/* ═══════════════════════════════════════════ */
/* FOOD KIOSK — Touch-optimized vertical UI    */
/* Max width: 480px, big buttons, high contrast */
/* ═══════════════════════════════════════════ */

:root {
    --kiosk-bg: #1a1a2e;
    --kiosk-surface: #16213e;
    --kiosk-card: #0f3460;
    --kiosk-primary: #e94560;
    --kiosk-success: #00c853;
    --kiosk-warning: #ff9800;
    --kiosk-text: #ffffff;
    --kiosk-text-secondary: #b0b0b0;
    --kiosk-radius: 16px;
    --kiosk-touch: 64px; /* minimum touch target */
}

/* Base */
.kiosk-body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--kiosk-bg);
    color: var(--kiosk-text);
    max-width: 480px;
    margin: 0 auto;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}

/* 1. Coupon Banner */
.kiosk-coupon-banner {
    background: linear-gradient(135deg, #ff4d4d, #ff6b6b);
    color: white;
    padding: 14px 16px;
    text-align: center;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 0.5px;
}

/* 2. Header */
.kiosk-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--kiosk-surface);
}

.kiosk-logo {
    font-size: 24px;
    font-weight: 800;
    margin: 0;
}

.kiosk-btn-cart {
    width: var(--kiosk-touch);
    height: var(--kiosk-touch);
    border-radius: 50%;
    border: none;
    background: var(--kiosk-primary);
    color: white;
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(233, 69, 96, 0.4);
}

.cart-count {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--kiosk-warning);
    color: white;
    font-size: 14px;
    font-weight: 700;
    min-width: 24px;
    height: 24px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 3. Tabs */
.kiosk-tabs {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.kiosk-tabs::-webkit-scrollbar { display: none; }

.kiosk-tab {
    padding: 10px 20px;
    border-radius: 24px;
    border: 2px solid var(--kiosk-card);
    background: transparent;
    color: var(--kiosk-text-secondary);
    font-size: 15px;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
    min-height: 44px;
    transition: all 0.2s;
}

.kiosk-tab.active {
    background: var(--kiosk-primary);
    color: white;
    border-color: var(--kiosk-primary);
}

/* 4. Promo Banner */
.kiosk-promo-banner {
    background: linear-gradient(135deg, var(--kiosk-card), #1a4a7a);
    margin: 12px 16px;
    padding: 16px;
    border-radius: var(--kiosk-radius);
    text-align: center;
    font-size: 16px;
    color: var(--kiosk-text);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* 5. Product Grid */
.kiosk-products {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 12px 16px 100px;
}

.kiosk-product-card {
    background: var(--kiosk-card);
    border-radius: var(--kiosk-radius);
    padding: 16px 12px;
    text-align: center;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
    border: 2px solid transparent;
}

.kiosk-product-card:active {
    transform: scale(0.96);
    border-color: var(--kiosk-primary);
}

.kiosk-product-img {
    font-size: 48px;
    margin-bottom: 8px;
}

.kiosk-product-name {
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.kiosk-product-price {
    font-size: 18px;
    font-weight: 800;
    color: var(--kiosk-success);
    margin-bottom: 8px;
}

.kiosk-btn-add {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 10px;
    background: var(--kiosk-primary);
    color: white;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    min-height: 44px;
}

/* Cart Panel */
.kiosk-cart-panel {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) translateY(100%);
    width: 100%;
    max-width: 480px;
    background: var(--kiosk-surface);
    border-radius: 24px 24px 0 0;
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    transition: transform 0.3s ease;
    padding: 20px;
    max-height: 70vh;
    overflow-y: auto;
}

.kiosk-cart-panel.visible {
    transform: translateX(-50%) translateY(0);
}

.kiosk-cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.kiosk-cart-header h2 {
    margin: 0;
    font-size: 20px;
}

.kiosk-btn-close {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 18px;
    cursor: pointer;
}

.kiosk-cart-items {
    min-height: 60px;
}

.kiosk-cart-empty {
    text-align: center;
    color: var(--kiosk-text-secondary);
    padding: 20px;
}

.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.cart-item-name {
    font-weight: 600;
}

.cart-item-qty {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cart-item-qty button {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--kiosk-card);
    color: white;
    font-size: 18px;
    cursor: pointer;
}

.kiosk-cart-footer {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 2px solid rgba(255, 255, 255, 0.1);
}

.kiosk-cart-total {
    font-size: 22px;
    text-align: center;
    margin-bottom: 16px;
}

.kiosk-btn-pay {
    width: 100%;
    padding: 18px;
    border: none;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--kiosk-success), #00e676);
    color: white;
    font-size: 20px;
    font-weight: 800;
    cursor: pointer;
    min-height: 60px;
    box-shadow: 0 4px 16px rgba(0, 200, 83, 0.4);
    letter-spacing: 0.5px;
}

.kiosk-btn-pay:active {
    transform: scale(0.98);
}

/* Return page */
.kiosk-return-container {
    max-width: 480px;
    margin: 0 auto;
    padding: 40px 20px;
    text-align: center;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.kiosk-success, .kiosk-pending {
    background: var(--kiosk-surface);
    border-radius: 24px;
    padding: 40px 24px;
    width: 100%;
}

.kiosk-success-icon, .kiosk-pending-icon {
    font-size: 72px;
    margin-bottom: 16px;
}

.kiosk-success h1, .kiosk-pending h1 {
    font-size: 28px;
    margin-bottom: 12px;
}

.kiosk-wait-msg {
    font-size: 20px;
    margin-top: 20px;
    color: var(--kiosk-warning);
    font-weight: 700;
}

.kiosk-auto-redirect {
    margin-top: 20px;
    color: var(--kiosk-text-secondary);
}

/* Order status badge */
.kiosk-order-status-badge {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 16px;
    margin: 12px 0;
}

.status-sale, .status-done {
    background: rgba(0, 200, 83, 0.2);
    color: var(--kiosk-success);
}

.status-draft {
    background: rgba(255, 152, 0, 0.2);
    color: var(--kiosk-warning);
}

/* Error page */
.kiosk-error-page {
    background: var(--kiosk-surface);
    border-radius: 24px;
    padding: 40px 24px;
    width: 100%;
}

.kiosk-error-icon {
    font-size: 72px;
    margin-bottom: 16px;
}

/* Shared buttons */
.kiosk-btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 12px;
    border: none;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    min-height: 50px;
}

.kiosk-btn-back {
    background: var(--kiosk-card);
    color: white;
    margin-top: 24px;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.kiosk-product-card {
    animation: fadeIn 0.3s ease forwards;
}