:root{--color-bg-primary: #0f0f13;--color-bg-secondary: #1a1a22;--color-bg-tertiary: #2a2a35;--color-bg-elevated: #323240;--color-accent-primary: #8b5cf6;--color-accent-primary-hover: #9d75f8;--color-accent-primary-glow: rgba(139, 92, 246, .35);--color-accent-secondary: #6366f1;--color-accent-streak: #f59e0b;--color-accent-streak-glow: rgba(245, 158, 11, .35);--color-correct: #10b981;--color-correct-glow: rgba(16, 185, 129, .3);--color-error: #f43f5e;--color-error-bg: rgba(244, 63, 94, .18);--color-error-glow: rgba(244, 63, 94, .35);--color-text-primary: #e2e8f0;--color-text-secondary: #94a3b8;--color-text-ghost: #475569;--color-text-dim: #334155;--border-subtle: 1px solid rgba(255, 255, 255, .08);--border-active: 1px solid rgba(139, 92, 246, .4);--border-focus: 1px solid #8b5cf6;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-16: 64px;--space-20: 80px;--space-24: 96px;--font-mono: "JetBrains Mono", "Fira Code", monospace;--font-sans: "Inter", system-ui, -apple-system, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.375rem;--font-size-2xl: 1.75rem;--font-size-3xl: 2.25rem;--font-size-4xl: 3.25rem;--font-size-5xl: 4.5rem;--radius-xs: 4px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 20px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 35px rgba(0, 0, 0, .5);--shadow-glow: 0 0 24px var(--color-accent-primary-glow);--shadow-streak-glow: 0 0 24px var(--color-accent-streak-glow);--transition-fast: .1s cubic-bezier(.4, 0, .2, 1);--transition-base: .2s cubic-bezier(.4, 0, .2, 1);--transition-smooth: .3s cubic-bezier(.16, 1, .3, 1);--transition-slow: .5s cubic-bezier(.16, 1, .3, 1);--glass-bg: rgba(26, 26, 34, .75);--glass-bg-subtle: rgba(26, 26, 34, .45);--glass-blur: blur(16px);--glass-border: 1px solid rgba(255, 255, 255, .08)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{color-scheme:dark;font-family:var(--font-sans);background-color:var(--color-bg-primary);color:var(--color-text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{min-height:100vh;background-color:var(--color-bg-primary);overflow-x:hidden;line-height:1.5}::selection{background:#8b5cf659;color:#fff}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--color-bg-primary)}::-webkit-scrollbar-thumb{background:var(--color-bg-tertiary);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-accent-primary)}button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit;outline:none}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--color-accent-primary);outline-offset:2px}input{font-family:inherit;color:inherit}.glass-panel{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:var(--glass-border);box-shadow:var(--shadow-md)}[data-theme=waterglass] .glass-panel{background:#0a192973;backdrop-filter:blur(28px) saturate(190%);-webkit-backdrop-filter:blur(28px) saturate(190%);border:1px solid rgba(255,255,255,.16);box-shadow:0 16px 40px #00081480,inset 0 1px #ffffff38,inset 0 0 20px #38bdf80d}[data-theme=waterglass] ::selection{background:#38bdf859;color:#f0f9ff}@keyframes caretBlink{0%,to{opacity:1}50%{opacity:0}}@keyframes pulseGlow{0%,to{box-shadow:0 0 15px #8b5cf633}50%{box-shadow:0 0 25px #8b5cf673}}@keyframes pulseWarning{0%,to{color:var(--color-error);text-shadow:0 0 10px var(--color-error-glow)}50%{color:var(--color-accent-streak);text-shadow:0 0 18px var(--color-accent-streak-glow)}}.animate-pulse-warning{animation:pulseWarning 1s infinite ease-in-out}@media(max-width:768px){.desktop-nav{display:none!important}.mobile-menu-btn{display:flex!important}}