:root{--bg:#f4f5f7;--card:#ffffff;--text:#1c2430;--muted:#667085;--border:#e3e6ea;--primary:#1f5f3f;--primary-hover:#174a31;--danger:#b42318;--warn-bg:#fff6e5;--warn-border:#f2c46d;--ok:#067647;--radius:10px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5}a{color:var(--primary)}h1,h2,h3{margin:0 0 12px;line-height:1.25}h1{font-size:22px}h2{font-size:18px}h3{font-size:15px}.container{max-width:1040px;margin:0 auto;padding:24px 16px 64px}.narrow{max-width:560px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--card);border-bottom:1px solid var(--border);padding:12px 16px}.topbar .brand{font-weight:700;color:var(--primary);text-decoration:none}.topbar .who{color:var(--muted);font-size:13px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px}.center-card{max-width:460px;margin:48px auto;text-align:center}.muted{color:var(--muted)}.small{font-size:13px}.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.between{justify-content:space-between}.grid2{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px}@media (max-width:640px){.grid2{grid-template-columns:1fr}}label{display:block;font-size:13px;font-weight:600;margin-bottom:4px}input[type=email],input[type=file],input[type=text],textarea{width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:8px;font:inherit;background:#fff}.field{margin-bottom:12px}.pin-input{font-size:22px;letter-spacing:4px;text-align:center;text-transform:uppercase;font-family:ui-monospace,monospace}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:9px 16px;border-radius:8px;border:1px solid transparent;background:var(--primary);color:#fff;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}.btn:hover{background:var(--primary-hover)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--text);border-color:var(--border)}.btn-ghost:hover{background:#f0f2f4}.btn-danger{background:transparent;color:var(--danger);border-color:#f1c0bb}.btn-danger:hover{background:#fdf0ef}.btn-google{background:#fff;color:#1f1f1f;border-color:#dadce0}.btn-google:hover{background:#f7f8f8}.btn-sm{padding:5px 10px;font-size:13px}.btn-block{width:100%}.alert{padding:10px 12px;border-radius:8px;font-size:14px;margin-bottom:12px}.alert-error{background:#fdf0ef;color:var(--danger);border:1px solid #f1c0bb}.alert-ok{background:#ecfdf3;color:var(--ok);border:1px solid #abefc6}.alert-warn{background:var(--warn-bg);border:1px solid var(--warn-border)}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600;background:#eef0f3;color:var(--muted)}.badge-ok{background:#ecfdf3;color:var(--ok)}.badge-warn{background:var(--warn-bg);color:#8a5a00}.badge-danger{background:#fdf0ef;color:var(--danger)}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px}td,th{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);vertical-align:top}th{color:var(--muted);font-weight:600;white-space:nowrap}.mono{font-family:ui-monospace,monospace}.break{word-break:break-all}.progress{height:8px;background:#eef0f3;border-radius:999px;overflow:hidden;margin-top:8px}.progress>div{height:100%;background:var(--primary);transition:width .2s}.copybox{background:#f7f8fa;border:1px dashed var(--border);border-radius:8px;padding:12px;white-space:pre-wrap;font-size:13px;font-family:ui-monospace,monospace;margin:8px 0}.notice{text-align:left}.notice h2{text-align:center;letter-spacing:.5px}.notice ol{padding-left:20px}.notice li{margin-bottom:6px}.no-select{-moz-user-select:none;user-select:none;-webkit-user-select:none}.player-wrap{position:relative;background:#000;border-radius:var(--radius);overflow:hidden;aspect-ratio:16/9;width:100%}.player-wrap:-webkit-full-screen{border-radius:0;aspect-ratio:auto}.player-wrap:fullscreen{border-radius:0;aspect-ratio:auto}.player-wrap video{width:100%;height:100%;display:block;object-fit:contain}.wm{z-index:5;color:rgba(255,255,255,.55);text-shadow:0 0 3px rgba(0,0,0,.8);font-size:clamp(10px,1.6vw,15px);font-weight:700;line-height:1.35;transition:top 1.2s ease,left 1.2s ease;white-space:nowrap}.wm,.wm-tile{position:absolute;pointer-events:none}.wm-tile{inset:0;z-index:4;overflow:hidden;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr)}.wm-tile span{justify-content:center;transform:rotate(-22deg);color:rgba(255,255,255,.12);font-size:clamp(9px,1.3vw,13px);font-weight:700;white-space:nowrap}.player-bar,.wm-tile span{display:flex;align-items:center}.player-bar{justify-content:space-between;gap:12px;margin-top:10px;flex-wrap:wrap}.countdown{font-family:ui-monospace,monospace;font-size:16px;font-weight:700}.countdown.low{color:var(--danger)}