:root {
    --primary-color: #3498db;
    --secondary-color: #2980b9;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --success-color: #2ecc71;
    --danger-color: #e74c3c;
}

* {
    box-sizing: border-box;
}
/* Profile Page Styles */
.profile-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.profile-row {
    display: flex;
    flex-wrap: wrap;
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

.profile-label {
    font-weight: bold;
    min-width: 200px;
    color: #555;
}

.profile-value {
    flex: 1;
}

/* Settings Page Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: #555;
}

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

.btn {
    padding: 0.75rem 1.5rem;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

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

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

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

.alert {
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 4px;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-danger ul {
    margin: 0;
    padding-left: 1.5rem;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
    line-height: 1.6;
}

/* Login Page Styles */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1rem;
    background-color: var(--light-color);
}

.login-box {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-box h2 {
    color: var(--dark-color);
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

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

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

.form-group input {
    width: 100%;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s;
    width: 100%;
    text-align: center;
}

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

.btn:active {
    transform: translateY(0);
}

.error-message {
    color: var(--danger-color);
    margin-bottom: 1.5rem;
    text-align: center;
    padding: 0.75rem;
    background-color: rgba(231, 76, 60, 0.1);
    border-radius: 4px;
}

/* Dashboard Styles */
.dashboard-container {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
}

.sidebar {
    width: 100%;
    background-color: var(--dark-color);
    color: white;
    transition: all 0.3s;
    position: fixed;
    top: 0;
    left: -100%;
    height: 100vh;
    z-index: 1000;
    overflow-y: auto;
    padding: 1rem 0;
}

.sidebar.active {
    left: 0;
}

.sidebar-header {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-header h3 {
    margin: 0;
    color: white;
    font-size: 1.3rem;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.sidebar-menu li {
    margin-bottom: 0.25rem;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 1rem;
    color: white;
    text-decoration: none;
    transition: all 0.3s;
    border-left: 3px solid transparent;
    font-size: 1rem;
}

.sidebar-menu a:hover, .sidebar-menu a.active {
    background-color: rgba(255, 255, 255, 0.1);
    border-left: 3px solid var(--primary-color);
}

.sidebar-menu i {
    margin-right: 1rem;
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.menu-toggle {
    display: block;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.main-content {
    flex: 1;
    padding: 1rem;
    background-color: #f9f9f9;
    margin-top: 60px; /* Space for mobile header */
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: white;
    padding: 1rem;
    z-index: 900;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.page-title {
    margin: 0;
    font-size: 1.3rem;
    color: var(--dark-color);
}

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

.user-info img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-right: 0.75rem;
}

.user-name {
    display: none; /* Hide on mobile */
}

.card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.card-header {
    border-bottom: 1px solid #eee;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    margin: 0;
    color: var(--dark-color);
    font-size: 1.2rem;
}

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

.stat-item {
    text-align: center;
    padding: 1rem;
    background-color: #f8f9fa;
    border-radius: 6px;
}

.stat-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-item h4 {
    margin: 0.5rem 0;
    font-size: 1.5rem;
    color: var(--dark-color);
}

.stat-item p {
    margin: 0;
    color: #666;
    font-size: 0.9rem;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
}

.overlay.active {
    display: block;
}

/* Tablet and Desktop Styles */
@media (min-width: 768px) {
    .dashboard-container {
        flex-direction: row;
    }
    
    .sidebar {
        width: 250px;
        left: 0;
        position: relative;
        height: auto;
    }
    
    .main-content {
        margin-top: 0;
        margin-left: 250px;
    }
    
    .header {
        position: static;
        box-shadow: none;
        margin-bottom: 1rem;
    }
    
    .mobile-header {
        display: none;
    }
    
    .user-name {
        display: inline;
    }
    
    .menu-toggle {
        display: none;
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Large Desktop Styles */
@media (min-width: 1200px) {
    .main-content {
        padding: 2rem;
    }
    
    .card {
        padding: 2rem;
    }
}