/* CSS Design System for Pascube Benchmark Dashboard */

:root {
    --bg-color: #0b0f19;
    --card-bg: rgba(22, 28, 45, 0.65);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-hover-border: rgba(99, 102, 241, 0.4);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    /* Accents */
    --primary: #6366f1; /* Indigo */
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --success: #10b981; /* Emerald */
    --warning: #f59e0b; /* Amber */
    --info: #0ea5e9; /* Sky */
    
    /* Font Families */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', Courier, monospace;
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-glow: 0 0 15px rgba(99, 102, 241, 0.25);
}

/* Reset & Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.5;
    background-image: 
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(168, 85, 247, 0.12) 0px, transparent 50%),
        radial-gradient(at 50% 100%, rgba(14, 165, 233, 0.08) 0px, transparent 50%);
    background-attachment: fixed;
    min-height: 100vh;
    padding-bottom: 2rem;
}

.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Header */
.main-header {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 16px;
    padding: 1.5rem 2rem;
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-glow);
}

.logo-area h1 {
    font-size: 1.75rem;
    line-height: 1.2;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.1rem;
}

.header-actions {
    display: flex;
    gap: 0.75rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.25rem;
    border-radius: 10px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid transparent;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
    opacity: 0.95;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn i {
    width: 16px;
    height: 16px;
}

/* Stats Section */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--card-hover-border);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon i {
    width: 24px;
    height: 24px;
    color: white;
}

.cpu-icon { background: rgba(99, 102, 241, 0.15); border: 1px solid rgba(99, 102, 241, 0.3); }
.cpu-icon i { color: #818cf8; }

.cpu-multi-icon { background: rgba(168, 85, 247, 0.15); border: 1px solid rgba(168, 85, 247, 0.3); }
.cpu-multi-icon i { color: #c084fc; }

.gpu-icon { background: rgba(14, 165, 233, 0.15); border: 1px solid rgba(14, 165, 233, 0.3); }
.gpu-icon i { color: #38bdf8; }

.runs-icon { background: rgba(16, 185, 129, 0.15); border: 1px solid rgba(16, 185, 129, 0.3); }
.runs-icon i { color: #34d399; }

.stat-info {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.stat-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0.25rem 0 0.1rem;
    font-family: var(--font-heading);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.stat-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Charts Section */
.charts-section {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.chart-container-wrapper {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    transition: var(--transition-normal);
}

.chart-container-wrapper:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

.full-width-chart {
    grid-column: span 2;
}

.chart-header h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
}

.chart-header p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.chart-canvas-area {
    position: relative;
    width: 100%;
    height: 320px;
}

/* Custom scrollbar overlay for interactive scrolling charts */
.chart-scroll-overlay {
    position: absolute;
    top: 0;
    right: 0;
    width: 6px;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 10;
}
.chart-scroll-overlay::-webkit-scrollbar {
    width: 6px;
}
.chart-scroll-overlay::-webkit-scrollbar-track {
    background: transparent;
}
.chart-scroll-overlay::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 3px;
}
.chart-scroll-overlay::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Demographics Section */
.demographics-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1rem;
}

.section-header {
    margin-bottom: 0.5rem;
}

.section-header h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.section-header p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.usage-charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.distribution-charts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.memory-charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.donut-chart-canvas {
    height: 240px;
}

/* Advanced Metrics Section */
.advanced-charts-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1rem;
}

.advanced-averages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.advanced-density-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 1.5rem;
}

/* Mobile Devices Section */
.mobile-charts-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1rem;
}

.mobile-overview-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1.5rem;
}

.mobile-performance-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.mobile-distribution-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

/* Leaderboard Table Section */
.leaderboard-section {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.leaderboard-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.title-block h2 {
    font-size: 1.5rem;
}

.title-block p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.filters-block {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.search-wrapper, .select-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon, .filter-icon {
    position: absolute;
    left: 1rem;
    width: 16px;
    height: 16px;
    color: var(--text-secondary);
    pointer-events: none;
}

#search-input {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 0.65rem 1rem 0.65rem 2.5rem;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    width: 260px;
    outline: none;
    transition: var(--transition-fast);
}

#search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
    width: 300px;
}

#os-filter {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 0.65rem 2.5rem 0.65rem 2.5rem;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    transition: var(--transition-fast);
    width: 220px;
}

#os-filter:focus {
    border-color: var(--primary);
}

/* Custom indicator for select */
.select-wrapper::after {
    content: '';
    position: absolute;
    right: 1rem;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid var(--text-secondary);
    pointer-events: none;
}

/* Table Card */
.table-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.table-responsive {
    overflow-x: auto;
    width: 100%;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.8rem;
}

th {
    background: rgba(15, 23, 42, 0.4);
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 0.7rem 0.6rem;
    border-bottom: 1px solid var(--card-border);
    user-select: none;
    white-space: nowrap;
}

th.sortable {
    cursor: pointer;
    transition: var(--transition-fast);
}

th.sortable:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}

th i {
    display: inline-block;
    vertical-align: middle;
    width: 14px;
    height: 14px;
    margin-left: 0.25rem;
    opacity: 0.6;
}

th.sorted-asc, th.sorted-desc {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

th.sorted-asc i, th.sorted-desc i {
    opacity: 1;
}

td {
    padding: 0.55rem 0.6rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    white-space: nowrap;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* Special Highlighting inside table */
.score-cell {
    font-family: var(--font-heading);
    font-weight: 700;
}

.score-cell.main {
    color: #c084fc; /* Purple accent */
}

.score-cell.secondary {
    color: var(--text-primary);
}

.rank-cell {
    font-weight: 600;
    color: var(--text-secondary);
    width: 55px;
}

tr:nth-child(1) .rank-cell { color: #fbbf24; font-size: 0.95rem; font-weight: 800; } /* Gold */
tr:nth-child(2) .rank-cell { color: #94a3b8; font-size: 0.9rem; font-weight: 800; } /* Silver */
tr:nth-child(3) .rank-cell { color: #b45309; font-size: 0.85rem; font-weight: 800; } /* Bronze */

.nd-cell {
    color: var(--text-muted);
    font-style: italic;
}

/* Loading & Empty States */
.loading-state {
    text-align: center;
    padding: 4rem 2rem;
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid rgba(99, 102, 241, 0.1);
    border-top-color: var(--primary);
    border-radius: 50%;
    margin: 0 auto 1rem;
    animation: spin 1s linear infinite;
}

.loading-state p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Animations */
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Footer */
.main-footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--card-border);
    margin-top: 1rem;
}

/* Responsive Rules */
@media (max-width: 1024px) {
    .charts-section {
        grid-template-columns: 1fr;
    }
    .full-width-chart {
        grid-column: span 1;
    }
    .usage-charts-grid {
        grid-template-columns: 1fr;
    }
    .memory-charts-grid {
        grid-template-columns: 1fr;
    }
    .distribution-charts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .advanced-averages-grid {
        grid-template-columns: 1fr;
    }
    .advanced-density-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .histogram-chart {
        grid-column: span 2;
    }
    .mobile-overview-grid {
        grid-template-columns: 1fr;
    }
    .mobile-performance-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .mobile-performance-grid .chart-container-wrapper:nth-child(3) {
        grid-column: span 2;
    }
    .mobile-distribution-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 14px;
    }
    .app-container {
        padding: 1rem;
    }
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    .header-actions {
        width: 100%;
    }
    .header-actions .btn {
        flex: 1;
        justify-content: center;
    }
    .leaderboard-header {
        flex-direction: column;
        align-items: stretch;
    }
    .filters-block {
        flex-direction: column;
    }
    #search-input, #os-filter {
        width: 100%;
    }
    #search-input:focus {
        width: 100%;
    }
    .distribution-charts-grid {
        grid-template-columns: 1fr;
    }
    .advanced-averages-grid {
        grid-template-columns: 1fr;
    }
    .advanced-density-grid {
        grid-template-columns: 1fr;
    }
    .histogram-chart {
        grid-column: span 1;
    }
    .mobile-performance-grid {
        grid-template-columns: 1fr;
    }
    .mobile-performance-grid .chart-container-wrapper:nth-child(3) {
        grid-column: span 1;
    }
}

/* Client ID Badge styling */
.client-id-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    padding: 0.2rem 0.45rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    user-select: none;
}

.client-id-badge:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.3);
    color: var(--text-primary);
}

.client-id-badge .copy-icon {
    width: 11px;
    height: 11px;
    opacity: 0.5;
    transition: opacity 0.2s ease;
}

.client-id-badge:hover .copy-icon {
    opacity: 0.9;
}

/* Copied feedback state */
.client-id-badge.copied {
    background: rgba(16, 185, 129, 0.15) !important;
    border-color: rgba(16, 185, 129, 0.4) !important;
    color: #10b981 !important;
}