:root {
    --bg-color: #0a0a0a;
    --text-color: #e2e8f0;
    --particle-color: rgba(255, 255, 255, 0.7);
    --glow-color: rgba(29, 78, 216, 0.2);
    --card-bg: rgba(17, 24, 39, 0.8);
    --border-color: rgba(255, 255, 255, 0.1);
    --link-hover: #3b82f6;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
}

#particle-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background-color: var(--bg-color);
}

.hero-glow {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--glow-color), transparent 60%);
    transform: translate(-50%, -50%);
    filter: blur(100px);
    z-index: -1;
    pointer-events: none;
}

.crypto-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.crypto-card:hover, .crypto-card.active {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: var(--link-hover);
}

.signal-strong-buy { color: #22c55e; } /* green-500 */
.signal-buy { color: #84cc16; } /* lime-500 */
.signal-sell { color: #f97316; } /* orange-500 */
.signal-strong-sell { color: #ef4444; } /* red-500 */
.signal-neutral { color: #6b7280; } /* gray-500 */

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

#chart-container {
    height: 400px;
    position: relative;
}

/* Custom scrollbar for crypto list */
#crypto-list::-webkit-scrollbar {
    width: 8px;
}
#crypto-list::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}
#crypto-list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
}
#crypto-list::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ApexCharts Dark Theme Customizations */
.apexcharts-tooltip {
    background: #2d3748 !important; /* gray-800 */
    color: var(--text-color);
    border: 1px solid var(--border-color) !important;
}

/* Enforce themed font on description text */
#details-description {
    font-family: 'Inter', sans-serif;
    font-size: medium;
}