/* ==========================================================================
   OfficeCollab — design tokens
   ========================================================================== */
:root {
  --bg: #f5f6fa;
  --bg-grad: radial-gradient(1200px 500px at 85% -10%, #eef0ff 0%, transparent 60%), #f5f6fa;
  --surface: #ffffff;
  --surface-2: #f8f9fc;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e3e7ef;
  --border-strong: #cfd6e3;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-soft: #eef0ff;
  --accent-ring: rgba(79, 70, 229, .22);
  --word: #2b5bd7;
  --cell: #13854b;
  --slide: #d2491f;
  --danger: #dc2626;
  --pill: #eef0ff;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 6px 20px -8px rgba(15, 23, 42, .10);
  --shadow-lg: 0 18px 50px -12px rgba(15, 23, 42, .25);
  --radius: 12px;
  --radius-sm: 9px;
  --font: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Roboto, Arial, sans-serif;
  --font-display: "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1017;
    --bg-grad: radial-gradient(1200px 500px at 85% -10%, #1b1d3a 0%, transparent 60%), #0d1017;
    --surface: #151922;
    --surface-2: #1a1f2a;
    --text: #e7eaf0;
    --muted: #94a0b4;
    --border: #262c38;
    --border-strong: #343c4b;
    --accent: #818cf8;
    --accent-hover: #a5b4fc;
    --accent-soft: #1f2340;
    --accent-ring: rgba(129, 140, 248, .3);
    --word: #6d9cf5;
    --cell: #4cc27d;
    --slide: #f07a55;
    --danger: #f87171;
    --pill: #1f2340;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px -10px rgba(0, 0, 0, .5);
    --shadow-lg: 0 18px 50px -12px rgba(0, 0, 0, .6);
  }
}

/* ==========================================================================
   Base
   ========================================================================== */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; min-height: 100vh; background: var(--bg-grad); background-attachment: fixed; color: var(--text);
  font: 15px/1.5 var(--font); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
h1, h2, h3 { font-family: var(--font-display); letter-spacing: -.01em; }
h1 { font-size: 1.5rem; font-weight: 650; margin: 0 0 16px; }
h2 { font-size: 1.1rem; font-weight: 600; margin: 0 0 12px; }
::selection { background: var(--accent-ring); }
:focus-visible { outline: 3px solid var(--accent-ring); outline-offset: 2px; border-radius: 6px; }

/* ==========================================================================
   Top bar
   ========================================================================== */
.topbar { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 10px 28px; background: color-mix(in srgb, var(--surface) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(12px); -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--border); }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 650 1.05rem var(--font-display); color: var(--text);
  letter-spacing: -.01em; }
.brand:hover { color: var(--text); }
.mark { display: inline-block; width: 30px; height: 30px; flex: none; filter: drop-shadow(0 4px 8px rgba(79, 70, 229, .35)); }
.topbar nav { display: flex; align-items: center; gap: 6px; }
.topbar form { margin: 0; }
.nav-link { color: var(--muted); padding: 7px 12px; border-radius: 8px; font-weight: 500; }
.nav-link:hover { color: var(--text); background: var(--surface-2); }

.user-menu { position: relative; margin-left: 6px; }
.user-menu summary { list-style: none; display: flex; align-items: center; gap: 8px; cursor: pointer;
  padding: 4px 8px 4px 4px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); }
.user-menu summary::-webkit-details-marker { display: none; }
.user-menu summary:hover { border-color: var(--border-strong); }
.user-menu .me { color: var(--text); font-weight: 500; font-size: .9rem; max-width: 160px; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; }
.user-menu .caret { color: var(--muted); font-size: .7rem; }
.user-menu-panel { position: absolute; right: 0; top: calc(100% + 8px); min-width: 230px; padding: 6px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; animation: pop .12s ease-out; }
.user-menu-panel a, .user-menu-panel button.plain { padding: 8px 10px; border-radius: 8px; color: var(--text); font-size: .92rem; }
.user-menu-panel a:hover, .user-menu-panel button.plain:hover { background: var(--surface-2); }
.user-menu-head { display: flex; align-items: center; gap: 10px; padding: 8px 10px 10px; margin-bottom: 4px;
  border-bottom: 1px solid var(--border); }
@keyframes pop { from { opacity: 0; transform: translateY(-4px) scale(.98); } }

/* ==========================================================================
   Layout & surfaces
   ========================================================================== */
main { max-width: 1160px; margin: 28px auto 48px; padding: 0 20px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; margin-bottom: 20px; box-shadow: var(--shadow); }
.flash { background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  color: var(--text); border-radius: var(--radius-sm); padding: 11px 14px; margin-bottom: 18px; font-size: .93rem;
  animation: pop .18s ease-out; }
.notice { color: var(--muted); }
.error { color: var(--danger); }
.empty { color: var(--muted); text-align: center; padding: 40px 0; }

/* ==========================================================================
   Form controls
   ========================================================================== */
input, select, textarea { font: inherit; color: inherit; background: var(--surface); border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); padding: 9px 12px; transition: border-color .15s, box-shadow .15s; }
input::placeholder, textarea::placeholder { color: color-mix(in srgb, var(--muted) 75%, transparent); }
input:hover, select:hover, textarea:hover { border-color: color-mix(in srgb, var(--accent) 35%, var(--border-strong)); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-ring); }
input[type=checkbox], input[type=radio] { accent-color: var(--accent); width: 16px; height: 16px; padding: 0; box-shadow: none; }
button { font: inherit; font-weight: 500; cursor: pointer; border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text); padding: 8px 14px; transition: background .15s, border-color .15s, box-shadow .15s, transform .05s; }
button:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--border-strong)); background: var(--surface-2); }
button:active { transform: translateY(1px); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff;
  box-shadow: 0 1px 2px rgba(15, 23, 42, .1), inset 0 1px 0 rgba(255, 255, 255, .15); }
button.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
button.block { width: 100%; padding: 11px 16px; font-size: 1rem; }
button.danger { color: var(--danger); }
button.link { border: 0; background: none; color: var(--accent); padding: 0; }
button.link:hover { background: none; color: var(--accent-hover); }

.login { max-width: 400px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.login label, .grid label { display: flex; flex-direction: column; gap: 6px; color: var(--muted); font-size: .88rem; font-weight: 500; }
.login input { padding: 11px 13px; font-size: .98rem; }

/* ==========================================================================
   Library: new-document tiles, upload, search
   ========================================================================== */
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin: 4px 0 20px; flex-wrap: wrap; }
.page-head h1 { margin: 0; font-size: 1.7rem; }
.page-head p { margin: 4px 0 0; color: var(--muted); }
.toolbar { display: grid; grid-template-columns: repeat(3, minmax(170px, 1fr)) minmax(260px, 1.6fr); gap: 14px; margin-bottom: 26px; }
.new { display: contents; }
.new form { margin: 0; }
.new-btn { width: 100%; height: 100%; display: flex; align-items: center; gap: 12px; text-align: left; padding: 14px 16px;
  background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); font-weight: 600; }
.new-btn:hover { border-color: var(--border-strong); box-shadow: var(--shadow); background: var(--surface); transform: translateY(-1px); }
.new-btn .tile-icon { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; color: #fff;
  font-weight: 700; font-size: .95rem; flex: none; }
.new-btn.word .tile-icon { background: linear-gradient(135deg, #3b82f6, var(--word)); }
.new-btn.cell .tile-icon { background: linear-gradient(135deg, #22c55e, var(--cell)); }
.new-btn.slide .tile-icon { background: linear-gradient(135deg, #fb923c, var(--slide)); }
.new-btn .tile-text { display: flex; flex-direction: column; line-height: 1.25; }
.new-btn .tile-text small { color: var(--muted); font-weight: 400; font-size: .8rem; }
.upload { margin: 0; min-width: 0; }
.drop { display: flex; align-items: center; justify-content: center; gap: 12px; height: 100%; min-height: 66px;
  border: 1.5px dashed var(--border-strong); border-radius: var(--radius); color: var(--muted); cursor: pointer;
  padding: 10px 16px; text-align: left; background: color-mix(in srgb, var(--surface) 60%, transparent);
  transition: border-color .15s, background .15s, color .15s; font-size: .9rem; }
.drop::before { content: "⇪"; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px;
  background: var(--accent-soft); color: var(--accent); font-size: 1.2rem; flex: none; }
.upload.over .drop, .drop:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

.search { margin-bottom: 14px; position: relative; }
.search input { width: 100%; padding-left: 38px; }
.search::before { content: "⌕"; position: absolute; left: 13px; top: 50%; transform: translateY(-52%); color: var(--muted); font-size: 1.15rem; pointer-events: none; }

.docs { width: 100%; border-collapse: collapse; }
.docs th { text-align: left; font-weight: 500; color: var(--muted); font-size: .85rem;
  border-bottom: 1px solid var(--border); padding: 8px; }
.docs td { border-bottom: 1px solid var(--border); padding: 8px; vertical-align: middle; }
.docs tr:last-child td { border-bottom: 0; }
.doc { color: var(--text); display: inline-flex; align-items: center; gap: 10px; font-weight: 500; }
.icon { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 4px;
  color: #fff; font-size: .75rem; font-weight: 700; flex: none; }
.doc.word .icon { background: var(--word); }
.doc.cell .icon { background: var(--cell); }
.doc.slide .icon { background: var(--slide); }
.pill { display: inline-block; background: var(--pill); border-radius: 999px; padding: 1px 9px;
  font-size: .8rem; margin: 1px 4px 1px 0; }

.actions { width: 40px; position: relative; }
.actions summary { list-style: none; cursor: pointer; padding: 2px 8px; border-radius: 4px; font-weight: 700; }
.actions summary::-webkit-details-marker { display: none; }
.actions summary:hover { background: var(--bg); }
.menu { position: absolute; right: 0; z-index: 5; background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; box-shadow: 0 6px 20px rgba(0,0,0,.15); padding: 8px; min-width: 240px;
  display: flex; flex-direction: column; gap: 6px; }
.menu > a { padding: 4px 6px; }
.menu form { margin: 0; }
.row-actions { display: flex; gap: 12px; align-items: center; }
.row-actions form { margin: 0; }
.inline { display: flex; gap: 6px; margin: 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; align-items: end; }
.grid .check { flex-direction: row; align-items: center; gap: 6px; }

@media (max-width: 700px) {
  .topbar { padding: 10px 16px; }
  .docs th:nth-child(2), .docs td:nth-child(2), .docs th:nth-child(3), .docs td:nth-child(3) { display: none; }
}

.muted { color: var(--muted); }
.small { font-size: .82rem; }
.right { text-align: right; }
.spaced { margin-top: 24px; }
.wrap { flex-wrap: wrap; }
select { font: inherit; color: inherit; background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; padding: 7px 10px; max-width: 100%; }
.tag { display: inline-block; margin-left: 8px; font-size: .72rem; color: var(--muted);
  border: 1px solid var(--border); border-radius: 4px; padding: 0 5px; vertical-align: middle; }

.tabs { display: flex; gap: 4px; overflow-x: auto; }
.tabs a { padding: 9px 16px; border: 1px solid transparent; border-bottom: 0; border-radius: 8px 8px 0 0;
  color: var(--muted); white-space: nowrap; }
.tabs a:hover { text-decoration: none; color: var(--text); }
.tabs a.active { background: var(--surface); border-color: var(--border); color: var(--text); font-weight: 600;
  position: relative; top: 1px; }
.card.tabbed { border-top-left-radius: 0; }

/* --- admin panel --- */
.admin { display: grid; grid-template-columns: 200px 1fr; gap: 24px; align-items: start; }
.admin-nav { display: flex; flex-direction: column; gap: 2px; position: sticky; top: 16px; }
.admin-title { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted);
  padding: 0 12px 8px; }
.admin-nav a { padding: 8px 12px; border-radius: 6px; color: var(--text); }
.admin-nav a:hover { background: var(--surface); text-decoration: none; }
.admin-nav a.active { background: var(--surface); border: 1px solid var(--border); font-weight: 600; }
.admin-nav a.back { margin-top: 16px; color: var(--muted); font-size: .9rem; }
.admin-main { min-width: 0; }
.admin-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 16px; }
.admin-head h1 { margin: 0; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat { display: flex; flex-direction: column; gap: 2px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 16px; color: var(--text); }
a.stat:hover { border-color: var(--accent); text-decoration: none; }
.stat-value { font-size: 1.7rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.stat-label { font-weight: 500; }
.stat-sub { color: var(--muted); font-size: .8rem; }
.two-col { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 20px; }
.two-col .card { margin-bottom: 0; }

.credential { border-color: var(--accent); }
.cred-grid { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 12px 0 16px; align-items: center; }
.cred-grid code { font-size: 1rem; background: var(--bg); padding: 3px 8px; border-radius: 4px; justify-self: start;
  user-select: all; word-break: break-all; }

.who { display: flex; align-items: center; gap: 10px; }
.avatar { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; flex: none;
  background: var(--pill); color: var(--accent); font-weight: 600; }
button.plain { border: 0; background: none; padding: 4px 6px; text-align: left; width: 100%; }
button.plain:hover { background: var(--bg); }

dialog.card { border: 1px solid var(--border); color: var(--text); width: min(420px, calc(100vw - 32px)); padding: 24px; }
dialog::backdrop { background: rgba(0, 0, 0, .35); }
.stack { display: flex; flex-direction: column; gap: 12px; }
.stack label { display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: .9rem; }
.stack label.check { flex-direction: row; align-items: center; gap: 6px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 4px; }

@media (max-width: 800px) {
  .admin { grid-template-columns: 1fr; }
  .admin-nav { position: static; flex-direction: row; flex-wrap: wrap; }
  .admin-nav a.back { margin-top: 0; }
  .admin-title { display: none; }
  .users th:nth-child(3), .users td:nth-child(3), .users th:nth-child(4), .users td:nth-child(4) { display: none; }
}

/* --- shared additions --- */
:root { --ok: #107c41; --warn: #9a5b00; --warn-bg: #fff4e0; --danger-bg: #fde7e9; --ok-bg: #e6f4ea;
  --grid: #e7eaee; --chart: #0f6cbd; --chart-hover: #0b5394; }
@media (prefers-color-scheme: dark) {
  :root { --ok: #4cc27d; --warn: #f0b252; --warn-bg: #3a2f1c; --danger-bg: #3d2224; --ok-bg: #1d3325;
    --grid: #2d3137; --chart: #4ba0f0; --chart-hover: #7dbbf5; }
}
a.button, .button { display: inline-block; font: inherit; border: 1px solid var(--border); border-radius: 6px;
  background: var(--surface); color: var(--text); padding: 7px 12px; }
a.button:hover { text-decoration: none; border-color: var(--accent); }
a.button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.center { text-align: center; }
.nowrap { white-space: nowrap; }
.num { font-variant-numeric: tabular-nums; }
.indent { margin: 0 0 8px 24px; }
.grow { flex: 1; min-width: 0; }
.spaced-top { margin-top: 20px; }
hr { border: 0; border-top: 1px solid var(--border); margin: 16px 0; }
.narrow { max-width: 560px; margin-inline: auto; }
.ok-text { color: var(--ok); }
.danger-text { color: var(--danger); }
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.warn { background: var(--warn-bg); color: var(--warn); }
.pill.danger { background: var(--danger-bg); color: var(--danger); }
.badges { display: flex; flex-wrap: wrap; gap: 4px; }
.badges .pill { margin: 0; }
tr.dim td { opacity: .6; }
tr.bad td:first-child { box-shadow: inset 3px 0 0 var(--danger); }
.error-box, .ok-box, .notice-box { border-radius: 6px; padding: 10px 14px; margin: 0 0 16px; }
.error-box { background: var(--danger-bg); color: var(--danger); }
.ok-box { background: var(--ok-bg); color: var(--ok); }
.notice-box { background: var(--warn-bg); color: var(--warn); }

.alert { display: flex; justify-content: space-between; gap: 12px; padding: 10px 14px; border-radius: 8px;
  margin-bottom: 8px; color: var(--text); border: 1px solid var(--border); background: var(--surface); }
.alert:hover { text-decoration: none; border-color: var(--accent); }
.alert.danger { background: var(--danger-bg); border-color: transparent; }
.alert.warn { background: var(--warn-bg); border-color: transparent; }
.alert span { color: var(--muted); }

.meter { height: 8px; border-radius: 4px; background: var(--pill); overflow: hidden; margin: 6px 0; }
.meter span { display: block; height: 100%; background: var(--accent); border-radius: 4px; }
.meter.full span, .full .meter span, .meter span.full { background: var(--danger); }
.meter.tiny { height: 4px; width: 90px; margin: 3px 0 0; }
.quota-line { display: flex; align-items: center; gap: 12px; margin: -8px 0 16px; }
.quota-line .meter { width: 160px; margin: 0; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; align-items: center; }
.filters input[name=q] { flex: 1; min-width: 180px; }
.bulkbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 8px 0 12px;
  border-bottom: 1px solid var(--border); margin-bottom: 4px; }
.pager { display: flex; justify-content: center; gap: 16px; padding-top: 16px; }
.segmented { display: flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.segmented a { padding: 6px 12px; color: var(--text); }
.segmented a.active { background: var(--accent); color: #fff; }
.segmented a:hover { text-decoration: none; }

.who.big .avatar { width: 48px; height: 48px; font-size: 1.3rem; }
.who.big h1 { margin: 0; }
a.who { color: var(--text); }
a.who:hover { text-decoration: none; }
.stat-value.small-value { font-size: 1.05rem; padding: 8px 0 7px; }
.action-list { display: flex; flex-direction: column; gap: 10px; }
.action-list form { margin: 0; }
.danger-zone { border-color: var(--danger); }
.checks { border: 1px solid var(--border); border-radius: 6px; padding: 8px 12px; display: flex; flex-wrap: wrap;
  gap: 4px 16px; margin: 0; }
.checks legend { color: var(--muted); font-size: .9rem; padding: 0 4px; }
.checks.scroll { max-height: 240px; overflow-y: auto; flex-direction: column; flex-wrap: nowrap; }
.checks .check, label.check { display: flex; flex-direction: row; align-items: center; gap: 6px; color: var(--text); }
.stack label .small, .grid label .small, .settings-form label .small { color: var(--muted); font-size: .8rem; }
.settings-form { display: flex; flex-direction: column; gap: 10px; }
.settings-form > label { display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: .9rem; max-width: 560px; }
.settings-form > label.check { font-size: 1rem; flex-direction: row; align-items: center; color: var(--text); }
.settings-form input[type=number] { max-width: 220px; }
.settings-form h2 { margin-bottom: 4px; }
.settings-form .grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); align-items: start; }
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 8px 16px; margin: 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; }
.audit td { vertical-align: top; }

/* two-step verification */
.steps { padding-left: 20px; display: flex; flex-direction: column; gap: 10px; }
.qr { background: #fff; display: inline-block; padding: 8px; border-radius: 8px; margin: 10px 0 4px; }
.qr svg { display: block; }
code.secret { word-break: break-all; font-size: .95rem; }
.code-input { font-size: 1.5rem; letter-spacing: .3em; width: 12.5rem; max-width: 100%; padding: 10px 6px 10px calc(6px + .3em);
  text-align: center; font-variant-numeric: tabular-nums; font-weight: 600; }
.code-input::placeholder { letter-spacing: .3em; opacity: .45; }
.code-input.small-input { font-size: 1.05rem; letter-spacing: .2em; width: 9.5rem; padding: 8px 6px 8px calc(6px + .2em); font-weight: 500; }
.code-input.small-input::placeholder { letter-spacing: normal; }
.login .code-input { width: 100%; font-size: 1.7rem; letter-spacing: .35em; font-weight: 600;
  padding: 12px 8px 12px calc(8px + .35em); text-align: center; }
.codes { display: grid; grid-template-columns: repeat(2, max-content); gap: 8px 24px; margin: 16px 0; }
.codes code { font-size: 1.1rem; background: var(--bg); padding: 4px 10px; border-radius: 4px; }
@media print { .topbar, .inline { display: none; } }

/* --- charts --- */
.colchart { display: grid; grid-template-columns: 36px 1fr; grid-template-rows: 200px auto; gap: 0 8px; margin: 16px 0 8px; }
.y-axis { position: relative; }
.y-axis span { position: absolute; right: 0; transform: translateY(50%); font-size: .75rem; color: var(--muted);
  font-variant-numeric: tabular-nums; }
.plot { position: relative; display: flex; align-items: flex-end; border-bottom: 1px solid var(--muted); }
.grid-line { position: absolute; left: 0; right: 0; border-top: 1px solid var(--grid); }
.col { flex: 1; height: 100%; display: flex; align-items: flex-end; justify-content: center; position: relative; z-index: 1; }
.col .bar { width: min(24px, calc(100% - 2px)); background: var(--chart); border-radius: 4px 4px 0 0; position: relative; }
.col.hover .bar { background: var(--chart-hover); }
.col .cap { position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%); font-size: .75rem;
  color: var(--text); padding-bottom: 2px; font-weight: 600; }
.x-axis { grid-column: 2; display: flex; }
.x-axis span { flex: 1; text-align: center; font-size: .7rem; color: var(--muted); white-space: nowrap; min-width: 0; }
.table-view { margin-top: 8px; }
.table-view table { max-width: 320px; }
.barlist { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.barrow { display: grid; grid-template-columns: minmax(90px, 38%) 1fr; gap: 10px; align-items: center; padding: 2px 0; }
.barrow .label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .88rem; color: var(--text); }
.barrow .track { display: flex; align-items: center; gap: 6px; min-width: 0; }
.barrow .bar { height: 14px; background: var(--chart); border-radius: 0 4px 4px 0; min-width: 2px; }
.barrow.hover .bar { background: var(--chart-hover); }
.barrow .value { font-size: .78rem; color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
.chart-tip { position: fixed; z-index: 50; pointer-events: none; background: var(--text); color: var(--surface);
  font-size: .8rem; padding: 5px 9px; border-radius: 6px; white-space: nowrap; }

.table-wrap { overflow-x: auto; }
.docs .doc { overflow-wrap: anywhere; }

.provider-box { border: 1px solid var(--border); border-radius: 8px; padding: 12px 16px 16px; margin: 4px 0; }
.provider-box legend { padding: 0 6px; font-weight: 600; }
.provider-box[hidden], .settings-form [data-provider][hidden] { display: none; }

.flash.error { background: var(--danger-bg); color: var(--danger); border-color: var(--danger); font-weight: 500; }
.pw-rules { list-style: none; margin: 4px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 2px 12px; font-size: .8rem; }
.pw-rules li.ok, .pw-match.ok { color: var(--ok); }
.pw-rules li.bad, .pw-match.bad { color: var(--danger); }
.pw-match { font-size: .8rem; margin-top: 2px; min-height: 1em; }
.pw-eye { align-self: flex-start; border: 0; background: none; color: var(--accent); padding: 2px 0; font-size: .8rem; cursor: pointer; }
.shake { animation: shake .35s; }
@keyframes shake { 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }

dialog.card.wide-dialog { width: min(560px, calc(100vw - 32px)); }

.row-actions button, .row-actions a { white-space: nowrap; }
.docs td code { white-space: nowrap; }

:root { --pdf: #b30b00; }
@media (prefers-color-scheme: dark) { :root { --pdf: #ff6f61; } }
.doc.pdf .icon { background: var(--pdf); font-size: .55rem; letter-spacing: -.02em; }

/* ==========================================================================
   Theme refresh — overrides for components defined above
   ========================================================================== */
.tabs { display: flex; flex-wrap: wrap; gap: 4px; padding: 4px; background: color-mix(in srgb, var(--surface-2) 70%, var(--border));
  border-radius: 12px; margin-bottom: 14px; max-width: 100%; width: fit-content; }
.tabs a { white-space: nowrap; }
/* Ayarlardaki API bağlantıları tablosu kartın içinde kalsın: uzun adres satır kırar, düğmeler alta geçer */
.table-scroll { max-width: 100%; overflow-x: auto; }
.conn-table td.url { word-break: break-all; min-width: 8rem; max-width: 15rem; }
.api-help h2 { margin: 0 0 8px; font-size: 1.05rem; }
.api-help p { margin: 0 0 8px; }
.api-help ul { margin: 8px 0; padding-left: 20px; display: grid; gap: 6px; }
.conn-actions { flex-wrap: nowrap; justify-content: flex-end; gap: 8px; white-space: nowrap; }
.tabs a { padding: 7px 14px; border: 0; border-radius: 9px; color: var(--muted); font-weight: 500; font-size: .92rem; }
.tabs a:hover { color: var(--text); }
.tabs a.active { background: var(--surface); color: var(--text); font-weight: 600; box-shadow: var(--shadow-sm); position: static; }
.card.tabbed { border-top-left-radius: var(--radius); }

.docs th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; font-weight: 600; color: var(--muted);
  padding: 10px 10px; border-bottom: 1px solid var(--border); }
.docs td { padding: 11px 10px; border-bottom: 1px solid var(--border); }
.docs tbody tr { transition: background .12s; }
.docs tbody tr:hover { background: var(--surface-2); }
.doc { gap: 12px; font-weight: 550; }
.doc:hover { color: var(--accent); }
.icon { width: 30px; height: 30px; border-radius: 8px; font-size: .78rem; box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .12); }
.doc.word .icon { background: linear-gradient(135deg, #3b82f6, var(--word)); }
.doc.cell .icon { background: linear-gradient(135deg, #22c55e, var(--cell)); }
.doc.slide .icon { background: linear-gradient(135deg, #fb923c, var(--slide)); }
.doc.pdf .icon { background: linear-gradient(135deg, #f87171, var(--pdf)); }
.pill { background: var(--accent-soft); color: var(--accent); font-weight: 500; padding: 2px 10px; }
.tag { border-radius: 6px; padding: 1px 7px; background: var(--surface-2); }

.actions summary { width: 32px; height: 32px; display: grid; place-items: center; padding: 0; border-radius: 8px; color: var(--muted); }
.actions summary:hover { background: var(--surface-2); color: var(--text); }
.menu { border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 6px; animation: pop .12s ease-out; }
.menu > a { padding: 7px 10px; border-radius: 8px; color: var(--text); }
.menu > a:hover { background: var(--surface-2); }

.avatar { background: linear-gradient(135deg, #6366f1, #8b5cf6); color: #fff; font-size: .9rem; }
.avatar.sm { width: 28px; height: 28px; font-size: .8rem; }

/* admin */
.admin { grid-template-columns: 220px 1fr; gap: 28px; }
.admin-nav { top: 84px; }
.admin-nav a { padding: 9px 12px; border-radius: 9px; color: var(--muted); font-weight: 500; border: 1px solid transparent; }
.admin-nav a:hover { background: var(--surface); color: var(--text); }
.admin-nav a.active { background: var(--surface); color: var(--accent); border-color: var(--border); box-shadow: var(--shadow-sm); font-weight: 600; }
.stat { border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; }
.stat-value { font-family: var(--font-display); font-size: 1.85rem; letter-spacing: -.02em; }
a.stat:hover { transform: translateY(-1px); }
.alert { border-radius: var(--radius-sm); }
.segmented { border-radius: 10px; padding: 3px; background: var(--surface-2); gap: 2px; }
.segmented a { border-radius: 8px; }
dialog.card { border-radius: 16px; box-shadow: var(--shadow-lg); }
dialog::backdrop { background: rgba(15, 23, 42, .45); backdrop-filter: blur(3px); }
.meter { background: var(--accent-soft); }
.meter span { background: linear-gradient(90deg, #6366f1, #8b5cf6); }
.error-box { border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent); border-radius: var(--radius-sm); margin: 0; }
.ok-box, .notice-box { border-radius: var(--radius-sm); }

/* password field with an inline show/hide button */
.pw-wrap { position: relative; display: flex; }
.pw-wrap input { flex: 1; padding-right: 64px; min-width: 0; }
.pw-wrap .pw-eye { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); padding: 4px 8px;
  border-radius: 6px; font-size: .78rem; font-weight: 600; color: var(--accent); }
.pw-wrap .pw-eye:hover { background: var(--accent-soft); }

/* ==========================================================================
   Sign-in pages: split layout with a brand panel
   ========================================================================== */
body.auth { display: grid; grid-template-columns: minmax(420px, 1.05fr) minmax(0, 1fr); min-height: 100vh; background: var(--surface); }
.auth-brand { position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(600px 400px at 10% 0%, rgba(255, 255, 255, .18), transparent 60%),
    radial-gradient(500px 500px at 100% 100%, rgba(236, 72, 153, .35), transparent 60%),
    linear-gradient(150deg, #312e81 0%, #4f46e5 45%, #7c3aed 100%); }
.auth-brand::before { content: ""; position: absolute; inset: 0; opacity: .14;
  background-image: linear-gradient(rgba(255, 255, 255, .5) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .5) 1px, transparent 1px);
  background-size: 36px 36px; mask-image: radial-gradient(ellipse at 30% 20%, #000 20%, transparent 75%); }
.auth-brand-inner { position: relative; height: 100%; display: flex; flex-direction: column; padding: 44px 56px; gap: 28px; }
.auth-logo { display: inline-flex; align-items: center; gap: 12px; color: #fff; font: 650 1.15rem var(--font-display); }
.auth-logo:hover { color: #fff; }
.auth-logo .mark { width: 36px; height: 36px; filter: drop-shadow(0 6px 14px rgba(0, 0, 0, .25)); }
.auth-tagline { font: 700 clamp(1.9rem, 3vw, 2.6rem)/1.12 var(--font-display); letter-spacing: -.03em; margin: 24px 0 0; color: #fff; }
.auth-features { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 16px; max-width: 420px; }
.auth-features li { display: flex; gap: 14px; align-items: flex-start; color: rgba(255, 255, 255, .82); font-size: .93rem; line-height: 1.45; }
.auth-features li span { display: grid; place-items: center; width: 34px; height: 34px; flex: none; border-radius: 10px;
  background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .2); color: #fff; font-size: 1rem; }
.auth-features strong { display: block; color: #fff; font-weight: 600; }

/* decorative collaboration scene */
.auth-visual { position: relative; margin-top: auto; height: 230px; max-width: 460px; }
.doc-card { position: absolute; width: 230px; height: 150px; border-radius: 14px; background: #fff; padding: 18px 18px 0 58px;
  box-shadow: 0 24px 50px -16px rgba(15, 10, 60, .55); display: flex; flex-direction: column; gap: 9px; }
.doc-card .badge { position: absolute; left: 16px; top: 16px; width: 30px; height: 30px; border-radius: 8px; display: grid;
  place-items: center; color: #fff; font: 700 .8rem var(--font); }
.doc-card.word .badge { background: linear-gradient(135deg, #3b82f6, #2b5bd7); }
.doc-card.cell .badge { background: linear-gradient(135deg, #22c55e, #13854b); }
.doc-card.slide .badge { background: linear-gradient(135deg, #fb923c, #d2491f); }
.doc-card i { display: block; height: 8px; border-radius: 4px; background: #e6e8f2; }
.doc-card i.short { width: 55%; }
.doc-card i.hl { background: linear-gradient(90deg, #c7d2fe 0 62%, #e6e8f2 62%); }
.doc-card.back { left: 150px; top: 0; transform: rotate(6deg); opacity: .85; }
.doc-card.mid { left: 80px; top: 20px; transform: rotate(-3deg); opacity: .92; }
.doc-card.front { left: 0; top: 56px; }
.cursor { position: absolute; width: 2px; height: 18px; border-radius: 1px; }
.cursor b { position: absolute; left: 0; top: -19px; font: 600 .68rem var(--font); color: #fff; padding: 2px 6px;
  border-radius: 5px 5px 5px 0; white-space: nowrap; }
.cursor.c1 { left: 132px; top: 40px; background: #ec4899; animation: blinkc 1.4s steps(1) infinite; }
.cursor.c1 b { background: #ec4899; }
.cursor.c2 { left: 96px; top: 74px; background: #f59e0b; animation: blinkc 1.4s .7s steps(1) infinite; }
.cursor.c2 b { background: #f59e0b; }
@keyframes blinkc { 50% { opacity: .35; } }
.ai-bubble { position: absolute; z-index: 2; left: 252px; top: 168px; max-width: 250px; padding: 10px 13px; border-radius: 12px 12px 12px 4px;
  background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .28); color: #fff; font-size: .8rem; line-height: 1.4;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: 0 12px 30px -12px rgba(0, 0, 0, .4); }

.auth-main { display: flex; flex-direction: column; justify-content: center; padding: 48px clamp(24px, 6vw, 88px); max-width: none; margin: 0;
  background: var(--surface); }
.auth-main > .card.login, .auth-main > .flash, .auth-main > section, .auth-main > form, .auth-main > .auth-foot { width: 100%; max-width: 400px; margin-left: auto; margin-right: auto; }
.auth-main .card { border: 0; box-shadow: none; padding: 0; background: transparent; margin-bottom: 0; }
.auth-head h1 { font-size: 1.85rem; letter-spacing: -.025em; margin: 0 0 6px; }
.auth-head p { margin: 0; }
.auth-main .login h1 { font-size: 1.7rem; letter-spacing: -.02em; margin-bottom: 0; }
.label-row { display: flex; justify-content: space-between; align-items: baseline; }
.label-row a { font-weight: 500; }
.auth-alt { text-align: center; color: var(--muted); font-size: .92rem; margin: 4px 0 0; }
/* Login page laid out like SesTranskript's: Google first, then the password form, then links */
.sso { display: flex; flex-direction: column; gap: 10px; }
.sso p { margin: 0; }
a.button.google-btn { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%;
  padding: 12px 16px; font-size: 1rem; font-weight: 600; color: var(--text); background: transparent;
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm); }
a.button.google-btn:hover { border-color: var(--accent); background: var(--surface-2); }
.login-alt { border-top: 1px solid var(--border); padding-top: 14px; }
.login-alt > summary { list-style: none; cursor: pointer; font-weight: 600; color: var(--muted); }
.login-alt > summary::-webkit-details-marker { display: none; }
.login-alt > summary::before { content: "▸ "; }
.login-alt[open] > summary { color: var(--text); }
.login-alt[open] > summary::before { content: "▾ "; }
.login-alt > summary:hover { color: var(--text); }
.login-alt > p { margin: 12px 0 0; }
.login-form { display: flex; flex-direction: column; gap: 16px; margin-top: 16px; }
.login-form p { margin: 0; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0 0 16px; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; overflow-wrap: anywhere; }
.auth-foot { margin-top: 36px !important; text-align: center; color: var(--muted); font-size: .8rem; }
.auth-mobile-logo { display: none; }
.auth-main .narrow { max-width: 460px; margin: 0 auto; }

@media (max-width: 920px) {
  body.auth { grid-template-columns: minmax(0, 1fr); }
  .auth-main { min-width: 0; padding-left: 20px; padding-right: 20px; }
  .auth-brand { display: none; }
  .auth-main { justify-content: flex-start; padding-top: 32px; min-height: 100vh;
    background: radial-gradient(800px 300px at 50% -10%, var(--accent-soft), transparent 70%), var(--surface); }
  .auth-mobile-logo { display: flex; align-items: center; justify-content: center; gap: 10px; margin: 0 auto 28px;
    font: 650 1.1rem var(--font-display); }
  .auth-mobile-logo .mark { width: 34px; height: 34px; }
}

/* library tiles stack on small screens */
@media (max-width: 900px) {
  .toolbar { grid-template-columns: 1fr 1fr 1fr; }
  .upload { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .toolbar { grid-template-columns: 1fr; }
  .topbar { padding: 10px 14px; }
  .user-menu .me, .user-menu .caret, .nav-link:first-child { display: none; }
  main { padding: 0 14px; margin-top: 18px; }
}

@media (max-width: 560px) {
  .docs.library th:nth-child(4), .docs.library td:nth-child(4) { display: none; }
  .docs.library .doc { overflow-wrap: break-word; word-break: normal; }
}

/* full-text search results */
.search-head { display: flex; justify-content: space-between; align-items: center; margin: 4px 0 10px; color: var(--muted); }
.search-head strong { color: var(--text); }
.results { list-style: none; margin: 0; padding: 0; }
.results li { padding: 14px 8px; border-bottom: 1px solid var(--border); border-radius: 8px; }
.results li:hover { background: var(--surface-2); }
.results li:last-child { border-bottom: 0; }
.result-title { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.snippet { margin: 6px 0 4px 42px; color: var(--text); font-size: .9rem; line-height: 1.55; }
.results .muted.small { margin-left: 42px; }
mark { background: color-mix(in srgb, #facc15 45%, transparent); color: inherit; border-radius: 3px; padding: 0 2px; }
.store-status { display: flex; gap: 32px; flex-wrap: wrap; padding: 14px 16px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); background: var(--surface-2); margin-bottom: 12px; }
.store-status > div { display: flex; flex-direction: column; gap: 2px; }

/* --- library assistant (/assistant) --- */
.lib-ai { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.lib-log { min-height: 320px; max-height: calc(100vh - 330px); overflow-y: auto; padding: 18px;
  display: flex; flex-direction: column; gap: 12px; }
.lib-welcome { color: var(--muted); }
.lib-welcome p { margin: 0 0 10px; }
.lib-ai .chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.lib-ai .chip { border-radius: 999px; padding: 6px 12px; background: var(--surface); color: var(--text); font-weight: 400; }
.lib-ai .chip:disabled { opacity: .5; cursor: default; }
.lib-ai .msg { line-height: 1.55; overflow-wrap: anywhere; }
.lib-ai .msg.user { align-self: flex-end; max-width: 80%; background: var(--accent); color: #fff;
  padding: 8px 12px; border-radius: 14px 14px 4px 14px; white-space: pre-wrap; }
.lib-ai .msg.assistant { background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; }
.lib-ai .msg.assistant > :first-child { margin-top: 0; }
.lib-ai .msg h2, .lib-ai .msg h3, .lib-ai .msg h4 { font-size: 1rem; margin: 14px 0 6px; }
.lib-ai .msg p { margin: 0 0 8px; }
.lib-ai .msg ul, .lib-ai .msg ol { margin: 0 0 8px; padding-left: 22px; }
.lib-ai .msg code { background: var(--surface); padding: 1px 5px; border-radius: 4px; font-size: .88em; }
.lib-ai .msg pre { background: var(--surface); padding: 8px 10px; border-radius: 6px; overflow-x: auto; }
.lib-ai .msg table { border-collapse: collapse; margin: 6px 0 10px; font-size: .9rem; display: block; overflow-x: auto; }
.lib-ai .msg th, .lib-ai .msg td { border: 1px solid var(--border); padding: 4px 8px; text-align: left; vertical-align: top; }
.lib-ai .msg th { background: var(--accent-soft); }
.lib-ai .msg.error { background: var(--danger-bg); color: var(--danger); border-radius: 10px; padding: 8px 12px; }
.lib-ai .note { color: var(--muted); font-size: .8rem; }
.lib-ai .thinking { color: var(--muted); font-style: italic; }
.lib-ai .typing::after { content: "▍"; animation: lib-blink 1s steps(1) infinite; color: var(--accent); }
@keyframes lib-blink { 50% { opacity: 0; } }
.lib-ai .cite { display: inline-block; min-width: 1.35em; padding: 0 4px; margin: 0 1px; border-radius: 5px;
  background: var(--accent-soft); color: var(--accent); font-size: .75em; font-weight: 600; text-align: center;
  vertical-align: .15em; line-height: 1.5; text-decoration: none; }
.lib-sources { margin-top: 10px; padding-top: 8px; border-top: 1px solid var(--border); }
.lib-sources ol { list-style: none; margin: 4px 0 0; padding: 0; display: flex; flex-direction: column; gap: 3px; }
.lib-sources li { font-size: .9rem; }
.lib-sources li .cite { margin-right: 6px; }
.lib-ai .tools { display: flex; gap: 10px; margin-top: 8px; }
.lib-ai .tools button { border: 0; background: none; color: var(--muted); font-size: .8rem; padding: 0; }
.lib-ai .tools button:hover { color: var(--accent); }
.lib-verify { border-radius: 10px; padding: 8px 12px; font-size: .88rem; }
.lib-verify.ok { background: var(--ok-bg); color: var(--ok); }
.lib-verify.warn { background: var(--warn-bg); color: var(--warn); }
.lib-verify summary { cursor: pointer; font-weight: 500; }
.lib-verify ul { margin: 6px 0 0; padding-left: 20px; color: var(--text); }
.lib-form { display: flex; gap: 8px; align-items: flex-end; padding: 12px 18px 6px; border-top: 1px solid var(--border); }
.lib-form textarea { flex: 1; resize: none; font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm); padding: 9px 11px; max-height: 180px; }
.lib-form textarea:focus { outline: 2px solid var(--accent-ring); border-color: var(--accent); }
.lib-options { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 4px 18px; font-size: .88rem; }
.lib-options label { display: flex; gap: 6px; align-items: center; color: var(--muted); }
.lib-foot { color: var(--muted); font-size: .78rem; margin: 0; padding: 4px 18px 14px; }
@media (max-width: 700px) {
  .lib-log { max-height: none; padding: 12px; }
  .lib-form, .lib-options, .lib-foot { padding-left: 12px; padding-right: 12px; }
}

/* Audio / video documents: player page and transcripts */
:root { --audio: #0e7490; --video: #7c3aed; }
@media (prefers-color-scheme: dark) { :root { --audio: #22b8d4; --video: #a78bfa; } }
.doc.audio .icon { background: linear-gradient(135deg, #06b6d4, var(--audio)); }
.doc.video .icon { background: linear-gradient(135deg, #8b5cf6, var(--video)); }
.media-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; margin-bottom: 14px; }
.media-head .row-actions { margin-left: auto; }
.player { display: block; width: 100%; border-radius: var(--radius-sm); }
video.player { max-height: 70vh; background: #000; }
.error-text { color: var(--danger); }