/* Enhanced Professional Dashboard Styles */

/* Dashboard Body Background */
body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* Header Enhancements */
header {
    background: rgb(52 21 223 / 95%);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.refresh-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.875rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    position: relative;
    overflow: hidden;
}

.refresh-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s;
}

.refresh-btn:hover::before {
    left: 100%;
}

.refresh-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
}

.refresh-btn.loading {
    opacity: 0.8;
    cursor: not-allowed;
    animation: pulse 2s infinite;
}

.refresh-btn.loading i {
    animation: spin 1s linear infinite;
}

.last-updated {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.9);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 8px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Content Area Enhancement */
.content-area {
    background: transparent;
    padding: var(--spacing-xl);
}

/* Enhanced KPI Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.kpi-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: var(--spacing-xl);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #667eea, #764ba2, #f093fb, #f5576c);
    background-size: 300% 100%;
    animation: gradientShift 3s ease infinite;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.kpi-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.kpi-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.kpi-card:hover::before,
.kpi-card:hover::after {
    opacity: 1;
}

.kpi-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    background: linear-gradient(135deg, #667eea, #764ba2);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
    position: relative;
    overflow: hidden;
}

.kpi-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}

/* Specific KPI Card Colors */
.kpi-card:nth-child(1) .kpi-icon {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.kpi-card:nth-child(2) .kpi-icon {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.kpi-card:nth-child(3) .kpi-icon {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
}

.kpi-card:nth-child(4) .kpi-icon {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
}

.kpi-content {
    flex: 1;
}

.kpi-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    line-height: 1;
}

.kpi-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.kpi-trend {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.75rem;
    font-weight: 600;
}

.kpi-trend.positive {
    color: #10b981;
}

.kpi-trend.negative {
    color: #ef4444;
}

.kpi-trend.neutral {
    color: var(--text-secondary);
}

/* Loading Skeleton */
.loading-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 4px;
    display: inline-block;
    width: 60px;
    height: 1em;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* Enhanced Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.chart-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: var(--spacing-xl);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.chart-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.02), rgba(118, 75, 162, 0.02));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.chart-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.chart-card:hover::before {
    opacity: 1;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.chart-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.chart-actions select {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: white;
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.chart-actions select:hover {
    border-color: var(--primary-color);
}

.chart-actions select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

/* Enhanced Dashboard Bottom Section */
.dashboard-bottom {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.quick-actions-card,
.recent-activity-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: var(--spacing-xl);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.quick-actions-card::before,
.recent-activity-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.02), rgba(118, 75, 162, 0.02));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.quick-actions-card:hover,
.recent-activity-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.quick-actions-card:hover::before,
.recent-activity-card:hover::before {
    opacity: 1;
}

.quick-actions-card h3,
.recent-activity-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-lg) 0;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

/* Enhanced Quick Actions */
.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.quick-action-btn {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(248, 250, 252, 0.9));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 16px;
    padding: var(--spacing-xl);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
}

.quick-action-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #667eea, #764ba2);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.quick-action-btn:hover::before {
    opacity: 1;
}

.quick-action-btn:hover {
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 30px rgba(102, 126, 234, 0.4);
}

.quick-action-btn i {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
    position: relative;
    z-index: 2;
    transition: transform 0.4s ease;
}

.quick-action-btn:hover i {
    transform: scale(1.1) rotate(5deg);
}

.quick-action-btn span {
    font-size: 0.875rem;
    font-weight: 600;
    text-align: center;
    position: relative;
    z-index: 2;
}

/* Individual Quick Action Colors */
.quick-action-btn:nth-child(1):hover::before {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.quick-action-btn:nth-child(2):hover::before {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.quick-action-btn:nth-child(3):hover::before {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
}

.quick-action-btn:nth-child(4):hover::before {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
}

/* Recent Activity */
.activity-list {
    max-height: 400px;
    overflow-y: auto;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: 8px;
    margin-bottom: var(--spacing-sm);
    transition: all 0.2s ease;
    cursor: pointer;
}

.activity-item:hover {
    background: #f8fafc;
}

.activity-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    color: white;
    flex-shrink: 0;
}

.activity-icon.student {
    background: #10b981;
}

.activity-icon.payment {
    background: #3b82f6;
}

.activity-icon.enquiry {
    background: #f59e0b;
}

.activity-icon.certificate {
    background: #8b5cf6;
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
}

.activity-description {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.activity-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.activity-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.activity-empty {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.activity-empty i {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

/* Enhanced Animations */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }

    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* Staggered Animations */
.kpi-card {
    animation: fadeInUp 0.8s ease-out;
}

.kpi-card:nth-child(1) {
    animation-delay: 0.1s;
}

.kpi-card:nth-child(2) {
    animation-delay: 0.2s;
}

.kpi-card:nth-child(3) {
    animation-delay: 0.3s;
}

.kpi-card:nth-child(4) {
    animation-delay: 0.4s;
}

.chart-card {
    animation: slideInLeft 0.8s ease-out;
}

.chart-card:nth-child(1) {
    animation-delay: 0.5s;
}

.chart-card:nth-child(2) {
    animation-delay: 0.6s;
}

.quick-actions-card {
    animation: slideInLeft 0.8s ease-out;
    animation-delay: 0.7s;
}

.recent-activity-card {
    animation: slideInRight 0.8s ease-out;
    animation-delay: 0.8s;
}

/* Floating Animation for Icons */
.kpi-icon {
    animation: float 6s ease-in-out infinite;
}

.kpi-icon:nth-child(1) {
    animation-delay: 0s;
}

.kpi-icon:nth-child(2) {
    animation-delay: 1.5s;
}

.kpi-icon:nth-child(3) {
    animation-delay: 3s;
}

.kpi-icon:nth-child(4) {
    animation-delay: 4.5s;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .header-actions {
        gap: var(--spacing-sm);
    }

    .last-updated {
        display: none;
    }

    .kpi-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .charts-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .dashboard-bottom {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .quick-actions-grid {
        grid-template-columns: 1fr;
    }

    .chart-container {
        height: 250px;
    }
}

@media (max-width: 480px) {
    .kpi-card {
        padding: var(--spacing-md);
    }

    .kpi-icon {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
    }

    .kpi-value {
        font-size: 1.5rem;
    }

    .chart-card,
    .quick-actions-card,
    .recent-activity-card {
        padding: var(--spacing-md);
    }
}