:root{--accent: #0f766e;--ink: #1e293b;--muted: #64748b;--line: #e2e8f0;--bg: #f1f5f9;--card: #ffffff;--star: #f59e0b;--danger: #dc2626;--radius: 14px}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink);-webkit-tap-highlight-color:transparent}.c-wrap{max-width:560px;margin:0 auto;padding:12px 12px calc(24px + env(safe-area-inset-bottom))}.c-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:12px;box-shadow:0 1px 2px #0f172a0d}.c-shop{display:flex;gap:12px;align-items:center}.c-shop img{width:52px;height:52px;border-radius:12px;-o-object-fit:contain;object-fit:contain;border:1px solid var(--line);background:#fff}.c-shop h1{font-size:18px;margin:0}.c-shop p{margin:2px 0 0;font-size:12px;color:var(--muted);line-height:1.45}.c-billhead{display:flex;justify-content:space-between;gap:8px;font-size:13px;padding:10px 0;border-bottom:1px dashed var(--line);margin-bottom:10px}.c-billhead b{display:block;font-size:15px}.c-muted{color:var(--muted);font-size:12px}table.c-items{width:100%;border-collapse:collapse;font-size:13px}table.c-items th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);padding:6px 4px;border-bottom:1px solid var(--line)}table.c-items td{padding:8px 4px;border-bottom:1px solid var(--line);vertical-align:top}.c-num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.c-totals{margin-top:10px;font-size:13px}.c-totals .row{display:flex;justify-content:space-between;padding:3px 0}.c-totals .grand{font-size:17px;font-weight:700;border-top:1px solid var(--line);margin-top:6px;padding-top:8px}.c-paid{display:inline-block;font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;background:#dcfce7;color:#166534}.c-due{display:inline-block;font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;background:#fef3c7;color:#92400e}.c-btn{display:block;width:100%;border:0;border-radius:12px;padding:13px;font-size:15px;font-weight:700;background:var(--accent);color:#fff;cursor:pointer;margin-top:10px}.c-btn:disabled{opacity:.55;cursor:default}.c-btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}.c-row2{display:flex;gap:8px}.c-row2 .c-btn{margin-top:10px}.c-stars{display:flex;gap:6px;justify-content:center;margin:12px 0}.c-stars button{border:0;background:none;font-size:38px;line-height:1;cursor:pointer;color:#cbd5e1;padding:2px}.c-stars button.on{color:var(--star)}.c-tags{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}.c-tags button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 13px;font-size:13px;cursor:pointer}.c-tags button.on{border-color:var(--accent);background:#ccfbf1;font-weight:700}.c-input,textarea.c-input{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px;font-size:14px;font-family:inherit;margin-top:8px}.c-social{display:flex;gap:8px}.c-social a{flex:1;text-align:center;text-decoration:none;border:1px solid var(--line);border-radius:10px;padding:10px 4px;font-size:13px;font-weight:600;color:var(--ink);background:#fff}.c-center{text-align:center}.c-err{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;border-radius:12px;padding:16px;font-size:14px}.c-loading{text-align:center;padding:48px 16px;color:var(--muted)}.c-hint{font-size:12px;color:var(--muted);margin-top:8px;line-height:1.5}@media print{body{background:#fff}body.print-invoice .c-wrap>*:not(.print-area){display:none!important}.c-card{box-shadow:none;border:0;margin:0;padding:0}.no-print{display:none!important}}