/* High-Performance Standalone Modern UI (Tailwind-Optimized, No Runtime Delay) */
*, ::before, ::after {
    box-sizing: border-box;
    border-width: 0;
    border-style: solid;
    border-color: #1f293d;
    margin: 0;
    padding: 0;
}

:root {
    --bg-base: #0b0f19;
    --bg-card: #111827;
    --bg-input: #161f30;
    --bg-border: #1f293d;
    --bg-hover: #1e293b;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --primary-glow: rgba(59, 130, 246, 0.25);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --success: #10b981;
}

body {
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-base);
    color: var(--text-main);
    min-height: 100vh;
    background-image: radial-gradient(ellipse 80% 80% at 50% -20%, rgba(59, 130, 246, 0.15), rgba(255, 255, 255, 0));
    background-attachment: fixed;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.6);
}
::-webkit-scrollbar-thumb {
    background: rgba(59, 130, 246, 0.3);
    border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(59, 130, 246, 0.6);
}

/* Slider Controls */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    background: #1e293b;
    border-radius: 9999px;
    height: 6px;
    outline: none;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #3b82f6;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.6);
    transition: transform 0.15s ease;
}
input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Animation utilities */
@keyframes pulseGlow {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.05); }
}
.pulse-badge {
    animation: pulseGlow 2.5s infinite;
}