:root{--bg:#f6f7f9;--card:#ffffff;--ink:#1a1d21;--muted:#6b7280;--line:#e5e7eb;--brand:#0d9488;--brand-ink:#ffffff;--danger:#dc2626;--ok:#15803d;--radius:12px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}.page{max-width:720px;margin:0 auto;padding:24px 16px 64px}h1{font-size:1.5rem;margin:0 0 4px}h2{font-size:1.15rem;margin:0 0 12px}.muted{color:var(--muted)}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:16px}label{display:block;font-size:.85rem;font-weight:600;margin:12px 0 4px}input[type=number],input[type=password],input[type=tel],input[type=text],textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:1rem;background:#fff;color:var(--ink)}button{cursor:pointer;border:none;border-radius:8px;font-size:1rem;font-weight:600;padding:11px 16px}.btn-primary{background:var(--brand);color:var(--brand-ink);width:100%}.btn-primary:disabled{opacity:.55;cursor:not-allowed}.btn-secondary{background:#fff;border:1px solid var(--line);color:var(--ink)}.btn-danger{background:#fff;border:1px solid var(--danger);color:var(--danger)}.product-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.product-row:last-child{border-bottom:none}.qty{display:flex;align-items:center;gap:8px}.qty button{width:36px;height:36px;padding:0;background:#f1f5f9;font-size:1.2rem;line-height:1}.qty input{width:52px;text-align:center}.row-between{display:flex;align-items:center;justify-content:space-between;gap:12px}.total{font-size:1.25rem}.badge,.total{font-weight:700}.badge{display:inline-block;font-size:.75rem;padding:2px 10px;border-radius:999px}.badge-open{background:#dcfce7;color:var(--ok)}.badge-closed{background:#fee2e2;color:var(--danger)}.badge-paid{background:#dcfce7;color:var(--ok)}.notice{padding:12px 14px;border-radius:8px;font-size:.95rem;margin:12px 0}.notice-error{background:#fef2f2;color:var(--danger);border:1px solid #fecaca}.notice-ok{background:#f0fdf4;color:var(--ok);border:1px solid #bbf7d0}table{width:100%;border-collapse:collapse;font-size:.9rem}td,th{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:.75rem;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}.right{text-align:right}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}a{color:var(--brand)}.stack-sm>*+*{margin-top:8px}.loading-row{display:flex;align-items:center;gap:14px;padding:8px 0}.spinner{width:28px;height:28px;border:3px solid var(--line);border-top-color:var(--brand);border-radius:50%;flex-shrink:0;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.terms-box{background:#f8fafc;border:1px solid var(--line);border-radius:8px;padding:12px;margin-bottom:14px}.site-footer{margin-top:40px;padding-top:20px;border-top:1px solid var(--line)}.footer-links{display:flex;flex-wrap:wrap;gap:8px 18px;margin-bottom:12px}.footer-links a{font-size:.85rem}.legal h2{font-size:1.05rem;margin:20px 0 8px}.legal li,.legal p{line-height:1.6;color:#374151}.legal ul{padding-left:20px}.sheet-head{margin-bottom:16px}.sheet-table{border:1px solid #999}.sheet-table td,.sheet-table th{border:1px solid #999;padding:8px;vertical-align:top;font-size:.9rem}.sign-cell{height:48px}@page{size:A4 portrait;margin:12mm}@media print{.no-print,.site-footer,.topbar{display:none!important}.page{max-width:none;padding:0;margin:0}body{background:#fff}.sheet-table{width:100%;font-size:10.5pt}.sheet-table th{background:#f0f0f0!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}.sheet-table thead{display:table-header-group}.sheet-table tr{page-break-inside:avoid}}