:root{--bg: #0b0d10;--bg-raised: #14171b;--border: #262b31;--text: #e9edf1;--text-dim: #8b939c;--accent: #5ee6b0;--accent-dim: #3a9d78;--error: #ff6b6b;--font-display: "Space Mono", monospace;--font-body: "Sora", sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);background-image:radial-gradient(circle at 15% 10%,rgba(94,230,176,.06),transparent 40%),radial-gradient(circle at 85% 90%,rgba(94,230,176,.04),transparent 35%);min-height:100vh}.app{max-width:880px;margin:0 auto;padding:48px 24px 80px}.app-header{margin-bottom:40px}.app-header-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px}.app-header h1{font-family:var(--font-display);font-size:28px;letter-spacing:-.5px;margin:0 0 8px;display:flex;align-items:baseline;gap:10px}.app-header h1 .dot{color:var(--accent)}.app-header p{color:var(--text-dim);margin:0;font-size:14px}.history-toggle{background:transparent;border:1px solid var(--border);color:var(--text-dim);font-family:var(--font-display);font-size:11px;letter-spacing:.5px;padding:8px 14px;border-radius:6px;cursor:pointer;transition:border-color .15s ease,color .15s ease}.history-toggle:hover{border-color:var(--accent-dim);color:var(--text)}.url-form{display:flex;gap:10px;margin-bottom:28px}.url-form input{flex:1;background:var(--bg-raised);border:1px solid var(--border);border-radius:8px;padding:14px 16px;color:var(--text);font-family:var(--font-body);font-size:14px;outline:none;transition:border-color .15s ease}.url-form input:focus{border-color:var(--accent-dim)}.url-form input::placeholder{color:var(--text-dim)}.url-form button{background:var(--accent);color:#04130c;border:none;border-radius:8px;padding:0 22px;font-family:var(--font-display);font-weight:700;font-size:13px;cursor:pointer;transition:opacity .15s ease,transform .1s ease}.url-form button:hover:not(:disabled){opacity:.88}.url-form button:active:not(:disabled){transform:scale(.97)}.url-form button:disabled{opacity:.4;cursor:not-allowed}.status-banner{font-family:var(--font-display);font-size:12.5px;padding:12px 16px;border-radius:8px;margin-bottom:24px;border:1px solid var(--border);background:var(--bg-raised);color:var(--text-dim);display:flex;align-items:center;gap:10px}.status-banner.error{border-color:#ff6b6b66;color:var(--error)}.status-banner .pulse{width:7px;height:7px;border-radius:50%;background:var(--accent);flex-shrink:0;animation:pulse 1.4s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}.player-wrapper{position:relative;width:100%;aspect-ratio:16 / 9;background:#000;border-radius:10px;overflow:hidden;border:1px solid var(--border)}#yt-player{width:100%;height:100%}.subtitle-overlay{position:absolute;bottom:28px;left:50%;transform:translate(-50%);max-width:88%;background:#0b0d10e0;border:1px solid rgba(94,230,176,.25);color:var(--text);padding:10px 18px;border-radius:6px;font-size:16px;font-weight:500;text-align:center;line-height:1.4;pointer-events:none}.source-tag{display:inline-block;margin-top:14px;font-family:var(--font-display);font-size:11px;color:var(--text-dim);letter-spacing:.5px}.source-tag .accent{color:var(--accent)}.history-panel{background:var(--bg-raised);border:1px solid var(--border);border-radius:10px;padding:18px;margin-bottom:28px}.history-panel-header{display:flex;align-items:center;justify-content:space-between;font-family:var(--font-display);font-size:12px;letter-spacing:.5px;color:var(--text-dim);margin-bottom:14px}.history-close{background:transparent;border:none;color:var(--text-dim);font-size:18px;line-height:1;cursor:pointer;padding:0 4px}.history-close:hover{color:var(--text)}.history-empty{color:var(--text-dim);font-size:13px;margin:0}.history-empty.error{color:var(--error)}.history-list{display:flex;flex-direction:row;gap:12px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin;scrollbar-color:var(--border) transparent}.history-list::-webkit-scrollbar{height:4px}.history-list::-webkit-scrollbar-track{background:transparent}.history-list::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.history-card{display:flex;flex-direction:column;text-align:left;background:var(--bg);border:1px solid var(--border);border-radius:8px;overflow:hidden;cursor:pointer;padding:0;flex-shrink:0;width:210px;transition:border-color .15s ease,transform .1s ease}.history-card:hover{border-color:var(--accent-dim)}.history-card:active{transform:scale(.98)}.history-thumb{width:100%;aspect-ratio:16 / 9;object-fit:cover;display:block;background:#000}.history-card-info{display:flex;flex-direction:column;gap:4px;padding:10px 12px}.history-title{color:var(--text);font-size:13px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.history-source{font-family:var(--font-display);font-size:10.5px;letter-spacing:.5px;color:var(--accent-dim)}