/* ==================== BASE / RESET ==================== */
* { margin: 0; padding: 0; box-sizing: border-box; }
.hidden { display: none !important; }

:root {
    --primary: #00d4aa;
    --primary-dark: #00a888;
    --secondary: #00a8ff;
    --epa-blue: #3b82f6;
    --epa-blue-dark: #1e3a8a;
    --bg-dark: #0a0e1a;
    --bg-card: rgba(255, 255, 255, 0.06);
    --border-light: rgba(255, 255, 255, 0.12);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #0a0e1a 0%, #1a1f2e 100%);
    color: var(--text-primary);
    height: 100vh;
    height: 100dvh; /* use dynamic viewport height on mobile to account for browser chrome */
    overflow: hidden;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: rgba(255, 255, 255, 0.05); border-radius: 3px; }
::-webkit-scrollbar-thumb { background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%); border-radius: 3px; }

/* ==================== ANIMATIONS ==================== */
@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

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