/* Atmospheric Utility Design System */
:root {
    --primary: #002764;
    --primary-container: #003c90;
    --surface: #f8f9fb;
    --on-surface: #191c1e;
    --secondary-container: #d0e1fb;
    --ambient-shadow: 0 20px 50px rgba(0, 39, 100, 0.05);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--surface);
    color: var(--on-surface);
    -webkit-font-smoothing: antialiased;
}

/* Glass Panel for Header/Footer */
.glass-panel {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* Primary Gradient Button */
.primary-gradient {
    background: linear-gradient(135deg, var(--primary-container) 0%, var(--primary) 100%);
}

/* Custom Select Styling to remove ugly arrows */
.custom-select-wrapper {
    position: relative;
    width: 100%;
}

.custom-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    width: 100%;
    padding: 1rem 3rem 1rem 2rem; /* Extra padding for icon */
    background-color: #fff;
    border-radius: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: box-shadow 0.3s ease;
}

.custom-select:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 60, 144, 0.2);
}

.custom-select-icon {
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: #64748b;
}

/* Ezoic Ad Placeholder Styling */
.ad-placeholder {
    background-image: linear-gradient(135deg, #f5f7fa 0%, #e3e7eb 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    border: 2px dashed #cbd5e1;
}

/* Animation for Swap Button */
.rotate-180 {
    transform: rotate(180deg);
}