/* ===== Authentication Pages ===== */
.auth-section {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
}

.auth-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    width: 100%;
}

.auth-card {
    background-color: var(--white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.auth-card h1 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
    font-size: 2rem;
}

.auth-subtitle {
    color: var(--text-gray);
    margin-bottom: 2rem;
    font-size: 1rem;
}

/* ===== Form Styles ===== */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group label {
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--medium-gray);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-group input::placeholder {
    color: var(--text-gray);
}

.error-message {
    color: var(--error);
    font-size: 0.85rem;
    margin-top: 0.25rem;
    display: none;
}

.error-message.show {
    display: block;
}

.form-group input.error {
    border-color: var(--error);
}

/* ===== Password Strength ===== */
.password-strength {
    height: 4px;
    background-color: var(--medium-gray);
    border-radius: 2px;
    margin-top: 0.5rem;
    overflow: hidden;
}

.strength-bar {
    height: 100%;
    width: 0%;
    background-color: var(--error);
    transition: all 0.3s ease;
}

.strength-bar.weak {
    width: 33%;
    background-color: var(--error);
}

.strength-bar.medium {
    width: 66%;
    background-color: var(--warning);
}

.strength-bar.strong {
    width: 100%;
    background-color: var(--success);
}

/* ===== Form Divider ===== */
.auth-divider {
    text-align: center;
    color: var(--text-gray);
    position: relative;
    margin: 1rem 0;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background-color: var(--medium-gray);
    z-index: 0;
}

.auth-divider {
    position: relative;
    z-index: 1;
    background-color: var(--white);
    padding: 0 1rem;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Auth Footer ===== */
.auth-footer {
    text-align: center;
    margin: 0;
}

.auth-footer a {
    color: var(--primary-blue);
    font-weight: 600;
}

/* ===== Auth Benefits ===== */
.auth-benefits {
    background-color: var(--light-gray);
    padding: 2rem;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.auth-benefits h3 {
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.auth-benefits ul {
    list-style: none;
}

.auth-benefits li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: var(--dark-gray);
    font-weight: 500;
}

.auth-benefits i {
    color: var(--success);
    font-size: 1.2rem;
}

/* ===== Success Message ===== */
.success-message {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background-color: rgba(16, 185, 129, 0.1);
    border: 2px solid var(--success);
    border-radius: 8px;
    color: var(--success);
    font-weight: 600;
}

.success-message i {
    font-size: 1.5rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .auth-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .auth-card {
        padding: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .auth-benefits {
        order: -1;
    }
}

/* ===== Terms Agreement ===== */
.terms-agreement {
    background-color: var(--light-gray);
    padding: 1rem;
    border-radius: 8px;
    border-left: 3px solid var(--primary-blue);
    margin: 0.5rem 0;
}

.terms-agreement p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-gray);
    line-height: 1.6;
}

.terms-agreement a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.terms-agreement a:hover {
    color: var(--secondary-blue);
    text-decoration: underline;
}

/* ===== Optional Label ===== */
.optional-label {
    font-weight: 400;
    color: var(--text-gray);
    font-size: 0.85rem;
}

.helper-text {
    font-size: 0.8rem;
    color: var(--text-gray);
    margin-top: 0.25rem;
}

/* ===== Plan Selection ===== */
.plan-selection {
    margin: 1rem 0;
}

.plan-selection > label {
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.75rem;
    display: block;
}

.plan-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.plan-option {
    position: relative;
}

.plan-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.plan-option label {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.25rem 1rem;
    border: 2px solid var(--medium-gray);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    background: var(--white);
}

.plan-option label:hover {
    border-color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.plan-option input[type="radio"]:checked + label {
    border-color: var(--primary-blue);
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.05) 0%, rgba(0, 102, 204, 0.1) 100%);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.plan-name {
    font-weight: 700;
    color: var(--dark-gray);
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.plan-price {
    font-size: 1.1rem;
    color: var(--primary-blue);
    font-weight: 600;
}

.plan-savings {
    font-size: 0.75rem;
    color: var(--success);
    font-weight: 600;
    background: rgba(16, 185, 129, 0.1);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    margin-top: 0.5rem;
}

/* ===== Payment Message ===== */
.payment-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.05) 0%, rgba(0, 102, 204, 0.1) 100%);
    border-radius: 12px;
    border: 2px solid var(--primary-blue);
}

.payment-message i {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.payment-message h3 {
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.payment-message p {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

.payment-loading {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--primary-blue);
    font-weight: 500;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid var(--medium-gray);
    border-top-color: var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive plan options */
@media (max-width: 600px) {
    .plan-options {
        grid-template-columns: 1fr;
    }

    .plan-option label {
        flex-direction: row;
        justify-content: space-between;
        padding: 1rem;
    }

    .plan-savings {
        margin-top: 0;
        margin-left: 0.5rem;
    }
}