@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap";:root{--bg:#f5f5f7;--text:#1d1d1f;--accent:#06c;--accent-hover:#0077ed;--card-bg:#fffc;--border:#00000014}@media (prefers-color-scheme:dark){:root{--bg:#000;--text:#f5f5f7;--accent:#2997ff;--accent-hover:#1480ea;--card-bg:#1c1c1ecc;--border:#ffffff1a}}*{box-sizing:border-box;-webkit-font-smoothing:antialiased;margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif}body{background-color:var(--bg);color:var(--text);min-height:100vh;transition:background-color .3s,color .3s}.app-container{max-width:900px;margin:0 auto;padding:40px 20px}h1{letter-spacing:-.02em;text-align:center;margin-bottom:8px;font-size:2.5rem;font-weight:600}.subtitle{text-align:center;color:#86868b;margin-bottom:40px;font-size:1.1rem}.card{background:var(--card-bg);-webkit-backdrop-filter:saturate(180%)blur(20px);border:1px solid var(--border);border-radius:20px;margin-bottom:24px;padding:30px;box-shadow:0 4px 24px #0000000a}.upload-area{border:2px dashed var(--border);cursor:pointer;border-radius:16px;flex-direction:column;align-items:center;gap:16px;padding:40px 20px;transition:all .2s;display:flex}.upload-area:hover{border-color:var(--accent);background:#0066cc05}.upload-area.has-file{border-style:solid;border-color:var(--accent)}.upload-icon{color:var(--accent);width:48px;height:48px}.btn-primary{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:24px;align-items:center;gap:8px;padding:12px 24px;font-size:1rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary:hover{background:var(--accent-hover);transform:scale(1.02)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.transcript-grid{flex-wrap:wrap;gap:8px;margin-top:20px;line-height:2;display:flex}.word-chip{cursor:pointer;background:#8080801a;border:1px solid #0000;border-radius:8px;padding:4px 12px;transition:all .2s;position:relative}.word-chip:hover{background:#80808033}.word-chip.active{border-color:var(--accent);background:#0066cc1a}.word-chip.has-keyword{border-bottom:3px solid var(--accent)}.word-input{color:var(--text);text-align:center;background:0 0;border:none;outline:none;width:100%;padding:0;font-size:1rem}.word-popover{background:var(--card-bg);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border);z-index:50;border-radius:12px;flex-direction:column;gap:12px;min-width:220px;padding:16px;display:flex;position:absolute;top:120%;left:50%;transform:translate(-50%);box-shadow:0 10px 40px #00000026}.popover-arrow{background:var(--card-bg);border-top:1px solid var(--border);border-left:1px solid var(--border);width:12px;height:12px;position:absolute;top:-6px;left:50%;transform:translate(-50%)rotate(45deg)}.checkbox-label{cursor:pointer;align-items:center;gap:8px;font-size:.9rem;display:flex}select{border:1px solid var(--border);width:100%;color:var(--text);appearance:none;background:0 0;border-radius:8px;outline:none;padding:8px 12px;font-size:.9rem}.loading-container{flex-direction:column;align-items:center;gap:16px;padding:40px 0;display:flex}.spinner{border:3px solid #06c3;border-top-color:var(--accent);border-radius:50%;width:32px;height:32px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}video{background:#000;border-radius:16px;width:100%;box-shadow:0 10px 30px #0000001a}@media (width<=768px){.app-container{padding:20px 16px}h1{font-size:2rem}.card{border-radius:16px;padding:20px}.upload-area{padding:30px 16px}.btn-primary{justify-content:center;width:100%;padding:14px 24px}.word-chip{padding:6px 14px;font-size:1.1rem}.word-input{font-size:1.1rem}.transcript-grid{gap:12px 8px}.word-popover{width:260px;left:50%;transform:translate(-50%)}}