:root {
    --aru-green: #4CAF50;
    --aru-yellow: #FFD700;
    --aru-gray: #666666;
    --aru-light-gray: #f8f9fa;
    --aru-white: #ffffff;
    --aru-black: #333333;
    --aru-accent: #2ecc71;
    
    /* Updated gradients */
    --aru-gradient: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
    --aru-gradient-light: linear-gradient(135deg, rgba(76, 175, 80, 0.1) 0%, rgba(46, 204, 113, 0.1) 100%);
}

/* Alert colors */
.alert-info {
    background: var(--aru-gradient-light);
    border: 1px solid rgba(76, 175, 80, 0.2);
    color: var(--aru-black);
}

.alert-info i {
    color: var(--aru-green);
}

/* Button styles */
.btn-primary {
    background: var(--aru-gradient);
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--aru-accent);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.btn-outline-primary {
    color: var(--aru-green);
    border: 2px solid var(--aru-green);
    background: transparent;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: var(--aru-gradient);
    border-color: transparent;
    transform: translateY(-1px);
}

/* Text colors */
.text-primary {
    color: var(--aru-green) !important;
}

/* Card styles */
.card {
    border: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: var(--aru-white);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.08);
}

.fee-card {
    border-radius: 10px;
    overflow: hidden;
}

.fee-card .card-body {
    padding: 1.5rem;
}

/* Form controls */
.form-control {
    border: 1px solid #e0e0e0;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--aru-green);
    box-shadow: 0 0 0 0.2rem rgba(76, 175, 80, 0.15);
}

/* Background patterns */
.bg-pattern {
    background-color: var(--aru-light-gray);
    background-image: radial-gradient(var(--aru-green) 1px, transparent 1px),
                      radial-gradient(var(--aru-yellow) 1px, transparent 1px);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
    opacity: 0.05;
}

/* Navigation */
.navbar {
    background: var(--aru-white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* Footer */
.footer {
    background: var(--aru-light-gray);
    color: var(--aru-gray);
    border-top: 1px solid rgba(0,0,0,0.05);
}

/* Price amounts */
.amount-display {
    color: var(--aru-green);
    font-weight: 600;
    font-size: 1.25rem;
}

/* Subtotal row */
.subtotal-row {
    background: var(--aru-gradient-light);
    border-radius: 8px;
    padding: 0.75rem 1rem;
}