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

:root {
    --primary-color: #2c5f2d;
    --primary-hover: #1e4620;
    --secondary-color: #97b97f;
    --danger-color: #d32f2f;
    --warning-color: #f57c00;
    --success-color: #388e3c;
    --bg-color: #f5f5f5;
    --card-bg: #ffffff;
    --text-color: #333333;
    --text-muted: #666666;
    --border-color: #ddd;
    --sidebar-width: 280px;
    --sidebar-collapsed: 70px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* Layout */
.layout {
    display: flex;
    min-height: 100vh;
}

/* Hamburger Button */
.hamburger-btn {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1100;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
}

.hamburger-btn:hover {
    background: var(--primary-hover);
    transform: scale(1.05);
}

.hamburger-btn i {
    font-size: 1.5rem;
}

/* Sidebar Overlay */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.sidebar-overlay.open {
    opacity: 1;
    visibility: visible;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    padding: 0;
    position: fixed;
    height: 100vh;
    left: -280px;
    top: 0;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    z-index: 1000;
    transition: left 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sidebar.open {
    left: 0;
}

.sidebar-header {
    padding: 2rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.user-name {
    font-size: 0.9rem;
    opacity: 0.8;
}

.nav-menu {
    list-style: none;
    padding: 1rem 0;
    flex: 1;
    overflow-y: auto;
}

.nav-menu li {
    margin: 0.25rem 0;
}

.nav-menu a {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 4px solid transparent;
}

.nav-menu a:hover {
    background-color: rgba(255,255,255,0.1);
    border-left-color: var(--secondary-color);
}

.nav-menu a.active {
    background-color: rgba(255,255,255,0.15);
    border-left-color: white;
    font-weight: 600;
}

.nav-menu i {
    width: 24px;
    margin-right: 1rem;
    font-size: 1.1rem;
}

.sidebar-footer {
    width: 100%;
    padding: 1rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    flex-shrink: 0;
}

.language-switcher {
    margin-bottom: 0.5rem;
}

.lang-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 6px;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    font-size: 0.9rem;
    font-weight: 600;
}

.lang-btn:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.3);
}

.lang-btn i {
    font-size: 1.1rem;
}

.logout-btn {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    transition: all 0.2s ease;
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
}

.logout-btn:hover {
    background-color: rgba(255,255,255,0.1);
}

/* Main Content */
.main-content {
    margin-left: 0;
    padding: 2rem;
    padding-top: 90px;
    flex: 1;
    width: 100%;
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    line-height: 1.5;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

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

.btn-secondary:hover:not(:disabled) {
    background-color: #7a9d65;
}

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

.btn-danger:hover:not(:disabled) {
    background-color: #b71c1c;
}

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

.btn-success:hover:not(:disabled) {
    background-color: #2e7d32;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

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

.btn-group {
    display: flex;
    gap: 0.5rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: white;
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(44, 95, 45, 0.1);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

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

.table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
    background-color: rgba(151, 185, 127, 0.1);
    cursor: pointer;
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* Order Status Badges */
.status-badge {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 20px;
    text-transform: uppercase;
}

.status-pending { background-color: #fff3cd; color: #856404; }
.status-picked { background-color: #cfe2ff; color: #084298; }
.status-packed { background-color: #d1e7dd; color: #0f5132; }
.status-delivered { background-color: #d1e7dd; color: #0f5132; }
.status-cancelled { background-color: #f8d7da; color: #842029; }
.status-do_not_fill { background-color: #dc3545; color: white; font-weight: bold; }
.status-out_for_delivery { background-color: #0dcaf0; color: #000; }

/* Grid System */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -0.75rem;
}

.col {
    flex: 1;
    padding: 0 0.75rem;
}

.col-2 { flex: 0 0 16.666%; max-width: 16.666%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-4 { flex: 0 0 33.333%; max-width: 33.333%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-8 { flex: 0 0 66.666%; max-width: 66.666%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }

/* Login Page */
.login-layout {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
}

.login-container {
    background: white;
    border-radius: 12px;
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Keypad for PIN entry */
.keypad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin: 2rem 0;
}

.keypad-btn {
    padding: 1.5rem;
    font-size: 1.5rem;
    font-weight: 600;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.keypad-btn:active {
    transform: scale(0.95);
}

.pin-display {
    text-align: center;
    font-size: 2rem;
    letter-spacing: 1rem;
    margin: 2rem 0;
    min-height: 3rem;
    font-family: monospace;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

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

.modal-close:hover {
    color: var(--danger-color);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
}

.confirm-modal {
    max-width: 400px;
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 10000;
    max-width: 400px;
}

.toast {
    background: white;
    padding: 1rem 1.5rem;
    margin-bottom: 0.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.success { border-left: 4px solid var(--success-color); }
.toast.error { border-left: 4px solid var(--danger-color); }
.toast.warning { border-left: 4px solid var(--warning-color); }
.toast.info { border-left: 4px solid var(--primary-color); }

/* Quantity Controls */
.quantity-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.quantity-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    min-width: 50px;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.quantity-display {
    font-size: 1.25rem;
    font-weight: 600;
    min-width: 60px;
    text-align: center;
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.product-item {
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    transition: all 0.2s ease;
}

.product-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.product-image {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 0.5rem;
    background-color: var(--bg-color);
}

.product-name {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: var(--sidebar-collapsed);
    }
    
    .sidebar-header h2,
    .user-name,
    .nav-menu span {
        display: none;
    }
    
    .nav-menu a {
        justify-content: center;
        padding: 1rem;
    }
    
    .nav-menu i {
        margin-right: 0;
    }
    
    .main-content {
        margin-left: var(--sidebar-collapsed);
        width: calc(100% - var(--sidebar-collapsed));
        padding: 1rem;
    }
    
    .col-2, .col-3, .col-4, .col-6, .col-8 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}

/* Print Styles */
@media print {
    .sidebar,
    .btn,
    .modal {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
    }
}