:root {
  --color-text: #363b40;
  --color-heading: #16181a;
  --color-muted: #868e96;
  --color-border: #f1f3f5;
  --color-soft: #f8f9fa;
  --color-primary: #146bb7;
  --color-primary-dark: #0f4f88;
  --color-footer: #16181a;
  --bg: #ffffff;
  --bg-elevated: #ffffff;
  --bg-overlay: rgba(255, 255, 255, 0.92);
  --font-body: Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-heading: Catamaran, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --container: 1160px;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --color-text: #c8ccd1;
  --color-heading: #ecedef;
  --color-muted: #8a8f96;
  --color-border: #2a2d33;
  --color-soft: #1a1d23;
  --color-primary: #5fb0f0;
  --color-primary-dark: #4ea6ee;
  --color-footer: #08090b;
  --bg: #131519;
  --bg-elevated: #1c1f25;
  --bg-overlay: rgba(19, 21, 25, 0.92);
  color-scheme: dark;
}

/* === DARK MODE OVERRIDES === */
[data-theme="dark"] .mobile-navigation,
[data-theme="dark"] .search-panel {
  background: var(--bg-overlay);
  color: var(--color-text);
}
[data-theme="dark"] .search-field {
  background: var(--bg-elevated);
  color: var(--color-heading);
  border-color: var(--color-border);
}
[data-theme="dark"] .entry-content blockquote {
  background: #1f2228;
  color: var(--color-text);
}
[data-theme="dark"] .entry-content pre,
[data-theme="dark"] .entry-content code {
  background: #1a1d23;
  color: #e5e6e8;
}
[data-theme="dark"] .post-card,
[data-theme="dark"] .archive-page,
[data-theme="dark"] .post-single,
[data-theme="dark"] .about-card,
[data-theme="dark"] .guestbook-shell,
[data-theme="dark"] .message-item {
  background: transparent;
  color: var(--color-text);
}
[data-theme="dark"] .message-item {
  background: var(--bg-elevated);
  border-color: var(--color-border);
}
[data-theme="dark"] .message-form input,
[data-theme="dark"] .message-form textarea {
  background: var(--bg-elevated);
  color: var(--color-heading);
  border-color: var(--color-border);
}
[data-theme="dark"] .button,
[data-theme="dark"] .read-more {
  color: #fff;
}
[data-theme="dark"] .page-numbers {
  background: var(--bg-elevated);
  border-color: var(--color-border);
  color: var(--color-text);
}
[data-theme="dark"] .page-numbers.current {
  background: var(--color-primary);
  color: #fff;
}
[data-theme="dark"] .back-to-top {
  background: var(--bg-elevated);
  color: var(--color-text);
  border-color: var(--color-border);
}
[data-theme="dark"] .site-footer {
  background: #060708;
}

/* admin dark overrides */
[data-theme="dark"] .admin-shell {
  --stage-bg: #0e1014;
  --surface: #1a1d22;
  --surface-soft: #15171b;
  --line: #2a2d33;
  --line-strong: #3a3e44;
  --muted: #8a8f96;
  --admin-heading: #ecedef;
  --ink: #ecedef;
  --primary: #5fb0f0;
  --success: #4ade80;
  --warning: #fbbf24;
  --danger: #f87171;
  --shadow-card: 0 6px 24px rgba(0, 0, 0, 0.45);
}
[data-theme="dark"] .admin-login-card,
[data-theme="dark"] .admin-list,
[data-theme="dark"] .admin-editor,
[data-theme="dark"] .admin-plans,
[data-theme="dark"] .admin-calendar-shell,
[data-theme="dark"] .admin-calendar-dialog,
[data-theme="dark"] .admin-research-tree-wrap,
[data-theme="dark"] .admin-research-editor,
[data-theme="dark"] .admin-stat,
[data-theme="dark"] .admin-stats {
  background: var(--surface);
  color: var(--admin-heading);
}
[data-theme="dark"] .admin-field input,
[data-theme="dark"] .admin-field textarea,
[data-theme="dark"] .admin-field select,
[data-theme="dark"] .admin-content-area > textarea,
[data-theme="dark"] .admin-plan-input,
[data-theme="dark"] .admin-research-editor textarea,
[data-theme="dark"] .admin-ai-input {
  background: #14161a;
  color: var(--admin-heading);
  border-color: var(--line);
}
[data-theme="dark"] .admin-field input::placeholder,
[data-theme="dark"] .admin-field textarea::placeholder,
[data-theme="dark"] .admin-plan-input::placeholder,
[data-theme="dark"] .admin-ai-input::placeholder {
  color: var(--muted);
}
[data-theme="dark"] .admin-field textarea[readonly] {
  background: #1a1d22;
  color: var(--admin-heading);
}
[data-theme="dark"] .admin-plans-table thead th {
  background: linear-gradient(180deg, #1a1d22 0%, #16181c 100%);
  color: var(--muted);
}
[data-theme="dark"] .admin-plan-status-popup,
[data-theme="dark"] .admin-ai-popover,
[data-theme="dark"] .category-picker-popup,
[data-theme="dark"] .admin-calendar-view-switch,
[data-theme="dark"] .category-manager-dialog {
  background: var(--surface);
  border-color: var(--line);
  color: var(--admin-heading);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
}
[data-theme="dark"] .admin-calendar-grid,
[data-theme="dark"] .admin-calendar-allday,
[data-theme="dark"] .admin-calendar-days {
  background-color: var(--surface);
  border-color: var(--line);
  color: var(--admin-heading);
}
[data-theme="dark"] .admin-calendar-day,
[data-theme="dark"] .admin-calendar-cell,
[data-theme="dark"] .admin-calendar-month-cell {
  border-color: var(--line);
}
[data-theme="dark"] .admin-calendar-dialog-head {
  border-color: var(--line);
}
[data-theme="dark"] .admin-calendar-timezone,
[data-theme="dark"] .admin-calendar-time-label,
[data-theme="dark"] .admin-calendar-day small {
  color: var(--muted);
}
[data-theme="dark"] .admin-calendar-today,
[data-theme="dark"] .admin-calendar-icon,
[data-theme="dark"] .admin-calendar-view-switch button {
  color: var(--admin-heading);
  border-color: var(--line-strong);
}
[data-theme="dark"] .admin-ai-popover-head,
[data-theme="dark"] .admin-ai-form {
  background: var(--surface-soft);
  border-color: var(--line);
}
[data-theme="dark"] .admin-ai-message.is-assistant .admin-ai-bubble {
  background: #20242a;
  color: var(--admin-heading);
  border-color: var(--line);
}
[data-theme="dark"] .admin-button-ghost {
  background: transparent;
  color: var(--admin-heading);
  border-color: var(--line);
}
[data-theme="dark"] .admin-button-ghost:hover {
  background: var(--surface-soft);
}
[data-theme="dark"] .admin-plans-empty,
[data-theme="dark"] .admin-research-empty,
[data-theme="dark"] .admin-documents-empty,
[data-theme="dark"] .admin-plans-archive-wrap .admin-plan-row[data-status="done"] td,
[data-theme="dark"] .admin-plan-row[data-status="done"] td {
  background: rgba(46, 158, 68, 0.07);
}
[data-theme="dark"] .admin-editor-bar {
  background: rgba(26, 29, 34, 0.96);
  border-color: var(--line);
}
[data-theme="dark"] .admin-research-documents {
  background: #15171b;
  border-color: var(--line);
}
[data-theme="dark"] .admin-research-documents .admin-button-secondary {
  color: #fff;
}
[data-theme="dark"] .admin-research-documents .admin-button-secondary svg {
  color: #fff;
}
[data-theme="dark"] .category-picker-trigger {
  background: var(--surface);
  border-color: var(--line);
  color: var(--admin-heading);
}
[data-theme="dark"] .admin-content-overlay {
  background: rgba(20, 22, 26, 0.88);
  color: var(--admin-heading);
}

/* theme toggle button */
.theme-toggle {
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  color: var(--color-heading);
}
.theme-toggle svg {
  width: 20px;
  height: 20px;
  transition: transform 0.35s cubic-bezier(0.2, 0.9, 0.3, 1), opacity 0.2s ease;
}
.theme-toggle .icon-sun { display: block; }
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }
.theme-toggle:hover svg { transform: rotate(15deg); }

/* admin rail action variant */
.admin-rail-action.theme-toggle {
  color: var(--rail-fg);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  transition: background 0.25s ease, color 0.25s ease;
  line-height: 1.8;
  letter-spacing: 0;
  overflow-x: hidden;
}

[hidden] {
  display: none !important;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

a:hover,
a:focus {
  color: var(--color-primary);
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 18px;
  color: var(--color-heading);
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2.25rem;
}

h3 {
  font-size: 1.75rem;
}

p {
  margin: 0 0 10px;
}

.screen-reader-text,
.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}

.skip-link:focus {
  top: 12px;
  left: 12px;
  z-index: 10000;
  width: auto;
  height: auto;
  padding: 12px 16px;
  clip: auto;
  background: var(--bg-elevated);
  color: var(--color-primary);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

.site {
  min-height: 100vh;
  background: var(--bg);
  display: flex;
  flex-direction: column;
}

.site-container {
  width: min(calc(100% - 80px), var(--container));
  margin-right: auto;
  margin-left: auto;
}

.header-top {
  border-bottom: 1px solid var(--color-border);
  background: var(--bg-elevated);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.top-navigation ul,
.main-navigation ul,
.mobile-navigation ul {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.top-navigation a {
  display: block;
  padding: 17px 18px;
  color: #4b5560;
  font-size: 14px;
}

.main-navigation a {
  display: block;
  padding: 19px 22px;
  color: #30363c;
  font-size: 14px;
  font-weight: 500;
}

.menu-item.is-current > a,
.top-navigation a:hover,
.main-navigation a:hover {
  color: var(--color-primary);
}

.header-mark {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 64px;
  justify-content: flex-end;
}

.header-mark span {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #adb5bd;
}

.header-main {
  background: var(--bg-elevated);
}

.branding-container {
  padding: 56px 0 42px;
  text-align: center;
}

.site-title {
  margin: 0;
  color: var(--color-heading);
  font-family: var(--font-heading);
  font-size: 2.45rem;
  font-weight: 700;
  line-height: 1.2;
}

.site-title a {
  color: inherit;
}

.site-description {
  margin-top: 10px;
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 15px;
}

.header-menu {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.header-menu .header-row {
  justify-content: center;
  position: relative;
}

.header-actions {
  position: absolute;
  right: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-button {
  position: relative;
  display: inline-grid;
  place-items: center;
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  color: var(--color-heading);
}

.search-toggle::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 12px;
  width: 15px;
  height: 15px;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.search-toggle::after {
  content: "";
  position: absolute;
  top: 26px;
  left: 26px;
  width: 9px;
  height: 2px;
  background: currentColor;
  transform: rotate(45deg);
}

.menu-toggle {
  display: none;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle span {
  margin: 5px 0;
}

.menu-toggle.is-open::before {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-open span {
  opacity: 0;
}

.menu-toggle.is-open::after {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-navigation {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
  width: min(320px, calc(100% - 70px));
  height: 100vh;
  padding: 40px 0;
  background: #fff;
  box-shadow: 20px 0 50px rgba(0, 0, 0, 0.12);
  transform: translateX(-110%);
  transition: transform 0.22s ease;
}

.mobile-navigation.is-open {
  transform: translateX(0);
}

.mobile-navigation ul {
  display: block;
}

.mobile-navigation a {
  display: block;
  padding: 15px 32px;
  border-left: 3px solid transparent;
  color: var(--color-heading);
  font-weight: 500;
}

.mobile-navigation .is-current a {
  border-left-color: var(--color-primary);
  color: var(--color-primary);
}

.site-content {
  padding: 72px 0 90px;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.22s ease, transform 0.22s ease;
  flex: 1 0 auto;
}

.page-is-leaving .site-content {
  opacity: 0;
  transform: translateY(14px);
}

.page-is-entering .site-content {
  animation: pageFadeIn 0.3s ease both;
}

@keyframes pageFadeIn {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-content {
    transition: none;
  }

  .page-is-entering .site-content {
    animation: none;
  }
}

.site-main {
  max-width: 840px;
  margin: 0 auto;
  outline: none;
}

.post-card {
  margin-bottom: 60px;
}

.entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 15px;
  color: var(--color-muted);
  font-size: 13px;
}

.cat-links a {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  background: var(--color-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
}

.cat-links a:hover,
.cat-links a:focus {
  background: var(--color-primary-dark);
  color: #fff;
}

.posted-on {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.posted-on::before {
  content: "";
  width: 10px;
  height: 1px;
  background: var(--color-muted);
}

.reading-time {
  color: var(--color-muted);
}

.entry-title {
  margin-bottom: 15px;
}

.post-card .entry-title {
  font-size: 2.15rem;
}

.entry-title a {
  color: var(--color-heading);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.entry-title a:hover {
  color: var(--color-primary);
}

.entry-content {
  color: var(--color-text);
  line-height: 1.85;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.entry-content p {
  margin-bottom: 18px;
  max-width: 100%;
}

.entry-content blockquote {
  margin: 28px 0;
  padding: 24px 34px;
  background: #fff9f5;
  color: #42484e;
  text-align: center;
}

.entry-content h2,
.entry-content h3 {
  margin-top: 36px;
}

.media-block {
  margin: 30px 0;
}

.media-block img,
.media-block video {
  width: 100%;
  border-radius: 8px;
  background: #f1f3f5;
}

.media-block figcaption {
  margin-top: 8px;
  color: var(--color-muted);
  font-size: 13px;
  text-align: center;
}

.article-font {
  margin: 24px 0;
}

.article-font--serif {
  font-family: Georgia, "Times New Roman", "Songti SC", serif;
}

.article-font--sans {
  font-family: var(--font-body);
}

.article-font--mono {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.article-font--kai {
  font-family: "Kaiti SC", "STKaiti", "KaiTi", serif;
}

.frontend-embed {
  width: 100%;
  min-height: 360px;
  margin: 30px 0;
  border: 1px solid #e0e6ed;
  border-radius: 8px;
  background: #fff;
}

.entry-footer {
  margin-top: 22px;
}

.read-more {
  position: relative;
  display: inline-flex;
  align-items: center;
  color: var(--color-heading);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.read-more::before {
  content: "";
  width: 28px;
  height: 2px;
  margin-right: 12px;
  background: var(--color-primary);
  transition: width 0.18s ease;
}

.read-more:hover::before {
  width: 42px;
}

.pagination {
  margin-top: 34px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.page-numbers {
  display: inline-grid;
  min-width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 14px;
}

.page-numbers.current,
.page-numbers:hover {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
}

.page-header {
  margin-bottom: 42px;
}

.page-header h1 {
  margin-bottom: 0;
}

.eyebrow {
  margin-bottom: 8px;
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.archive-year {
  margin-bottom: 44px;
}

.archive-year h2 {
  font-size: 1.5rem;
}

.archive-year ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.archive-year li {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) 110px;
  gap: 18px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}

.archive-year time,
.archive-year span {
  color: var(--color-muted);
  font-size: 14px;
}

.post-single .entry-title {
  font-size: 2.5rem;
}

.post-single .entry-content {
  font-size: 17px;
}

.guestbook-shell {
  display: grid;
  gap: 42px;
}

.message-form,
.admin-login-form,
.admin-editor {
  display: grid;
  gap: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

label span {
  display: block;
  margin-bottom: 7px;
  color: var(--color-heading);
  font-size: 13px;
  font-weight: 700;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid #dee2e6;
  border-radius: 6px;
  background: #fff;
  color: var(--color-heading);
  padding: 12px 13px;
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(20, 107, 183, 0.12);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 44px;
  border: 1px solid var(--color-primary);
  border-radius: 6px;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 18px;
  font-weight: 700;
}

.button:hover,
.button:focus {
  background: var(--color-primary-dark);
  color: #fff;
}

.button-secondary {
  border-color: #dee2e6;
  background: #fff;
  color: var(--color-heading);
}

.button-secondary:hover,
.button-secondary:focus {
  border-color: var(--color-primary);
  background: #fff;
  color: var(--color-primary);
}

.button-danger {
  border-color: #c2410c;
  background: #c2410c;
}

.form-status,
.security-note,
.empty-state {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.message-list {
  display: grid;
  gap: 18px;
}

.message-item {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
}

.message-item header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 8px;
}

.message-item time {
  color: var(--color-muted);
  font-size: 13px;
}

.about-card {
  max-width: 760px;
}

.not-found {
  text-align: center;
}

.search-panel {
  position: fixed;
  inset: 0 10%;
  z-index: 2000;
  margin: auto 0;
  height: 100vh;
  padding: 0 40px;
  background: #fff;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  transform: scale(0.96);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}

.search-panel.is-open {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.search-panel .site-container {
  padding-top: 38vh;
}

.search-form {
  display: grid;
  gap: 20px;
}

.search-form input {
  border: 0;
  border-bottom: 2px solid var(--color-heading);
  border-radius: 0;
  padding: 10px 0;
  font-size: 20px;
  font-style: italic;
}

.search-form input:focus {
  box-shadow: none;
}

.search-description {
  margin-top: 22px;
  color: var(--color-muted);
  font-size: 14px;
}

.search-close {
  position: absolute;
  top: 60px;
  right: 60px;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
}

.search-close::before,
.search-close::after {
  content: "";
  position: absolute;
  top: 21px;
  left: 6px;
  width: 32px;
  height: 3px;
  background: var(--color-heading);
}

.search-close::before {
  transform: rotate(45deg);
}

.search-close::after {
  transform: rotate(-45deg);
}

.back-to-top {
  position: fixed;
  right: -22px;
  bottom: 100px;
  z-index: 900;
  border: 0;
  background: transparent;
  color: var(--color-heading);
  font-size: 14px;
  opacity: 0;
  transform: rotate(270deg) translateX(-24px);
  transition: opacity 0.22s ease, transform 0.22s ease;
  pointer-events: none;
}

.back-to-top.is-visible {
  opacity: 1;
  transform: rotate(270deg) translateX(0);
  pointer-events: auto;
}

.site-footer {
  background: var(--color-footer);
  color: #bdbdbd;
  flex-shrink: 0;
}

.footer-bottom {
  padding: 25px 0;
  border-top: 1px solid #363b40;
}

.footer-bottom p {
  margin: 0;
  font-size: 14px;
}

.footer-bottom a {
  color: #fff;
}

/* ==========  ADMIN  ========== */

.admin-shell {
  --rail-bg: #0d1117;
  --rail-fg: #e6edf3;
  --rail-muted: rgba(230, 237, 243, 0.55);
  --rail-line: rgba(255, 255, 255, 0.07);
  --rail-active: rgba(255, 255, 255, 0.08);
  --stage-bg: #f6f7f9;
  --surface: #ffffff;
  --surface-soft: #fafbfc;
  --line: rgba(15, 23, 42, 0.08);
  --line-strong: rgba(15, 23, 42, 0.14);
  --ink: #0f172a;
  --muted: #64748b;
  --primary: #2563eb;
  --success: #16a34a;
  --warning: #b45309;
  --danger: #dc2626;
  --shadow-card: 0 1px 0 rgba(15, 23, 42, 0.04);
  --mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", "Menlo", Consolas, monospace;
  min-height: 100vh;
  margin: 0;
  background: var(--stage-bg);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.admin-shell h1,
.admin-shell h2 {
  font-family: var(--font-body);
  letter-spacing: -0.01em;
}

.admin-app {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  min-height: 100vh;
  outline: none;
}

body.admin-is-login .admin-rail {
  display: none;
}

body.admin-is-login .admin-app {
  grid-template-columns: 1fr;
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(37, 99, 235, 0.06), transparent 60%),
    linear-gradient(180deg, #f8fafc, #eef2f7);
}

body.admin-is-login .admin-stage {
  display: grid;
  place-items: center;
  padding: 40px 24px;
}

/* RAIL */

.admin-rail {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
  width: 240px;
  height: 100vh;
  padding: 22px 16px;
  background: var(--rail-bg);
  color: var(--rail-fg);
  border-right: 1px solid var(--rail-line);
}

.admin-rail-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 8px;
  color: var(--rail-fg);
  text-decoration: none;
}

.admin-rail-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.admin-rail-wordmark {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--rail-fg);
}

.admin-rail-text strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
}

.admin-rail-text small {
  display: block;
  margin-top: 2px;
  color: var(--rail-muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.admin-rail-nav {
  display: grid;
  gap: 2px;
  padding-top: 6px;
  border-top: 1px solid var(--rail-line);
}

.admin-rail-link {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 36px;
  padding: 0 10px;
  border-radius: 8px;
  color: var(--rail-muted);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.14s ease, color 0.14s ease;
  background: transparent;
  border: 0;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
}

.admin-rail-link svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.85;
}

.admin-rail-link:hover,
.admin-rail-link:focus {
  background: var(--rail-active);
  color: var(--rail-fg);
}

.admin-rail-link.is-active {
  background: var(--rail-active);
  color: var(--rail-fg);
}

.admin-rail-foot {
  margin-top: auto;
  display: grid;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--rail-line);
}

.admin-rail-env {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px;
}

.admin-rail-env-dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.16);
}

.admin-rail-env strong {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--rail-fg);
  line-height: 1.2;
}

.admin-rail-env small {
  display: block;
  margin-top: 2px;
  color: var(--rail-muted);
  font-size: 11px;
  font-family: var(--mono);
}

.admin-rail-actions {
  display: grid;
  gap: 2px;
}

.admin-rail-action {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 32px;
  padding: 0 10px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--rail-muted);
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.14s ease, color 0.14s ease;
}

.admin-rail-action:hover,
.admin-rail-action:focus {
  background: var(--rail-active);
  color: var(--rail-fg);
}

.admin-rail-action svg {
  width: 14px;
  height: 14px;
  opacity: 0.75;
}

/* STAGE */

.admin-stage {
  min-width: 0;
  padding: 28px 32px 56px;
}

/* LOGIN */

.admin-login {
  width: 100%;
  max-width: 380px;
}

.admin-login-card {
  display: grid;
  gap: 16px;
  padding: 36px 32px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow:
    0 24px 60px -28px rgba(15, 23, 42, 0.22),
    0 1px 0 rgba(15, 23, 42, 0.04);
}

.admin-login-mark {
  width: 42px;
  height: 42px;
  margin: 0 auto 4px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  color: #fff;
  font-weight: 700;
  font-size: 17px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.admin-login-card h1 {
  margin: 0;
  text-align: center;
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
}

.admin-login-card > p {
  margin: 0;
  text-align: center;
  font-size: 13.5px;
  color: var(--muted);
}

.admin-login-form {
  display: grid;
  gap: 12px;
  margin-top: 8px;
}

.admin-callout {
  display: grid;
  gap: 4px;
  margin-top: 4px;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 12.5px;
  line-height: 1.55;
}

.admin-callout strong {
  font-size: 13px;
  font-weight: 600;
}

.admin-callout-warning {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
}

.admin-callout code {
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(146, 64, 14, 0.1);
  font-family: var(--mono);
  font-size: 11.5px;
}

/* PANEL */

.admin-panel {
  display: grid;
  gap: 24px;
}

.admin-stage-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

.admin-eyebrow {
  margin: 0 0 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.admin-stage-header h1 {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
}

.admin-stage-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* STATS */

.admin-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.admin-stat {
  display: grid;
  gap: 8px;
  padding: 18px 22px;
  border-right: 1px solid var(--line);
}

.admin-stat:last-child {
  border-right: 0;
}

.admin-stat-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.admin-stat-value {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1.05;
  font-feature-settings: "tnum";
}

/* BOARD */

.admin-board {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.admin-list {
  position: sticky;
  top: 24px;
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 48px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.admin-list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.admin-list-head h2 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}

.admin-post-list {
  flex: 1;
  display: grid;
  gap: 2px;
  overflow-y: auto;
  padding: 6px;
}

.admin-post-button {
  width: 100%;
  display: grid;
  gap: 6px;
  padding: 10px 12px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: inherit;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.12s ease;
}

.admin-post-button span {
  display: block;
}

.admin-post-button:hover,
.admin-post-button:focus {
  background: #f4f6fa;
}

.admin-post-button.is-active {
  background: rgba(37, 99, 235, 0.07);
}

.admin-post-button.is-active .admin-post-title {
  color: var(--primary);
}

.admin-post-title {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.admin-post-meta {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.admin-post-meta small {
  font-size: 11.5px;
  color: var(--muted);
}

.admin-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-style: normal;
  font-weight: 500;
  color: var(--muted);
  text-transform: lowercase;
}

.admin-status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.admin-status-published {
  color: var(--success);
}

.admin-status-draft {
  color: var(--warning);
}

/* EDITOR */

.admin-editor {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.admin-editor-body {
  display: grid;
  gap: 18px;
  padding: 24px 26px;
}

.admin-editor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 160px;
  gap: 14px;
}

.admin-field {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.admin-field-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.admin-field input,
.admin-field textarea,
.admin-field select {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font-family: inherit;
  font-size: 14px;
  line-height: 1.5;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}

.admin-field input::placeholder,
.admin-field textarea::placeholder {
  color: #94a3b8;
}

.admin-field input:focus,
.admin-field textarea:focus,
.admin-field select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
  outline: none;
}

.admin-field-lg input {
  padding: 12px 14px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* CATEGORY PICKER */

.category-picker {
  position: relative;
}

.category-picker-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font-family: inherit;
  font-size: 14px;
  line-height: 1.5;
  cursor: pointer;
  transition: border-color 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}

.category-picker-trigger:hover {
  background: var(--surface-soft, #f8fafc);
}

.category-picker.is-open .category-picker-trigger,
.category-picker-trigger:focus-visible {
  border-color: var(--primary, #2563eb);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
  outline: none;
}

.category-picker-value {
  flex: 1;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.category-picker-value.is-placeholder {
  color: #94a3b8;
  font-weight: 400;
}

.category-picker[data-empty="false"] .category-picker-value {
  font-weight: 600;
}

.category-picker-caret {
  width: 12px;
  height: 12px;
  color: #94a3b8;
  transition: transform 0.16s ease, color 0.12s ease;
}

.category-picker.is-open .category-picker-caret {
  transform: rotate(180deg);
  color: var(--ink);
}

.category-picker-popup {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  flex-direction: column;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.14);
  animation: category-picker-pop 0.14s ease;
}

@keyframes category-picker-pop {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.category-picker-search {
  width: 100%;
  padding: 8px 10px;
  margin-bottom: 6px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: var(--surface-soft, #f1f5f9);
  font-family: inherit;
  font-size: 13px;
  color: var(--ink);
  transition: background 0.12s ease, border-color 0.12s ease;
}

.category-picker-search::placeholder {
  color: #94a3b8;
}

.category-picker-search:focus {
  background: #fff;
  border-color: var(--primary, #2563eb);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
  outline: none;
}

.category-picker-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 220px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.category-picker-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 13.5px;
  color: var(--ink);
  cursor: pointer;
  transition: background 0.1s ease, color 0.1s ease;
}

.category-picker-item:hover {
  background: var(--surface-soft, #f1f5f9);
}

.category-picker-item.is-active {
  background: rgba(37, 99, 235, 0.08);
  color: var(--primary, #2563eb);
  font-weight: 600;
}

.category-picker-item-count {
  flex-shrink: 0;
  min-width: 22px;
  padding: 0 6px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: #e2e8f0;
  color: #475569;
  font-size: 11px;
  font-weight: 600;
}

.category-picker-item.is-active .category-picker-item-count {
  background: rgba(37, 99, 235, 0.18);
  color: var(--primary, #2563eb);
}

.category-picker-empty {
  padding: 8px 10px;
  margin-top: 2px;
  border-top: 1px dashed var(--line);
  color: var(--muted);
  font-size: 12.5px;
}

.category-picker-empty span {
  color: var(--ink);
  font-weight: 600;
}

/* FIELD HEAD ROW (label + inline action) */

.admin-field-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 18px;
}

.admin-field-action {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0 6px;
  height: 20px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: color 0.12s ease, background 0.12s ease;
}

.admin-field-action svg {
  width: 11px;
  height: 11px;
  opacity: 0.85;
}

.admin-field-action:hover,
.admin-field-action:focus {
  color: var(--ink);
  background: var(--surface-soft, #f1f5f9);
  outline: none;
}

/* STATUS PICKER (reuses category-picker chrome) */

.status-picker {
  position: relative;
}

.status-picker .category-picker-trigger {
  font-weight: 600;
}

.status-picker-popup {
  padding: 6px;
}

.status-picker-popup .category-picker-item {
  gap: 10px;
  font-weight: 500;
}

.status-picker[data-value="published"] .js-status-picker-value {
  color: var(--ink);
}

.status-picker[data-value="draft"] .js-status-picker-value {
  color: var(--muted);
}

.status-picker-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #94a3b8;
  display: inline-block;
  flex-shrink: 0;
}

.status-picker[data-value="published"] .category-picker-trigger > .status-picker-dot {
  background: #16a34a;
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.18);
}

.status-picker[data-value="draft"] .category-picker-trigger > .status-picker-dot {
  background: #94a3b8;
  box-shadow: 0 0 0 3px rgba(148, 163, 184, 0.18);
}

.status-picker-dot.is-published {
  background: #16a34a;
}

.status-picker-dot.is-draft {
  background: #94a3b8;
}

/* INLINE MEDIA TOOLBAR — GitHub-style icon-only */

.admin-content-head {
  margin-bottom: 6px;
}

.admin-content-tools {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px;
  border-radius: 7px;
}

.admin-content-tool {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  padding: 0;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease;
}

.admin-content-tool svg {
  width: 15px;
  height: 15px;
  display: block;
}

.admin-content-tool:hover,
.admin-content-tool:focus {
  background: var(--surface-soft, #f1f5f9);
  color: var(--ink);
  outline: none;
}

.admin-content-tool:active {
  background: #e2e8f0;
}

.admin-content-tool.is-busy {
  opacity: 0.45;
  pointer-events: none;
}

.admin-content-area {
  position: relative;
}

.admin-content-area > textarea {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
}

.admin-content-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 2px dashed var(--primary, #2563eb);
  border-radius: 8px;
  background: rgba(37, 99, 235, 0.06);
  color: var(--primary, #2563eb);
  font-size: 14px;
  font-weight: 600;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.12s ease, visibility 0.12s ease;
}

.admin-content-overlay svg {
  width: 24px;
  height: 24px;
}

.admin-content-area.is-dragover .admin-content-overlay {
  opacity: 1;
  visibility: visible;
}

.admin-content-area.is-dragover > textarea {
  border-color: var(--primary, #2563eb);
}

.admin-content-status {
  margin: 6px 2px 0;
  min-height: 16px;
  font-size: 12px;
}

.admin-content-status.is-error {
  color: var(--danger, #dc2626);
}

/* AUTOSAVE BANNER + INDICATOR */

.admin-autosave-banner[hidden] {
  display: none;
}

.admin-autosave-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  margin-bottom: 4px;
  border: 1px solid #fde68a;
  border-radius: 10px;
  background: linear-gradient(135deg, #fffbeb, #fef3c7);
  color: #78350f;
}

.admin-autosave-banner-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: rgba(217, 119, 6, 0.18);
  color: #b45309;
}

.admin-autosave-banner-icon svg {
  width: 14px;
  height: 14px;
}

.admin-autosave-banner-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.admin-autosave-banner-text strong {
  font-size: 13px;
  font-weight: 700;
  color: #78350f;
}

.admin-autosave-banner-text span {
  font-size: 11.5px;
  color: #92400e;
}

.admin-autosave-banner-actions {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.admin-autosave-action {
  height: 26px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: #b45309;
  color: #fff;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

.admin-autosave-action:hover,
.admin-autosave-action:focus {
  background: #92400e;
  outline: none;
}

.admin-autosave-action.is-ghost {
  background: transparent;
  border-color: rgba(120, 53, 15, 0.25);
  color: #78350f;
}

.admin-autosave-action.is-ghost:hover,
.admin-autosave-action.is-ghost:focus {
  background: rgba(120, 53, 15, 0.08);
  color: #78350f;
}

.admin-editor-bar-status {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}

.admin-autosave-indicator {
  margin: 0;
  font-size: 11.5px;
  color: var(--muted);
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

/* CATEGORY MANAGER MODAL */

.category-manager[hidden] {
  display: none;
}

.category-manager {
  position: fixed;
  inset: 0;
  z-index: 3100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.category-manager-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.42);
  backdrop-filter: blur(4px);
  cursor: pointer;
}

.category-manager-dialog {
  position: relative;
  width: min(440px, 100%);
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  padding: 18px 20px 16px;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.22);
}

.category-manager-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.category-manager-head h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.category-manager-x {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease;
}

.category-manager-x:hover,
.category-manager-x:focus {
  background: var(--surface-soft, #f1f5f9);
  color: var(--ink);
  outline: none;
}

.category-manager-x svg {
  width: 14px;
  height: 14px;
}

.category-manager-hint {
  margin: 0 0 12px;
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.5;
}

.category-manager-list {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.category-manager-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--surface-soft, #f8fafc);
}

.category-manager-item-name {
  flex: 1;
  padding: 6px 8px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  font-family: inherit;
  font-size: 13.5px;
  color: var(--ink);
  font-weight: 600;
  transition: background 0.12s ease, border-color 0.12s ease;
}

.category-manager-item-name:focus,
.category-manager-item-name:hover {
  background: #fff;
  border-color: var(--line);
  outline: none;
}

.category-manager-item-name:focus {
  border-color: var(--primary, #2563eb);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.category-manager-count {
  flex-shrink: 0;
  font-size: 11.5px;
  color: var(--muted);
  white-space: nowrap;
}

.category-manager-action {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease;
}

.category-manager-action svg {
  width: 13px;
  height: 13px;
}

.category-manager-action:hover,
.category-manager-action:focus {
  background: #fff;
  color: var(--ink);
  outline: none;
}

.category-manager-action.is-danger:hover,
.category-manager-action.is-danger:focus {
  background: #fef2f2;
  color: var(--danger, #dc2626);
}

.admin-content-status,
.category-manager .form-status {
  font-size: 12px;
  color: var(--muted);
}

.admin-field textarea {
  resize: vertical;
}

.admin-field textarea[readonly] {
  background: var(--surface-soft, #f4f5f7);
  color: var(--admin-heading, #16181a);
  cursor: default;
  border-style: dashed;
}

.admin-field textarea[readonly]:focus {
  box-shadow: none;
  border-color: var(--line);
}

.admin-field-content textarea {
  min-height: 320px;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.7;
}

.admin-field-draft {
  margin-top: 22px;
  padding: 16px 18px 18px;
  background: #fffaef;
  border: 1px dashed #d6b85a;
  border-radius: 10px;
}

.admin-field-draft .admin-content-head {
  margin-bottom: 10px;
}

.admin-field-draft .admin-field-label {
  color: #8a6b14;
  letter-spacing: 0.02em;
}

.admin-field-draft .admin-content-tool {
  color: #8a6b14;
}

.admin-field-draft .admin-content-tool:hover,
.admin-field-draft .admin-content-tool:focus {
  color: #6f5511;
  background: rgba(201, 167, 58, 0.16);
}

.admin-field-draft .admin-content-area > textarea {
  min-height: 200px;
  background: #fffefa;
  border-color: #ecdfa9;
  color: var(--admin-heading, #2a2a2a);
}

.admin-field-draft .admin-content-area > textarea:focus {
  border-color: #c9a73a;
  box-shadow: 0 0 0 3px rgba(201, 167, 58, 0.18);
  background: #fff;
}

.admin-field-draft .admin-content-area.is-dragover > textarea {
  border-color: #c9a73a;
}

.admin-field-draft .admin-content-area.is-dragover .admin-content-overlay {
  background: rgba(255, 246, 200, 0.92);
  color: #6f5511;
}

/* TOOLS + GUIDE */

.admin-tools,
.admin-guide {
  display: grid;
  gap: 12px;
  padding: 16px 18px;
  border: 1px dashed var(--line-strong);
  border-radius: 10px;
  background: var(--surface-soft);
}

.admin-tools-head,
.admin-guide-head {
  display: grid;
  gap: 4px;
}

.admin-tools-head strong,
.admin-guide-head strong {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}

.admin-tools-head span,
.admin-guide-head span {
  font-size: 12px;
  color: var(--muted);
}

.admin-tools-file {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font-family: inherit;
  font-size: 13px;
}

.admin-guide ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.85;
}

.admin-guide li + li {
  margin-top: 4px;
}

.admin-guide code,
.admin-shell code {
  padding: 1px 6px;
  border-radius: 4px;
  background: #eef2f7;
  color: #1e293b;
  font-family: var(--mono);
  font-size: 12px;
}

/* EDITOR BAR */

.admin-editor-bar {
  position: sticky;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 22px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
}

.admin-editor-bar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-shell .form-status {
  margin: 0;
  color: var(--muted);
  font-size: 12.5px;
}

/* BUTTONS */

.admin-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 36px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--ink);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.14s ease, border-color 0.14s ease, color 0.14s ease, transform 0.06s ease;
}

.admin-button:active {
  transform: translateY(1px);
}

.admin-button svg {
  width: 14px;
  height: 14px;
}

.admin-file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  opacity: 0;
  pointer-events: none;
}

.admin-button-primary {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

.admin-button-primary:hover,
.admin-button-primary:focus {
  background: #1e293b;
  color: #fff;
}

[data-theme="dark"] .admin-button-primary {
  background: #e8eaed;
  border-color: #e8eaed;
  color: #14161a;
}

[data-theme="dark"] .admin-button-primary:hover,
[data-theme="dark"] .admin-button-primary:focus {
  background: #ffffff;
  border-color: #ffffff;
  color: #14161a;
}

.admin-button-secondary {
  background: var(--surface);
  border-color: rgba(15, 23, 42, 0.2);
  color: var(--ink);
}

[data-theme="dark"] .admin-button-secondary {
  border-color: rgba(255, 255, 255, 0.18);
}

.admin-button-secondary:hover,
.admin-button-secondary:focus {
  background: var(--surface-soft);
  color: var(--ink);
}

.admin-button-ghost-danger {
  background: transparent;
  border-color: transparent;
  color: var(--danger);
}

.admin-button-ghost-danger:hover,
.admin-button-ghost-danger:focus {
  background: #fef2f2;
  color: var(--danger);
}

.admin-button-block {
  width: 100%;
  height: 42px;
  font-size: 14px;
}

/* PLANS */

.admin-plans {
  --status-todo: #6c757d;
  --status-todo-soft: #eef0f2;
  --status-todo-strong: #495057;
  --status-doing: #d18b1d;
  --status-doing-soft: #fff4dc;
  --status-doing-strong: #8c5d10;
  --status-done: #2f9e44;
  --status-done-soft: #e6f4ea;
  --status-done-strong: #1f7a2e;
  --status-overdue: #d6336c;
  --status-overdue-soft: #fdecf3;

  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
  padding: 20px 22px 22px;
}

.admin-plans-summary {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.admin-plans-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px 7px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 12.5px;
  font-weight: 500;
  background: var(--status-todo-soft);
  color: var(--status-todo-strong);
}

.admin-plans-pill[data-status="doing"] {
  background: var(--status-doing-soft);
  color: var(--status-doing-strong);
}

.admin-plans-pill[data-status="done"] {
  background: var(--status-done-soft);
  color: var(--status-done-strong);
}

.admin-plans-pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--status-todo);
}

.admin-plans-pill[data-status="doing"] .admin-plans-pill-dot { background: var(--status-doing); }
.admin-plans-pill[data-status="done"] .admin-plans-pill-dot { background: var(--status-done); }

.admin-plans-pill-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  padding: 0 6px;
  height: 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.admin-plans-table-wrap {
  overflow-x: auto;
  border-radius: 10px;
  border: 1px solid var(--line);
}

.admin-plans-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  table-layout: fixed;
  min-width: 760px;
}

.admin-plans-table thead th {
  text-align: left;
  padding: 12px 16px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #fbfcfd 0%, #f6f7f9 100%);
}

.admin-plans-col-title { width: 32%; }
.admin-plans-col-status { width: 14%; }
.admin-plans-col-due { width: 18%; }
.admin-plans-col-notes { width: 26%; }
.admin-plans-col-action { width: 10%; text-align: right; }

.admin-plans-table tbody tr {
  position: relative;
  transition: background 0.14s ease;
}

.admin-plans-table tbody tr:not(:last-child) td {
  border-bottom: 1px solid var(--line);
}

.admin-plans-table tbody td {
  padding: 10px 14px;
  vertical-align: middle;
  position: relative;
}

.admin-plans-table tbody td:first-child {
  border-left: 3px solid var(--status-todo);
}

.admin-plan-row[data-status="doing"] td:first-child { border-left-color: var(--status-doing); }
.admin-plan-row[data-status="done"] td:first-child { border-left-color: var(--status-done); }

.admin-plan-row[data-status="done"] td {
  background: rgba(46, 158, 68, 0.04);
}

.admin-plan-row[data-status="done"] .admin-plan-title {
  color: #8a939c;
  text-decoration: line-through;
}

.admin-plan-row[data-status="doing"] td {
  background: rgba(209, 139, 29, 0.04);
}

.admin-plan-row[data-due="red"] td {
  background: rgba(214, 51, 108, 0.05);
}

.admin-plan-row[data-due="yellow"] td {
  background: rgba(209, 139, 29, 0.04);
}

.admin-plan-row:hover td {
  background: rgba(20, 107, 183, 0.04);
}

.admin-plan-input {
  width: 100%;
  height: 34px;
  padding: 0 10px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  font: inherit;
  color: var(--admin-heading, #16181a);
  transition: border-color 0.14s ease, background 0.14s ease, box-shadow 0.14s ease;
}

.admin-plan-title {
  font-weight: 500;
}

.admin-plan-input:hover {
  background: rgba(0, 0, 0, 0.025);
}

.admin-plan-input:focus {
  outline: none;
  border-color: #c4d4e5;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(20, 107, 183, 0.12);
}

.admin-plan-status-picker {
  position: relative;
  display: inline-block;
}

.admin-plan-status-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 9px 5px 10px;
  border-radius: 999px;
  background: var(--status-todo-soft);
  color: var(--status-todo-strong);
  font: inherit;
  font-weight: 500;
  font-size: 12.5px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.14s ease, border-color 0.14s ease, box-shadow 0.14s ease;
}

.admin-plan-status-chip:hover {
  border-color: rgba(0, 0, 0, 0.08);
}

.admin-plan-status-picker.is-open .admin-plan-status-chip {
  box-shadow: 0 0 0 3px rgba(20, 107, 183, 0.12);
  border-color: rgba(0, 0, 0, 0.08);
}

.admin-plan-status-chip[data-status="doing"] {
  background: var(--status-doing-soft);
  color: var(--status-doing-strong);
}

.admin-plan-status-chip[data-status="done"] {
  background: var(--status-done-soft);
  color: var(--status-done-strong);
}

.admin-plan-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--status-todo);
  flex-shrink: 0;
}

.admin-plan-status-chip[data-status="doing"] .admin-plan-status-dot { background: var(--status-doing); }
.admin-plan-status-chip[data-status="done"] .admin-plan-status-dot { background: var(--status-done); }

.admin-plan-status-caret {
  width: 10px;
  height: 10px;
  opacity: 0.65;
  transition: transform 0.15s ease;
}

.admin-plan-status-picker.is-open .admin-plan-status-caret {
  transform: rotate(180deg);
}

.admin-plan-status-popup {
  position: fixed;
  top: 0;
  left: 0;
  min-width: 132px;
  margin: 0;
  padding: 4px;
  list-style: none;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.12);
  z-index: 9999;
}

.admin-plan-status-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  font-size: 13px;
  color: var(--admin-heading, #16181a);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.12s ease;
}

.admin-plan-status-option:hover,
.admin-plan-status-option:focus {
  background: rgba(20, 107, 183, 0.06);
  outline: none;
}

.admin-plan-status-option.is-active {
  background: rgba(20, 107, 183, 0.08);
  color: var(--color-primary);
  font-weight: 500;
}

.admin-plan-status-option .admin-plan-status-dot[data-status="todo"] { background: var(--status-todo); }
.admin-plan-status-option .admin-plan-status-dot[data-status="doing"] { background: var(--status-doing); }
.admin-plan-status-option .admin-plan-status-dot[data-status="done"] { background: var(--status-done); }

.admin-plan-date {
  font-variant-numeric: tabular-nums;
}

.admin-plan-row[data-due="red"] .admin-plan-date {
  color: var(--status-overdue);
  font-weight: 600;
}

.admin-plan-countdown {
  display: inline-block;
  margin-top: 6px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.admin-plan-countdown[data-tier="red"] {
  background: var(--status-overdue-soft);
  color: var(--status-overdue);
  animation: countdown-pulse 1.8s ease-in-out infinite;
}

.admin-plan-countdown[data-tier="yellow"] {
  background: var(--status-doing-soft);
  color: var(--status-doing-strong);
}

.admin-plan-countdown[data-tier="green"] {
  background: var(--status-done-soft);
  color: var(--status-done-strong);
}

@keyframes countdown-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(214, 51, 108, 0); }
  50% { box-shadow: 0 0 0 4px rgba(214, 51, 108, 0.12); }
}

.admin-plans-archive {
  margin-top: 18px;
  border-top: 1px dashed var(--line);
  padding-top: 14px;
}

.admin-plans-archive[hidden] {
  display: none;
}

.admin-plans-archive-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 8px;
  list-style: none;
  cursor: pointer;
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  user-select: none;
  transition: background 0.14s ease, color 0.14s ease;
}

.admin-plans-archive-toggle::-webkit-details-marker {
  display: none;
}

.admin-plans-archive-toggle:hover {
  background: var(--surface-soft, #f4f5f7);
  color: var(--admin-heading, #16181a);
}

.admin-plans-archive-caret {
  width: 12px;
  height: 12px;
  transition: transform 0.22s ease;
}

.admin-plans-archive[open] .admin-plans-archive-caret {
  transform: rotate(90deg);
}

.admin-plans-archive-label {
  font-weight: 500;
}

.admin-plans-archive-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 18px;
  padding: 0 6px;
  background: var(--status-done-soft);
  color: var(--status-done-strong);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}

.admin-plans-archive-wrap {
  margin-top: 12px;
  opacity: 0.92;
}

.admin-plans-archive-wrap .admin-plans-table thead {
  display: none;
}

.admin-plans-archive-wrap .admin-plan-row[data-status="done"] td {
  background: rgba(46, 158, 68, 0.04);
}

.admin-plan-delete {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.14s ease, background 0.14s ease;
}

.admin-plan-delete:hover,
.admin-plan-delete:focus {
  color: var(--status-overdue);
  background: var(--status-overdue-soft);
  outline: none;
}

.admin-plans-empty {
  margin: 16px 0 0;
  padding: 28px 16px;
  color: var(--muted);
  font-size: 13.5px;
  text-align: center;
  background: linear-gradient(180deg, #fafbfc 0%, #f4f6f8 100%);
  border-radius: 10px;
  border: 1px dashed var(--line);
}

.js-admin-plans-status {
  margin: 12px 2px 0;
  min-height: 18px;
  font-size: 12px;
  color: var(--muted);
}

.js-admin-plans-status.is-error {
  color: var(--status-overdue);
}

@media (max-width: 720px) {
  .admin-plans {
    padding: 16px 14px 18px;
  }
  .admin-plans-table {
    min-width: 580px;
  }
}

/* CALENDAR */

.admin-calendar-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.admin-calendar-nav,
.admin-calendar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.admin-calendar-title {
  margin: 0 0 0 10px;
  color: var(--ink);
  font-size: 22px;
  font-weight: 500;
  line-height: 1.2;
}

.admin-calendar-today,
.admin-calendar-icon,
.admin-calendar-view-switch button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  cursor: pointer;
  transition: background 0.14s ease, border-color 0.14s ease, color 0.14s ease;
}

.admin-calendar-today {
  min-width: 74px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}

.admin-calendar-icon {
  width: 36px;
  padding: 0;
  border-color: transparent;
  border-radius: 999px;
  background: transparent;
}

.admin-calendar-icon svg {
  width: 18px;
  height: 18px;
}

.admin-calendar-today:hover,
.admin-calendar-icon:hover,
.admin-calendar-view-switch button:hover {
  background: var(--surface-soft);
}

.admin-calendar-view-switch {
  display: inline-flex;
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
}

.admin-calendar-view-switch button {
  min-width: 68px;
  border: 0;
  border-radius: 0;
  background: transparent;
  font-size: 13px;
  font-weight: 600;
}

.admin-calendar-view-switch button.is-active {
  background: rgba(37, 99, 235, 0.12);
  color: var(--primary);
}

.admin-calendar-shell {
  --calendar-days: 7;
  --hour-height: 58px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.admin-calendar-week {
  min-width: 760px;
}

.admin-calendar-days {
  display: grid;
  grid-template-columns: 68px repeat(var(--calendar-days), minmax(96px, 1fr));
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.admin-calendar-day-spacer {
  min-height: 86px;
}

.admin-calendar-day {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-height: 86px;
  padding: 12px 10px 12px;
  border: 0;
  border-left: 1px solid var(--line);
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: center;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  transition: background 0.15s ease;
}

.admin-calendar-day:first-of-type {
  border-left: 0;
}

.admin-calendar-day:hover {
  background: var(--surface-soft);
}

.admin-calendar-day small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.admin-calendar-day strong {
  display: inline-grid;
  place-items: center;
  min-width: 40px;
  height: 40px;
  color: var(--ink);
  border-radius: 999px;
  font-size: 22px;
  font-weight: 500;
  line-height: 1;
  transition: background 0.15s ease, color 0.15s ease;
}

.admin-calendar-day:hover strong {
  background: rgba(37, 99, 235, 0.1);
}

.admin-calendar-day.is-today strong {
  background: #2f6be0;
  color: #fff;
  font-weight: 600;
}

.admin-calendar-body {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  max-height: calc(100vh - 230px);
  min-height: 640px;
  overflow: auto;
}

.admin-calendar-time-col {
  position: relative;
  background: var(--surface);
  border-right: 1px solid var(--line);
}

.admin-calendar-timezone {
  display: block;
  height: 30px;
  padding: 0 8px;
  color: var(--muted);
  font-size: 11px;
  line-height: 30px;
  white-space: nowrap;
}

.admin-calendar-time-labels {
  position: relative;
  height: calc(var(--hour-height) * 18);
}

.admin-calendar-time-label {
  position: absolute;
  right: 10px;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 11px;
  line-height: 1;
}

.admin-calendar-grid-wrap {
  min-width: 0;
}

.admin-calendar-allday {
  display: grid;
  grid-template-columns: repeat(var(--calendar-days), minmax(96px, 1fr));
  min-height: 30px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.admin-calendar-allcell {
  min-height: 30px;
  padding: 3px 6px;
  border-left: 1px solid var(--line);
}

.admin-calendar-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(var(--calendar-days), minmax(96px, 1fr));
  grid-template-rows: repeat(18, var(--hour-height));
  height: calc(var(--hour-height) * 18);
  background: var(--surface);
}

.admin-calendar-cell {
  border-left: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  cursor: crosshair;
}

.admin-calendar-cell:hover {
  background: rgba(37, 99, 235, 0.05);
}

.admin-calendar-now-line {
  position: absolute;
  left: calc(var(--calendar-day-index) * (100% / var(--calendar-days)));
  width: calc(100% / var(--calendar-days));
  top: var(--calendar-now-top);
  z-index: 12;
  border-top: 2px solid #d93025;
  pointer-events: none;
}

.admin-calendar-now-line::before {
  content: "";
  position: absolute;
  left: -5px;
  top: -5px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #d93025;
}

.admin-calendar-event {
  position: absolute;
  left: calc(var(--event-day) * (100% / var(--calendar-days)) + 4px);
  top: var(--event-top);
  width: calc((100% / var(--calendar-days)) - 8px);
  min-height: 24px;
  padding: 6px 8px;
  overflow: hidden;
  border: 0;
  border-radius: 7px;
  background: var(--event-color, #1a73e8);
  color: #fff;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.18);
  cursor: grab;
  text-align: left;
  z-index: 10;
}

.admin-calendar-selection {
  position: absolute;
  left: calc(var(--selection-day) * (100% / var(--calendar-days)) + 4px);
  top: var(--selection-top);
  width: calc((100% / var(--calendar-days)) - 8px);
  height: var(--selection-height);
  min-height: 24px;
  border: 1px solid rgba(26, 115, 232, 0.68);
  border-radius: 8px;
  background: rgba(26, 115, 232, 0.16);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
  pointer-events: none;
  z-index: 9;
}

.admin-calendar-event:active {
  cursor: grabbing;
}

.admin-calendar-event strong {
  display: block;
  overflow: hidden;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.25;
  text-overflow: ellipsis;
}

.admin-calendar-event span {
  display: block;
  margin-top: 2px;
  overflow: hidden;
  font-size: 11px;
  opacity: 0.9;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-calendar-resize {
  position: absolute;
  right: 4px;
  bottom: 2px;
  left: 4px;
  height: 8px;
  border-radius: 999px;
  cursor: ns-resize;
}

.admin-calendar-all-event {
  display: block;
  width: 100%;
  margin: 1px 0;
  padding: 3px 7px;
  overflow: hidden;
  border: 0;
  border-radius: 6px;
  background: var(--event-color, #1a73e8);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
}

.admin-calendar-grid.is-month {
  display: grid;
  grid-template-columns: repeat(7, minmax(118px, 1fr));
  grid-template-rows: repeat(6, minmax(116px, 1fr));
  height: 700px;
}

.admin-calendar-month-cell {
  min-width: 0;
  padding: 8px;
  border-left: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}

.admin-calendar-month-cell:hover {
  background: rgba(37, 99, 235, 0.05);
}

.admin-calendar-month-cell.is-outside {
  opacity: 0.45;
}

.admin-calendar-month-cell.is-today .admin-calendar-month-day {
  background: #3f5edb;
  color: #fff;
}

.admin-calendar-month-day {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  margin-bottom: 6px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.admin-calendar-month-event {
  display: block;
  width: 100%;
  margin: 3px 0;
  padding: 3px 6px;
  overflow: hidden;
  border: 0;
  border-radius: 5px;
  background: var(--event-color, #1a73e8);
  color: #fff;
  font-size: 11px;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
}

.admin-calendar-month-more {
  display: block;
  width: 100%;
  margin: 2px 0;
  padding: 2px 6px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 11px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.admin-calendar-month-more:hover {
  background: var(--surface-soft);
  color: var(--ink);
}

.js-calendar-status {
  min-height: 18px;
  margin: 10px 16px 14px;
  color: var(--muted);
  font-size: 12px;
}

.js-calendar-status.is-error {
  color: var(--danger);
}

.admin-calendar-modal[hidden] {
  display: none;
}

.admin-calendar-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 24px;
}

.admin-calendar-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.34);
  backdrop-filter: blur(2px);
}

.admin-calendar-dialog {
  position: relative;
  z-index: 1;
  width: min(620px, 100%);
  max-height: min(760px, 92vh);
  overflow: auto;
  padding: 0 22px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.24);
}

.admin-calendar-dialog-head {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 -22px 18px;
  padding: 16px 18px 14px 22px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.admin-calendar-dialog-head h2 {
  margin: 0;
  color: var(--ink);
  font-size: 16px;
}

.admin-calendar-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.admin-calendar-check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 4px 0 14px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
}

.admin-calendar-check input {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
}

.admin-calendar-colors {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 4px 0 14px;
}

.admin-calendar-colors label {
  display: inline-grid;
  place-items: center;
  cursor: pointer;
}

.admin-calendar-colors input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.admin-calendar-colors span {
  display: block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--surface);
  border-radius: 999px;
  background: var(--event-color);
  box-shadow: 0 0 0 1px var(--line-strong);
}

.admin-calendar-colors input:checked + span {
  box-shadow: 0 0 0 2px var(--primary);
}

.admin-calendar-dialog-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.admin-calendar-dialog-actions > div {
  display: flex;
  align-items: center;
  gap: 10px;
}

@media (max-width: 1020px) {
  .admin-calendar-topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .admin-calendar-actions {
    justify-content: space-between;
  }

  .admin-calendar-shell {
    overflow-x: auto;
  }
}

@media (max-width: 720px) {
  .admin-calendar-title {
    font-size: 18px;
  }

  .admin-calendar-actions,
  .admin-calendar-nav {
    flex-wrap: wrap;
  }

  .admin-calendar-form-grid {
    grid-template-columns: 1fr;
  }
}

/* RESEARCH */

.admin-research {
  display: grid;
  grid-template-columns: minmax(260px, 34%) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.admin-research-tree-wrap,
.admin-research-editor {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
}

.admin-research-tree-wrap {
  min-height: 520px;
  padding: 16px;
}

.admin-research-tree-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.admin-research-tree-head h2 {
  margin: 0;
  color: var(--admin-heading, #16181a);
  font-size: 15px;
  line-height: 1.3;
}

.admin-research-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.admin-research-tree {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.admin-research-node {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) 28px;
  align-items: center;
  gap: 4px;
  min-height: 36px;
  padding-left: calc(var(--depth, 0) * 18px);
  border-radius: 8px;
  color: var(--admin-heading, #16181a);
  transition: background 0.14s ease;
}

.admin-research-node:hover {
  background: rgba(20, 107, 183, 0.05);
}

.admin-research-node.is-active {
  background: rgba(20, 107, 183, 0.09);
}

.admin-research-toggle,
.admin-research-add,
.admin-research-title {
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
}

.admin-research-toggle,
.admin-research-add {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  color: var(--muted);
  cursor: pointer;
}

.admin-research-toggle[disabled] {
  opacity: 0.24;
  cursor: default;
}

.admin-research-toggle:not([disabled]):hover,
.admin-research-add:hover {
  background: rgba(20, 107, 183, 0.08);
  color: var(--color-primary);
}

.admin-research-toggle svg,
.admin-research-add svg {
  width: 13px;
  height: 13px;
}

.admin-research-node.is-expanded .admin-research-toggle:not([disabled]) svg {
  transform: rotate(90deg);
}

.admin-research-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-width: 0;
  height: 32px;
  padding: 0 6px;
  border-radius: 6px;
  text-align: left;
  cursor: pointer;
}

.admin-research-title span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 600;
}

.admin-research-title em {
  flex: 0 0 auto;
  min-width: 19px;
  height: 18px;
  padding: 0 6px;
  border-radius: 999px;
  background: rgba(20, 107, 183, 0.1);
  color: var(--color-primary);
  font-size: 11px;
  font-style: normal;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
}

.admin-research-empty {
  margin: 18px 0 0;
  padding: 28px 14px;
  border: 1px dashed var(--line);
  border-radius: 10px;
  background: linear-gradient(180deg, #fafbfc 0%, #f4f6f8 100%);
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.admin-research-editor {
  min-height: 520px;
  overflow: hidden;
}

.admin-research-editor > .admin-field,
.admin-research-editor > .admin-editor-bar,
.admin-research-path {
  margin-left: 20px;
  margin-right: 20px;
}

.admin-research-path {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  min-height: 40px;
  margin-top: 18px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 12.5px;
}

.admin-research-path-item {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.admin-research-path-item:hover,
.admin-research-path-item:focus {
  color: var(--color-primary);
  text-decoration: underline;
  outline: none;
}

.admin-research-path-item {
  display: inline-block;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-research-path em {
  color: var(--line-strong);
  font-style: normal;
}

.admin-research-editor .admin-field-content textarea {
  min-height: 360px;
  resize: vertical;
}

.admin-research-documents {
  margin: 0 20px 20px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
}

.admin-research-documents-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.admin-research-documents-head h2 {
  margin: 0;
  color: var(--admin-heading, #16181a);
  font-size: 15px;
}

.admin-research-documents-head p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12.5px;
}

.admin-research-documents .admin-documents-list {
  gap: 6px;
}

.admin-research-documents .admin-document-button {
  background: var(--surface);
  border-color: var(--line);
}

.js-research-status.is-error {
  color: var(--danger);
}

@media (max-width: 960px) {
  .admin-research {
    grid-template-columns: 1fr;
  }

  .admin-research-tree-wrap,
  .admin-research-editor {
    min-height: 0;
  }
}

@media (max-width: 620px) {
  .admin-research-editor > .admin-field,
  .admin-research-editor > .admin-editor-bar,
  .admin-research-path {
    margin-left: 14px;
    margin-right: 14px;
  }

  .admin-research-node {
    padding-left: calc(var(--depth, 0) * 13px);
  }

  .admin-research-documents {
    margin-left: 14px;
    margin-right: 14px;
  }

  .admin-research-documents-head {
    align-items: stretch;
    flex-direction: column;
  }
}

/* DOCUMENTS */

.admin-documents-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-document-button {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  flex: 1 1 auto;
  min-width: 0;
  padding: 12px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: var(--admin-heading, #16181a);
  font: inherit;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.14s ease, border-color 0.14s ease;
}

.admin-document-button:hover,
.admin-document-button:focus {
  background: rgba(20, 107, 183, 0.05);
  outline: none;
}

.admin-document-button.is-active {
  background: rgba(20, 107, 183, 0.09);
  border-color: rgba(20, 107, 183, 0.16);
}

.admin-document-title {
  display: block;
  overflow: hidden;
  color: inherit;
  font-size: 13.5px;
  font-weight: 700;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-document-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
}

.admin-document-meta small {
  min-width: 0;
  overflow: hidden;
  font-size: inherit;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-document-meta em {
  flex: 0 0 auto;
  font-style: normal;
}

.admin-documents-empty {
  margin: 18px 0 0;
  padding: 28px 14px;
  border: 1px dashed var(--line);
  border-radius: 10px;
  background: linear-gradient(180deg, #fafbfc 0%, #f4f6f8 100%);
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.js-documents-status.is-error {
  color: var(--danger);
}

/* RESEARCH — tree tools, search, guide rails (decoration) */

.admin-research-tree-tools {
  display: inline-flex;
  gap: 4px;
  margin-left: auto;
}

.admin-research-tool {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  transition: background 0.14s ease, color 0.14s ease, border-color 0.14s ease;
}

.admin-research-tool:hover {
  background: rgba(20, 107, 183, 0.08);
  border-color: rgba(20, 107, 183, 0.28);
  color: var(--color-primary);
}

.admin-research-tool svg {
  width: 14px;
  height: 14px;
}

.admin-research-search {
  position: relative;
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}

.admin-research-search-icon {
  position: absolute;
  left: 10px;
  width: 14px;
  height: 14px;
  color: var(--muted);
  pointer-events: none;
}

.admin-research-search-input {
  width: 100%;
  height: 34px;
  padding: 0 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
  color: var(--admin-heading, #16181a);
  font: inherit;
  font-size: 13px;
}

.admin-research-search-input:focus {
  outline: none;
  border-color: rgba(20, 107, 183, 0.5);
  background: var(--surface);
}

.admin-research-search-input::-webkit-search-cancel-button {
  -webkit-appearance: none;
  appearance: none;
}

.admin-research-search-clear {
  position: absolute;
  right: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.admin-research-search-clear:hover {
  background: var(--surface);
  color: var(--admin-heading, #16181a);
}

.admin-research-search-clear svg {
  width: 12px;
  height: 12px;
}

.admin-research-nomatch {
  margin: 14px 0 0;
  padding: 22px 14px;
  border: 1px dashed var(--line);
  border-radius: 10px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.admin-research-node {
  position: relative;
}

.admin-research-node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: calc(var(--depth, 0) * 18px);
  pointer-events: none;
  background-image: repeating-linear-gradient(to right, var(--line) 0, var(--line) 1px, transparent 1px, transparent 18px);
  background-position: 11px 0;
  opacity: 0.55;
}

.admin-research-node.is-active::after {
  content: "";
  position: absolute;
  left: calc(var(--depth, 0) * 18px);
  top: 6px;
  bottom: 6px;
  width: 3px;
  border-radius: 3px;
  background: var(--color-primary);
}

.admin-research-node.is-match {
  background: rgba(20, 107, 183, 0.07);
}

.admin-research-node.is-match .admin-research-title span {
  color: var(--color-primary);
  font-weight: 700;
}

/* DOCUMENTS — rows, type badges, delete */

.admin-document-row {
  display: flex;
  align-items: stretch;
  gap: 4px;
}

.admin-document-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 1 1 auto;
}

.admin-document-badge {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #fff;
  background: var(--muted);
}

.admin-document-badge.is-pdf { background: #d6453d; }
.admin-document-badge.is-doc { background: #2b6cb0; }
.admin-document-badge.is-md { background: #2f855a; }
.admin-document-badge.is-txt { background: #6b7280; }
.admin-document-badge.is-file { background: #8a8f98; }

.admin-document-delete {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.14s ease, background 0.14s ease, color 0.14s ease;
}

.admin-document-row:hover .admin-document-delete,
.admin-document-delete:focus-visible {
  opacity: 1;
}

.admin-document-delete:hover {
  background: rgba(214, 69, 61, 0.1);
  color: var(--danger);
}

.admin-document-delete svg {
  width: 15px;
  height: 15px;
}

[data-theme="dark"] .admin-research-search-input,
[data-theme="dark"] .admin-research-tool {
  background: #14161a;
}

@media (max-width: 620px) {
  .admin-document-delete {
    opacity: 1;
  }
}

/* AI ASSISTANT - floating */

.admin-ai-fab {
  position: fixed;
  right: 28px;
  bottom: 28px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 0;
  background: linear-gradient(135deg, #146bb7 0%, #0f4f88 100%);
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 28px rgba(15, 79, 136, 0.32);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  z-index: 100;
}

.admin-ai-fab:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 14px 36px rgba(15, 79, 136, 0.4);
}

.admin-ai-fab svg {
  width: 22px;
  height: 22px;
}

.admin-ai-popover {
  position: fixed;
  right: 28px;
  bottom: 92px;
  width: 380px;
  max-width: calc(100vw - 36px);
  height: 540px;
  max-height: calc(100vh - 120px);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 101;
  transform-origin: bottom right;
  animation: ai-popover-in 0.18s ease-out;
}

@keyframes ai-popover-in {
  from { opacity: 0; transform: translateY(8px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.admin-ai-popover-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #fbfcfd 0%, #f6f7f9 100%);
}

.admin-ai-popover-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
}

.admin-ai-popover-title strong {
  color: var(--admin-heading, #16181a);
}

.admin-ai-popover-title small {
  color: var(--muted);
  font-size: 11.5px;
  padding: 2px 7px;
  background: rgba(20, 107, 183, 0.08);
  color: var(--color-primary);
  border-radius: 999px;
}

.admin-ai-popover-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2f9e44;
  box-shadow: 0 0 0 3px rgba(47, 158, 68, 0.18);
}

.admin-ai-popover-actions {
  display: inline-flex;
  gap: 4px;
}

.admin-ai-popover-action {
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.14s ease, color 0.14s ease;
}

.admin-ai-popover-action:hover {
  background: rgba(0, 0, 0, 0.06);
  color: var(--admin-heading, #16181a);
}

.admin-ai-thread {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
}

.admin-ai-empty {
  margin: auto;
  padding: 24px 14px;
  color: var(--muted);
  font-size: 12.5px;
  text-align: center;
}

.admin-ai-message {
  display: flex;
  width: 100%;
}

.admin-ai-message.is-user { justify-content: flex-end; }
.admin-ai-message.is-assistant { justify-content: flex-start; }

.admin-ai-bubble {
  max-width: 82%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 13.5px;
  line-height: 1.65;
  word-break: break-word;
}

.admin-ai-message.is-user .admin-ai-bubble {
  background: var(--color-primary, #146bb7);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.admin-ai-message.is-assistant .admin-ai-bubble {
  background: #f4f5f7;
  color: var(--admin-heading, #16181a);
  border: 1px solid var(--line);
  border-bottom-left-radius: 4px;
}

.admin-ai-bubble.is-typing {
  padding: 12px 16px;
  animation: ai-breathe 1.6s ease-in-out infinite;
}

@keyframes ai-breathe {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(20, 107, 183, 0); }
  50% { transform: scale(1.04); box-shadow: 0 0 0 6px rgba(20, 107, 183, 0.06); }
}

.admin-ai-typing {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 10px;
}

.admin-ai-typing-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-primary, #146bb7);
  opacity: 0.35;
  animation: ai-dot 1.2s ease-in-out infinite;
}

.admin-ai-typing-dot:nth-child(2) { animation-delay: 0.18s; }
.admin-ai-typing-dot:nth-child(3) { animation-delay: 0.36s; }

@keyframes ai-dot {
  0%, 70%, 100% { opacity: 0.3; transform: translateY(0) scale(0.85); }
  35% { opacity: 1; transform: translateY(-3px) scale(1.15); }
}

.admin-ai-code {
  margin: 6px 0;
  padding: 8px 10px;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 12px;
  white-space: pre-wrap;
  overflow-x: auto;
}

.admin-ai-message.is-user .admin-ai-code {
  background: rgba(255, 255, 255, 0.18);
}

.admin-ai-form {
  border-top: 1px solid var(--line);
  padding: 10px 12px 12px;
  background: #fff;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-ai-input {
  width: 100%;
  min-height: 44px;
  max-height: 140px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  font-family: inherit;
  font-size: 13.5px;
  line-height: 1.55;
  resize: none;
  transition: border-color 0.14s ease, box-shadow 0.14s ease;
}

.admin-ai-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(20, 107, 183, 0.12);
}

.admin-ai-form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.js-admin-ai-status {
  margin: 0;
  font-size: 11.5px;
  color: var(--muted);
  flex: 1;
  min-width: 0;
}

.js-admin-ai-status.is-error {
  color: var(--status-overdue, #c9302c);
}

.admin-ai-send {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.admin-ai-send svg {
  width: 16px;
  height: 16px;
}

.admin-button-ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--admin-heading, #16181a);
}

.admin-button-ghost:hover {
  background: var(--surface-soft, #f4f5f7);
}

@media (max-width: 480px) {
  .admin-ai-fab { right: 16px; bottom: 16px; }
  .admin-ai-popover {
    right: 12px;
    left: 12px;
    bottom: 80px;
    width: auto;
    max-width: none;
  }
}

/* MODAL */

.app-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 3300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(15, 23, 42, 0.42);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.16s ease, visibility 0.16s ease;
}

.app-modal-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.app-modal {
  width: min(420px, 100%);
  padding: 22px 24px 20px;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.22);
  transform: translateY(8px) scale(0.98);
  transition: transform 0.18s ease;
}

.app-modal-backdrop.is-open .app-modal {
  transform: translateY(0) scale(1);
}

.app-modal-title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.app-modal-message {
  margin: 0 0 20px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
}

.app-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.app-modal-confirm-danger {
  background: var(--danger, #dc2626);
  border-color: var(--danger, #dc2626);
  color: #fff;
}

.app-modal-confirm-danger:hover,
.app-modal-confirm-danger:focus {
  background: #b91c1c;
  border-color: #b91c1c;
  color: #fff;
}

/* RESPONSIVE */

@media (max-width: 960px) {
  .admin-app {
    grid-template-columns: 1fr;
  }

  .admin-rail {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    width: 100%;
    height: auto;
    gap: 12px;
    padding: 12px 16px;
    border-right: 0;
    border-bottom: 1px solid var(--rail-line);
  }

  .admin-rail-brand {
    flex: 0 0 auto;
  }

  .admin-rail-nav {
    display: flex;
    flex-wrap: wrap;
    flex: 1 1 auto;
    gap: 2px;
    padding-top: 0;
    border-top: 0;
  }

  .admin-rail-foot {
    flex: 0 0 auto;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 0;
    border-top: 0;
  }

  .admin-rail-env {
    display: none;
  }

  .admin-rail-actions {
    display: flex;
  }

  .admin-stage {
    padding: 22px 20px 40px;
  }

  .admin-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .admin-stat {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .admin-stat:nth-child(odd) {
    border-right: 1px solid var(--line);
  }

  .admin-stat:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .admin-board {
    grid-template-columns: 1fr;
  }

  .admin-list {
    position: static;
    max-height: 360px;
  }

  .admin-editor-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .admin-stage {
    padding: 16px 14px 32px;
  }

  .admin-stage-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .admin-stage-actions {
    width: 100%;
  }

  .admin-stage-actions .admin-button {
    width: 100%;
  }

  .admin-stats {
    grid-template-columns: 1fr;
  }

  .admin-stat {
    border-right: 0 !important;
    border-bottom: 1px solid var(--line);
  }

  .admin-stat:last-child {
    border-bottom: 0;
  }

  .admin-editor-body {
    padding: 18px;
  }

  .admin-editor-bar {
    flex-wrap: wrap;
    padding: 12px 16px;
  }

  .admin-editor-bar-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .admin-login-card {
    padding: 28px 22px;
  }
}

@media screen and (max-width: 900px) {
  .site-container {
    width: calc(100vw - 80px);
    max-width: calc(100vw - 80px);
  }

  .main-navigation {
    display: none;
  }

  .header-menu .header-row {
    min-height: 62px;
    justify-content: center;
  }

  .header-actions {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
  }

  .menu-toggle {
    display: inline-grid;
  }

  .site-main {
    max-width: 100%;
  }

  .archive-year li {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

@media screen and (max-width: 600px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.625rem;
  }

  h3 {
    font-size: 1.375rem;
  }

  .site-container {
    width: min(330px, calc(100vw - 40px));
    max-width: min(330px, calc(100vw - 40px));
  }

  .header-top {
    display: none;
  }

  .branding-container {
    padding: 36px 0 28px;
  }

  .site-title {
    font-size: 2rem;
  }

  .site-content {
    padding: 46px 0 68px;
  }

  .post-card {
    max-width: min(330px, calc(100vw - 40px));
    margin-bottom: 44px;
  }

  .entry-content,
  .entry-content p {
    max-width: min(330px, calc(100vw - 40px));
    line-break: anywhere;
    word-break: break-all;
  }

  .post-card .entry-title,
  .post-single .entry-title {
    font-size: 1.625rem;
  }

  .post-single .entry-content {
    font-size: 16px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .message-item header {
    display: block;
  }

  .search-panel {
    inset: 0;
    padding: 30px;
  }

  .search-panel .site-container {
    width: 100%;
    padding-top: 34vh;
  }

  .search-close {
    top: 28px;
    right: 28px;
  }

  .search-description {
    display: none;
  }

  .back-to-top {
    right: 0;
    bottom: 22px;
    font-size: 0;
  }
}

/* ==========  VISITOR GATE  ========== */

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.visitor-zone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #9aa1a8;
}

.visitor-zone.is-on {
  color: #d4d8dd;
}

.visitor-zone-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: #a855f7;
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.2);
  display: inline-block;
}

.visitor-zone-link {
  appearance: none;
  background: transparent;
  border: 0;
  color: inherit;
  padding: 0;
  font: inherit;
  cursor: pointer;
  text-decoration: underline dotted rgba(255, 255, 255, 0.25);
  text-underline-offset: 4px;
}

.visitor-zone-link:hover {
  color: #fff;
}

.visitor-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
}

.visitor-modal[hidden] {
  display: none;
}

.visitor-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(2px);
}

.visitor-modal-dialog {
  position: relative;
  background: #ffffff;
  color: #0f172a;
  border-radius: 14px;
  width: min(420px, calc(100vw - 32px));
  padding: 28px 28px 24px;
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.25);
}

[data-theme="dark"] .visitor-modal-dialog {
  background: #161b22;
  color: #e6edf3;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
}

.visitor-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.visitor-modal-head h2 {
  font-size: 18px;
  margin: 0;
}

.visitor-modal-x {
  appearance: none;
  background: transparent;
  border: 0;
  color: inherit;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  line-height: 0;
  opacity: 0.7;
}

.visitor-modal-x:hover {
  opacity: 1;
  background: rgba(15, 23, 42, 0.06);
}

[data-theme="dark"] .visitor-modal-x:hover {
  background: rgba(255, 255, 255, 0.08);
}

.visitor-modal-hint {
  margin: 0 0 16px;
  font-size: 14px;
  color: #64748b;
}

[data-theme="dark"] .visitor-modal-hint {
  color: #9aa6b2;
}

.visitor-modal-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.visitor-modal-field input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 8px;
  font-size: 15px;
  background: #fff;
  color: inherit;
}

[data-theme="dark"] .visitor-modal-field input {
  background: #0d1117;
  border-color: rgba(255, 255, 255, 0.1);
}

.visitor-modal-form .button {
  align-self: flex-start;
}

.visitor-modal-form .form-status {
  margin: 0;
  font-size: 13px;
  min-height: 1em;
  color: #b91c1c;
}

body.visitor-modal-open {
  overflow: hidden;
}

/* ==========  PRIVATE POST BADGES  ========== */

.post-private-badge {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(168, 85, 247, 0.14);
  color: #7e22ce;
  font-weight: 600;
  margin-left: 4px;
}

[data-theme="dark"] .post-private-badge {
  background: rgba(168, 85, 247, 0.22);
  color: #d8b4fe;
}

.post-card.is-private {
  border-left: 3px solid rgba(168, 85, 247, 0.45);
  padding-left: 12px;
}

/* admin */

.admin-status-private {
  color: #7e22ce;
}

/* visibility picker dot colors (reuses .status-picker structure) */
.status-picker-dot.is-public {
  background: #0ea5e9;
}

.status-picker-dot.is-private {
  background: #a855f7;
}

.status-picker[data-value="public"] .category-picker-trigger > .status-picker-dot {
  background: #0ea5e9;
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.18);
}

.status-picker[data-value="private"] .category-picker-trigger > .status-picker-dot {
  background: #a855f7;
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.22);
}