:root{--color-bg: #0a0a0f;--color-bg-secondary: #12121a;--color-surface: #1a1a25;--color-surface-light: #252535;--color-border: #2a2a3a;--color-primary: #00d4ff;--color-primary-glow: rgba(0, 212, 255, .3);--color-secondary: #ff00aa;--color-secondary-glow: rgba(255, 0, 170, .3);--color-accent: #ffcc00;--color-accent-glow: rgba(255, 204, 0, .3);--gradient-primary: linear-gradient(135deg, #00d4ff 0%, #0066ff 100%);--gradient-secondary: linear-gradient(135deg, #ff00aa 0%, #7700ff 100%);--gradient-gold: linear-gradient(135deg, #ffcc00 0%, #ff8800 100%);--gradient-dark: linear-gradient(180deg, #12121a 0%, #0a0a0f 100%);--color-text: #ffffff;--color-text-muted: #a0a0b0;--color-text-dim: #606070;--color-success: #00ff88;--color-warning: #ffaa00;--color-error: #ff4444;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--spacing-3xl: 64px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .5);--shadow-neon-primary: 0 0 20px var(--color-primary-glow), 0 0 40px var(--color-primary-glow);--shadow-neon-secondary: 0 0 20px var(--color-secondary-glow), 0 0 40px var(--color-secondary-glow);--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-size-xs: 12px;--font-size-sm: 14px;--font-size-base: 16px;--font-size-lg: 18px;--font-size-xl: 20px;--font-size-2xl: 24px;--font-size-3xl: 32px;--font-size-4xl: 40px;--font-size-5xl: 48px;--transition-fast: .15s ease;--transition-base: .3s ease;--transition-slow: .5s 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.lang-arrow{transform:rotate(180deg)}.lang-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-sm);min-width:200px;max-height:300px;overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-10px);transition:all var(--transition-fast);box-shadow:var(--shadow-lg)}.lang-switcher.open .lang-dropdown{opacity:1;visibility:visible;transform:translateY(0)}.lang-option{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);cursor:pointer;transition:all 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