/* ============ Lumen Studio ============ */
:root{
  --bg:#07080b; --bg-soft:#0a0b11; --panel:#0d0f16; --panel-2:#12151e; --panel-3:#171b26;
  --line:rgba(255,255,255,.075); --line-2:rgba(255,255,255,.13);
  --text:#eef0f6; --muted:#9aa1b2; --muted-2:#787f91;
  --violet:#a78bfa; --amber:#f5a524; --cyan:#2fd8ee; --rose:#fb7185;
  --accent:#c9b6ff; --accent-2:#8ae6d8;
  --r-lg:26px; --r-md:18px; --r-sm:12px;
  --shadow:0 30px 80px -30px rgba(0,0,0,.9);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI Variable Display","Segoe UI",system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;min-height:100%}
body{
  background:var(--bg); color:var(--text); font-family:var(--font);
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  font-feature-settings:"ss01","cv01";
  overflow-x:hidden;
}
body::after{ /* film grain */
  content:""; position:fixed; inset:0; pointer-events:none; z-index:90; opacity:.035; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
::selection{background:rgba(201,182,255,.28)}
button{font-family:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font-family:inherit;color:inherit}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.09);border-radius:9px;border:2px solid transparent;background-clip:padding-box}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.16);background-clip:padding-box}

/* atmosphere */
.atmos{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.55}
.g1{width:620px;height:620px;left:-160px;top:-220px;background:radial-gradient(circle,rgba(139,92,246,.5),transparent 62%)}
.g2{width:560px;height:560px;right:-120px;top:-160px;background:radial-gradient(circle,rgba(34,211,238,.24),transparent 65%)}
.g3{width:820px;height:520px;left:34%;top:38%;background:radial-gradient(circle,rgba(245,165,36,.10),transparent 68%)}

/* ---------- rail ---------- */
.rail{
  position:fixed;left:0;top:0;bottom:0;width:86px;z-index:40;
  display:flex;flex-direction:column;align-items:center;gap:8px;padding:18px 0 16px;
  background:linear-gradient(180deg,rgba(12,14,20,.86),rgba(8,9,13,.72));
  border-right:1px solid var(--line);backdrop-filter:blur(18px) saturate(120%);
}
.mark{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;margin-bottom:14px;
  background:rgba(255,255,255,.03);border:1px solid var(--line)}
.mark svg{width:26px;height:26px;stroke:none}
.mark.big{width:58px;height:58px;border-radius:18px;margin:0 auto 18px}
.mark.big svg{width:34px;height:34px}
.rail-nav{display:flex;flex-direction:column;gap:6px;width:100%;align-items:center}
.rail-btn{
  position:relative;display:flex;flex-direction:column;align-items:center;gap:5px;
  width:66px;padding:10px 0 8px;border-radius:14px;color:var(--muted);font-size:10.5px;letter-spacing:.02em;
  transition:color .2s,background .2s,transform .2s;
}
.rail-btn svg{width:21px;height:21px}
.rail-btn:hover{color:#dfe2ec;background:rgba(255,255,255,.045)}
.rail-btn.is-active{color:#fff;background:linear-gradient(160deg,rgba(201,182,255,.16),rgba(255,255,255,.03));
  box-shadow:inset 0 0 0 1px rgba(201,182,255,.22)}
.rail-btn.is-active::before{content:"";position:absolute;left:-14px;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:3px;background:linear-gradient(#e8dcff,#8ae6d8)}
.rail-foot{margin-top:auto;display:flex;flex-direction:column;gap:6px;align-items:center}
.rail-btn[data-tip]::after{content:attr(data-tip);position:absolute;left:calc(100% + 12px);top:50%;transform:translateY(-50%) scale(.96);
  background:#171a23;color:#e9ebf2;font-size:12px;padding:6px 10px;border-radius:9px;border:1px solid var(--line-2);
  opacity:0;pointer-events:none;transition:.16s;white-space:nowrap;z-index:50}
.rail-btn[data-tip]:hover::after{opacity:1;transform:translateY(-50%) scale(1)}

/* ---------- shell ---------- */
.shell{margin-left:86px;position:relative;z-index:1}
.topbar{position:sticky;top:0;z-index:30;height:70px;display:flex;align-items:center;justify-content:space-between;
  padding:0 clamp(20px,3.2vw,44px);backdrop-filter:blur(20px);
  background:linear-gradient(180deg,rgba(7,8,11,.9),rgba(7,8,11,.55) 70%,transparent)}
.brand{display:flex;align-items:baseline;gap:10px}
.brand-name{font-size:17px;font-weight:650;letter-spacing:-.02em}
.brand-sub{font-size:11.5px;color:var(--muted-2);letter-spacing:.14em}
.top-right{display:flex;align-items:center;gap:10px}
.status{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--muted);
  padding:7px 12px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.025)}
.status i{width:6px;height:6px;border-radius:50%;background:#5ee0b0;box-shadow:0 0 0 3px rgba(94,224,176,.14);animation:pulse 2.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.ghost-chip{font-size:12px;color:var(--muted);padding:7px 12px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.025);transition:.2s}
.ghost-chip:hover{color:var(--text);border-color:var(--line-2)}
.ghost-chip b{color:#e9dfff;font-weight:600;margin-left:3px}

main{padding:0 clamp(20px,3.2vw,44px) 120px;max-width:1440px}
.view{display:none;animation:viewIn .5s cubic-bezier(.22,1,.36,1)}
.view.is-active{display:block}
@keyframes viewIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ---------- hero ---------- */
.hero{padding:clamp(26px,4vw,54px) 0 22px;max-width:860px}
.hero h1{margin:0;font-size:clamp(29px,4.4vw,50px);line-height:1.1;letter-spacing:-.035em;font-weight:600}
.hero .grad{background:linear-gradient(100deg,#f2ecff 4%,#c9b6ff 38%,#8ae6d8 96%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{margin:14px 0 0;color:var(--muted);font-size:clamp(13.5px,1.3vw,15px);letter-spacing:.005em}

/* ---------- composer ---------- */
.composer{position:relative;margin-top:clamp(18px,2.4vw,30px);border-radius:var(--r-lg);padding:clamp(16px,2vw,24px);
  background:linear-gradient(180deg,rgba(20,23,32,.92),rgba(11,13,18,.94));
  border:1px solid var(--line);box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
}
.composer::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;pointer-events:none;
  background:linear-gradient(130deg,rgba(201,182,255,.4),rgba(255,255,255,0) 38%,rgba(138,230,216,.26));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:.7}
.mode-row{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.seg{position:relative;display:inline-flex;padding:3px;border-radius:999px;background:rgba(255,255,255,.045);
  border:1px solid var(--line);isolation:isolate}
.seg.small .seg-btn{font-size:12.5px;padding:6px 13px}
.seg-pill{position:absolute;top:3px;bottom:3px;left:3px;border-radius:999px;z-index:-1;
  background:linear-gradient(180deg,rgba(255,255,255,.16),rgba(255,255,255,.07));
  box-shadow:0 1px 0 rgba(255,255,255,.16) inset,0 8px 20px -10px rgba(0,0,0,.9);
  transition:transform .34s cubic-bezier(.22,1,.36,1),width .34s cubic-bezier(.22,1,.36,1)}
.seg-btn{padding:7px 18px;font-size:13px;color:var(--muted);border-radius:999px;transition:color .2s;letter-spacing:.01em}
.seg-btn.is-on{color:#fff}
.mode-hint{font-size:12px;color:var(--muted-2)}

.prompt-wrap{position:relative;margin-top:14px;border-radius:var(--r-md);
  background:rgba(0,0,0,.22);border:1px solid var(--line);transition:border-color .25s,box-shadow .25s}
.prompt-wrap:focus-within{border-color:rgba(201,182,255,.4);box-shadow:0 0 0 3px rgba(167,139,250,.10)}
#prompt{display:block;width:100%;min-height:96px;max-height:340px;padding:16px 18px 40px;background:none;border:0;outline:none;
  font-size:16.5px;line-height:1.62;letter-spacing:.005em;resize:none;overflow:auto}
#prompt::placeholder{color:#767d8e}
.prompt-tools{position:absolute;left:12px;right:12px;bottom:10px;display:flex;align-items:center;justify-content:space-between;pointer-events:none}
.prompt-tools>*{pointer-events:auto}
.tool-btn{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);padding:5px 10px;border-radius:9px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);transition:.2s}
.tool-btn svg{width:15px;height:15px;stroke:none;fill:currentColor;opacity:.9}
.tool-btn:hover{color:#f0e9ff;border-color:rgba(201,182,255,.35);background:rgba(201,182,255,.1)}
.tool-btn.busy{opacity:.6;pointer-events:none}
.tool-btn.busy svg{animation:spin 1.4s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.count{font-size:11.5px;color:var(--muted-2);font-variant-numeric:tabular-nums;align-self:center}

.ref-row{display:flex;align-items:center;gap:12px;margin-top:12px}
.ref-chip{position:relative;display:flex;align-items:center;gap:10px;padding:6px 12px 6px 6px;border-radius:12px;
  border:1px solid var(--line-2);background:rgba(255,255,255,.04)}
.ref-chip img{width:38px;height:38px;border-radius:8px;object-fit:cover;background:#111}
.ref-meta{display:flex;flex-direction:column;line-height:1.3}
.ref-meta b{font-size:12px;font-weight:600}
.ref-meta span{font-size:11px;color:var(--muted-2)}
.ref-x{margin-left:4px;color:var(--muted);font-size:16px;line-height:1;padding:2px 4px;border-radius:6px}
.ref-x:hover{background:rgba(255,255,255,.08);color:#fff}
.ref-tip{font-size:11.5px;color:var(--muted-2)}

.models{display:grid;grid-template-columns:repeat(auto-fit,minmax(196px,1fr));gap:10px;margin-top:16px}
.model{position:relative;display:flex;align-items:center;gap:11px;padding:11px 14px 11px 12px;border-radius:15px;
  border:1px solid var(--line);background:rgba(255,255,255,.022);transition:.22s;text-align:left;min-width:0}
.model:hover{border-color:var(--line-2);background:rgba(255,255,255,.045);transform:translateY(-1px)}
.model .dot{width:9px;height:9px;border-radius:50%;flex:none;box-shadow:0 0 0 3px rgba(255,255,255,.05)}
.model .m-txt{display:flex;flex-direction:column;line-height:1.25}
.model .m-name{display:flex;align-items:center;font-size:13px;font-weight:600;letter-spacing:-.01em;white-space:nowrap}
.model .m-note{font-size:11px;color:var(--muted-2);margin-top:2px}
.model.is-on{border-color:color-mix(in srgb,var(--mc) 62%,transparent);
  background:linear-gradient(150deg,color-mix(in srgb,var(--mc) 16%,transparent),rgba(255,255,255,.02));
  box-shadow:0 0 0 1px color-mix(in srgb,var(--mc) 22%,transparent),0 14px 34px -22px var(--mc)}
.model .check{position:absolute;right:11px;top:50%;transform:translateY(-50%);width:16px;height:16px;border-radius:50%;
  display:grid;place-items:center;font-size:9.5px;color:#141120;background:linear-gradient(135deg,#f0e7ff,#9fecd9);font-weight:800}
.model .m-eta{margin-left:auto;padding-left:12px;font-size:11px;color:#b3bbcc;font-variant-numeric:tabular-nums;white-space:nowrap}
.model .rec{font-size:9px;letter-spacing:.04em;padding:1.5px 5px;border-radius:999px;margin-left:6px;
  background:linear-gradient(120deg,#e9dfff,#9fecd9);color:#15121f;font-weight:700;vertical-align:1px}

.composer-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:16px;flex-wrap:wrap}
.bar-left{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.ratio-group{display:flex;gap:3px;padding:4px;border-radius:12px;background:rgba(255,255,255,.03);border:1px solid var(--line);flex-wrap:wrap}
.ratio{height:30px;padding:0 9px;border-radius:8px;display:inline-flex;align-items:center;gap:6px;transition:.18s;color:var(--muted);font-size:11.5px;font-variant-numeric:tabular-nums;letter-spacing:.01em}
.ratio i{display:block;border:1.4px solid currentColor;border-radius:2.5px;opacity:.8;flex:none}
.ratio:hover{background:rgba(255,255,255,.06);color:#dfe2ec}
.ratio.is-on{background:rgba(201,182,255,.18);color:#f2ecff;box-shadow:inset 0 0 0 1px rgba(201,182,255,.34)}
.stepper{display:flex;align-items:center;gap:2px;padding:3px 4px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.03)}
.stepper button{width:26px;height:26px;border-radius:8px;color:var(--muted);font-size:15px;line-height:1;transition:.16s}
.stepper button:hover{background:rgba(255,255,255,.07);color:#fff}
.stepper b{min-width:20px;text-align:center;font-size:13px;font-variant-numeric:tabular-nums}
.dur-group{display:flex;gap:5px;padding:4px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.03)}
.dur{padding:5px 11px;border-radius:8px;font-size:12px;color:var(--muted);transition:.18s}
.dur.is-on{background:rgba(251,113,133,.16);color:#ffd9df;box-shadow:inset 0 0 0 1px rgba(251,113,133,.32)}
.icon-btn{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--muted);transition:.18s;font-size:18px;line-height:1}
.icon-btn:hover{color:#fff;border-color:var(--line-2);background:rgba(255,255,255,.06)}
.bar-right{display:flex;align-items:center;gap:16px}
.cost{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.generate{display:inline-flex;align-items:center;gap:9px;height:46px;padding:0 20px;border-radius:14px;
  background:linear-gradient(135deg,#f3ecff,#cbb7ff 45%,#93e9dc);color:#141120;font-weight:650;font-size:14.5px;
  letter-spacing:.01em;box-shadow:0 16px 40px -18px rgba(201,182,255,.75),inset 0 1px 0 rgba(255,255,255,.6);
  transition:transform .18s,filter .18s,box-shadow .18s}
.generate svg{width:18px;height:18px;stroke:none;fill:currentColor}
.generate kbd{font-family:inherit;font-size:10.5px;font-weight:600;padding:2px 5px;border-radius:5px;
  background:rgba(20,17,32,.14);color:rgba(20,17,32,.66)}
.generate:hover{transform:translateY(-1px);filter:brightness(1.04)}
.generate:active{transform:translateY(0) scale(.995)}
.generate:disabled{background:#1a1d26;color:#6e7484;box-shadow:none;pointer-events:none}
.generate.busy{background:linear-gradient(135deg,#2a2739,#1c1a26);color:#cfc7e8;box-shadow:none}

/* ---------- presets ---------- */
.presets-block{margin-top:clamp(30px,3.6vw,48px)}
.block-head{display:flex;align-items:baseline;justify-content:space-between;gap:14px;margin-bottom:14px}
.block-head h2{margin:0;font-size:14px;font-weight:600;letter-spacing:.01em}
.block-head span{font-size:12px;color:var(--muted-2)}
.link-btn{font-size:12.5px;color:var(--muted);transition:.2s}
.link-btn:hover{color:#e6defc}
.presets{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
@media(max-width:1120px){.presets{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.presets{grid-template-columns:1fr}}
.preset{position:relative;display:flex;align-items:center;gap:14px;padding:14px;border-radius:16px;text-align:left;
  border:1px solid var(--line);background:rgba(255,255,255,.022);transition:.22s;overflow:hidden}
.preset:hover{transform:translateY(-2px);border-color:var(--line-2);background:rgba(255,255,255,.05)}
.preset .p-art{width:54px;height:54px;border-radius:12px;flex:none;position:relative;overflow:hidden;
  background-size:cover;background-position:center;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}
.preset .p-art::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(255,255,255,.16),transparent 55%);mix-blend-mode:overlay}
.preset .p-txt{display:flex;flex-direction:column;gap:3px;min-width:0}
.preset .p-t{font-size:12.8px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.preset .p-d{font-size:11px;color:var(--muted-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- grid / cards ---------- */
.recent-block{margin-top:clamp(30px,3.6vw,48px)}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:14px}
.grid.masonry{display:flex;gap:14px;align-items:flex-start}
.mcol{flex:1;min-width:0}
.mcol .card{margin-bottom:14px}
.play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;font-size:12px;color:#fff;background:rgba(10,11,16,.46);
  border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(6px);z-index:2;transition:.24s;padding-left:2px}
.card:hover .play{opacity:0;transform:translate(-50%,-50%) scale(.9)}

.card{position:relative;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(19,22,30,.9),rgba(12,14,19,.95));transition:transform .26s cubic-bezier(.22,1,.36,1),border-color .26s,box-shadow .26s}
.card:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.16);box-shadow:0 30px 60px -30px rgba(0,0,0,.95)}
.card .thumb{position:relative;display:block;width:100%;background:#0a0b10;overflow:hidden}
.card .thumb img,.card .thumb video{display:block;width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,1,.36,1)}
.card:hover .thumb img{transform:scale(1.035)}
.card .veil{position:absolute;inset:0;opacity:0;transition:opacity .26s;
  background:linear-gradient(180deg,rgba(6,7,10,.55),transparent 42%,rgba(6,7,10,.75))}
.card:hover .veil{opacity:1}
.card .quick{position:absolute;top:10px;right:10px;display:flex;gap:6px;opacity:0;transform:translateY(-4px);transition:.26s}
.card:hover .quick{opacity:1;transform:none}
.qbtn{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;color:#e9ebf2;
  background:rgba(14,16,22,.72);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(8px);transition:.18s}
.qbtn:hover{background:rgba(255,255,255,.16)}
.qbtn svg{width:15px;height:15px}
.card .body{padding:11px 13px 13px;display:flex;flex-direction:column;gap:8px}
.card .p{font-size:12.8px;line-height:1.52;color:#dde1ea;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.card .meta{display:flex;align-items:center;gap:8px;font-size:11.2px;color:#8b92a4;font-variant-numeric:tabular-nums}
.card .meta .mdot{width:6px;height:6px;border-radius:50%;flex:none}
.card .meta .sep{opacity:.4}
.card .badge-crop{position:absolute;left:10px;bottom:10px;font-size:10px;padding:3px 7px;border-radius:999px;
  background:rgba(10,11,16,.72);border:1px solid rgba(255,255,255,.14);color:#c9cede;backdrop-filter:blur(6px)}

.card.is-loading{cursor:default}
.card.is-loading:hover{transform:none;box-shadow:none;border-color:var(--line)}
.skeleton{position:relative;overflow:hidden;background:linear-gradient(120deg,#101219,#171a24 40%,#101219 80%);
  background-size:220% 100%;animation:shimmer 2.4s linear infinite}
@keyframes shimmer{0%{background-position:120% 0}100%{background-position:-40% 0}}
.work-state{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:radial-gradient(80% 80% at 50% 40%,rgba(15,17,24,.5),rgba(8,9,13,.86))}
.ring{--p:0;width:54px;height:54px;border-radius:50%;display:grid;place-items:center;position:relative;
  background:conic-gradient(from -90deg,#cdb9ff calc(var(--p)*1%),rgba(255,255,255,.1) 0);transition:--p .6s linear}
.ring::before{content:"";position:absolute;inset:3px;border-radius:50%;background:#0b0d13}
.ring span{position:relative;font-size:11px;color:#e7e1f7;font-variant-numeric:tabular-nums}
.work-state .stage{font-size:12px;color:var(--muted);letter-spacing:.02em}
.work-state .cancel{font-size:11px;color:var(--muted-2);border:1px solid var(--line);padding:5px 10px;border-radius:8px;transition:.2s}
.work-state .cancel:hover{color:#fff;border-color:var(--line-2)}
.card.is-failed .work-state{background:linear-gradient(180deg,rgba(60,16,24,.55),rgba(12,7,10,.9))}
.card.is-failed .stage{color:#ffb4c0}
.card .retry{font-size:11.5px;color:#ffdce3;border:1px solid rgba(251,113,133,.4);padding:6px 12px;border-radius:9px;background:rgba(251,113,133,.12)}

/* empty */
.empty{display:flex;flex-direction:column;align-items:center;gap:8px;padding:64px 20px;text-align:center;
  border:1px dashed rgba(255,255,255,.1);border-radius:var(--r-md);background:rgba(255,255,255,.012)}
.empty b{font-size:14px;font-weight:600}
.empty p{margin:0;font-size:12.5px;color:var(--muted-2)}
.empty-art{display:flex;gap:6px;margin-bottom:8px}
.empty-art span{width:38px;height:26px;border-radius:7px;background:linear-gradient(140deg,rgba(201,182,255,.24),rgba(138,230,216,.12));
  border:1px solid rgba(255,255,255,.1)}
.empty-art span:nth-child(2){transform:translateY(-6px);background:linear-gradient(140deg,rgba(245,165,36,.2),rgba(201,182,255,.14))}
.empty-art span:nth-child(3){background:linear-gradient(140deg,rgba(47,216,238,.18),rgba(255,255,255,.06))}

/* library */
.lib-head{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:clamp(24px,3vw,42px) 0 20px}
.lib-head h1{margin:0;font-size:clamp(22px,2.6vw,30px);letter-spacing:-.03em;font-weight:600}
.lib-filters{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.search{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:11px;border:1px solid var(--line);background:rgba(255,255,255,.03)}
.search svg{width:15px;height:15px;color:var(--muted-2)}
.search input{width:150px;background:none;border:0;outline:none;font-size:12.5px}
.search input::placeholder{color:var(--muted-2)}
.select{appearance:none;padding:9px 30px 9px 12px;border-radius:11px;border:1px solid var(--line);
  background:rgba(255,255,255,.03) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238c92a3' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 10px center;
  font-size:12.5px;outline:none;cursor:pointer}
.muted{color:var(--muted-2);font-size:12px}

/* usage */
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-bottom:16px}
.stat{padding:18px;border-radius:var(--r-md);border:1px solid var(--line);background:linear-gradient(160deg,rgba(20,23,32,.8),rgba(11,13,18,.9))}
.stat span{font-size:11.5px;color:var(--muted-2);letter-spacing:.03em}
.stat b{display:block;margin-top:8px;font-size:26px;font-weight:600;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.stat i{font-style:normal;font-size:11.5px;color:var(--muted);margin-left:6px}
.panel{border:1px solid var(--line);border-radius:var(--r-md);padding:18px;margin-bottom:14px;
  background:linear-gradient(180deg,rgba(18,21,29,.72),rgba(10,12,17,.86))}
.panel-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:16px}
.panel-head h2{margin:0;font-size:13px;font-weight:600}
.chart{display:flex;align-items:flex-end;gap:10px;height:176px;padding-top:18px;border-bottom:1px solid rgba(255,255,255,.07)}
.bar{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;height:100%;justify-content:flex-end}
.bar .val{font-size:10px;color:#b9bfd0;font-variant-numeric:tabular-nums;min-height:12px}
.bar .fill{width:100%;max-width:34px;border-radius:6px 6px 3px 3px;min-height:3px;
  background:linear-gradient(180deg,rgba(201,182,255,.85),rgba(138,230,216,.28));transition:height .6s cubic-bezier(.22,1,.36,1)}
.bar em{font-style:normal;font-size:10px;color:var(--muted-2);font-variant-numeric:tabular-nums;white-space:nowrap;min-height:12px}
.table{display:flex;flex-direction:column}
.trow{display:grid;grid-template-columns:1.5fr .7fr .8fr 1fr;gap:10px;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.05);
  font-size:12.5px;align-items:center}
.trow.total{border-top:1px solid rgba(255,255,255,.12);border-bottom:0;color:#e7eaf2;font-weight:600}
.trow:last-child{border-bottom:0}
.sharebar{display:inline-block;width:52px;height:4px;border-radius:3px;background:rgba(255,255,255,.08);margin-left:8px;overflow:hidden;vertical-align:middle}
.sharebar i{display:block;height:100%;border-radius:3px}
.trow.head{color:var(--muted-2);font-size:11px;letter-spacing:.04em}
.trow .num{font-variant-numeric:tabular-nums;text-align:right}
.trow .m{display:flex;align-items:center;gap:8px}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:60;pointer-events:none}
.drawer-scrim{position:absolute;inset:0;background:rgba(4,5,8,.55);backdrop-filter:blur(6px);opacity:0;transition:opacity .36s}
.drawer-body{position:absolute;right:0;top:0;bottom:0;width:min(560px,94vw);transform:translateX(102%);
  background:linear-gradient(180deg,#0c0e14,#080a0e);border-left:1px solid var(--line);display:flex;flex-direction:column;
  transition:transform .44s cubic-bezier(.22,1,.36,1);box-shadow:-40px 0 90px -40px rgba(0,0,0,.9)}
.drawer.is-open{pointer-events:auto}
.drawer.is-open .drawer-scrim{opacity:1}
.drawer.is-open .drawer-body{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line)}
.model-tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;padding:6px 12px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:#dfe2ec}
.model-tag i{width:7px;height:7px;border-radius:50%}
.drawer-media{position:relative;background:#06070a;display:grid;place-items:center;max-height:58vh;overflow:hidden;border-bottom:1px solid var(--line)}
.dw-amb{position:absolute;inset:-60px;background-size:cover;background-position:center;filter:blur(52px) saturate(130%);opacity:.3;transform:scale(1.12)}
.drawer-media img,.drawer-media video{position:relative;z-index:1}
.drawer-media img,.drawer-media video{display:block;max-width:100%;max-height:58vh;object-fit:contain}
.drawer-scroll{overflow:auto;padding:18px 18px 28px;display:flex;flex-direction:column;gap:16px}
.prompt-box{position:relative;padding:14px 15px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.025)}
.prompt-box p{margin:0;font-size:13.5px;line-height:1.68;color:#d9dce7;white-space:pre-wrap;padding-right:52px}
.copy-btn{position:absolute;top:10px;right:10px;font-size:11px;color:var(--muted);padding:5px 9px;border-radius:8px;
  border:1px solid var(--line);background:rgba(255,255,255,.03)}
.copy-btn:hover{color:#fff;border-color:var(--line-2)}
.meta-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.meta-item{padding:10px 12px;border-radius:11px;border:1px solid rgba(255,255,255,.06);background:rgba(255,255,255,.018)}
.meta-item span{display:block;font-size:10.8px;color:#8b92a4;letter-spacing:.03em}
.meta-item b{display:block;margin-top:4px;font-size:13.2px;font-weight:600;font-variant-numeric:tabular-nums}
.drawer-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.act{display:flex;align-items:center;justify-content:center;gap:8px;height:42px;border-radius:12px;font-size:12.8px;
  border:1px solid var(--line);background:rgba(255,255,255,.035);transition:.18s}
.act:hover{background:rgba(255,255,255,.07);border-color:var(--line-2);transform:translateY(-1px)}
.act svg{width:16px;height:16px}
.act.primary{background:linear-gradient(135deg,#f3ecff,#cbb7ff 48%,#93e9dc);color:#141120;border:0;font-weight:650}
.act.danger{color:#ffb9c4;border-color:rgba(251,113,133,.3)}
.act.danger:hover{background:rgba(251,113,133,.12)}
.act.wide{grid-column:1/-1}

/* ---------- gate ---------- */
.gate{position:fixed;inset:0;z-index:80;display:grid;place-items:center;background:rgba(5,6,9,.82);backdrop-filter:blur(26px) saturate(120%)}
.gate-card{width:min(400px,90vw);padding:34px 30px 28px;border-radius:26px;text-align:center;
  background:linear-gradient(180deg,rgba(22,25,34,.96),rgba(10,12,17,.98));border:1px solid var(--line-2);
  box-shadow:var(--shadow);animation:gateIn .6s cubic-bezier(.22,1,.36,1)}
@keyframes gateIn{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.gate-card h2{margin:0 0 6px;font-size:19px;letter-spacing:-.02em}
.gate-card p{margin:0 0 22px;font-size:12.5px;color:var(--muted-2)}
.gate[hidden]{display:none}
.gate-card input{width:100%;height:46px;margin-bottom:10px;padding:0 16px;border-radius:14px;border:1px solid var(--line-2);
  background:rgba(0,0,0,.32);outline:none;font-size:14px}
.gate-card input::placeholder{color:#8b92a4;letter-spacing:0}
.gate-note{display:block;margin-top:14px;font-size:11.5px;color:#8b92a4;line-height:1.6}
.gate-card input:focus{border-color:rgba(201,182,255,.5);box-shadow:0 0 0 3px rgba(167,139,250,.12)}
.gate-card .generate{width:100%;justify-content:center;margin-top:12px}
.gate-card small{display:block;margin-top:12px;color:#ff9aac;font-size:11.5px;min-height:14px}

/* ---------- toasts / modal ---------- */
.toasts{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:100;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{display:flex;align-items:center;gap:9px;padding:10px 16px;border-radius:12px;font-size:12.5px;
  background:rgba(18,21,29,.95);border:1px solid var(--line-2);box-shadow:0 20px 50px -20px rgba(0,0,0,.9);
  animation:toastIn .34s cubic-bezier(.22,1,.36,1);color:#e6e9f1}
.toast.err{border-color:rgba(251,113,133,.4);color:#ffc7d0}
@keyframes toastIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.modal{position:fixed;inset:0;z-index:70;display:grid;place-items:center;background:rgba(5,6,9,.7);backdrop-filter:blur(14px)}
.modal[hidden]{display:none}
.modal-card{width:min(560px,92vw);max-height:82vh;overflow:auto;border-radius:22px;border:1px solid var(--line-2);
  background:linear-gradient(180deg,#12141c,#0a0c11);box-shadow:var(--shadow)}
.modal-card header{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line)}
.modal-card h2{margin:0;font-size:14px}
.modal-body{padding:18px;display:flex;flex-direction:column;gap:16px;font-size:12.8px;color:#c3c8d6;line-height:1.7}
.modal-body h3{margin:0 0 6px;font-size:11.5px;color:var(--muted-2);letter-spacing:.08em;text-transform:uppercase}
.kbd-list{display:flex;flex-direction:column;gap:8px}
.kbd-row{display:flex;justify-content:space-between;gap:12px}
.kbd-row kbd{font-family:inherit;font-size:11px;padding:3px 7px;border-radius:6px;background:rgba(255,255,255,.06);border:1px solid var(--line)}

@media(max-width:860px){
  .rail{width:70px}
  .rail-btn{width:56px;font-size:9.5px}
  .rail-btn span{display:none}
  .rail-btn[data-tip]::after{display:none}
  .shell{margin-left:70px}
  .hero h1{font-size:31px}
  .models{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
  .models::-webkit-scrollbar{display:none}
  .model{min-width:168px}
  .composer-bar{align-items:stretch}
  .bar-left{justify-content:space-between;width:100%}
  .bar-right{width:100%;justify-content:space-between}
}
@media(max-width:560px){
  .rail{position:fixed;left:0;right:0;bottom:0;top:auto;width:auto;height:calc(64px + env(safe-area-inset-bottom));flex-direction:row;justify-content:space-around;
    border-right:0;border-top:1px solid var(--line);padding:0 8px env(safe-area-inset-bottom)}
  .mark{display:none}
  .rail-nav{flex-direction:row;justify-content:space-around;width:100%}
  .rail-foot{display:none}
  .rail-btn{width:auto;flex:1;padding:8px 0}
  .rail-btn span{display:block;font-size:9.5px;letter-spacing:.04em}
  .ratio-group{display:grid;grid-template-columns:repeat(4,1fr);width:100%;gap:2px}
  .ratio{justify-content:center;padding:0 4px;font-size:10.5px}
  .ratio i{flex:none;transform:scale(.9)}
  .stepper button{width:32px;height:30px}
  .icon-btn{width:42px;height:42px}
  .rail-btn.is-active::before{left:50%;top:auto;bottom:-9px;transform:translateX(-50%);width:18px;height:3px}
  .shell{margin-left:0;padding-bottom:60px}
  .topbar{height:60px}
  main{padding-bottom:100px}
}
@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}