:root {
    --primary: #4361ee;
    --secondary: #3f37c9;
    --success: #4cc9f0;
    --danger: #f72585;
    --warning: #f8961e;
    --info: #4895ef;
    --light: #f8f9fa;
    --dark: #212529;
    --sidebar: #2d3748;
    --sidebar-hover: #4a5568;
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f7fb;
    color: var(--dark);
    line-height: 1.6;
}

.container {
    display: flex;
    min-height: 100vh;
}

/* Login Screen Styles */
.login-container {
    display: flex;
    width: 100%;
    min-height: 100vh;
}

.login-left {
    flex: 1;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    color: white;
    text-align: center;
}

.login-left h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.login-left p {
    font-size: 1.1rem;
    max-width: 500px;
    margin-bottom: 2rem;
}

.features-list {
    text-align: left;
    max-width: 500px;
    margin-top: 2rem;
}

.features-list li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.features-list i {
    margin-right: 10px;
    color: var(--success);
}

.login-right {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    background-color: white;
}

.login-form {
    width: 100%;
    max-width: 400px;
}

.login-form h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    width: 100%;
}

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

.login-footer {
    margin-top: 2rem;
    text-align: center;
    color: #6c757d;
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
}

.alert-error {
    background-color: #fed7d7;
    color: #c53030;
    border: 1px solid #feb2b2;
}

.alert-success {
    background-color: #c6f6d5;
    color: #276749;
    border: 1px solid #9ae6b4;
}

/* Dashboard Styles */
.dashboard-container {
    width: 100%;
}

/* Sidebar Styles */
.sidebar {
    width: 250px;
    background-color: var(--sidebar);
    color: white;
    height: 100vh;
    position: fixed;
    overflow-y: auto;
    transition: var(--transition);
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
}

.sidebar-header h2 {
    font-size: 1.5rem;
    margin-left: 10px;
}

.sidebar-menu {
    padding: 1rem 0;
}

.menu-item {
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    color: #cbd5e0;
    text-decoration: none;
    transition: var(--transition);
}

.menu-item:hover, .menu-item.active {
    background-color: var(--sidebar-hover);
    color: white;
}

.menu-item i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.menu-divider {
    height: 1px;
    background-color: rgba(255, 255, 255, 0.1);
    margin: 1rem 0;
}

/* Main Content Styles */
.main-content {
    flex: 1;
    margin-left: 250px;
    padding: 1.5rem;
    transition: var(--transition);
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e2e8f0;
}

.header h1 {
    font-size: 1.8rem;
    color: var(--dark);
}

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

.user-info img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-right: 10px;
}

/* Dashboard Cards */
.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.card {
    background-color: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1rem;
    color: #6c757d;
    font-weight: 500;
}

.card-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.card-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.card-change {
    font-size: 0.9rem;
    display: flex;
    align-items: center;
}

.positive {
    color: #10b981;
}

.negative {
    color: #ef4444;
}

/* Recent Activity */
.recent-activity {
    background-color: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    margin-bottom: 2rem;
}

.section-title {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.activity-list {
    list-style: none;
}

.activity-item {
    display: flex;
    padding: 1rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    color: white;
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.activity-time {
    font-size: 0.85rem;
    color: #6c757d;
}

/* Quick Actions */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.action-btn {
    background-color: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--dark);
    transition: var(--transition);
}

.action-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    color: var(--primary);
}

.action-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    color: white;
}

/* Table Styles */
.table-container {
    background-color: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    margin-bottom: 2rem;
    overflow-x: auto;
}

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

.data-table th,
.data-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

.data-table th {
    background-color: #f8fafc;
    font-weight: 600;
    color: #4a5568;
}

.data-table tr:hover {
    background-color: #f7fafc;
}

/* Form Styles */
.form-container {
    background-color: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    margin-bottom: 2rem;
}

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

/* Responsive Design */
@media (max-width: 992px) {
    .login-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 70px;
    }
    
    .sidebar-header h2, .menu-item span {
        display: none;
    }
    
    .main-content {
        margin-left: 70px;
    }
    
    .menu-item {
        justify-content: center;
        padding: 1rem;
    }
    
    .menu-item i {
        margin-right: 0;
        font-size: 1.2rem;
    }
}

@media (max-width: 768px) {
    .dashboard-cards {
        grid-template-columns: 1fr;
    }
    
    .quick-actions {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}