:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #38bdf8;
    --alert-color: #ef4444;
    --success-color: #22c55e;
    --font-main: 'Outfit', sans-serif;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    background-image:
        radial-gradient(at 0% 0%, hsla(253, 16%, 7%, 1) 0, transparent 50%),
        radial-gradient(at 50% 0%, hsla(225, 39%, 30%, 1) 0, transparent 50%),
        radial-gradient(at 100% 0%, hsla(339, 49%, 30%, 1) 0, transparent 50%);
    color: var(--text-primary);
    font-family: var(--font-main);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease;
    position: relative;
    /* For absolute positioning if needed, but flex is better */
}

.card:hover {
    transform: translateY(-5px);
}

header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 8px 0;
    letter-spacing: -0.025em;
}

header p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

.rate-display {
    margin: 30px 0;
    font-weight: 700;
    color: var(--accent-color);
    text-shadow: 0 0 20px rgba(56, 189, 248, 0.3);
}

#rate-value {
    font-size: 5rem;
    line-height: 1;
}

.percent {
    font-size: 2rem;
    vertical-align: super;
    opacity: 0.8;
}

.meta-info {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.updated {
    font-size: 0.75rem;
    margin-top: 5px;
    opacity: 0.6;
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    padding: 8px 16px;
    border-radius: 9999px;
    font-size: 0.875rem;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--success-color);
    margin-right: 8px;
    box-shadow: 0 0 8px var(--success-color);
}

/* Secondary Stats specific styles */
.secondary-stats {
    display: flex;
    justify-content: flex-end;
    /* Lower right */
    gap: 20px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: right;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}