/* Makeen Inventory Management System Styles */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f8f9fa;
}

/* Login Page Styles */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.login-card {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-card h1 {
    color: #333;
    margin-bottom: 30px;
    font-size: 2rem;
}

.login-card .logo {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #555;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: #667eea;
    color: white;
    width: 100%;
}

.btn-primary:hover {
    background: #5a6fd8;
    transform: translateY(-2px);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-success {
    background: #28a745;
    color: white;
}

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

.btn-danger {
    background: #dc3545;
    color: white;
}

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

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

.default-credentials {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 15px;
    margin-top: 30px;
    text-align: left;
}

.default-credentials h4 {
    color: #495057;
    margin-bottom: 10px;
}

.default-credentials p {
    margin: 5px 0;
    color: #6c757d;
}

/* App Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: #2c3e50;
    color: white;
    position: fixed;
    height: 100vh;
    z-index: 1000;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid #34495e;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
}

.sidebar-toggle {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    display: none;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu li {
    border-bottom: 1px solid #34495e;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    color: #bdc3c7;
    text-decoration: none;
    transition: all 0.3s ease;
}

.sidebar-menu a:hover {
    background: #34495e;
    color: white;
}

.sidebar-menu li.active a {
    background: #3498db;
    color: white;
}

.sidebar-menu i {
    width: 20px;
    margin-right: 12px;
    text-align: center;
}

.sidebar-footer {
    position: absolute;
    bottom: 0;
    width: 100%;
    border-top: 1px solid #34495e;
}

.user-info {
    padding: 15px 20px;
    border-bottom: 1px solid #34495e;
    color: #bdc3c7;
}

.logout-btn {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    color: #e74c3c;
    text-decoration: none;
    transition: all 0.3s ease;
}

.logout-btn:hover {
    background: #34495e;
    color: #c0392b;
}

/* Main Content */
.main-content {
    margin-left: 260px;
    flex: 1;
    min-height: 100vh;
    background: #f8f9fa;
}

.content-wrapper {
    padding: 30px;
}

/* Page Header */
.page-header {
    background: white;
    padding: 20px 30px;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-header h1 {
    color: #2c3e50;
    font-size: 1.8rem;
    font-weight: 600;
}

/* Dashboard Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-card .icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.stat-card.products .icon { color: #3498db; }
.stat-card.categories .icon { color: #2ecc71; }
.stat-card.suppliers .icon { color: #f39c12; }
.stat-card.value .icon { color: #e74c3c; }
.stat-card.low-stock .icon { color: #e67e22; }
.stat-card.movements .icon { color: #9b59b6; }

.stat-card h3 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 10px;
}

.stat-card p {
    color: #7f8c8d;
    font-size: 1rem;
}

/* Charts */
.chart-container {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    height: 350px; /* Fixed height to prevent infinite expansion */
}

.chart-container h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.chart-container canvas {
    max-height: 280px !important; /* Constrain canvas height */
}

.charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

/* Tables */
.table-container {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.table-header {
    padding: 20px 25px;
    background: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.table-header h3 {
    color: #2c3e50;
    font-size: 1.3rem;
}

.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #dee2e6;
}

th {
    background: #f8f9fa;
    font-weight: 600;
    color: #495057;
}

tbody tr:hover {
    background: #f8f9fa;
}

/* Search and Filter */
.search-filter {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    align-items: center;
}

.search-box {
    position: relative;
    flex: 1;
    max-width: 300px;
}

.search-box input {
    width: 100%;
    padding: 10px 15px 10px 40px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 14px;
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #6c757d;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 1050;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
}

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

.modal-content {
    background: white;
    border-radius: 10px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 20px 25px;
    border-bottom: 1px solid #dee2e6;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h4 {
    color: #2c3e50;
    font-size: 1.2rem;
}

.close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #6c757d;
}

.modal-body {
    padding: 25px;
}

.modal-footer {
    padding: 20px 25px;
    border-top: 1px solid #dee2e6;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid transparent;
}

.alert-success {
    background: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-danger {
    background: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.alert-warning {
    background: #fff3cd;
    border-color: #ffeaa7;
    color: #856404;
}

.alert-info {
    background: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 4px;
    text-transform: uppercase;
}

.badge-success {
    background: #28a745;
    color: white;
}

.badge-danger {
    background: #dc3545;
    color: white;
}

.badge-warning {
    background: #ffc107;
    color: #212529;
}

.badge-info {
    background: #17a2b8;
    color: white;
}

/* Form Layouts */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.form-row {
    display: flex;
    gap: 15px;
}

.form-row .form-group {
    flex: 1;
}

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-top: 20px;
}

.pagination a {
    padding: 8px 12px;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    color: #495057;
    text-decoration: none;
    transition: all 0.3s ease;
}

.pagination a:hover {
    background: #e9ecef;
}

.pagination a.active {
    background: #007bff;
    color: white;
    border-color: #007bff;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.3s ease;
}

.loading-spinner {
    text-align: center;
    color: #333;
}

.loading-spinner i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #007bff;
}

.loading-spinner p {
    margin: 0;
    font-size: 1.1rem;
    color: #666;
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        transform: translateX(-100%);
        width: 280px;
        height: 100vh;
        z-index: 1000;
        transition: transform 0.3s ease;
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    .mobile-menu-btn {
        display: block;
        position: fixed;
        top: 20px;
        left: 20px;
        z-index: 1001;
        background: #007bff;
        color: white;
        border: none;
        padding: 10px;
        border-radius: 4px;
        cursor: pointer;
    }
    
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
    }
    
    .sidebar-overlay.show {
        display: block;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content-wrapper {
        padding: 20px;
    }
    
    .page-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .charts-grid {
        grid-template-columns: 1fr;
    }
    
    .search-filter {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        max-width: none;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .quick-actions {
        justify-content: center;
    }
    
    .table-responsive {
        font-size: 14px;
    }
    
    th, td {
        padding: 8px 10px;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 30px 20px;
    }
    
    .modal-content {
        width: 95%;
        margin: 20px;
    }
    
    .modal-body {
        padding: 20px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.justify-content-between { justify-content: space-between; }
.align-items-center { align-items: center; }
.w-100 { width: 100%; }
.text-muted { color: #6c757d; }
.text-primary { color: #007bff; }
.text-success { color: #28a745; }
.text-danger { color: #dc3545; }
.text-warning { color: #ffc107; }
.text-info { color: #17a2b8; }