:root{--bg:#0a0a0a;--bg-card:#151515;--bg-hover:#1e1e1e;--text:#f0f0f0;--text-dim:#777;--accent:#4f8fff;--accent-hover:#3a7aee;--accent-glow:#4f8fff26;--green:#34c759;--red:#ff453a;--border:#2a2a2a;--radius:12px;--radius-sm:8px}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,sans-serif}#root{flex-direction:column;height:100%;display:flex}.setup-screen{padding:20px;padding-top:max(20px, calc(env(safe-area-inset-top,0px) + 16px));padding-bottom:max(20px, env(safe-area-inset-bottom,0px));-webkit-overflow-scrolling:touch;flex-direction:column;flex:1;align-items:center;display:flex;overflow-y:auto}.setup-card{flex-direction:column;gap:24px;width:100%;max-width:440px;margin:auto 0;display:flex}.setup-title{letter-spacing:-.5px;text-align:center;font-size:28px;font-weight:700}.setup-subtitle{color:var(--text-dim);text-align:center;margin-top:-16px;font-size:14px}.lang-hint{color:var(--text-dim);margin-bottom:12px;font-size:13px}.lang-grid{grid-template-columns:repeat(2,1fr);gap:8px;display:grid}.lang-btn{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-card);color:var(--text);cursor:pointer;user-select:none;justify-content:center;align-items:center;padding:12px 8px;font-size:15px;transition:all .15s;display:flex}.lang-btn:active{transform:scale(.97)}.lang-btn.active{border-color:var(--accent);background:var(--accent-glow);color:var(--accent);font-weight:600}.lang-btn.full:not(.active){opacity:.35;cursor:default}.model-hint{color:var(--text-dim);margin-bottom:12px;font-size:13px}.model-list{flex-direction:column;gap:8px;display:flex}.model-btn{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-card);color:var(--text);cursor:pointer;text-align:left;user-select:none;align-items:center;gap:10px;padding:14px 16px;font-size:14px;transition:all .15s;display:flex}.model-btn:active{transform:scale(.98)}.model-btn.active{border-color:var(--accent);background:var(--accent-glow)}.model-btn:disabled:not(.active),.model-btn.blocked{opacity:.3;cursor:default;transform:none}.model-label{white-space:nowrap;font-weight:600}.model-btn.active .model-label{color:var(--accent)}.model-desc{color:var(--text-dim);flex:1;font-size:12px}.model-size{color:var(--text-dim);white-space:nowrap;font-size:12px}.lang-hint-sub{opacity:.7;font-size:11px}.gpu-tag{background:var(--accent-glow);color:var(--accent);vertical-align:middle;letter-spacing:.5px;border-radius:4px;margin-left:6px;padding:1px 5px;font-size:9px;font-weight:700;display:inline-block}.gpu-detected{color:var(--green);font-size:12px}.model-progress{flex-direction:column;gap:8px;display:flex}.progress-bar-track{background:var(--border);border-radius:3px;height:6px;overflow:hidden}.progress-bar-fill{background:var(--accent);border-radius:3px;height:100%;transition:width .3s}.progress-text{color:var(--text-dim);font-size:12px}.setup-actions{flex-direction:column;gap:10px;display:flex}.btn{border-radius:var(--radius);cursor:pointer;user-select:none;border:none;padding:16px 24px;font-size:17px;font-weight:600;transition:all .15s}.btn:active{transform:scale(.98)}.btn-primary{background:var(--text);color:var(--bg)}.btn-primary:hover{opacity:.9}.btn-primary:disabled{opacity:.3;cursor:default;transform:none}.btn-accent{background:var(--accent);color:#fff}.btn-accent:hover{background:var(--accent-hover)}.btn-accent:disabled{opacity:.3;cursor:default;transform:none}.btn-disabled{background:var(--border);color:var(--text-dim);cursor:default}.setup-note{color:var(--text-dim);text-align:center;font-size:12px;line-height:1.6}.backend-badge{color:var(--green);text-align:center;border-radius:var(--radius-sm);letter-spacing:.5px;background:#34c7591a;padding:6px 12px;font-size:12px}.error-message{color:var(--red);border-radius:var(--radius-sm);background:#ff453a1a;padding:12px;font-size:13px}.subtitle-screen{flex-direction:column;flex:1;height:100%;display:flex;position:relative}.subtitle-controls{padding:12px 16px;padding-top:max(12px, env(safe-area-inset-top));z-index:10;opacity:0;pointer-events:none;background:linear-gradient(#000000d9,#0000);justify-content:space-between;align-items:center;transition:opacity .3s;display:flex;position:fixed;top:0;left:0;right:0}.subtitle-controls.visible{opacity:1;pointer-events:auto}.font-controls{align-items:center;gap:8px;display:flex}.font-size-label{color:var(--text-dim);text-align:center;min-width:24px;font-size:13px}.ctrl-btn{border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);cursor:pointer;-webkit-backdrop-filter:blur(10px);user-select:none;background:#1e1e1ee6;padding:8px 14px;font-size:14px;font-weight:600}.ctrl-btn:active{transform:scale(.95)}.stop-btn{border-color:var(--red);color:var(--red)}.subtitle-content{-webkit-overflow-scrolling:touch;flex:1;padding:72px 20px 40px;overflow-y:auto}.subtitle-placeholder{color:var(--text-dim);text-align:center;padding-top:30vh}.subtitle-line{word-wrap:break-word;margin-bottom:16px;line-height:1.5;animation:.3s fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}