*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#0c0d10;--panel:#15171c;--line:#262a33;--txt:#eef0f4;--mut:#8a909c;--acc:#5b8cff;--acc2:#7c5cff;--ok:#34d399}
body{background:var(--bg);color:var(--txt);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.5}
.hidden{display:none!important}
.muted{color:var(--mut)}.small{font-size:.85rem}
header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(12,13,16,.85);backdrop-filter:blur(8px);z-index:50}
.logo{font-size:1.25rem;font-weight:800;letter-spacing:-.02em}.logo b{color:var(--acc)}
.hd-right{display:flex;align-items:center;gap:.8rem;font-size:.9rem}
.pill{background:var(--panel);border:1px solid var(--line);padding:.4em .8em;border-radius:999px;font-weight:600}
.pill b{color:var(--ok)}
button{cursor:pointer;font-family:inherit;border:none;border-radius:10px;font-size:.92rem}
.primary{background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;font-weight:700;padding:.85em 1.2em;width:100%;border-radius:12px;font-size:1rem;transition:.15s}
.primary:hover{filter:brightness(1.08)}.primary.small{width:auto;padding:.6em 1em}
.ghost{background:var(--panel);border:1px solid var(--line);color:var(--txt);padding:.5em .9em}
.err{color:#ff6b6b;font-size:.85rem;margin-top:.6rem;min-height:1rem}
/* auth */
.auth{min-height:80vh;display:flex;align-items:center;justify-content:center;padding:1.5rem}
.card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:2rem;max-width:420px;width:100%}
.card h1{font-size:1.6rem;letter-spacing:-.02em;margin-bottom:.4rem}
.sub{color:var(--mut);margin-bottom:1.4rem;font-size:.95rem}
.tabs{display:flex;gap:.5rem;margin-bottom:1rem}
.tab{flex:1;background:transparent;border:1px solid var(--line);color:var(--mut);padding:.6em;border-radius:10px}
.tab.on{background:var(--bg);color:var(--txt);border-color:var(--acc)}
.card input{width:100%;background:var(--bg);border:1px solid var(--line);color:var(--txt);padding:.8em 1em;border-radius:10px;margin-bottom:.7rem;font-size:.95rem}
.card input:focus{outline:none;border-color:var(--acc)}
/* studio */
main{max-width:1100px;margin:0 auto;padding:1.5rem}
.studio{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:1.3rem}
.panel h2{font-size:1.05rem;margin-bottom:1rem}
.drop{display:flex;align-items:center;justify-content:center;min-height:200px;border:2px dashed var(--line);border-radius:12px;cursor:pointer;color:var(--mut);text-align:center;padding:1rem;overflow:hidden}
.drop:hover{border-color:var(--acc)}
.drop img{max-width:100%;max-height:320px;border-radius:8px}
.ops{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;margin:1rem 0}
.op{background:var(--bg);border:1px solid var(--line);color:var(--txt);padding:.7em;text-align:left}
.op.on{border-color:var(--acc);background:rgba(91,140,255,.1)}
.lbl{font-size:.8rem;color:var(--mut);margin:.4rem 0}
.styles{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:1rem}
.st{background:var(--bg);border:1px solid var(--line);color:var(--mut);padding:.45em .8em;font-size:.85rem}
.st.on{border-color:var(--acc);color:var(--txt)}
.cost{font-weight:500;opacity:.85;font-size:.85rem}
.resultBox{min-height:280px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:12px;background:var(--bg);overflow:hidden}
.resultBox img{max-width:100%;border-radius:8px}
.spinner{width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--acc);border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.history{margin-top:1.5rem}.history h2{font-size:1.05rem;margin-bottom:1rem}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.7rem}
.gcard{background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden;position:relative}
.gcard img{width:100%;aspect-ratio:1;object-fit:cover;display:block}
.gcard .tag{position:absolute;bottom:0;left:0;right:0;background:rgba(0,0,0,.6);font-size:.72rem;padding:.3em .5em}
.gcard.pending{display:flex;align-items:center;justify-content:center;aspect-ratio:1}
/* modal */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:100;padding:1rem}
.modal-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:1.8rem;max-width:480px;width:100%;position:relative}
.modal-card h2{margin-bottom:1rem}
.x{position:absolute;top:1rem;right:1rem;background:transparent;color:var(--mut);font-size:1.1rem}
.packs{display:flex;flex-direction:column;gap:.6rem;margin-bottom:1rem}
.pack{display:flex;justify-content:space-between;align-items:center;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:1em}
.pack b{font-size:1.05rem}.pack .buy{background:var(--acc);color:#fff;padding:.5em 1em;border-radius:8px;font-weight:700}
.keyrow{display:flex;justify-content:space-between;align-items:center;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:.7em 1em;margin-top:.5rem;font-size:.85rem}
.keyrow code{color:var(--acc)}
.keyout{background:#0a1f12;border:1px solid var(--ok);border-radius:10px;padding:.9em;margin:.7rem 0;word-break:break-all;font-size:.82rem;color:var(--ok)}
@media(max-width:780px){.studio{grid-template-columns:1fr}}