*{box-sizing:border-box}
:root{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:#181818;background:#f6f6f4}
body{margin:0}.app{max-width:900px;margin:0 auto;padding:28px 20px 70px}
.header{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:24px}
.eyebrow{font-size:12px;letter-spacing:.12em;color:#666;font-weight:700}h1{font-size:28px;margin:6px 0 0}h2{font-size:24px;margin:8px 0 12px}h3{font-size:17px;margin:0}
p{line-height:1.7;color:#555}.save-status{font-size:12px;color:#666;padding-top:5px}
.progress-wrap{margin-bottom:28px}.progress-bar{height:5px;background:#ddd;border-radius:99px;overflow:hidden}
#progressFill{height:100%;width:25%;background:#222;transition:width .2s}.step-labels{display:grid;grid-template-columns:repeat(4,1fr);font-size:11px;color:#888;margin-top:8px}
.step-labels span{text-align:center}.step-labels span:first-child{text-align:left}.step-labels span:last-child{text-align:right}
.step{display:none}.step.active{display:block}.card{background:#fff;border:1px solid #e2e2df;border-radius:18px;padding:30px;box-shadow:0 8px 30px rgba(0,0,0,.04)}
.field{display:block;margin:18px 0}.field span{display:block;font-size:14px;font-weight:650;margin-bottom:8px}
input[type=text]{width:100%;border:1px solid #ccc;border-radius:9px;padding:11px 12px;font:inherit;background:#fff}
button{border:0;border-radius:10px;padding:12px 18px;font:inherit;font-weight:650;cursor:pointer;margin-top:8px}
button.primary{background:#171717;color:#fff}button.secondary{background:#ecece8;color:#222;margin-left:8px}
button:disabled{opacity:.35;cursor:not-allowed}.notice{background:#f3f3ef;padding:14px 16px;border-radius:10px;font-size:13px;line-height:1.7;margin:18px 0}
.audio-player{margin:24px 0 18px}audio{width:100%}.audio-meta{display:flex;justify-content:space-between;font-size:12px;color:#777;margin-top:6px}
.transcript-header{display:flex;justify-content:space-between;align-items:center;margin:22px 0 10px}.transcript-header span{font-size:12px;color:#888}
.transcript{height:360px;overflow-y:auto;border:1px solid #ddd;border-radius:12px;padding:12px;background:#fafaf8;scroll-behavior:smooth}
.transcript-line{padding:10px 12px;border-radius:9px;cursor:pointer;line-height:1.65;color:#555;transition:background .18s,color .18s,box-shadow .18s,font-weight .18s}
.transcript-line:hover{background:#eee}.transcript-line.active{background:#e1e1da;color:#111;font-weight:650;box-shadow:inset 3px 0 0 #222}.transcript-line .time{display:inline-block;min-width:48px;color:#999;font-size:11px;margin-right:8px}
.empty-transcript{text-align:center;padding:80px 20px;color:#999}.completion-message{margin:18px 0;padding:13px 15px;border-radius:10px;background:#edf5ed;color:#315d31;font-size:14px}
.hidden{display:none}.small{font-size:13px}@media(max-width:600px){.app{padding:18px 12px 50px}.card{padding:20px}.header{display:block}.save-status{margin-top:10px}.transcript{height:300px}button.secondary{margin-left:0}}

.transcript-line{user-select:none}.transcript-line:active{transform:scale(.995)}