/* ============================================
   MindSovereign - Ultra Enhanced CSS
   Thousands of lines of advanced styling
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700;800;900&family=Rajdhani:wght@300;400;500;600;700&display=swap');

/* ============================================
   CSS Variables & Design Tokens
   ============================================ */

:root {
    /* Color Palette - Primary */
    --bg-primary: #0a0e1a;
    --bg-secondary: #14192e;
    --bg-tertiary: #1a2342;
    --bg-card: rgba(20, 25, 46, 0.85);
    --bg-card-hover: rgba(25, 32, 58, 0.95);
    --bg-card-active: rgba(30, 40, 70, 1);
    --bg-overlay: rgba(10, 14, 26, 0.95);
    
    /* Accent Colors */
    --accent-cyan: #00d9ff;
    --accent-cyan-dark: #00a8cc;
    --accent-cyan-light: #33e5ff;
    --accent-purple: #b347ff;
    --accent-purple-dark: #8a35cc;
    --accent-purple-light: #c766ff;
    --accent-green: #00ff9f;
    --accent-green-dark: #00cc7f;
    --accent-green-light: #33ffb3;
    --accent-gold: #ffd700;
    --accent-gold-dark: #ccaa00;
    --accent-gold-light: #ffeb3d;
    --accent-red: #ff4444;
    --accent-orange: #ff8800;
    --accent-pink: #ff6b9d;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b8c5d6;
    --text-tertiary: #8a9bb0;
    --text-muted: #6b7a95;
    --text-disabled: #4a5568;
    
    /* Border & Divider */
    --border: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(255, 255, 255, 0.2);
    --border-active: rgba(0, 217, 255, 0.4);
    --border-glow: rgba(0, 217, 255, 0.3);
    --divider: rgba(255, 255, 255, 0.05);
    
    /* Shadows */
    --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px rgba(0, 217, 255, 0.4);
    --shadow-glow-strong: 0 0 40px rgba(0, 217, 255, 0.6);
    --shadow-glow-purple: 0 0 30px rgba(179, 71, 255, 0.5);
    --shadow-glow-green: 0 0 30px rgba(0, 255, 159, 0.5);
    --shadow-glow-gold: 0 0 30px rgba(255, 215, 0, 0.5);
    --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.3);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-bounce: 400ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Z-Index Layers */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 1000;
    --z-tooltip: 1100;
    --z-notification: 1200;
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(0, 217, 255, 0.12), transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(179, 71, 255, 0.12), transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(0, 255, 159, 0.08), transparent 50%),
        radial-gradient(circle at 10% 80%, rgba(255, 215, 0, 0.05), transparent 40%);
    background-attachment: fixed;
    background-size: 100% 100%;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 217, 255, 0.03) 2px, rgba(0, 217, 255, 0.03) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(179, 71, 255, 0.03) 2px, rgba(179, 71, 255, 0.03) 4px);
    pointer-events: none;
    z-index: 0;
}

/* ============================================
   Utility Classes
   ============================================ */

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============================================
   Landing Screen - Enhanced
   ============================================ */

#landing {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--spacing-xl);
    z-index: var(--z-base);
    overflow: hidden;
}

.landing-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

.hex-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 40px, rgba(0, 217, 255, 0.04) 40px, rgba(0, 217, 255, 0.04) 42px),
        repeating-linear-gradient(60deg, transparent, transparent 40px, rgba(179, 71, 255, 0.04) 40px, rgba(179, 71, 255, 0.04) 42px),
        repeating-linear-gradient(120deg, transparent, transparent 40px, rgba(0, 255, 159, 0.04) 40px, rgba(0, 255, 159, 0.04) 42px);
    opacity: 0.6;
    animation: patternShift 20s linear infinite;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: floatOrb 25s ease-in-out infinite;
    will-change: transform;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--accent-cyan);
    top: -150px;
    left: -150px;
    animation-delay: 0s;
}

.orb-2 {
    width: 450px;
    height: 450px;
    background: var(--accent-purple);
    bottom: -150px;
    right: -150px;
    animation-delay: -8s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: var(--accent-green);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -16s;
    opacity: 0.3;
}

.landing-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    width: 100%;
    animation: fadeInUp 1s ease-out;
}

.logo-container {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    position: relative;
}

.logo-hex {
    position: relative;
    width: 160px;
    height: 160px;
    margin: 0 auto var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    filter: drop-shadow(0 0 40px rgba(0, 217, 255, 0.5));
}

.logo-core {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple), var(--accent-green));
    background-size: 200% 200%;
    clip-path: polygon(25% 7%, 75% 7%, 100% 50%, 75% 93%, 25% 93%, 0% 50%);
    box-shadow: 
        0 0 40px rgba(0, 217, 255, 0.6),
        0 0 80px rgba(179, 71, 255, 0.4),
        inset 0 0 20px rgba(255, 255, 255, 0.1);
    animation: pulseGlow 3s ease-in-out infinite, gradientShift 8s ease infinite;
    position: relative;
    z-index: 2;
}

.logo-core::before {
    content: '';
    position: absolute;
    inset: -10px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    clip-path: polygon(25% 7%, 75% 7%, 100% 50%, 75% 93%, 25% 93%, 0% 50%);
    opacity: 0.3;
    filter: blur(15px);
    z-index: -1;
    animation: pulseGlow 3s ease-in-out infinite;
}

.logo-ring {
    position: absolute;
    border: 2px solid;
    border-radius: 50%;
    opacity: 0.4;
    animation: expandRing 4s ease-in-out infinite;
}

.logo-ring.r1 {
    width: 120px;
    height: 120px;
    border-color: var(--accent-cyan);
    animation-delay: 0s;
}

.logo-ring.r2 {
    width: 140px;
    height: 140px;
    border-color: var(--accent-purple);
    animation-delay: 0.5s;
}

.logo-ring.r3 {
    width: 160px;
    height: 160px;
    border-color: var(--accent-green);
    animation-delay: 1s;
}

.game-title {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple), var(--accent-green), var(--accent-cyan));
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(0, 217, 255, 0.5);
    letter-spacing: 3px;
    animation: gradientShift 6s ease infinite, titleGlow 3s ease-in-out infinite;
    position: relative;
}

.game-title::after {
    content: 'MindSovereign';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: blur(10px);
    opacity: 0.5;
    z-index: -1;
    animation: gradientShift 6s ease infinite;
}

.game-tagline {
    color: var(--text-secondary);
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    opacity: 0.9;
    animation: fadeIn 1.5s ease-out 0.5s both;
}

/* ============================================
   Auth Panel - Enhanced
   ============================================ */

.auth-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    backdrop-filter: blur(20px) saturate(180%);
    position: relative;
    overflow: hidden;
    animation: slideUp 0.8s ease-out 0.3s both;
}

.auth-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
}

.auth-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.auth-tab {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.auth-tab::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.auth-tab:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.auth-tab.active {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: var(--text-primary);
    border-color: transparent;
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.auth-tab.active::before {
    opacity: 1;
}

.auth-tab span {
    position: relative;
    z-index: 1;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    animation: fadeIn 0.5s ease-out;
}

.auth-form input {
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-base);
    position: relative;
}

.auth-form input::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.auth-form input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 
        0 0 0 4px rgba(0, 217, 255, 0.15),
        var(--shadow-glow);
    transform: translateY(-1px);
}

.auth-form input:hover:not(:focus) {
    border-color: var(--border-hover);
    background: rgba(255, 255, 255, 0.07);
}

/* ============================================
   Buttons - Comprehensive System
   ============================================ */

.btn-primary {
    padding: var(--spacing-md) var(--spacing-2xl);
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1rem;
    font-family: 'Orbitron', sans-serif;
    cursor: pointer;
    box-shadow: var(--shadow-glow), var(--shadow-md);
    transition: all var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.btn-primary::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 0.6s, height 0.6s;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-glow-strong), var(--shadow-lg);
    background: linear-gradient(135deg, var(--accent-cyan-light), var(--accent-purple-light));
}

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

.btn-primary:active {
    transform: translateY(-1px) scale(0.98);
    box-shadow: var(--shadow-glow), var(--shadow-sm);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-primary.btn-large {
    padding: var(--spacing-lg) var(--spacing-3xl);
    font-size: 1.15rem;
}

.btn-secondary {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary:hover::before {
    opacity: 0.1;
}

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

.btn-icon {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.3rem;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.btn-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-cyan);
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-glow);
    color: var(--text-primary);
}

.btn-icon:hover::before {
    opacity: 0.2;
}

.btn-icon:active {
    transform: scale(1.05) rotate(0deg);
}

.status-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-size: 0.9rem;
    font-weight: 500;
    min-height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: slideDown 0.3s ease-out;
    transition: all var(--transition-base);
}

.status-message.error {
    background: rgba(255, 68, 68, 0.15);
    color: var(--accent-red);
    border: 1px solid rgba(255, 68, 68, 0.3);
    box-shadow: 0 0 20px rgba(255, 68, 68, 0.2);
}

.status-message.success {
    background: rgba(0, 255, 159, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(0, 255, 159, 0.3);
    box-shadow: 0 0 20px rgba(0, 255, 159, 0.2);
}

/* ============================================
   Game Interface - Navigation
   ============================================ */

#game {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: var(--z-base);
}

.top-nav {
    background: var(--bg-card);
    border-bottom: 2px solid var(--border);
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    backdrop-filter: blur(20px) saturate(180%);
    transition: all var(--transition-base);
}

.top-nav::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple), var(--accent-green));
    opacity: 0.5;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 1.35rem;
    color: var(--accent-cyan);
    text-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
    transition: all var(--transition-base);
}

.nav-logo:hover {
    color: var(--accent-purple);
    text-shadow: 0 0 20px rgba(179, 71, 255, 0.5);
    transform: scale(1.05);
}

.mini-hex {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    clip-path: polygon(25% 7%, 75% 7%, 100% 50%, 75% 93%, 25% 93%, 0% 50%);
    box-shadow: 0 0 15px rgba(0, 217, 255, 0.6);
    animation: rotateHex 10s linear infinite;
}

.nav-center {
    display: flex;
    gap: var(--spacing-sm);
    flex: 1;
    justify-content: center;
    flex-wrap: wrap;
}

.nav-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
    overflow: hidden;
}

.nav-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.nav-btn .icon {
    font-size: 1.2rem;
    transition: transform var(--transition-base);
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--accent-cyan);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.nav-btn:hover .icon {
    transform: scale(1.2) rotate(10deg);
}

.nav-btn:hover::before {
    opacity: 0.1;
}

.nav-btn.active {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: var(--text-primary);
    border-color: transparent;
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.nav-btn.active::before {
    opacity: 1;
}

.nav-btn.active .icon {
    transform: scale(1.15);
    filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.5));
}

.nav-right {
    display: flex;
    gap: var(--spacing-sm);
}

/* ============================================
   Resource Bar - Enhanced
   ============================================ */

.resource-bar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    box-shadow: var(--shadow-sm);
    position: relative;
    backdrop-filter: blur(10px);
}

.resource-bar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), var(--accent-purple), transparent);
    opacity: 0.3;
}

.resource-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.resource-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.resource-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.resource-item:hover::before {
    opacity: 0.1;
}

.resource-icon {
    font-size: 1.4rem;
    filter: drop-shadow(0 0 5px rgba(0, 217, 255, 0.5));
    transition: transform var(--transition-base);
    position: relative;
    z-index: 1;
}

.resource-item:hover .resource-icon {
    transform: scale(1.2) rotate(10deg);
}

.resource-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    z-index: 1;
}

.resource-value {
    color: var(--accent-cyan);
    font-weight: 700;
    font-size: 1.1rem;
    font-family: 'Orbitron', sans-serif;
    text-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
    position: relative;
    z-index: 1;
    transition: all var(--transition-base);
}

.resource-item:hover .resource-value {
    color: var(--accent-cyan-light);
    transform: scale(1.1);
}

.btn-sync {
    margin-left: auto;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(0, 217, 255, 0.1);
    border: 2px solid var(--accent-cyan);
    border-radius: var(--radius-md);
    color: var(--accent-cyan);
    cursor: pointer;
    font-size: 1.2rem;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.btn-sync:hover {
    background: rgba(0, 217, 255, 0.2);
    transform: rotate(180deg) scale(1.1);
    box-shadow: var(--shadow-glow);
}

.btn-sync:active {
    transform: rotate(360deg) scale(0.95);
}

/* ============================================
   Game Content Area
   ============================================ */

.game-content {
    flex: 1;
    padding: var(--spacing-2xl);
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
    position: relative;
    z-index: var(--z-base);
}

.view-panel {
    display: none;
    animation: fadeIn 0.4s ease-out;
}

.view-panel.active {
    display: block;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border);
    position: relative;
}

.panel-header::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-cyan), transparent);
}

.panel-header h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(0, 217, 255, 0.3);
    letter-spacing: 1px;
}

.panel-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ============================================
   Hex Map - Enhanced Visualization
   ============================================ */

.map-container {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.map-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple), var(--accent-green));
}

.hex-map {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    min-height: 500px;
    padding: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    position: relative;
}

.hex-map::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 217, 255, 0.05), transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(179, 71, 255, 0.05), transparent 50%);
    pointer-events: none;
}

.hex-tile {
    aspect-ratio: 0.866;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.hex-tile::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent, rgba(0, 217, 255, 0.1));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.hex-tile::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.hex-tile:hover {
    transform: translateY(-6px) scale(1.05) rotate(2deg);
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    z-index: 10;
}

.hex-tile:hover::before {
    opacity: 1;
}

.hex-tile:hover::after {
    opacity: 1;
    animation: shimmerTile 1.5s ease-in-out infinite;
}

.hex-tile.plains {
    background: linear-gradient(135deg, rgba(139, 195, 74, 0.25), rgba(76, 175, 80, 0.25));
    border-color: rgba(139, 195, 74, 0.5);
}

.hex-tile.plains:hover {
    box-shadow: 0 0 30px rgba(139, 195, 74, 0.6), var(--shadow-lg);
}

.hex-tile.library {
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.25), rgba(25, 118, 210, 0.25));
    border-color: rgba(33, 150, 243, 0.5);
}

.hex-tile.library:hover {
    box-shadow: 0 0 30px rgba(33, 150, 243, 0.6), var(--shadow-lg);
}

.hex-tile.quiz_hall {
    background: linear-gradient(135deg, rgba(156, 39, 176, 0.25), rgba(123, 31, 162, 0.25));
    border-color: rgba(156, 39, 176, 0.5);
}

.hex-tile.quiz_hall:hover {
    box-shadow: 0 0 30px rgba(156, 39, 176, 0.6), var(--shadow-lg);
}

.hex-tile.mountain {
    background: linear-gradient(135deg, rgba(158, 158, 158, 0.25), rgba(97, 97, 97, 0.25));
    border-color: rgba(158, 158, 158, 0.5);
}

.hex-tile.mountain:hover {
    box-shadow: 0 0 30px rgba(158, 158, 158, 0.6), var(--shadow-lg);
}

.hex-tile.resource {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.25), rgba(255, 152, 0, 0.25));
    border-color: rgba(255, 193, 7, 0.5);
    animation: resourcePulse 3s ease-in-out infinite;
}

.hex-tile.resource:hover {
    box-shadow: 0 0 40px rgba(255, 193, 7, 0.8), var(--shadow-lg);
}

.hex-coords {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
    font-family: 'Orbitron', sans-serif;
    font-weight: 500;
    position: relative;
    z-index: 1;
}

.hex-type {
    font-weight: 700;
    font-size: 0.95rem;
    text-transform: capitalize;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 1;
}

.hex-building {
    font-size: 0.85rem;
    color: var(--accent-gold);
    font-weight: 600;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
    position: relative;
    z-index: 1;
}

.map-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

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

.control-group label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
}

.input-row {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    align-items: center;
}

.input-row input,
.input-row select {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all var(--transition-base);
    flex: 1;
    min-width: 120px;
}

.input-row input:focus,
.input-row select:focus {
    outline: none;
    border-color: var(--accent-cyan);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.2), var(--shadow-glow);
    transform: translateY(-1px);
}

.input-row input:hover:not(:focus),
.input-row select:hover:not(:focus) {
    border-color: var(--border-hover);
    background: rgba(255, 255, 255, 0.07);
}

.announcements-panel {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

.announcements-panel h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--accent-cyan);
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    text-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
}

.announcement-item {
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.announcement-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--accent-cyan), var(--accent-purple));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.announcement-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--accent-cyan);
    transform: translateX(4px);
    box-shadow: var(--shadow-glow);
}

.announcement-item:hover::before {
    opacity: 1;
}

.announcement-item h4 {
    color: var(--accent-purple);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
    font-weight: 700;
}

.announcement-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.announcement-item small {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-style: italic;
}

/* ============================================
   Duel Arena - Enhanced
   ============================================ */

.duel-container {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.duel-container::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 30% 30%, rgba(0, 217, 255, 0.1), transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(179, 71, 255, 0.1), transparent 50%);
    pointer-events: none;
}

.duel-status {
    text-align: center;
    width: 100%;
}

.status-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-2xl);
}

.status-icon {
    font-size: 5rem;
    animation: pulseIcon 2s ease-in-out infinite;
    filter: drop-shadow(0 0 30px rgba(0, 217, 255, 0.6));
}

.status-text {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.duel-question {
    width: 100%;
    max-width: 900px;
    animation: fadeInScale 0.5s ease-out;
}

.question-header {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    justify-content: center;
    flex-wrap: wrap;
}

.category-badge,
.difficulty-badge {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.category-badge {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

.difficulty-badge {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    border: 2px solid var(--border);
}

.question-text {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
    color: var(--text-primary);
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-inner);
}

.answers-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.answer-btn {
    padding: var(--spacing-lg) var(--spacing-xl);
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.answer-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.answer-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-cyan);
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-glow), var(--shadow-md);
}

.answer-btn:hover::before {
    opacity: 0.1;
}

.answer-btn:active {
    transform: translateY(-1px) scale(0.98);
}

.answer-btn.correct {
    background: linear-gradient(135deg, var(--accent-green), rgba(0, 255, 159, 0.8));
    border-color: var(--accent-green);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow-green), var(--shadow-lg);
    animation: correctPulse 0.5s ease-out;
}

.answer-btn.incorrect {
    background: linear-gradient(135deg, var(--accent-red), rgba(255, 68, 68, 0.8));
    border-color: var(--accent-red);
    color: var(--text-primary);
    box-shadow: 0 0 30px rgba(255, 68, 68, 0.6), var(--shadow-lg);
    animation: shake 0.5s ease-out;
}

.answer-btn:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.duel-timer {
    text-align: center;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-gold);
    font-family: 'Orbitron', sans-serif;
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.6);
    padding: var(--spacing-md);
    background: rgba(255, 215, 0, 0.1);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 215, 0, 0.3);
}

/* ============================================
   Thinkers View - Enhanced Cards
   ============================================ */

.thinkers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.thinker-card {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.thinker-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple), var(--accent-green));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.thinker-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.05), rgba(179, 71, 255, 0.05));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.thinker-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-glow), var(--shadow-xl);
    border-color: var(--accent-cyan);
}

.thinker-card:hover::before {
    opacity: 1;
}

.thinker-card:hover::after {
    opacity: 1;
}

.thinker-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.thinker-icon {
    font-size: 3.5rem;
    filter: drop-shadow(0 0 15px rgba(0, 217, 255, 0.5));
    transition: transform var(--transition-base);
}

.thinker-card:hover .thinker-icon {
    transform: scale(1.2) rotate(10deg);
}

.thinker-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-family: 'Orbitron', sans-serif;
}

.thinker-info .thinker-type {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.thinker-level {
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--accent-gold);
    font-weight: 600;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
    position: relative;
    z-index: 1;
}

.thinker-bonus {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(0, 217, 255, 0.1);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    border: 1px solid rgba(0, 217, 255, 0.2);
    position: relative;
    z-index: 1;
}

.thinker-bonus strong {
    color: var(--accent-cyan);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.thinker-shop {
    margin-top: var(--spacing-2xl);
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
}

.thinker-shop h3 {
    margin-bottom: var(--spacing-xl);
    color: var(--accent-purple);
    font-family: 'Orbitron', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
}

.shop-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.shop-item {
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.shop-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.shop-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--accent-cyan);
    transform: translateY(-4px) scale(1.03);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
}

.shop-item:hover::before {
    opacity: 0.1;
}

/* ============================================
   Alliance View - Enhanced
   ============================================ */

.alliance-container {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

.alliance-info {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--border);
}

.alliance-name {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-cyan);
    margin-bottom: var(--spacing-sm);
    font-family: 'Orbitron', sans-serif;
    text-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
}

.alliance-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(0, 217, 255, 0.2);
    border: 2px solid var(--accent-cyan);
    border-radius: var(--radius-md);
    color: var(--accent-cyan);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 2px;
    box-shadow: var(--shadow-glow);
}

.alliance-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

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

.stat-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--accent-cyan);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-cyan);
    font-family: 'Orbitron', sans-serif;
    text-shadow: 0 0 15px rgba(0, 217, 255, 0.5);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.alliance-members {
    margin-bottom: var(--spacing-xl);
}

.alliance-contribute {
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.alliance-contribute h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--accent-purple);
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
}

/* ============================================
   Battle Pass - Enhanced
   ============================================ */

.battlepass-container {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

.bp-progress {
    margin-bottom: var(--spacing-3xl);
    text-align: center;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.bp-level {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: var(--spacing-lg);
    font-family: 'Orbitron', sans-serif;
    text-shadow: 0 0 30px rgba(255, 215, 0, 0.6);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.bp-xp {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

.xp-bar {
    width: 100%;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 3px solid var(--border);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-inner);
}

.xp-bar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shimmerBar 2s ease-in-out infinite;
}

.xp-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple), var(--accent-green));
    background-size: 200% 100%;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 0 20px rgba(0, 217, 255, 0.6),
        inset 0 0 10px rgba(255, 255, 255, 0.3);
    animation: gradientShift 3s ease infinite;
    position: relative;
    overflow: hidden;
}

.xp-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmerFill 2s ease-in-out infinite;
}

#xp-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    font-family: 'Orbitron', sans-serif;
}

.bp-tracks {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.bp-track {
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid var(--border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.bp-track:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.bp-track.premium {
    border-color: var(--accent-gold);
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.15), rgba(255, 215, 0, 0.05));
    box-shadow: var(--shadow-glow-gold);
}

.bp-track.premium:hover {
    box-shadow: var(--shadow-glow-gold), var(--shadow-lg);
}

.bp-track h3 {
    margin-bottom: var(--spacing-xl);
    color: var(--accent-cyan);
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.bp-track.premium h3 {
    color: var(--accent-gold);
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

.bp-tiers {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-height: 600px;
    overflow-y: auto;
    padding-right: var(--spacing-sm);
}

.bp-tiers::-webkit-scrollbar {
    width: 8px;
}

.bp-tiers::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
}

.bp-tiers::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--accent-cyan), var(--accent-purple));
    border-radius: var(--radius-full);
}

.bp-tiers::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--accent-cyan-light), var(--accent-purple-light));
}

.bp-tier {
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.bp-tier::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--accent-cyan), var(--accent-purple));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.bp-tier.claimed {
    opacity: 0.5;
    background: rgba(255, 255, 255, 0.02);
}

.bp-tier.available {
    border-color: var(--accent-green);
    background: rgba(0, 255, 159, 0.15);
    box-shadow: var(--shadow-glow-green);
    animation: availablePulse 2s ease-in-out infinite;
}

.bp-tier.available::before {
    opacity: 1;
}

.bp-tier:hover:not(.claimed) {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-cyan);
    transform: translateX(4px);
    box-shadow: var(--shadow-glow);
}

.tier-number {
    font-weight: 700;
    color: var(--accent-cyan);
    min-width: 50px;
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    text-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
}

.tier-reward {
    flex: 1;
    margin-left: var(--spacing-lg);
    color: var(--text-secondary);
    font-weight: 500;
}

.tier-claim-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, var(--accent-green), rgba(0, 255, 159, 0.8));
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-glow-green);
}

.tier-claim-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow-green), var(--shadow-md);
}

.tier-claim-btn:active {
    transform: scale(0.95);
}

/* ============================================
   Modal System - Enhanced
   ============================================ */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease-out;
}

.modal {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    max-width: 700px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-xl), var(--shadow-glow-strong);
    animation: slideUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    backdrop-filter: blur(20px) saturate(180%);
}

.modal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple), var(--accent-green));
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border);
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    line-height: 1;
    font-weight: 300;
}

.modal-close:hover {
    background: rgba(255, 0, 0, 0.2);
    border-color: var(--accent-red);
    transform: rotate(90deg) scale(1.1);
    box-shadow: 0 0 20px rgba(255, 68, 68, 0.5);
}

.modal-content {
    margin-top: var(--spacing-lg);
}

/* ============================================
   Animations - Comprehensive Set
   ============================================ */

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

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

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 30px rgba(0, 217, 255, 0.6), 0 0 80px rgba(179, 71, 255, 0.4);
    }
    50% {
        box-shadow: 0 0 50px rgba(0, 217, 255, 1), 0 0 100px rgba(179, 71, 255, 0.6);
    }
}

@keyframes pulseIcon {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 0 30px rgba(0, 217, 255, 0.6));
    }
    50% {
        transform: scale(1.15);
        filter: drop-shadow(0 0 50px rgba(0, 217, 255, 1));
    }
}

@keyframes expandRing {
    0% {
        transform: scale(0.8);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.3);
        opacity: 0.2;
    }
    100% {
        transform: scale(0.8);
        opacity: 0.8;
    }
}

@keyframes floatOrb {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(50px, -50px) rotate(90deg);
    }
    50% {
        transform: translate(-30px, 30px) rotate(180deg);
    }
    75% {
        transform: translate(30px, 50px) rotate(270deg);
    }
}

@keyframes patternShift {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(40px, 40px);
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes titleGlow {
    0%, 100% {
        text-shadow: 0 0 40px rgba(0, 217, 255, 0.5);
    }
    50% {
        text-shadow: 0 0 60px rgba(0, 217, 255, 0.8), 0 0 80px rgba(179, 71, 255, 0.5);
    }
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

@keyframes shimmerTile {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
        opacity: 0;
    }
}

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

@keyframes shimmerFill {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

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

@keyframes resourcePulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(255, 193, 7, 0.4);
    }
    50% {
        box-shadow: 0 0 40px rgba(255, 193, 7, 0.8);
    }
}

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

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

@keyframes availablePulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 255, 159, 0.4);
    }
    50% {
        box-shadow: 0 0 40px rgba(0, 255, 159, 0.8);
    }
}

/* ============================================
   Responsive Design - Comprehensive
   ============================================ */

@media (max-width: 1200px) {
    .bp-tracks {
        grid-template-columns: 1fr;
    }
    
    .answers-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }
    
    .top-nav {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }
    
    .nav-center {
        width: 100%;
        justify-content: space-between;
    }
    
    .nav-btn {
        font-size: 0.8rem;
        padding: var(--spacing-xs) var(--spacing-md);
        flex: 1;
    }
    
    .nav-btn .icon {
        font-size: 1rem;
    }
    
    .resource-bar {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }
    
    .resource-item {
        justify-content: space-between;
    }
    
    .btn-sync {
        margin-left: 0;
        width: 100%;
    }
    
    .game-content {
        padding: var(--spacing-md);
    }
    
    .panel-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .panel-actions {
        width: 100%;
    }
    
    .thinkers-grid {
        grid-template-columns: 1fr;
    }
    
    .shop-grid {
        grid-template-columns: 1fr;
    }
    
    .alliance-stats {
        grid-template-columns: 1fr;
    }
    
    .hex-map {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: var(--spacing-md);
    }
    
    .input-row {
        flex-direction: column;
    }
    
    .input-row input,
    .input-row select {
        width: 100%;
    }
    
    .modal {
        width: 95%;
        padding: var(--spacing-lg);
    }
    
    .duel-container {
        padding: var(--spacing-lg);
    }
    
    .question-text {
        font-size: 1.1rem;
    }
    
    .answer-btn {
        padding: var(--spacing-md);
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .landing-content {
        padding: var(--spacing-md);
    }
    
    .logo-hex {
        width: 120px;
        height: 120px;
    }
    
    .logo-core {
        width: 80px;
        height: 80px;
    }
    
    .game-title {
        font-size: 2rem;
    }
    
    .auth-panel {
        padding: var(--spacing-lg);
    }
    
    .nav-btn span:not(.icon) {
        display: none;
    }
    
    .nav-btn {
        min-width: 44px;
        justify-content: center;
    }
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    body {
        background: white;
        color: black;
    }
    
    .top-nav,
    .resource-bar,
    .btn-primary,
    .btn-secondary,
    .btn-icon {
        display: none;
    }
}

/* ============================================
   Accessibility Enhancements
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

:focus-visible {
    outline: 3px solid var(--accent-cyan);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* ============================================
   Dark Mode Support (Future)
   ============================================ */

@media (prefers-color-scheme: dark) {
    /* Already dark by default, but can add variations */
}

/* ============================================
   High Contrast Mode Support
   ============================================ */

@media (prefers-contrast: high) {
    :root {
        --border: rgba(255, 255, 255, 0.3);
        --text-secondary: #d0d8e8;
    }
}

/* ============================================
   End of Stylesheet
   ============================================ */