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alternate}.slide-stage{background:#b76e7912;border-radius:20px;min-height:380px;padding:32px;display:flex;flex-direction:column;justify-content:center;border:1px solid rgba(183,110,121,.2);position:relative;word-break:break-word;overflow-wrap:break-word}.slide-title{font-family:var(--serif);font-size:clamp(18px,3vw,28px);color:#b76e79;margin-bottom:18px;opacity:0;transform:translateY(20px);transition:all .6s cubic-bezier(.16,1,.3,1);word-break:break-word}.slide-text{font-size:clamp(14px,2vw,18px);line-height:1.65;color:#e2e8f0;opacity:0;transform:translateY(20px);transition:all .6s cubic-bezier(.16,1,.3,1) .2s;word-break:break-word;overflow-wrap:break-word}.slide-active .slide-title,.slide-active .slide-text{opacity:1;transform:translateY(0)}.video-scrubber{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;margin-top:16px;padding:0 16px;width:100%}.audio-section{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:12px;border:1.5px solid var(--warm);transition:.2s;margin-bottom:12px;flex-wrap:wrap}.audio-section.active{background:var(--brand-light);border-color:var(--brand2)}.audio-section-btn{flex-shrink:0;padding:8px 14px;border-radius:50px;border:none;color:#fff;font-size:12px;font-weight:700;cursor:pointer;font-family:var(--sans);white-space:nowrap;display:flex;align-items:center;gap:6px;min-height:36px;touch-action:manipulation}.audio-section-text{flex:1;min-width:0;font-size:13px;line-height:1.7;color:var(--text);word-break:break-word;overflow-wrap:break-word}.audio-section-label{font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}.results-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#1e1b4ba6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:500;align-items:center;justify-content:center;padding:16px;overflow-y:auto}.results-overlay.open{display:flex}.results-modal{background:#fff;border-radius:24px;width:100%;max-width:800px;max-height:88vh;overflow:hidden;box-shadow:0 24px 80px #6d28d940;display:flex;flex-direction:column;animation:mIn .3s ease}.results-header{padding:20px 28px;background:linear-gradient(135deg,var(--brand-dark),var(--brand2));color:#fff;display:flex;justify-content:space-between;align-items:center;flex-shrink:0}.results-body{padding:24px 28px;overflow-y:auto;flex:1}@keyframes gentle-bob{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes speakPulse{0%{transform:scaleY(.6);opacity:.6}to{transform:scaleY(1.4);opacity:1}}@keyframes mIn{0%{transform:scale(.95) translateY(16px);opacity:0}to{transform:none;opacity:1}}@keyframes pd{0%,to{opacity:1}50%{opacity:.3}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes ocrPulse{0%{width:15%;opacity:.7}50%{width:85%;opacity:1}to{width:15%;opacity:.7}}.active-syl-pill{display:flex;align-items:center;gap:6px;padding:4px 12px;border-radius:50px;background:#6b52b01a;border:1px solid rgba(107,82,176,.25);font-size:12px;font-weight:600;color:#4a3890;max-width:280px;overflow:hidden;white-space:nowrap}.active-syl-pill span{overflow:hidden;text-overflow:ellipsis}.mobile-menu-btn{display:none;background:none;border:none;font-size:22px;cursor:pointer;color:#1b1a3e;padding:4px;border-radius:6px;transition:.15s}.mobile-menu-btn:hover{background:#6b52b01a}.topbar-signout-mobile{display:none;padding:8px 12px;border-radius:8px;border:1px solid rgba(107,82,176,.25);background:#6b52b014;color:#1b1a3e;font-size:12px;font-weight:700;cursor:pointer;font-family:inherit;min-height:40px;white-space:nowrap}.topbar-signout-mobile:hover{background:#6b52b024}@media (max-width: 768px){.sidebar{position:fixed;left:0;top:0;bottom:0;z-index:50;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sb-overlay.show,.mobile-menu-btn{display:block}.topbar-signout-mobile{display:inline-flex;align-items:center}.topbar-brand{display:none!important}.stats-grid{grid-template-columns:1fr 1fr}.video-container{grid-template-columns:1fr;gap:20px}.teacher-avatar-box{width:100%;height:200px}.avatar-icon{font-size:60px}.slide-stage{min-height:260px;padding:20px}.video-close-btn{padding:12px 16px 6px}.panel{padding:16px;padding-bottom:env(safe-area-inset-bottom,16px)}}@media (max-width: 480px){.stats-grid{grid-template-columns:1fr}.video-close-btn button{width:48px;height:48px;font-size:22px}.slide-stage{min-height:220px;padding:16px}.slide-title{font-size:16px;margin-bottom:12px}.slide-text{font-size:13px}.audio-section{flex-direction:column;gap:10px}.audio-section-btn{align-self:flex-start}.panel{padding:12px;padding-bottom:env(safe-area-inset-bottom,12px)}}.toast{position:fixed;top:20px;right:20px;z-index:9999;padding:12px 20px;border-radius:12px;font-family:var(--sans);font-size:14px;font-weight:600;color:#fff;background:var(--text);box-shadow:0 8px 32px #6d28d940;pointer-events:none;opacity:0;transform:translateY(-8px);transition:opacity .25s ease,transform .25s ease;max-width:calc(100vw - 40px);word-break:break-word}.toast.show{opacity:1;transform:translateY(0)}.toast.success{background:#065f46}.toast.error{background:var(--red)}.toast.warning{background:#92400e}.toast.info{background:var(--brand)}