:root{
  --ink:#10151f;
  --text:#182132;
  --muted:#657084;
  --panel:#ffffff;
  --line:#dfe6ef;
  --soft:#f6f8fb;
  --blue:#2563eb;
  --green:#0f8a65;
  --amber:#c27718;
  --coral:#e45745;
  --shadow:0 20px 60px rgba(16,21,31,.12);
}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;background:linear-gradient(180deg,#edf4f7 0%,#f9faf7 44%,#f4f1ec 100%);color:var(--text);font:15px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.shell{min-height:100vh;padding:22px}
.workbench{max-width:1220px;margin:0 auto}
.brandline{display:flex;align-items:center;gap:12px;margin:4px 0 18px}
.brandline img{width:42px;height:42px;border-radius:8px;background:#fff;box-shadow:0 8px 26px rgba(16,21,31,.1)}
.brandline b{display:block;font-size:18px}.brandline span{display:block;color:var(--muted);font-size:12px}
.top-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);gap:18px;align-items:start}
.side-stack{display:grid;gap:18px}
.panel{background:rgba(255,255,255,.88);border:1px solid rgba(223,230,239,.9);border-radius:8px;padding:18px;box-shadow:var(--shadow);backdrop-filter:blur(14px)}
.panel-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;margin-bottom:16px}
.panel-head.compact{margin-bottom:12px}
h1,h2{margin:0;color:var(--ink);letter-spacing:0}
h1{font-size:30px;line-height:1.12}
h2{font-size:19px}
p{margin:6px 0 0;color:var(--muted)}
.api-pill,.status-badge{display:inline-flex;align-items:center;min-height:28px;padding:4px 9px;border-radius:999px;font-size:12px;font-weight:700;text-transform:uppercase;white-space:nowrap}
.api-pill.ok,.status-badge.done{background:#e8f7ef;color:var(--green)}
.api-pill.warn,.status-badge.queued,.status-badge.running{background:#fff4df;color:var(--amber)}
.status-badge.failed{background:#ffe8e5;color:var(--coral)}
.status-badge.idle{background:#eef1f5;color:#596477}
label{display:grid;gap:8px;font-weight:700;color:#243044}
textarea,input,select{width:100%;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text);padding:10px 11px;outline:none}
textarea{resize:vertical;min-height:124px}
textarea:focus,input:focus,select:focus{border-color:#8fb7ff;box-shadow:0 0 0 4px rgba(37,99,235,.12)}
.upload-panel{display:grid;gap:14px}
.drop-zone{position:relative;min-height:172px;border:1.5px dashed #8fb7ff;border-radius:8px;background:linear-gradient(135deg,#f8fbff,#fffaf2);display:grid;place-items:center;text-align:center;padding:20px;color:#1d3557}
.drop-zone input{position:absolute;inset:0;opacity:0;cursor:pointer}
.drop-zone.dragging{border-color:var(--green);background:#f0fff8}
.drop-zone strong{font-size:17px}.drop-zone small{display:block;color:var(--muted);font-weight:500}
.drop-icon{width:42px;height:42px;border-radius:999px;background:#1f2937;color:#fff;display:grid;place-items:center;font-size:24px;margin-bottom:6px}
.control-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.primary-btn,.claim-row button,.result-actions button,.dialog-head button{border:0;border-radius:8px;min-height:42px;padding:10px 14px;font-weight:800}
.primary-btn{background:var(--ink);color:#fff}
.primary-btn:disabled{opacity:.65;cursor:not-allowed}
.claim-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px}
.claim-row input{font-size:26px;letter-spacing:.18em;text-align:center;font-weight:800}
.claim-row button,.result-actions button{background:#2563eb;color:#fff}
.rate-note{margin-top:8px;color:var(--muted);font-size:12px}
.mini-info{display:grid;grid-template-columns:74px minmax(0,1fr);gap:10px;align-items:start;padding:7px 0;border-bottom:1px solid #edf1f5}
.mini-info span{color:var(--muted);font-size:12px}
.mini-info b{font-size:12px;color:#243044;word-break:break-all}
.code-box{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:center;background:#10151f;color:#fff;border-radius:8px;padding:14px;margin-bottom:12px}
.code-box span{color:#aab6c7;font-size:12px}.code-box strong{font-size:36px;line-height:1;letter-spacing:.16em;text-align:right}
.progress{height:8px;background:#e6ebf2;border-radius:999px;overflow:hidden;margin:12px 0}
.progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--green),var(--blue));transition:width .25s ease}
.message{color:#445167;min-height:24px;white-space:pre-wrap;word-break:break-word}
.message.error{color:var(--coral)}
.result-actions{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.hidden{display:none!important}
.showcase{display:grid;grid-template-columns:1.2fr 1.2fr .8fr .8fr;gap:10px;margin-top:18px}
.showcase img{width:100%;height:230px;object-fit:cover;border-radius:8px;box-shadow:0 12px 34px rgba(16,21,31,.12)}
.showcase img:nth-child(1),.showcase img:nth-child(2){height:260px}
dialog{border:0;border-radius:8px;padding:0;width:min(920px,calc(100vw - 28px));box-shadow:0 30px 90px rgba(0,0,0,.32)}
dialog::backdrop{background:rgba(16,21,31,.62)}
.dialog-head{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line)}
.dialog-head button{background:#eef2f7;color:#243044;min-height:34px}
#previewImage{display:block;width:100%;max-height:78vh;object-fit:contain;background:#10151f}
@media(max-width:980px){
  .shell{padding:14px}
  .top-grid{grid-template-columns:1fr}
  .control-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .showcase{grid-template-columns:repeat(2,minmax(0,1fr))}
  .showcase img,.showcase img:nth-child(1),.showcase img:nth-child(2){height:180px}
}
@media(max-width:560px){
  h1{font-size:24px}
  .panel{padding:14px}
  .panel-head{display:grid}
  .control-grid,.claim-row,.showcase{grid-template-columns:1fr}
  .code-box strong{text-align:left}
}