/**
 * Warkop GM Berkah - Sistem Kasir
 * Main Stylesheet
 * Mobile First & Responsive Design
 */

:root {
    --primary-color: #d4a574;
    --secondary-color: #8b6f47;
    --dark-color: #1a1a1a;
    --light-color: #f5f5f5;
    --white-color: #ffffff;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 20px rgba(0,0,0,0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-color);
    color: var(--dark-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Container */
.container {
    width: 100%;
    padding: 0 15px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
}

@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--dark-color) 0%, #2a2a2a 100%);
    color: var(--white-color);
    padding: 15px 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.logo-text h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin: 0;
}

.logo-text p {
    font-size: 0.8rem;
    color: var(--light-color);
    margin: 0;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-info i {
    color: var(--primary-color);
}

/* Navigation */
.navbar {
    background-color: var(--white-color);
    box-shadow: var(--shadow);
    position: sticky;
    top: 80px;
    z-index: 999;
}

.nav-menu {
    display: flex;
    list-style: none;
    overflow-x: auto;
    padding: 0;
    margin: 0;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.nav-menu::-webkit-scrollbar {
    display: none;
}

.nav-item {
    white-space: nowrap;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 15px 20px;
    text-decoration: none;
    color: var(--dark-color);
    transition: all 0.3s;
    border-bottom: 3px solid transparent;
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--primary-color);
    color: var(--white-color);
    border-bottom-color: var(--secondary-color);
}

/* Main Content */
.main-content {
    padding: 20px 0;
    min-height: calc(100vh - 200px);
}

/* Cards */
.card {
    background-color: var(--white-color);
    border-radius: 10px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white-color);
    padding: 15px 20px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 15px 20px;
    background-color: var(--light-color);
    border-top: 1px solid #ddd;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s;
    text-align: center;
    justify-content: center;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white-color);
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-success {
    background-color: var(--success-color);
    color: var(--white-color);
}

.btn-success:hover {
    background-color: #218838;
}

.btn-danger {
    background-color: var(--danger-color);
    color: var(--white-color);
}

.btn-danger:hover {
    background-color: #c82333;
}

.btn-warning {
    background-color: var(--warning-color);
    color: var(--dark-color);
}

.btn-warning:hover {
    background-color: #e0a800;
}

.btn-info {
    background-color: var(--info-color);
    color: var(--white-color);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 15px 30px;
    font-size: 1.1rem;
}

.btn-block {
    display: block;
    width: 100%;
}

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

.form-label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--dark-color);
}

.form-control {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.1);
}

.form-control:disabled {
    background-color: var(--light-color);
    cursor: not-allowed;
}

select.form-control {
    cursor: pointer;
}

/* Grid System */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -10px;
}

.col {
    padding: 0 10px;
    flex: 1;
}

.col-6 {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 0 10px;
}

.col-12 {
    flex: 0 0 100%;
    max-width: 100%;
    padding: 0 10px;
}

@media (min-width: 768px) {
    .col-md-4 {
        flex: 0 0 33.333333%;
        max-width: 33.333333%;
        padding: 0 10px;
    }
    
    .col-md-6 {
        flex: 0 0 50%;
        max-width: 50%;
        padding: 0 10px;
    }
    
    .col-md-8 {
        flex: 0 0 66.666667%;
        max-width: 66.666667%;
        padding: 0 10px;
    }
}

@media (min-width: 992px) {
    .col-lg-3 {
        flex: 0 0 25%;
        max-width: 25%;
        padding: 0 10px;
    }
}

/* Table */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--white-color);
}

thead {
    background-color: var(--primary-color);
    color: var(--white-color);
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

tbody tr:hover {
    background-color: var(--light-color);
}

/* Product Catalog */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    padding: 10px 0;
}

@media (min-width: 768px) {
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 20px;
    }
}

.product-card {
    background-color: var(--white-color);
    border-radius: 10px;
    box-shadow: var(--shadow);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.product-card:active {
    transform: scale(0.98);
}

.product-image {
    width: 100%;
    height: 150px;
    object-fit: cover;
    background-color: var(--light-color);
}

.product-info {
    padding: 12px;
}

.product-name {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--dark-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-price {
    font-size: 1rem;
    color: var(--primary-color);
    font-weight: 700;
}

.product-stock {
    font-size: 0.8rem;
    color: #666;
    margin-top: 5px;
}

.stock-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
}

.stock-available {
    background-color: #d4edda;
    color: #155724;
}

.stock-low {
    background-color: #fff3cd;
    color: #856404;
}

.stock-empty {
    background-color: #f8d7da;
    color: #721c24;
}

/* Cart */
.cart-container {
    position: sticky;
    top: 100px;
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border-bottom: 1px solid #ddd;
    background-color: var(--white-color);
}

.cart-item-info {
    flex: 1;
}

.cart-item-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.cart-item-price {
    color: var(--primary-color);
    font-size: 0.85rem;
}

.cart-item-qty {
    display: flex;
    align-items: center;
    gap: 5px;
}

.qty-btn {
    width: 30px;
    height: 30px;
    border: none;
    background-color: var(--primary-color);
    color: var(--white-color);
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
}

.qty-input {
    width: 50px;
    text-align: center;
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 5px;
}

/* Cart Summary */
.cart-summary {
    background-color: var(--light-color);
    padding: 15px;
    border-radius: 5px;
    margin-top: 15px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.summary-row.total {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    border-top: 2px solid var(--primary-color);
    padding-top: 10px;
    margin-top: 10px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    overflow-y: auto;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--white-color);
    margin: 20px;
    border-radius: 10px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: 15px 20px;
    background-color: var(--primary-color);
    color: var(--white-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 10px 10px 0 0;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 15px 20px;
    background-color: var(--light-color);
    border-radius: 0 0 10px 10px;
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.close-modal {
    color: var(--white-color);
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    border: none;
    background: none;
}

/* Alert */
.alert {
    padding: 15px 20px;
    margin-bottom: 15px;
    border-radius: 5px;
    border-left: 4px solid;
}

.alert-success {
    background-color: #d4edda;
    border-color: var(--success-color);
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: var(--danger-color);
    color: #721c24;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: var(--warning-color);
    color: #856404;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: var(--info-color);
    color: #0c5460;
}

/* Loading */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--light-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: var(--white-color);
    text-align: center;
    padding: 20px 0;
    margin-top: 50px;
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background-color: white;
    }
    
    .print-area {
        width: 80mm;
        max-width: 100%;
        margin: 0 auto;
    }
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.p-10 { padding: 10px; }
.p-20 { padding: 20px; }
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.gap-10 { gap: 10px; }
.flex-wrap { flex-wrap: wrap; }

/* Badge */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1;
}

.badge-success {
    background-color: var(--success-color);
    color: var(--white-color);
}

.badge-danger {
    background-color: var(--danger-color);
    color: var(--white-color);
}

.badge-warning {
    background-color: var(--warning-color);
    color: var(--dark-color);
}

.badge-info {
    background-color: var(--info-color);
    color: var(--white-color);
}

/* Responsive Touch Improvements */
@media (max-width: 767px) {
    .btn {
        padding: 12px 20px;
        font-size: 1rem;
        min-height: 44px;
    }
    
    .form-control {
        padding: 12px 15px;
        font-size: 16px;
        min-height: 44px;
    }
    
    .nav-link {
        padding: 15px 15px;
        min-height: 44px;
    }
    
    .product-card {
        min-height: 200px;
    }
    
    th, td {
        font-size: 0.85rem;
        padding: 10px 8px;
    }
}