/* Final application theme. Loaded after legacy component styles by index.html. */
:root {
  color-scheme: light;
  --ui-bg: #ffffff;
  --ui-sidebar: #f7f7f8;
  --ui-surface: #ffffff;
  --ui-surface-soft: #f4f4f5;
  --ui-surface-hover: #ececee;
  --ui-text: #202123;
  --ui-text-soft: #6b6b72;
  --ui-text-faint: #929298;
  --ui-line: #e5e5e7;
  --ui-line-strong: #d5d5d9;
  --ui-primary: #202123;
  --ui-primary-hover: #000000;
  --ui-success: #16845b;
  --ui-success-bg: #eef8f3;
  --ui-warning: #a15c00;
  --ui-warning-bg: #fff7e8;
  --ui-danger: #c0362c;
  --ui-danger-bg: #fff2f0;
  --ui-focus: rgba(32, 33, 35, .2);
  --ui-shadow-float: 0 16px 45px rgba(0, 0, 0, .09);
  --ui-shadow-subtle: 0 1px 2px rgba(0, 0, 0, .04);
  --paper: var(--ui-bg);
  --blue: var(--ui-primary);
  --green: var(--ui-success);
  --ink: var(--ui-text);
  --muted: var(--ui-text-soft);
  --line: var(--ui-line);
  --panel: var(--ui-surface);
  --cream: var(--ui-surface-soft);
  --warning: var(--ui-warning);
  --danger: var(--ui-danger);
  --shadow: var(--ui-shadow-subtle);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

html {
  min-width: 0;
  background: var(--ui-bg);
  color: var(--ui-text);
}

body {
  min-width: 0;
  background: var(--ui-bg);
  color: var(--ui-text);
  font-size: 14px;
  line-height: 1.6;
}

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

button,
a {
  transition: color .16s ease, background-color .16s ease, border-color .16s ease, box-shadow .16s ease, opacity .16s ease;
}

a,
button,
input,
select,
textarea,
summary {
  -webkit-tap-highlight-color: transparent;
}

p,
li,
dd,
td,
.assistant-message-copy {
  overflow-wrap: anywhere;
}

::selection {
  background: #dddddf;
  color: var(--ui-text);
}

/* Application shell and navigation */
.app-shell {
  --shell-sidebar: 216px;
  min-height: 100dvh;
  background: var(--ui-bg);
}

.app-shell.sidebar-collapsed {
  --shell-sidebar: 64px;
}

.app-shell .sidebar {
  width: var(--shell-sidebar);
  padding: 10px 8px 12px;
  overflow: hidden;
  border-right: 1px solid var(--ui-line);
  background: var(--ui-sidebar);
  color: var(--ui-text);
  transition: width .18s ease, transform .18s ease;
}

.app-shell .brand {
  min-height: 46px;
  gap: 9px;
  padding: 5px 8px 10px;
  border: 0;
  color: var(--ui-text);
}

.app-shell .brand-mark {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  border-radius: 9px;
  background: var(--ui-primary);
  color: #ffffff;
  box-shadow: none;
  font-size: 10px;
  letter-spacing: .04em;
}

.app-shell .brand strong {
  color: var(--ui-text);
  font-size: 13px;
  letter-spacing: 0;
  white-space: nowrap;
}

.app-shell .brand small {
  margin-top: 1px;
  color: var(--ui-text-faint);
  font-size: 9px;
  white-space: nowrap;
}

.sidebar-new-chat,
.app-shell .main-nav a,
.sidebar-logout {
  min-width: 0;
  height: 38px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #35353a;
  font-size: 13px;
  font-weight: 500;
  text-align: left;
}

.sidebar-new-chat {
  margin: 1px 0 8px;
  border: 1px solid var(--ui-line-strong);
  background: var(--ui-bg);
  font-weight: 600;
}

.sidebar-new-chat:hover,
.app-shell .main-nav a:hover,
.app-shell .main-nav a.active,
.sidebar-logout:hover {
  border-color: var(--ui-line-strong);
  background: var(--ui-surface-hover);
  color: #111113;
}

.app-shell .main-nav {
  display: block;
  min-height: 0;
  margin: 0;
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #d1d1d4 transparent;
}

.app-shell .nav-group {
  margin: 0 0 7px;
}

.app-shell .nav-group > p {
  margin: 0;
  padding: 7px 10px 3px;
  color: var(--ui-text-faint);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .04em;
}

.nav-icon-slot,
.app-shell .main-nav a > .nav-icon-slot,
.sidebar-new-chat > .nav-icon-slot,
.sidebar-logout > .nav-icon-slot {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  display: grid;
  place-items: center;
  color: currentColor;
  font-size: 0;
}

.nav-icon {
  display: block;
}

.app-shell .nav-label {
  width: auto;
  min-width: 0;
  flex: 1;
  overflow: hidden;
  color: inherit;
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.recent-group {
  padding-bottom: 8px;
}

.sidebar-empty {
  margin: 4px 10px 8px;
  color: var(--ui-text-faint);
  font-size: 10px;
  line-height: 1.5;
}

.app-shell .sidebar-foot {
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--ui-line);
}

.app-shell .account-summary {
  gap: 8px;
  padding: 7px 9px;
  color: var(--ui-text-soft);
}

.app-shell .account-avatar {
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  background: #303034;
  color: #ffffff;
  font-size: 10px;
}

.app-shell .account-summary strong {
  max-width: 125px;
  color: var(--ui-text);
  font-size: 11px;
}

.app-shell .account-summary small {
  margin-top: 0;
  color: var(--ui-text-faint);
  font-size: 9px;
}

.app-shell .sidebar-logout {
  width: 100%;
  margin-top: 1px;
  color: var(--ui-text-soft);
  cursor: pointer;
}

.app-shell .main-content {
  width: calc(100% - var(--shell-sidebar));
  min-width: 0;
  margin-left: var(--shell-sidebar);
  background: var(--ui-bg);
  transition: width .18s ease, margin-left .18s ease;
}

.app-shell .topbar {
  height: 54px;
  padding: 0 20px;
  border-bottom: 1px solid var(--ui-line);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(14px);
}

.topbar-leading {
  gap: 10px;
}

.sidebar-toggle {
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--ui-text-soft);
  cursor: pointer;
  font-size: 0;
}

.sidebar-toggle:hover {
  background: var(--ui-surface-soft);
  color: var(--ui-text);
}

.app-shell .crumb {
  color: var(--ui-text);
  font-size: 13px;
  font-weight: 600;
}

.app-shell .provider-badge {
  padding: 5px 9px;
  border-color: var(--ui-line);
  background: #fafafa;
  color: var(--ui-text-soft);
  font-size: 10px;
}

.app-shell.sidebar-collapsed .sidebar {
  padding-inline: 7px;
}

.app-shell.sidebar-collapsed .brand-copy,
.app-shell.sidebar-collapsed .nav-label,
.app-shell.sidebar-collapsed .nav-group > p,
.app-shell.sidebar-collapsed .sidebar-empty,
.app-shell.sidebar-collapsed .account-summary > span:last-child {
  display: none;
}

.app-shell.sidebar-collapsed .brand,
.app-shell.sidebar-collapsed .sidebar-new-chat,
.app-shell.sidebar-collapsed .main-nav a,
.app-shell.sidebar-collapsed .account-summary,
.app-shell.sidebar-collapsed .sidebar-logout {
  justify-content: center;
  padding-inline: 0;
}

/* Shared page foundations */
.app-shell .view:not(.assistant-view) {
  width: min(100%, 1440px);
  max-width: 1440px;
  padding: 28px 28px 56px;
}

.page-heading {
  gap: 18px;
  margin-bottom: 22px;
}

.page-heading h1,
.hero-panel h1,
.auth-intro h1,
.boot-error h1 {
  color: var(--ui-text);
  font-family: inherit;
  font-weight: 650;
  letter-spacing: -.025em;
}

.page-heading h1 {
  margin: 0;
  font-size: clamp(25px, 2.4vw, 30px);
  line-height: 1.2;
}

.page-heading p {
  max-width: 760px;
  margin: 6px 0 0;
  color: var(--ui-text-soft);
  font-size: 13px;
}

.eyebrow,
.section-kicker {
  margin-bottom: 7px;
  color: var(--ui-text-soft);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: .08em;
}

.panel,
.panel-compact {
  border: 1px solid var(--ui-line);
  background: var(--ui-surface);
  box-shadow: var(--ui-shadow-subtle);
}

.panel {
  padding: 20px;
  border-radius: 14px;
}

.panel-compact {
  padding: 14px 16px;
  border-radius: 12px;
}

.panel-header {
  gap: 14px;
  margin-bottom: 16px;
}

.panel-header h2 {
  color: var(--ui-text);
  font-size: 16px;
  font-weight: 650;
}

.panel-header a,
.panel-header > span,
.text-button,
.settings-card summary,
.hotspot-input summary,
.topic-card summary {
  color: var(--ui-text-soft);
}

.panel-header a:hover,
.text-button:hover,
.settings-card summary:hover,
.hotspot-input summary:hover,
.topic-card summary:hover {
  color: var(--ui-text);
}

.button {
  min-height: 38px;
  padding: 9px 15px;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 600;
  transform: none;
}

.button:hover {
  transform: none;
}

.button-primary {
  border: 1px solid var(--ui-primary);
  background: var(--ui-primary);
  color: #ffffff;
  box-shadow: none;
}

.button-primary:hover {
  border-color: var(--ui-primary-hover);
  background: var(--ui-primary-hover);
}

.button-secondary {
  border: 1px solid var(--ui-line-strong);
  background: var(--ui-bg);
  color: var(--ui-text);
}

.button-secondary:hover {
  border-color: #bdbdc2;
  background: var(--ui-surface-soft);
}

.button-small {
  min-height: 34px;
  padding: 7px 12px;
  font-size: 12px;
}

.button:disabled,
.button[aria-busy="true"] {
  opacity: .5;
  cursor: wait;
  transform: none;
}

label {
  gap: 6px;
  color: #3e3e43;
  font-size: 12px;
  font-weight: 600;
}

input,
select,
textarea {
  min-height: 40px;
  padding: 9px 11px;
  border: 1px solid var(--ui-line-strong);
  border-radius: 9px;
  background: var(--ui-bg);
  color: var(--ui-text);
}

textarea {
  line-height: 1.65;
}

input::placeholder,
textarea::placeholder {
  color: #a0a0a5;
}

input:focus,
select:focus,
textarea:focus {
  border-color: #8f8f95;
  box-shadow: 0 0 0 3px var(--ui-focus);
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid #55555b;
  outline-offset: 2px;
}

.form-grid {
  gap: 12px;
}

.muted,
.field-hint,
.file-hint {
  color: var(--ui-text-soft);
}

.privacy-note,
.cost-note,
.provider-config,
.hotspot-input,
.selected-file-list,
[data-video-mode-panel] {
  border: 1px solid var(--ui-line);
  background: var(--ui-surface-soft);
  color: var(--ui-text-soft);
}

.auth-feedback,
.form-feedback,
.upload-status,
.connection-result,
.notice,
#video-validation:not(:empty) {
  border: 1px solid transparent;
  border-radius: 9px;
}

.auth-feedback.is-success,
.form-feedback.is-success,
.upload-status.is-success,
.connection-result.is-success {
  border-color: #cce7da;
  background: var(--ui-success-bg);
  color: var(--ui-success);
}

.auth-feedback.is-error,
.form-feedback.is-error,
.upload-status.is-error,
.connection-result.is-error,
.model-log-empty.is-error,
#video-validation:not(:empty) {
  border-color: #efd0cc;
  background: var(--ui-danger-bg);
  color: var(--ui-danger);
}

.upload-status.is-processing,
.connection-result.is-processing {
  border-color: var(--ui-line);
  background: var(--ui-surface-soft);
  color: var(--ui-text-soft);
}

.notice.warning {
  border-color: #f0dbb5;
  background: var(--ui-warning-bg);
  color: var(--ui-warning);
}

.loading-state,
.error-state {
  color: var(--ui-text-soft);
}

.spinner {
  border-color: #dddddf;
  border-top-color: #54545a;
}

.large-empty,
.result-placeholder,
.generating-state,
.media-empty,
.empty-inline {
  border-color: var(--ui-line-strong);
  background: #fafafa;
  color: var(--ui-text-soft);
}

.large-empty .state-icon,
.error-state .state-icon,
.media-empty .state-icon {
  background: var(--ui-surface-soft);
  color: var(--ui-text-soft);
}

.error-state.compact,
.media-empty.is-error {
  border-color: #efd0cc;
  background: var(--ui-danger-bg);
}

.error-state.compact .state-icon,
.media-empty.is-error .state-icon {
  color: var(--ui-danger);
}

.toast {
  border: 1px solid #343438;
  border-radius: 10px;
  background: #2d2d31;
  color: #ffffff;
  box-shadow: var(--ui-shadow-float);
}

.toast-error {
  border-color: #d97269;
  background: #3a2928;
}

/* Dashboard */
.hero-panel {
  min-height: 232px;
  padding: 30px 32px;
  border: 1px solid var(--ui-line);
  border-radius: 16px;
  background: linear-gradient(135deg, #fafafa, #f4f4f6);
}

.hero-panel::before {
  display: none;
}

.hero-panel > div:first-child {
  max-width: 690px;
}

.hero-panel h1 {
  margin: 0;
  font-size: clamp(30px, 3.2vw, 38px);
  line-height: 1.22;
}

.hero-panel h1 em {
  color: var(--ui-text);
  font-style: normal;
}

.hero-panel p {
  max-width: 620px;
  margin: 14px 0 0;
  color: var(--ui-text-soft);
  font-size: 14px;
  line-height: 1.75;
}

.hero-actions {
  gap: 9px;
  margin-top: 20px;
}

.workflow-orbit {
  position: static;
  width: 250px;
  height: auto;
  display: grid;
  gap: 7px;
  margin: 0 0 0 28px;
}

.workflow-orbit::before {
  display: none;
}

.orbit-core,
.orbit-item {
  position: static;
  width: auto;
  height: auto;
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--ui-line);
  border-radius: 10px;
  background: rgba(255, 255, 255, .82);
  color: var(--ui-text);
  box-shadow: none;
  text-align: left;
}

.orbit-core {
  justify-content: space-between;
  border-color: var(--ui-line-strong);
  background: var(--ui-surface);
}

.orbit-core strong {
  font-family: inherit;
  font-size: 14px;
}

.orbit-core span,
.orbit-item {
  color: var(--ui-text-soft);
  font-size: 11px;
}

.orbit-item b {
  color: var(--ui-text-faint);
}

.stats-grid {
  gap: 10px;
  margin: 14px 0;
}

.stat-card {
  min-height: 92px;
  padding: 16px;
  border-color: var(--ui-line);
  border-radius: 12px;
  background: var(--ui-surface);
  box-shadow: var(--ui-shadow-subtle);
}

.stat-card span {
  color: var(--ui-text-soft);
  font-size: 11px;
}

.stat-card strong {
  margin-top: 7px;
  color: var(--ui-text);
  font-size: 24px;
}

.stat-card i {
  display: none;
}

.dashboard-grid {
  gap: 14px;
  margin-bottom: 14px;
}

.node-row {
  gap: 11px;
  padding: 12px 0;
}

.node-index {
  color: var(--ui-text-faint);
  font-family: inherit;
  font-style: normal;
}

.audience-chip,
.history-kind,
.platform-badge,
.evidence-count,
.placeholder-chips span,
.topic-meta span {
  border: 1px solid var(--ui-line);
  background: var(--ui-surface-soft);
  color: var(--ui-text-soft);
}

.trust-panel {
  border-color: var(--ui-line);
  background: var(--ui-surface);
  color: var(--ui-text);
}

.trust-panel .section-kicker,
.trust-list p {
  color: var(--ui-text-soft);
}

.trust-list {
  gap: 14px;
}

.trust-list li > span {
  background: var(--ui-surface-soft);
  color: var(--ui-text-soft);
}

.draft-grid {
  gap: 10px;
}

.draft-card {
  min-height: 106px;
  padding: 15px;
  border-radius: 11px;
  background: var(--ui-surface);
}

.draft-card:hover,
.topic-card:hover,
.media-card:hover,
.image-card:hover {
  border-color: var(--ui-line-strong);
  box-shadow: 0 7px 22px rgba(0, 0, 0, .06);
}

.draft-card span {
  color: var(--ui-text-soft);
}

/* Topics and content editor */
.inline-create,
.school-switcher {
  border-color: var(--ui-line);
  background: var(--ui-surface-soft);
}

.isolation-badge {
  color: var(--ui-text-soft);
}

.topic-workspace {
  grid-template-columns: minmax(300px, 350px) minmax(0, 1fr);
  gap: 16px;
}

.topic-brief {
  position: sticky;
  top: 70px;
}

.brief-heading,
.editor-step {
  gap: 10px;
  margin-bottom: 17px;
}

.brief-heading > span,
.editor-step > span {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--ui-primary);
  color: #ffffff;
}

.grounding-switch {
  border: 1px solid var(--ui-line);
  background: var(--ui-surface-soft);
}

.grounding-switch > span {
  background: #dedee1;
  color: var(--ui-text);
}

.radar-graphic,
.radar-graphic::before,
.radar-graphic::after {
  border-color: var(--ui-line-strong);
}

.radar-graphic i,
.radar-graphic i:nth-child(3) {
  background: #dedee1;
}

.radar-graphic span {
  color: var(--ui-text-soft);
}

.topic-card-list {
  gap: 10px;
}

.topic-card {
  grid-template-columns: 38px minmax(0, 1fr) auto;
  gap: 13px;
  padding: 17px;
  border-radius: 12px;
  background: var(--ui-surface);
}

.topic-number {
  color: var(--ui-text-faint);
  font-family: inherit;
  font-size: 15px;
  font-style: normal;
}

.topic-card h3 {
  margin: 9px 0 6px;
  color: var(--ui-text);
  font-size: 16px;
}

.topic-card p {
  color: var(--ui-text-soft);
}

.strategy-动心,
.strategy-有用,
.strategy-会心一笑 {
  border-color: var(--ui-line) !important;
  background: var(--ui-surface-soft) !important;
  color: var(--ui-text-soft) !important;
}

.share-reason {
  border: 1px solid var(--ui-line);
  background: #fafafa;
}

.share-reason strong {
  color: var(--ui-text);
}

.editor-top a:first-child,
.empty-inline a,
.preview-tags span {
  color: var(--ui-text-soft);
}

.editor-layout {
  grid-template-columns: minmax(560px, 1fr) minmax(330px, 370px);
  gap: 16px;
}

.editor-canvas {
  min-width: 0;
}

.title-label select {
  font-size: 16px;
}

.body-editor {
  min-height: 470px;
  background: var(--ui-bg);
}

.evidence-card,
.evidence-box,
.verification-box {
  border: 1px solid var(--ui-line);
  background: var(--ui-surface-soft);
}

.evidence-box header span {
  color: var(--ui-success);
}

.verification-box header > span {
  background: #e6d4b8;
  color: #6f490e;
}

.verification-box header p {
  color: var(--ui-warning);
}

.phone-preview {
  border-color: #2d2d31;
  background: var(--ui-bg);
  box-shadow: 0 18px 42px rgba(0, 0, 0, .13);
}

.fake-profile i {
  background: var(--ui-primary);
}

.image-plan > div > span {
  background: var(--ui-surface-soft);
  color: var(--ui-text-soft);
}

/* Knowledge library */
.knowledge-layout {
  grid-template-columns: minmax(310px, 350px) minmax(0, 1fr);
  gap: 16px;
}

.drop-zone {
  height: 166px;
  border-color: var(--ui-line-strong);
  background: #fafafa;
}

.drop-zone:hover {
  border-color: #a6a6ac;
  background: var(--ui-surface-soft);
}

.upload-icon,
.search-result-box > strong,
.selected-file-list strong {
  color: var(--ui-text-soft);
}

.search-result-box,
blockquote {
  border-color: var(--ui-line-strong);
  background: #fafafa;
  color: var(--ui-text-soft);
}

.material-tabs button.active {
  border-color: var(--ui-text);
  color: var(--ui-text);
}

.material-row {
  grid-template-columns: 38px minmax(0, 1fr) 32px;
}

.file-type,
.provider-icon,
.security-icon {
  background: var(--ui-surface-soft);
  color: var(--ui-text-soft);
}

.image-grid {
  gap: 10px;
}

.image-card {
  border-radius: 11px;
  background: var(--ui-surface);
}

.knowledge-job {
  border-color: var(--ui-line);
  background: #fafafa;
}

.knowledge-job.is-failed {
  border-color: #efd0cc;
  background: var(--ui-danger-bg);
}

.job-stage {
  border: 1px solid var(--ui-line);
  background: var(--ui-surface-soft);
  color: var(--ui-text-soft);
}

.knowledge-job.is-failed .job-stage {
  border-color: #efd0cc;
  background: var(--ui-danger-bg);
  color: var(--ui-danger);
}

.admin-knowledge-grid > div {
  border: 1px solid var(--ui-line);
  background: #fafafa;
}

/* Video creation */
.video-creator-layout,
.view:has(> #video-creator-form) {
  gap: 16px;
}

#video-creator-form {
  gap: 15px;
}

.video-mode-tabs,
#video-mode-options {
  gap: 7px;
}

.video-mode-option span {
  border-color: var(--ui-line);
  background: var(--ui-bg);
  color: var(--ui-text-soft);
}

.video-mode-option span:hover {
  background: var(--ui-surface-soft);
}

.video-mode-option input:checked + span {
  border-color: #8d8d93;
  background: var(--ui-surface-soft);
  color: var(--ui-text);
  font-weight: 650;
}

.video-mode-option input:focus-visible + span {
  box-shadow: 0 0 0 3px var(--ui-focus);
}

[data-video-mode-panel="keyframes"] > div,
.video-reference-list li,
#video-reference-summary li {
  border: 1px solid var(--ui-line);
  background: var(--ui-bg);
}

#video-confirmation-summary dt,
#video-reference-summary p,
#video-validation p {
  color: var(--ui-text-soft);
}

#video-media-results .media-card.is-selected {
  border-color: #65656b;
  box-shadow: 0 0 0 2px rgba(32, 33, 35, .11);
}

#video-media-results .media-card.is-selected::after {
  background: var(--ui-primary);
  color: #ffffff;
}

.video-job-result {
  padding: 16px;
}

.video-job-icon,
.generation-job-icon {
  border: 1px solid var(--ui-line);
  background: var(--ui-surface-soft);
  color: var(--ui-text-soft);
}

.video-job-state.is-succeeded .video-job-icon,
.generation-job-state.is-succeeded .generation-job-icon {
  border-color: #cce7da;
  background: var(--ui-success-bg);
  color: var(--ui-success);
}

.video-job-state.is-failed .video-job-icon,
.video-job-state.is-failed small,
.generation-job-state.is-failed .generation-job-icon,
.generation-job-state.is-failed small {
  border-color: #efd0cc;
  background: var(--ui-danger-bg);
  color: var(--ui-danger);
}

.generation-job-state {
  border-color: var(--ui-line);
  background: #fafafa;
}

.generation-job-state.is-succeeded {
  border-color: #cce7da;
  background: var(--ui-success-bg);
}

.generation-job-state.is-failed,
.generation-job-state.is-cancelled {
  border-color: #efd0cc;
  background: var(--ui-danger-bg);
}

/* Media library and history */
.media-toolbar {
  gap: 10px;
  margin-bottom: 16px;
}

.media-grid {
  gap: 13px;
}

.media-card {
  border-color: var(--ui-line);
  border-radius: 12px;
  background: var(--ui-surface);
  box-shadow: var(--ui-shadow-subtle);
}

.media-card > a:first-child,
.media-card > video {
  background: var(--ui-surface-soft);
}

.media-card > video {
  background: #242428;
}

.history-filter {
  gap: 10px;
  margin-bottom: 16px;
}

.history-list,
.personal-job-list {
  gap: 10px;
}

.history-card {
  gap: 15px;
  padding: 17px;
  border-color: var(--ui-line);
  border-radius: 12px;
  background: var(--ui-surface);
  box-shadow: var(--ui-shadow-subtle);
}

.history-topic-list > div > span {
  color: var(--ui-text-soft);
}

/* Operations and administration */
.operations-rate {
  border: 1px solid var(--ui-line);
  background: var(--ui-surface-soft);
  color: var(--ui-text);
}

.operations-table,
.user-table table {
  color: var(--ui-text);
}

.operations-table th,
.user-table th {
  background: var(--ui-surface-soft);
  color: var(--ui-text-soft);
}

.operations-table th,
.operations-table td,
.user-table th,
.user-table td {
  border-color: var(--ui-line);
}

.operations-table tbody tr:hover,
.user-table tbody tr:hover {
  background: #fafafa;
}

.user-table {
  border-color: var(--ui-line);
  border-radius: 11px;
}

.admin-settings-grid,
.settings-grid {
  gap: 14px;
}

.admin-settings-card,
.settings-card {
  min-width: 0;
}

.admin-settings-card > header,
.settings-card > header {
  margin-bottom: 16px;
}

.bailian-provider-icon,
.text-provider,
.image-provider {
  background: var(--ui-surface-soft);
  color: var(--ui-text-soft);
}

.key-set {
  color: var(--ui-success);
}

.key-empty {
  color: var(--ui-text-faint);
}

.model-log-row {
  border-color: var(--ui-line);
}

.model-log-state {
  border: 1px solid var(--ui-line);
  background: var(--ui-surface-soft);
  color: var(--ui-text-soft);
}

.model-log-row.is-success .model-log-state {
  border-color: #cce7da;
  background: var(--ui-success-bg);
  color: var(--ui-success);
}

.model-log-row.is-error .model-log-state {
  border-color: #efd0cc;
  background: var(--ui-danger-bg);
  color: var(--ui-danger);
}

/* Authentication */
.auth-page {
  grid-template-columns: minmax(0, 1.1fr) minmax(380px, .9fr);
  background: var(--ui-bg);
}

.auth-intro {
  position: relative;
  padding: 72px max(6vw, 48px);
  border-right: 1px solid var(--ui-line);
  background: linear-gradient(145deg, #fafafa, #f1f1f3);
  color: var(--ui-text);
}

.auth-brand {
  color: var(--ui-text);
}

.auth-brand > span {
  background: var(--ui-primary);
  color: #ffffff;
}

.auth-intro .eyebrow,
.auth-intro p,
.auth-points {
  color: var(--ui-text-soft);
}

.auth-intro h1 {
  font-size: clamp(36px, 4vw, 52px);
}

.auth-points span {
  border: 1px solid var(--ui-line-strong);
  background: var(--ui-bg);
  color: var(--ui-text);
}

.auth-card {
  width: min(410px, calc(100% - 48px));
  padding: 28px;
  border-radius: 16px;
  box-shadow: 0 16px 46px rgba(0, 0, 0, .07);
}

.auth-tabs button {
  color: var(--ui-text-soft);
  font-weight: 600;
}

.auth-tabs button.active {
  border-color: var(--ui-text);
  color: var(--ui-text);
}

/* Assistant */
.app-shell .assistant-view {
  height: calc(100dvh - 54px);
  background: var(--ui-bg);
}

.assistant-page,
.assistant-thread {
  background: var(--ui-bg);
}

.assistant-thread {
  color: var(--ui-text);
}

.assistant-empty-mark,
.assistant-avatar,
.assistant-action-icon {
  border: 1px solid var(--ui-line);
  background: var(--ui-surface-soft);
  color: var(--ui-text);
}

.assistant-examples button,
.assistant-action-card,
.assistant-config-gap,
.assistant-action-result,
.assistant-composer {
  border-color: var(--ui-line);
  background: var(--ui-bg);
  box-shadow: var(--ui-shadow-subtle);
}

.assistant-examples button:hover {
  border-color: var(--ui-line-strong);
  background: var(--ui-surface-soft);
}

.assistant-message.is-user .assistant-message-body {
  background: var(--ui-surface-soft);
  color: var(--ui-text);
}

.assistant-action-state,
.assistant-config-list li {
  border-color: var(--ui-line);
  background: var(--ui-surface-soft);
  color: var(--ui-text-soft);
}

.assistant-config-list .is-ready,
.assistant-action-result.is-success {
  border-color: #cce7da;
  background: var(--ui-success-bg);
  color: var(--ui-success);
}

.assistant-config-list .is-missing,
.assistant-action-result.is-error {
  border-color: #efd0cc;
  background: var(--ui-danger-bg);
  color: var(--ui-danger);
}

.assistant-billing-notice {
  border-color: #f0dbb5;
  background: var(--ui-warning-bg);
  color: var(--ui-warning);
}

.assistant-composer:focus-within {
  border-color: #a1a1a6;
  box-shadow: 0 0 0 3px var(--ui-focus), 0 14px 36px rgba(0, 0, 0, .08);
}

/* Responsive layout */
@media (max-width: 1350px) {
  .editor-layout {
    grid-template-columns: 1fr;
  }

  .preview-column {
    grid-template-columns: minmax(320px, 360px) minmax(0, 1fr);
  }
}

@media (max-width: 1100px) {
  .app-shell {
    --shell-sidebar: 216px;
  }

  .app-shell.sidebar-collapsed {
    --shell-sidebar: 64px;
  }

  .app-shell .view:not(.assistant-view) {
    padding: 24px 22px 48px;
  }

  .hero-panel {
    padding: 26px;
  }

  .workflow-orbit {
    display: none;
  }

  .dashboard-grid,
  .knowledge-layout,
  .topic-workspace,
  .settings-grid {
    grid-template-columns: 1fr;
  }

  .topic-brief {
    position: static;
  }

  .media-toolbar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 850px) {
  .auth-page {
    grid-template-columns: 1fr;
  }

  .app-shell,
  .app-shell.sidebar-collapsed {
    --shell-sidebar: 0;
  }

  .app-shell .main-content,
  .app-shell.sidebar-collapsed .main-content {
    width: 100%;
    margin-left: 0;
  }

  .app-shell .sidebar {
    width: min(270px, 86vw);
    padding: 10px 8px 12px;
    transform: translateX(-101%);
    box-shadow: 12px 0 38px rgba(0, 0, 0, .12);
  }

  .app-shell .sidebar.is-open {
    transform: translateX(0);
  }

  .app-shell.sidebar-collapsed .brand-copy,
  .app-shell.sidebar-collapsed .nav-label,
  .app-shell.sidebar-collapsed .nav-group > p,
  .app-shell.sidebar-collapsed .account-summary > span:last-child {
    display: block;
  }

  .app-shell.sidebar-collapsed .brand,
  .app-shell.sidebar-collapsed .sidebar-new-chat,
  .app-shell.sidebar-collapsed .main-nav a,
  .app-shell.sidebar-collapsed .account-summary,
  .app-shell.sidebar-collapsed .sidebar-logout {
    justify-content: flex-start;
    padding-inline: 10px;
  }

  .app-shell .topbar {
    padding: 0 12px;
  }

  .app-shell .view:not(.assistant-view) {
    width: 100%;
    padding: 22px 16px 48px;
  }

  .app-shell .assistant-view {
    height: calc(100dvh - 54px);
  }

  .page-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-panel {
    min-height: 0;
    padding: 24px 20px;
  }

  .hero-actions,
  .history-card {
    align-items: stretch;
    flex-direction: column;
  }

  .stats-grid,
  .draft-grid,
  .form-grid,
  .admin-settings-grid,
  .admin-knowledge-grid,
  .history-filter,
  #video-creator-form .three-columns,
  [data-video-mode-panel="keyframes"] {
    grid-template-columns: 1fr;
  }

  .preview-column {
    display: grid;
    grid-template-columns: 1fr;
  }

  .phone-preview {
    width: min(350px, 100%);
  }

  .media-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .app-shell .view:not(.assistant-view) {
    padding-inline: 14px;
  }

  .page-heading h1 {
    font-size: 24px;
  }

  .hero-panel h1 {
    font-size: 28px;
  }

  .hero-actions,
  .connection-actions,
  .assistant-action-controls {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-actions .button,
  .connection-actions .button,
  .assistant-action-controls .button {
    width: 100%;
  }

  .stats-grid,
  .media-grid,
  .media-toolbar,
  .video-mode-tabs,
  #video-mode-options {
    grid-template-columns: 1fr;
  }

  .topic-card {
    grid-template-columns: 30px minmax(0, 1fr);
  }

  .topic-card > .topic-action,
  .topic-card > .button {
    grid-column: 1 / -1;
    width: 100%;
  }

  .panel {
    padding: 17px;
  }

  .auth-intro {
    min-height: 290px;
    padding: 94px 24px 38px;
  }

  .auth-intro h1 {
    font-size: 34px;
  }

  .auth-card {
    width: calc(100% - 28px);
    margin: 20px auto;
    padding: 22px 18px;
  }

  .assistant-message.is-user .assistant-message-body {
    max-width: 94%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto;
    transition-duration: .01ms;
    animation-duration: .01ms;
    animation-iteration-count: 1;
  }
}