:root {
  --bg: #07080c;
  --bg-elevated: #0f1118;
  --bg-hover: #171b26;
  --border: rgba(255, 255, 255, 0.07);
  --text: #eef1f7;
  --text-muted: #8b93a8;
  --teal: #3ee8cf;
  --teal-dim: rgba(62, 232, 207, 0.12);
  --accent: var(--teal);
  --violet: #b49cff;
  --violet-dim: rgba(180, 156, 255, 0.12);
  --amber: #ffc857;
  --amber-dim: rgba(255, 200, 87, 0.12); 
  --coral: #ff8b6a;
  --sky: #5ec8ff;
  --user-bg: linear-gradient(135deg, #1a3352 0%, #141c32 100%);
  --assistant-bg: #12151d;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  --sidebar-width: 280px;
  --chat-mini-width: 34%;
  --font: "DM Sans", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  /* Scrollbars — alignées page Paramètres (teal fin) */
  --kc-scrollbar-size: 9px;
  --kc-scrollbar-track: rgba(255, 255, 255, 0.03);
  --kc-scrollbar-thumb: rgba(62, 232, 207, 0.28);
  --kc-scrollbar-thumb-hover: rgba(62, 232, 207, 0.45);
  --kc-scrollbar-fg: rgba(62, 232, 207, 0.35);
  --kc-scrollbar-bg: rgba(255, 255, 255, 0.04);
}

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

html, body {
  margin: 0;
  height: 100%;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

body {
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(45, 212, 191, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 90% 100%, rgba(167, 139, 250, 0.06), transparent),
    var(--bg);
}

/* Zones scroll — style Paramètres (teal fin). Nouvelle zone : classe `.kc-scrollbar` + liste ci-dessous. */
.kc-scrollbar,
:is(
  .messages,
  .thread-list,
  .sidebar-inner,
  .docs-list,
  .docs-detail,
  .pane-index,
  .index-grid,
  .index-tree,
  .index-treemap,
  .index-section,
  .index-journal,
  .index-file-preview-body,
  .index-validation-report,
  .discovered-list,
  .add-entries-list,
  .add-source-dialog form,
  .settings-page-main,
  .settings-alerts-history,
  .calbot-messages,
  .calbot-float-briefing,
  .calbot-mail-alerts-body,
  .mail-scroll,
  .mail-detail-body,
  .mail-detail-content,
  .mail-reading-body,
  .mail-assist-settings-body,
  .mail-compose-textarea
) {
  scrollbar-width: thin;
  scrollbar-color: var(--kc-scrollbar-fg) var(--kc-scrollbar-bg);
}

.kc-scrollbar::-webkit-scrollbar,
:is(
  .messages,
  .thread-list,
  .sidebar-inner,
  .docs-list,
  .docs-detail,
  .pane-index,
  .index-grid,
  .index-tree,
  .index-treemap,
  .index-section,
  .index-journal,
  .index-file-preview-body,
  .index-validation-report,
  .discovered-list,
  .add-entries-list,
  .add-source-dialog form,
  .settings-page-main,
  .settings-alerts-history,
  .calbot-messages,
  .calbot-float-briefing,
  .calbot-mail-alerts-body,
  .mail-scroll,
  .mail-detail-body,
  .mail-detail-content,
  .mail-reading-body,
  .mail-assist-settings-body,
  .mail-compose-textarea
)::-webkit-scrollbar {
  width: var(--kc-scrollbar-size);
  height: var(--kc-scrollbar-size);
}

.kc-scrollbar::-webkit-scrollbar-track,
:is(
  .messages,
  .thread-list,
  .sidebar-inner,
  .docs-list,
  .docs-detail,
  .pane-index,
  .index-grid,
  .index-tree,
  .index-treemap,
  .index-section,
  .index-journal,
  .index-file-preview-body,
  .index-validation-report,
  .discovered-list,
  .add-entries-list,
  .add-source-dialog form,
  .settings-page-main,
  .settings-alerts-history,
  .calbot-messages,
  .calbot-float-briefing,
  .calbot-mail-alerts-body,
  .mail-scroll,
  .mail-detail-body,
  .mail-detail-content,
  .mail-reading-body,
  .mail-assist-settings-body,
  .mail-compose-textarea
)::-webkit-scrollbar-track {
  background: var(--kc-scrollbar-track);
  border-radius: 999px;
}

.kc-scrollbar::-webkit-scrollbar-thumb,
:is(
  .messages,
  .thread-list,
  .sidebar-inner,
  .docs-list,
  .docs-detail,
  .pane-index,
  .index-grid,
  .index-tree,
  .index-treemap,
  .index-section,
  .index-journal,
  .index-file-preview-body,
  .index-validation-report,
  .discovered-list,
  .add-entries-list,
  .add-source-dialog form,
  .settings-page-main,
  .settings-alerts-history,
  .calbot-messages,
  .calbot-float-briefing,
  .calbot-mail-alerts-body,
  .mail-scroll,
  .mail-detail-body,
  .mail-detail-content,
  .mail-reading-body,
  .mail-assist-settings-body,
  .mail-compose-textarea
)::-webkit-scrollbar-thumb {
  background: var(--kc-scrollbar-thumb);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

.kc-scrollbar::-webkit-scrollbar-thumb:hover,
:is(
  .messages,
  .thread-list,
  .sidebar-inner,
  .docs-list,
  .docs-detail,
  .pane-index,
  .index-grid,
  .index-tree,
  .index-treemap,
  .index-section,
  .index-journal,
  .index-file-preview-body,
  .index-validation-report,
  .discovered-list,
  .add-entries-list,
  .add-source-dialog form,
  .settings-page-main,
  .settings-alerts-history,
  .calbot-messages,
  .calbot-float-briefing,
  .calbot-mail-alerts-body,
  .mail-scroll,
  .mail-detail-body,
  .mail-detail-content,
  .mail-reading-body,
  .mail-assist-settings-body,
  .mail-compose-textarea
)::-webkit-scrollbar-thumb:hover {
  background: var(--kc-scrollbar-thumb-hover);
  background-clip: padding-box;
}

.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-height: 100dvh;
  overflow: hidden;
}

.app-topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.55rem max(1rem, env(safe-area-inset-right, 0px)) 0.55rem max(1rem, env(safe-area-inset-left, 0px));
  padding-top: max(0.55rem, env(safe-area-inset-top, 0px));
  border-bottom: 1px solid var(--border);
  background: rgba(10, 12, 18, 0.95);
  backdrop-filter: blur(12px);
  flex-shrink: 0;
  z-index: 20;
}

.app-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 10rem;
}

.app-brand-name {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.app-topbar-spacer {
  flex: 1;
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.auth-user-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  max-width: 8rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-logout {
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  font: inherit;
  font-size: 0.72rem;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}

.btn-logout:hover {
  color: #f87171;
  background: rgba(248, 113, 113, 0.1);
  border-color: rgba(248, 113, 113, 0.35);
}

.btn-logout-block {
  width: 100%;
  margin-top: 0.35rem;
}

.panel-auth {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
}

.sidebar-auth-user {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.topbar-status {
  font-size: 0.72rem;
  color: var(--text-muted);
  max-width: 28rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex-shrink: 1;
  min-width: 0;
}

.langfuse-traces-link {
  flex-shrink: 0;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  opacity: 0.45;
  text-decoration: none;
  padding: 0.15rem 0.35rem;
  border-radius: var(--radius-sm);
  transition: opacity 0.15s, color 0.15s, background 0.15s;
}

.langfuse-traces-link:hover {
  opacity: 1;
  color: var(--accent);
  background: rgba(255, 255, 255, 0.05);
}

.ctx-langfuse-link {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.ctx-langfuse-link:hover {
  color: var(--accent);
}

.topbar-overflow {
  display: none;
  position: relative;
  flex-shrink: 0;
}

.view-tabs {
  display: flex;
  gap: 0.35rem;
}

.view-tab {
  position: relative;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}

.view-tab:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.view-tab.active {
  color: var(--teal);
  background: var(--teal-dim);
  border-color: rgba(62, 232, 207, 0.25);
}

.tab-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 1rem;
  height: 1rem;
  padding: 0 0.3rem;
  border-radius: 999px;
  background: var(--amber);
  color: #1a1400;
  font-size: 0.58rem;
  font-weight: 700;
  line-height: 1rem;
  text-align: center;
}

.hidden {
  display: none !important;
}

.btn-topbar {
  display: none;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}

.btn-topbar:hover,
.btn-topbar[aria-expanded="true"] {
  color: var(--teal);
  background: var(--teal-dim);
  border-color: rgba(62, 232, 207, 0.35);
}

.sidebar-backdrop {
  display: none;
}

.app-body {
  flex: 1;
  min-height: 0;
  display: grid;
  overflow: hidden;
}

/* Chat : css/chat.css */

/* Documentation : css/docs.css */

/* Index : css/index.css */

/* Contrôles partagés (mail, paramètres, sidebar, index…) */
.btn-index-primary,
.btn-index-secondary {
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
  border: 1px solid var(--border);
}

.btn-index-primary {
  background: var(--teal-dim);
  color: var(--teal);
  border-color: rgba(62, 232, 207, 0.35);
}

.btn-index-secondary {
  background: var(--bg-elevated);
  color: var(--text-muted);
}

.btn-index-mini {
  padding: 0.25rem 0.5rem;
  font: inherit;
  font-size: 0.62rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  cursor: pointer;
}

.btn-index-mini:hover {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
}

.input-text {
  width: 100%;
  padding: 0.45rem 0.55rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  font-family: inherit;
  font-size: 0.82rem;
}

.field-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}


.pane-chat,
.pane-docs {
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}


.splitter-docs[hidden] {
  display: none !important;
}

.splitter {
  position: relative;
  z-index: 10;
  background: rgba(255, 255, 255, 0.04);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  cursor: col-resize;
  touch-action: none;
  transition: background 0.15s;
}

.splitter:hover,
.splitter.dragging {
  background: var(--teal-dim);
}

.splitter-grip {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 4px;
  height: 48px;
  border-radius: 4px;
  background: repeating-linear-gradient(
    to bottom,
    var(--text-muted) 0,
    var(--text-muted) 2px,
    transparent 2px,
    transparent 5px
  );
  opacity: 0.5;
}

.splitter:hover .splitter-grip,
.splitter.dragging .splitter-grip {
  opacity: 1;
}

/* Sidebar : css/sidebar.css · Formulaires : css/forms.css */

/* Recherche web : css/web-search.css */

/* Voix : css/voice.css */

@media (max-width: 768px), (max-height: 520px) {
  .topbar-status { display: none; }

  .app.view-chat .btn-topbar {
    display: inline-flex;
  }

  .app-brand {
    min-width: 0;
    flex: 1;
  }

  .app-brand-name {
    font-size: 0.82rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .view-tabs {
    flex-shrink: 0;
    gap: 0.2rem;
    max-width: 52vw;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    scroll-snap-type: x proximity;
    mask-image: linear-gradient(
      90deg,
      transparent 0,
      #000 10px,
      #000 calc(100% - 14px),
      transparent 100%
    );
  }

  .view-tabs::-webkit-scrollbar {
    display: none;
  }

  .view-tab {
    scroll-snap-align: start;
  }

  .topbar-user.topbar-user--inline,
  .langfuse-traces-link.topbar-user--inline {
    display: none !important;
  }

  .topbar-overflow {
    display: flex;
    position: relative;
    flex-shrink: 0;
  }

  .btn-topbar-menu {
    display: inline-flex !important;
    font-size: 1.15rem;
    line-height: 1;
    letter-spacing: 0.02em;
  }

  .topbar-overflow-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    z-index: 130;
    min-width: 11.5rem;
    padding: 0.35rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: rgba(12, 14, 20, 0.98);
    box-shadow: var(--shadow), 0 12px 40px rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(12px);
  }

  .topbar-overflow-menu[hidden] {
    display: none !important;
  }

  .topbar-overflow-menu-label {
    padding: 0.45rem 0.55rem 0.35rem;
    font-size: 0.72rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    margin-bottom: 0.25rem;
    word-break: break-word;
  }

  .topbar-overflow-menu-item {
    display: block;
    width: 100%;
    padding: 0.55rem 0.65rem;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--text);
    font: inherit;
    font-size: 0.82rem;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
  }

  .topbar-overflow-menu-item:hover {
    background: var(--bg-hover);
  }

  .topbar-overflow-menu-item--danger {
    color: #f87171;
  }

  .view-tab {
    padding: 0.45rem 0.65rem;
    font-size: 0.72rem;
    white-space: nowrap;
    min-height: 2.5rem;
  }

  .btn-ghost,
  .btn-index-mini {
    min-height: 2.5rem;
  }

  .calbot-float-panel:not(.calbot-float-panel--mail-compose) {
    left: max(0.5rem, env(safe-area-inset-left, 0px)) !important;
    right: max(0.5rem, env(safe-area-inset-right, 0px)) !important;
    width: auto !important;
    max-width: none;
    max-height: min(85dvh, calc(100dvh - env(safe-area-inset-top, 0px) - 3.5rem));
  }

  .calbot-messages {
    max-height: min(42dvh, 320px);
  }

  .index-file-preview:not(.index-file-preview-fullscreen) {
    max-height: min(58vh, 520px);
  }

  .index-file-preview:not(.index-file-preview-fullscreen).index-file-preview--landscape-sheet {
    max-height: min(92dvh, 640px);
  }

  #question-input,
  .select,
  .input-text,
  .index-viz-search {
    font-size: 16px;
  }

  .btn-index-mini,
  .btn-ghost,
  .stt-stack-actions .btn-index-mini {
    min-height: 2.5rem;
    padding-top: 0.4rem;
    padding-bottom: 0.4rem;
  }
}

@media (max-width: 420px) {
  .app-brand-name {
    display: none;
  }

  .view-tabs {
    max-width: 62vw;
  }
}


/* CalBot : css/calbot.css · Chat : css/chat.css · Sidebar : css/sidebar.css · Voix : css/voice.css · Forms : css/forms.css · Web : css/web-search.css · Index : css/index.css · Docs : css/docs.css · Paramètres : css/settings.css */