:root{--bg: #0f1115;--card: #171a21;--text: #e8e8ea;--sub: #9aa0ac;--accent: #5b8cff;--border: #2a2f3a;--code: #1d2129}@media (prefers-color-scheme: light){:root{--bg: #f5f6f8;--card: #ffffff;--text: #1c1f26;--sub: #5b6270;--accent: #2a5fd9;--border: #e1e4ea;--code: #eef0f4}}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{padding:16px 20px;border-bottom:1px solid var(--border);background:var(--card)}.app-header h1{font-size:1.2rem;margin:0 0 4px;color:var(--accent)}.app-header p{font-size:.85rem;color:var(--sub);margin:0}.tabbar{display:flex;gap:6px;padding:0 20px;background:var(--card);border-bottom:1px solid var(--border);overflow-x:auto}.tab-btn{background:none;border:none;border-bottom:2px solid transparent;color:var(--sub);padding:12px 14px;font-size:.85rem;cursor:pointer;white-space:nowrap}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent)}.app-tabpage{flex:1;padding:16px 20px;overflow-y:auto}.calc-panel{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:18px;max-width:720px;margin:0 auto}.calc-panel h2{margin-top:0;color:var(--accent)}.calc-hint{color:var(--sub);font-size:.85rem}.calc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin:14px 0}.calc-grid label{display:flex;flex-direction:column;gap:4px;font-size:.8rem;color:var(--sub)}.calc-grid input,.calc-grid select{background:var(--code);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:7px 9px;font-size:.9rem;font-family:inherit}.calc-result{border-top:1px solid var(--border);padding-top:14px}.calc-row{display:flex;justify-content:space-between;padding:6px 0;font-size:.9rem}.calc-row-total{border-top:1px dashed var(--border);font-weight:700}.calc-row-suggest{color:var(--accent);font-weight:700}.calc-row.calc-warning{color:#ff8a80}.calc-breakeven{margin-top:8px;font-size:.82rem;color:var(--sub)}.calc-warning-box{margin-top:12px;background:#4a1f1f;color:#ffb4b4;border-radius:8px;padding:10px 12px;font-size:.85rem;font-weight:700}.shop-panel{max-width:900px;margin:0 auto}.shop-panel h2{color:var(--accent)}.shop-disclaimer{background:#3a2f10;color:#ffd58a;border-radius:8px;padding:10px 12px;font-size:.8rem;margin-bottom:14px}.shop-notice{background:var(--code);border:1px solid var(--border);border-radius:8px;padding:10px 12px;font-size:.82rem;margin-bottom:14px}.shop-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.shop-card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:14px;display:flex;flex-direction:column;gap:8px}.shop-card h3{margin:0;font-size:.95rem}.shop-desc{color:var(--sub);font-size:.8rem;margin:0;flex:1}.shop-price{font-size:1.1rem;font-weight:700;color:var(--accent)}.shop-card button{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:8px 14px;cursor:pointer;font-size:.85rem}.custom-panel{max-width:720px;margin:0 auto}.custom-panel h2{color:var(--accent)}.custom-disclaimer{background:#3a2f10;color:#ffd58a;border-radius:8px;padding:10px 12px;font-size:.8rem;margin-bottom:14px}.custom-error{background:#3a1f1f;color:#ffb4b4;border-radius:8px;padding:10px 12px;font-size:.82rem;margin-bottom:14px}.custom-error p{margin:4px 0}.custom-field{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:14px;margin-bottom:14px}.custom-filelabel,.custom-notelabel{display:block;font-size:.85rem;color:var(--sub);margin-bottom:8px}.custom-filelabel input{display:block;margin-top:8px}.custom-filecurrent{margin-top:8px;font-size:.82rem;color:var(--text)}.custom-filecurrent button{margin-left:10px;background:var(--code);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:3px 8px;cursor:pointer;font-size:.78rem}.custom-hint{color:var(--sub);font-size:.75rem;margin:8px 0 0}.custom-textarea{width:100%;background:var(--code);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:9px 10px;font-size:.88rem;font-family:inherit;resize:vertical;box-sizing:border-box}.custom-buybar{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:14px}.custom-price{font-size:1.2rem;font-weight:700;color:var(--accent)}.custom-buybar button{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:10px 18px;cursor:pointer;font-size:.9rem}.custom-buybar button:disabled{opacity:.6;cursor:not-allowed}.custom-tierinfo{font-size:.85rem;color:var(--sub);margin-bottom:10px}.custom-confirm{background:var(--card);border:1px solid var(--accent);border-radius:10px;padding:14px}.custom-confirm p{margin:0 0 12px;font-size:.9rem;color:var(--text)}.custom-confirmbar{display:flex;gap:12px;justify-content:flex-end}.custom-confirmbar button{border:none;border-radius:8px;padding:10px 18px;cursor:pointer;font-size:.9rem}.custom-confirmbar button:first-child{background:var(--code);color:var(--text);border:1px solid var(--border)}.custom-confirmbar button:last-child{background:var(--accent);color:#fff}.custom-confirmbar button:disabled{opacity:.6;cursor:not-allowed}.thankyou-panel{max-width:720px;margin:40px auto;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:24px;text-align:center}.thankyou-download{margin:16px 0}.thankyou-download a{color:var(--accent)}.thankyou-warning{background:#3a2f10;color:#ffd58a;border-radius:8px;padding:10px 12px;font-size:.8rem;text-align:left;margin:16px 0}.thankyou-panel button{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:8px 16px;cursor:pointer;font-size:.85rem}.thankyou-pidnote{display:inline-block;color:var(--sub);font-size:.78rem}.thankyou-actions{margin:18px 0}.thankyou-status{color:var(--sub);font-size:.9rem}.thankyou-error{background:#3a1f1f;color:#ffb4b4;border-radius:8px;padding:12px 14px;font-size:.82rem;text-align:left;margin:16px 0}.thankyou-error button{margin-top:8px}.thankyou-result{text-align:left;margin:16px 0}.thankyou-result h3{color:var(--accent);font-size:1rem;text-align:center}.thankyou-preview{width:100%;height:480px;border:1px solid var(--border);border-radius:8px;background:#fff;margin:10px 0}.thankyou-result button{display:block;margin:10px auto 0}.thankyou-back{margin-top:20px}.dashboard-panel{max-width:900px;margin:0 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h3{margin-top:0;font-size:.95rem}.dashboard-requirements ul{margin:0;padding-left:20px;font-size:.85rem;color:var(--sub)}