@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --accent: #f59e0b;
    --bg-color: #f8fafc;
    --card-bg: rgba(255, 255, 255, 0.9);
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border: rgba(226, 232, 240, 0.8);
    --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    padding-bottom: 80px; /* Space for bottom nav */
}

/* Header */
.app-header {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--glass-border);
}

.app-header h1 {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(to right, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Category Slider */
.categories-wrapper {
    overflow-x: auto;
    padding: 15px 20px;
    display: flex;
    gap: 15px;
    scrollbar-width: none; /* Firefox */
}
.categories-wrapper::-webkit-scrollbar {
    display: none; /* Chrome */
}

.category-pill {
    background: var(--card-bg);
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 14px;
    color: var(--text-muted);
    white-space: nowrap;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.category-pill.active {
    background: linear-gradient(to right, var(--primary), var(--primary-dark));
    color: white;
}

/* Menu Grid */
.menu-grid {
    padding: 10px 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
}

.menu-item {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    transition: transform 0.2s;
}

.menu-item:active {
    transform: scale(0.98);
}

.item-img-wrapper {
    position: relative;
    padding-top: 100%;
}

.item-img-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.item-details {
    padding: 12px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.item-name {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.item-desc {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 10px;
    flex-grow: 1;
}

.item-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.item-price {
    font-weight: 700;
    font-size: 15px;
    color: var(--primary);
}

.add-btn {
    background: var(--primary);
    color: white;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.2s;
}

/* Cart Overlay */
.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.cart-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

.cart-panel {
    position: absolute;
    bottom: -100%;
    left: 0;
    width: 100%;
    height: 80vh;
    background: var(--bg-color);
    border-radius: 24px 24px 0 0;
    transition: bottom 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
}

.cart-overlay.show .cart-panel {
    bottom: 0;
}

.cart-header {
    padding: 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card-bg);
    border-radius: 24px 24px 0 0;
}

.close-cart {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-muted);
}

.cart-items {
    padding: 20px;
    overflow-y: auto;
    flex-grow: 1;
}

.cart-item {
    background: var(--card-bg);
    padding: 10px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    box-shadow: var(--shadow);
}

.cart-item-info {
    flex-grow: 1;
    margin-left: 10px;
}

.cart-item-title {
    font-weight: 600;
    font-size: 14px;
}

.cart-item-price {
    color: var(--primary);
    font-weight: 700;
    font-size: 14px;
}

.cart-qty-controls {
    display: flex;
    align-items: center;
    background: var(--bg-color);
    border-radius: 20px;
    padding: 2px 8px;
}

.qty-btn {
    border: none;
    background: none;
    font-size: 18px;
    color: var(--text-main);
    width: 24px;
    height: 24px;
}

.qty-val {
    margin: 0 10px;
    font-weight: 600;
    font-size: 14px;
}

.cart-footer {
    background: var(--card-bg);
    padding: 20px;
    border-top: 1px solid var(--border);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 15px;
}

.checkout-btn {
    width: 100%;
    background: linear-gradient(to right, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    padding: 15px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    justify-content: space-around;
    padding: 12px 10px 24px 10px; /* Extra bottom padding for modern phones */
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.03);
    z-index: 90;
    border-top: 1px solid var(--glass-border);
    border-radius: 24px 24px 0 0;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 12px;
    gap: 4px;
    position: relative;
}

.nav-item.active {
    color: var(--primary);
}

.nav-item i {
    font-size: 20px;
}

.cart-badge {
    position: absolute;
    top: -5px;
    right: -10px;
    background: var(--primary);
    color: white;
    font-size: 10px;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Forms */
.form-group {
    margin-bottom: 15px;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 14px;
    background: var(--bg-color);
    outline: none;
    transition: border-color 0.3s;
}

.form-control:focus {
    border-color: var(--primary);
}

.empty-cart-msg {
    text-align: center;
    color: var(--text-muted);
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.empty-cart-msg i {
    font-size: 48px;
    color: var(--border);
}

/* Toast Notification */
#toast {
    visibility: hidden;
    min-width: 250px;
    margin-left: -125px;
    background-color: #333;
    color: #fff;
    text-align: center;
    border-radius: 30px;
    padding: 12px 20px;
    position: fixed;
    z-index: 1000;
    left: 50%;
    bottom: 90px;
    font-size: 14px;
    opacity: 0;
    transition: opacity 0.3s, bottom 0.3s;
}

#toast.show {
    visibility: visible;
    opacity: 1;
    bottom: 100px;
}

/* Pad/Tablet Responsiveness Enhancements */
@media (min-width: 481px) and (max-width: 820px) {
    .app-header { padding: 16px; }
    .app-header h1 { font-size: 22px; }
    .menu-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
    .form-control { font-size: 14px; padding: 12px; }
    .checkout-btn { padding: 14px; font-size: 15px; }
    table th, table td { padding: 10px 8px; font-size: 13px; }
    .card { padding: 15px; }
}

/* Mobile Responsiveness Enhancements */
@media (max-width: 480px) {
    .app-header { padding: 15px; }
    .app-header h1 { font-size: 20px; }
    .menu-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 10px; padding: 10px; }
    .cart-panel { height: 90vh; }
    .bottom-nav { padding: 10px 5px; }
    .nav-item i { font-size: 18px; }
    .nav-item span { font-size: 10px; }
    table th, table td { padding: 8px 5px; font-size: 12px; }
    .report-title { font-size: 16px; }
    .tab-btn { font-size: 12px; padding: 8px; }
    .form-control { font-size: 13px; padding: 10px; }
    .checkout-btn { padding: 12px; font-size: 14px; }
}