:root {
    --primary-color: #2196f3;
    --primary-light: #6ec6ff;
    --primary-dark: #0069c0;
    --secondary-color: #f50057;
    --text-primary: #212121;
    --text-secondary: #757575;
    --background-color: #f5f5f5;
    --card-color: #ffffff;
    --divider-color: #e0e0e0;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #f44336;
    --info-color: #2196f3;
}

/* Base Styles */
body {
    font-family: 'Roboto', 'Segoe UI', sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

.wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.content-wrapper {
    display: flex;
    flex: 1;
}

/* Navbar Styles */
.navbar {
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.16), 0 2px 10px rgba(0, 0, 0, 0.12);
    padding: 0.5rem 1rem;
    z-index: 1030;
}

.navbar-brand {
    font-weight: 500;
    font-size: 1.25rem;
}

/* Sidebar Styles */
.sidebar {
    width: 260px;
    background-color: var(--card-color);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    height: 100%;
    position: fixed;
    top: 56px;
    left: 0;
    overflow-y: auto;
    z-index: 1020;
    transition: all 0.3s;
}

.sidebar-header {
    padding: 1rem;
    border-bottom: 1px solid var(--divider-color);
}

.logo-container {
    display: flex;
    align-items: center;
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    margin-right: 10px;
}

.sidebar-brand {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--primary-color);
}

.sidebar-user {
    padding: 1rem;
    border-bottom: 1px solid var(--divider-color);
}

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

.user-avatar {
    margin-right: 10px;
    font-size: 2rem;
    color: var(--primary-color);
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 500;
}

.user-role {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

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

.menu-header {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    padding: 0.75rem 1rem 0.5rem;
    color: var(--text-secondary);
}

.menu-item {
    margin: 0;
    position: relative;
}

.menu-item a {
    display: flex;
    align-items: center;
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    text-decoration: none;
    transition: all 0.3s;
}

.menu-item a i {
    margin-right: 10px;
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.menu-item a:hover {
    background-color: rgba(33, 150, 243, 0.1);
    color: var(--primary-color);
}

.menu-item.active a {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 20px 0 rgba(0, 0, 0, 0.14), 0 7px 10px -5px rgba(33, 150, 243, 0.4);
    border-radius: 4px;
    margin: 0 15px;
}

/* Main Content Styles */
.main-content {
    flex: 1;
    padding: 20px;
    margin-left: 260px;
    transition: all 0.3s;
}

/* Card Styles */
.card {
    background-color: var(--card-color);
    border-radius: 6px;
    box-shadow: 0 1px 4px 0 rgba(0, 0, 0, 0.14);
    margin-bottom: 30px;
    transition: all 0.3s;
}

.card:hover {
    box-shadow: 0 7px 14px rgba(50, 50, 93, 0.1), 0 3px 6px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.card-header {
    padding: 15px 20px;
    background: linear-gradient(60deg, var(--primary-light), var(--primary-color));
    color: white;
    border-radius: 6px 6px 0 0;
    box-shadow: 0 4px 20px 0 rgba(0, 0, 0, 0.14), 0 7px 10px -5px rgba(33, 150, 243, 0.4);
    position: relative;
    z-index: 3;
    margin: -20px 15px 0;
}

.card-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 400;
}

.card-body {
    padding: 20px;
}

/* Stats Card */
.stats-card {
    padding: 15px;
}

.stats-card .icon {
    float: left;
    margin-right: 15px;
    color: #999;
    font-size: 3rem;
}

.stats-card .stats-title {
    font-size: 1rem;
    font-weight: 400;
    margin: 0;
    color: var(--text-secondary);
}

.stats-card .stats-value {
    font-size: 1.5rem;
    font-weight: 500;
    margin-top: 5px;
    margin-bottom: 0;
}

.stats-card .stats-footer {
    margin-top: 20px;
    border-top: 1px solid var(--divider-color);
    padding-top: 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Table Styles */
.table-responsive {
    overflow-x: auto;
}

.table {
    width: 100%;
    margin-bottom: 0;
}

.table th {
    font-weight: 500;
    color: var(--text-secondary);
    border-top: none;
}

/* Form Styles */
.form-control {
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    padding: 10px 12px;
    transition: all 0.3s;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: none;
}

.form-label {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 8px;
}

/* Button Styles */
.btn {
    border-radius: 4px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    padding: 0.625rem 1.25rem;
    transition: all 0.15s ease;
    box-shadow: 0 4px 6px rgba(50, 50, 93, 0.11), 0 1px 3px rgba(0, 0, 0, 0.08);
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 7px 14px rgba(50, 50, 93, 0.1), 0 3px 6px rgba(0, 0, 0, 0.08);
}

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

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

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

.btn-warning {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
}

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

/* Footer Styles */
.footer {
    padding: 15px 0;
    background-color: var(--card-color);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.copyright {
    margin-bottom: 0;
}

.footer-links a {
    color: var(--primary-color);
    margin-left: 15px;
    text-decoration: none;
}

.footer-links a:hover {
    text-decoration: underline;
}

/* Responsive Adjustments */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-260px);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
}

/* Utility Classes */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-info { color: var(--info-color) !important; }

.bg-primary { background-color: var(--primary-color) !important; }
.bg-secondary { background-color: var(--secondary-color) !important; }
.bg-success { background-color: var(--success-color) !important; }
.bg-danger { background-color: var(--danger-color) !important; }
.bg-warning { background-color: var(--warning-color) !important; }
.bg-info { background-color: var(--info-color) !important; }

/* Animation */
.animate-fade-in {
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}