/**
 * Membership registration form - sections, progress, tier cards, file upload, modals
 */

.apply-form {
    max-width: 800px;
    margin: 0 auto;
}

.apply-form .form-section {
    margin-bottom: var(--space-64);
    padding: var(--space-32);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    position: relative;
}

.apply-form .form-section::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-accent);
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.apply-form .section-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-16);
    border-bottom: 1px solid var(--color-border);
}

.apply-form .section-desc {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-24);
}

.apply-form .form-group {
    margin-bottom: var(--space-24);
}

.apply-form .form-input,
.apply-form .form-select,
.apply-form .form-textarea {
    min-height: 48px;
}
.apply-form .form-textarea {
    min-height: 120px;
}

.apply-form .form-row {
    display: grid;
    gap: var(--space-16);
    grid-template-columns: 1fr 1fr;
}

@media (max-width: 767px) {
    .apply-form .form-row {
        grid-template-columns: 1fr;
    }
}

/* Progress indicator */
.apply-progress {
    position: sticky;
    top: calc(var(--header-height) + var(--space-16));
    z-index: 10;
    background: var(--color-bg-elevated);
    padding: var(--space-16);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-32);
    border: 1px solid var(--color-border);
}

.apply-progress__title {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-12);
}

.apply-progress__dots {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-8);
}

.apply-progress__dot {
    display: block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-border);
    transition: background var(--transition-normal);
}

.apply-progress__dot.active {
    background: var(--color-accent);
    box-shadow: 0 0 12px var(--color-accent-glow);
}

.apply-progress__dot.valid {
    background: var(--color-success);
}

/* Tier cards */
.tier-cards {
    display: grid;
    gap: var(--space-16);
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.tier-card {
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-24);
    cursor: pointer;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.tier-card:hover {
    border-color: var(--color-border-light);
}

.tier-card.selected {
    border-color: var(--color-accent);
    box-shadow: 0 0 20px var(--color-accent-glow);
}

.tier-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.tier-card__name {
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-4);
}

.tier-card__price {
    font-size: var(--text-sm);
    color: var(--color-accent);
    margin-bottom: var(--space-8);
}

.tier-card__desc {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    line-height: 1.4;
}

/* File upload zone */
.upload-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-32);
    text-align: center;
    background: var(--color-bg-elevated);
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.upload-zone.dragover {
    border-color: var(--color-accent);
    background: var(--color-accent-subtle);
}

.upload-zone.has-file {
    border-style: solid;
    border-color: var(--color-success);
}

.upload-zone__input {
    position: absolute;
    width: 0.1px;
    height: 0.1px;
    opacity: 0;
    overflow: hidden;
    z-index: -1;
}

.upload-zone__label {
    cursor: pointer;
    display: block;
}

.upload-zone__preview {
    max-width: 200px;
    max-height: 200px;
    margin: 0 auto var(--space-16);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    display: none;
}

.upload-zone.has-file .upload-zone__preview {
    display: block;
}

.upload-zone.has-file .upload-zone__prompt {
    display: none;
}

.upload-zone__remove {
    margin-top: var(--space-8);
    font-size: var(--text-sm);
    color: var(--color-error);
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
}

/* Character counter */
.char-counter {
    font-size: var(--text-xs);
    color: var(--color-text-dim);
    text-align: right;
    margin-top: var(--space-4);
}

.char-counter.warn {
    color: var(--color-warning);
}

.char-counter.err {
    color: var(--color-error);
}

/* Success / Error modals */
.apply-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-16);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.apply-modal.is-visible {
    opacity: 1;
    visibility: visible;
}

.apply-modal__box {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-48);
    max-width: 480px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow-lg), 0 0 40px var(--color-primary-glow);
}

.apply-modal__icon {
    font-size: 3rem;
    margin-bottom: var(--space-24);
    line-height: 1;
}

#success-modal .apply-modal__icon {
    color: var(--color-success);
    text-shadow: 0 0 20px var(--color-accent-glow);
}

.apply-modal__title {
    margin-bottom: var(--space-16);
}

.apply-modal__text {
    color: var(--color-text-muted);
    margin-bottom: var(--space-24);
    white-space: pre-line;
    text-align: left;
}

.apply-modal__btn {
    margin-top: var(--space-16);
}

/* Conditional referral field */
.form-group.referral-wrap {
    display: none;
}

.form-group.referral-wrap.visible {
    display: block;
}

/* Radio group */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-12);
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    cursor: pointer;
    padding: var(--space-12);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.radio-group label:hover {
    background: var(--color-accent-subtle);
}

.radio-group input {
    width: 20px;
    height: 20px;
    accent-color: var(--color-accent);
}

/* Submit block */
.apply-submit {
    margin-top: var(--space-48);
    padding-top: var(--space-32);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.apply-submit .btn {
    min-width: 280px;
}

.apply-submit .back-link {
    display: inline-block;
    margin-top: var(--space-24);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.apply-submit .back-link:hover {
    color: var(--color-accent);
}

/* Field valid state */
.form-input.valid,
.form-select.valid,
.form-textarea.valid {
    border-color: var(--color-success);
}

.form-input.invalid,
.form-select.invalid,
.form-textarea.invalid {
    border-color: var(--color-error);
}