/* Enhanced Card Components */
.card {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    overflow: hidden;
    background: white;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--light) 100%);
    border-bottom: 1px solid var(--medium-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
}

.card-header h5,
.card-header h6 {
    margin: 0;
    color: var(--primary);
    font-weight: 600;
}

.card-body {
    padding: var(--spacing-lg);
}

/* Stat Cards */
.stat-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(30px, -30px);
}

.stat-card.success {
    background: linear-gradient(135deg, var(--success) 0%, var(--success-dark) 100%);
}

.stat-card.warning {
    background: linear-gradient(135deg, var(--warning) 0%, var(--warning-dark) 100%);
}

.stat-card.info {
    background: linear-gradient(135deg, var(--info) 0%, var(--info-dark) 100%);
}

.stat-card .card-header {
    background: none;
    border-bottom: none;
    padding: 0 0 var(--spacing-md) 0;
}

.stat-card .card-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin: 0;
    color: white !important;
}

.stat-card .card-text {
    opacity: 0.9;
    margin: 0;
    color: rgba(255, 255, 255, 0.9) !important;
}

.stat-card .card-text i {
    color: rgba(255, 255, 255, 0.8);
}

.stat-card small {
    color: rgba(255, 255, 255, 0.7) !important;
}

/* Info Cards */
.info-card {
    border-left: 4px solid var(--secondary);
    background: linear-gradient(135deg, rgba(22, 160, 133, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
}

/* Alert Cards */
.alert-card {
    border-left: 4px solid var(--warning);
    background: linear-gradient(135deg, rgba(243, 156, 18, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
}

/* Modern Button Styles */
.btn {
    border-radius: var(--radius-md);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-lg);
    transition: all 0.3s ease;
    border: none;
    text-transform: none;
    letter-spacing: 0.5px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    color: white;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary) 100%);
}

.btn-outline-primary {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--primary);
    color: white;
}

.btn-outline-secondary {
    border: 2px solid var(--secondary);
    color: var(--secondary);
    background: transparent;
}

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

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

/* Button Groups */
.btn-group {
    gap: var(--spacing-xs);
}

.btn-group .btn {
    border-radius: var(--radius-md);
    margin: 0;
}

.btn-group .btn:first-child {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.btn-group .btn:last-child {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.btn-group .btn:not(:first-child):not(:last-child) {
    border-radius: 0;
}

/* Badge Styles */
.badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge.bg-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.badge.bg-success {
    background: linear-gradient(135deg, var(--success) 0%, var(--success-dark) 100%);
}

.badge.bg-warning {
    background: linear-gradient(135deg, var(--warning) 0%, var(--warning-dark) 100%);
}

.badge.bg-danger {
    background: linear-gradient(135deg, var(--danger) 0%, var(--danger-dark) 100%);
}

.badge.bg-info {
    background: linear-gradient(135deg, var(--info) 0%, var(--info-dark) 100%);
}

/* Status Badges */
.status-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.completed {
    background-color: rgba(39, 174, 96, 0.1);
    color: var(--success);
}

.status-badge.in-progress {
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--info);
}

.status-badge.failed {
    background-color: rgba(231, 76, 60, 0.1);
    color: var(--danger);
}

/* Alert Styles */
.alert {
    border: none;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.alert-primary {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(52, 152, 219, 0.05) 100%);
    color: var(--primary-dark);
}

.alert-success {
    background: linear-gradient(135deg, rgba(39, 174, 96, 0.1) 0%, rgba(39, 174, 96, 0.05) 100%);
    color: var(--success-dark);
}

.alert-warning {
    background: linear-gradient(135deg, rgba(243, 156, 18, 0.1) 0%, rgba(243, 156, 18, 0.05) 100%);
    color: var(--warning-dark);
}

.alert-danger {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.1) 0%, rgba(231, 76, 60, 0.05) 100%);
    color: var(--danger-dark);
}

.alert .alert-link {
    color: inherit;
    font-weight: 600;
    text-decoration: underline;
}

/* List Groups */
.list-group {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.list-group-item {
    border: none;
    border-bottom: 1px solid var(--light-gray);
    padding: var(--spacing-md) var(--spacing-lg);
    transition: all 0.2s ease;
}

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

.list-group-item:hover {
    background-color: rgba(22, 160, 133, 0.05);
    transform: translateX(4px);
}

.list-group-item.active {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    color: white;
    border: none;
}

/* Progress Bars */
.progress {
    height: 8px;
    border-radius: var(--radius-md);
    background-color: var(--light-gray);
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-md);
    transition: width 0.6s ease;
}

.progress-bar.bg-success {
    background: linear-gradient(135deg, var(--success) 0%, var(--success-dark) 100%);
}

.progress-bar.bg-warning {
    background: linear-gradient(135deg, var(--warning) 0%, var(--warning-dark) 100%);
}

.progress-bar.bg-danger {
    background: linear-gradient(135deg, var(--danger) 0%, var(--danger-dark) 100%);
}

/* Code Styling */
code {
    background-color: var(--light-gray);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    color: var(--primary-dark);
}

pre {
    background-color: var(--light-gray);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    overflow-x: auto;
}

/* Loading Spinner */
.spinner-border {
    width: 1rem;
    height: 1rem;
    border-width: 2px;
}

.spinner-border.text-primary {
    border-color: rgba(255, 255, 255, 0.3);
    border-top-color: white;
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--dark-gray);
}

.empty-state i {
    font-size: 4rem;
    color: var(--medium-gray);
    margin-bottom: var(--spacing-lg);
}

.empty-state h3 {
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    color: var(--dark-gray);
    opacity: 0.8;
}