:root {
    /* PRD Dark Mode Colors */
    --bg-color: #1A202C;
    --surface-color: #2D3748;
    --primary-gold: #D4AF37;
    --primary-brown: #8B4513;
    --text-primary: #F7FAFC;
    --text-secondary: #CBD5E0;
    --error-color: #F56565;
    --success-color: #48BB78;
    
    /* Spacing & Layout */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-pill: 25px;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-weight: 700;
}

.gold-gradient-text {
    background: linear-gradient(135deg, #D4AF37 0%, #F59E0B 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gold-gradient-bg {
    background: linear-gradient(135deg, #D4AF37 0%, #B8860B 100%);
}

.prayer-card {
    background: rgba(45, 55, 72, 0.8); /* #2D3748 with opacity */
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.btn-primary {
    border-radius: var(--radius-pill);
    font-weight: 600;
    transition: transform 0.15s ease, opacity 0.2s ease;
}

.btn-primary:active {
    transform: scale(0.98);
}

.input-field {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    transition: border-color 0.2s ease;
}

.input-field:focus {
    border-color: var(--primary-gold);
    outline: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: #4A5568;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #718096;
}

/* Loading Spinner */
.loader {
    border: 3px solid rgba(255,255,255,0.1);
    border-radius: 50%;
    border-top: 3px solid var(--primary-gold);
    width: 24px;
    height: 24px;
    -webkit-animation: spin 1s linear infinite; /* Safari */
    animation: spin 1s linear infinite;
}

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