/* MagicKit - dark modern UI, mobile first */
:root{
  --bg:#0b0e17;
  --bg-soft:#121728;
  --card:#161c30;
  --card-2:#1c2440;
  --border:rgba(255,255,255,.08);
  --text:#eef1fb;
  --muted:#9aa4c2;
  --brand:#7c5cff;
  --brand-2:#22d3ee;
  --grad:linear-gradient(135deg,#7c5cff 0%,#22d3ee 100%);
  --ok:#34d399;
  --err:#f87171;
  --warn:#fbbf24;
  --radius:16px;
  --shadow:0 10px 40px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(124,92,255,.18), transparent 60%),
    radial-gradient(700px 400px at -10% 10%, rgba(34,211,238,.12), transparent 55%),
    var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(11,14,23,.78);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  max-width:1080px;margin:0 auto;padding:.7rem 1rem;
  display:flex;align-items:center;gap:1rem;
}
.logo{display:flex;align-items:center;gap:.5rem;font-weight:800;font-size:1.12rem;letter-spacing:.3px}
.logo .spark{
  width:28px;height:28px;border-radius:9px;background:var(--grad);
  display:grid;place-items:center;font-size:16px;box-shadow:0 4px 14px rgba(124,92,255,.5)
}
.logo .sub{font-size:.68rem;color:var(--muted);font-weight:500}
.nav-links{display:flex;gap:.35rem;margin-left:auto;align-items:center}
.nav-links a{
  padding:.42rem .7rem;border-radius:10px;color:var(--muted);font-size:.9rem;font-weight:600;
  white-space:nowrap;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-links a.active{color:#fff;background:rgba(124,92,255,.22)}
.lang-btn{
  border:1px solid var(--border);background:rgba(255,255,255,.05);color:var(--text);
  border-radius:10px;padding:.4rem .65rem;font-size:.85rem;cursor:pointer;font-weight:700
}
.lang-btn:hover{border-color:var(--brand)}
.menu-toggle{display:none;background:none;border:0;color:var(--text);font-size:1.4rem;cursor:pointer}
@media (max-width:720px){
  .nav-links{display:none;position:absolute;top:100%;right:0;left:0;flex-direction:column;
    background:var(--bg-soft);border-bottom:1px solid var(--border);padding:.6rem 1rem;gap:.25rem;align-items:stretch}
  .nav-links.open{display:flex}
  .nav-links a{padding:.7rem .8rem}
  .menu-toggle{display:block;margin-left:auto}
  .lang-btn{margin-left:.4rem}
}

/* ---------- layout ---------- */
.wrap{max-width:1080px;margin:0 auto;padding:1.2rem 1rem 4rem}
.page-head{margin:1rem 0 1.4rem}
.page-head h1{font-size:1.55rem;margin:.2rem 0;letter-spacing:-.5px}
.page-head p{color:var(--muted);margin:0;font-size:.95rem}

.card{
  background:linear-gradient(180deg,var(--card),var(--bg-soft));
  border:1px solid var(--border);border-radius:var(--radius);
  padding:1.1rem;box-shadow:var(--shadow)
}
.grid{display:grid;gap:1rem}
@media (min-width:760px){.grid.two{grid-template-columns:1fr 1fr}}

/* ---------- forms ---------- */
label{display:block;font-size:.85rem;font-weight:700;color:var(--muted);margin:.9rem 0 .4rem}
textarea,input[type=text],input[type=number],select{
  width:100%;background:#0e1424;border:1px solid var(--border);color:var(--text);
  border-radius:12px;padding:.75rem .85rem;font-size:1rem;font-family:inherit;resize:vertical;
}
textarea:focus,input:focus,select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(124,92,255,.18)}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239aa4c2' stroke-width='2' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .9rem center;padding-right:2.2rem}
.chips{display:flex;flex-wrap:wrap;gap:.5rem}
.chip{
  border:1px solid var(--border);background:rgba(255,255,255,.04);color:var(--muted);
  border-radius:999px;padding:.45rem .8rem;font-size:.85rem;cursor:pointer;font-weight:600
}
.chip.active{color:#fff;border-color:transparent;background:var(--grad)}
.chip:hover{border-color:var(--brand)}
.row{display:flex;gap:.7rem;flex-wrap:wrap;align-items:center}
.row > *{flex:1;min-width:120px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  border:0;border-radius:12px;padding:.8rem 1.2rem;font-size:1rem;font-weight:800;
  cursor:pointer;color:#fff;background:var(--grad);
  box-shadow:0 8px 24px rgba(124,92,255,.35);transition:transform .08s,opacity .15s;
}
.btn:active{transform:scale(.97)}
.btn:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}
.btn.secondary{background:rgba(255,255,255,.08);box-shadow:none;border:1px solid var(--border)}
.btn.ghost{background:transparent;border:1px solid var(--border);box-shadow:none;color:var(--text)}
.btn.block{width:100%;margin-top:1.1rem}
.hint{font-size:.78rem;color:var(--muted);margin-top:.35rem}

/* ---------- result ---------- */
.result{margin-top:1.2rem}
.result-media{
  border-radius:14px;overflow:hidden;border:1px solid var(--border);
  background:#0a0d18;display:grid;place-items:center;min-height:160px
}
.result-media img{width:100%;height:auto;margin:0 auto}
.result-media video{width:100%;max-height:80vh;background:#000}
.actions{display:flex;gap:.6rem;margin-top:.8rem;flex-wrap:wrap}
.actions .btn{padding:.6rem 1rem;font-size:.9rem}

/* loading */
.loader{display:flex;flex-direction:column;align-items:center;gap:.8rem;padding:2.4rem 1rem;color:var(--muted)}
.spinner{
  width:38px;height:38px;border-radius:50%;
  border:3px solid rgba(255,255,255,.12);border-top-color:var(--brand-2);
  animation:spin .9s linear infinite
}
@keyframes spin{to{transform:rotate(360deg)}}
.progress{height:8px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:.6rem;width:100%}
.progress > i{display:block;height:100%;width:0;background:var(--grad);border-radius:99px;transition:width .5s}
.toast{
  position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);
  background:#1d2540;border:1px solid var(--border);color:var(--text);
  padding:.75rem 1.1rem;border-radius:12px;font-size:.9rem;opacity:0;pointer-events:none;
  transition:.25s;z-index:100;max-width:90vw;box-shadow:var(--shadow)
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{border-color:rgba(248,113,113,.5)}
.toast.ok{border-color:rgba(52,211,153,.5)}

/* scene list */
.scenes{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.7rem;margin-top:.9rem}
.scene{background:var(--card-2);border:1px solid var(--border);border-radius:12px;overflow:hidden;font-size:.78rem}
.scene .thumb{aspect-ratio:9/16;background:#0d1322;display:grid;place-items:center;color:var(--muted)}
.scene .thumb img{width:100%;height:100%;object-fit:cover}
.scene .meta{padding:.5rem .6rem}
.scene .sub{font-weight:700;display:flex;align-items:center;gap:.35rem}
.scene .prompt{color:var(--muted);margin-top:.15rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.dot{width:8px;height:8px;border-radius:50%;background:var(--muted);flex:none}
.dot.work{background:var(--warn);animation:pulse 1s infinite}
.dot.done{background:var(--ok)}
.dot.fail{background:var(--err)}
@keyframes pulse{50%{opacity:.3}}

/* chat style text result */
.answer{
  white-space:pre-wrap;word-wrap:break-word;font-size:.97rem;line-height:1.75;
  background:#0e1424;border:1px solid var(--border);border-radius:12px;padding:1rem;max-height:60vh;overflow:auto
}

/* ---------- landing ---------- */
.hero{text-align:center;padding:2.6rem 0 1.6rem}
.badge{
  display:inline-flex;gap:.4rem;align-items:center;font-size:.8rem;font-weight:700;color:var(--brand-2);
  border:1px solid rgba(34,211,238,.3);background:rgba(34,211,238,.08);
  padding:.35rem .8rem;border-radius:999px;margin-bottom:1rem
}
.hero h1{
  font-size:clamp(1.9rem,6vw,3.1rem);line-height:1.15;margin:.4rem 0;letter-spacing:-1px;
  background:linear-gradient(180deg,#fff,#b9c2e6);-webkit-background-clip:text;background-clip:text;color:transparent
}
.hero p.lead{color:var(--muted);font-size:1.05rem;max-width:620px;margin:.8rem auto 1.4rem}
.hero-cta{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap}
.hero-cta .btn{padding:.95rem 1.6rem;font-size:1.05rem}
.features{display:grid;gap:1rem;grid-template-columns:1fr;margin:2.6rem 0}
@media(min-width:820px){.features{grid-template-columns:repeat(3,1fr)}}
.feature{
  display:block;padding:1.4rem;border-radius:18px;
  background:linear-gradient(180deg,var(--card),var(--bg-soft));
  border:1px solid var(--border);transition:transform .15s,border-color .15s
}
.feature:hover{transform:translateY(-4px);border-color:rgba(124,92,255,.5)}
.feature .ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:22px;
  background:var(--grad);box-shadow:0 6px 18px rgba(124,92,255,.4);margin-bottom:.9rem
}
.feature h3{margin:.2rem 0;font-size:1.12rem}
.feature p{color:var(--muted);font-size:.9rem;margin:.3rem 0 0}
.feature .go{margin-top:.8rem;font-weight:800;color:var(--brand-2);font-size:.88rem}
.steps{display:grid;gap:.9rem;grid-template-columns:1fr;margin:1rem 0}
@media(min-width:760px){.steps{grid-template-columns:repeat(3,1fr)}}
.step{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:1.1rem}
.step b{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--grad);margin-bottom:.6rem}
.faq{max-width:760px;margin:2rem auto}
.faq details{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:.9rem 1.1rem;margin-bottom:.6rem}
.faq summary{font-weight:700;cursor:pointer}
.faq p{color:var(--muted);font-size:.9rem;margin:.6rem 0 0}
.footer{border-top:1px solid var(--border);color:var(--muted);font-size:.82rem;text-align:center;padding:1.6rem 1rem}
.footer a{color:var(--brand-2)}
.section-title{font-size:1.4rem;text-align:center;margin:2.4rem 0 .3rem;letter-spacing:-.5px}
.section-sub{text-align:center;color:var(--muted);font-size:.92rem;margin:0 0 .6rem}