/* Custom Styling: AI Flappy Bird Neuroevolution Dashboard */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
    --bg-base: #080c14;
    --bg-surface: rgba(17, 24, 39, 0.7);
    --bg-surface-hover: rgba(28, 37, 54, 0.85);
    --border-color: rgba(255, 255, 255, 0.07);
    --border-color-glow: rgba(59, 130, 246, 0.35);
    
    --primary: #3b82f6;
    --primary-glow: rgba(59, 130, 246, 0.25);
    --accent-cyan: #06b6d4;
    --accent-magenta: #ec4899;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;
    
    --text-primary: #f3f4f6;
    --text-muted: #9ca3af;
    
    --font-family: 'Plus Jakarta Sans', sans-serif;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Dynamic canvas coloring variables */
    --bg-canvas: rgba(9, 13, 22, 0.9);
    --border-canvas: rgba(255, 255, 255, 0.05);
}

[data-theme="light"] {
    --bg-base: #f1f5f9;
    --bg-surface: rgba(255, 255, 255, 0.75);
    --bg-surface-hover: rgba(255, 255, 255, 0.92);
    --border-color: rgba(15, 23, 42, 0.08);
    --border-color-glow: rgba(37, 99, 235, 0.2);
    
    --primary: #2563eb;
    --primary-glow: rgba(37, 99, 235, 0.15);
    --accent-cyan: #0891b2;
    --accent-magenta: #db2777;
    --accent-green: #059669;
    --accent-orange: #d97706;
    
    --text-primary: #0f172a;
    --text-muted: #64748b;
    
    --bg-canvas: rgba(248, 250, 252, 0.96);
    --border-canvas: rgba(15, 23, 42, 0.08);
}

body {
    background-color: var(--bg-base);
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(236, 72, 153, 0.05) 0px, transparent 50%);
    color: var(--text-primary);
    font-family: var(--font-family);
    min-height: 100vh;
    margin: 0;
    padding: 24px 0;
    overflow-x: hidden;
}

/* Glassmorphism Cards */
.glass-panel {
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    transition: var(--transition);
}

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

/* Header typography */
h1.app-title {
    font-weight: 700;
    font-size: 2.5rem;
    letter-spacing: -0.05em;
    background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 50%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center;
    margin-bottom: 6px;
    filter: drop-shadow(0 2px 8px rgba(59, 130, 246, 0.15));
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    text-align: center;
    margin-bottom: 24px;
    font-weight: 400;
}

/* Game Canvas Styles */
#game {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
    background-color: #111827;
    margin: 0 auto;
}

/* Sidebar and Dashboard panels */
.dashboard-grid {
    display: grid;
    grid-template-columns: 542px 320px;
    gap: 24px;
    max-width: 920px;
    margin: 0 auto;
    padding: 0 16px;
    align-items: stretch;
}

.arena-card {
    display: flex;
    flex-direction: column;
    width: 542px;
    flex-shrink: 0;
}




.panel-title {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 10px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-body {
    padding: 20px;
}

/* Custom styled inputs */
.slider-group {
    margin-bottom: 18px;
}

.slider-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 6px;
    font-weight: 500;
}

.slider-value {
    color: var(--accent-cyan);
    font-weight: 600;
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    outline: none;
    transition: var(--transition);
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 8px var(--primary-glow);
    cursor: pointer;
    transition: var(--transition);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    background: var(--accent-cyan);
    box-shadow: 0 0 12px rgba(6, 182, 212, 0.6);
}

/* Speed Controls */
.speed-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.btn-speed {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-speed.active {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 12px var(--primary-glow);
}

.btn-danger-speed {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.btn-danger-speed:hover {
    background: #ef4444;
    border-color: #ef4444;
    color: white;
}

.btn-danger-speed.active {
    background: #ef4444;
    border-color: #ef4444;
    box-shadow: 0 0 12px rgba(239, 68, 68, 0.4);
    color: white;
}

/* Stats list */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 12px;
    text-align: center;
}

.stat-val {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 4px;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-highlight .stat-val {
    color: var(--accent-cyan);
    text-shadow: 0 0 8px rgba(6, 182, 212, 0.3);
}

.stat-max .stat-val {
    color: var(--accent-orange);
    text-shadow: 0 0 8px rgba(245, 158, 11, 0.3);
}

/* Visualization Panel Layout (2-column layout matching top row width) */
.visualization-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 920px;
    margin: 24px auto 0 auto;
    padding: 0 16px;
}

#game, #nn-canvas, #chart-canvas {
    display: block;
    width: 100%;
    height: auto;
    background-color: var(--bg-canvas);
    border-radius: 8px;
    border: 1px solid var(--border-canvas);
}

/* Breakpoints */
@media (max-width: 920px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
        max-width: 542px;
    }
    .visualization-layout {
        grid-template-columns: 1fr;
        max-width: 542px;
    }
}



.visualizer-canvas-container {
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 10px;
}

#nn-canvas, #chart-canvas {
    max-width: 100%;
    height: auto;
    background-color: var(--bg-canvas);
    border-radius: 8px;
    border: 1px solid var(--border-canvas);
}

/* Audio Player and Floating Controls */
.audio-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 10px 16px;
    margin-top: 16px;
}

.btn-mute {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

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

.footer {
    text-align: center;
    margin-top: 40px;
    color: var(--text-muted);
    font-size: 0.8rem;
    letter-spacing: 0.02em;
}

/* Custom Micro-animations */
@keyframes pulse-glow {
    0% { box-shadow: 0 0 5px rgba(59, 130, 246, 0.2); }
    50% { box-shadow: 0 0 15px rgba(59, 130, 246, 0.5); }
    100% { box-shadow: 0 0 5px rgba(59, 130, 246, 0.2); }
}

.pulse-glow {
    animation: pulse-glow 2s infinite;
}

/* --- Premium Light Theme Layout Overrides --- */
[data-theme="light"] body {
    background-image: 
        radial-gradient(at 0% 0%, rgba(37, 99, 235, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(219, 39, 119, 0.03) 0px, transparent 50%);
}

[data-theme="light"] .glass-panel {
    box-shadow: 0 8px 32px 0 rgba(15, 23, 42, 0.06);
}

[data-theme="light"] .glass-panel:hover {
    border-color: rgba(15, 23, 42, 0.15);
}

[data-theme="light"] .panel-title {
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

[data-theme="light"] input[type="range"] {
    background: rgba(15, 23, 42, 0.1);
}

[data-theme="light"] .btn-speed {
    background: rgba(15, 23, 42, 0.03);
    border-color: rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .btn-speed:hover {
    background: var(--primary-glow);
    border-color: var(--primary);
}

[data-theme="light"] .stat-card {
    background: rgba(15, 23, 42, 0.02);
    border-color: rgba(15, 23, 42, 0.04);
}

[data-theme="light"] .audio-controls {
    background: rgba(15, 23, 42, 0.02);
    border-color: rgba(15, 23, 42, 0.04);
}

[data-theme="light"] .visualizer-canvas-container {
    background: rgba(15, 23, 42, 0.03);
}

/* --- Floating Theme Toggle Button --- */
.theme-toggle-btn {
    position: fixed;
    top: 24px;
    right: 24px;
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle-btn:hover {
    background: var(--bg-surface-hover);
    border-color: var(--primary);
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 0 15px var(--primary-glow);
}

.theme-toggle-btn:active {
    transform: scale(0.95);
}

/* SVG Sun and Moon Morph Animations */
.sun-and-moon {
    width: 20px;
    height: 20px;
}

.sun-and-moon .sun {
    fill: var(--text-primary);
    transform-origin: center;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.sun-and-moon .sun-beams {
    stroke: var(--text-primary);
    stroke-width: 2px;
    stroke-linecap: round;
    transform-origin: center;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.sun-and-moon #moon-mask circle {
    transform-origin: center;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Transition States (Becomes Crescent Moon) */
[data-theme="light"] .sun-and-moon .sun {
    transform: scale(1.1);
}

[data-theme="light"] .sun-and-moon #moon-mask circle {
    transform: translate(-7px, -3px);
}

[data-theme="light"] .sun-and-moon .sun-beams {
    opacity: 0;
    transform: rotate(-45deg);
}

/* Dark Theme Transition States (Becomes Radiant Sun) */
[data-theme="dark"] .sun-and-moon .sun {
    transform: scale(1);
}

[data-theme="dark"] .sun-and-moon #moon-mask circle {
    transform: translate(0, 0);
}

[data-theme="dark"] .sun-and-moon .sun-beams {
    opacity: 1;
    transform: rotate(0deg);
}