/* Global Styles */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

/* Card Styles */
.card {
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    border-radius: 0.5rem;
    transition: all 0.2s ease-in-out;
}

.card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
}

/* Plan Card Styles */
.plan-card {
    transition: transform 0.3s ease;
}

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

.plan-card .price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.plan-card .duration {
    color: #6c757d;
    font-size: 0.9rem;
}

/* Form Styles */
.form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.25rem rgba(52, 152, 219, 0.25);
}

#global-loading-spinner {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 99999;
    justify-content: center;
    align-items: center;
}

#global-loading-spinner.over-modal {
    z-index: 10000;
}

.spinner-overlay {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.spinner-container {
    text-align: center;
}

.spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 0.3rem;
}

.spinner-container p {
    font-size: 1.2rem;
    font-weight: 500;
    color: #fff;
    margin-top: 1rem;
}