/**
 * Dynamic Form Engine — CSS
 *
 * Composants: text, email, tel, textarea, select, checkbox, radio,
 * cards selectable, stepper, tabs, progress bar, summary, validation states.
 *
 * Utilise la variable CSS --dfe-color pour le thème.
 */

/* ── Variables ─────────────────────────────────────────────────────────── */

:root {
    --dfe-color: #1f3f80;
    --dfe-color-rgb: 31, 63, 128;
    --dfe-bg: #ffffff;
    --dfe-border: #d9e2f1;
    --dfe-text: #0f172a;
    --dfe-muted: #64748b;
    --dfe-error: #dc2626;
    --dfe-success: #16a34a;
    --dfe-radius: 14px;
    --dfe-radius-lg: 22px;
    --dfe-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
    --dfe-font: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* ── Base form ─────────────────────────────────────────────────────────── */

.dfe-form {
    font-family: var(--dfe-font);
    color: var(--dfe-text);
    line-height: 1.55;
}

.dfe-form *,
.dfe-form *::before,
.dfe-form *::after {
    box-sizing: border-box;
}

/* ── Fields row (grid) ─────────────────────────────────────────────────── */

.dfe-fields-row {
    display: flex;
    flex-wrap: wrap;
    margin: -10px;
}

.dfe-field {
    padding: 10px;
    width: 100%;
    transition: opacity 0.3s ease;
}

.dfe-field.col-md-6 { width: 100%; }
.dfe-field.col-md-4 { width: 100%; }
.dfe-field.col-md-3 { width: 100%; }
.dfe-field.col-12   { width: 100%; }

@media (min-width: 768px) {
    .dfe-field.col-md-6 { width: 50%; }
    .dfe-field.col-md-4 { width: 33.333%; }
    .dfe-field.col-md-3 { width: 25%; }
}

/* ── Labels ────────────────────────────────────────────────────────────── */

.dfe-label {
    display: block;
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--dfe-text);
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.dfe-req {
    color: var(--dfe-error);
    font-weight: 700;
}

/* ── Inputs ────────────────────────────────────────────────────────────── */

.dfe-input,
.dfe-select,
.dfe-textarea {
    width: 100%;
    min-height: 50px;
    padding: 12px 16px;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--dfe-text);
    background: var(--dfe-bg);
    border: 1.5px solid var(--dfe-border);
    border-radius: var(--dfe-radius);
    outline: none;
    box-shadow: var(--dfe-shadow);
    transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.15s ease;
    -webkit-appearance: none;
}

.dfe-textarea {
    min-height: 120px;
    resize: vertical;
}

.dfe-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3e%3cpath d='M1 4l5 5 5-5' stroke='%2364748b' stroke-width='1.5' fill='none' stroke-linecap='round'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 12px;
    padding-right: 40px;
}

.dfe-input::placeholder,
.dfe-textarea::placeholder {
    color: #94a3b8;
}

.dfe-input:focus,
.dfe-select:focus,
.dfe-textarea:focus {
    border-color: var(--dfe-color);
    box-shadow: 0 0 0 4px rgba(var(--dfe-color-rgb), 0.10);
    transform: translateY(-1px);
}

/* ── Error state ───────────────────────────────────────────────────────── */

.dfe-has-error .dfe-input,
.dfe-has-error .dfe-select,
.dfe-has-error .dfe-textarea {
    border-color: var(--dfe-error);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.10);
}

.dfe-has-error .dfe-card-option,
.dfe-has-error .dfe-radio-item {
    border-color: rgba(220, 38, 38, 0.35);
}

.dfe-error {
    color: var(--dfe-error);
    font-size: 0.82rem;
    font-weight: 600;
    margin-top: 6px;
    min-height: 0;
}

.dfe-error:empty {
    display: none;
}

/* ── Help text ─────────────────────────────────────────────────────────── */

.dfe-help {
    color: var(--dfe-muted);
    font-size: 0.82rem;
    margin-top: 6px;
}

/* ── Checkbox ──────────────────────────────────────────────────────────── */

.dfe-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border: 1.5px solid var(--dfe-border);
    border-radius: var(--dfe-radius);
    background: var(--dfe-bg);
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.dfe-checkbox-label:hover {
    border-color: var(--dfe-color);
    background: rgba(var(--dfe-color-rgb), 0.02);
}

.dfe-checkbox {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--dfe-color);
    flex-shrink: 0;
}

.dfe-checkbox-text {
    font-size: 0.92rem;
    color: var(--dfe-text);
    line-height: 1.5;
}

/* ── Radio group ───────────────────────────────────────────────────────── */

.dfe-radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.dfe-radio-item {
    flex: 1 1 auto;
    min-width: 120px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border: 1.5px solid var(--dfe-border);
    border-radius: var(--dfe-radius);
    background: var(--dfe-bg);
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.dfe-radio-item:hover {
    border-color: var(--dfe-color);
    background: rgba(var(--dfe-color-rgb), 0.02);
}

.dfe-radio-item:has(input:checked) {
    border-color: var(--dfe-color);
    background: rgba(var(--dfe-color-rgb), 0.06);
    box-shadow: 0 0 0 3px rgba(var(--dfe-color-rgb), 0.10);
}

.dfe-radio-item input[type="radio"] {
    accent-color: var(--dfe-color);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.dfe-radio-text {
    font-size: 0.92rem;
    font-weight: 600;
}

/* ── Cards selectable ──────────────────────────────────────────────────── */

.dfe-cards-grid {
    display: grid;
    gap: 14px;
}

.dfe-cards-cols-2 { grid-template-columns: repeat(2, 1fr); }
.dfe-cards-cols-3 { grid-template-columns: repeat(3, 1fr); }
.dfe-cards-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 767.98px) {
    .dfe-cards-cols-3,
    .dfe-cards-cols-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 479.98px) {
    .dfe-cards-grid { grid-template-columns: 1fr; }
}

.dfe-card-option {
    position: relative;
    display: block;
    cursor: pointer;
    border: 2px solid var(--dfe-border);
    border-radius: 18px;
    background: var(--dfe-bg);
    overflow: hidden;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
}

.dfe-card-option:hover {
    border-color: rgba(var(--dfe-color-rgb), 0.4);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(var(--dfe-color-rgb), 0.10);
}

.dfe-card-option.selected {
    border-color: var(--dfe-color);
    box-shadow: 0 0 0 4px rgba(var(--dfe-color-rgb), 0.12), 0 12px 28px rgba(var(--dfe-color-rgb), 0.10);
    background: rgba(var(--dfe-color-rgb), 0.03);
}

.dfe-card-option.selected::after {
    content: '✓';
    position: absolute;
    top: 10px;
    right: 10px;
    width: 26px;
    height: 26px;
    border-radius: 999px;
    background: var(--dfe-color);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 800;
}

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

.dfe-card-inner {
    padding: 22px 18px;
    text-align: center;
}

.dfe-card-icon {
    display: block;
    font-size: 1.8rem;
    margin-bottom: 12px;
    color: var(--dfe-color);
    opacity: 0.85;
}

.dfe-card-option.selected .dfe-card-icon {
    opacity: 1;
}

.dfe-card-label {
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--dfe-text);
    margin-bottom: 4px;
}

.dfe-card-desc {
    font-size: 0.82rem;
    color: var(--dfe-muted);
    line-height: 1.45;
}

/* ── Image Cards (visual condition selector) ───────────────────────────── */

.dfe-image-cards {
    display: grid;
    gap: 16px;
}

.dfe-image-cards.dfe-cards-cols-2 { grid-template-columns: repeat(2, 1fr); }
.dfe-image-cards.dfe-cards-cols-3 { grid-template-columns: repeat(3, 1fr); }
.dfe-image-cards.dfe-cards-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 767.98px) {
    .dfe-image-cards.dfe-cards-cols-3,
    .dfe-image-cards.dfe-cards-cols-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 479.98px) {
    .dfe-image-cards { grid-template-columns: 1fr !important; }
}

.dfe-ic-option {
    position: relative;
    display: block;
    cursor: pointer;
    border: 2.5px solid var(--dfe-border);
    border-radius: 18px;
    background: var(--dfe-bg);
    overflow: hidden;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
}

.dfe-ic-option:hover {
    border-color: rgba(var(--dfe-color-rgb), 0.35);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(var(--dfe-color-rgb), 0.10);
}

.dfe-ic-option.selected {
    border-color: var(--dfe-color);
    box-shadow: 0 0 0 4px rgba(var(--dfe-color-rgb), 0.12), 0 12px 32px rgba(var(--dfe-color-rgb), 0.12);
    background: rgba(var(--dfe-color-rgb), 0.02);
}

.dfe-ic-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.dfe-ic-check {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 28px;
    height: 28px;
    border-radius: 999px;
    border: 2px solid var(--dfe-border);
    background: var(--dfe-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0;
    color: #fff;
    transition: all 0.25s ease;
    z-index: 2;
}

.dfe-ic-option.selected .dfe-ic-check {
    background: var(--dfe-color);
    border-color: var(--dfe-color);
    font-size: 0.7rem;
    box-shadow: 0 4px 12px rgba(var(--dfe-color-rgb), 0.3);
}

.dfe-ic-inner {
    padding: 24px 16px 20px;
    text-align: center;
    position: relative;
}

.dfe-ic-img {
    width: 72px;
    height: 72px;
    margin: 0 auto 14px;
    border-radius: 999px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(var(--dfe-color-rgb), 0.06), rgba(var(--dfe-color-rgb), 0.02));
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.dfe-ic-option:hover .dfe-ic-img {
    transform: scale(1.05);
}

.dfe-ic-option.selected .dfe-ic-img {
    box-shadow: 0 6px 20px rgba(var(--dfe-color-rgb), 0.15);
    transform: scale(1.08);
}

.dfe-ic-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.dfe-ic-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 14px;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(var(--dfe-color-rgb), 0.08), rgba(var(--dfe-color-rgb), 0.03));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--dfe-color);
    opacity: 0.75;
    transition: all 0.3s ease;
}

.dfe-ic-option:hover .dfe-ic-icon {
    opacity: 0.9;
    transform: scale(1.05);
}

.dfe-ic-option.selected .dfe-ic-icon {
    opacity: 1;
    background: linear-gradient(135deg, rgba(var(--dfe-color-rgb), 0.14), rgba(var(--dfe-color-rgb), 0.06));
    box-shadow: 0 6px 20px rgba(var(--dfe-color-rgb), 0.12);
    transform: scale(1.08);
}

.dfe-ic-label {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dfe-text);
    margin-bottom: 4px;
    line-height: 1.3;
}

.dfe-ic-option.selected .dfe-ic-label {
    color: var(--dfe-color);
}

.dfe-ic-desc {
    font-size: 0.82rem;
    color: var(--dfe-muted);
    line-height: 1.45;
}

/* ── Step indicators with connectors ────────────────────────────────────── */

.dfe-step-indicators {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 0;
    margin-bottom: 12px;
    padding: 0 16px;
}

.dfe-step-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    min-width: 70px;
    max-width: 160px;
    opacity: 0.4;
    transition: opacity 0.4s ease, transform 0.3s ease;
    position: relative;
    z-index: 1;
}

.dfe-step-indicator.active {
    opacity: 1;
    transform: scale(1.05);
}

.dfe-step-indicator.completed {
    opacity: 0.85;
}

.dfe-step-indicator.clickable {
    cursor: pointer;
}

.dfe-step-indicator.clickable:hover {
    opacity: 1;
}

.dfe-step-dot {
    width: 48px;
    height: 48px;
    border-radius: 999px;
    border: 2.5px solid var(--dfe-border);
    background: var(--dfe-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.92rem;
    font-weight: 800;
    color: var(--dfe-muted);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    flex-shrink: 0;
}

.dfe-step-dot i {
    font-size: 1rem;
    line-height: 1;
}

.dfe-step-indicator.active .dfe-step-dot {
    background: var(--dfe-color);
    border-color: var(--dfe-color);
    color: #fff;
    box-shadow: 0 6px 24px rgba(var(--dfe-color-rgb), 0.3), 0 0 0 6px rgba(var(--dfe-color-rgb), 0.08);
}

.dfe-step-indicator.completed .dfe-step-dot {
    background: var(--dfe-color);
    border-color: var(--dfe-color);
    color: #fff;
}

.dfe-step-indicator.completed .dfe-step-dot span,
.dfe-step-indicator.completed .dfe-step-dot i {
    display: none;
}

.dfe-step-indicator.completed .dfe-step-dot::after {
    content: '\f00c';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    font-size: 0.85rem;
}

.dfe-step-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-align: center;
    color: var(--dfe-muted);
    max-width: 120px;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.dfe-step-indicator.active .dfe-step-label {
    color: var(--dfe-color);
    font-weight: 800;
}

.dfe-step-indicator.completed .dfe-step-label {
    color: var(--dfe-text);
}

/* ── Step connectors (lines between dots) ──────────────────────────────── */

.dfe-step-connector {
    flex: 1;
    height: 3px;
    background: var(--dfe-border);
    border-radius: 999px;
    align-self: flex-start;
    margin-top: 22.5px;
    min-width: 24px;
    max-width: 120px;
    position: relative;
    overflow: hidden;
}

.dfe-step-connector-fill {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    border-radius: 999px;
    background: var(--dfe-color);
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.dfe-step-connector.completed .dfe-step-connector-fill {
    width: 100%;
}

/* ── Progress bar (below indicators) ───────────────────────────────────── */

.dfe-progress-bar {
    width: 100%;
    height: 3px;
    border-radius: 999px;
    background: #edf2f7;
    margin-bottom: 28px;
    overflow: hidden;
}

.dfe-progress-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--dfe-color), rgba(var(--dfe-color-rgb), 0.65));
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0%;
}

/* ── Step panels ───────────────────────────────────────────────────────── */

.dfe-step-panel {
    animation: dfe-slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.dfe-step-header {
    text-align: center;
    margin-bottom: 28px;
    padding: 0 8px;
}

.dfe-step-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--dfe-text);
    margin: 0 0 8px;
    letter-spacing: -0.02em;
}

.dfe-step-subtitle {
    font-size: 0.9rem;
    color: var(--dfe-muted);
    margin: 0;
    line-height: 1.6;
    max-width: 520px;
    margin-inline: auto;
}

/* ── Step navigation ───────────────────────────────────────────────────── */

.dfe-step-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1.5px solid #edf2f7;
}

/* ── Tabs ──────────────────────────────────────────────────────────────── */

.dfe-tabs {
    overflow: hidden;
}

.dfe-tab-headers {
    display: flex;
    gap: 4px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: 2px;
    border-bottom: 2px solid #e2e8f0;
    margin-bottom: 24px;
}

.dfe-tab-headers::-webkit-scrollbar { display: none; }

.dfe-tabs-vertical .dfe-tab-headers {
    flex-direction: column;
    border-bottom: none;
    border-right: 2px solid #e2e8f0;
    margin-bottom: 0;
    margin-right: 24px;
    min-width: 200px;
}

.dfe-tabs-vertical {
    display: flex;
}

.dfe-tabs-vertical .dfe-tab-panels {
    flex: 1;
}

.dfe-tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border: none;
    background: none;
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--dfe-muted);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
    transition: color 0.2s ease, border-color 0.2s ease;
    font-family: inherit;
}

.dfe-tab-btn:hover {
    color: var(--dfe-text);
}

.dfe-tab-btn.active {
    color: var(--dfe-color);
    border-bottom-color: var(--dfe-color);
}

.dfe-tabs-vertical .dfe-tab-btn {
    border-bottom: none;
    border-right: 3px solid transparent;
    margin-bottom: 0;
    margin-right: -2px;
    text-align: left;
    width: 100%;
}

.dfe-tabs-vertical .dfe-tab-btn.active {
    border-right-color: var(--dfe-color);
}

.dfe-tab-panel {
    display: none;
    animation: dfe-fadeIn 0.3s ease;
}

.dfe-tab-panel.active {
    display: block;
}

.dfe-tab-subtitle {
    color: var(--dfe-muted);
    font-size: 0.92rem;
    margin: 0 0 18px;
}

/* ── Buttons ───────────────────────────────────────────────────────────── */

.dfe-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 50px;
    padding: 0 24px;
    font-size: 0.95rem;
    font-weight: 700;
    font-family: inherit;
    border-radius: 999px;
    border: 1.5px solid var(--dfe-border);
    background: var(--dfe-bg);
    color: var(--dfe-text);
    cursor: pointer;
    transition: all 0.25s ease;
}

.dfe-btn:hover {
    border-color: var(--dfe-color);
    color: var(--dfe-color);
    transform: translateY(-1px);
}

.dfe-btn-primary {
    border-color: transparent;
    background: linear-gradient(135deg, var(--dfe-color), rgba(var(--dfe-color-rgb), 0.8));
    color: #fff;
    box-shadow: 0 10px 28px rgba(var(--dfe-color-rgb), 0.22);
}

.dfe-btn-primary:hover {
    color: #fff;
    box-shadow: 0 14px 36px rgba(var(--dfe-color-rgb), 0.30);
    transform: translateY(-2px);
}

.dfe-btn-submit {
    width: 100%;
    min-height: 56px;
    font-size: 1.05rem;
}

.dfe-btn.dfe-loading {
    opacity: 0.7;
    cursor: wait;
    pointer-events: none;
}

.dfe-btn.dfe-loading::after {
    content: '';
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 999px;
    animation: dfe-spin 0.7s linear infinite;
    margin-left: 8px;
}

.dfe-btn-prev .dfe-loading::after {
    border-color: rgba(0,0,0,0.15);
    border-top-color: var(--dfe-text);
}

/* ── Submit row ────────────────────────────────────────────────────────── */

.dfe-submit-row {
    margin-top: 24px;
    padding-top: 16px;
}

/* ── Summary ───────────────────────────────────────────────────────────── */

.dfe-summary {
    border: 1.5px solid var(--dfe-border);
    border-radius: var(--dfe-radius-lg);
    padding: 20px;
    margin-bottom: 24px;
    background: #f8fafc;
}

.dfe-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.dfe-summary-item {
    padding: 10px 0;
}

.dfe-summary-label {
    font-size: 0.80rem;
    font-weight: 700;
    color: var(--dfe-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 4px;
}

.dfe-summary-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dfe-text);
}

/* ── Animations ────────────────────────────────────────────────────────── */

@keyframes dfe-fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes dfe-slideUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

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

/* ── Responsive ────────────────────────────────────────────────────────── */

@media (max-width: 767.98px) {
    .dfe-step-indicators {
        padding: 0 4px;
    }

    .dfe-step-indicator {
        min-width: 50px;
    }

    .dfe-step-dot {
        width: 38px;
        height: 38px;
        font-size: 0.8rem;
    }

    .dfe-step-dot i {
        font-size: 0.85rem;
    }

    .dfe-step-connector {
        margin-top: 19px;
        min-width: 16px;
    }

    .dfe-step-label {
        font-size: 0.68rem;
        max-width: 80px;
    }

    .dfe-step-title {
        font-size: 1.15rem;
    }

    .dfe-card-inner {
        padding: 16px 12px;
    }

    .dfe-card-icon {
        font-size: 1.4rem;
    }

    .dfe-step-nav {
        flex-direction: column;
    }

    .dfe-step-nav .dfe-btn {
        width: 100%;
    }

    .dfe-tabs-vertical {
        flex-direction: column;
    }

    .dfe-tabs-vertical .dfe-tab-headers {
        flex-direction: row;
        overflow-x: auto;
        border-right: none;
        border-bottom: 2px solid #e2e8f0;
        margin-right: 0;
        margin-bottom: 18px;
        min-width: auto;
    }

    .dfe-tabs-vertical .dfe-tab-btn {
        border-right: none;
        border-bottom: 3px solid transparent;
        margin-right: 0;
        margin-bottom: -2px;
        width: auto;
    }

    .dfe-tabs-vertical .dfe-tab-btn.active {
        border-right-color: transparent;
        border-bottom-color: var(--dfe-color);
    }
}