:root { color-scheme: dark; }
* { box-sizing: border-box; }
body { margin:0; background:#0f0f1a; color:#e6e6ee; font-family:system-ui,Segoe UI,Roboto,sans-serif; min-height:100vh; }
.wrap { max-width:820px; margin:0 auto; padding:26px 18px 30px; }
h1 { text-align:center; font-size:28px; font-weight:800; margin:8px 0 4px; background:linear-gradient(135deg,#8b9bff,#c58bff);-webkit-background-clip:text;background-clip:text;color:transparent; }
.subtitle { text-align:center; opacity:.7; margin:0 0 22px; }
.card { background:#12121e; border:1px solid #23233a; border-radius:12px; padding:16px; margin-bottom:18px; }
.tabs { display:flex; border-bottom:1px solid #23233a; margin:-16px -16px 14px; }
.tab { flex:1; text-align:center; padding:14px; cursor:pointer; color:#9a9ab0; }
.tab.active { color:#c58bff; border-bottom:2px solid #c58bff; }
textarea { width:100%; min-height:150px; background:#0f0f1a; color:#e6e6ee; border:1px solid #2a2a40; border-radius:8px; padding:10px; font-size:14px; resize:vertical; }
input[type=file] { color:#b9b9c9; }
.row { display:flex; gap:16px; flex-wrap:wrap; }
.grp { flex:1; min-width:200px; margin-bottom:10px; }
label { display:block; font-size:13px; font-weight:600; margin-bottom:5px; }
select { width:100%; background:#0f0f1a; color:#e6e6ee; border:1px solid #2a2a40; border-radius:8px; padding:9px; }
.btn { width:100%; padding:15px; border:none; border-radius:10px; font-size:16px; font-weight:700; color:#fff; cursor:pointer; background:linear-gradient(135deg,#8b5cf6,#c58bff); }
.btn:disabled { opacity:.5; cursor:default; }
.muted { opacity:.6; font-size:12px; }
.hidden { display:none; }
.prog { height:8px; background:#23233a; border-radius:6px; overflow:hidden; margin:10px 0; }
.prog > div { height:100%; width:0; background:linear-gradient(90deg,#8b5cf6,#c58bff); transition:width .3s; }
audio { width:100%; margin-top:8px; }
.engine-bar { display:flex; align-items:center; gap:10px; flex-wrap:wrap; font-size:13px; background:#161627; border:1px solid #2a2a40; border-radius:10px; padding:10px 14px; margin-bottom:18px; }
.engine-bar button { font-size:12px; padding:5px 12px; border-radius:6px; border:1px solid #7fd18f; background:#1e2e1a; color:#9be29b; cursor:pointer; }