/* =====================================================================
   Odontos Portal — design system  v2
   Premium dark UI. Inter typeface, layered depth, fluid motion,
   mobile-perfect. Class names are stable across the app.
   Retheme: matches the odontOS (Tetri) demo — periwinkle + Outfit, no effects.
   ===================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg: #0b0f1c;
  --bg-2: #0e1428;
  --bg-elev: #0f1730;
  --panel: #121a30;
  --panel-2: #162038;
  --panel-hover: #1b2542;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #eef2fb;
  --text-dim: #aeb8d4;
  --muted: #7b86a8;
  --accent: #8fb4ff;
  --accent-2: #5d7fc7;
  --accent-3: #b9a8ff;
  --accent-soft: rgba(143, 180, 255, 0.14);
  --accent-line: rgba(143, 180, 255, 0.5);
  --green: #39c08c;
  --amber: #d9b25f;
  --red: #ef5b6b;
  --purple: #b07cff;
  --cyan: #34d3e0;
  --grad: linear-gradient(135deg, #8fb4ff 0%, #5d7fc7 55%, #b9a8ff 100%);
  --radius: 16px;
  --radius-sm: 11px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow: 0 12px 34px rgba(0, 0, 0, 0.42);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.55);
  --sidebar-w: 256px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Outfit', 'Inter', -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  background:
    radial-gradient(1100px 520px at 82% -8%, rgba(143, 180, 255, 0.14), transparent 60%),
    radial-gradient(900px 500px at 0% 0%, rgba(185, 168, 255, 0.08), transparent 55%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font);
  font-size: 14.5px;
  line-height: 1.55;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'cv11', 'ss01';
}
a { color: var(--accent-2); text-decoration: none; transition: color .12s; }
a:hover { color: #aebbff; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.2; margin: 0 0 .4em; letter-spacing: -0.02em; }
img { max-width: 100%; }
::selection { background: rgba(91, 140, 255, 0.32); color: #fff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-thumb { background: #20283a; border-radius: 8px; border: 3px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: #2c3650; background-clip: content-box; }
::-webkit-scrollbar-track { background: transparent; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes pop { from { opacity: 0; transform: translateY(12px) scale(.985); } to { opacity: 1; transform: none; } }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .4; } }

/* ---- Layout ---------------------------------------------------------- */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar-w); flex: 0 0 var(--sidebar-w);
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent), var(--bg-2);
  border-right: 1px solid var(--border);
  padding: 20px 14px; position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column; gap: 4px; z-index: 30;
}
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.content { padding: 26px 36px 72px; max-width: 1320px; width: 100%; margin: 0 auto; animation: fadeUp .34s var(--ease); }

/* ---- Brand ----------------------------------------------------------- */
.brand { display: flex; align-items: center; gap: 11px; padding: 6px 8px 16px; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 11px; background: var(--grad);
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 17px;
  box-shadow: 0 6px 18px rgba(91, 140, 255, 0.5), inset 0 1px 0 rgba(255,255,255,0.25);
}
.brand-name { font-weight: 750; font-size: 15px; letter-spacing: -0.02em; }
.brand-sub { font-size: 10px; letter-spacing: .18em; color: var(--muted); text-transform: uppercase; margin-top: 1px; }

/* ---- Nav ------------------------------------------------------------- */
.nav { display: flex; flex-direction: column; gap: 1px; }
.nav-label { font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); padding: 16px 12px 6px; font-weight: 600; }
.nav-item {
  position: relative; display: flex; align-items: center; gap: 11px;
  padding: 9px 12px; border-radius: 10px; color: var(--text-dim);
  font-weight: 500; font-size: 14px; cursor: pointer; transition: background .14s, color .14s;
}
.nav-item:hover { background: var(--panel); color: var(--text); }
.nav-item.active { background: var(--accent-soft); color: #d4ddff; }
.nav-item.active::before { content: ''; position: absolute; left: -14px; top: 50%; transform: translateY(-50%); width: 3px; height: 20px; border-radius: 0 3px 3px 0; background: var(--grad); }
.nav-item .ic { width: 18px; height: 18px; flex: 0 0 18px; opacity: .92; }
.nav-spacer { flex: 1; min-height: 10px; }
.side-user { border-top: 1px solid var(--border); margin-top: 6px; padding: 12px 8px 2px; display: flex; align-items: center; gap: 10px; border-radius: 10px; transition: background .14s; }
.side-user:hover { background: var(--panel); }
.side-user .name { font-size: 13px; font-weight: 650; }
.side-user .role { font-size: 11px; color: var(--muted); text-transform: capitalize; }

/* ---- Topbar ---------------------------------------------------------- */
.topbar {
  height: 62px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 14px;
  padding: 0 30px; position: sticky; top: 0; z-index: 25;
  background: rgba(7, 9, 15, 0.72); backdrop-filter: saturate(140%) blur(14px); -webkit-backdrop-filter: saturate(140%) blur(14px);
}
.topbar .search { flex: 1; max-width: 480px; position: relative; }
.topbar .search input {
  width: 100%; background: var(--panel); border: 1px solid var(--border); border-radius: 11px;
  padding: 9px 14px; color: var(--text); font-size: 13.5px; transition: border-color .14s, box-shadow .14s, background .14s;
}
.topbar .search input:focus { background: var(--bg-elev); }
.topbar-actions { display: flex; align-items: center; gap: 9px; margin-left: auto; }

/* ---- Avatar ---------------------------------------------------------- */
.avatar { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-size: 12px; font-weight: 700; flex: 0 0 auto; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.14); }
.avatar.sm { width: 24px; height: 24px; font-size: 10px; }
.avatar.lg { width: 46px; height: 46px; font-size: 16px; }

/* ---- Cards ----------------------------------------------------------- */
.card {
  position: relative; background: linear-gradient(180deg, rgba(255,255,255,0.022), transparent 40%), var(--panel);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 20px;
  box-shadow: var(--shadow-sm); transition: border-color .16s, transform .16s, box-shadow .16s;
}
a.card:hover { border-color: var(--border-strong); transform: translateY(-2px); box-shadow: var(--shadow); }
.card.pad-lg { padding: 26px; }
.card-title { font-size: 14.5px; font-weight: 680; margin-bottom: 14px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-main { grid-template-columns: 1.6fr 1fr; align-items: start; }
@media (max-width: 1080px) { .grid-4 { grid-template-columns: repeat(2,1fr); } .grid-3 { grid-template-columns: 1fr; } }

/* ---- Stat cards ------------------------------------------------------ */
.stat { position: relative; overflow: hidden; background: linear-gradient(180deg, rgba(255,255,255,0.025), transparent 45%), var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow-sm); }
.stat .label { font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.stat .value { font-size: 32px; font-weight: 760; margin-top: 6px; letter-spacing: -0.03em; line-height: 1; }
.stat .sub { font-size: 12.5px; color: var(--text-dim); margin-top: 6px; }
.stat .value.green { color: var(--green); }
.stat .stat-ic { position: absolute; top: 16px; right: 16px; width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-2); }

/* ---- Hero ------------------------------------------------------------ */
.hero {
  position: relative; overflow: hidden;
  background: radial-gradient(820px 280px at 88% -50%, rgba(91,140,255,0.28), transparent 62%), linear-gradient(120deg, #151b2c, #10141e);
  border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px 34px; margin-bottom: 22px;
}
.hero::after { content: ''; position: absolute; inset: 0; background: radial-gradient(420px 200px at 100% 120%, rgba(155,108,255,0.18), transparent 60%); pointer-events: none; }
.hero .eyebrow { color: var(--accent-2); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; font-weight: 700; }
.hero h1 { font-size: 31px; margin: 10px 0 8px; }
.hero p { color: var(--text-dim); max-width: 660px; margin: 0; font-size: 15px; }

/* ---- Buttons --------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer; white-space: nowrap;
  border: 1px solid var(--border-strong); background: var(--panel-2); color: var(--text);
  padding: 9px 15px; border-radius: 11px; font-size: 13.5px; font-weight: 620; font-family: inherit;
  transition: background .14s, border-color .14s, transform .06s, box-shadow .14s; text-decoration: none; line-height: 1.1;
}
.btn:hover { background: var(--panel-hover); color: var(--text); }
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary { background: var(--grad); border-color: transparent; color: #fff; box-shadow: 0 6px 18px rgba(91, 140, 255, 0.38); }
.btn-primary:hover { color: #fff; filter: brightness(1.07); box-shadow: 0 8px 24px rgba(91, 140, 255, 0.5); }
.btn-danger { background: rgba(251,93,93,0.12); border-color: rgba(251,93,93,0.36); color: #ffb0b0; }
.btn-danger:hover { background: rgba(251,93,93,0.2); color: #ffc4c4; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-dim); }
.btn-ghost:hover { background: var(--panel); color: var(--text); }
.btn.sm { padding: 6px 11px; font-size: 12.5px; border-radius: 9px; }
.btn.block { width: 100%; justify-content: center; }

/* ---- Forms ----------------------------------------------------------- */
label.field { display: block; margin-bottom: 15px; }
label.field > span { display: block; font-size: 12.5px; color: var(--text-dim); margin-bottom: 7px; font-weight: 550; }
input[type=text], input[type=email], input[type=password], input[type=date],
input[type=number], input[type=search], select, textarea {
  width: 100%; background: var(--bg-elev); border: 1px solid var(--border-strong); border-radius: 11px;
  padding: 10px 13px; color: var(--text); font-size: 14px; font-family: inherit; transition: border-color .14s, box-shadow .14s, background .14s;
}
textarea { resize: vertical; min-height: 92px; line-height: 1.55; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); background: var(--bg-2); }
input::placeholder, textarea::placeholder { color: #5d6678; }
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 18px) 18px, calc(100% - 13px) 18px; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 34px; }
.input-row { display: flex; gap: 12px; flex-wrap: wrap; }
.input-row > * { flex: 1; min-width: 150px; }
.hint { font-size: 12px; color: var(--muted); margin-top: 6px; }
input[type=color] { width: 46px; height: 40px; padding: 3px; background: var(--bg-elev); border: 1px solid var(--border-strong); border-radius: 9px; cursor: pointer; }

/* ---- Badges / chips -------------------------------------------------- */
.chip { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 650; padding: 3px 9px; border-radius: 999px; }
.chip .dot { width: 7px; height: 7px; border-radius: 50%; }
.tag-chip { display: inline-flex; align-items: center; font-size: 11px; padding: 2px 8px; border-radius: 7px; font-weight: 650; line-height: 1.5; }
.pill { font-size: 11px; padding: 3px 10px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--border); color: var(--text-dim); font-weight: 550; }
.priority-flag { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 650; }

/* ---- Tables ---------------------------------------------------------- */
table.tbl { width: 100%; border-collapse: collapse; }
table.tbl th { text-align: left; font-size: 10.5px; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); padding: 10px 12px; border-bottom: 1px solid var(--border); font-weight: 650; }
table.tbl td { padding: 11px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.tbl tr:last-child td { border-bottom: none; }
table.tbl tbody tr { transition: background .12s; }
table.tbl tbody tr:hover td { background: rgba(255,255,255,0.025); }
.scroll-x { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ---- Progress -------------------------------------------------------- */
.progress { height: 7px; background: rgba(255,255,255,0.06); border-radius: 999px; overflow: hidden; }
.progress > i { display: block; height: 100%; background: var(--grad); border-radius: 999px; transition: width .4s var(--ease); }

/* ---- Flash ----------------------------------------------------------- */
.flash-wrap { position: fixed; top: 18px; right: 18px; z-index: 200; display: flex; flex-direction: column; gap: 10px; max-width: 380px; }
.flash { padding: 12px 16px; border-radius: 12px; font-size: 13.5px; box-shadow: var(--shadow-lg); border: 1px solid var(--border-strong); display: flex; gap: 10px; align-items: flex-start; animation: pop .26s var(--ease); backdrop-filter: blur(8px); }
.flash.success { background: rgba(16,42,28,0.92); border-color: rgba(43,213,118,.42); color: #b6f3cf; }
.flash.error { background: rgba(42,20,20,0.92); border-color: rgba(251,93,93,.42); color: #fbc4c4; }
.flash.info { background: rgba(18,32,54,0.92); border-color: rgba(91,140,255,.42); color: #cdd9ff; }
.flash.warning { background: rgba(42,35,16,0.92); border-color: rgba(247,185,85,.42); color: #f5d9a6; }

/* ---- Page header ----------------------------------------------------- */
.page-head { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; flex-wrap: wrap; }
.page-head h1 { font-size: 24px; margin: 0; }
.page-head .spacer { flex: 1; }
.crumbs { font-size: 12.5px; color: var(--muted); margin-bottom: 8px; }
.crumbs a { color: var(--text-dim); }

/* ---- Tabs ------------------------------------------------------------ */
.tabs { display: inline-flex; gap: 3px; background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 4px; }
.tabs a { display: inline-flex; align-items: center; gap: 6px; padding: 7px 13px; border-radius: 9px; font-size: 13px; font-weight: 620; color: var(--text-dim); transition: background .14s, color .14s; }
.tabs a.active { background: var(--accent-soft); color: #d4ddff; }
.tabs a:hover { color: var(--text); }
.tabs a.active:hover { color: #d4ddff; }

/* ---- Kanban ---------------------------------------------------------- */
.board { display: flex; gap: 16px; align-items: flex-start; overflow-x: auto; padding: 4px 2px 22px; -webkit-overflow-scrolling: touch; }
.board-col { flex: 0 0 296px; width: 296px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 16px; padding: 12px; transition: border-color .16s, box-shadow .16s; }
.board-col.drop-hover { border-color: var(--accent-line); box-shadow: 0 0 0 3px var(--accent-soft); }
.board-col-head { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; padding: 2px 4px; }
.board-col-head .count { margin-left: auto; font-size: 11.5px; color: var(--muted); background: var(--panel-2); padding: 1px 8px; border-radius: 999px; font-weight: 600; }
.board-list { display: flex; flex-direction: column; gap: 10px; min-height: 28px; }
.task-card {
  position: relative; background: var(--panel); border: 1px solid var(--border); border-radius: 13px; padding: 12px 13px;
  cursor: grab; transition: border-color .14s, transform .08s, box-shadow .14s; box-shadow: var(--shadow-sm);
}
.task-card:hover { border-color: var(--border-strong); transform: translateY(-1px); box-shadow: var(--shadow); }
.task-card.dragging { opacity: .45; }
.task-card .t-title { font-weight: 600; font-size: 13.8px; margin-bottom: 8px; display: block; color: var(--text); }
.task-card .t-title:hover { color: #fff; }
.task-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.task-tags { display: flex; gap: 5px; flex-wrap: wrap; margin-bottom: 8px; }
.task-foot { display: flex; align-items: center; gap: 8px; margin-top: 10px; }
.task-foot .spacer { flex: 1; }
.subcount { font-size: 11.5px; color: var(--muted); display: inline-flex; gap: 4px; align-items: center; }
.due { font-size: 11.5px; color: var(--text-dim); }
.due.overdue { color: #ffb0b0; }
.add-col { display: grid; place-items: center; min-height: 64px; }
.kebab { background: none; border: none; color: var(--muted); cursor: pointer; padding: 4px 6px; border-radius: 7px; font-size: 16px; line-height: 1; }
.kebab:hover { background: var(--panel-2); color: var(--text); }
.card-menu { position: absolute; right: 8px; top: 36px; z-index: 15; background: var(--panel-2); border: 1px solid var(--border-strong); border-radius: 12px; box-shadow: var(--shadow-lg); padding: 6px; min-width: 180px; animation: pop .14s var(--ease); }
.card-menu .menu-h { font-size: 10.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); padding: 4px 8px; }
.card-menu button { display: flex; align-items: center; gap: 8px; width: 100%; text-align: left; background: none; border: none; color: var(--text-dim); padding: 7px 8px; border-radius: 8px; font-size: 13px; cursor: pointer; font-family: inherit; }
.card-menu button:hover { background: var(--panel-hover); color: var(--text); }

/* ---- Task list (tree) ----------------------------------------------- */
.tasktree { width: 100%; border-collapse: collapse; min-width: 720px; }
.tasktree th { text-align: left; font-size: 10.5px; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); padding: 10px; border-bottom: 1px solid var(--border); font-weight: 650; }
.tasktree td { padding: 9px 10px; border-bottom: 1px solid var(--border); }
.tasktree tr { transition: background .12s; }
.tasktree tr:hover td { background: rgba(255,255,255,0.025); }
.tt-title { display: flex; align-items: center; gap: 8px; }
.tt-toggle { width: 16px; display: inline-block; color: var(--muted); cursor: pointer; user-select: none; font-size: 12px; }
.tt-name { font-weight: 560; }
.tt-name:hover { color: #fff; }

/* ---- Gantt ----------------------------------------------------------- */
.gantt { overflow-x: auto; border: 1px solid var(--border); border-radius: 16px; background: var(--bg-elev); -webkit-overflow-scrolling: touch; }
.gantt-inner { position: relative; }
.gantt-row { display: flex; align-items: stretch; border-bottom: 1px solid var(--border); height: 42px; }
.gantt-row:hover { background: rgba(255,255,255,0.02); }
.gantt-label { flex: 0 0 250px; width: 250px; padding: 0 14px; display: flex; align-items: center; font-size: 13px; border-right: 1px solid var(--border); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; position: sticky; left: 0; background: var(--bg-elev); z-index: 2; }
.gantt-track { position: relative; flex: 1; }
.gantt-bar { position: absolute; top: 10px; height: 22px; border-radius: 7px; background: var(--grad); display: flex; align-items: center; padding: 0 8px; font-size: 11px; color: #fff; overflow: hidden; white-space: nowrap; box-shadow: var(--shadow-sm); }
.gantt-bar .barfill { position: absolute; left: 0; top: 0; bottom: 0; background: rgba(255,255,255,0.24); }
.gantt-head { display: flex; border-bottom: 1px solid var(--border-strong); height: 34px; position: sticky; top: 0; background: var(--bg-elev); z-index: 3; }
.gantt-head .gantt-label { font-weight: 650; color: var(--muted); font-size: 10.5px; text-transform: uppercase; }
.gantt-tick { position: absolute; top: 0; bottom: 0; border-left: 1px solid rgba(255,255,255,0.045); font-size: 10px; color: var(--muted); padding: 4px; }
.gantt-today { position: absolute; top: 0; bottom: 0; width: 2px; background: rgba(251,93,93,0.7); z-index: 1; }

/* ---- Docs ------------------------------------------------------------ */
.docs-layout { display: grid; grid-template-columns: 286px 1fr; gap: 24px; align-items: start; }
.doc-tree { position: sticky; top: 82px; max-height: calc(100vh - 100px); overflow-y: auto; padding-right: 4px; }
.doc-tree .cat { font-size: 10.5px; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); margin: 16px 0 6px; font-weight: 650; }
.doc-tree a { display: block; padding: 6px 11px; border-radius: 9px; color: var(--text-dim); font-size: 13.5px; line-height: 1.4; }
.doc-tree a:hover { background: var(--panel); color: var(--text); }
.doc-tree a.active { background: var(--accent-soft); color: #d4ddff; }

.prose { font-size: 15px; line-height: 1.75; color: var(--text-dim); }
.prose h1, .prose h2, .prose h3 { margin-top: 1.6em; color: var(--text); }
.prose h1 { font-size: 27px; }
.prose h2 { font-size: 21px; border-bottom: 1px solid var(--border); padding-bottom: .3em; }
.prose h3 { font-size: 17px; }
.prose p, .prose li { color: var(--text-dim); }
.prose strong { color: var(--text); }
.prose a { color: var(--accent-2); text-decoration: underline; text-underline-offset: 2px; text-decoration-color: rgba(124,139,255,0.4); }
.prose code { background: var(--bg-elev); padding: 2px 6px; border-radius: 6px; font-family: var(--mono); font-size: .86em; color: #f0b98a; border: 1px solid var(--border); }
.prose pre { background: var(--bg-elev); border: 1px solid var(--border); padding: 14px 16px; border-radius: 12px; overflow-x: auto; }
.prose pre code { background: none; padding: 0; color: var(--text-dim); border: none; }
.prose blockquote { border-left: 3px solid var(--accent); margin: 1em 0; padding: .5em 1em; background: var(--panel); border-radius: 0 10px 10px 0; }
.prose table { border-collapse: collapse; width: 100%; margin: 1.2em 0; font-size: 14px; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--border-strong); padding: 8px 12px; text-align: left; }
.prose th { background: var(--panel-2); color: var(--text); }
.prose hr { border: none; border-top: 1px solid var(--border); margin: 1.8em 0; }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li { margin: .3em 0; }

/* ---- Diff ------------------------------------------------------------ */
.diff { font-family: var(--mono); font-size: 12.8px; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.diff .line { padding: 2px 12px; white-space: pre-wrap; word-break: break-word; }
.diff .add { background: rgba(43,213,118,0.13); color: #b6f3cf; }
.diff .del { background: rgba(251,93,93,0.13); color: #fbc4c4; }
.diff .same { color: var(--muted); }

/* ---- Modal ----------------------------------------------------------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(4,6,11,0.62); backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px);
  z-index: 120; display: flex; align-items: flex-start; justify-content: center; padding: 64px 16px; overflow-y: auto;
  opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .2s var(--ease), visibility .2s;
}
.modal-backdrop.open { opacity: 1; visibility: visible; pointer-events: auto; }
.modal {
  background: var(--panel); border: 1px solid var(--border-strong); border-radius: 18px; width: 100%; max-width: 540px;
  box-shadow: var(--shadow-lg); display: flex; flex-direction: column; max-height: calc(100vh - 120px);
  transform: translateY(14px) scale(.985); transition: transform .22s var(--ease); overflow: hidden;
}
.modal-backdrop.open .modal { transform: none; }
.modal.wide { max-width: 760px; }
.modal-head { padding: 18px 22px; border-bottom: 1px solid var(--border); display: flex; align-items: center; flex: 0 0 auto; }
.modal-head h3 { margin: 0; font-size: 17px; }
.modal-body { padding: 22px; overflow-y: auto; }
.modal-foot { padding: 16px 22px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; flex: 0 0 auto; }
.modal-close { margin-left: auto; cursor: pointer; color: var(--muted); font-size: 22px; background: none; border: none; line-height: 1; transition: color .12s; }
.modal-close:hover { color: var(--text); }

/* ---- Misc ------------------------------------------------------------ */
.row { display: flex; align-items: center; gap: 10px; }
.between { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.wrap { display: flex; flex-wrap: wrap; gap: 10px; }
.muted { color: var(--muted); }
.dim { color: var(--text-dim); }
.small { font-size: 12.5px; }
.mt { margin-top: 16px; } .mt-lg { margin-top: 26px; }
.mb { margin-bottom: 16px; }
.center { text-align: center; }
.empty { text-align: center; color: var(--muted); padding: 46px 20px; }
.empty .big { font-size: 40px; opacity: .55; display: inline-flex; }
.empty h3 { color: var(--text-dim); margin: 12px 0 6px; }
.divider { height: 1px; background: var(--border); margin: 18px 0; }

/* ---- Auth ------------------------------------------------------------ */
.auth-wrap { min-height: 100vh; display: grid; grid-template-columns: 1.05fr 0.95fr; }
.auth-aside { position: relative; overflow: hidden; padding: 56px 52px; display: flex; flex-direction: column; justify-content: space-between;
  background: radial-gradient(700px 360px at 20% 10%, rgba(91,140,255,0.26), transparent 60%), radial-gradient(620px 420px at 90% 100%, rgba(155,108,255,0.22), transparent 60%), var(--bg-2); border-right: 1px solid var(--border); }
.auth-aside .glow { position: absolute; inset: 0; background: radial-gradient(420px 280px at 70% 40%, rgba(124,108,255,0.16), transparent 60%); pointer-events: none; }
.auth-aside h1 { font-size: 34px; line-height: 1.15; max-width: 460px; }
.auth-aside p { color: var(--text-dim); max-width: 440px; font-size: 15px; }
.auth-feature { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 16px; }
.auth-feature .fic { width: 34px; height: 34px; border-radius: 10px; background: var(--accent-soft); color: var(--accent-2); display: grid; place-items: center; flex: 0 0 34px; }
.auth-main { display: grid; place-items: center; padding: 24px; }
.auth-card { width: 100%; max-width: 380px; }
.auth-card .brand { justify-content: flex-start; padding: 0 0 26px; }

/* ---- Assistant ------------------------------------------------------- */
.assist-layout { display: grid; grid-template-columns: 248px 1fr; gap: 18px; align-items: start; }
.assist-threads a { display: block; padding: 9px 12px; border-radius: 10px; font-size: 13px; color: var(--text-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.assist-threads a.active { background: var(--accent-soft); color: #d4ddff; }
.assist-threads a:hover { background: var(--panel); }
.chat { display: flex; flex-direction: column; height: calc(100vh - 210px); min-height: 440px; }
.chat-log { flex: 1; overflow-y: auto; padding: 6px 4px 16px; display: flex; flex-direction: column; gap: 14px; }
.msg { display: flex; gap: 11px; }
.msg .bubble { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 14px; padding: 11px 15px; max-width: 80%; animation: pop .2s var(--ease); }
.msg.user { flex-direction: row-reverse; }
.msg.user .bubble { background: var(--accent-soft); border-color: rgba(91,140,255,0.32); }
.chat-input { display: flex; gap: 10px; padding-top: 12px; border-top: 1px solid var(--border); }
.chat-input textarea { min-height: 46px; max-height: 160px; }
.typing { color: var(--muted); font-size: 13px; padding: 4px 10px; }
.typing::after { content: '▋'; animation: pulse 1s infinite; }

/* ---- Notification badge --------------------------------------------- */
.notif-badge { position: absolute; top: -4px; right: -4px; background: var(--red); color: #fff; font-size: 10px; font-weight: 700; line-height: 1; padding: 2px 5px; border-radius: 999px; border: 2px solid var(--bg); }

/* ---- Keyboard help -------------------------------------------------- */
kbd { display: inline-block; min-width: 20px; text-align: center; font-family: var(--mono); font-size: 11.5px; background: var(--bg-elev); border: 1px solid var(--border-strong); border-bottom-width: 2px; border-radius: 6px; padding: 2px 6px; color: var(--text); }
.kbd-row { display: flex; align-items: center; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border); }
.kbd-row .keys { display: flex; gap: 4px; }

/* ---- Mobile --------------------------------------------------------- */
.only-mobile { display: none; }
.sidebar-backdrop { display: none; position: fixed; inset: 0; background: rgba(4,6,11,0.6); backdrop-filter: blur(3px); z-index: 28; }

@media (max-width: 1080px) { .grid-main, .grid-2 { grid-template-columns: 1fr; } }

@media (max-width: 920px) {
  .auth-wrap { grid-template-columns: 1fr; }
  .auth-aside { display: none; }
  .docs-layout, .assist-layout { grid-template-columns: 1fr; }
  .doc-tree { position: static; max-height: none; border: 1px solid var(--border); border-radius: 14px; padding: 12px; background: var(--bg-elev); margin-bottom: 4px; }
}

@media (max-width: 760px) {
  :root { --sidebar-w: 264px; }
  .only-mobile { display: inline-flex !important; }
  .content { padding: 18px 15px 64px; }
  .topbar { padding: 0 14px; gap: 10px; }
  .topbar .search { max-width: none; }
  .sidebar { position: fixed; left: 0; top: 0; transform: translateX(-100%); transition: transform .24s var(--ease); box-shadow: var(--shadow-lg); }
  body.sidebar-open .sidebar { transform: translateX(0); }
  body.sidebar-open .sidebar-backdrop { display: block; }
  .grid-4, .grid-3, .grid-2, .grid-main { grid-template-columns: 1fr; }
  .hero { padding: 24px 22px; border-radius: 18px; }
  .hero h1 { font-size: 25px; }
  .page-head h1 { font-size: 21px; }
  .page-head .tabs { order: 3; }
  .board { gap: 12px; scroll-snap-type: x mandatory; padding-bottom: 16px; }
  .board-col { flex: 0 0 84vw; width: 84vw; scroll-snap-align: start; }
  /* Modals become bottom sheets */
  .modal-backdrop { padding: 0; align-items: flex-end; }
  .modal { max-width: none; max-height: 88vh; border-radius: 20px 20px 0 0; transform: translateY(100%); }
  .modal-backdrop.open .modal { transform: none; }
  .modal.wide { max-width: none; }
  .stat .value { font-size: 27px; }
}

/* ============================================================
   v3 "sleek": fixed chrome + branded wallpaper/vignette,
   light & dark themes, glass cards with glow-fade borders,
   instrument-panel footer, contained scroll.  (techniques
   ported from the odontOS app design system)
   ============================================================ */

/* --- new tokens (dark defaults; extend :root) --- */
:root{
  --rail: rgba(9,14,26,.74);
  --topbar: rgba(10,16,30,.60);
  --card-bg: rgba(13,19,34,.72);
  --grad-soft: rgba(143,180,255,.13);
  --good: var(--green);
  --glow: 0 0 0 1px rgba(143,180,255,.42), 0 12px 42px -12px rgba(143,180,255,.34);
  --wallpaper: url('../odontOS-bg-dark.png');
  --vignette: linear-gradient(180deg, rgba(6,9,16,.40), rgba(5,8,14,.72)), radial-gradient(120% 95% at 50% -8%, transparent 44%, rgba(4,6,12,.55));
}

/* --- LIGHT theme (boutique-light palette) --- */
html[data-theme="light"]{
  --bg:#eef2fa; --bg-2:#e7edfb; --bg-elev:#f6f8fd;
  --panel:#ffffff; --panel-2:#f3f6fc; --panel-hover:#e9eff8;
  --border:rgba(40,80,130,.14); --border-strong:rgba(40,80,130,.26);
  --text:#0e1830; --text-dim:#4f6485; --muted:#8093b1;
  --accent:#4a6fd0; --accent-ink:#ffffff; --accent-2:#3f63c0; --accent-3:#6f93d8;
  --accent-soft:rgba(74,111,208,.12); --grad-soft:rgba(74,111,208,.12);
  --grad:linear-gradient(135deg,#6f93e8,#4a6fd0);
  --green:#11a86f; --amber:#d98a14; --red:#e23d63; --good:#11a86f;
  --rail:rgba(255,255,255,.80); --topbar:rgba(255,255,255,.68); --card-bg:rgba(255,255,255,.84);
  --shadow-sm:0 8px 20px -12px rgba(30,50,90,.22); --shadow:0 20px 50px -24px rgba(30,50,90,.30); --shadow-lg:0 28px 60px -24px rgba(30,50,90,.38);
  --glow:0 0 0 1px rgba(74,111,208,.40), 0 12px 40px -12px rgba(74,111,208,.30);
  --wallpaper:url('../odontOS-bg-light.png');
  --vignette: repeating-linear-gradient(90deg, transparent 0 2px, rgba(60,90,140,.02) 2px 3px, transparent 3px 30px), radial-gradient(125% 85% at 50% -15%, transparent 64%, rgba(120,140,180,.16));
}

/* --- lock the document; only .content scrolls --- */
html, body{ height:100%; }
body{ overflow:hidden; }

/* --- fixed wallpaper + vignette layers (behind everything) --- */
body::before{ content:''; position:fixed; inset:-4%; z-index:-2; pointer-events:none;
  background:
    radial-gradient(58% 54% at 26% 20%, rgba(143,180,255,.09), transparent 62%),
    radial-gradient(52% 46% at 82% 88%, rgba(120,110,255,.06), transparent 60%),
    var(--wallpaper);
  background-size:cover; background-position:center;
  animation:auroraDrift 50s ease-in-out infinite alternate; }
body::after{ content:''; position:fixed; inset:0; z-index:-1; pointer-events:none; background:var(--vignette); }
@keyframes auroraDrift{ 0%{transform:scale(1) translate(0,0)} 100%{transform:scale(1.07) translate(-1.2%,1%)} }
@media (prefers-reduced-motion:reduce){ body::before{ animation:none } }

/* --- fixed app shell; chrome pinned; only content scrolls --- */
.app-shell{ position:fixed; inset:0; min-height:0; display:flex; }
.sidebar{ position:static; top:auto; height:auto; background:var(--rail);
  backdrop-filter:saturate(150%) blur(16px); -webkit-backdrop-filter:saturate(150%) blur(16px); }
.main{ min-height:0; height:100%; overflow:hidden; }
.topbar{ position:static; top:auto; flex:0 0 auto; background:var(--topbar); }
.content{ flex:1 1 auto; min-height:0; overflow:auto; max-width:none; margin:0;
  padding:26px max(26px, (100% - 1360px)/2) 60px; }

/* --- cards become opaque glass over the wallpaper; glow-fade borders --- */
.card, .stat{ background:var(--card-bg);
  -webkit-backdrop-filter:blur(16px) saturate(1.2); backdrop-filter:blur(16px) saturate(1.2);
  box-shadow:0 14px 34px -24px rgba(0,0,0,.6);
  transition:border-color .22s var(--ease), box-shadow .22s var(--ease), transform .22s var(--ease); }
.card:hover{ border-color:color-mix(in srgb, var(--accent) 34%, var(--border)); box-shadow:var(--glow); }
.stat:hover{ border-color:color-mix(in srgb, var(--accent) 28%, var(--border));
  box-shadow:0 0 0 1px color-mix(in srgb, var(--accent) 16%, transparent), 0 16px 38px -22px rgba(0,0,0,.5); }
.hero{ box-shadow:0 18px 50px -26px rgba(0,0,0,.6); }
html[data-theme="light"] .hero{ background:
  radial-gradient(820px 280px at 88% -50%, rgba(74,111,208,.16), transparent 62%),
  linear-gradient(120deg,#ffffff,#eef3fc); }
html[data-theme="light"] .hero p{ color:var(--text-dim); }
.btn-primary:hover{ box-shadow:var(--glow); }
.search input:focus, input:focus, select:focus, textarea:focus{ box-shadow:0 0 0 3px var(--grad-soft); }

/* --- header: greeting + who's-logged-in chip + theme toggle --- */
.topbar .greet{ font-size:13px; color:var(--text-dim); font-weight:600; white-space:nowrap; }
.topbar .greet b{ color:var(--text); font-weight:720; }
.topbar .me{ display:flex; align-items:center; gap:9px; padding:4px 11px 4px 5px; border-radius:999px; border:1px solid var(--border); background:var(--panel); color:var(--text); text-decoration:none; transition:background .14s, border-color .14s, transform .06s; }
.topbar .me:hover{ background:var(--panel-hover); border-color:var(--border-strong); color:var(--text); }
.topbar .me:active{ transform:translateY(1px); }
.topbar .me .who{ display:flex; flex-direction:column; line-height:1.12; }
.topbar .me .nm{ font-size:12.5px; font-weight:680; }
.topbar .me .rl{ font-size:10px; color:var(--muted); text-transform:capitalize; }
.theme-toggle{ display:grid; place-items:center; width:34px; height:34px; border-radius:10px; border:1px solid var(--border); background:var(--panel); color:var(--text-dim); cursor:pointer; transition:background .14s, border-color .14s, color .14s; }
.theme-toggle:hover{ background:var(--panel-hover); color:var(--text); border-color:var(--border-strong); }
.theme-toggle .ic{ width:16px; height:16px; }
.theme-toggle .sun{ display:none; } html[data-theme="light"] .theme-toggle .sun{ display:block; }
.theme-toggle .moon{ display:block; } html[data-theme="light"] .theme-toggle .moon{ display:none; }

/* --- instrument-panel status footer --- */
.app-footer{ flex:0 0 auto; margin-top:0; height:32px; padding:0 18px; gap:14px;
  display:flex; align-items:center; border-top:1px solid var(--border); background:var(--rail);
  backdrop-filter:saturate(150%) blur(12px); -webkit-backdrop-filter:saturate(150%) blur(12px);
  font-family:var(--mono); font-size:10.5px; font-weight:600; letter-spacing:.16em; text-transform:uppercase; color:var(--muted); }
.app-footer .live{ display:inline-flex; align-items:center; gap:8px; color:var(--text-dim); }
.app-footer .live .d{ width:6px; height:6px; border-radius:50%; background:var(--good); box-shadow:0 0 8px var(--good); }
.app-footer .ftsep{ opacity:.5; }
.app-footer .ftsys{ color:var(--muted); }
.app-footer .right{ margin-left:auto; letter-spacing:.1em; }
.app-footer b{ color:var(--accent); font-weight:700; }

/* --- contained list scroll (no page overflow) --- */
.card-scroll{ max-height:300px; overflow:auto; margin:0 -4px; padding:0 4px; }

/* --- responsive --- */
@media (max-width:980px){ .topbar .greet{ display:none } }
@media (max-width:760px){
  .content{ padding:18px 15px 48px; }
  .app-footer{ padding:0 12px; gap:9px; font-size:9.5px; letter-spacing:.1em; }
  .app-footer .ftsys, .app-footer .ftsep{ display:none; }
}
@media (max-width:640px){ .topbar .me .who{ display:none } .app-footer .right{ font-size:9px; } }

/* ============================================================
   v3.1 — audit fixes: AA contrast, light-mode coverage,
   fixed-shell side-effects, mobile sidebar, reduced-motion
   ============================================================ */

/* theme-aware tokens for previously hard-coded literals */
:root{ --row-hover:rgba(255,255,255,.03); --grid-line:rgba(255,255,255,.05); --active-ink:#d4ddff; --card-bg:rgba(13,19,34,.80); }
html[data-theme="light"]{ --row-hover:rgba(40,80,130,.06); --grid-line:rgba(40,80,130,.10); --active-ink:#243a72; --muted:#5d6e8f; --card-bg:rgba(255,255,255,.90); }

/* opaque-panel fallback where backdrop-filter is unsupported */
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){ .card,.stat{ background:var(--panel); } }

/* hover/active/state colours that must flip with the theme */
table.tbl tbody tr:hover td, .tasktree tr:hover td{ background:var(--row-hover); }
.gantt-row:hover{ background:var(--row-hover); }
.gantt-tick{ border-left-color:var(--grid-line); }
.nav-item.active, .tabs a.active, .tabs a.active:hover, .doc-tree a.active, .assist-threads a.active{ color:var(--active-ink); }
.task-card .t-title:hover, .tt-name:hover{ color:var(--accent); }
.due.overdue, .task-card .due.overdue{ color:var(--red); }
a:hover{ color:var(--accent); }
.btn-danger{ background:color-mix(in srgb, var(--red) 13%, transparent); border-color:color-mix(in srgb, var(--red) 36%, transparent); color:var(--red); }
.btn-danger:hover{ background:color-mix(in srgb, var(--red) 20%, transparent); color:var(--red); }

/* light-mode flash toasts + diff text */
html[data-theme="light"] .flash.success{ background:#e7f7ee; border-color:rgba(17,168,111,.40); color:#0c6e49; }
html[data-theme="light"] .flash.error{ background:#fdeaee; border-color:rgba(226,61,99,.40); color:#a11436; }
html[data-theme="light"] .flash.info{ background:#eaf0fd; border-color:rgba(74,111,208,.40); color:#274a9e; }
html[data-theme="light"] .flash.warning{ background:#fbf1e0; border-color:rgba(217,138,20,.40); color:#8a560a; }
html[data-theme="light"] .diff .add{ color:#0c6e49; }
html[data-theme="light"] .diff .del{ color:#a11436; }

/* footer mono text → stronger contrast (esp. light) */
.app-footer{ color:var(--text-dim); }
.app-footer .ftsep{ color:var(--muted); }

/* focus ring → visible accent */
.search input:focus, input:focus, select:focus, textarea:focus{ box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 42%, transparent); }

/* fixed-shell view corrections (chrome 62 topbar + 32 footer; content pad 26 top / 60 bot) */
.content{ scrollbar-gutter:stable; }
.doc-tree{ top:0; max-height:calc(100vh - 120px); }
.chat{ height:calc(100vh - 250px); min-height:0; }
.gantt{ overflow:auto; max-height:calc(100vh - 300px); }
.board{ padding-bottom:30px; }

/* broaden reduced-motion to all keyframes/transitions */
@media (prefers-reduced-motion:reduce){
  body::before{ animation:none; }
  .content{ animation:none; }
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

/* mobile: restore the off-canvas sidebar (v3 .sidebar{position:static} had defeated it) */
@media (max-width:760px){
  .sidebar{ position:fixed; left:0; top:0; height:100vh; z-index:40; transform:translateX(-100%); transition:transform .24s var(--ease); box-shadow:var(--shadow-lg); }
  body.sidebar-open .sidebar{ transform:translateX(0); }
}

/* ============================================================
   v3.2 — wallpaper-correct glass, glow menus/header,
   collapsible sidebar, full-width connected footer, premium spacing
   ============================================================ */

/* glassier cards — let the wallpaper breathe through */
:root{ --card-bg:rgba(13,19,34,.60); }
html[data-theme="light"]{ --card-bg:rgba(255,255,255,.80); }

/* shell → grid so the footer spans the FULL width and connects */
.app-shell{ display:grid; grid-template-columns:var(--sidebar-w) 1fr; grid-template-rows:1fr auto;
  grid-template-areas:"sidebar main" "footer footer"; transition:grid-template-columns .26s var(--ease); }
.sidebar{ grid-area:sidebar; width:auto; position:relative; }
.main{ grid-area:main; }
.app-footer{ grid-area:footer; width:100%; }

/* bigger logo + a compact mark for the collapsed rail */
.brand-full{ height:38px; width:auto; }
.brand-mark{ display:none; color:var(--accent); align-items:center; }
.brand-mark svg{ width:30px; height:30px; }

/* sidebar collapse toggle (base) */
.nav-collapse{ display:flex; align-items:center; gap:11px; width:100%; border:1px solid transparent; background:none; color:var(--text-dim); cursor:pointer; font-family:inherit; font-size:13px; font-weight:500; padding:9px 12px; border-radius:10px; transition:background .14s,color .14s; text-align:left; }
.nav-collapse:hover{ background:var(--panel); color:var(--text); }
.nav-collapse .ic{ transition:transform .26s var(--ease); flex:0 0 18px; }
.su-text{ min-width:0; }

/* collapsed state — desktop only */
@media (min-width:761px){
  html[data-nav="collapsed"]{ --sidebar-w:74px; }
  html[data-nav="collapsed"] .brand{ justify-content:center; padding:6px 0 14px; }
  html[data-nav="collapsed"] .brand-full{ display:none; }
  html[data-nav="collapsed"] .brand-mark{ display:inline-flex; }
  html[data-nav="collapsed"] .nav-item{ justify-content:center; padding:10px 0; }
  html[data-nav="collapsed"] .nav-item .lbl{ display:none; }
  html[data-nav="collapsed"] .nav-label{ height:0; padding:0; margin:0; opacity:0; overflow:hidden; }
  html[data-nav="collapsed"] .side-user{ justify-content:center; }
  html[data-nav="collapsed"] .su-text{ display:none; }
  html[data-nav="collapsed"] .nav-collapse{ justify-content:center; }
  html[data-nav="collapsed"] .nav-collapse .lbl{ display:none; }
  html[data-nav="collapsed"] .nav-collapse .ic{ transform:rotate(180deg); }
}

/* glow-fade borders on the MENU (nav items) */
.nav-item{ border:1px solid transparent; }
.nav-item:hover{ border-color:color-mix(in srgb, var(--accent) 16%, var(--border)); }
.nav-item.active{ border-color:color-mix(in srgb, var(--accent) 32%, var(--border)); box-shadow:0 0 22px -9px color-mix(in srgb, var(--accent) 60%, transparent); }

/* glow-fade edges — HEADER underline + sidebar seam */
.topbar::after{ content:''; position:absolute; left:0; right:0; bottom:-1px; height:1px; pointer-events:none;
  background:linear-gradient(90deg, transparent, color-mix(in srgb,var(--accent) 34%, transparent) 26%, color-mix(in srgb,var(--accent) 20%, transparent) 74%, transparent); }
.sidebar::after{ content:''; position:absolute; top:0; bottom:0; right:-1px; width:1px; pointer-events:none; z-index:2;
  background:linear-gradient(180deg, transparent, color-mix(in srgb,var(--accent) 26%, transparent) 34%, color-mix(in srgb,var(--accent) 9%, transparent) 66%, transparent); }

/* premium breathing room */
.grid{ gap:20px; }
.hero{ padding:34px 38px; }
.page-head{ margin-bottom:24px; }
.card-scroll{ max-height:264px; }

/* mobile: single column, off-canvas sidebar overlays the grid */
@media (max-width:760px){
  .app-shell{ grid-template-columns:1fr; grid-template-areas:"main" "footer"; }
  .sidebar{ width:264px; }
}

/* ============================================================
   v3.3 — the brand wallpapers have a big centred wordmark; dim
   them to a faint watermark so the logo never dominates empty
   space. Cache-bust the image URLs so the swap actually shows.
   ============================================================ */
:root{ --wallpaper:url('../odontOS-bg-dark.png?v=4'); }
html[data-theme="light"]{ --wallpaper:url('../odontOS-bg-light.png?v=4'); }
body::before{ opacity:.32; }
html[data-theme="light"] body::before{ opacity:.5; }
body::after{ background:linear-gradient(180deg, rgba(6,9,16,.52), rgba(5,8,14,.82)), radial-gradient(125% 95% at 50% -8%, transparent 38%, rgba(4,6,12,.66)); }
html[data-theme="light"] body::after{ background:repeating-linear-gradient(90deg, transparent 0 2px, rgba(60,90,140,.02) 2px 3px, transparent 3px 30px), radial-gradient(125% 88% at 50% -12%, transparent 58%, rgba(120,140,180,.22)); }

/* ============================================================
   v3.4 — real transparent brand logos (replaces the crude SVG
   toothmark). Theme-matched: white-on-dark / black-on-light.
   ============================================================ */
:root{ --brand-word:url('../odontos-word-dark.png?v=1'); --brand-tooth:url('../odontos-tooth-dark.png?v=1'); }
html[data-theme="light"]{ --brand-word:url('../odontos-word-light.png?v=1'); --brand-tooth:url('../odontos-tooth-light.png?v=1'); }
.brand{ justify-content:center; padding:12px 8px 16px; }
.brand-full{ display:block; width:172px; height:48px; background:var(--brand-word) center/contain no-repeat; }
.brand-mark{ display:none; width:44px; height:44px; background:var(--brand-tooth) center/contain no-repeat; }
@media (min-width:761px){
  html[data-nav="collapsed"] .brand-full{ display:none; }
  html[data-nav="collapsed"] .brand-mark{ display:block; }
}

/* ============================================================
   v3.5 — widen the field of view: content uses the FULL width
   (small gutters) so scrolling modules (board / gantt / tables)
   fill the space we have before they scroll. Long-form prose
   still caps for readability.
   ============================================================ */
.content{ padding:30px max(24px, (100% - 2120px)/2) 64px; }
.prose{ max-width:82ch; }
.board{ padding-left:2px; padding-right:2px; }
@media (max-width:760px){ .content{ padding:18px 14px 48px; } }