/* ══════════════════════════════════════════════════════
   FormCraft — Visual Form Builder
   Design: Clean Light SaaS
   Font: Outfit (UI) + DM Mono (data)
══════════════════════════════════════════════════════ */

/* ─── CSS Variables — Full Light Theme ─── */
:root {
  /* Brand accents (kept vibrant) */
  --brand-accent:  #4f8ef7;
  --brand-accent2: #7c5cfc;
  --brand-green:   #22c55e;
  --brand-red:     #ef4444;
  --brand-yellow:  #f59e0b;
  --brand-orange:  #f97316;

  /* Surface palette — all light */
  --app-bg:         #f0f4fa;
  --header-bg:      #ffffff;
  --header-border:  #e4e9f2;
  --lib-bg:         #f8f9fc;
  --lib-border:     #e4e9f2;
  --lib-header-bg:  #ffffff;
  --lib-hover:      #eef1f8;
  --lib-group-clr:  #a0aec0;
  --canvas-bg:      #edf0f7;
  --canvas-card:    #ffffff;
  --canvas-border:  #dde4f0;
  --settings-bg:    #f8f9fc;
  --settings-card:  #ffffff;
  --settings-border:#e4e9f2;

  /* Text */
  --text-primary:   #1a202c;
  --text-secondary: #4a5568;
  --text-muted:     #94a3b8;

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(30,40,80,.07), 0 1px 2px rgba(30,40,80,.05);
  --shadow-md:   0 4px 16px rgba(30,40,80,.09);
  --shadow-lg:   0 12px 40px rgba(30,40,80,.14);
  --shadow-glow: 0 0 0 3px rgba(79,142,247,.22);

  /* Shape */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  /* Layout widths */
  --header-h:   56px;
  --lib-w:      290px;   /* LEFT panel */
  --settings-w: 340px;   /* RIGHT panel */
  --trans: all .2s cubic-bezier(.4,0,.2,1);
}

/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Outfit', sans-serif;
  background: var(--app-bg);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
  display: flex;
  flex-direction: column;
}
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #d1d9ea; border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: #b8c3dc; }

/* ══════════════════════════════════════════════════════
   TOP HEADER
══════════════════════════════════════════════════════ */
.app-header {
  height: var(--header-h);
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 16px;
  flex-shrink: 0;
  z-index: 100;
  box-shadow: 0 1px 0 rgba(30,40,80,.06);
}
.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.brand-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--brand-accent), var(--brand-accent2));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 15px;
  box-shadow: 0 2px 8px rgba(79,142,247,.35);
}
.brand-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -.3px;
}
.brand-badge {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .5px;
  text-transform: uppercase;
  background: rgba(79,142,247,.1);
  color: var(--brand-accent);
  border: 1px solid rgba(79,142,247,.25);
  padding: 2px 8px;
  border-radius: 99px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}
.btn-ghost {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid #dde4f0;
  color: var(--text-secondary);
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 13px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--trans);
  white-space: nowrap;
}
.btn-ghost:hover {
  background: var(--lib-hover);
  border-color: #c5cfe4;
  color: var(--text-primary);
}
.btn-preview {
  display: flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--brand-accent), var(--brand-accent2));
  border: none;
  color: #fff;
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--trans);
  box-shadow: 0 2px 8px rgba(79,142,247,.3);
}
.btn-preview:hover {
  opacity: .9;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(79,142,247,.4);
}

/* ══════════════════════════════════════════════════════
   MAIN LAYOUT
══════════════════════════════════════════════════════ */
.app-body {
  display: flex;
  flex: 1;
  overflow: hidden;
  height: calc(100vh - var(--header-h));
}

/* ─── Shared Panel ─── */
.panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.panel-header {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 13px 18px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  border-bottom: 1px solid;
  flex-shrink: 0;
  color: var(--text-secondary);
}
.panel-header i { color: var(--brand-accent); }

/* ══════════════════════════════════════════════════════
   LEFT: FIELD LIBRARY
══════════════════════════════════════════════════════ */
.panel-library {
  width: var(--lib-w);
  min-width: 260px;
  flex-shrink: 0;
  background: var(--lib-bg);
  border-right: 1px solid var(--lib-border);
}
.panel-library .panel-header {
  border-bottom-color: var(--lib-border);
  background: var(--lib-header-bg);
}

.library-search {
  position: relative;
  padding: 11px 14px 10px;
  flex-shrink: 0;
  background: var(--lib-header-bg);
  border-bottom: 1px solid var(--lib-border);
}
.library-search i {
  position: absolute;
  left: 26px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 12px;
  margin-top: 1px;
}
.library-search input {
  width: 100%;
  background: var(--lib-bg);
  border: 1.5px solid #dde4f0;
  border-radius: var(--radius-sm);
  padding: 7px 10px 7px 30px;
  font-family: 'Outfit', sans-serif;
  font-size: 12.5px;
  color: var(--text-primary);
  outline: none;
  transition: var(--trans);
}
.library-search input:focus {
  border-color: var(--brand-accent);
  background: #fff;
  box-shadow: var(--shadow-glow);
}
.library-search input::placeholder { color: var(--text-muted); }

.library-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 6px 0 24px;
}

.field-group { margin-bottom: 2px; }
.field-group-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--lib-group-clr);
  padding: 14px 16px 5px;
}

.field-tile {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 8px 16px;
  cursor: grab;
  transition: var(--trans);
  user-select: none;
  position: relative;
}
.field-tile:hover { background: var(--lib-hover); }
.field-tile:hover::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--brand-accent), var(--brand-accent2));
  border-radius: 0 3px 3px 0;
}
.field-tile:active { cursor: grabbing; opacity: .7; }

.field-tile-icon {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1.5px solid #dde4f0;
  border-radius: var(--radius-sm);
  color: var(--brand-accent);
  font-size: 12px;
  flex-shrink: 0;
  transition: var(--trans);
  box-shadow: var(--shadow-sm);
}
.field-tile:hover .field-tile-icon {
  background: rgba(79,142,247,.08);
  border-color: rgba(79,142,247,.35);
  box-shadow: none;
}
.field-tile span {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 400;
  transition: var(--trans);
}
.field-tile:hover span { color: var(--text-primary); font-weight: 500; }
.field-tile.dragging-source { opacity: .35; }

/* ══════════════════════════════════════════════════════
   MIDDLE: CANVAS  (flex:1 — naturally narrower)
══════════════════════════════════════════════════════ */
.panel-canvas {
  flex: 1;
  background: var(--canvas-bg);
  border-right: 1px solid var(--canvas-border);
  position: relative;
  min-width: 0;
}
.panel-canvas .panel-header {
  border-bottom-color: var(--canvas-border);
  background: #fff;
  box-shadow: 0 1px 0 rgba(30,40,80,.05);
}

.canvas-meta { display: flex; align-items: center; gap: 8px; }
.field-count-badge {
  font-size: 11px;
  font-weight: 600;
  background: rgba(79,142,247,.1);
  color: var(--brand-accent);
  border: 1px solid rgba(79,142,247,.22);
  padding: 2px 10px;
  border-radius: 99px;
  font-family: 'DM Mono', monospace;
}

.canvas-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  position: relative;
}

/* Drop empty state */
.drop-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 70px 32px;
  border: 2px dashed #c8d3e8;
  border-radius: var(--radius-xl);
  color: var(--text-muted);
  transition: var(--trans);
  background: rgba(255,255,255,.6);
}
.drop-empty.drag-over {
  border-color: var(--brand-accent);
  background: rgba(79,142,247,.04);
  color: var(--brand-accent);
}
.drop-empty-icon {
  width: 68px; height: 68px;
  border-radius: 50%;
  background: rgba(79,142,247,.07);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  color: #c8d3e8;
  margin-bottom: 18px;
  transition: var(--trans);
}
.drop-empty.drag-over .drop-empty-icon {
  background: rgba(79,142,247,.12);
  color: var(--brand-accent);
}
.drop-empty h5 { font-size: 15px; font-weight: 600; color: #64748b; margin-bottom: 7px; }
.drop-empty p  { font-size: 13px; color: var(--text-muted); max-width: 250px; line-height: 1.6; }

/* Dropped fields */
.dropped-fields-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 10px;
}

/* ─── Field Card ─── */
.field-card {
  background: var(--canvas-card);
  border: 1.5px solid #e2e8f3;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--trans);
  animation: cardIn .25s cubic-bezier(.4,0,.2,1);
  position: relative;
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(-8px) scale(.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.field-card:hover { border-color: #bfcde8; box-shadow: var(--shadow-md); }
.field-card.active-edit {
  border-color: var(--brand-accent);
  box-shadow: var(--shadow-glow), var(--shadow-sm);
}
.field-card.sortable-ghost {
  opacity: .4;
  border-style: dashed;
  border-color: var(--brand-accent);
  background: rgba(79,142,247,.04);
}
.field-card.sortable-chosen { opacity: .85; cursor: grabbing; }

.field-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 13px;
  background: #f8fafd;
  border-bottom: 1px solid #edf1f9;
}
.drag-handle {
  color: #c5cfe4;
  cursor: grab;
  font-size: 13px;
  padding: 2px 4px;
  transition: color .15s;
}
.drag-handle:hover { color: #94a3b8; }
.field-type-icon {
  width: 26px; height: 26px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(79,142,247,.12), rgba(124,92,252,.12));
  display: flex; align-items: center; justify-content: center;
  font-size: 11px;
  color: var(--brand-accent);
}
.field-type-label {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-muted);
}
.field-label-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.field-required-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .3px;
  background: rgba(239,68,68,.08);
  color: var(--brand-red);
  border: 1px solid rgba(239,68,68,.18);
  padding: 1px 7px;
  border-radius: 99px;
}
.field-card-actions { display: flex; gap: 2px; }
.field-action-btn {
  width: 28px; height: 28px;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--trans);
}
.field-action-btn:hover        { background: #edf1f9; color: var(--text-primary); }
.field-action-btn.btn-delete:hover { background: rgba(239,68,68,.09); color: var(--brand-red); }
.field-action-btn.btn-edit:hover   { background: rgba(79,142,247,.1);  color: var(--brand-accent); }
.field-action-btn.btn-dup:hover    { background: rgba(34,197,94,.09);  color: var(--brand-green); }

.field-card-body { padding: 13px 15px; pointer-events: none; }

/* ─── Field preview elements ─── */
.preview-label {
  font-size: 13px;
  font-weight: 600;
  color: #374151;
  margin-bottom: 6px;
  display: flex; align-items: center; gap: 4px;
}
.preview-required { color: var(--brand-red); font-size: 12px; }
.preview-input {
  width: 100%;
  padding: 7px 11px;
  border: 1.5px solid #e2e8f0;
  border-radius: var(--radius-sm);
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  color: var(--text-muted);
  background: #f9fafb;
  outline: none;
}
.preview-textarea { resize: none; }
.preview-select { appearance: none; }
.preview-options { display: flex; flex-direction: column; gap: 6px; }
.preview-option  { display: flex; align-items: center; gap: 8px; font-size: 13px; color: #6b7280; }
.preview-range-wrap { display: flex; align-items: center; gap: 10px; }
.preview-range { flex: 1; accent-color: var(--brand-accent); }
.preview-range-val { font-family: 'DM Mono',monospace; font-size: 12px; color: var(--brand-accent); min-width: 28px; text-align: right; }
.preview-stars { display: flex; gap: 4px; color: #fbbf24; font-size: 18px; }
.preview-file-area {
  border: 2px dashed #dde4f0;
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
  color: var(--text-muted);
  font-size: 12.5px;
  background: #f9fafb;
}
.preview-file-area i { font-size: 20px; display: block; margin-bottom: 6px; color: #c8d3e8; }
.preview-toggle-wrap { display: flex; align-items: center; gap: 10px; }
.preview-toggle { width: 42px; height: 24px; background: #e2e8f0; border-radius: 99px; position: relative; }
.preview-toggle::after {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  background: #fff;
  border-radius: 50%;
  top: 3px; left: 3px;
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
.preview-color-wrap { display: flex; align-items: center; gap: 10px; }
.preview-color-swatch { width: 36px; height: 36px; border-radius: var(--radius-sm); background: #4f8ef7; border: 2px solid #e2e8f0; }
.preview-signature-box {
  border: 2px dashed #dde4f0;
  border-radius: var(--radius-sm);
  height: 80px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 13px; background: #f9fafb;
}
.preview-location-box {
  border: 2px dashed #dde4f0;
  border-radius: var(--radius-sm);
  padding: 12px;
  display: flex; align-items: center; gap: 10px;
  color: var(--text-muted); font-size: 13px; background: #f9fafb;
}
.preview-location-box i { color: var(--brand-red); font-size: 18px; }

/* ══════════════════════════════════════════════════════
   FIELD EDITOR (slide-up panel)
══════════════════════════════════════════════════════ */
.field-editor {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: #fff;
  border-top: 2px solid var(--brand-accent);
  box-shadow: 0 -6px 28px rgba(30,40,80,.1);
  z-index: 50;
  transform: translateY(100%);
  transition: transform .3s cubic-bezier(.4,0,.2,1);
  max-height: 55%;
  display: flex;
  flex-direction: column;
}
.field-editor.open { transform: translateY(0); }

.field-editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 20px;
  border-bottom: 1px solid #edf1f9;
  font-size: 12px;
  font-weight: 700;
  color: var(--brand-accent);
  text-transform: uppercase;
  letter-spacing: .6px;
  flex-shrink: 0;
  background: #f8fafd;
}
.close-editor {
  background: none; border: none;
  color: var(--text-muted);
  font-size: 16px; cursor: pointer;
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  transition: var(--trans);
}
.close-editor:hover { background: #edf1f9; color: var(--text-primary); }

.field-editor-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  align-content: start;
  background: #fff;
}
.editor-field { display: flex; flex-direction: column; gap: 5px; }
.editor-field.full-width { grid-column: 1 / -1; }
.editor-label {
  font-size: 11px;
  font-weight: 700;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.editor-input {
  padding: 8px 11px;
  border: 1.5px solid #e2e8f0;
  border-radius: var(--radius-sm);
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  color: var(--text-primary);
  background: #fafbfc;
  outline: none;
  transition: var(--trans);
}
.editor-input:focus {
  border-color: var(--brand-accent);
  background: #fff;
  box-shadow: var(--shadow-glow);
}
.editor-toggle-row { display: flex; align-items: center; gap: 10px; }
.editor-toggle-row label { font-size: 13px; color: #374151; }
.toggle-switch {
  width: 40px; height: 22px;
  background: #e2e8f0;
  border-radius: 99px;
  position: relative; cursor: pointer;
  transition: background .2s;
  flex-shrink: 0;
}
.toggle-switch.on { background: var(--brand-green); }
.toggle-switch::after {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  background: #fff;
  border-radius: 50%;
  top: 3px; left: 3px;
  transition: left .2s;
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
.toggle-switch.on::after { left: 21px; }

.field-editor-footer {
  padding: 11px 20px;
  border-top: 1px solid #edf1f9;
  flex-shrink: 0;
  background: #f8fafd;
}
.btn-apply {
  display: flex;
  align-items: center;
  gap: 7px;
  background: linear-gradient(135deg, var(--brand-accent), var(--brand-accent2));
  border: none;
  color: #fff;
  font-family: 'Outfit', sans-serif;
  font-size: 13.5px;
  font-weight: 600;
  padding: 9px 22px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--trans);
  box-shadow: 0 2px 8px rgba(79,142,247,.25);
}
.btn-apply:hover { opacity: .9; transform: translateY(-1px); }
.btn-apply:active { transform: translateY(0); }

/* ══════════════════════════════════════════════════════
   RIGHT: SETTINGS PANEL
══════════════════════════════════════════════════════ */
.panel-settings {
  width: var(--settings-w);
  min-width: 300px;
  flex-shrink: 0;
  background: var(--settings-bg);
  border-left: 1px solid var(--settings-border);
}
.panel-settings .panel-header {
  border-bottom-color: var(--settings-border);
  background: #fff;
  box-shadow: 0 1px 0 rgba(30,40,80,.05);
}

.settings-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.settings-section {
  background: var(--settings-card);
  border: 1px solid var(--settings-border);
  border-radius: var(--radius-md);
  padding: 15px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow-sm);
}
.settings-section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .7px;
  color: #64748b;
  display: flex; align-items: center; gap: 7px;
  padding-bottom: 6px;
  border-bottom: 1px solid #f0f4fa;
}
.settings-section-title i { color: var(--brand-accent); }

.settings-field { display: flex; flex-direction: column; gap: 5px; }
.settings-label { font-size: 12.5px; font-weight: 600; color: #374151; }
.req { color: var(--brand-red); }

.settings-input {
  width: 100%;
  padding: 8px 12px;
  border: 1.5px solid #dde4f0;
  border-radius: var(--radius-sm);
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  color: var(--text-primary);
  background: #f9fafb;
  outline: none;
  transition: var(--trans);
}
.settings-input:focus {
  border-color: var(--brand-accent);
  background: #fff;
  box-shadow: var(--shadow-glow);
}
.settings-textarea { resize: vertical; min-height: 72px; }

/* User search */
.user-search-wrap { position: relative; }
.user-search-wrap i {
  position: absolute;
  left: 10px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted); font-size: 12px;
}
.user-search-wrap .settings-input { padding-left: 30px; }

.user-select-all {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 4px;
  border-bottom: 1px solid #f0f4fa;
}
.user-check-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 600;
  color: #374151;
  cursor: pointer;
}
.user-check-label input { accent-color: var(--brand-accent); width: 14px; height: 14px; }
.selected-count {
  font-size: 11px;
  font-weight: 600;
  font-family: 'DM Mono', monospace;
  color: var(--brand-accent);
}

.user-list {
  max-height: 200px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.user-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--trans);
}
.user-item:hover { background: var(--lib-hover); }
.user-item.selected { background: rgba(79,142,247,.06); }
.user-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; color: #fff;
  flex-shrink: 0;
}
.user-name { font-size: 12.5px; color: #374151; flex: 1; }
.user-check {
  width: 16px; height: 16px;
  border: 1.5px solid #c8d3e8;
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px;
  color: transparent;
  transition: var(--trans);
  flex-shrink: 0;
}
.user-item.selected .user-check {
  background: var(--brand-accent);
  border-color: var(--brand-accent);
  color: #fff;
}

/* ─── Assign Button ─── */
.settings-footer { margin-top: auto; padding-top: 4px; }
.btn-assign {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #22c55e, #16a34a);
  border: none;
  color: #fff;
  font-family: 'Outfit', sans-serif;
  font-size: 14px;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--trans);
  box-shadow: 0 4px 14px rgba(34,197,94,.25);
  letter-spacing: .2px;
}
.btn-assign:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(34,197,94,.35); }
.btn-assign:active { transform: translateY(0); }

/* ══════════════════════════════════════════════════════
   MODALS
══════════════════════════════════════════════════════ */
.modal-custom {
  border: none;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.modal-header-custom {
  background: linear-gradient(135deg, #f8fafd, #f0f4fa);
  border-bottom: 1px solid #e4e9f2;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header-custom h5 {
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 700;
  margin: 0;
}
.btn-close-custom {
  background: none; border: none;
  color: var(--text-muted);
  font-size: 16px; cursor: pointer;
  width: 30px; height: 30px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  transition: var(--trans);
}
.btn-close-custom:hover { background: #e4e9f2; color: var(--text-primary); }

.modal-footer-custom {
  border-top: 1px solid #e4e9f2;
  padding: 14px 22px;
  background: #f8fafd;
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}
.btn-ghost-sm {
  display: flex; align-items: center; gap: 6px;
  background: #fff;
  border: 1.5px solid #dde4f0;
  color: var(--text-secondary);
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  font-weight: 500;
  padding: 7px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--trans);
}
.btn-ghost-sm:hover { background: #f0f4fa; border-color: #c5cfe4; color: var(--text-primary); }

/* Success modal */
.success-icon {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(34,197,94,.12), rgba(22,163,74,.12));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto;
  font-size: 38px;
  color: var(--brand-green);
  animation: popIn .4s cubic-bezier(.34,1.56,.64,1);
}
@keyframes popIn {
  from { transform: scale(0); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}
.modal-title-text { font-size: 20px; font-weight: 700; color: var(--text-primary); }
.modal-sub-text   { font-size: 14px; color: var(--text-muted); margin-top: 8px; line-height: 1.6; }
.btn-modal-close {
  display: inline-flex;
  align-items: center;
  margin-top: 24px;
  padding: 10px 32px;
  background: linear-gradient(135deg, var(--brand-accent), var(--brand-accent2));
  border: none;
  color: #fff;
  font-family: 'Outfit', sans-serif;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--trans);
}
.btn-modal-close:hover { opacity: .9; transform: translateY(-1px); }
.modal-help-text { font-size: 13px; color: #64748b; margin-bottom: 12px; }

/* Preview form */
.preview-form-wrap {
  background: #f8fafd;
  border-radius: var(--radius-lg);
  border: 1px solid #e4e9f2;
  padding: 24px;
}
.preview-form-title { font-size: 20px; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.preview-form-desc  { font-size: 13.5px; color: #64748b; margin-bottom: 24px; }
.preview-form-field { margin-bottom: 18px; }
.preview-form-field label {
  display: block;
  font-size: 13.5px; font-weight: 600; color: #374151; margin-bottom: 6px;
}
.preview-form-field label span { color: var(--brand-red); }
.preview-form-field input,
.preview-form-field textarea,
.preview-form-field select {
  width: 100%;
  padding: 9px 13px;
  border: 1.5px solid #dde4f0;
  border-radius: var(--radius-sm);
  font-family: 'Outfit', sans-serif;
  font-size: 13.5px;
  color: var(--text-primary);
  outline: none;
  background: #fff;
  transition: var(--trans);
}
.preview-form-field input:focus,
.preview-form-field textarea:focus,
.preview-form-field select:focus {
  border-color: var(--brand-accent);
  box-shadow: var(--shadow-glow);
}
.preview-form-submit {
  display: flex;
  align-items: center;
  gap: 7px;
  background: linear-gradient(135deg, var(--brand-accent), var(--brand-accent2));
  border: none;
  color: #fff;
  font-family: 'Outfit', sans-serif;
  font-size: 14px;
  font-weight: 600;
  padding: 11px 28px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  margin-top: 8px;
}

/* ─── Toast ─── */
#appToast {
  background: #fff;
  color: var(--text-primary);
  border: 1px solid #dde4f0;
  border-radius: var(--radius-md);
  font-family: 'Outfit', sans-serif;
  font-size: 13.5px;
  min-width: 240px;
  box-shadow: var(--shadow-md);
}
#appToast.toast-success { border-left: 3px solid var(--brand-green); }
#appToast.toast-error   { border-left: 3px solid var(--brand-red); }
#appToast.toast-info    { border-left: 3px solid var(--brand-accent); }
#appToast .btn-close    { filter: none; }

/* ─── Canvas drag state ─── */
.canvas-body.drag-active .drop-empty {
  border-color: var(--brand-accent);
  background: rgba(79,142,247,.04);
}
.canvas-body.drag-active { background: rgba(79,142,247,.02); }

/* ─── Touch drag ghost chip ─── */
#touchDragGhost {
  position: fixed;
  z-index: 9999;
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--brand-accent), var(--brand-accent2));
  color: #fff;
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 99px;
  box-shadow: 0 8px 24px rgba(79,142,247,.45);
  white-space: nowrap;
  transform: scale(1.05);
  transition: box-shadow .15s, background .15s;
  user-select: none;
  -webkit-user-select: none;
}
#touchDragGhost.ghost-valid {
  background: linear-gradient(135deg, var(--brand-green), #16a34a);
  box-shadow: 0 8px 24px rgba(34,197,94,.4);
}

/* ─── Mobile: tap-to-add hint ─── */
.tap-hint {
  display: none;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--brand-accent);
  background: rgba(79,142,247,.08);
  border: 1px solid rgba(79,142,247,.2);
  border-radius: 99px;
  padding: 4px 12px;
  margin: 8px 14px 0;
  width: fit-content;
}
@media (hover: none) and (pointer: coarse) {
  /* Touch device — show tap hint, hide it on library header area */
  .tap-hint { display: flex; }
  /* Make field tiles slightly taller for easier tapping */
  .field-tile { padding: 10px 16px; }
  /* Show tap-to-add cursor style */
  .field-tile { cursor: pointer; }
}

/* ─── Animations ─── */
@keyframes highlightPulse {
  0%   { box-shadow: 0 0 0 0 rgba(79,142,247,.35); }
  70%  { box-shadow: 0 0 0 8px rgba(79,142,247,0); }
  100% { box-shadow: 0 0 0 0 rgba(79,142,247,0); }
}
.field-card.just-added { animation: cardIn .25s ease, highlightPulse .6s .25s ease; }

/* ─── Avatar colours ─── */
.avatar-0 { background: linear-gradient(135deg,#4f8ef7,#7c5cfc); }
.avatar-1 { background: linear-gradient(135deg,#22c55e,#16a34a); }
.avatar-2 { background: linear-gradient(135deg,#f59e0b,#f97316); }
.avatar-3 { background: linear-gradient(135deg,#ef4444,#dc2626); }
.avatar-4 { background: linear-gradient(135deg,#8b5cf6,#7c3aed); }
.avatar-5 { background: linear-gradient(135deg,#06b6d4,#0284c7); }
.avatar-6 { background: linear-gradient(135deg,#ec4899,#db2777); }
.avatar-7 { background: linear-gradient(135deg,#84cc16,#65a30d); }
.avatar-8 { background: linear-gradient(135deg,#f97316,#ea580c); }
.avatar-9 { background: linear-gradient(135deg,#a855f7,#9333ea); }

/* ══════════════════════════════════════════════════════
   TOUCH DRAG GHOST
══════════════════════════════════════════════════════ */
#touchDragGhost {
  position: fixed;
  z-index: 9999;
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--brand-accent), var(--brand-accent2));
  color: #fff;
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: 99px;
  box-shadow: 0 8px 24px rgba(79,142,247,.45);
  white-space: nowrap;
  transform: scale(1.05);
  transition: background .15s, box-shadow .15s;
  user-select: none;
  -webkit-user-select: none;
}
#touchDragGhost.ghost-valid {
  background: linear-gradient(135deg, var(--brand-green), #16a34a);
  box-shadow: 0 8px 24px rgba(34,197,94,.4);
}

/* ══════════════════════════════════════════════════════
   MOBILE PANEL INNER / COLLAPSE
   Panels are always expanded on ≥lg (desktop).
   On <lg they are collapsed via JS toggling .panel-collapsed.
══════════════════════════════════════════════════════ */

/* On desktop: panel-inner just fills available space normally */
.panel-inner {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
  transition: max-height .3s cubic-bezier(.4,0,.2,1);
}

/* The toggle chevron only shows on mobile (<lg) */
.toggle-chevron {
  font-size: 12px;
  color: var(--text-muted);
  transition: transform .25s ease;
  flex-shrink: 0;
}

/* Tap hint — hidden by default, shown only on touch devices via media query below */
.tap-hint {
  display: none;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
  color: var(--brand-accent);
  background: rgba(79,142,247,.1);
  border: 1px solid rgba(79,142,247,.22);
  border-radius: 99px;
  padding: 3px 10px;
  white-space: nowrap;
}

/* On touch devices show the tap hint */
@media (hover: none) and (pointer: coarse) {
  .tap-hint { display: flex; }
  .field-tile { padding: 10px 16px; cursor: pointer; }
}

/* ══════════════════════════════════════════════════════
   FIELD GRID — tiles in a 2-col grid on mobile
   (reverts to list on desktop)
══════════════════════════════════════════════════════ */
.field-grid {
  display: flex;
  flex-direction: column; /* list on desktop */
}

/* ══════════════════════════════════════════════════════
   RESPONSIVE BREAKPOINTS
══════════════════════════════════════════════════════ */

/* ── XL: slightly tighten panels ── */
@media (max-width: 1280px) {
  :root { --lib-w: 260px; --settings-w: 310px; }
}

/* ── LG: panels start to compress ── */
@media (max-width: 1024px) {
  :root { --lib-w: 230px; --settings-w: 270px; }
}

/* ── MD & below: switch to vertical stacked layout ── */
@media (max-width: 991.98px) {
  /* Allow page to scroll vertically */
  body { overflow-x: hidden; overflow-y: auto; }

  /* Main body stacks panels vertically */
  .app-body {
    flex-direction: column;
    height: auto;
    overflow: visible;
  }

  /* Side panels become full-width */
  .panel-library,
  .panel-settings {
    width: 100% !important;
    min-width: unset;
    flex-shrink: 0;
    border-right: none;
    border-left: none;
    border-bottom: 1px solid var(--lib-border);
  }

  /* Panel header becomes a tap target */
  .panel-toggle {
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
  }
  .panel-toggle:active { background: var(--lib-hover); }

  /* panel-inner: collapsible on mobile */
  .panel-inner {
    max-height: 400px;
    overflow: hidden;
  }
  .panel-inner.panel-collapsed {
    max-height: 0;
    overflow: hidden;
  }

  /* Library scroll capped so it doesn't eat too much vertical space */
  .library-scroll { max-height: 280px; overflow-y: auto; }

  /* Settings scroll height */
  .settings-scroll { max-height: 360px; overflow-y: auto; }

  /* Canvas: natural height, no fixed heights */
  .panel-canvas { min-height: 50vh; }

  /* Field grid: 2 columns on mobile for compact tile layout */
  .field-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  /* Editor grid: single column on mobile */
  .field-editor-body { grid-template-columns: 1fr; }

  /* Tighten canvas padding on medium screens */
  .canvas-body { padding: 14px; }
}

/* ── SM & below ── */
@media (max-width: 575.98px) {
  .canvas-body { padding: 12px; }
  .field-editor-body { padding: 12px 14px; gap: 10px; }

  /* Date fields side-by-side on small screens (override Bootstrap col) */
  .settings-section .row { --bs-gutter-x: .5rem; }
}

/* ── XS ── */
@media (max-width: 400px) {
  /* Single-column tile grid on very small phones */
  .field-grid { grid-template-columns: 1fr; }
}