/* ============================================================
   NeuroDent — Аналитика стоматологии
   Design tokens & components (movement: 150–220ms, grid step 4px)
   Source of truth: macdent_dashboard_sites/public/static/style.css  (v48)
   ============================================================ */

/* -------- Light theme (default) -------- */
:root {
  --bg: #FFFFFF;
  --card: #FFFFFF;
  --surface: rgba(255,255,255,0.68);
  --surface-2: #F5F6FA;
  --text: #16181D;
  --hint: #5F6673;
  --accent: #5B6BFF;      /* indigo */
  --accent-2: #8E7CFF;    /* gradient end */
  --accent-weak: rgba(91,107,255,0.10);
  --success: #17B978;
  --danger: #F4595B;
  --warning: #E9A23B;
  --border: rgba(46,54,78,0.12);
  --chart-grid: rgba(46,54,78,0.08);
  --shadow: 0 1px 2px rgba(20,24,38,0.05), 0 8px 24px rgba(20,24,38,0.06);
  --nav-space: 76px;

  /* pastel KPI tints (light) */
  --tile-1: #EEF0FF; --tile-2: #E7FBF3; --tile-3: #FFF0EF;
  --tile-4: #F3EEFF; --tile-5: #FFF7E8; --tile-6: #EAF6FF;

  /* categorical series (validated indigo-led ramp) */
  --s1: #5B6BFF; --s2: #17B978; --s3: #E9A23B; --s4: #F4595B; --s5: #8E7CFF;
}

/* -------- Dark theme -------- */
:root[data-theme="dark"] {
  --bg: #0E1017;
  --card: #181B23;
  --surface: #21252F;
  --surface-2: #21252F;
  --text: #ECEFF6;
  --hint: #A3ACBD;
  --accent: #7A87FF;
  --accent-2: #9E8CFF;
  --accent-weak: rgba(122,135,255,0.16);
  --success: #2FD695;
  --danger: #FF7173;
  --warning: #F0B860;
  --border: rgba(163,172,189,0.16);
  --chart-grid: rgba(163,172,189,0.12);
  --shadow: 0 1px 2px rgba(0,0,0,0.4), 0 8px 28px rgba(0,0,0,0.5);

  --tile-1: #1E2233; --tile-2: #16281F; --tile-3: #2A1C1E;
  --tile-4: #241E33; --tile-5: #2A2418; --tile-6: #16222E;

  --s1: #7A87FF; --s2: #2FD695; --s3: #F0B860; --s4: #FF7173; --s5: #9E8CFF;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter Tight", -apple-system, "SF Pro Text", "Segoe UI", Roboto, system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
body { overscroll-behavior-y: none; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

h1,h2,h3,h4 { margin: 0; font-weight: 700; letter-spacing: -0.01em; }
button { font-family: inherit; cursor: pointer; }
a { color: var(--accent); text-decoration: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
.hidden { display: none !important; }

/* ---------------- App shell ---------------- */
#app { max-width: 720px; margin: 0 auto; min-height: 100vh; position: relative; }

.appbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--border);
}
.appbar .brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 16px; }
.appbar .spacer { flex: 1; }
.iconbtn {
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center;
  background: transparent; border: 1px solid transparent; color: var(--text);
}
.iconbtn:hover { background: var(--surface-2); }
.logo-squircle { width: 30px; height: 30px; border-radius: 9px; flex: none; }

/* ---------------- Content / tabs ---------------- */
.content { padding: 16px 16px calc(var(--nav-space) + 16px); }
.tab-panel { animation: panelIn .18s ease; }
@keyframes panelIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.section-title { font-size: 13px; color: var(--hint); font-weight: 700; text-transform: uppercase; letter-spacing: .04em; margin: 22px 2px 10px; }
.section-title:first-child { margin-top: 4px; }

/* ---------------- Cards ---------------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow);
}
.card + .card { margin-top: 12px; }

/* Today card */
.today { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; border: 0; }
.today .today-head { display: flex; align-items: center; justify-content: space-between; opacity: .92; font-size: 13px; }
.today .today-main { display: flex; align-items: baseline; gap: 10px; margin-top: 8px; }
.today .today-main b { font-size: 30px; font-weight: 800; letter-spacing: -0.02em; }
.today .today-row { display: flex; gap: 18px; margin-top: 12px; flex-wrap: wrap; }
.today .today-row span { font-size: 13px; opacity: .95; }
.today .today-row span b { font-size: 15px; }

/* ---------------- KPI grid ---------------- */
.kpi-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (min-width: 560px) { .kpi-grid { grid-template-columns: repeat(3, 1fr); } }
.kpi {
  border-radius: 14px; padding: 14px;
  border: 1px solid var(--border);
  background: var(--tile-1);
  min-height: 96px; display: flex; flex-direction: column; justify-content: space-between;
}
.kpi:nth-child(6n+2){background:var(--tile-2)} .kpi:nth-child(6n+3){background:var(--tile-3)}
.kpi:nth-child(6n+4){background:var(--tile-4)} .kpi:nth-child(6n+5){background:var(--tile-5)}
.kpi:nth-child(6n+6){background:var(--tile-6)}
.kpi .kpi-label { font-size: 12px; color: var(--hint); font-weight: 600; }
.kpi .kpi-value { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; margin-top: 6px; }
.kpi .delta { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; font-weight: 700; margin-top: 6px; }
.delta.up { color: var(--success); } .delta.down { color: var(--danger); } .delta.flat { color: var(--hint); }
.delta .cmp { color: var(--hint); font-weight: 500; }

/* ---------------- Controls: period + compare ---------------- */
.controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }
.segmented { display: inline-flex; background: var(--surface-2); border: 1px solid var(--border); border-radius: 12px; padding: 3px; }
.segmented button { border: 0; background: transparent; color: var(--hint); font-weight: 700; font-size: 13px; padding: 8px 12px; border-radius: 9px; min-height: 38px; }
.segmented button[aria-pressed="true"] { background: var(--card); color: var(--text); box-shadow: var(--shadow); }
.toggle { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--hint); font-weight: 600; min-height: 44px; }
.switch { position: relative; width: 42px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .track { position: absolute; inset: 0; background: var(--border); border-radius: 999px; transition: background .18s; }
.switch .thumb { position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; transition: transform .18s; box-shadow: 0 1px 2px rgba(0,0,0,.3); }
.switch input:checked + .track { background: var(--accent); }
.switch input:checked + .track + .thumb { transform: translateX(18px); }

/* ---------------- Charts ---------------- */
.chart-wrap { position: relative; height: 220px; margin-top: 6px; }
.chart-wrap.sm { height: 170px; }
.chart-head { display: flex; align-items: center; justify-content: space-between; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 10px; }
.legend .item { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--hint); font-weight: 600; }
.legend .dot { width: 10px; height: 10px; border-radius: 3px; }

/* ---------------- Lists / rows ---------------- */
.row { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.row:last-child { border-bottom: 0; }
.avatar { width: 40px; height: 40px; border-radius: 12px; background: var(--accent-weak); color: var(--accent); display: grid; place-items: center; font-weight: 800; flex: none; }
.row .meta { flex: 1; min-width: 0; }
.row .meta .name { font-weight: 700; }
.row .meta .sub { font-size: 12px; color: var(--hint); }
.row .val { text-align: right; font-weight: 800; }
.row .val small { display: block; font-weight: 600; color: var(--hint); }
.bar { height: 6px; border-radius: 3px; background: var(--surface-2); overflow: hidden; margin-top: 6px; }
.bar > span { display: block; height: 100%; background: var(--accent); border-radius: 3px; }

.chip { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 999px; background: var(--surface-2); color: var(--hint); }
.chip.good { background: color-mix(in srgb, var(--success) 16%, transparent); color: var(--success); }
.chip.bad { background: color-mix(in srgb, var(--danger) 16%, transparent); color: var(--danger); }
.chip.warn { background: color-mix(in srgb, var(--warning) 18%, transparent); color: var(--warning); }

/* Analytics hub tiles */
.hub { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
.hub .hub-tile { display: flex; align-items: center; gap: 12px; text-align: left; width: 100%; border: 1px solid var(--border); background: var(--card); border-radius: 14px; padding: 14px; color: var(--text); box-shadow: var(--shadow); min-height: 60px; }
.hub .hub-tile:hover { border-color: var(--accent); }
.hub .hub-tile .ic { width: 40px; height: 40px; border-radius: 11px; background: var(--accent-weak); color: var(--accent); display: grid; place-items: center; flex: none; }
.hub .hub-tile .t { font-weight: 700; } .hub .hub-tile .s { font-size: 12px; color: var(--hint); }

/* Heatmap */
.heatmap { display: grid; gap: 3px; margin-top: 8px; }
.heatmap .hm-cell { height: 22px; border-radius: 4px; }
.heatmap .hm-label { font-size: 11px; color: var(--hint); display: grid; place-items: center; }

/* Funnel */
.funnel .stage { margin: 10px 0; }
.funnel .stage .lab { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 4px; font-weight: 600; }
.funnel .stage .track { height: 30px; border-radius: 8px; background: var(--surface-2); overflow: hidden; }
.funnel .stage .fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: 8px; display: flex; align-items: center; padding-left: 10px; color: #fff; font-weight: 700; font-size: 12px; }

/* ---------------- Buttons ---------------- */
.btn { border: 0; border-radius: 12px; font-weight: 700; font-size: 15px; padding: 0 18px; height: 48px; min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.05); }
.btn-secondary { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
.btn-block { width: 100%; }
.btn-ghost { background: transparent; color: var(--hint); }

/* ---------------- AI chat ---------------- */
.chat { display: flex; flex-direction: column; gap: 12px; min-height: 50vh; }
.msg { max-width: 84%; padding: 12px 14px; border-radius: 16px; font-size: 14px; line-height: 1.5; white-space: pre-wrap; }
.msg.bot { align-self: flex-start; background: var(--surface-2); border-bottom-left-radius: 6px; }
.msg.user { align-self: flex-end; background: var(--accent); color: #fff; border-bottom-right-radius: 6px; }
.suggests { display: flex; flex-wrap: wrap; gap: 8px; }
.suggests button { border: 1px solid var(--border); background: var(--card); color: var(--accent); border-radius: 999px; padding: 8px 14px; font-size: 13px; font-weight: 600; min-height: 40px; }
.suggests button:hover { background: var(--accent-weak); }
.composer { position: sticky; bottom: calc(var(--nav-space)); display: flex; gap: 8px; align-items: center; padding: 10px 0; background: var(--bg); }
.composer input { flex: 1; height: 48px; border-radius: 12px; border: 1px solid var(--border); background: var(--card); color: var(--text); padding: 0 14px; font-size: 16px; }
.mic { width: 48px; height: 48px; border-radius: 12px; border: 1px solid var(--border); background: var(--card); color: var(--accent); display: grid; place-items: center; flex: none; }
.mic.rec { background: var(--danger); color: #fff; border-color: var(--danger); animation: pulse 1s infinite; }
@keyframes pulse { 0%,100%{ box-shadow: 0 0 0 0 rgba(244,89,91,.5);} 50%{ box-shadow: 0 0 0 8px rgba(244,89,91,0);} }

/* ---------------- Bottom nav ---------------- */
.mobile-nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
  max-width: 720px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(5, 1fr);
  align-items: end;
  padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  border-top: 1px solid var(--border);
}
.mobile-nav button { border: 0; background: transparent; color: var(--hint); display: flex; flex-direction: column; align-items: center; gap: 3px; font-size: 11px; font-weight: 600; padding: 6px 0; min-height: 52px; border-radius: 12px; }
.mobile-nav button[aria-current="page"] { color: var(--accent); }
.mobile-nav button svg { width: 24px; height: 24px; }
.mobile-nav .nav-ai { position: relative; }
.mobile-nav .nav-ai .fab { width: 52px; height: 52px; border-radius: 16px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; display: grid; place-items: center; box-shadow: 0 6px 18px rgba(91,107,255,.4); margin-bottom: 2px; }
.badge { position: absolute; top: -2px; right: 50%; transform: translateX(22px); background: var(--danger); color: #fff; font-size: 10px; font-weight: 800; min-width: 18px; height: 18px; border-radius: 999px; display: grid; place-items: center; padding: 0 4px; }

/* Export FAB */
.export-fab { position: fixed; right: max(16px, calc((100vw - 720px)/2 + 16px)); bottom: calc(var(--nav-space) + 12px); z-index: 45; }
.export-fab .fabbtn { width: 52px; height: 52px; border-radius: 16px; background: var(--card); border: 1px solid var(--border); box-shadow: var(--shadow); color: var(--accent); display: grid; place-items: center; }
.export-menu { position: absolute; right: 0; bottom: 60px; background: var(--card); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow); overflow: hidden; min-width: 200px; }
.export-menu button { display: block; width: 100%; text-align: left; padding: 12px 16px; border: 0; background: transparent; color: var(--text); font-size: 14px; min-height: 44px; }
.export-menu button:hover { background: var(--surface-2); }

/* ---------------- Bottom sheet ---------------- */
.scrim { position: fixed; inset: 0; background: rgba(10,12,18,.5); z-index: 60; opacity: 0; transition: opacity .18s; }
.scrim.show { opacity: 1; }
.sheet { position: fixed; left: 0; right: 0; bottom: 0; z-index: 61; max-width: 720px; margin: 0 auto; background: var(--card); border-radius: 22px 22px 0 0; padding: 8px 16px calc(20px + env(safe-area-inset-bottom)); transform: translateY(100%); transition: transform .22s ease; max-height: 86vh; overflow: auto; }
.sheet.show { transform: none; }
.sheet .grabber { width: 40px; height: 4px; border-radius: 3px; background: var(--border); margin: 8px auto 12px; }

/* ---------------- Auth / onboarding ---------------- */
.center-shell { max-width: 480px; margin: 0 auto; min-height: 100vh; display: flex; flex-direction: column; justify-content: center; padding: 24px; }
.auth-hero { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.2; }
.auth-sub { color: var(--hint); margin-top: 10px; }
.demo-box { background: var(--surface-2); border: 1px dashed var(--border); border-radius: 12px; padding: 12px 14px; font-size: 13px; margin-top: 20px; }
.demo-box code { color: var(--accent); font-weight: 700; }
.notice { font-size: 12px; color: var(--hint); background: var(--accent-weak); border-radius: 10px; padding: 10px 12px; margin-top: 14px; }
.field { display: block; margin-top: 12px; }
.field label { font-size: 13px; color: var(--hint); font-weight: 600; }
.field input { width: 100%; height: 48px; margin-top: 6px; border-radius: 12px; border: 1px solid var(--border); background: var(--card); color: var(--text); padding: 0 14px; font-size: 16px; }

/* Onboarding */
.steps { display: flex; gap: 6px; margin: 18px 0; }
.steps .seg { flex: 1; height: 5px; border-radius: 3px; background: var(--border); }
.steps .seg.on { background: var(--accent); }
.onb-illus { width: 100%; height: 160px; border-radius: 16px; background: linear-gradient(135deg, var(--accent-weak), transparent); display: grid; place-items: center; margin: 8px 0 16px; }

/* Splash */
#splash { position: fixed; inset: 0; z-index: 200; background: var(--bg); display: grid; place-items: center; transition: opacity .3s; }
#splash .wm { text-align: center; }
#splash .wm .word { font-size: 26px; font-weight: 800; margin-top: 14px; letter-spacing: -0.02em; }
#splash .wm .word b { color: var(--accent); }
#splash .wm .tag { color: var(--hint); font-size: 13px; margin-top: 4px; }
#splash .net circle { animation: node 1.6s ease-in-out infinite; }
@keyframes node { 0%,100%{ opacity:.4 } 50%{ opacity:1 } }

/* settings list */
.set-group { margin-top: 8px; }
.set-item { display: flex; align-items: center; gap: 12px; padding: 14px 4px; border-bottom: 1px solid var(--border); min-height: 52px; }
.set-item .ic { width: 34px; height: 34px; border-radius: 10px; background: var(--surface-2); display: grid; place-items: center; color: var(--accent); flex: none; }
.set-item .t { flex: 1; font-weight: 600; }
.set-item .v { color: var(--hint); font-size: 13px; }