:root{color-scheme:light dark;--bg: #0f1116;--bg-card: #181b22;--bg-card-2: #1f232c;--fg: #e6e8ee;--fg-dim: #98a0ad;--accent: #ff7a3d;--accent-2: #ffc46c;--ok: #46d27f;--warn: #ffb454;--err: #ff5c5c;--border: #2a2f3a;--shadow: 0 8px 24px rgba(0, 0, 0, .35);font-family:Inter,-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;padding:0;background:radial-gradient(ellipse at 20% 0%,rgba(255,122,61,.12),transparent 50%),radial-gradient(ellipse at 90% 100%,rgba(70,210,127,.08),transparent 60%),var(--bg);color:var(--fg);min-height:100vh;font-size:14px;line-height:1.55}.container{max-width:1080px;margin:0 auto;padding:32px 24px 80px}.page-header{text-align:center;margin-bottom:32px}.page-header h1{font-size:28px;margin:0 0 8px;letter-spacing:.5px}.subtitle{color:var(--fg-dim);font-size:13px;margin:0}.subtitle strong{color:var(--accent-2);font-weight:600}.workspace{display:flex;flex-direction:column;gap:16px;margin-bottom:8px}.btn-secondary,.btn-primary{display:inline-flex;align-items:center;justify-content:center;padding:8px 14px;border-radius:8px;border:1px solid var(--border);background:var(--bg-card-2);color:var(--fg);font-size:12px;font-family:inherit;cursor:pointer;transition:border-color .15s ease,color .15s ease,background .15s ease}.btn-secondary:hover,.btn-primary:hover{border-color:var(--accent);color:var(--accent)}.btn-primary{background:#ff7a3d26;border-color:#ff7a3d73;color:var(--accent-2);margin-top:4px}.btn-secondary:disabled,.btn-primary:disabled{opacity:.55;cursor:not-allowed}.input-tabs{display:flex;gap:8px}.tab{padding:8px 16px;border-radius:8px;border:1px solid var(--border);background:var(--bg-card);color:var(--fg-dim);font-size:13px;font-family:inherit;cursor:pointer;transition:all .15s ease}.tab:hover{border-color:var(--accent);color:var(--fg)}.tab.active{border-color:var(--accent);background:#ff7a3d1f;color:var(--accent-2)}.input-panel{display:flex;flex-direction:column;gap:10px}.field-label{font-size:12px;color:var(--fg-dim);margin-top:4px}.text-input,.tja-textarea{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:var(--bg-card);color:var(--fg);font-size:13px;font-family:JetBrains Mono,Fira Code,Menlo,Consolas,monospace;line-height:1.5;resize:vertical}.text-input:focus,.tja-textarea:focus{outline:none;border-color:var(--accent)}.tja-textarea{min-height:220px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:24px;box-shadow:var(--shadow)}.hidden{display:none!important}.boot-card{margin-bottom:24px}.boot-progress{height:8px;background:var(--bg-card-2);border-radius:4px;overflow:hidden;margin-bottom:12px}.boot-bar{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .25s ease}.boot-status{margin:0;font-size:14px}.boot-status.error{color:var(--err)}.boot-status.success{color:var(--ok)}.boot-detail{margin-top:12px;font-size:12px}.boot-detail summary{color:var(--fg-dim);cursor:pointer;user-select:none;padding:4px 0}.boot-log{list-style:none;padding:8px 12px;margin:8px 0 0;background:var(--bg-card-2);border-radius:6px;font-family:JetBrains Mono,Fira Code,Menlo,Consolas,monospace;font-size:11px;color:var(--fg-dim);max-height:200px;overflow-y:auto}.boot-log li{padding:2px 0;white-space:pre-wrap}.boot-log li.warn{color:var(--warn)}.boot-log li.error{color:var(--err)}.dropzone{border:2px dashed var(--border);border-radius:12px;background:#ff7a3d08;padding:60px 24px;text-align:center;cursor:pointer;transition:all .2s ease}.dropzone:hover,.dropzone:focus{border-color:var(--accent);background:#ff7a3d14;outline:none}.dropzone.is-dragover{border-color:var(--accent-2);background:#ffc46c1f;transform:scale(1.01)}.dropzone-icon{font-size:40px;color:var(--accent);margin-bottom:12px}.dropzone-title{font-size:18px;font-weight:600;margin:0 0 6px}.dropzone-hint{color:var(--fg-dim);margin:0;font-size:13px}.link{color:var(--accent-2);cursor:pointer;text-decoration:underline}.samples-lead{margin:0 0 12px;font-size:13px;color:var(--fg-dim)}.samples-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}.samples-empty{margin:0;padding:24px 16px;text-align:center;color:var(--fg-dim);font-size:13px;background:var(--bg-card);border:1px dashed var(--border);border-radius:10px}.sample-chip{display:flex;flex-direction:column;align-items:flex-start;gap:4px;text-align:left;padding:14px 16px;border-radius:10px;border:1px solid var(--border);background:var(--bg-card);color:var(--fg);font-family:inherit;cursor:pointer;transition:border-color .15s ease,background .15s ease,transform .12s ease}.sample-chip:hover:not(:disabled){border-color:var(--accent);background:#ff7a3d14;transform:translateY(-1px)}.sample-chip.is-loading{border-color:var(--accent-2);opacity:.75;cursor:wait}.sample-chip:disabled{cursor:wait}.sample-chip-title{font-size:15px;font-weight:600;line-height:1.35}.sample-chip-meta{font-size:11px;color:var(--fg-dim);word-break:break-all}.results{display:grid;gap:16px;margin-top:20px}.result-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:20px 24px;box-shadow:var(--shadow);animation:slide-in .3s ease-out}@keyframes slide-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.result-header{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:16px;flex-wrap:wrap}.result-title{font-size:18px;font-weight:600;margin:0}.result-meta{color:var(--fg-dim);font-size:12px}.result-meta code{background:var(--bg-card-2);padding:2px 6px;border-radius:4px;font-size:11px}.courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}.course-tile{background:var(--bg-card-2);border:1px solid var(--border);border-radius:10px;padding:16px;display:flex;flex-direction:column;gap:10px}.course-tile.error{border-color:#ff5c5c80}.course-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px}.course-name{font-size:13px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;color:var(--fg-dim)}.course-stars{color:var(--accent-2);font-size:12px}.predicted-constant{display:flex;align-items:baseline;gap:8px;margin:4px 0 8px}.predicted-constant .value{font-size:38px;font-weight:700;background:linear-gradient(135deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}.predicted-constant .label{font-size:11px;color:var(--fg-dim);text-transform:uppercase;letter-spacing:.5px}.course-stats{font-size:12px;color:var(--fg-dim);display:grid;grid-template-columns:1fr 1fr;gap:4px 12px}.course-stats span strong{color:var(--fg);font-variant-numeric:tabular-nums;margin-left:4px}.algo-ratings{margin-top:8px;border-top:1px solid var(--border);padding-top:10px}.algo-ratings-title{font-size:11px;color:var(--fg-dim);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}.algo-row{display:flex;justify-content:space-between;font-size:12px;padding:2px 0;font-variant-numeric:tabular-nums}.algo-row span:first-child{color:var(--fg-dim)}.error-msg{color:var(--err);font-size:12px;margin:0}.page-footer{margin-top:64px;padding-top:24px;border-top:1px solid var(--border);color:var(--fg-dim);font-size:12px;text-align:center;line-height:1.7;display:flex;flex-direction:column;align-items:center;gap:14px}.page-footer p{margin:0}.page-credit{font-size:11px;color:var(--fg-dim);opacity:.85}.info-credits p{margin-bottom:8px}.page-footer code{background:var(--bg-card-2);padding:1px 6px;border-radius:4px;font-size:11px}.footer-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px}.footer-link-btn{padding:6px 14px;border-radius:999px;border:1px solid var(--border);background:transparent;color:var(--fg-dim);font-size:11px;font-family:inherit;cursor:pointer;transition:border-color .15s ease,color .15s ease,background .15s ease}.footer-link-btn:hover{border-color:var(--accent);color:var(--accent-2);background:#ff7a3d14}.footer-link-btn.is-custom-model{border-color:#ffc46c73;color:var(--accent-2)}.model-menu-wrap{position:relative}.model-popover{position:absolute;bottom:calc(100% + 8px);right:0;z-index:50;min-width:200px;padding:8px;border-radius:10px;border:1px solid var(--border);background:var(--bg-card);box-shadow:var(--shadow)}.model-popover-status{margin:0;padding:6px 10px 8px;font-size:10px;color:var(--fg-dim);word-break:break-all;border-bottom:1px solid var(--border)}.model-popover-item{display:block;width:100%;margin:0;padding:8px 10px;border:none;border-radius:6px;background:transparent;color:var(--fg-dim);font-size:12px;font-family:inherit;text-align:left;cursor:pointer;transition:background .12s ease,color .12s ease}.model-popover-item:hover{background:var(--bg-card-2);color:var(--fg)}body.info-open{overflow:hidden}.info-overlay{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px 16px;background:#080a0eb8;backdrop-filter:blur(4px)}.info-panel{width:min(640px,100%);max-height:min(88vh,820px);display:flex;flex-direction:column;padding:0;overflow:hidden;animation:info-in .22s ease-out}@keyframes info-in{0%{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.info-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;border-bottom:1px solid var(--border);flex-shrink:0}.info-header h2{margin:0;font-size:18px;font-weight:600}.info-close-btn{flex-shrink:0;width:36px;height:36px;border:1px solid var(--border);border-radius:8px;background:var(--bg-card-2);color:var(--fg-dim);font-size:22px;line-height:1;cursor:pointer;transition:border-color .15s ease,color .15s ease}.info-close-btn:hover{border-color:var(--accent);color:var(--accent)}.info-body{padding:8px 20px 24px;overflow-y:auto;font-size:13px;line-height:1.65;color:var(--fg)}.info-section{margin-top:20px}.info-section:first-child{margin-top:8px}.info-section h3{margin:0 0 10px;font-size:14px;font-weight:600;color:var(--accent-2)}.info-section p{margin:0 0 10px;color:var(--fg-dim)}.info-section p:last-child{margin-bottom:0}.info-note{padding:10px 12px;border-radius:8px;border-left:3px solid var(--accent);background:#ff7a3d14}.info-flow{margin:0;padding-left:20px;color:var(--fg-dim)}.info-flow li{margin-bottom:8px}.info-flow li:last-child{margin-bottom:0}.info-layers{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.info-layer{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;background:var(--bg-card-2);border:1px solid var(--border);font-size:12px;color:var(--fg)}.info-layer-tag{flex-shrink:0;font-size:10px;font-weight:700;letter-spacing:.06em;padding:2px 6px;border-radius:4px;background:#ff7a3d33;color:var(--accent-2)}.info-table{width:100%;border-collapse:collapse;font-size:12px;margin-bottom:10px}.info-table th,.info-table td{padding:8px 10px;border:1px solid var(--border);text-align:left}.info-table th{background:var(--bg-card-2);color:var(--fg-dim);font-weight:600}.info-table td{color:var(--fg-dim)}.info-list{margin:0;padding-left:18px;color:var(--fg-dim)}.info-list li{margin-bottom:6px}.info-body code{background:var(--bg-card-2);padding:1px 5px;border-radius:4px;font-size:11px;color:var(--accent-2)}@media (max-width: 640px){.container{padding:16px 12px 40px}.page-header h1{font-size:22px}.courses-grid{grid-template-columns:1fr}}