/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f6fa;
    color: #2c3e50;
    line-height: 1.6;
}

/* Layout */
.header {
    background: white;
    border-bottom: 1px solid #e1e8ed;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    padding: 0 1rem;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: #2c3e50;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
}

.sidebar-toggle:hover {
    background-color: #f8f9fa;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
    font-weight: bold;
    color: #3498db;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.shop-name {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #7f8c8d;
    font-size: 0.9rem;
}

.user-menu {
    position: relative;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.user-info:hover {
    background-color: #f8f9fa;
}

.role {
    font-size: 0.8rem;
    color: #7f8c8d;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border: 1px solid #e1e8ed;
    border-radius: 4px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    min-width: 150px;
    display: none;
    z-index: 1001;
}

.user-menu:hover .user-dropdown {
    display: block;
}

.user-dropdown a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    color: #2c3e50;
    text-decoration: none;
    transition: background-color 0.2s;
}

.user-dropdown a:hover {
    background-color: #f8f9fa;
}

.sidebar {
    position: fixed;
    top: 60px;
    left: 0;
    width: 250px;
    height: calc(100vh - 60px);
    background: white;
    border-right: 1px solid #e1e8ed;
    overflow-y: auto;
    transition: transform 0.3s ease;
    z-index: 999;
}

.sidebar-nav ul {
    list-style: none;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: #2c3e50;
    text-decoration: none;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background-color: #f8f9fa;
    border-left-color: #3498db;
    color: #3498db;
}

.menu-section {
    padding: 1rem 1rem 0.5rem;
    font-size: 0.8rem;
    font-weight: bold;
    color: #7f8c8d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.main-content {
    margin-left: 250px;
    margin-top: 60px;
    padding: 2rem;
    min-height: calc(100vh - 60px);
}

/* Dashboard */
.dashboard-header {
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.dashboard-header h1 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.dashboard-header p {
    color: #7f8c8d;
}

.header-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    background-color: #3498db;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-info h3 {
    font-size: 1.8rem;
    margin-bottom: 0.25rem;
    color: #2c3e50;
}

.stat-info p {
    color: #7f8c8d;
    font-size: 0.9rem;
}

.dashboard-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.dashboard-section {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.dashboard-section h3 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

.quick-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background-color: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    text-decoration: none;
    color: #2c3e50;
    transition: all 0.2s;
}

.action-btn:hover {
    background-color: #3498db;
    border-color: #3498db;
    color: white;
    transform: translateY(-2px);
}

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

.recent-sales-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.recent-sale-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background-color: #f8f9fa;
    border-radius: 4px;
    border-left: 3px solid #3498db;
}

.sale-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.sale-info strong {
    color: #2c3e50;
}

.sale-info span {
    color: #7f8c8d;
    font-size: 0.9rem;
}

.sale-amount {
    font-weight: bold;
    color: #27ae60;
}

/* Forms and buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
    font-size: 0.9rem;
}

.btn:hover {
    background-color: #2980b9;
}

.btn-primary {
    background-color: #3498db;
}

.btn-success {
    background-color: #27ae60;
}

.btn-danger {
    background-color: #e74c3c;
}

.btn-warning {
    background-color: #f39c12;
}

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

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

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Tables */
.table-container {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

.table th,
.table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #e1e8ed;
}

.table th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: #2c3e50;
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}

/* Badges */
.badge {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.badge-success {
    background-color: #d4edda;
    color: #155724;
}

.badge-warning {
    background-color: #fff3cd;
    color: #856404;
}

.badge-danger {
    background-color: #f8d7da;
    color: #721c24;
}

.badge-info {
    background-color: #d1ecf1;
    color: #0c5460;
}

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    border-left: 4px solid;
}

.alert-success {
    background-color: #d4edda;
    border-left-color: #28a745;
    color: #155724;
}

.alert-error {
    background-color: #f8d7da;
    border-left-color: #dc3545;
    color: #721c24;
}

.alert-warning {
    background-color: #fff3cd;
    border-left-color: #ffc107;
    color: #856404;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.form-control {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.1);
}

label {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 500;
    color: #2c3e50;
}

/* Form containers and actions */
.form-container {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #e1e8ed;
}

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

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
}

.login-box {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

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

.login-header h1 {
    color: #3498db;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: #7f8c8d;
}

.input-group {
    position: relative;
    margin-bottom: 1rem;
}

.input-group i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #7f8c8d;
}

.input-group input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 0.9rem;
}

.login-footer {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid #e1e8ed;
    text-align: center;
    font-size: 0.8rem;
    color: #7f8c8d;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .dashboard-content {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-actions {
        grid-template-columns: 1fr;
    }
    
    .header-left .logo span {
        display: none;
    }
}

/* Utility classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-success { color: #27ae60; }
.text-danger { color: #e74c3c; }
.text-warning { color: #f39c12; }
.text-muted { color: #7f8c8d; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }