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

:root {
    --bg-primary: #080a18;
    --bg-surface: rgba(12, 14, 32, 0.96);
    --bg-elevated: rgba(18, 21, 45, 0.98);
    --border-subtle: rgba(100, 120, 180, 0.15);
    --border-medium: rgba(100, 120, 180, 0.25);
    --text-primary: #e4eaf6;
    --text-secondary: #8892b0;
    --text-muted: #5a6380;
    --accent-cyan: #5ff5ff;
    --accent-violet: #7f8bff;
    --accent-pink: #ff6ff2;
    --accent-gradient: linear-gradient(135deg, #5ff5ff, #7f8bff, #ff6ff2);
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideFade {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.03); }
    100% { transform: scale(1); }
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(100, 120, 180, 0.3);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(100, 120, 180, 0.5);
}