/* ============================================================
   TRON LIGHTCYCLE ARENA - CYBERPUNK NEON STYLING
   Dark theme with animated neon glows, grid backgrounds, and
   glassmorphism effects matching the portfolio aesthetic
   ============================================================ */

:root {
    /* Neon Color Palette - Dynamic (changed by theme toggle) */
    --neon-cyan: #00FFFF;
    --neon-primary: #00FFFF; /* Main theme color */
    --neon-blue: #00BFFF;
    --neon-orange: #FF6600;
    --neon-pink: #FF00FF;
    --neon-green: #00FF66;
    --neon-red: #FF0044;
    --neon-purple: #9900FF;
    --neon-yellow: #FFFF00;
    
    /* Theme-specific variables (updated dynamically) */
    --text-neon: var(--neon-primary);
    --border-glow: rgba(0, 255, 255, 0.5);
    --theme-gradient: linear-gradient(135deg, #00FFFF 0%, #00BFFF 100%);
    
    /* Background Layers */
    --bg-void: #000000;
    --bg-deep: #0a0a0f;
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-elevated: #2d333b;
    
    /* Text Colors */
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    
    /* Borders & Dividers */
    --border-primary: #30363d;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Animations */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Fonts */
    --font-mono: 'Cascadia Code', 'Source Code Pro', 'Courier New', monospace;
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
}

/* ============================================================
   BASE STYLES & RESETS
   ============================================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: var(--bg-void);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
}

body.grid-system {
    background: 
        linear-gradient(0deg, rgba(0, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.03) 1px, transparent 1px),
        radial-gradient(circle at 50% 50%, rgba(0, 191, 255, 0.05) 0%, var(--bg-void) 100%);
    background-size: 50px 50px, 50px 50px, 100% 100%;
    background-position: 0 0, 0 0, center center;
    animation: gridScroll 20s linear infinite;
}

@keyframes gridScroll {
    0% { background-position: 0 0, 0 0, center center; }
    100% { background-position: 50px 50px, 50px 50px, center center; }
}

/* Scanline effect overlay */
body.grid-system::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        transparent 50%,
        rgba(0, 255, 255, 0.02) 50%
    );
    background-size: 100% 4px;
    pointer-events: none;
    z-index: 9999;
    animation: scanline 10s linear infinite;
}

@keyframes scanline {
    0% { transform: translateY(0); }
    100% { transform: translateY(4px); }
}

/* ============================================================
   CYBER HEADER
   ============================================================ */

.cyber-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 2px solid var(--border-glow);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-xl);
    z-index: 1000;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.header-left,
.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    position: relative;
}

.header-center {
    flex: 1;
    display: flex;
    justify-content: center;
    position: absolute;
    left: 0;
    right: 0;
    pointer-events: none;
}

.header-center .title-neon {
    pointer-events: auto;
}

.title-neon {
    text-align: center;
}

.title-glitch {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: 0.2em;
    color: var(--neon-cyan);
    text-shadow: 
        0 0 10px var(--neon-cyan),
        0 0 20px var(--neon-cyan),
        0 0 30px var(--neon-cyan),
        0 0 40px var(--neon-blue);
    position: relative;
    animation: neonPulse 2s ease-in-out infinite;
}

@keyframes neonPulse {
    0%, 100% { 
        text-shadow: 
            0 0 10px var(--neon-cyan),
            0 0 20px var(--neon-cyan),
            0 0 30px var(--neon-cyan),
            0 0 40px var(--neon-blue);
    }
    50% { 
        text-shadow: 
            0 0 5px var(--neon-cyan),
            0 0 10px var(--neon-cyan),
            0 0 15px var(--neon-cyan),
            0 0 20px var(--neon-blue);
    }
}

.subtitle-text {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    letter-spacing: 0.3em;
    color: var(--text-secondary);
    margin-top: -8px;
}

/* ============================================================
   CYBER BUTTONS
   ============================================================ */

.cyber-btn,
.cyber-btn-sm {
    background: transparent;
    border: 2px solid var(--neon-cyan);
    color: var(--neon-cyan);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 700;
    padding: var(--spacing-sm) var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    position: relative;
    overflow: hidden;
}

.cyber-btn-sm {
    font-size: 0.8rem;
    padding: var(--spacing-xs) var(--spacing-md);
}

.cyber-btn::before,
.cyber-btn-sm::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.2), transparent);
    transition: left var(--transition-normal);
}

.cyber-btn:hover::before,
.cyber-btn-sm:hover::before {
    left: 100%;
}

.cyber-btn:hover,
.cyber-btn-sm:hover {
    background: rgba(0, 255, 255, 0.1);
    box-shadow: 
        0 0 10px var(--neon-cyan),
        inset 0 0 10px rgba(0, 255, 255, 0.2);
    transform: translateY(-2px);
}

.cyber-btn:active,
.cyber-btn-sm:active {
    transform: translateY(0);
}

.cyber-btn-large {
    background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-blue) 100%);
    border: none;
    color: var(--bg-void);
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 900;
    padding: var(--spacing-md) var(--spacing-2xl);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 0 20px rgba(0, 255, 255, 0.5),
        0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all var(--transition-fast);
}

.cyber-btn-large:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 0 30px rgba(0, 255, 255, 0.8),
        0 6px 20px rgba(0, 0, 0, 0.4);
}

.btn-glow {
    position: relative;
    z-index: 1;
}

.exit-btn {
    border-color: var(--neon-red);
    color: var(--neon-red);
}

.exit-btn:hover {
    background: rgba(255, 0, 68, 0.1);
    box-shadow: 
        0 0 10px var(--neon-red),
        inset 0 0 10px rgba(255, 0, 68, 0.2);
}

.danger-btn {
    border-color: var(--neon-red);
    color: var(--neon-red);
}

.danger-btn:hover {
    background: rgba(255, 0, 68, 0.1);
}

.btn-bracket {
    color: var(--text-muted);
    font-weight: 400;
}

/* ============================================================
   USER DISPLAY
   ============================================================ */

.user-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(0, 255, 255, 0.05);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-sm);
}

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

.username-text {
    font-family: var(--font-mono);
    color: var(--neon-cyan);
    font-weight: 700;
}

/* Save Status Indicator */
.save-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(0, 255, 100, 0.1);
    border: 1px solid var(--neon-green);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    pointer-events: none;
}

.save-status.saving {
    background: rgba(255, 200, 0, 0.1);
    border-color: var(--neon-orange);
}

.save-status.error {
    background: rgba(255, 50, 100, 0.1);
    border-color: var(--neon-red);
}

.save-icon {
    font-size: 1rem;
    animation: none;
}

.save-status.saving .save-icon {
    animation: savePulse 1s ease-in-out infinite;
}

.save-text {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.save-status:not(.saving):not(.error) .save-text {
    color: var(--neon-green);
}

.save-status.saving .save-text {
    color: var(--neon-orange);
}

.save-status.error .save-text {
    color: var(--neon-red);
}

@keyframes savePulse {
    0%, 100% { 
        opacity: 1; 
        transform: scale(1);
    }
    50% { 
        opacity: 0.6; 
        transform: scale(1.1);
    }
}

.hidden {
    display: none !important;
}

/* ============================================================
   GAME CONTAINER LAYOUT
   ============================================================ */

.game-container {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    display: grid;
    grid-template-columns: 300px 1fr 300px;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    overflow: hidden;
}

/* ============================================================
   SIDE PANELS
   ============================================================ */

.side-panel {
    background: rgba(22, 27, 34, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-header {
    background: rgba(0, 255, 255, 0.05);
    border-bottom: 2px solid var(--border-glow);
    padding: var(--spacing-md);
}

.panel-title {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    color: var(--neon-cyan);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.panel-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--spacing-lg);
}

/* Custom Scrollbar */
.panel-content::-webkit-scrollbar {
    width: 8px;
}

.panel-content::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.panel-content::-webkit-scrollbar-thumb {
    background: var(--neon-cyan);
    border-radius: 4px;
    box-shadow: 0 0 10px var(--neon-cyan);
}

.panel-content::-webkit-scrollbar-thumb:hover {
    background: var(--neon-blue);
}

/* ============================================================
   STAT SECTIONS
   ============================================================ */

.stat-section,
.mode-section,
.controls-section {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-title {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-primary);
}

.stat-grid {
    display: grid;
    gap: var(--spacing-sm);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background: rgba(0, 255, 255, 0.02);
    border-left: 2px solid var(--neon-cyan);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--neon-cyan);
}

.credits-stat {
    background: rgba(255, 215, 0, 0.05);
    border-left: 2px solid #FFD700;
}

.credits-value {
    color: #FFD700 !important;
    text-shadow: 0 0 8px rgba(255, 215, 0, 0.5);
}

/* ============================================================
   GAME MODE BUTTONS
   ============================================================ */

.mode-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mode-btn {
    background: rgba(0, 255, 255, 0.05);
    border: 2px solid var(--border-primary);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.mode-btn:hover {
    border-color: var(--neon-cyan);
    background: rgba(0, 255, 255, 0.1);
    transform: translateX(5px);
}

.mode-btn.active {
    border-color: var(--neon-cyan);
    background: rgba(0, 255, 255, 0.15);
    box-shadow: 
        0 0 10px rgba(0, 255, 255, 0.3),
        inset 0 0 10px rgba(0, 255, 255, 0.1);
}

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

.mode-name {
    font-weight: 700;
    letter-spacing: 0.05em;
}

/* ============================================================
   CONTROLS GUIDE
   ============================================================ */

.control-list {
    display: grid;
    gap: var(--spacing-xs);
}

.control-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xs) 0;
}

.control-key {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--bg-void);
    background: var(--neon-cyan);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    min-width: 60px;
    text-align: center;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.control-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ============================================================
   GAME CANVAS
   ============================================================ */

.game-main {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.canvas-wrapper {
    position: relative;
    width: 100%;
    max-width: 1000px;
    aspect-ratio: 1 / 1;
    background: var(--bg-void);
    border: 3px solid var(--border-glow);
    border-radius: var(--radius-lg);
    box-shadow: 
        0 0 30px rgba(0, 255, 255, 0.4),
        inset 0 0 50px rgba(0, 255, 255, 0.05);
    overflow: hidden;
}

#gameCanvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* ============================================================
   GAME OVERLAYS
   ============================================================ */

.game-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.overlay-content {
    text-align: center;
    padding: var(--spacing-2xl);
    background: rgba(22, 27, 34, 0.95);
    border: 2px solid var(--border-glow);
    border-radius: var(--radius-lg);
    box-shadow: 0 0 40px rgba(0, 255, 255, 0.5);
    min-width: 400px;
}

.overlay-title {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--neon-cyan);
    text-shadow: 0 0 20px var(--neon-cyan);
    margin-bottom: var(--spacing-lg);
    letter-spacing: 0.1em;
}

.glitch-text {
    position: relative;
    animation: glitch 3s infinite;
}

@keyframes glitch {
    0%, 90%, 100% {
        transform: translate(0);
        text-shadow: 0 0 20px var(--neon-cyan);
    }
    91% {
        transform: translate(-2px, 2px);
        text-shadow: 
            2px 0 var(--neon-red),
            -2px 0 var(--neon-blue);
    }
    93% {
        transform: translate(2px, -2px);
        text-shadow: 
            -2px 0 var(--neon-red),
            2px 0 var(--neon-blue);
    }
}

.overlay-message {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.overlay-message kbd {
    font-family: var(--font-mono);
    font-weight: 700;
    background: var(--neon-cyan);
    color: var(--bg-void);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

/* Game Over Stats */
.game-over-stats {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    background: rgba(0, 255, 255, 0.05);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-md);
}

.final-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-primary);
}

.final-stat:last-child {
    border-bottom: none;
}

.final-stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
}

.final-stat-value {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--neon-cyan);
}

.points-earned {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(0, 255, 102, 0.1);
    border: 2px solid var(--neon-green);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    animation: pointsGlow 1s ease-in-out infinite;
}

@keyframes pointsGlow {
    0%, 100% { box-shadow: 0 0 10px rgba(0, 255, 102, 0.5); }
    50% { box-shadow: 0 0 20px rgba(0, 255, 102, 0.8); }
}

.points-icon {
    font-size: 1.5rem;
}

.points-text {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--neon-green);
}

.credits-earned {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 215, 0, 0.1);
    border: 2px solid #FFD700;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    animation: creditsGlow 1.2s ease-in-out infinite;
}

@keyframes creditsGlow {
    0%, 100% { box-shadow: 0 0 10px rgba(255, 215, 0, 0.5); }
    50% { box-shadow: 0 0 20px rgba(255, 215, 0, 0.8); }
}

.credits-icon {
    font-size: 1.5rem;
    animation: creditsSpin 2s linear infinite;
}

@keyframes creditsSpin {
    0%, 100% { transform: rotateY(0deg); }
    50% { transform: rotateY(180deg); }
}

.credits-text {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 900;
    color: #FFD700;
}

.game-over-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

/* ============================================================
   LEADERBOARD
   ============================================================ */

.leaderboard-section {
    margin-bottom: var(--spacing-xl);
}

.leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.leaderboard-loading {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.leaderboard-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(0, 255, 255, 0.03);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.leaderboard-item:hover {
    background: rgba(0, 255, 255, 0.08);
    border-color: var(--neon-cyan);
    transform: translateX(5px);
}

.leaderboard-rank {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--neon-cyan);
    min-width: 30px;
    text-align: center;
}

.leaderboard-rank.top3 {
    color: var(--neon-yellow);
    text-shadow: 0 0 10px var(--neon-yellow);
}

.leaderboard-info {
    flex: 1;
}

.leaderboard-name {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.leaderboard-details {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.leaderboard-score {
    text-align: right;
}

.leaderboard-points {
    font-family: var(--font-mono);
    font-weight: 900;
    color: var(--neon-cyan);
    font-size: 1.1rem;
}

.leaderboard-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 2px;
}

/* ============================================================
   ACHIEVEMENTS
   ============================================================ */

.achievements-section {
    margin-bottom: var(--spacing-xl);
}

.achievements-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.achievement-placeholder {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
    font-size: 0.9rem;
    font-style: italic;
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 215, 0, 0.05);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: var(--radius-sm);
}

.achievement-icon {
    font-size: 1.5rem;
}

.achievement-info {
    flex: 1;
}

.achievement-name {
    font-weight: 700;
    color: var(--neon-yellow);
    font-size: 0.9rem;
}

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

/* ============================================================
   GLOBAL STATS
   ============================================================ */

.quick-stats {
    background: rgba(0, 255, 255, 0.03);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
}

.global-stat-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-primary);
}

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

.global-stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.global-stat-value {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--neon-cyan);
}

/* ============================================================
   TRON THEMED MODAL SYSTEM
   Unified modal styling with cyber aesthetics, animated borders,
   and neon glow effects
   ============================================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    animation: modalFadeIn 0.3s ease;
    padding: 1rem;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        backdrop-filter: blur(0px);
    }
    to {
        opacity: 1;
        backdrop-filter: blur(12px);
    }
}

.modal-content {
    background: var(--bg-secondary);
    border: 2px solid var(--border-glow);
    border-radius: var(--radius-lg);
    box-shadow: 
        0 0 40px rgba(0, 255, 255, 0.4),
        0 0 80px rgba(0, 255, 255, 0.2),
        inset 0 0 40px rgba(0, 255, 255, 0.05);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Animated corner accents - positioned outside modal border
.modal-content::before,
.modal-content::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 50px;
    border-width: 3px;
    border-style: solid;
    border-color: var(--neon-primary);
    pointer-events: none;
    animation: cornerPulse 2s ease-in-out infinite;
    z-index: 10;
}

.modal-content::before {
    top: -3px;
    left: -3px;
    border-right: none;
    border-bottom: none;
    border-top-left-radius: calc(var(--radius-lg) + 2px);
}

.modal-content::after {
    bottom: -3px;
    right: -3px;
    border-left: none;
    border-top: none;
    border-bottom-right-radius: calc(var(--radius-lg) + 2px);
}
*/
@keyframes cornerPulse {
    0%, 100% {
        opacity: 0.7;
        filter: drop-shadow(0 0 8px var(--neon-primary));
    }
    50% {
        opacity: 1;
        filter: drop-shadow(0 0 16px var(--neon-primary));
    }
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-content.large-modal {
    max-width: 900px;
}

.modal-content.cyber-modal,
.modal-content.player-menu-redesign,
.modal-content.purchase-confirm-modal,
.modal-content.guest-menu,
.modal-content.danger-confirm-modal {
    /* Ensure all modal variants have consistent styling */
    background: var(--bg-secondary);
    border: 2px solid var(--border-glow);
}

/* Danger variant for destructive actions */
.modal-content.danger-confirm-modal {
    border-color: rgba(255, 0, 68, 0.6);
    box-shadow: 
        0 0 40px rgba(255, 0, 68, 0.4),
        0 0 80px rgba(255, 0, 68, 0.2),
        inset 0 0 40px rgba(255, 0, 68, 0.05);
}

.modal-content.danger-confirm-modal::before,
.modal-content.danger-confirm-modal::after {
    border-color: var(--neon-red);
    animation: dangerPulse 2s ease-in-out infinite;
}

@keyframes dangerPulse {
    0%, 100% {
        opacity: 0.7;
        filter: drop-shadow(0 0 8px var(--neon-red));
    }
    50% {
        opacity: 1;
        filter: drop-shadow(0 0 16px var(--neon-red));
    }
}

.modal-header {
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.12), rgba(0, 191, 255, 0.08));
    padding: var(--spacing-xl);
    border-bottom: 2px solid var(--border-glow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 2;
}

.modal-content.danger-confirm-modal .modal-header {
    background: linear-gradient(135deg, rgba(255, 0, 68, 0.12), rgba(255, 50, 100, 0.08));
    border-bottom-color: rgba(255, 0, 68, 0.4);
}

/* Animated scan line effect */
.modal-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--neon-primary) 50%,
        transparent 100%
    );
    animation: scanLine 3s linear infinite;
}

.modal-content.danger-confirm-modal .modal-header::after {
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--neon-red) 50%,
        transparent 100%
    );
}

@keyframes scanLine {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(100%);
    }
}

.modal-title {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--neon-cyan);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-shadow: 
        0 0 10px var(--neon-cyan),
        0 0 20px var(--neon-cyan);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.modal-content.danger-confirm-modal .modal-title {
    color: var(--neon-red);
    text-shadow: 
        0 0 10px var(--neon-red),
        0 0 20px var(--neon-red);
}

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

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

.modal-close,
.modal-close-modern {
    background: transparent;
    border: 2px solid var(--border-primary);
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.modal-close::before,
.modal-close-modern::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--neon-red);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
    opacity: 0.2;
}

.modal-close:hover,
.modal-close-modern:hover {
    color: var(--neon-red);
    border-color: var(--neon-red);
    transform: rotate(90deg);
    box-shadow: 0 0 20px rgba(255, 0, 68, 0.5);
}

.modal-close:hover::before,
.modal-close-modern:hover::before {
    width: 100%;
    height: 100%;
}

.modal-body {
    padding: var(--spacing-xl);
    position: relative;
    z-index: 2;
}

/* Grid background pattern for modal body */
.modal-body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 20px 20px;
    pointer-events: none;
    opacity: 0.5;
    z-index: -1;
}

.modal-body > * {
    position: relative;
    z-index: 1;
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 2px solid var(--border-primary);
    background: rgba(0, 0, 0, 0.2);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    z-index: 2;
}

.modal-content.danger-confirm-modal .modal-footer {
    border-top-color: rgba(255, 0, 68, 0.3);
}

/* Modal warning boxes */
.modal-warning {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1), rgba(255, 152, 0, 0.05));
    border: 2px solid rgba(255, 193, 7, 0.4);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    position: relative;
    overflow: hidden;
}

.modal-warning::before {
    content: '⚠';
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    font-size: 100px;
    opacity: 0.05;
    pointer-events: none;
}

.modal-warning strong {
    color: #ffc107;
    text-shadow: 0 0 10px rgba(255, 193, 7, 0.5);
}

/* Danger warning variant */
.modal-danger {
    background: linear-gradient(135deg, rgba(255, 0, 68, 0.15), rgba(255, 50, 100, 0.08));
    border: 2px solid rgba(255, 0, 68, 0.5);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    position: relative;
    overflow: hidden;
    animation: dangerGlow 2s ease-in-out infinite;
}

@keyframes dangerGlow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(255, 0, 68, 0.2);
    }
    50% {
        box-shadow: 0 0 20px rgba(255, 0, 68, 0.4);
    }
}

.modal-danger::before {
    content: '⚠';
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    font-size: 120px;
    opacity: 0.05;
    pointer-events: none;
    color: var(--neon-red);
}

.modal-danger strong {
    color: var(--neon-red);
    text-shadow: 0 0 10px rgba(255, 0, 68, 0.5);
    font-size: 1.1rem;
}

.modal-danger p {
    margin: 0.5rem 0;
    color: var(--text-primary);
    line-height: 1.6;
}

.modal-danger ul {
    margin: 0.5rem 0 0.5rem 1.5rem;
    color: var(--text-secondary);
}

.modal-danger li {
    margin: 0.25rem 0;
}

/* Confirmation input for dangerous actions */
.confirm-input-group {
    margin: var(--spacing-lg) 0;
}

.confirm-input-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.confirm-input {
    width: 100%;
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.confirm-input:focus {
    outline: none;
    border-color: var(--neon-red);
    box-shadow: 0 0 15px rgba(255, 0, 68, 0.3);
}

.confirm-input.valid {
    border-color: var(--neon-green);
}

/* Modal buttons */
.modal-btn-danger {
    background: linear-gradient(135deg, var(--neon-red), #cc0036);
    border: 2px solid var(--neon-red);
    color: #000;
    font-weight: 900;
    position: relative;
    overflow: hidden;
}

.modal-btn-danger::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.5s ease;
}

.modal-btn-danger:hover::before {
    width: 300px;
    height: 300px;
}

.modal-btn-danger:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.modal-btn-danger:disabled:hover {
    transform: none;
}

/* Responsive modal sizing */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        max-height: 95vh;
        border-radius: var(--radius-md);
    }
    
    .modal-title {
        font-size: 1.2rem;
    }
    
    .modal-body {
        padding: var(--spacing-lg);
    }
    
    .modal-footer {
        flex-direction: column;
    }
    
    .modal-footer .cyber-btn,
    .modal-footer .cyber-btn-large {
        width: 100%;
    }
}

/* ============================================================
   FORMS
   ============================================================ */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cyber-input {
    width: 100%;
    background: rgba(0, 255, 255, 0.05);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 1rem;
    padding: var(--spacing-md);
    transition: all var(--transition-fast);
}

.cyber-input:focus {
    outline: none;
    border-color: var(--neon-cyan);
    background: rgba(0, 255, 255, 0.1);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
}

.form-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    font-style: italic;
}

.error-message {
    background: rgba(255, 0, 68, 0.1);
    border: 1px solid var(--neon-red);
    border-radius: var(--radius-sm);
    color: var(--neon-red);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
}

.modal-buttons {
    margin-top: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.modal-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-primary);
    text-align: center;
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.cyber-link {
    background: transparent;
    border: none;
    color: var(--neon-cyan);
    font-family: var(--font-mono);
    font-weight: 700;
    cursor: pointer;
    text-decoration: underline;
    transition: all var(--transition-fast);
}

.cyber-link:hover {
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-cyan);
}

/* ============================================================
   MENU TABS
   ============================================================ */

.menu-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--border-primary);
}

.menu-tab {
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 700;
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.menu-tab:hover {
    color: var(--neon-cyan);
    background: rgba(0, 255, 255, 0.05);
}

.menu-tab.active {
    color: var(--neon-cyan);
    border-bottom-color: var(--neon-cyan);
}

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

.tab-content {
    animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   PROFILE TAB
   ============================================================ */

.profile-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: rgba(0, 255, 255, 0.05);
    border: 2px solid var(--border-glow);
    border-radius: var(--radius-lg);
}

.profile-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.5);
}

.avatar-icon {
    font-size: 3rem;
}

.profile-info h3 {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    color: var(--neon-cyan);
    margin-bottom: var(--spacing-xs);
}

.profile-level,
.profile-points,
.profile-credits {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    font-size: 1rem;
}

.profile-credits {
    color: #FFD700 !important;
    font-weight: 700;
    text-shadow: 0 0 8px rgba(255, 215, 0, 0.5);
}

.profile-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
}

.profile-stat-card {
    background: rgba(0, 255, 255, 0.03);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-fast);
}

.profile-stat-card:hover {
    background: rgba(0, 255, 255, 0.08);
    border-color: var(--neon-cyan);
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 255, 255, 0.2);
}

.stat-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.stat-number {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--neon-cyan);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.stat-name {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
}

/* ============================================================
   CUSTOMIZE TAB
   ============================================================ */

.customize-section {
    margin-bottom: var(--spacing-2xl);
}

.customize-title {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--neon-cyan);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-glow);
}

.customize-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--spacing-md);
}

.customize-item {
    background: rgba(0, 255, 255, 0.03);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.customize-item:hover {
    border-color: var(--neon-cyan);
    background: rgba(0, 255, 255, 0.1);
    transform: translateY(-3px);
}

.customize-item.equipped {
    border-color: var(--neon-green);
    background: rgba(0, 255, 102, 0.1);
    box-shadow: 0 0 20px rgba(0, 255, 102, 0.3);
}

.customize-item.locked {
    opacity: 0.4;
    cursor: not-allowed;
}

.customize-item.locked:hover {
    transform: none;
}

.item-preview {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-sm);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.item-name {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.item-cost {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--neon-yellow);
    font-weight: 700;
}

.item-equipped-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--neon-green);
    color: var(--bg-void);
    font-size: 0.7rem;
    font-weight: 900;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    box-shadow: 0 0 15px rgba(0, 255, 102, 0.5);
}

/* ============================================================
   ACHIEVEMENTS TAB
   ============================================================ */

.achievements-grid {
    display: grid;
    gap: var(--spacing-md);
}

.achievement-card {
    background: rgba(0, 255, 255, 0.03);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    transition: all var(--transition-fast);
}

.achievement-card.unlocked {
    border-color: var(--neon-yellow);
    background: rgba(255, 215, 0, 0.08);
}

.achievement-card:hover {
    transform: translateX(5px);
}

.achievement-icon-large {
    font-size: 3rem;
    filter: grayscale(100%);
}

.achievement-card.unlocked .achievement-icon-large {
    filter: grayscale(0%);
    animation: achievementGlow 2s ease-in-out infinite;
}

@keyframes achievementGlow {
    0%, 100% { 
        filter: drop-shadow(0 0 5px rgba(255, 215, 0, 0.5));
    }
    50% { 
        filter: drop-shadow(0 0 15px rgba(255, 215, 0, 0.8));
    }
}

.achievement-details {
    flex: 1;
}

.achievement-title {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.achievement-description {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.achievement-progress {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--neon-cyan);
}

.achievement-reward {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--neon-yellow);
}

/* ============================================================
   SETTINGS TAB
   ============================================================ */

.settings-section {
    margin-bottom: var(--spacing-2xl);
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: rgba(0, 255, 255, 0.03);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.setting-label {
    font-size: 1rem;
    color: var(--text-primary);
}

.cyber-checkbox {
    width: 50px;
    height: 26px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-primary);
    border-radius: 13px;
    cursor: pointer;
    position: relative;
    transition: all var(--transition-fast);
}

.cyber-checkbox:checked {
    background: var(--neon-cyan);
    border-color: var(--neon-cyan);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
}

.cyber-checkbox::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background: white;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: transform var(--transition-fast);
}

.cyber-checkbox:checked::before {
    transform: translateX(24px);
}

.settings-actions {
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--border-primary);
}

/* ============================================================
   ADMIN FLOAT BUTTON
   ============================================================ */

.admin-float-btn {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    z-index: 1500;
}

.admin-btn {
    background: linear-gradient(135deg, var(--neon-orange), var(--neon-red));
    border: 2px solid var(--neon-orange);
    color: var(--bg-void);
    font-family: var(--font-mono);
    font-weight: 900;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    box-shadow: 
        0 0 30px rgba(255, 102, 0, 0.6),
        0 5px 20px rgba(0, 0, 0, 0.4);
    transition: all var(--transition-fast);
    animation: adminPulse 2s ease-in-out infinite;
}

@keyframes adminPulse {
    0%, 100% { 
        box-shadow: 
            0 0 30px rgba(255, 102, 0, 0.6),
            0 5px 20px rgba(0, 0, 0, 0.4);
    }
    50% { 
        box-shadow: 
            0 0 50px rgba(255, 102, 0, 0.9),
            0 8px 30px rgba(0, 0, 0, 0.5);
    }
}

.admin-btn:hover {
    transform: translateY(-5px) scale(1.05);
}

.admin-icon {
    font-size: 1.3rem;
}

.admin-text {
    font-size: 1rem;
    letter-spacing: 0.1em;
}

/* ============================================================
   LOADING INDICATOR
   ============================================================ */

.loading-overlay,
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--border-primary);
    border-top-color: var(--neon-cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

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

.loading-text {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--neon-cyan);
    margin-top: var(--spacing-xl);
    letter-spacing: 0.2em;
    animation: loadingPulse 1.5s ease-in-out infinite;
}

@keyframes loadingPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* ============================================================
   PURCHASE CONFIRMATION MODAL
   ============================================================ */

.purchase-confirm-modal {
    background: var(--bg-primary);
    border: 2px solid var(--neon-primary);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    box-shadow: 
        0 0 40px rgba(0, 255, 255, 0.3),
        inset 0 0 60px rgba(0, 255, 255, 0.05);
    animation: confirmSlideIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
}

.purchase-confirm-modal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--neon-primary) 50%, 
        transparent 100%);
    animation: scanLine 2s linear infinite;
}

@keyframes confirmSlideIn {
    from {
        transform: scale(0.8) translateY(-50px);
        opacity: 0;
    }
    to {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

@keyframes scanLine {
    from { transform: translateX(-100%); }
    to { transform: translateX(100%); }
}

.modal-header-confirm {
    padding: var(--spacing-xl);
    background: linear-gradient(180deg, 
        rgba(0, 255, 255, 0.1) 0%, 
        transparent 100%);
    border-bottom: 1px solid var(--border-primary);
    text-align: center;
}

.confirm-icon-container {
    margin-bottom: var(--spacing-md);
}

.confirm-icon {
    font-size: 3rem;
    display: inline-block;
    animation: iconPulse 2s ease-in-out infinite;
    filter: drop-shadow(0 0 10px var(--neon-primary));
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.confirm-title {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    color: var(--neon-primary);
    text-shadow: 0 0 10px var(--neon-primary);
    letter-spacing: 0.15em;
    margin: 0;
}

.modal-body-confirm {
    padding: var(--spacing-xl);
}

.purchase-item-preview {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.purchase-item-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, 
        rgba(0, 255, 255, 0.1) 0%, 
        transparent 70%);
    pointer-events: none;
}

.preview-color-display {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-sm);
    box-shadow: 
        inset 0 0 30px rgba(0, 0, 0, 0.5),
        0 0 20px currentColor;
    position: relative;
}

.preview-effect-display {
    font-size: 2rem;
    color: var(--text-primary);
    text-align: center;
    font-family: var(--font-mono);
}

.purchase-details {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.detail-row:not(:last-child) {
    border-bottom: 1px solid var(--border-primary);
}

.detail-label {
    color: var(--text-secondary);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.detail-value {
    color: var(--text-primary);
    font-weight: 600;
}

.item-name-row .detail-value {
    color: var(--neon-primary);
    font-size: 1.1rem;
}

.rarity-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    font-weight: 700;
    text-transform: uppercase;
}

.rarity-badge.common { 
    background: rgba(76, 175, 80, 0.2); 
    color: #4CAF50; 
    border: 1px solid #4CAF50;
}

.rarity-badge.rare { 
    background: rgba(33, 150, 243, 0.2); 
    color: #2196F3; 
    border: 1px solid #2196F3;
}

.rarity-badge.epic { 
    background: rgba(156, 39, 176, 0.2); 
    color: #9C27B0; 
    border: 1px solid #9C27B0;
}

.rarity-badge.legendary { 
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.2), rgba(255, 140, 0, 0.2));
    color: #FFD700; 
    border: 1px solid #FFD700;
    animation: legendaryGlow 2s ease-in-out infinite;
}

.price-value {
    color: #FFD700 !important;
    font-size: 1.1rem;
}

.currency-symbol {
    margin-right: var(--spacing-xs);
}

.balance-row .detail-value,
.after-row .detail-value {
    color: #4CAF50;
}

.after-row .detail-value.insufficient {
    color: var(--neon-red);
}

.purchase-warning {
    background: rgba(255, 165, 0, 0.1);
    border: 1px solid rgba(255, 165, 0, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.warning-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.warning-text {
    color: #FFA500;
    font-size: 0.9rem;
    margin: 0;
    font-family: var(--font-mono);
}

.modal-footer-confirm {
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-primary);
    display: flex;
    gap: var(--spacing-md);
    flex-direction: column;
}

.confirm-btn {
    background: linear-gradient(135deg, 
        var(--neon-primary) 0%, 
        color-mix(in srgb, var(--neon-primary) 80%, black) 100%);
    border: 2px solid var(--neon-primary);
    position: relative;
    overflow: hidden;
}

.confirm-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.5s, height 0.5s;
}

.confirm-btn:hover::before {
    width: 300px;
    height: 300px;
}

.confirm-btn .btn-glow {
    position: relative;
    z-index: 1;
    color: #000;
    font-weight: 700;
}

.cancel-btn {
    background: transparent;
    border: 2px solid var(--border-primary);
}

.cancel-btn:hover {
    border-color: var(--neon-red);
    background: rgba(255, 0, 68, 0.1);
}

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

.cancel-btn:hover .btn-text {
    color: var(--neon-red);
}

/* Responsive adjustments */
@media (max-width: 600px) {
    .purchase-confirm-modal {
        max-width: 95%;
    }
    
    .modal-header-confirm,
    .modal-body-confirm,
    .modal-footer-confirm {
        padding: var(--spacing-lg);
    }
    
    .confirm-title {
        font-size: 1.2rem;
    }
    
    .detail-row {
        font-size: 0.85rem;
    }
}

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */

@media (max-width: 1400px) {
    .game-container {
        grid-template-columns: 250px 1fr 250px;
    }
}

@media (max-width: 1024px) {
    .game-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
    }
    
    .left-panel {
        display: none;
    }
    
    .right-panel {
        grid-row: 1;
        max-height: 200px;
    }
    
    .game-main {
        grid-row: 2;
    }
}

@media (max-width: 768px) {
    .cyber-header {
        padding: 0 var(--spacing-md);
        height: 60px;
    }
    
    .title-glitch {
        font-size: 1.8rem;
    }
    
    .subtitle-text {
        font-size: 0.7rem;
    }
    
    .game-container {
        top: 60px;
        padding: var(--spacing-sm);
    }
    
    .overlay-content {
        min-width: auto;
        width: 90%;
    }
    
    .modal-content {
        width: 95%;
    }
    
    .customize-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
}

/* ============================================================
   TOAST NOTIFICATIONS
   ============================================================ */

.toast-notification {
    position: fixed;
    bottom: 30px;
    right: 30px;
    padding: var(--spacing-lg) var(--spacing-2xl);
    background: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-primary);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    z-index: 4000;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    max-width: 350px;
    word-wrap: break-word;
}

.toast-notification.show {
    opacity: 1;
    transform: translateY(0);
}

.toast-info {
    border-left: 4px solid var(--neon-cyan);
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.5),
        0 0 20px rgba(0, 255, 255, 0.2);
}

.toast-success {
    border-left: 4px solid var(--neon-green);
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.5),
        0 0 20px rgba(0, 255, 100, 0.2);
}

.toast-warning {
    border-left: 4px solid var(--neon-orange);
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.5),
        0 0 20px rgba(255, 150, 0, 0.2);
}

.toast-error {
    border-left: 4px solid var(--neon-red);
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.5),
        0 0 20px rgba(255, 0, 100, 0.2);
}

/* Print styles */
@media print {
    .cyber-header,
    .side-panel,
    .game-overlay,
    .modal-overlay,
    .admin-float-btn,
    .toast-notification {
        display: none !important;
    }
}

/* ============================================================
   UTILITY CLASSES - NO INLINE STYLES
   ============================================================ */

/* Account Settings Link in Modal */
.settings-actions .cyber-btn {
    margin-bottom: var(--spacing-md);
    display: inline-block;
    text-align: center;
    text-decoration: none;
}

/* Profile Page Styles */
.profile-delete-warning {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.profile-delete-link {
    display: block;
    text-align: center;
    text-decoration: none;
}

/* Admin Message Alerts */
.admin-message-error {
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid rgba(255, 0, 0, 0.3);
    color: #ff6464;
    padding: 0.75rem;
    border-radius: 6px;
    margin-bottom: 1rem;
}

.admin-message-success {
    background: rgba(0, 255, 0, 0.1);
    border: 1px solid rgba(0, 255, 0, 0.3);
    color: #00ff00;
    padding: 0.75rem;
    border-radius: 6px;
    margin-bottom: 1rem;
}

/* Rate Limit Section */
.rate-limit-section {
    background: linear-gradient(135deg, #1a1f35 0%, #0f1419 100%);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.rate-limit-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.rate-limit-title {
    margin: 0;
    color: #00ffff;
    font-size: 1.2rem;
}

.rate-limit-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.rate-limit-stat-card {
    background: rgba(0, 255, 255, 0.05);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid rgba(0, 255, 255, 0.15);
}

.rate-limit-stat-label {
    color: #8b949e;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.rate-limit-stat-value {
    color: #00ffff;
    font-size: 1.5rem;
    font-weight: bold;
}

.rate-limit-details {
    margin-top: 1rem;
}

.rate-limit-details-summary {
    cursor: pointer;
    color: #00ffff;
    font-weight: 600;
    padding: 0.5rem;
    background: rgba(0, 255, 255, 0.05);
    border-radius: 6px;
}

.rate-limit-details-content {
    margin-top: 1rem;
    overflow-x: auto;
}

.rate-limit-table {
    width: 100%;
    border-collapse: collapse;
}

.rate-limit-table thead tr {
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
}

.rate-limit-table th {
    padding: 0.75rem;
    text-align: left;
    color: #00ffff;
}

.rate-limit-table tbody tr {
    border-bottom: 1px solid rgba(0, 255, 255, 0.1);
}

.rate-limit-table td {
    padding: 0.75rem;
}

.rate-limit-table td.ip-cell {
    font-family: monospace;
    color: #e0e6ed;
}

.rate-limit-table td.fingerprint-cell {
    font-family: monospace;
    font-size: 0.85rem;
    color: #8b949e;
}

.rate-limit-table td.time-cell {
    color: #e0e6ed;
}

.rate-limit-count-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
}

.rate-limit-count-badge.danger {
    background: rgba(255, 0, 0, 0.2);
    color: #ff6464;
}

.rate-limit-count-badge.success {
    background: rgba(0, 255, 0, 0.2);
    color: #00ff00;
}

/* Rate Limit Settings Form */
.rate-limit-settings-details {
    margin-top: 1.5rem;
    background: rgba(0, 255, 255, 0.03);
    border: 1px solid rgba(0, 255, 255, 0.15);
    border-radius: 8px;
    padding: 1rem;
}

.rate-limit-settings-summary {
    cursor: pointer;
    color: #00ffff;
    font-weight: 600;
    padding: 0.5rem;
    user-select: none;
    list-style-position: inside;
}

.rate-limit-settings-form {
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(0, 255, 255, 0.15);
}

.rate-limit-settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

.rate-limit-setting-label {
    display: block;
    color: #00ffff;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.rate-limit-setting-input {
    width: 100%;
    padding: 0.75rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 6px;
    color: #e0e6ed;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.rate-limit-setting-input:hover {
    border-color: rgba(0, 255, 255, 0.5);
}

.rate-limit-setting-input:focus {
    outline: none;
    border-color: #00ffff;
    box-shadow: 0 0 8px rgba(0, 255, 255, 0.3);
}

.rate-limit-setting-hint {
    display: block;
    color: #8b949e;
    font-size: 0.8rem;
    margin-top: 0.4rem;
}

.rate-limit-form-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
    padding-top: 0.5rem;
}

.rate-limit-submit-btn {
    padding: 0.75rem 2rem;
    background: linear-gradient(135deg, #00ffff 0%, #00cccc 100%);
    color: #000;
    border: none;
    border-radius: 6px;
    font-weight: 700;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 255, 255, 0.3);
}

.rate-limit-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 255, 255, 0.4);
}

.rate-limit-submit-btn:active {
    transform: translateY(0);
}

.rate-limit-form-note {
    color: #8b949e;
    font-size: 0.85rem;
}

/* Admin Back Links */
.back-link-padded {
    padding: 0.75rem 1rem;
}

/* Admin Detail Views */
.admin-detail-email {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.admin-inline-form {
    display: inline;
}

.admin-flex-form {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.admin-form-label-small {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 0.25rem;
}

.admin-ticket-timestamp {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Analytics Bar Fills - Dynamic Width Only */
/* Note: Width percentage is set inline as it's dynamic data, not static style */

/* Database Error Messages */
.db-error-container {
    background: #1a1a2e;
    color: #ff6b6b;
    padding: 2rem;
    font-family: monospace;
    max-width: 800px;
    margin: 2rem auto;
    border: 2px solid #ff6b6b;
    border-radius: 8px;
}

.db-error-title {
    margin-top: 0;
}

.db-error-code {
    background: #0d1117;
    padding: 1rem;
    overflow-x: auto;
    border-radius: 4px;
}

.db-error-footer {
    margin-bottom: 0;
}

.db-error-link {
    color: #58a6ff;
}

/* Config Error (Simple) */
.config-error {
    background: #1a1a2e;
    color: #ff6b6b;
    padding: 2rem;
    font-family: monospace;
}

/* Settings Description */
.setting-description-cyan {
    margin-top: 0.5rem;
    color: #00ffff;
}

/* ============================================================
   DIFFICULTY SELECTION STYLES
   ============================================================ */

.difficulty-select {
    width: 100%;
    max-width: 700px;
    margin: 2rem auto;
    text-align: center;
}

.difficulty-label {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.difficulty-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.difficulty-btn {
    padding: 1.5rem 1rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.difficulty-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.difficulty-btn:hover::before {
    left: 100%;
}

.difficulty-btn:hover {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
    transform: translateY(-2px);
}

.difficulty-btn.active {
    border-color: var(--neon-cyan);
    background: var(--bg-elevated);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.4), inset 0 0 20px rgba(0, 255, 255, 0.1);
}

.difficulty-name {
    display: block;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-family: var(--font-mono);
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

.difficulty-btn.active .difficulty-name {
    color: var(--neon-cyan);
    text-shadow: 0 0 15px rgba(0, 255, 255, 0.6);
}

.difficulty-desc {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.difficulty-btn.active .difficulty-desc {
    color: var(--text-secondary);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .difficulty-options {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .difficulty-btn {
        padding: 1.25rem 1rem;
    }
    
    .difficulty-name {
        font-size: 1.1rem;
    }
}

/* Hidden utility class */
.hidden {
    display: none !important;
}

/* ============================================================
   MODERN PLAYER MENU MODAL REDESIGN
   ============================================================ */

.player-menu-redesign {
    max-width: 1200px;
    width: 95vw;
    max-height: 90vh;
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    display: flex;
    overflow: hidden;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(0, 255, 255, 0.1);
}

.modal-close-modern {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 100;
    width: 40px;
    height: 40px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.modal-close-modern:hover {
    background: var(--bg-tertiary);
    border-color: var(--neon-cyan);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
    transform: rotate(90deg);
}

.close-icon {
    font-size: 1.5rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.modal-close-modern:hover .close-icon {
    color: var(--neon-cyan);
}

/* Sidebar Navigation */
.menu-sidebar {
    width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-primary);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.menu-sidebar-header {
    padding: 2rem 1.5rem;
    border-bottom: 1px solid var(--border-primary);
    text-align: center;
}

.player-avatar-large {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--bg-elevated), var(--bg-tertiary));
    border: 3px solid var(--neon-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    position: relative;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.avatar-icon-large {
    font-size: 2.5rem;
}

.avatar-status-ring {
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border: 2px solid transparent;
    border-top-color: var(--neon-green);
    border-radius: 50%;
    animation: ringRotate 3s linear infinite;
}

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

.player-info-compact {
    text-align: center;
}

.player-name-large {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.player-level-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--bg-elevated);
    border: 1px solid var(--neon-cyan);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--neon-cyan);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.2);
}

.level-icon {
    font-size: 0.9rem;
}

/* Navigation Menu */
.menu-nav {
    padding: 1rem 0;
    flex: 1;
}

.menu-nav-item {
    width: 100%;
    background: transparent;
    border: none;
    border-left: 3px solid transparent;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-secondary);
    font-family: var(--font-primary);
    font-size: 0.95rem;
}

.menu-nav-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-left-color: var(--neon-cyan);
}

.menu-nav-item.active {
    background: var(--bg-elevated);
    border-left-color: var(--neon-cyan);
    color: var(--neon-cyan);
    box-shadow: inset 0 0 20px rgba(0, 255, 255, 0.1);
}

.nav-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.nav-label {
    flex: 1;
    text-align: left;
    font-weight: 500;
}

.nav-arrow {
    font-size: 1.5rem;
    opacity: 0;
    transform: translateX(-10px);
    transition: all var(--transition-normal);
}

.menu-nav-item.active .nav-arrow,
.menu-nav-item:hover .nav-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* Sidebar Footer */
.menu-sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-primary);
}

.logout-btn-modern {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    color: var(--text-secondary);
    font-family: var(--font-primary);
}

.logout-btn-modern:hover {
    background: rgba(255, 0, 68, 0.1);
    border-color: var(--neon-red);
    color: var(--neon-red);
    box-shadow: 0 0 15px rgba(255, 0, 68, 0.2);
}

.logout-icon {
    font-size: 1.1rem;
}

.logout-text {
    font-weight: 500;
}

/* Main Content Area */
.menu-main-content {
    flex: 1;
    overflow-y: auto;
    background: var(--bg-primary);
}

.tab-content-modern {
    padding: 2.5rem 3rem;
    display: none;
}

.tab-content-modern.active {
    display: block;
    animation: fadeSlideIn 0.3s ease;
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-header {
    margin-bottom: 2rem;
}

.content-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.content-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Currency Cards */
.currency-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.currency-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.currency-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.currency-gradient {
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.05));
    pointer-events: none;
}

.points-card {
    border-color: rgba(0, 255, 255, 0.3);
}

.points-card:hover {
    border-color: var(--neon-cyan);
    box-shadow: 0 8px 24px rgba(0, 255, 255, 0.2);
}

.credits-card {
    border-color: rgba(255, 215, 0, 0.3);
}

.credits-card:hover {
    border-color: #FFD700;
    box-shadow: 0 8px 24px rgba(255, 215, 0, 0.2);
}

.currency-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.currency-info {
    flex: 1;
}

.currency-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: var(--font-mono);
    margin-bottom: 0.25rem;
}

.currency-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.points-card .currency-value {
    color: var(--neon-cyan);
}

.credits-card .currency-value {
    color: #FFD700;
}

/* Quick Stats Grid */
.quick-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.quick-stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 1.5rem 1rem;
    text-align: center;
    transition: all var(--transition-normal);
}

.quick-stat-card:hover {
    background: var(--bg-tertiary);
    border-color: var(--neon-cyan);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.1);
}

.quick-stat-icon {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.quick-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-mono);
    display: block;
    margin-bottom: 0.25rem;
}

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

/* Recent Activity Section */
.recent-activity-section {
    margin-top: 2rem;
}

.section-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-primary);
}

.activity-timeline {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--neon-cyan);
}

.activity-dot {
    width: 10px;
    height: 10px;
    background: var(--neon-cyan);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--neon-cyan);
    flex-shrink: 0;
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.activity-time {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Stats Tab */
.stats-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.stat-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.stat-box-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-primary);
}

.stat-box-icon {
    font-size: 1.3rem;
}

.stat-box-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.stat-box-body {
    padding: 1rem 1.5rem;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-primary);
}

.stat-row:last-child {
    border-bottom: none;
}

.stat-row-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.stat-row-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--neon-cyan);
    font-family: var(--font-mono);
}

/* Customize & Achievements Notice */
.customize-notice,
.achievements-notice {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-left: 3px solid var(--neon-cyan);
    border-radius: var(--radius-md);
    padding: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.notice-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.notice-text strong {
    display: block;
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.notice-text p {
    color: var(--text-secondary);
    margin: 0;
}

/* Settings Groups */
.settings-groups {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.settings-group {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.settings-group-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    padding: 1rem 1.5rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-primary);
}

.setting-toggle-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-primary);
}

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

.setting-toggle-info {
    flex: 1;
}

.setting-toggle-label {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.setting-toggle-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Modern Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    transition: all var(--transition-normal);
    border-radius: 26px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: var(--text-muted);
    transition: all var(--transition-normal);
    border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--neon-cyan);
    border-color: var(--neon-cyan);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(24px);
    background-color: white;
}

/* Settings Link Button */
.settings-link-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: transparent;
    border: none;
    text-decoration: none;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.settings-link-btn:hover {
    background: var(--bg-tertiary);
}

.settings-link-btn .btn-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.btn-text-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
}

.btn-primary-text {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
}

.btn-secondary-text {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.settings-link-btn .btn-arrow {
    font-size: 1.5rem;
    color: var(--text-muted);
    transition: all var(--transition-normal);
}

.settings-link-btn:hover .btn-arrow {
    color: var(--neon-cyan);
    transform: translateX(5px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .player-menu-redesign {
        flex-direction: column;
        max-height: 95vh;
    }
    
    .menu-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-primary);
        max-height: 40vh;
    }
    
    .menu-sidebar-header {
        padding: 1.5rem 1rem;
    }
    
    .player-avatar-large {
        width: 60px;
        height: 60px;
    }
    
    .avatar-icon-large {
        font-size: 2rem;
    }
    
    .menu-nav {
        padding: 0.5rem 0;
    }
    
    .menu-nav-item {
        padding: 0.75rem 1rem;
    }
    
    .menu-main-content {
        flex: 1;
        overflow-y: auto;
    }
    
    .tab-content-modern {
        padding: 1.5rem 1rem;
    }
    
    .currency-cards {
        grid-template-columns: 1fr;
    }
    
    .quick-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .quick-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-content {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   CUSTOMIZATION SHOP STYLES
   ============================================================ */

/* Currency Display in Customize Tab */
.customize-currency {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
}

.currency-display {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    flex: 1;
}

.currency-display .currency-icon {
    font-size: 1.5rem;
}

.currency-amount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--neon-cyan);
    font-family: var(--font-mono);
}

.currency-display .currency-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Category Tabs */
.customize-categories {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-primary);
}

.customize-category-btn {
    flex: 1;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    color: var(--text-secondary);
    font-family: var(--font-primary);
    font-size: 1rem;
    position: relative;
    margin-bottom: -2px;
}

.customize-category-btn:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.customize-category-btn.active {
    color: var(--neon-cyan);
    border-bottom-color: var(--neon-cyan);
    background: var(--bg-secondary);
}

.customize-category-btn .category-icon {
    font-size: 1.3rem;
}

.customize-category-btn .category-label {
    font-weight: 500;
}

/* Customization Grid */
.customization-grid {
    display: none;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.customization-grid.active {
    display: grid;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Customization Item Card */
.customize-item {
    background: var(--bg-secondary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.customize-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.customize-item.equipped {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.customize-item.locked {
    opacity: 0.5;
    cursor: not-allowed;
}

.customize-item.locked:hover {
    transform: none;
}

/* Rarity Indicators */
.customize-item.rarity-common { border-top: 3px solid #8B949E; }
.customize-item.rarity-rare { border-top: 3px solid #58A6FF; }
.customize-item.rarity-epic { border-top: 3px solid #9900FF; }
.customize-item.rarity-legendary { border-top: 3px solid #FFD700; }

/* Item Header */
.item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.item-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.item-rarity {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: var(--font-mono);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
}

.item-rarity.common { 
    background: rgba(139, 148, 158, 0.2); 
    color: #8B949E; 
}
.item-rarity.rare { 
    background: rgba(88, 166, 255, 0.2); 
    color: #58A6FF; 
}
.item-rarity.epic { 
    background: rgba(153, 0, 255, 0.2); 
    color: #9900FF; 
}
.item-rarity.legendary { 
    background: rgba(255, 215, 0, 0.2); 
    color: #FFD700; 
}

/* Item Preview */
.item-preview {
    width: 100%;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.item-preview-color {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-bike {
    width: 40px;
    height: 20px;
    border-radius: 4px;
    border: 2px solid currentColor;
}

.preview-trail {
    width: 80%;
    height: 8px;
    border-radius: 2px;
}

.preview-effect {
    width: 80%;
    height: 8px;
    font-size: 2rem;
}

/* Item Description */
.item-description {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.4;
    min-height: 2.8em;
}

/* Item Footer */
.item-footer {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: auto;
}

.item-level {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.level-icon {
    font-size: 1rem;
}

.item-price {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: #FFD700;
    font-family: var(--font-mono);
}

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

/* Item Actions */
.item-actions {
    display: flex;
    gap: 0.5rem;
}

.item-btn {
    flex: 1;
    padding: 0.6rem 1rem;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: var(--font-primary);
}

.item-btn:hover {
    background: var(--bg-elevated);
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
}

.item-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.item-btn.btn-purchase {
    background: var(--neon-cyan);
    color: #000;
    border-color: var(--neon-cyan);
    font-weight: 600;
}

.item-btn.btn-purchase:hover {
    background: #00BFFF;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.4);
}

.item-btn.btn-equip {
    background: var(--neon-green);
    color: #000;
    border-color: var(--neon-green);
}

.item-btn.btn-equip:hover {
    background: #00FF44;
    box-shadow: 0 0 15px rgba(0, 255, 102, 0.4);
}

.item-btn.btn-equipped {
    background: transparent;
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    cursor: default;
}

.item-btn.btn-equipped:hover {
    background: transparent;
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
}

/* Status Badges */
.item-badge {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    padding: 0.25rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-equipped {
    background: var(--neon-cyan);
    color: #000;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.badge-owned {
    background: var(--neon-green);
    color: #000;
}

.badge-locked {
    background: rgba(255, 0, 68, 0.2);
    color: var(--neon-red);
    border: 1px solid var(--neon-red);
}

/* Loading State */
.customize-loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.customize-loading .loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--neon-cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

/* Empty State */
.customize-empty {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.customize-empty .empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* Responsive Customization Grid */
@media (max-width: 1024px) {
    .customization-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }
}

@media (max-width: 768px) {
    .customize-currency {
        flex-direction: column;
        gap: 1rem;
    }
    
    .customize-categories {
        flex-direction: column;
        gap: 0;
    }
    
    .customize-category-btn {
        border-bottom: none;
        border-left: 3px solid transparent;
        justify-content: flex-start;
        padding: 0.75rem 1rem;
    }
    
    .customize-category-btn.active {
        border-left-color: var(--neon-cyan);
        border-bottom-color: transparent;
    }
    
    .customization-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 0.75rem;
    }
}

@media (max-width: 480px) {
    .customization-grid {
        grid-template-columns: 1fr;
    }
}