:root {
    --primary-color: #007aff;
    --bg-color: #f5f5f7;
    --card-bg: #ffffff;
    --text-main: #1d1d1f;
    --text-secondary: #86868b;
    --border-radius: 12px;
    --shadow: 0 4px 12px rgba(0,0,0,0.05);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { 
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    margin-bottom: 30px;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 15px;
}

.notice {
    background: #fffbe6;
    border: 1px solid #ffe58f;
    padding: 12px 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: #856404;
}

main {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 30px;
}

@media (max-width: 768px) {
    main { grid-template-columns: 1fr; }
}

.section-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    padding-left: 10px;
    border-left: 4px solid var(--primary-color);
}

.category-group {
    margin-bottom: 30px;
}

.category-title {
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 12px;
    font-weight: 600;
}

.product-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    box-shadow: var(--shadow);
}

.product-card:hover {
    transform: translateY(-2px);
    border-color: #e5e5ea;
}

.product-card.active {
    border-color: var(--primary-color);
    background: #f0f7ff;
}

.product-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.product-info i {
    font-size: 24px;
    color: var(--primary-color);
    width: 32px;
    text-align: center;
}

.product-info .name {
    font-weight: 600;
    font-size: 16px;
}

.product-info .desc {
    font-size: 13px;
    color: var(--text-secondary);
}

.product-price {
    font-weight: 700;
    font-size: 18px;
    color: #eb2f96;
}

/* Order Section */
.order-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    position: sticky;
    top: 20px;
}

.placeholder {
    color: var(--text-secondary);
    text-align: center;
    padding: 40px 0;
    border: 2px dashed #e5e5ea;
    border-radius: 12px;
    margin-bottom: 20px;
}

.selected-item {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    padding: 15px;
    background: #f8f8fa;
    border-radius: 10px;
}

.selected-item i { font-size: 30px; color: var(--primary-color); }
.selected-item h3 { font-size: 17px; margin-bottom: 4px; }
.selected-item p { font-size: 13px; color: var(--text-secondary); }

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
}

input[type="email"] {
    width: 100%;
    padding: 12px;
    border: 1px solid #e5e5ea;
    border-radius: 8px;
    font-size: 15px;
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: 10px;
}

.quantity-control button {
    width: 36px;
    height: 36px;
    border: 1px solid #e5e5ea;
    background: #fff;
    border-radius: 4px;
    cursor: pointer;
}

.quantity-control input {
    width: 60px;
    text-align: center;
    padding: 8px;
    border: 1px solid #e5e5ea;
}

.pay-types {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.pay-option input { display: none; }
.pay-btn {
    display: block;
    padding: 12px;
    border: 1px solid #e5e5ea;
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.pay-option input:checked + .pay-btn {
    border-color: var(--primary-color);
    background: #f0f7ff;
    color: var(--primary-color);
}

.total-bar {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #f2f2f2;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.total-bar b { font-size: 24px; color: #eb2f96; }

.submit-btn {
    background: var(--primary-color);
    color: #fff;
    border: none;
    padding: 14px 28px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,122,255,0.3);
}

.submit-btn:hover {
    background: #0066d6;
}

footer {
    margin-top: 50px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
    padding-bottom: 30px;
}

.social-links { margin-top: 10px; }
.social-links a { color: var(--primary-color); text-decoration: none; font-weight: 600; }