.auth-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;z-index:300;display:flex;align-items:center;justify-content:center;padding:24px}.auth-card{background:var(--surface);border-radius:var(--radius);box-shadow:0 16px 48px #00000038;width:100%}.auth-card.login{max-width:380px;padding:30px 30px 26px}.auth-card.signup{max-width:560px;max-height:88vh;overflow-y:auto;padding:30px 30px 26px}.auth-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:20px}.auth-title{font-size:20px;font-weight:800;letter-spacing:.5px}.auth-req{font-size:12px;color:var(--text-faint)}.auth-field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.auth-field label{font-size:13px;font-weight:700;color:var(--text-dim)}.auth-field .star{color:var(--primary);margin-left:2px}.auth-input,.auth-select{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font-size:14px;color:var(--text);background:#fff}.auth-input:focus,.auth-select:focus{outline:2px solid var(--badge-bg);border-color:var(--primary)}.auth-err{font-size:12px;color:#dc2626}.auth-sec{font-size:13px;font-weight:800;color:var(--text);margin:18px 0 10px;padding-bottom:6px;border-bottom:1px solid var(--line)}.auth-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.auth-field.full{grid-column:1 / -1}.auth-id-row{display:flex;gap:8px}.auth-id-row .auth-input{flex:1}.auth-dup{white-space:nowrap;padding:0 14px;border:1px solid var(--primary);color:var(--primary);background:#fff;border-radius:10px;font-size:13px;font-weight:700;cursor:pointer}.auth-dup-result{font-size:12px}.auth-dup-result.ok{color:#16a34a}.auth-dup-result.taken{color:#dc2626}.auth-agree{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-dim);margin:16px 0 4px}.auth-note{font-size:12px;color:var(--text-dim);background:var(--bg);border-radius:10px;padding:10px 12px;margin:12px 0}.auth-banner{font-size:13px;color:#dc2626;background:#fef2f2;border:1px solid #fecaca;border-radius:10px;padding:10px 12px;margin:8px 0}.auth-notice{font-size:13px;color:var(--badge-text);background:var(--badge-bg);border-radius:10px;padding:10px 12px;margin:0 0 14px}.auth-submit{width:100%;margin-top:8px;padding:13px;border:none;border-radius:10px;background:var(--primary);color:#fff;font-size:15px;font-weight:700;cursor:pointer}.auth-submit:hover{background:var(--primary-deep)}.auth-submit:disabled{opacity:.6;cursor:default}.auth-foot{margin-top:16px;text-align:center;font-size:13px;color:var(--text-dim)}.auth-foot a{color:var(--primary);font-weight:700;cursor:pointer}.cart-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;z-index:250;display:flex;align-items:center;justify-content:center;padding:24px}.cart-card{background:var(--surface);border-radius:var(--radius);box-shadow:0 16px 48px #00000038;width:100%;max-width:480px;max-height:86vh;display:flex;flex-direction:column}.cart-head{display:flex;align-items:baseline;gap:8px;padding:20px 22px 14px;border-bottom:1px solid var(--line)}.cart-title{font-size:18px;font-weight:800}.cart-count{font-size:13px;color:var(--text-dim)}.cart-empty{padding:40px 22px;text-align:center;color:var(--text-dim);font-size:14px}.cart-list{flex:1;overflow-y:auto;padding:6px 22px}.cart-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.cart-thumb{width:56px;height:56px;flex-shrink:0;border-radius:8px;background:var(--bg);display:flex;align-items:center;justify-content:center;overflow:hidden}.cart-thumb img{max-width:100%;max-height:100%;width:auto;height:auto}.cart-info{flex:1;min-width:0}.cart-name{font-weight:700;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cart-unit{font-size:12px;color:var(--text-dim);margin-top:3px}.cart-qty{display:flex;align-items:center;gap:8px}.cart-qty button{width:26px;height:26px;border:1px solid var(--line);border-radius:6px;background:#fff;cursor:pointer;font-size:15px;line-height:1;color:var(--text)}.cart-qty span{min-width:20px;text-align:center;font-size:14px;font-weight:700}.cart-remove{background:transparent;border:none;cursor:pointer;font-size:18px;color:var(--text-faint);line-height:1;padding:4px}.cart-summary{padding:14px 22px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:6px}.cart-summary>div{display:flex;justify-content:space-between;font-size:13px;color:var(--text-dim)}.cart-total{font-size:16px!important;font-weight:800;color:var(--text)!important}.cart-actions{display:flex;gap:10px;padding:0 22px 20px}.cart-actions .btn-primary{flex:1}.cart-actions .btn-primary:disabled,.cart-actions .btn-ghost:disabled{opacity:.5;cursor:default}.product-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;z-index:250;display:flex;align-items:center;justify-content:center;padding:24px}.product-card{background:var(--surface);border-radius:var(--radius);box-shadow:0 16px 48px #00000038;width:100%;max-width:520px;max-height:88vh;overflow-y:auto}.product-image{height:260px;background:var(--bg);border-radius:var(--radius) var(--radius) 0 0;display:flex;align-items:center;justify-content:center;overflow:hidden}.product-image img{max-width:100%;max-height:100%;width:auto;height:auto}.product-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px}.product-title{font-size:20px;font-weight:800}.product-price{font-size:18px;font-weight:800;color:var(--primary)}.product-unit{font-size:13px;color:var(--text-dim);font-weight:600}.product-desc{font-size:14px;color:var(--text-dim);line-height:1.6;white-space:pre-wrap}.product-features{display:flex;flex-wrap:wrap;gap:6px}.product-feat{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--text-dim);background:var(--bg);border-radius:6px;padding:3px 8px}.product-actions{display:flex;gap:10px;margin-top:8px}.product-actions .btn-primary{flex:1}:root{--bg: #f4f6f9;--surface: #ffffff;--line: #e5e9f0;--text: #1f2733;--text-dim: #5b6573;--text-faint: #9aa3b0;--primary: #2563eb;--primary-deep: #1d4ed8;--badge-bg: #dbeafe;--badge-text: #1d4ed8;--radius: 14px}*{box-sizing:border-box}body{margin:0;font-family:Pretendard,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.btn-primary{background:var(--primary);color:#fff;border:none;border-radius:10px;padding:12px 18px;font-size:14px;font-weight:700;cursor:pointer}.btn-primary:hover{background:var(--primary-deep)}.btn-ghost{background:transparent;border:1px solid var(--line);border-radius:10px;padding:8px 14px;font-size:13px;font-weight:600;cursor:pointer;color:var(--text)}.badge{background:var(--badge-bg);color:var(--badge-text);border-radius:6px;padding:1px 7px;font-size:11px;font-weight:700}