/* ═══════════════════════════════════════════════════════════
   Form Builder — Global Styles
   ═══════════════════════════════════════════════════════════ */

/* ── Layout ─────────────────────────────────────────────── */
.fb-layout {
    display: grid;
    grid-template-columns: 220px 1fr 290px;
    gap: 0;
    height: calc(100vh - 156px);
    min-height: 400px;
    overflow: hidden;
}

/* Tablet: collapse palette into a top strip */
@media (max-width: 1100px) and (min-width: 768px) {
    .fb-layout {
        grid-template-columns: 180px 1fr 260px;
        height: calc(100vh - 148px);
    }
}

/* Mobile: stack vertically */
@media (max-width: 767px) {
    .fb-layout {
        grid-template-columns: 1fr;
        height: auto;
        overflow: visible;
    }
    .fb-palette { order: 3; max-height: 200px; border-top: 1px solid var(--bs-border-color); border-right: none; }
    .fb-canvas-wrapper { order: 1; min-height: 300px; }
    .fb-properties { order: 2; border-left: none; border-top: 1px solid var(--bs-border-color); max-height: 420px; }
}

/* ── Palette ────────────────────────────────────────────── */
.fb-palette {
    background: var(--bs-body-bg);
    border-right: 1px solid var(--bs-border-color);
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0.6rem;
    scrollbar-width: thin;
}

.fb-palette-section-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--bs-secondary-color);
    padding: 0.5rem 0.25rem 0.2rem;
    border-bottom: 1px solid var(--bs-border-color);
    margin-bottom: 0.3rem;
}

.fb-palette-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.6rem;
    border-radius: 6px;
    border: 1px solid transparent;
    background: transparent;
    margin-bottom: 0.2rem;
    cursor: grab;
    font-size: 0.83rem;
    user-select: none;
    touch-action: none;
    transition: background 0.1s, border-color 0.1s, transform 0.1s;
    -webkit-user-select: none;
}

.fb-palette-item:hover {
    background: var(--bs-primary-bg-subtle);
    border-color: var(--bs-primary-border-subtle);
    transform: translateX(2px);
}

.fb-palette-item:active { cursor: grabbing; transform: scale(0.97); }

/* ── Canvas ─────────────────────────────────────────────── */
.fb-canvas-wrapper {
    background: var(--bs-tertiary-bg);
    overflow-y: auto;
    overflow-x: hidden;
    padding: 1rem;
    scrollbar-width: thin;
}

#form-canvas {
    min-height: 400px;
    border: 2px dashed var(--bs-border-color);
    border-radius: 10px;
    padding: 1rem;
    background: var(--bs-body-bg);
    transition: border-color 0.15s, background 0.15s;
    position: relative;
}

#form-canvas.fb-drag-over,
#form-canvas:has(.fb-drop-target) {
    border-color: var(--bs-primary);
}

.fb-empty-canvas {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    color: var(--bs-secondary-color);
    pointer-events: none;
    gap: 0.5rem;
}

/* ── Field Cards ────────────────────────────────────────── */
.fb-field-card {
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 8px;
    padding: 0.65rem 0.75rem;
    margin-bottom: 0.5rem;
    cursor: pointer;
    position: relative;
    transition: border-color 0.1s, box-shadow 0.1s;
    touch-action: none;
}

.fb-field-card:hover {
    border-color: var(--bs-primary-border-subtle);
    box-shadow: 0 0 0 3px rgba(var(--bs-primary-rgb), 0.12);
}

.fb-field-card.fb-selected {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 3px rgba(var(--bs-primary-rgb), 0.22);
}

.fb-field-card.fb-dragging { opacity: 0.35; }

.fb-field-card.fb-drop-target {
    border-color: var(--bs-success);
    border-style: dashed;
    background: var(--bs-success-bg-subtle);
}

.fb-card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
}

.fb-card-type-badge {
    font-size: 0.62rem;
    padding: 0.1rem 0.4rem;
    background: var(--bs-secondary-bg);
    border-radius: 4px;
    color: var(--bs-secondary-color);
    white-space: nowrap;
    flex-shrink: 0;
}

.fb-card-actions {
    margin-left: auto;
    display: flex;
    gap: 0.2rem;
    opacity: 0;
    transition: opacity 0.1s;
    flex-shrink: 0;
}

.fb-field-card:hover .fb-card-actions,
.fb-field-card.fb-selected .fb-card-actions {
    opacity: 1;
}

.fb-drag-handle {
    cursor: grab;
    color: var(--bs-secondary-color);
    padding: 0 0.2rem;
    flex-shrink: 0;
}

.fb-field-card.fb-layout-field {
    border-style: dashed;
    background: var(--bs-tertiary-bg);
}

/* ── Properties Panel ───────────────────────────────────── */
.fb-properties {
    background: var(--bs-body-bg);
    border-left: 1px solid var(--bs-border-color);
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0.75rem;
    scrollbar-width: thin;
}

.fb-props-title {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--bs-secondary-color);
    margin-bottom: 0.75rem;
    border-bottom: 1px solid var(--bs-border-color);
    padding-bottom: 0.4rem;
}

/* ── Toolbar ────────────────────────────────────────────── */
.fb-toolbar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--bs-body-bg);
    border-bottom: 1px solid var(--bs-border-color);
    flex-wrap: wrap;
    min-height: 52px;
}

.fb-toolbar-title {
    font-weight: 600;
    flex-grow: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fb-unsaved-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--bs-warning);
    display: inline-block;
    margin-left: 4px;
    vertical-align: middle;
    flex-shrink: 0;
}

/* ── Option List ────────────────────────────────────────── */
.fb-option-row {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 0.3rem;
}

/* ── Rules ──────────────────────────────────────────────── */
.fb-rule-row {
    background: var(--bs-tertiary-bg);
    border-radius: 6px;
    padding: 0.5rem;
    margin-bottom: 0.4rem;
    border: 1px solid var(--bs-border-color);
}

/* ── Column Span Visual Selector ───────────────────────── */
.fb-span-selector {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.25rem;
    margin-top: 0.25rem;
}

.fb-span-option {
    border: 2px solid var(--bs-border-color);
    border-radius: 4px;
    padding: 0.2rem;
    cursor: pointer;
    text-align: center;
    font-size: 0.7rem;
    transition: border-color 0.1s, background 0.1s;
}

.fb-span-option:hover { border-color: var(--bs-primary-border-subtle); }

.fb-span-option.active {
    border-color: var(--bs-primary);
    background: var(--bs-primary-bg-subtle);
    color: var(--bs-primary);
    font-weight: 600;
}

.fb-span-bar {
    height: 4px;
    border-radius: 2px;
    background: currentColor;
    margin-bottom: 0.15rem;
}

/* ── Public Form Page ───────────────────────────────────── */
.fb-public-form {
    max-width: 700px;
    margin: 2rem auto;
    padding: 0 1.25rem;
}

.fb-form-header { margin-bottom: 1.75rem; }

/* ── Form Multi-Page Progress ───────────────────────────── */
.fr-progress {
    background: var(--bs-body-bg);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    border: 1px solid var(--bs-border-color);
}

.fr-progress-label {
    font-size: 0.9rem;
    color: var(--bs-body-color);
}

.fr-progress-steps {
    display: flex;
    align-items: center;
    gap: 5px;
}

.fr-step-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--bs-secondary-bg);
    border: 1.5px solid var(--bs-border-color);
    transition: background .2s, border-color .2s;
    cursor: default;
}

.fr-step-dot.done {
    background: var(--bs-primary);
    border-color: var(--bs-primary);
}

.fr-step-dot.current {
    background: var(--bs-primary);
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 3px rgba(var(--bs-primary-rgb), 0.2);
    width: 12px;
    height: 12px;
}

/* ── Form Field Renderer ────────────────────────────────── */
.fb-preview-field { margin-bottom: 0; }

/* Stars rating */
.fb-stars {
    display: flex;
    align-items: center;
    gap: 0.15rem;
}

.fb-star-btn {
    background: none;
    border: none;
    padding: 0.15rem 0.2rem;
    font-size: 1.6rem;
    line-height: 1;
    color: var(--bs-secondary-color);
    cursor: pointer;
    transition: color 0.1s, transform 0.1s;
}

.fb-star-btn:hover,
.fb-star-btn.active { color: #f59e0b; }

.fb-star-btn:hover { transform: scale(1.15); }

.fb-star-clear {
    background: none;
    border: none;
    font-size: 0.75rem;
    cursor: pointer;
    opacity: 0.6;
}

.fb-star-clear:hover { opacity: 1; }

/* Checkbox list (multiselect) */
.fb-checkbox-list {
    max-height: 200px;
    overflow-y: auto;
    scrollbar-width: thin;
}

/* Signature */
.fb-signature-wrapper {
    background: var(--bs-body-bg);
    height: 140px;
    cursor: crosshair;
}

.fb-signature-canvas {
    display: block;
    width: 100%;
    height: 140px;
    touch-action: none;
}

.fb-sig-hint {
    pointer-events: none;
    opacity: 0.35;
    font-size: 0.85rem;
    transition: opacity 0.2s;
}

.fb-signature-wrapper:has(canvas.active) .fb-sig-hint { opacity: 0; }

/* Captcha */
.fb-captcha { border-radius: 8px !important; }

/* Themed submit button — overridden by inline style from FormDefinition theme */
.fr-btn-primary {
    background-color: var(--fr-btn-color, var(--bs-primary));
    border-color: var(--fr-btn-color, var(--bs-primary));
    color: #fff;
}
.fr-btn-primary:hover {
    filter: brightness(0.92);
}
.fr-btn-primary:disabled {
    opacity: 0.65;
}

/* Submit progress bar — uses the form's theme color */
.fr-progress-bar {
    background-color: var(--fr-btn-color, var(--bs-primary));
}

/* NPS buttons */
.fb-nps-detractor { background: #fee2e2 !important; color: #dc2626 !important; border-color: #fca5a5 !important; }
.fb-nps-passive   { background: #fef9c3 !important; color: #a16207 !important; border-color: #fde047 !important; }
.fb-nps-promoter  { background: #dcfce7 !important; color: #16a34a !important; border-color: #86efac !important; }

/* Form card (list page) */
.form-card { transition: box-shadow 0.15s; }
.form-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.12) !important; }

.border-dashed { border-style: dashed !important; }

.btn-label { display: inline; }
@media (max-width: 480px) {
    .btn-label { display: none; }
}

/* Submissions table */
.fb-table thead th {
    position: sticky;
    top: 0;
    background: var(--bs-body-bg);
    z-index: 1;
    box-shadow: 0 1px 0 var(--bs-border-color);
}

/* Reports */
.fb-kpi-card { transition: box-shadow 0.15s; }
.fb-kpi-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.1) !important; }

/* ── Page Tabs ──────────────────────────────────────────────── */
.fb-page-tabs {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 0 0.6rem;
    background: var(--bs-body-bg);
    border-bottom: 1px solid var(--bs-border-color);
    min-height: 40px;
    overflow-x: auto;
    scrollbar-width: thin;
}

.fb-page-tab-list {
    display: flex;
    align-items: center;
    gap: 2px;
    flex-shrink: 0;
    padding: 4px 0;
}

.fb-page-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.7rem;
    border-radius: 6px 6px 0 0;
    border: 1px solid transparent;
    background: transparent;
    font-size: 0.8rem;
    cursor: pointer;
    color: var(--bs-secondary-color);
    white-space: nowrap;
    transition: background 0.1s, color 0.1s, border-color 0.1s;
    position: relative;
}

.fb-page-tab:hover:not(.active) {
    background: var(--bs-secondary-bg);
    color: var(--bs-body-color);
}

.fb-page-tab.active {
    background: var(--bs-primary-bg-subtle);
    border-color: var(--bs-primary-border-subtle);
    border-bottom-color: var(--bs-primary-bg-subtle);
    color: var(--bs-primary);
    font-weight: 600;
}

.fb-page-tab-title {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fb-page-tab-remove,
.fb-page-tab-move {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: transparent;
    border: none;
    color: inherit;
    opacity: 0;
    transition: opacity 0.1s, background 0.1s;
    padding: 0;
    cursor: pointer;
    font-size: 0.75rem;
    line-height: 1;
}

.fb-page-tab:hover .fb-page-tab-remove,
.fb-page-tab.active .fb-page-tab-remove,
.fb-page-tab:hover .fb-page-tab-move,
.fb-page-tab.active .fb-page-tab-move {
    opacity: 0.6;
}

.fb-page-tab-remove:hover {
    opacity: 1 !important;
    background: var(--bs-danger-bg-subtle);
    color: var(--bs-danger);
}

.fb-page-tab-move:hover {
    opacity: 1 !important;
    background: var(--bs-primary-bg-subtle);
    color: var(--bs-primary);
}

.fb-page-add-btn {
    font-size: 0.78rem;
    border-radius: 6px;
    padding: 0.2rem 0.6rem;
    opacity: 0.7;
    margin-left: 4px;
}

.fb-page-add-btn:hover { opacity: 1; }

/* Shared data badge on field cards */
.fb-shared-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 0.62rem;
    padding: 0.1rem 0.4rem;
    background: var(--bs-primary-bg-subtle);
    border-radius: 10px;
    color: var(--bs-primary);
    white-space: nowrap;
    flex-shrink: 0;
}