/* SRT to Audio v3 — Usage Limits + Dual Engine */

.s2a-wrap {
    --s2a-bg: #1e1e28; --s2a-surface: #282836; --s2a-surface2: #303042;
    --s2a-border: rgba(255,255,255,0.08); --s2a-border-h: rgba(255,255,255,0.15);
    --s2a-text: #e0ded9; --s2a-dim: #8a8898; --s2a-muted: #656375;
    --s2a-accent: #e8590c; --s2a-accent2: #ff8c42; --s2a-accent-glow: rgba(232,89,12,0.12);
    --s2a-green: #34d399; --s2a-red: #f87171; --s2a-purple: #8b5cf6;
    --s2a-yellow: #fbbf24; --s2a-blue: #3b82f6; --s2a-radius: 10px;
    max-width: 740px; margin: 0 auto; padding: 28px 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.55; box-sizing: border-box;
}
.s2a-wrap *, .s2a-wrap *::before, .s2a-wrap *::after { box-sizing: border-box; }

/* Themes */
.s2a-dark { background: var(--s2a-bg); color: var(--s2a-text); border-radius: 16px; border: 1px solid var(--s2a-border); }
.s2a-light {
    --s2a-bg:#fefefe; --s2a-surface:#f5f5f7; --s2a-surface2:#ebebf0;
    --s2a-border:#e0e0e6; --s2a-border-h:#ccc; --s2a-text:#1a1a2e;
    --s2a-dim:#6b7280; --s2a-muted:#9ca3af; --s2a-accent-glow:rgba(232,89,12,0.08);
    background:var(--s2a-bg); color:var(--s2a-text); border-radius:16px; border:1px solid var(--s2a-border); box-shadow:0 4px 24px rgba(0,0,0,0.06);
}

/* === Usage Bar === */
.s2a-usage-bar {
    background: var(--s2a-surface); border: 1px solid var(--s2a-border);
    border-radius: 12px; padding: 14px 18px; margin-bottom: 16px;
    position: relative;
}
.s2a-usage-left, .s2a-usage-right { display: inline-block; font-size: 13px; }
.s2a-usage-left { color: var(--s2a-text); }
.s2a-usage-right { float: right; color: var(--s2a-accent2); font-size: 12px; }
.s2a-usage-icon { margin-right: 4px; }
.s2a-usage-track {
    margin-top: 10px; background: var(--s2a-surface2); border-radius: 6px; height: 8px; overflow: hidden;
}
.s2a-usage-fill {
    height: 100%; border-radius: 6px; transition: width 0.5s;
    background: linear-gradient(90deg, var(--s2a-green), var(--s2a-yellow), var(--s2a-accent), var(--s2a-red));
    background-size: 300% 100%;
}

/* === Bonus Buttons === */
.s2a-bonus-row { display: flex; gap: 10px; margin-bottom: 18px; }
.s2a-bonus-btn {
    flex: 1; display: flex; align-items: center; gap: 8px;
    padding: 12px 16px; border-radius: var(--s2a-radius);
    border: 1px dashed var(--s2a-border); background: transparent;
    color: var(--s2a-dim); cursor: pointer; font-size: 13px;
    transition: all 0.25s;
}
.s2a-bonus-btn:hover:not(:disabled) { border-color: var(--s2a-accent); color: var(--s2a-text); background: var(--s2a-accent-glow); }
.s2a-bonus-btn:disabled { opacity: 0.5; cursor: default; }
.s2a-bonus-share:hover:not(:disabled) { border-color: var(--s2a-blue); background: rgba(59,130,246,0.08); }
.s2a-bonus-ad:hover:not(:disabled) { border-color: var(--s2a-yellow); background: rgba(251,191,36,0.08); }
.s2a-bonus-icon { font-size: 18px; }

/* === Ad Modal === */
.s2a-ad-modal { position: fixed; inset: 0; z-index: 99999; display: flex; align-items: center; justify-content: center; }
.s2a-ad-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.75); }
.s2a-ad-content {
    position: relative; width: 90%; max-width: 480px;
    background: var(--s2a-surface); border: 1px solid var(--s2a-border);
    border-radius: 16px; overflow: hidden;
}
.s2a-ad-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 14px 18px; font-size: 14px; font-weight: 600; color: var(--s2a-text);
    border-bottom: 1px solid var(--s2a-border);
}
.s2a-ad-timer {
    background: var(--s2a-accent); color: #fff; padding: 3px 10px;
    border-radius: 20px; font-size: 13px; font-weight: 700; min-width: 40px; text-align: center;
}
.s2a-ad-body { padding: 20px; min-height: 200px; display: flex; align-items: center; justify-content: center; }
.s2a-ad-placeholder { text-align: center; color: var(--s2a-dim); }
.s2a-ad-placeholder-icon { font-size: 48px; margin-bottom: 10px; }
.s2a-ad-progress { height: 4px; background: var(--s2a-surface2); }
.s2a-ad-progress-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--s2a-accent), var(--s2a-yellow)); transition: width 1s linear; }
.s2a-ad-close {
    width: 100%; padding: 14px; border: none; border-top: 1px solid var(--s2a-border);
    background: transparent; color: var(--s2a-dim); font-size: 14px;
    cursor: pointer; font-weight: 600; transition: all 0.2s;
}
.s2a-ad-close:not(:disabled):hover { background: var(--s2a-accent-glow); color: var(--s2a-accent2); }
.s2a-ad-close:disabled { cursor: default; }

/* === Shared Components === */
.s2a-section { margin-bottom: 16px; }
.s2a-label { display:block; font-size:10px; font-weight:600; text-transform:uppercase; letter-spacing:1.2px; color:var(--s2a-dim); margin-bottom:8px; }
.s2a-hint { font-size:11px; color:var(--s2a-muted); margin-top:4px; }
.s2a-select {
    width:100%; padding:10px 14px; background:var(--s2a-bg); border:1px solid var(--s2a-border);
    border-radius:8px; color:var(--s2a-text); font-size:13px; outline:none; transition:border-color 0.2s;
    appearance:none; cursor:pointer;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238a8898'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat:no-repeat; background-position:right 12px center; padding-right:32px;
}
.s2a-select:focus { border-color:var(--s2a-accent); box-shadow:0 0 0 3px var(--s2a-accent-glow); }
.s2a-select option { background:#1a1a2e; color:#e0ded9; padding:8px; }
.s2a-light .s2a-select option { background:#ffffff; color:#1a1a2e; }
.s2a-grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media (max-width:600px) { .s2a-grid-2{grid-template-columns:1fr;} .s2a-bonus-row{flex-direction:column;} }

.s2a-range { width:100%; height:6px; -webkit-appearance:none; appearance:none; background:var(--s2a-surface2); border-radius:4px; outline:none; margin-top:6px; }
.s2a-range::-webkit-slider-thumb { -webkit-appearance:none; width:18px; height:18px; border-radius:50%; cursor:pointer; background:var(--s2a-accent); border:2px solid var(--s2a-bg); }

/* Engine Tabs */
.s2a-engine-tabs { display:flex; gap:10px; }
.s2a-engine-tab {
    flex:1; padding:14px 16px; border-radius:var(--s2a-radius); border:2px solid var(--s2a-border);
    background:transparent; color:var(--s2a-dim); cursor:pointer; text-align:left;
    transition:all 0.25s; display:flex; flex-direction:column; gap:4px;
}
.s2a-engine-tab span:last-child { font-size:11px; opacity:0.6; }
.s2a-engine-tab.active[data-engine="openai"] { border-color:#10a37f; background:rgba(16,163,127,0.08); color:var(--s2a-text); }
.s2a-engine-tab.active[data-engine="elevenlabs"] { border-color:var(--s2a-purple); background:rgba(139,92,246,0.08); color:var(--s2a-text); }
.s2a-badge { display:inline-block; padding:2px 10px; border-radius:4px; font-size:12px; font-weight:700; }
.s2a-badge.openai { background:#10a37f; color:#fff; }
.s2a-badge.eleven { background:var(--s2a-purple); color:#fff; }
.s2a-panel { background:var(--s2a-surface); border:1px solid var(--s2a-border); border-radius:var(--s2a-radius); padding:20px; margin-bottom:16px; }

/* Pills, Mode, Dropzone, Preview, Button, Progress, Error, Result, Logs — same as v2 */
.s2a-pills { display:flex; gap:6px; flex-wrap:wrap; }
.s2a-pill { padding:7px 14px; border-radius:20px; border:1px solid var(--s2a-border); background:transparent; color:var(--s2a-dim); cursor:pointer; font-size:12px; font-weight:500; transition:all 0.2s; }
.s2a-pill.active { border-color:var(--s2a-accent); background:var(--s2a-accent-glow); color:var(--s2a-accent2); }
.s2a-mode-group { display:flex; gap:8px; }
.s2a-mode-btn { flex:1; padding:12px; border-radius:8px; border:1px solid var(--s2a-border); background:transparent; color:var(--s2a-dim); cursor:pointer; text-align:left; transition:all 0.2s; }
.s2a-mode-btn strong { display:block; font-size:13px; margin-bottom:2px; }
.s2a-mode-btn span { font-size:10px; opacity:0.6; }
.s2a-mode-btn.active { border-color:var(--s2a-accent); background:var(--s2a-accent-glow); color:var(--s2a-accent2); }
.s2a-mode-btn.active strong { color:var(--s2a-text); }

.s2a-dropzone { border:2px dashed var(--s2a-border); border-radius:16px; padding:44px 24px; text-align:center; cursor:pointer; transition:all 0.3s; margin-bottom:16px; }
.s2a-dropzone.dragover { border-color:var(--s2a-accent); background:var(--s2a-accent-glow); }
.s2a-dz-icon { font-size:38px; margin-bottom:12px; }
.s2a-dz-text { font-size:15px; color:var(--s2a-dim); }
.s2a-dz-text strong { color:var(--s2a-accent); }
.s2a-dz-hint { font-size:12px; color:var(--s2a-muted); margin-top:4px; }

.s2a-dz-buttons { display:flex; gap:10px; margin-top:16px; justify-content:center; }
.s2a-dz-btn {
    padding:10px 22px; border-radius:8px; font-size:13px; font-weight:600;
    cursor:pointer; transition:all 0.2s; border:none; display:flex; align-items:center; gap:6px;
}
.s2a-dz-btn-file { background:var(--s2a-accent); color:#fff; }
.s2a-dz-btn-file:hover { background:var(--s2a-accent2); transform:translateY(-1px); box-shadow:0 4px 12px rgba(232,89,12,0.3); }
.s2a-dz-btn-folder { background:var(--s2a-surface2); color:var(--s2a-dim); border:1px solid var(--s2a-border) !important; }
.s2a-dz-btn-folder:hover { color:var(--s2a-text); border-color:var(--s2a-border-h) !important; background:var(--s2a-surface); }

.s2a-preview { background:var(--s2a-surface); border:1px solid var(--s2a-border); border-radius:var(--s2a-radius); padding:16px; margin-bottom:16px; max-height:200px; overflow-y:auto; }
.s2a-preview::-webkit-scrollbar { width:4px; }
.s2a-preview::-webkit-scrollbar-thumb { background:var(--s2a-border-h); border-radius:4px; }
.s2a-preview-item { display:flex; gap:10px; padding:5px 0; border-bottom:1px solid var(--s2a-border); font-size:12px; }
.s2a-preview-idx { color:var(--s2a-accent); min-width:28px; font-weight:600; }
.s2a-preview-time { color:var(--s2a-muted); min-width:85px; font-size:11px; }
.s2a-preview-text { flex:1; }

.s2a-btn-process { width:100%; padding:16px; border-radius:12px; border:none; background:linear-gradient(135deg,var(--s2a-accent),var(--s2a-accent2)); color:#0a0a0f; font-size:16px; font-weight:700; cursor:pointer; margin-bottom:20px; box-shadow:0 4px 20px rgba(232,89,12,0.3); transition:all 0.3s; }
.s2a-btn-process:hover:not(:disabled) { box-shadow:0 6px 28px rgba(232,89,12,0.4); transform:translateY(-1px); }
.s2a-btn-process:disabled { background:var(--s2a-surface2); color:var(--s2a-muted); cursor:not-allowed; box-shadow:none; transform:none; }

.s2a-progress-section { margin-bottom:20px; text-align:center; }
.s2a-waveform { display:flex; align-items:flex-end; justify-content:center; gap:3px; height:50px; margin-bottom:14px; }
.s2a-wave-bar { width:3px; border-radius:2px; background:linear-gradient(180deg,var(--s2a-accent2),var(--s2a-accent)); height:4px; transition:height 0.12s; }
.s2a-progress-track { background:var(--s2a-surface2); border-radius:8px; height:5px; overflow:hidden; }
.s2a-progress-fill { height:100%; width:0%; background:linear-gradient(90deg,var(--s2a-accent),var(--s2a-accent2)); border-radius:8px; transition:width 0.5s; }
.s2a-progress-text { font-size:11px; color:var(--s2a-dim); margin-top:8px; }

.s2a-error { background:rgba(248,113,113,0.08); border:1px solid rgba(248,113,113,0.2); border-radius:var(--s2a-radius); padding:14px; margin-bottom:16px; font-size:13px; color:var(--s2a-red); }
.s2a-result { background:linear-gradient(135deg,rgba(232,89,12,0.06),rgba(255,140,66,0.04)); border:1px solid rgba(232,89,12,0.2); border-radius:14px; padding:22px; margin-bottom:16px; }
.s2a-result audio { border-radius:8px; }
.s2a-btn-download { width:100%; padding:13px; border-radius:10px; border:1px solid rgba(232,89,12,0.3); background:rgba(232,89,12,0.08); color:var(--s2a-accent2); font-size:14px; font-weight:600; cursor:pointer; transition:background 0.2s; }
.s2a-btn-download:hover { background:rgba(232,89,12,0.15); }
.s2a-result-buttons { display:flex; gap:10px; }
.s2a-btn-newfile { width:100%; padding:13px; border-radius:10px; border:1px solid var(--s2a-border); background:var(--s2a-surface2); color:var(--s2a-dim); font-size:14px; font-weight:600; cursor:pointer; transition:all 0.2s; }
.s2a-btn-newfile:hover { border-color:var(--s2a-accent); color:var(--s2a-text); background:var(--s2a-accent-glow); }

.s2a-logs { background:rgba(0,0,0,0.3); border:1px solid var(--s2a-border); border-radius:var(--s2a-radius); padding:16px; max-height:250px; overflow-y:auto; font-size:11px; font-family:'Courier New',monospace; }
.s2a-log-item { padding:2px 0; }
.s2a-log-item.info { color:var(--s2a-dim); }
.s2a-log-item.success { color:var(--s2a-green); }
.s2a-log-item.error { color:var(--s2a-red); }
.s2a-log-time { color:var(--s2a-muted); }