/* ===========================
   Registration Page Styles
   =========================== */

/* Page Title */
.page-title {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.page-title h1 {
    color: var(--white);
    margin-bottom: var(--spacing-xs);
    font-size: 2.5rem;
}

.page-title p {
    font-size: 1.125rem;
    opacity: 0.95;
    margin-bottom: 0;
}

/* Registration Section */
.registration-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--gray-50);
}

.registration-container {
    max-width: 900px;
    margin: 0 auto;
}

/* Security Notice */
.security-notice {
    background-color: var(--white);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.security-icon {
    width: 48px;
    height: 48px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.security-notice strong {
    display: block;
    color: var(--gray-900);
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.security-notice p {
    color: var(--gray-600);
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* Intro Text */
.intro-text {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow);
}

.intro-text p {
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.intro-text p:last-child {
    margin-bottom: 0;
}

.intro-text strong {
    color: var(--primary-color);
}

/* Form Sections */
.form-section {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow);
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray-900);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--primary-color);
}

.section-icon {
    width: 32px;
    height: 32px;
    color: var(--primary-color);
    flex-shrink: 0;
}

/* Form Rows and Groups */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

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

.form-group-full {
    grid-column: 1 / -1;
}

.form-group-large {
    grid-column: 1 / -1;
}

.form-group-small {
    grid-column: span 1;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--white);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(21, 93, 252, 0.1);
}

.form-group input:invalid:not(:placeholder-shown) {
    border-color: var(--error);
}

/* Form Notes */
.form-note {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-500);
    font-style: italic;
}

/* Required Indicator */
.required {
    color: var(--error);
    font-weight: 700;
}

.required-note {
    text-align: center;
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

/* Radio Buttons */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.radio-group-inline {
    display: flex;
    gap: var(--spacing-lg);
}

.radio-label {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.radio-label:hover {
    border-color: var(--primary-color);
    background-color: var(--gray-50);
}

.radio-label input[type="radio"] {
    margin-right: var(--spacing-sm);
    cursor: pointer;
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

.radio-label span {
    color: var(--gray-700);
    font-size: 0.95rem;
}

/* Checkbox */
.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    transition: var(--transition);
}

.checkbox-label:hover {
    border-color: var(--primary-color);
    background-color: var(--gray-50);
}

.checkbox-label input[type="checkbox"] {
    margin-top: 0.25rem;
    cursor: pointer;
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
    flex-shrink: 0;
}

.checkbox-label span {
    color: var(--gray-700);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Date Select Group */
.date-select-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.date-select-group select {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--white);
}

.date-select-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(21, 93, 252, 0.1);
}

.date-separator {
    color: var(--gray-400);
    font-weight: 700;
    font-size: 1.25rem;
}

/* Info Box */
.info-box {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: #eff6ff;
    border-left: 4px solid var(--primary-color);
    border-radius: var(--radius);
}

.info-box ul {
    margin: 0;
    padding-left: var(--spacing-md);
}

.info-box li {
    color: var(--gray-700);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 0.25rem;
}

/* Submit Button */
.form-submit {
    text-align: center;
    padding-top: var(--spacing-lg);
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    min-width: 250px;
    justify-content: center;
}

.btn-icon {
    width: 24px;
    height: 24px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .page-title h1 {
        font-size: 2rem;
    }

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

    .form-group-small,
    .form-group-large {
        grid-column: 1 / -1;
    }

    .form-section {
        padding: var(--spacing-md);
    }

    .section-title {
        font-size: 1.25rem;
    }

    .section-icon {
        width: 28px;
        height: 28px;
    }

    .security-notice {
        flex-direction: column;
        text-align: center;
    }

    .date-select-group {
        flex-direction: column;
    }

    .date-separator {
        display: none;
    }

    .radio-group-inline {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .btn-submit {
        width: 100%;
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .page-title h1 {
        font-size: 1.5rem;
    }

    .page-title p {
        font-size: 1rem;
    }

    .intro-text {
        padding: var(--spacing-md);
    }

    .form-section {
        padding: var(--spacing-sm);
    }
}

/* Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-section {
    animation: fadeIn 0.5s ease-out;
}

.form-section:nth-child(2) {
    animation-delay: 0.1s;
}

.form-section:nth-child(3) {
    animation-delay: 0.2s;
}

.form-section:nth-child(4) {
    animation-delay: 0.3s;
}