@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-dark:#020617;--bg-primary:#0f172a;--bg-surface:#1e293b;--accent-1:#eab308;--accent-2:#facc15;--accent-glow:#eab30833;--text-main:#f8fafc;--text-muted:#94a3b8;--border-color:#ffffff1a;--glass-bg:#0f172a99;--audio-level:.1}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-dark);color:var(--text-main);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;position:relative;overflow:hidden}.background-container{z-index:-1;background:radial-gradient(circle at top center, var(--bg-primary) 0%, var(--bg-dark) 100%);position:absolute;inset:0}.background-container:before{content:"";background:radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);filter:blur(60px);opacity:.5;height:40%;position:absolute;top:-20%;left:20%;right:20%}.wave{border:1px solid var(--accent-glow);opacity:0;border-radius:50%;width:40vw;height:40vw;transition:transform .1s cubic-bezier(.4,0,.2,1);position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)scale(1)}.wave.active{transform:translate(-50%, -50%) scale(calc(1 + var(--audio-level) * .5));opacity:calc(.3 + var(--audio-level));box-shadow:0 0 40px var(--accent-glow), inset 0 0 20px var(--accent-glow)}.wave:nth-child(2){border:1px dashed #ffffff1a;width:50vw;height:50vw}.wave.active:nth-child(2){transform:translate(-50%, -50%) scale(calc(1 + var(--audio-level) * .3));opacity:calc(.1 + var(--audio-level))}.app-container{z-index:1;flex-direction:column;min-height:100vh;display:flex;position:relative}.home-screen{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:2.5rem 4rem;display:flex}.school-name{text-transform:uppercase;letter-spacing:.3em;color:var(--accent-1);margin-bottom:1.5rem;font-size:.85rem;font-weight:600;animation:1s ease-out fadeIn}h1{letter-spacing:-.02em;color:var(--text-main);margin-bottom:.5rem;font-size:5rem;font-weight:700;animation:.8s cubic-bezier(.16,1,.3,1) slideUp}.subtitle{color:var(--text-muted);max-width:600px;font-size:1.25rem;font-weight:400;line-height:1.6;animation:1.2s ease-out fadeIn}.btn-start{color:var(--bg-dark);background:var(--accent-1);cursor:pointer;border:none;border-radius:8px;margin-top:3.5rem;padding:1rem 3.5rem;font-size:1.1rem;font-weight:600;transition:all .2s;animation:.8s cubic-bezier(.16,1,.3,1) .2s both slideUp;box-shadow:0 4px 14px #eab30863}.btn-start:hover{background:var(--accent-2);transform:translateY(-2px);box-shadow:0 6px 20px #eab3083b}.features-text{color:var(--text-muted);letter-spacing:.15em;text-transform:uppercase;margin-top:3rem;font-size:.85rem;animation:1.5s ease-out fadeIn}.presentation-screen{z-index:100;background:#000;flex-direction:column;flex:1;display:flex;position:absolute;inset:0}.video-area{background:#000;flex-direction:column;flex:1;display:flex;position:relative;overflow:hidden}.presentation-video{object-fit:contain;background-color:#000;width:100%;height:100%}.subtitles-overlay{pointer-events:none;z-index:10;justify-content:center;width:100%;padding:2rem 4rem;display:flex;position:absolute;left:0;right:0}.subtitles-overlay.position-bottom{background:linear-gradient(#0000 0%,#0009 50%,#000000e6 100%);align-items:flex-end;top:auto;bottom:0}.subtitles-overlay.position-top{background:linear-gradient(#000000e6 0%,#0009 50%,#0000 100%);align-items:flex-start;top:0;bottom:auto}.subtitles-text{text-align:center;color:#fff;text-shadow:2px 2px 4px #000c,0 0 20px #00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0006;border-radius:12px;max-width:1400px;padding:1rem 2rem;font-weight:600;line-height:1.3;transition:all .3s}.subtitles-text.size-small{font-size:clamp(1.5rem,2.5vw,2rem)}.subtitles-text.size-medium{font-size:clamp(2rem,3.5vw,3rem)}.subtitles-text.size-large{font-size:clamp(3rem,5vw,4.5rem)}.subtitles-text.empty{color:#fffc;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0000004d;font-weight:500}.controls-footer{-webkit-backdrop-filter:blur(16px);z-index:20;opacity:0;background:#0009;border:none;justify-content:space-between;align-items:center;padding:1.25rem 2rem;transition:opacity .3s;display:flex;position:absolute;bottom:0;left:0;right:0}.presentation-screen:hover .controls-footer{opacity:1}.audio-indicator{color:var(--accent-1);letter-spacing:.05em;text-transform:uppercase;align-items:center;gap:1rem;font-size:.9rem;font-weight:500;display:flex}.settings-panel{gap:1rem;display:flex}.setting-select{color:var(--text-main);cursor:pointer;background:#ffffff1a;border:1px solid #fff3;border-radius:6px;outline:none;padding:.5rem 1rem;font-family:inherit;font-size:.9rem}.setting-select:focus{border-color:var(--accent-1)}.setting-select option{background:var(--bg-surface);color:var(--text-main)}.bars{align-items:center;gap:3px;height:20px;display:flex}.bar{background:var(--accent-1);border-radius:2px;width:4px}.action-buttons{gap:1rem;display:flex}.btn-icon{color:var(--text-main);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.2rem;transition:all .2s;display:flex}.btn-icon:hover{background:#ffffff1a}.btn-end{color:var(--accent-1);background:#eab3081a}.btn-end:hover{background:var(--accent-1);color:var(--bg-dark)}.completed-screen{flex-direction:column;flex:1;width:100%;max-width:900px;margin:0 auto;padding:2.5rem 4rem;display:flex}.completed-title{text-align:center;color:var(--text-main);letter-spacing:-.02em;margin-bottom:.5rem;font-size:2.5rem;font-weight:700}.transcript-result-box{color:#334155;background:#fff;border:1px solid #e2e8f0;border-radius:12px;flex:1;max-height:55vh;margin:2rem 0;padding:2.5rem;font-size:1.25rem;line-height:1.7;animation:.5s ease-out fadeIn;overflow-y:auto;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -4px #0000001a}.result-actions{justify-content:center;gap:1.5rem;display:flex}.btn-secondary{color:var(--text-main);cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:.5rem;padding:.8rem 2rem;font-size:1rem;font-weight:500;transition:all .2s;display:flex}.btn-secondary:hover{background:#ffffff0d}.btn-primary{background:var(--accent-1);color:var(--bg-dark);cursor:pointer;border:none;border-radius:8px;align-items:center;gap:.5rem;padding:.8rem 2rem;font-size:1rem;font-weight:600;transition:all .2s;display:flex}.btn-primary:hover{background:var(--accent-2);transform:translateY(-1px)}.error-msg{color:#ef4444;background:#ef44441a;border:1px solid #ef444433;border-radius:8px;margin-top:2rem;padding:1rem;font-size:.9rem;font-weight:500}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@media (width<=768px){.app-container{padding:1.5rem}h1{font-size:3rem}.transcript-text{font-size:1.75rem}.controls-footer{border-radius:12px;flex-direction:column;gap:1.5rem}.result-actions{flex-direction:column;gap:1rem}.btn-secondary,.btn-primary{justify-content:center}}