/* ── Design System Tokens ────────────────────────────────────────── */
:root {
    --bg-base: #0a0e17;
    --bg-surface: #121824;
    --bg-surface-elevated: #1a2336;
    --border-color: rgba(255, 255, 255, 0.08);
    
    --color-text-primary: #e2e8f0;
    --color-text-secondary: #94a3b8;
    --color-text-disabled: #475569;
    
    --color-primary: #00e5ff;
    --color-primary-hover: #00b8d4;
    --color-primary-transparent: rgba(0, 229, 255, 0.1);
    
    --color-success: #00e676;
    --color-warning: #ffb300;
    --color-danger: #ff1744;
    
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Outfit', sans-serif;
    
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.5);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.6);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

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

body {
    background-color: var(--bg-base);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* ── Layout ──────────────────────────────────────────────────────── */
.app-header {
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
    gap: 1rem;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-area h1 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--color-text-primary);
}

.badge {
    background-color: var(--color-primary-transparent);
    color: var(--color-primary);
    border: 1px solid rgba(0, 229, 255, 0.3);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
}

.pulse-indicator {
    width: 10px;
    height: 10px;
    background-color: var(--color-primary);
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(0, 229, 255, 0.7);
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(0, 229, 255, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 8px rgba(0, 229, 255, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(0, 229, 255, 0);
    }
}

/* Header Stat Strip */
.header-stat-strip {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.stat-pill.highlight {
    color: var(--color-primary);
    font-weight: 600;
}

.stat-dot {
    opacity: 0.4;
}

.status-panel {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.gpu-banner {
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

.gpu-banner.gpu-active {
    background-color: rgba(0, 230, 118, 0.12);
    color: var(--color-success);
    border: 1px solid rgba(0, 230, 118, 0.3);
}

.gpu-banner.cpu-fallback {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-text-secondary);
    border: 1px solid var(--border-color);
}

/* ── Dashboard Grid ──────────────────────────────────────────────── */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: auto auto;
    gap: 1.25rem;
    padding: 1.25rem;
    flex-grow: 1;
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
}

/* Card Styling (Glassmorphism) */
.card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: justify;
    flex-direction: column;
    gap: 0.2rem;
}

.card-header h2 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
}

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

/* Individual Panel Configurations */
.panel-leaderboard {
    grid-column: span 5;
    height: 480px;
}

.panel-chart {
    grid-column: span 7;
    height: 480px;
}

.panel-decisions {
    grid-column: span 4;
    height: 440px;
}

.panel-benchmarks {
    grid-column: span 4;
    height: 440px;
}

.panel-chat {
    grid-column: span 4;
    height: 440px;
}

/* ── Leaderboard Table ───────────────────────────────────────────── */
.table-container {
    overflow-y: auto;
    flex-grow: 1;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.85rem;
}

th {
    background-color: var(--bg-surface-elevated);
    color: var(--color-text-secondary);
    font-weight: 600;
    padding: 0.75rem 1rem;
    position: sticky;
    top: 0;
    border-bottom: 1px solid var(--border-color);
    z-index: 10;
}

td {
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

tr:hover td {
    background-color: rgba(255,255,255,0.02);
    cursor: pointer;
}

/* Status Score Classes */
.score-badge {
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 700;
    text-align: center;
    display: inline-block;
    min-width: 45px;
    font-size: 0.8rem;
}

.score-green {
    background-color: rgba(0, 230, 118, 0.12);
    color: var(--color-success);
    border: 1px solid rgba(0, 230, 118, 0.2);
}

.score-amber {
    background-color: rgba(255, 179, 0, 0.12);
    color: var(--color-warning);
    border: 1px solid rgba(255, 179, 0, 0.2);
}

.score-red {
    background-color: rgba(255, 23, 68, 0.12);
    color: var(--color-danger);
    border: 1px solid rgba(255, 23, 68, 0.2);
}

/* Trend Indicator */
.trend-up {
    color: var(--color-success);
    font-weight: 600;
}
.trend-down {
    color: var(--color-danger);
    font-weight: 600;
}
.trend-neutral {
    color: var(--color-text-secondary);
}

/* ── Timeline Chart Panel ────────────────────────────────────────── */
.header-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.dropdown {
    background-color: var(--bg-surface-elevated);
    color: var(--color-text-primary);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    outline: none;
    font-family: var(--font-body);
    font-size: 0.85rem;
}

.chart-container {
    padding: 1rem;
    flex-grow: 1;
    position: relative;
}

/* ── Decisions Panel ─────────────────────────────────────────────── */
.decisions-list {
    overflow-y: auto;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex-grow: 1;
}

.decision-item {
    background-color: var(--bg-surface-elevated);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-sm);
    padding: 0.75rem 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.decision-item.severe {
    border-left-color: var(--color-danger);
}

.decision-item.warning {
    border-left-color: var(--color-warning);
}

.decision-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    font-weight: 600;
}

.decision-title {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-text-primary);
}

.decision-action {
    font-size: 0.8rem;
    color: var(--color-primary);
}

.decision-rider-impact {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    font-style: italic;
}

/* ── Benchmark Panel ─────────────────────────────────────────────── */
.benchmark-content {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex-grow: 1;
}

.headline-stat {
    background-color: var(--bg-surface-elevated);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    text-align: center;
    border: 1px dashed rgba(255,255,255,0.06);
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0.1rem 0;
    font-family: var(--font-heading);
}

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

.chart-embed {
    flex-grow: 1;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
    min-height: 160px;
    background-color: #0d121c;
    display: flex;
    align-items: center;
    justify-content: center;
}

.speedup-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.repro-caption {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    text-align: center;
}

.code-font {
    font-family: monospace;
    background-color: var(--bg-surface-elevated);
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
    color: var(--color-text-primary);
}

/* ── Gemini Copilot Panel ────────────────────────────────────────── */
.chat-container {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    padding: 0.75rem;
    overflow: hidden;
}

.chat-messages {
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    padding-right: 0.25rem;
}

.message {
    padding: 0.6rem 0.85rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    line-height: 1.35;
    max-width: 85%;
}

.system-message {
    background-color: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    color: var(--color-text-primary);
    align-self: flex-start;
}

.user-message {
    background-color: var(--color-primary-transparent);
    border: 1px solid rgba(0, 229, 255, 0.2);
    color: var(--color-primary);
    align-self: flex-end;
}

/* Suggestion Chips */
.suggestion-chips {
    display: flex;
    gap: 0.4rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.chip {
    background-color: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    color: var(--color-text-secondary);
    padding: 0.3rem 0.6rem;
    border-radius: 12px;
    font-size: 0.7rem;
    cursor: pointer;
    font-family: var(--font-body);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.chip:hover {
    background-color: var(--color-primary-transparent);
    color: var(--color-primary);
    border-color: rgba(0, 229, 255, 0.2);
}

.chat-input-area {
    display: flex;
    gap: 0.5rem;
}

#chat-input {
    flex-grow: 1;
    background-color: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    padding: 0.6rem 0.85rem;
    font-family: var(--font-body);
    outline: none;
    font-size: 0.8rem;
}

#chat-input:focus {
    border-color: var(--color-primary);
}

.btn {
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.6rem 1rem;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font-body);
    transition: background-color var(--transition-fast);
    font-size: 0.8rem;
}

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

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

.btn-primary:disabled {
    background-color: var(--color-text-disabled);
    cursor: not-allowed;
}

/* Responsive Scaling */
@media(max-width: 1200px) {
    .panel-leaderboard, .panel-chart {
        grid-column: span 12;
        height: 400px;
    }
    .panel-decisions, .panel-benchmarks, .panel-chat {
        grid-column: span 12;
        height: 400px;
    }
}