:root{
  --svs-bg:#f4f7fb;
  --svs-surface:#ffffff;
  --svs-surface-2:#f8fbff;
  --svs-text:#0f172a;
  --svs-muted:#5b6b84;
  --svs-border:#d9e3f0;
  --svs-primary:#2563eb;
  --svs-primary-dark:#1d4ed8;
  --svs-info:#0ea5e9;
  --svs-success:#16a34a;
  --svs-danger:#dc2626;
  --svs-warning:#f59e0b;
  --svs-shadow:0 14px 40px rgba(15,23,42,.08);
  --svs-radius:20px;
  --svs-radius-sm:14px;
  --svs-wrap:1200px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--svs-text);
  background:
    radial-gradient(900px 420px at top left, rgba(37,99,235,.08), transparent 72%),
    linear-gradient(180deg,#f8fbff 0%, var(--svs-bg) 100%);
}
a{color:var(--svs-primary);text-decoration:none}
a:hover{text-decoration:underline}
.svs-wrap{width:min(calc(100% - 32px),var(--svs-wrap));margin:0 auto}
.svs-topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.78);backdrop-filter:blur(12px);border-bottom:1px solid rgba(217,227,240,.8)}
.svs-topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.svs-brand{display:flex;align-items:center;gap:12px;color:var(--svs-text)}
.svs-brand:hover{text-decoration:none}
.svs-brand-mark{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--svs-primary),#38bdf8);display:grid;place-items:center;color:#fff;font-weight:800;box-shadow:var(--svs-shadow)}
.svs-brand small{display:block;color:var(--svs-muted);font-size:12px;margin-top:2px}
.svs-nav{display:flex;align-items:center;gap:12px}
.svs-nav a{padding:10px 14px;border-radius:999px;color:var(--svs-text)}
.svs-nav a:hover{text-decoration:none;background:#eef5ff}
.svs-main{padding:28px 0 36px}
.svs-footer{padding:14px 0 28px;color:var(--svs-muted);font-size:14px}
.card,.hero-card{
  background:rgba(255,255,255,.92);
  border:1px solid var(--svs-border);
  border-radius:var(--svs-radius);
  box-shadow:var(--svs-shadow);
}
.card{padding:24px}
.hero-card{display:grid;grid-template-columns:1.4fr .95fr;gap:18px;padding:24px;margin-bottom:22px}
.hero-copy h1,.card h1{margin:8px 0 12px;font-size:clamp(28px,4vw,42px);line-height:1.08}
.card h2,.hero-card h2{margin:0 0 14px;font-size:24px}
.hero-copy p,.card p,.card li{line-height:1.62}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;background:#e8f0ff;color:var(--svs-primary-dark);font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;border-radius:999px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.hero-badges span,.status-chip{display:inline-flex;align-items:center;padding:9px 12px;border-radius:999px;font-size:13px;font-weight:700;border:1px solid var(--svs-border);background:#fff}
.note-panel{background:linear-gradient(180deg,#f7fbff,#eef6ff)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid-2.compact{gap:14px}
.stack-lg{display:grid;gap:16px}
.field{display:grid;gap:8px}
.field span{font-weight:700;font-size:14px}
.field small,.muted{color:var(--svs-muted);font-size:14px}
input[type="text"],input[type="datetime-local"],textarea{
  width:100%;border:1px solid var(--svs-border);background:#fff;color:var(--svs-text);
  border-radius:14px;padding:14px 15px;font:inherit;outline:none;transition:border-color .18s ease, box-shadow .18s ease;
}
textarea{resize:vertical;min-height:104px}
input:focus,textarea:focus{border-color:rgba(37,99,235,.55);box-shadow:0 0 0 4px rgba(37,99,235,.12)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:14px;padding:13px 16px;font-weight:700;font-size:15px;cursor:pointer;text-decoration:none}
.btn:hover{text-decoration:none}
.btn-primary{background:linear-gradient(135deg,var(--svs-primary),#3b82f6);color:#fff}
.btn-primary:hover{background:linear-gradient(135deg,var(--svs-primary-dark),var(--svs-primary))}
.btn-secondary{background:#eff6ff;color:var(--svs-primary-dark);border:1px solid #cfe0ff}
.btn-danger{background:#fff1f2;color:var(--svs-danger);border:1px solid #fecdd3}
.form-card{height:100%}
.svs-flash{padding:14px 16px;border-radius:16px;margin-bottom:18px;border:1px solid var(--svs-border);font-weight:600}
.svs-flash--success{background:#ecfdf3;border-color:#bbf7d0;color:#166534}
.svs-flash--error{background:#fff1f2;border-color:#fecdd3;color:#991b1b}
.svs-flash--info{background:#eff6ff;border-color:#bfdbfe;color:#1d4ed8}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}
.section-head.align-start{align-items:flex-start}
.empty-state{padding:20px;border:1px dashed var(--svs-border);border-radius:18px;background:var(--svs-surface-2)}
.list-stack{display:grid;gap:14px}
.meeting-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px;border:1px solid var(--svs-border);border-radius:18px;background:#fbfdff}
.meeting-row h2{font-size:19px;margin:0 0 4px}
.meeting-row-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.status-scheduled{background:#fff7ed;color:#9a3412;border-color:#fed7aa}
.status-live{background:#ecfdf3;color:#166534;border-color:#bbf7d0}
.status-ended{background:#f3f4f6;color:#374151;border-color:#d1d5db}
.status-cancelled{background:#fff1f2;color:#991b1b;border-color:#fecdd3}
.copy-box{display:flex;gap:10px;margin:12px 0 14px}
.copy-box input{background:#f8fbff}
.success-card h1{font-size:34px}
.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px}
.info-box{display:grid;gap:6px;padding:16px;border-radius:18px;border:1px solid var(--svs-border);background:#fbfdff}
.info-box strong{font-size:13px;color:var(--svs-muted);text-transform:uppercase;letter-spacing:.05em}
.info-box span{font-weight:700}
.notice-block,.join-gate{padding:22px;border-radius:20px;border:1px solid var(--svs-border);background:#fbfdff}
.notice-danger{background:#fff6f6;border-color:#fecaca}
.jitsi-shell{margin-top:18px}
.room-meta-bar{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:12px;color:var(--svs-muted);font-size:14px}
.jitsi-container{width:100%;height:72vh;min-height:520px;border:1px solid var(--svs-border);border-radius:22px;overflow:hidden;background:#0b1120}
.actions-stack{display:grid;gap:12px}
.inline-form{margin:0}
.gate-form{max-width:420px}
@media (max-width:980px){
  .hero-card,.grid-2{grid-template-columns:1fr}
  .info-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .svs-topbar-inner,.section-head,.meeting-row,.copy-box{flex-direction:column;align-items:stretch}
  .svs-nav{width:100%;justify-content:flex-start;flex-wrap:wrap}
  .card,.hero-card{padding:18px}
  .info-grid{grid-template-columns:1fr}
  .jitsi-container{height:65vh;min-height:420px}
}