/* Ricochet Robots: Neon Grid - Professional Cyberpunk Color Palette */
:root {
    /* Core Dark Background Colors */
    --primary-dark: #0a0e1a;
    --primary-darker: #020617;
    --surface-dark: #0f172a;
    --surface-panel: #0f172a;
    --surface-lighter: #1e293b;
    
    /* Neon Accent Colors */
    --neon-cyan: #00d4ff;
    --neon-magenta: #d946ef;
    --neon-amber: #ffab00;
    --neon-green: #00ff88;
    --electric-white: #ffffff;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #e2e8f0;
    --text-muted: #94a3b8;
    --text-accent: #00d4ff;
    
    /* Glow Effects */
    --glow-cyan: rgba(0, 212, 255, 0.5);
    --glow-magenta: rgba(217, 70, 239, 0.5);
    --glow-amber: rgba(255, 171, 0, 0.5);
    --glow-green: rgba(0, 255, 136, 0.5);
    
    /* Professional Gradients */
    --gradient-cyber: linear-gradient(135deg, #00d4ff 0%, #d946ef 100%);
    --gradient-amber: linear-gradient(135deg, #ffab00 0%, #ff8500 100%);
    --gradient-portal: linear-gradient(135deg, #00d4ff 0%, #ffffff 50%, #00d4ff 100%);
    --gradient-success: linear-gradient(135deg, #00ff88 0%, #00d4ff 100%);
    
    /* Glassmorphism Effects */
    --glass-bg: rgba(15, 23, 42, 0.1);
    --glass-border: rgba(0, 212, 255, 0.2);
    --glass-glow: 0 0 20px rgba(0, 212, 255, 0.1);
    
    /* Professional Shadows */
    --shadow-intense: 0 25px 50px rgba(0, 0, 0, 0.8);
    --shadow-glow-cyan: 0 0 30px rgba(0, 212, 255, 0.4);
    --shadow-glow-magenta: 0 0 30px rgba(217, 70, 239, 0.4);
    
    /* Border Effects */
    --border-glow: 1px solid rgba(0, 212, 255, 0.5);
    --border-active: 2px solid var(--neon-cyan);
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Exo 2', 'Segoe UI', system-ui, sans-serif;
    background: var(--primary-darker);
    color: var(--text-primary);
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* Professional Cyberpunk Background */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(217, 70, 239, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 40% 80%, rgba(0, 255, 136, 0.06) 0%, transparent 50%),
        linear-gradient(180deg, var(--primary-darker) 0%, var(--surface-dark) 100%);
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--neon-cyan) 0.5px, transparent 0.5px),
        linear-gradient(90deg, var(--neon-cyan) 0.5px, transparent 0.5px);
    background-size: 60px 60px;
    opacity: 0.1;
    animation: gridPulse 8s ease-in-out infinite;
}

@keyframes gridPulse {
    0%, 100% { opacity: 0.1; }
    50% { opacity: 0.2; }
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--neon-cyan);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--neon-cyan);
    animation: digitalFloat var(--duration, 25s) linear infinite;
    animation-delay: var(--delay, 0s);
}

.particle:nth-child(1) { left: 15%; top: 25%; background: var(--neon-cyan); }
.particle:nth-child(2) { left: 75%; top: 55%; background: var(--neon-magenta); }
.particle:nth-child(3) { left: 45%; top: 75%; background: var(--neon-green); }
.particle:nth-child(4) { left: 25%; top: 45%; background: var(--neon-amber); }

@keyframes digitalFloat {
    0% { 
        transform: translateY(0) translateX(0) scale(0.5); 
        opacity: 0; 
    }
    5% { 
        opacity: 1; 
        transform: scale(1);
    }
    95% { 
        opacity: 1; 
        transform: scale(1);
    }
    100% { 
        transform: translateY(-100vh) translateX(20px) scale(0.5); 
        opacity: 0; 
    }
}

/* Main layout */
.game-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

/* Header */
.game-header {
    background: rgba(15, 23, 42, 0.2);
    backdrop-filter: blur(20px);
    border-bottom: var(--border-glow);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--glass-glow);
}

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

.logo-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--neon-cyan);
    border-radius: 8px;
    background: rgba(0, 212, 255, 0.1);
    animation: cyberPulse 3s ease-in-out infinite;
}

.cyber-logo {
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    font-weight: 900;
    color: var(--neon-cyan);
    text-shadow: 0 0 10px var(--neon-cyan);
}

@keyframes cyberPulse {
    0%, 100% { 
        box-shadow: 0 0 10px var(--glow-cyan);
        border-color: var(--neon-cyan);
    }
    50% { 
        box-shadow: 0 0 20px var(--glow-cyan);
        border-color: var(--electric-white);
    }
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    font-weight: 900;
    background: var(--gradient-cyber);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 3px;
    margin: 0;
}

.logo-subtitle {
    font-family: 'Orbitron', monospace;
    font-size: 0.8rem;
    color: var(--neon-cyan);
    letter-spacing: 4px;
    margin-left: 2px;
    opacity: 0.8;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.difficulty-selector-header {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.difficulty-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.difficulty-dropdown-modern {
    background: rgba(15, 23, 42, 0.6);
    border: var(--glass-border);
    border-radius: 6px;
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    font-family: 'Orbitron', monospace;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 140px;
    letter-spacing: 1px;
    backdrop-filter: blur(10px);
}

.difficulty-dropdown-modern:hover {
    background: rgba(15, 23, 42, 0.8);
    box-shadow: var(--shadow-glow-cyan);
    border-color: var(--neon-cyan);
    transform: translateY(-1px);
}

.difficulty-dropdown-modern:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--glow-cyan);
    border-color: var(--neon-cyan);
}

/* Game container */
.game-container {
    flex: 1;
    display: flex;
    gap: 2rem;
    padding: 2rem;
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
}

/* Board section */
.board-section {
    flex: 1;
    min-width: 0;
}

.board-wrapper {
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    border: var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--glass-glow);
    height: fit-content;
    position: relative;
    overflow: hidden;
}

.board-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    opacity: 0.6;
}

.board-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.board-title {
    font-family: 'Orbitron', monospace;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 2px;
}

.status-indicator {
    background: var(--gradient-success);
    color: var(--primary-dark);
    padding: 0.5rem 1rem;
    border-radius: 15px;
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    font-size: 0.7rem;
    letter-spacing: 2px;
    animation: statusPulse 3s ease-in-out infinite;
    border: 1px solid var(--neon-green);
}

@keyframes statusPulse {
    0%, 100% { 
        box-shadow: 0 0 15px var(--glow-green);
        transform: scale(1);
    }
    50% { 
        box-shadow: 0 0 25px var(--glow-green);
        transform: scale(1.02);
    }
}

.canvas-container {
    position: relative;
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

#gameCanvas {
    background: 
        radial-gradient(circle at 25% 25%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        linear-gradient(145deg, var(--surface-dark), var(--surface-lighter));
    border: 2px solid var(--neon-cyan);
    border-radius: 12px;
    box-shadow: 
        var(--shadow-intense),
        0 0 40px rgba(0, 212, 255, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

#gameCanvas:hover {
    box-shadow: 
        var(--shadow-intense),
        var(--shadow-glow-cyan),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border-color: var(--electric-white);
}

.canvas-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    border-radius: 15px;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(0, 212, 255, 0.1) 50%,
        transparent 70%
    );
    animation: scanline 3s linear infinite;
}

@keyframes scanline {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Board controls */
.board-controls {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.control-btn {
    background: rgba(30, 41, 59, 0.95);
    border: var(--border-glow);
    border-radius: 12px;
    color: var(--text-primary);
    padding: 1rem 1.5rem;
    font-family: 'Exo 2', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 140px;
    justify-content: center;
    backdrop-filter: blur(15px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.control-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

.control-btn.primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: 2px solid var(--neon-cyan);
    color: var(--text-primary);
}

.control-btn.primary:hover {
    box-shadow: 0 10px 25px var(--glow-cyan);
    border-color: var(--electric-white);
}

.control-btn.secondary {
    background: linear-gradient(135deg, #ffab00 0%, #ff8500 100%);
    border: 2px solid var(--neon-amber);
    color: var(--primary-dark);
}

.control-btn.secondary:hover {
    box-shadow: 0 10px 25px var(--glow-amber);
}

.control-btn.accent {
    background: linear-gradient(135deg, #00ff88 0%, #00d4ff 100%);
    border: 2px solid var(--neon-green);
    color: var(--primary-dark);
}

.control-btn.accent:hover {
    box-shadow: 0 10px 25px var(--glow-green);
}

.btn-icon {
    font-size: 1.2rem;
}

/* Info panel */
.info-panel {
    width: 400px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Stats dashboard */
.stats-dashboard {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.stat-card {
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(20px);
    border: var(--border-glow);
    border-radius: 15px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.stat-icon {
    font-size: 2rem;
    animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-bottom: 0.25rem;
}

.stat-value {
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-blue);
}

/* Panel styles */
.mission-panel, .instructions-panel, .legend-panel {
    background: rgba(30, 41, 59, 0.4);
    backdrop-filter: blur(20px);
    border: var(--border-glow);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.panel-title {
    font-family: 'Orbitron', monospace;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: 1px;
}

.title-icon {
    font-size: 1.2rem;
}

/* Mission objectives */
.objective-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.objective-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(51, 65, 85, 0.3);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.objective-item:hover {
    background: rgba(51, 65, 85, 0.5);
    border-color: var(--accent-blue);
}

.objective-icon {
    font-size: 1.5rem;
    width: 40px;
    text-align: center;
}

.objective-icon.amber { filter: hue-rotate(45deg); }
.objective-icon.violet { filter: hue-rotate(260deg); }
.objective-icon.goal { filter: hue-rotate(0deg); }

.objective-text {
    flex: 1;
}

.objective-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.objective-status {
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    background: rgba(148, 163, 184, 0.2);
    color: var(--text-muted);
    display: inline-block;
    letter-spacing: 0.5px;
}

.objective-status.completed {
    background: var(--gradient-success);
    color: var(--primary-dark);
}

.objective-status.locked {
    background: rgba(255, 71, 87, 0.2);
    color: var(--danger);
}

/* Game Rules */
.game-rules {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.rule-section {
    padding: 1rem;
    background: rgba(51, 65, 85, 0.3);
    border-radius: 8px;
    border-left: 3px solid var(--neon-cyan);
    transition: all 0.3s ease;
}

.rule-section:hover {
    background: rgba(51, 65, 85, 0.5);
    border-left-color: var(--electric-white);
}

.rule-title {
    font-family: 'Orbitron', monospace;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--neon-cyan);
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
}

.rule-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin: 0;
}

/* Legend grid */
.legend-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.legend-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0.75rem;
    background: rgba(51, 65, 85, 0.3);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.legend-item:hover {
    background: rgba(51, 65, 85, 0.5);
    transform: scale(1.05);
}

.legend-symbol {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.legend-name {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Victory overlay */
.victory-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: victoryFadeIn 0.5s ease-out;
}

.victory-overlay.hidden {
    display: none;
}

@keyframes victoryFadeIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.victory-container {
    position: relative;
    text-align: center;
}

.victory-animation {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
}

.victory-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--accent-blue), transparent 70%);
    border-radius: 50%;
    animation: victoryParticles 2s ease-out infinite;
}

.victory-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--glow-blue), transparent 60%);
    border-radius: 50%;
    animation: victoryGlow 1.5s ease-in-out infinite alternate;
}

@keyframes victoryParticles {
    0% { transform: scale(0) rotate(0deg); opacity: 1; }
    100% { transform: scale(2) rotate(360deg); opacity: 0; }
}

@keyframes victoryGlow {
    0% { transform: scale(0.8); }
    100% { transform: scale(1.2); }
}

.victory-content {
    background: rgba(30, 41, 59, 0.9);
    backdrop-filter: blur(20px);
    border: var(--border-glow);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--shadow-intense);
    position: relative;
    z-index: 10;
    min-width: 400px;
}

.victory-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: victoryBounce 1s ease-in-out infinite;
}

@keyframes victoryBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.victory-title {
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    font-weight: 900;
    background: var(--gradient-success);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    letter-spacing: 2px;
}

.victory-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.victory-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.victory-stat {
    background: rgba(51, 65, 85, 0.5);
    padding: 1rem;
    border-radius: 10px;
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.victory-stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.victory-stat-value {
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-blue);
}

.victory-button {
    background: var(--gradient-primary);
    border: none;
    border-radius: 12px;
    color: var(--text-primary);
    padding: 1rem 2rem;
    font-family: 'Exo 2', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: 0 auto;
    letter-spacing: 1px;
}

.victory-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px var(--glow-purple);
}

/* Loading screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-darker);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

.loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-content {
    text-align: center;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(0, 212, 255, 0.3);
    border-top: 3px solid var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 2rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-title {
    font-family: 'Orbitron', monospace;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.loading-progress {
    width: 200px;
    height: 4px;
    background: rgba(0, 212, 255, 0.3);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}

.progress-bar {
    width: 0%;
    height: 100%;
    background: var(--gradient-success);
    border-radius: 2px;
    animation: loadingProgress 3s ease-in-out;
}

@keyframes loadingProgress {
    0% { width: 0%; }
    100% { width: 100%; }
}

/* Responsive design */
@media (max-width: 1200px) {
    .game-container {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .info-panel {
        width: 100%;
    }
    
    .stats-dashboard {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .instruction-grid {
        grid-template-columns: 1fr;
    }
    
    .legend-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .game-header {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
    }
    
    .logo-title {
        font-size: 1.5rem;
    }
    
    .game-container {
        padding: 1rem;
    }
    
    .board-wrapper {
        padding: 1rem;
    }
    
    #gameCanvas {
        width: 100%;
        height: auto;
        max-width: 500px;
    }
    
    .board-controls {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .control-btn {
        width: 100%;
    }
    
    .stats-dashboard {
        grid-template-columns: 1fr;
    }
    
    .victory-content {
        margin: 1rem;
        padding: 2rem;
    }
    
    .victory-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .legend-grid {
        grid-template-columns: 1fr;
    }
    
    .instruction-grid {
        gap: 0.5rem;
    }
    
    .board-header {
        flex-direction: column;
        gap: 1rem;
    }
}