:root{--bg:#0b0f14;--card:rgba(16,22,30,.78);--stroke:rgba(255,255,255,.08);--text:rgba(255,255,255,.92);--muted:rgba(255,255,255,.62);--shadow:0 18px 60px rgba(0,0,0,.55);--radius:18px}
*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,"Noto Sans","Helvetica Neue",sans-serif;color:var(--text);background:var(--bg)}
.bg{position:fixed;inset:0;overflow:hidden;z-index:-2}.bg__video{width:100%;height:100%;object-fit:cover;filter:saturate(.85) contrast(1.05) brightness(.72)}
.bg__overlay{position:absolute;inset:0;background:radial-gradient(900px 500px at 20% 10%, rgba(120,255,210,.16), transparent 60%),radial-gradient(900px 500px at 80% 30%, rgba(140,180,255,.16), transparent 55%),linear-gradient(180deg, rgba(0,0,0,.35), rgba(0,0,0,.65));z-index:1}
.app{max-width:980px;margin:0 auto;padding:28px 18px 60px}.app__header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}
.brand__title{font-size:18px;letter-spacing:.2px;font-weight:650}.brand__subtitle{font-size:13px;color:var(--muted)}
.chip{padding:8px 12px;border-radius:999px;border:1px solid var(--stroke);background:rgba(255,255,255,.03);color:var(--muted)}
.card{background:var(--card);border:1px solid var(--stroke);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.h1{margin:0 0 6px;font-size:22px}.p{margin:0;color:var(--muted);line-height:1.5}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}@media (max-width:860px){.grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:560px){.grid{grid-template-columns:1fr}}
.mood{border:1px solid var(--stroke);background:rgba(255,255,255,.03);border-radius:14px;padding:12px;cursor:pointer;transition:transform .12s ease,border-color .12s ease,background .12s ease;text-align:left}
.mood:hover{transform:translateY(-1px);border-color:rgba(255,255,255,.14);background:rgba(255,255,255,.05)}
.mood__title{font-weight:650}.mood__desc{margin-top:4px;color:var(--muted);font-size:13px;line-height:1.4}
.divider{height:1px;background:var(--stroke);margin:16px 0}
.controls{display:grid;grid-template-columns:1fr 1fr;gap:14px}@media (max-width:760px){.controls{grid-template-columns:1fr}}
.label{font-size:13px;color:var(--muted);margin-bottom:6px}
.select{width:100%;padding:10px 12px;border-radius:12px;border:1px solid var(--stroke);background:rgba(0,0,0,.18);color:var(--text);outline:none}
.hint{margin-top:6px;font-size:12px;color:var(--muted)}
.timer{display:flex;flex-wrap:wrap;gap:8px}
.btn{border:1px solid var(--stroke);background:rgba(255,255,255,.04);color:var(--text);padding:9px 12px;border-radius:12px;cursor:pointer}
.btn:hover{border-color:rgba(255,255,255,.16);background:rgba(255,255,255,.06)}
.btn--active{border-color:rgba(139,233,253,.6);box-shadow:0 0 0 4px rgba(139,233,253,.12) inset}
.btn--ghost{background:transparent}
.player{margin-top:12px}audio{width:100%}
.micro{display:grid;gap:10px}.step{border:1px solid var(--stroke);border-radius:14px;padding:12px;background:rgba(0,0,0,.14)}.step__n{font-size:12px;color:var(--muted)}.step__t{margin-top:6px;line-height:1.45}
.footnote{margin-top:14px;color:var(--muted);font-size:12px;line-height:1.45}.footer{margin-top:14px}.muted{color:var(--muted);font-size:12px}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace}