/* AutoTikTok — shared design system */
:root{
  color-scheme:light;
  --bg:#f5f7fb;--surface:#ffffff;--subtle:#eff3f9;--ink:#0b1426;--text:#1c2840;--muted:#586377;--faint:#8591a5;
  --line:#e2e8f0;--line2:#cdd6e3;
  --brand:#1d4ed8;--brand2:#1a3fb0;--brand-soft:#e9efff;--navy:#0b1b3a;--navy2:#13264f;
  --ok:#157f43;--ok-soft:#e6f5ec;--warn:#a35a06;--warn-soft:#fff3dc;--bad:#b3261e;--bad-soft:#fdeceb;
  --ok-line:#bfe5cd;--warn-line:#f2d9a6;--brand-line:#c9d8ff;--danger-line:#f0c4c0;
  --topbar:rgba(255,255,255,.92);--dot:#d8e0ec;--hero-a:#dfe8ff;--hero-b:#eef3ff;
  --good-bg:linear-gradient(#fff,#f6fbf8);--best-bg:linear-gradient(#fff,#f5f8ff);--hl:#f6f9ff;
  --r:12px;--r-sm:8px;
  --shadow-sm:0 1px 2px rgba(11,20,38,.06);
  --shadow:0 1px 2px rgba(11,20,38,.05),0 12px 32px rgba(11,20,38,.07);
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){
  :root{
    color-scheme:dark;
    --bg:#0b1020;--surface:#141b2d;--subtle:#1a2236;--ink:#f3f6fb;--text:#d7deea;--muted:#9aa6bb;--faint:#6f7b91;
    --line:#243049;--line2:#33415c;
    --brand:#6d8dff;--brand2:#8aa4ff;--brand-soft:#182544;--navy:#080e1c;--navy2:#121a30;
    --ok:#3dbe74;--ok-soft:#123226;--warn:#e0a14a;--warn-soft:#33240f;--bad:#f07167;--bad-soft:#3a1816;
    --ok-line:#24553a;--warn-line:#5a3d16;--brand-line:#2a3d72;--danger-line:#6a2d2a;
    --topbar:rgba(11,16,32,.88);--dot:#243049;--hero-a:#1a2748;--hero-b:#121a30;
    --good-bg:linear-gradient(#141b2d,#12241c);--best-bg:linear-gradient(#141b2d,#182544);--hl:#182544;
    --shadow-sm:0 1px 2px rgba(0,0,0,.28);
    --shadow:0 1px 2px rgba(0,0,0,.2),0 16px 36px rgba(0,0,0,.38);
  }
  ::selection{background:#2a3d7a}
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{color:var(--ink);letter-spacing:-.02em;line-height:1.2}
::selection{background:#cfdcff}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* topbar */
.topbar{position:sticky;top:0;z-index:20;background:var(--topbar);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line)}
.topbar-in{max-width:1200px;margin:0 auto;height:64px;padding:0 28px;display:flex;align-items:center;gap:6px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;letter-spacing:-.02em;color:var(--ink);margin-right:18px}
.logo i{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--navy);color:#fff;font-style:normal;font-weight:700;font-size:14px}
.logo b{font-weight:700;color:var(--brand)}
.links{display:flex;align-items:center;gap:2px}
.links a,.links button{padding:8px 12px;border-radius:8px;font-size:14px;font-weight:500;color:var(--muted);background:none;border:0;cursor:pointer;white-space:nowrap}
.links a:hover,.links button:hover,.links .on{color:var(--ink);background:var(--subtle)}
.grow{flex:1}
.actions{display:flex;align-items:center;gap:8px}
.burger{display:none;width:36px;height:36px;border:1px solid var(--line2);border-radius:8px;background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;padding:0}
.burger i{display:block;width:16px;height:1.6px;background:var(--ink);border-radius:2px}
.drawer{display:none}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 16px;border-radius:var(--r-sm);border:1px solid var(--brand);background:var(--brand);color:#fff;font-weight:600;font-size:14px;cursor:pointer;transition:background .15s,border-color .15s,box-shadow .15s;white-space:nowrap}
.btn:hover{background:var(--brand2);border-color:var(--brand2)}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn.ghost{background:var(--surface);color:var(--ink);border-color:var(--line2)}
.btn.ghost:hover{background:var(--subtle);border-color:var(--line2)}
.btn.tg{background:var(--surface);color:var(--ink);border-color:var(--line2)}
.btn.tg svg{color:#229ed9}
.btn.ok{background:var(--ok);border-color:var(--ok)}
.btn.ok:hover{background:#0f6a38;border-color:#0f6a38}
.btn.danger{background:var(--surface);color:var(--bad);border-color:var(--danger-line)}
.btn.danger:hover{background:var(--bad-soft)}
.btn.sm{height:32px;padding:0 12px;font-size:13px}
.btn.lg{height:48px;padding:0 24px;font-size:15px}

/* language switch */
.lang{display:inline-flex;border:1px solid var(--line2);border-radius:var(--r-sm);overflow:hidden;background:var(--surface)}
.lang button{border:0;background:var(--surface);color:var(--muted);padding:0 11px;height:34px;font-size:12px;font-weight:600;cursor:pointer;letter-spacing:.04em}
.lang button.on{background:var(--navy);color:#fff}

/* surfaces */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-sm)}
.pill{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--muted);font-size:12px;font-weight:500;white-space:nowrap}
.pill.ok{background:var(--ok-soft);border-color:var(--ok-line);color:var(--ok)}
.pill.warn{background:var(--warn-soft);border-color:var(--warn-line);color:var(--warn)}
.pill.brand{background:var(--brand-soft);border-color:var(--brand-line);color:var(--brand2)}
.eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--brand)}
.hint{color:var(--muted);font-size:13px;line-height:1.5}

/* forms */
.field label,label.lbl{display:block;font-size:12px;font-weight:600;color:var(--muted);margin:0 0 6px}
.input,.select,.textarea,.field input,.field select,.field textarea{width:100%;height:40px;padding:0 12px;border:1px solid var(--line2);border-radius:var(--r-sm);background:var(--surface);color:var(--ink);outline:0;transition:border-color .15s,box-shadow .15s}
.textarea,.field textarea{height:auto;min-height:110px;padding:10px 12px;resize:vertical;line-height:1.5}
.input:focus,.select:focus,.textarea:focus,.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(29,78,216,.14)}
.err{min-height:20px;margin-top:8px;font-size:13px;color:var(--bad)}

/* modal */
.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(11,20,38,.5);backdrop-filter:blur(3px);z-index:50;padding:20px}
.modal.on{display:flex}
.dialog{width:min(460px,100%);max-height:92vh;overflow:auto;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:var(--shadow)}
.dialog.wide{width:min(900px,100%)}
.dialog h2{font-size:20px;margin-bottom:6px}
.dialog>p{color:var(--muted);margin-bottom:16px}

/* tables */
table.t{width:100%;border-collapse:collapse}
table.t th{text-align:left;font-size:12px;font-weight:600;color:var(--muted);padding:11px 14px;background:var(--subtle);border-bottom:1px solid var(--line)}
table.t td{padding:13px 14px;border-bottom:1px solid var(--line);font-size:14px;vertical-align:top}
table.t tr:last-child td{border-bottom:0}

/* footer */
.footer{background:var(--navy);color:#b8c4dc;margin-top:96px}
.footer-in{max-width:1200px;margin:0 auto;padding:48px 28px 34px;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer .logo{color:#fff}.footer .logo i{background:#fff;color:var(--navy)}.footer .logo b{color:#9db8ff}
.footer p{font-size:14px;margin-top:14px;max-width:320px;color:#9fb0cf}
.footer h4{color:#fff;font-size:13px;margin-bottom:12px;font-weight:600}
.footer a{display:block;padding:4px 0;font-size:14px;color:#b8c4dc}
.footer a:hover{color:#fff}
.footer-bottom{max-width:1200px;margin:0 auto;padding:18px 28px 28px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#8294b6;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

@media(max-width:900px){
  .links{display:none}
  .topbar-in{padding:0 18px}
  .footer-in{grid-template-columns:1fr 1fr}
  .burger{display:inline-flex}
  .hint#who{display:none}
  .drawer{display:none;position:fixed;inset:64px 0 0;background:rgba(11,20,38,.42);z-index:18}
  body.nav-open .drawer{display:block}
  .drawer nav{background:var(--surface);border-bottom:1px solid var(--line);padding:8px 14px 16px;display:flex;flex-direction:column;box-shadow:var(--shadow)}
  .drawer a,.drawer button{display:block;width:100%;text-align:left;padding:12px;border:0;background:none;border-radius:8px;font:inherit;font-weight:500;color:var(--text);cursor:pointer}
  .drawer a:hover,.drawer button:hover,.drawer .on{background:var(--subtle);color:var(--ink)}
}
@media(max-width:560px){.footer-in{grid-template-columns:1fr}}