:root {
    /* Color Tokens (Jakarta PPDB theme: Navy Blue, Green, Yellow) */
    --primary-blue: #0f172a;
    --navy-dki: #002d62;
    --green-dki: #00875a;
    --green-bright: #00a86b;
    --accent-yellow: #fbc02d;
    --accent-yellow-light: #fff59d;
    
    /* Background Gradient (Modern Mesh Gradient) */
    --bg-mesh: radial-gradient(at 0% 0%, #e8f5e9 0px, transparent 50%), 
               radial-gradient(at 100% 0%, #e3f2fd 0px, transparent 50%), 
               radial-gradient(at 50% 100%, #c8e6c9 0px, transparent 50%), 
               #f1f5f9;

    /* Glassmorphism Details */
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.08);
    
    /* Typography & Spacing */
    --font-outfit: 'Outfit', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-outfit);
    background: var(--bg-mesh);
    color: var(--primary-blue);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Glassmorphism Utilities */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 16px;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb {
    background: var(--navy-dki);
    border-radius: 4px;
    opacity: 0.8;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-blue);
}

/* Responsive Grid Helper */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

/* Dynamic Call Blinking animation */
@keyframes pulseCall {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 168, 107, 0.7);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 0 20px rgba(0, 168, 107, 0);
        transform: scale(1.02);
        background-color: #e8f5e9;
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 168, 107, 0);
        transform: scale(1);
    }
}

.calling-flash {
    animation: pulseCall 1.2s infinite ease-in-out;
}