:root {
    --tuwaiq-primary: #1E3A8A;
    --tuwaiq-primary-hover: #1D4ED8;
    --tuwaiq-secondary: #0D9488;
    --tuwaiq-accent: #F59E0B;
    --tuwaiq-bg: #0F172A;
    --tuwaiq-surface: #1E293B;
    --tuwaiq-text-primary: #F8FAFC;
    --tuwaiq-text-secondary: #94A3B8;
    --tuwaiq-border: #334155;
    --tuwaiq-font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

[dir="rtl"] {
    text-align: right;
}

body {
    background-color: var(--tuwaiq-bg);
    color: var(--tuwaiq-text-primary);
    font-family: var(--tuwaiq-font-family);
    margin: 0;
    padding: 0;
}

.tuwaiq-brand-header {
    background: linear-gradient(135deg, var(--tuwaiq-primary), var(--tuwaiq-secondary));
    color: var(--tuwaiq-text-primary);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.tuwaiq-riyal-symbol {
    font-weight: bold;
    color: var(--tuwaiq-accent);
}

.tuwaiq-card {
    background-color: var(--tuwaiq-surface);
    border: 1px solid var(--tuwaiq-border);
    border-radius: 8px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}