:root{
  --ink:#141a2e;
  --ink-soft:#4b526b;
  --muted:#8a91a8;
  --bg:#f6f7fb;
  --panel:#ffffff;
  --border:#e7e9f2;
  --brand:#3956f5;
  --brand-dark:#2338c4;
  --brand-soft:#eef1ff;
  --green:#1fa971;
  --red:#e5484d;
  --radius:16px;
  --shadow:0 8px 30px rgba(20,26,46,.06);
  --font:'Plus Jakarta Sans',system-ui,-apple-system,Segoe UI,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
a{color:inherit}
h1,h2,h3{margin:0 0 10px;font-weight:800;letter-spacing:-.02em}
p{margin:0 0 12px;color:var(--ink-soft)}
.muted{color:var(--muted)}
code{background:var(--brand-soft);color:var(--brand-dark);padding:2px 7px;border-radius:6px;font-size:.9em}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 24px}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:19px;text-decoration:none;color:var(--ink)}
.brand b{color:var(--brand)}
.brand-mark{font-size:22px}
.main-nav{display:flex;gap:6px}
.main-nav a{
  text-decoration:none;color:var(--ink-soft);font-weight:600;font-size:14.5px;
  padding:9px 14px;border-radius:10px;transition:.15s;
}
.main-nav a:hover{background:var(--brand-soft);color:var(--brand-dark)}
.main-nav a.active{background:var(--ink);color:#fff}
.nav-toggle{display:none;background:none;border:0;font-size:22px;cursor:pointer}

/* ---------- hero ---------- */
.hero{padding:64px 0 20px}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--brand-dark);background:var(--brand-soft);padding:6px 12px;border-radius:100px;margin-bottom:16px;
}
.hero h1{font-size:46px;line-height:1.08;margin-bottom:16px}
.hero h1 b{color:var(--brand)}
.hero p{font-size:17px;max-width:480px;margin-bottom:26px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}

.hero-visual{display:flex;justify-content:center}
.hero-card{
  background:var(--panel);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow);
  padding:26px;width:100%;max-width:340px;
}
.hero-card-row{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-soft);padding:8px 0}
.hero-card-result{
  margin-top:14px;padding:20px;background:var(--brand-soft);border-radius:14px;
  font-size:26px;font-weight:800;color:var(--ink);display:flex;justify-content:space-between;align-items:baseline;
}
.hero-card-result span{font-size:14px;font-weight:700;color:var(--green)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:12px;padding:13px 22px;font-weight:700;font-size:15px;
  cursor:pointer;text-decoration:none;transition:.15s;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-primary:disabled{background:#c7cdec;cursor:not-allowed}
.btn-secondary{background:var(--ink);color:#fff}
.btn-secondary:hover{background:#2a3350}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--border)}
.btn-ghost:hover{border-color:var(--ink)}
.link-btn{background:none;border:0;color:var(--brand);font-weight:600;cursor:pointer;font-size:14px;padding:0;text-decoration:underline}
.link-btn-danger{color:var(--red)}

/* ---------- sections / grids ---------- */
.section-title{font-size:26px;margin:56px 0 22px}
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);
}
.card-icon{font-size:28px;margin-bottom:10px}
.step{padding:22px 4px}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  background:var(--ink);color:#fff;border-radius:50%;font-weight:800;font-size:15px;margin-bottom:14px;
}

/* ---------- panels / pages ---------- */
.page-narrow{max-width:820px;padding-top:44px;padding-bottom:64px}
.page-title{font-size:32px}
.page-sub{font-size:16px;margin-bottom:26px}
.panel{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);margin-bottom:22px;
}

/* ---------- alerts ---------- */
.alert{padding:14px 18px;border-radius:12px;font-weight:600;font-size:14.5px;margin:18px 0}
.alert-ok{background:#e8f9f1;color:#0d7a4f;border:1px solid #bdeed7}
.alert-error{background:#fdecec;color:#b3231f;border:1px solid #f7c6c6}

/* ---------- translate page ---------- */
.lang-tabs{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}
.lang-tab{
  border:1.5px solid var(--border);background:#fff;color:var(--ink-soft);font-weight:700;font-size:14px;
  padding:9px 18px;border-radius:100px;cursor:pointer;text-decoration:none;transition:.15s;
}
.lang-tab:hover{border-color:var(--brand)}
.lang-tab.active{background:var(--ink);color:#fff;border-color:var(--ink)}

.camera-frame{
  position:relative;width:100%;aspect-ratio:4/3;max-width:520px;margin:0 auto 20px;
  background:#0e1120;border-radius:16px;overflow:hidden;display:flex;align-items:center;justify-content:center;
}
.camera-frame video{width:100%;height:100%;object-fit:cover;display:block}
.camera-placeholder{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:#8a91b0;font-size:14px}
.camera-icon{font-size:34px}
.camera-frame.is-live .camera-placeholder{display:none}

.translate-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:20px}

.result-box{
  border-radius:14px;padding:22px;text-align:center;font-size:15px;transition:.15s;
}
.result-idle{background:var(--bg);color:var(--muted);border:1px dashed var(--border)}
.result-loading{background:var(--brand-soft);color:var(--brand-dark);font-weight:600}
.result-success{background:#e8f9f1;color:#0d7a4f}
.result-success h2{color:#0d7a4f;font-size:28px;margin-bottom:4px}
.result-error{background:#fdecec;color:#b3231f;font-weight:600}

/* ---------- dictionary ---------- */
.dict-filters{margin-bottom:26px}
.search-row{display:flex;gap:10px;margin-top:14px}
.search-row .input{flex:1}
.dict-grid{margin-bottom:10px}
.dict-card h3{margin:10px 0 0;font-size:18px}
.badge{
  display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.03em;text-transform:uppercase;
  padding:4px 10px;border-radius:100px;
}
.badge-asl{background:#e6f0ff;color:#1a54c9}
.badge-arsl{background:#fff2df;color:#b06a06}
.badge-psl{background:#e8f9f1;color:#0d7a4f}
.empty-state{padding:40px;text-align:center;color:var(--muted);background:var(--panel);border:1px dashed var(--border);border-radius:var(--radius)}
.admin-inline{margin-top:30px}
.admin-form-inline{display:flex;gap:10px;flex-wrap:wrap}
.admin-form-inline .input:nth-child(2){flex:1;min-width:180px}

/* ---------- forms / tables ---------- */
.input{
  width:100%;padding:12px 14px;border:1.5px solid var(--border);border-radius:10px;
  font-family:var(--font);font-size:14.5px;background:#fff;color:var(--ink);
}
.input:focus{outline:none;border-color:var(--brand)}
.field-label{display:block;font-weight:700;font-size:13.5px;margin-bottom:8px}
.table{width:100%;border-collapse:collapse;font-size:14.5px}
.table th{text-align:left;color:var(--muted);font-size:12.5px;text-transform:uppercase;letter-spacing:.04em;padding:10px 8px;border-bottom:1.5px solid var(--border)}
.table td{padding:12px 8px;border-bottom:1px solid var(--border)}
.status-row{display:flex;align-items:center;gap:10px;font-weight:600;margin-bottom:14px}
.dot{width:9px;height:9px;border-radius:50%;display:inline-block}
.dot-green{background:var(--green)}
.dot-blue{background:var(--brand)}
.dot-red{background:var(--red)}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--border);margin-top:60px;padding:26px 0}
.footer-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--muted)}

/* ---------- responsive ---------- */
@media(max-width:820px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero-actions{justify-content:center}
  .hero p{margin-left:auto;margin-right:auto}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .main-nav{
    display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;
    padding:12px;border-bottom:1px solid var(--border);box-shadow:var(--shadow);
  }
  .main-nav.open{display:flex}
  .nav-toggle{display:block}
  .hero h1{font-size:34px}
  .grid-3,.grid-4{grid-template-columns:1fr}
  .footer-inner{flex-direction:column}
}