/* MODERN PROFESSIONAL DASHBOARD CSS */

/* Root Variables for Modern Theme */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #00c16e;
    --dark-bg: #1a1f2e;
    --dark-card: #242b3d;
    --dark-text: #e2e8f0;
    --light-bg: #f8fafc;
    --light-card: #ffffff;
    --light-text: #1f2937;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --border-radius: 16px;
    --box-shadow: 0 8px 32px rgba(0,0,0,0.12);
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Modern Dashboard Container */
.dashboard-container {
    background: linear-gradient(135deg, var(--light-bg) 0%, #f1f5f9 100%);
    min-height: 100vh;
    padding: 100px;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Modern Top Bar */
.dashboard-top {
    background: var(--light-card);
    padding: 30px 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.dashboard-top::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.dashboard-top h1 {
    margin: 0;
    font-size: 32px;
    font-weight: 700;
    color: var(--light-text);
    letter-spacing: -0.02em;
}

.dashboard-top p {
    margin: 8px 0 0;
    color: #6b7280;
    font-size: 16px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 18px;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.user-details h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--light-text);
}

.user-details p {
    margin: 0;
    font-size: 14px;
    color: #6b7280;
}

/* Modern KPI Cards Grid */
.kpi-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.kpi-card {
    background: var(--light-card);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.8);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.kpi-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}

.kpi-card:hover::before {
    transform: scaleX(1);
}

.kpi-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.kpi-title {
    margin: 0;
    font-size: 14px;
    font-weight: 500;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.kpi-value {
    margin: 0;
    font-size: 36px;
    font-weight: 700;
    color: var(--light-text);
    line-height: 1;
}

.kpi-change {
    margin: 8px 0 0;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
}

.kpi-change.positive {
    color: var(--success-color);
}

.kpi-change.negative {
    color: var(--error-color);
}

.kpi-change::before {
    content: '';
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
}

.kpi-change.positive::before {
    border-bottom: 6px solid var(--success-color);
}

.kpi-change.negative::before {
    border-top: 6px solid var(--error-color);
}

/* Progress Bar Modern */
.kpi-progress {
    width: 100%;
    height: 8px;
    background: #e5e7eb;
    border-radius: 4px;
    margin-top: 15px;
    overflow: hidden;
}

.kpi-progress-bar {
    height: 100%;
    border-radius: 4px;
    transition: width 0.8s ease;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

/* Modern Charts Section */
.charts-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 25px;
    margin-bottom: 30px;
}

.chart-card {
    background: var(--light-card);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.chart-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 36px rgba(0,0,0,0.13);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.chart-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--light-text);
}

.chart-period {
    background: #f3f4f6;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    color: #6b7280;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.chart-period:hover {
    background: #e5e7eb;
}

/* Chart Container */
.chart-container {
    height: 300px;
    position: relative;
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 10px;
    padding: 20px 0;
}

.chart-bar {
    flex: 1;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 8px 8px 0 0;
    position: relative;
    transition: var(--transition);
    cursor: pointer;
    min-height: 20px;
}

.chart-bar:hover {
    transform: scaleY(1.05);
    filter: brightness(1.1);
}

.chart-bar::after {
    content: attr(data-value);
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--light-text);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.chart-bar:hover::after {
    opacity: 1;
}

/* Modern Activity Feed */
.activity-card {
    background: var(--light-card);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 0;
    border-bottom: 1px solid #f3f4f6;
    transition: var(--transition);
}

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

.activity-item:hover {
    background: #f9fafb;
    margin: 0 -20px;
    padding: 20px;
    border-radius: 12px;
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.activity-icon.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.activity-icon.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.activity-icon.info {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
}

.activity-content h4 {
    margin: 0 0 4px;
    font-size: 15px;
    font-weight: 500;
    color: var(--light-text);
}

.activity-content p {
    margin: 0;
    font-size: 13px;
    color: #6b7280;
}

.activity-time {
    margin-left: auto;
    font-size: 12px;
    color: #9ca3af;
    white-space: nowrap;
}

/* Modern Grid Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 25px;
    margin-bottom: 30px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .charts-row {
        grid-template-columns: 1fr;
    }
    
    .kpi-row {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }
}

@media (max-width: 768px) {
    .dashboard-container {
        padding: 100px 15px 15px;
    }
    
    .dashboard-top {
        padding: 20px;
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .dashboard-top h1 {
        font-size: 24px;
    }
    
    .kpi-card {
        padding: 20px;
    }
    
    .kpi-value {
        font-size: 28px;
    }
    
    .chart-card {
        padding: 20px;
    }
    
    .chart-container {
        height: 250px;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --light-bg: var(--dark-bg);
        --light-card: var(--dark-card);
        --light-text: var(--dark-text);
    }
    
    .dashboard-container {
        background: linear-gradient(135deg, #1a1f2e 0%, #0f172a 100%);
    }
    
    .chart-period {
        background: #242b3d;
        color: #e2e8f0;
    }
    
    .chart-period:hover {
        background: #334155;
    }
    
    .activity-item:hover {
        background: #242b3d;
    }
}

/* Animation Keyframes */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.kpi-card, .chart-card, .activity-card {
    animation: fadeInUp 0.6s ease forwards;
}

.kpi-card:nth-child(2) { animation-delay: 0.1s; }
.kpi-card:nth-child(3) { animation-delay: 0.2s; }
.kpi-card:nth-child(4) { animation-delay: 0.3s; }

/* Modern Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}