:root{--bg: #0b0c0f; --fg:#e6e7ea; --muted:#a6adbb; --card:#14161a; --border:#2a2e36; --brand:#6aa6ff; --danger:#ff6a88}
@media (prefers-color-scheme: light){:root{--bg:#ffffff; --fg:#111418; --muted:#586174; --card:#f7f8fa; --border:#e5e7eb; --brand:#2563eb; --danger:#dc2626}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:14px/1.5 system-ui,Segoe UI,Roboto,Helvetica,Arial}
.header{padding:24px 16px;max-width:1000px;margin:0 auto}
.lead{color:var(--muted)}
.container{max-width:1000px;margin:0 auto;padding:0 16px 48px}
.file-input{margin:8px 0}
.label{display:block;margin:4px 0;color:var(--muted)}
input[type=file],input[type=text],input[type=number],textarea{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:var(--card);color:var(--fg)}
textarea{resize:vertical}
.controls{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.btn{padding:8px 12px;border:1px solid var(--border);background:var(--card);color:var(--fg);border-radius:8px;cursor:pointer}
.btn.primary{background:var(--brand);border-color:var(--brand);color:white}
.btn.danger{background:var(--danger);border-color:var(--danger);color:white}
.player{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px}
video{width:100%;max-height:50vh;background:black;border-radius:8px}
.waveform{width:100%;display:block;margin-top:8px;background:linear-gradient(180deg, rgba(255,255,255,0.06), transparent)}
.warning{color:#f59e0b;margin-top:6px}
.timeline{margin-top:12px}
.cue-list{list-style:none;padding:0;margin:0;max-height:250px;overflow:auto;border:1px solid var(--border);border-radius:8px;background:var(--card)}
.cue-list li{display:flex;gap:8px;padding:8px;border-bottom:1px dashed var(--border);align-items:flex-start}
.cue-list li.selected{outline:2px solid var(--brand)}
.cue-time{min-width:170px;color:var(--muted);font-family:ui-monospace, SFMono-Regular, Menlo, monospace}
.editor{margin-top:24px}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.grid .full{grid-column:1/-1}
.notes{color:var(--muted);margin-top:16px}
@media (max-width:720px){.grid{grid-template-columns:1fr}}

.btn.tiny{padding:4px 8px;font-size:12px;margin-top:6px}

.modal{position:fixed;inset:0;background:rgba(0,0,0,0.6);display:flex;align-items:center;justify-content:center}
.modal[hidden]{display:none}
.modal-content{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;max-width:420px;width:90%}