/* ═══════════════════════════════════════════════════════
   FormCraft — style.css
   Aesthetic: Industrial Precision + Digital Warmth
   Palette: Deep slate/obsidian with amber-indigo accent
═══════════════════════════════════════════════════════ */

/* ── CSS Variables ── */
:root {
  --accent: #6366f1;
  --accent-glow: rgba(99,102,241,0.25);
  --accent-hover: #818cf8;
  --danger: #f43f5e;
  --success: #10b981;
  --radius: 8px;
  --font-ui: 'Inter', system-ui, sans-serif;
  --font-form: 'Inter', system-ui, sans-serif;
  --transition: 180ms cubic-bezier(0.4,0,0.2,1);
}

/* Dark theme (default) */
[data-theme="dark"] {
  --bg: #0c0c10;
  --bg-surface: #13131a;
  --bg-raised: #1a1a24;
  --bg-overlay: #22222e;
  --bg-input: #16161f;
  --border: rgba(255,255,255,0.08);
  --border-focus: rgba(99,102,241,0.6);
  --text-primary: #e8e8f0;
  --text-secondary: #7878a0;
  --text-muted: #44445a;
  --shadow: 0 4px 20px rgba(0,0,0,0.5);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.7);
  --canvas-bg: #0f0f16;
  --field-bg: #1a1a24;
  --field-bg-hover: #1e1e2a;
  --scrollbar: #2a2a38;
}

/* Light theme */
[data-theme="light"] {
  --bg: #f0f0f5;
  --bg-surface: #ffffff;
  --bg-raised: #fafafa;
  --bg-overlay: #f4f4f9;
  --bg-input: #f7f7fc;
  --border: rgba(0,0,0,0.1);
  --border-focus: rgba(99,102,241,0.5);
  --text-primary: #1a1a2e;
  --text-secondary: #555575;
  --text-muted: #9999bb;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --canvas-bg: #eaeaf2;
  --field-bg: #ffffff;
  --field-bg-hover: #f5f5ff;
  --scrollbar: #d0d0e0;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  overflow: hidden;
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--scrollbar); border-radius: 99px; }

/* ═══════════════════════════════════════════════════════
   TOP BAR
═══════════════════════════════════════════════════════ */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  padding: 0 16px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 100;
  gap: 12px;
}

.topbar-left { display: flex; align-items: center; gap: 16px; min-width: 200px; }
.topbar-center { display: flex; align-items: center; justify-content: center; flex: 1; }
.topbar-right { display: flex; align-items: center; gap: 8px; min-width: 200px; justify-content: flex-end; }

.logo { display: flex; align-items: center; gap: 8px; user-select: none; }
.logo-icon {
  font-size: 20px;
  color: var(--accent);
  line-height: 1;
  filter: drop-shadow(0 0 8px var(--accent-glow));
}
.logo-text {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text-primary) 40%, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.form-title-input {
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 4px 8px;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  min-width: 120px;
  max-width: 200px;
}
.form-title-input:hover { border-color: var(--border); }
.form-title-input:focus {
  outline: none;
  border-color: var(--border-focus);
  background: var(--bg-input);
  color: var(--text-primary);
}

/* Mode toggle */
.mode-toggle {
  display: flex;
  background: var(--bg-overlay);
  border-radius: calc(var(--radius) + 2px);
  padding: 3px;
  gap: 2px;
}
.mode-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 5px 14px;
  border: none; cursor: pointer;
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-size: 13px; font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  transition: var(--transition);
}
.mode-btn:hover { color: var(--text-primary); background: var(--bg-raised); }
.mode-btn.active {
  background: var(--bg-surface);
  color: var(--text-primary);
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

/* Buttons */
.btn-primary {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 14px;
  background: var(--accent);
  color: #fff;
  border: none; border-radius: var(--radius);
  font-family: var(--font-ui); font-size: 13px; font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 12px var(--accent-glow); }
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 12px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-ui); font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-icon {
  display: flex; align-items: center; justify-content: center;
  width: 34px; height: 34px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
}
.btn-icon:hover { border-color: var(--accent); color: var(--accent); }

.btn-danger {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 12px;
  background: transparent;
  color: var(--danger);
  border: 1px solid rgba(244,63,94,0.3);
  border-radius: var(--radius);
  font-family: var(--font-ui); font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
}
.btn-danger:hover { background: rgba(244,63,94,0.08); }

/* Preview size buttons */
.preview-size-btns {
  display: none;
  gap: 4px;
  background: var(--bg-overlay);
  border-radius: var(--radius);
  padding: 3px;
}
.preview-size-btns.visible { display: flex; }
.size-btn {
  display: flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  border: none; border-radius: calc(var(--radius) - 2px);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}
.size-btn:hover { color: var(--text-primary); background: var(--bg-raised); }
.size-btn.active { background: var(--bg-surface); color: var(--accent); }

/* Export dropdown */
.export-dropdown { position: relative; }
.export-menu {
  display: none;
  position: absolute;
  right: 0; top: calc(100% + 6px);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 170px;
  z-index: 200;
  overflow: hidden;
  animation: menuFade 120ms ease;
}
.export-menu.open { display: block; }
.export-menu button {
  display: flex; align-items: center; gap: 10px;
  width: 100%; padding: 10px 14px;
  background: transparent; border: none;
  color: var(--text-primary); font-family: var(--font-ui); font-size: 13px;
  cursor: pointer; transition: var(--transition);
  text-align: left;
}
.export-menu button:hover { background: var(--bg-overlay); color: var(--accent); }

@keyframes menuFade { from { opacity:0; transform: translateY(-4px); } to { opacity:1; transform: none; } }

/* ═══════════════════════════════════════════════════════
   WORKSPACE LAYOUT
═══════════════════════════════════════════════════════ */
.workspace {
  display: grid;
  grid-template-columns: 220px 1fr 260px;
  height: calc(100vh - 52px);
  overflow: hidden;
}

/* ── Sidebars ── */
.sidebar, .settings-panel {
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  overflow-x: hidden;
}
.settings-panel { border-right: none; border-left: 1px solid var(--border); }

.sidebar-section { padding: 14px 12px; border-bottom: 1px solid var(--border); }
.sidebar-title {
  font-family: 'Syne', sans-serif;
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

/* Field palette */
.field-palette { display: flex; flex-direction: column; gap: 4px; }
.palette-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px;
  background: var(--bg-overlay);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: grab;
  transition: var(--transition);
  user-select: none;
  font-size: 13px; color: var(--text-secondary);
}
.palette-item:hover {
  background: var(--field-bg-hover);
  border-color: var(--accent);
  color: var(--text-primary);
  transform: translateX(2px);
}
.palette-item:active { cursor: grabbing; }
.palette-item.dragging { opacity: 0.4; }
.palette-icon {
  font-family: 'DM Mono', monospace;
  font-size: 11px; font-weight: 500;
  color: var(--accent);
  width: 22px; text-align: center;
}

/* Theme controls in sidebar */
.theme-mini { display: flex; flex-direction: column; gap: 10px; }
.theme-row {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px; color: var(--text-secondary);
  cursor: pointer;
}
.theme-row input[type=color] {
  width: 32px; height: 24px;
  border: 1px solid var(--border);
  border-radius: 4px; padding: 2px;
  background: transparent; cursor: pointer;
}
.theme-row select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 12px;
  padding: 3px 6px;
  cursor: pointer;
}
.theme-row input[type=range] {
  width: 80px; accent-color: var(--accent);
}

/* ═══════════════════════════════════════════════════════
   CANVAS
═══════════════════════════════════════════════════════ */
.canvas-wrap {
  background: var(--canvas-bg);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 20px;
  gap: 16px;
  position: relative;
}

.canvas {
  width: 100%;
  max-width: 680px;
  min-height: 400px;
  background: var(--bg-surface);
  border-radius: calc(var(--radius) * 1.5);
  border: 2px dashed var(--border);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color var(--transition), box-shadow var(--transition);
  position: relative;
}
.canvas.drag-over {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-glow), var(--shadow);
}

/* Preview sizes */
.canvas-wrap.preview-tablet .canvas { max-width: 480px; }
.canvas-wrap.preview-mobile .canvas { max-width: 375px; }

/* Canvas empty state */
.canvas-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 60px 20px;
  color: var(--text-muted);
  pointer-events: none;
  user-select: none;
}
.canvas-empty .empty-icon { font-size: 32px; opacity: 0.3; }
.canvas-empty p { font-size: 14px; }
.canvas-empty .hint { font-size: 12px; opacity: 0.6; }
.canvas-empty.hidden { display: none; }

/* Step bar */
.step-bar {
  width: 100%; max-width: 680px;
  display: flex; align-items: center; gap: 12px;
}
.step-progress {
  flex: 1; height: 4px;
  background: var(--bg-overlay);
  border-radius: 99px; overflow: hidden;
}
.step-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 99px;
  transition: width 400ms cubic-bezier(0.4,0,0.2,1);
}
.step-label { font-size: 12px; color: var(--text-secondary); white-space: nowrap; }

/* Step nav */
.step-nav {
  width: 100%; max-width: 680px;
  display: flex; justify-content: space-between;
}

/* ═══════════════════════════════════════════════════════
   FORM FIELDS (Edit Mode)
═══════════════════════════════════════════════════════ */
.field-wrapper {
  position: relative;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  background: var(--field-bg);
  transition: all var(--transition);
  cursor: pointer;
  animation: fieldIn 200ms ease both;
}
@keyframes fieldIn {
  from { opacity:0; transform: translateY(6px) scale(0.98); }
  to   { opacity:1; transform: none; }
}
.field-wrapper:hover { background: var(--field-bg-hover); border-color: var(--border); }
.field-wrapper.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.field-wrapper.drag-placeholder {
  border: 2px dashed var(--accent);
  background: var(--accent-glow);
  height: 48px;
}

/* Drag handle */
.field-drag-handle {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 24px;
  display: flex; align-items: center; justify-content: center;
  cursor: grab;
  color: var(--text-muted);
  opacity: 0;
  transition: opacity var(--transition);
  font-size: 10px;
}
.field-wrapper:hover .field-drag-handle { opacity: 1; }
.field-drag-handle:active { cursor: grabbing; }

.field-inner { padding: 12px 14px 12px 28px; }

.field-label-row {
  display: flex; align-items: baseline; gap: 4px;
  margin-bottom: 7px;
}
.field-label {
  font-size: 13px; font-weight: 500; color: var(--text-primary);
}
.field-required { color: var(--danger); font-size: 12px; line-height: 1; }
.field-help { font-size: 12px; color: var(--text-secondary); margin-bottom: 7px; margin-top: -4px; }

/* Field controls (edit preview) */
.field-control input[type=text],
.field-control input[type=email],
.field-control input[type=number],
.field-control input[type=date],
.field-control textarea,
.field-control select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 2px);
  padding: 8px 10px;
  font-family: var(--font-form);
  font-size: 13px;
  color: var(--text-primary);
  pointer-events: none; /* edit mode — not interactive */
  transition: var(--transition);
  resize: none;
}
.field-control textarea { min-height: 72px; }

.field-control .radio-group,
.field-control .checkbox-group {
  display: flex; flex-direction: column; gap: 6px;
}
.field-control .radio-opt,
.field-control .check-opt {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-secondary);
}
.field-control .radio-opt input,
.field-control .check-opt input { pointer-events: none; accent-color: var(--accent); }

/* Field quick actions */
.field-actions {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  display: flex; gap: 4px;
  opacity: 0; transition: opacity var(--transition);
}
.field-wrapper:hover .field-actions { opacity: 1; }
.field-wrapper.selected .field-actions { opacity: 1; }
.field-action-btn {
  display: flex; align-items: center; justify-content: center;
  width: 26px; height: 26px;
  background: var(--bg-overlay); border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text-secondary);
  cursor: pointer; transition: var(--transition); font-size: 11px;
}
.field-action-btn:hover { color: var(--accent); border-color: var(--accent); }
.field-action-btn.delete:hover { color: var(--danger); border-color: var(--danger); }

/* Divider field */
.field-divider { height: 2px; background: var(--border); margin: 4px 14px; border-radius: 1px; }
.field-heading-text {
  font-family: 'Syne', sans-serif;
  font-size: 18px; font-weight: 700;
  color: var(--text-primary);
  padding: 4px 0;
}
.field-page-break {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 0;
  color: var(--text-muted); font-size: 12px;
  letter-spacing: 0.05em;
}
.field-page-break::before,
.field-page-break::after {
  content: '';
  flex: 1; height: 1px;
  background: var(--border);
  background-image: repeating-linear-gradient(90deg, var(--border) 0, var(--border) 6px, transparent 6px, transparent 12px);
}

/* Condition-hidden indicator */
.field-wrapper.condition-inactive {
  opacity: 0.35;
  filter: grayscale(0.5);
}
.condition-badge {
  position: absolute; top: 4px; right: 42px;
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 10px; color: var(--accent);
  font-family: 'DM Mono', monospace;
}

/* ═══════════════════════════════════════════════════════
   PREVIEW MODE
═══════════════════════════════════════════════════════ */
.canvas.preview-mode {
  border-style: solid;
  border-color: var(--border);
  cursor: default;
}
.canvas.preview-mode .field-wrapper {
  cursor: default;
  border-color: transparent;
}
.canvas.preview-mode .field-wrapper:hover { background: var(--field-bg); border-color: transparent; }
.canvas.preview-mode .field-wrapper.selected { border-color: transparent; box-shadow: none; }
.canvas.preview-mode .field-actions { display: none; }
.canvas.preview-mode .field-drag-handle { display: none; }
.canvas.preview-mode .field-wrapper.condition-inactive { display: none; }

/* Live inputs in preview */
.canvas.preview-mode .field-control input[type=text],
.canvas.preview-mode .field-control input[type=email],
.canvas.preview-mode .field-control input[type=number],
.canvas.preview-mode .field-control input[type=date],
.canvas.preview-mode .field-control textarea,
.canvas.preview-mode .field-control select {
  pointer-events: all;
}
.canvas.preview-mode .field-control input:focus,
.canvas.preview-mode .field-control textarea:focus,
.canvas.preview-mode .field-control select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.canvas.preview-mode .field-control .radio-opt input,
.canvas.preview-mode .field-control .check-opt input { pointer-events: all; cursor: pointer; }

/* Validation errors */
.field-error {
  font-size: 11px;
  color: var(--danger);
  margin-top: 5px;
  display: flex; align-items: center; gap: 4px;
  animation: errShake 300ms ease;
}
@keyframes errShake {
  0%,100% { transform: translateX(0); }
  25% { transform: translateX(-3px); }
  75% { transform: translateX(3px); }
}
.field-control.has-error input,
.field-control.has-error textarea,
.field-control.has-error select { border-color: var(--danger) !important; }

/* Submit button */
.preview-submit-wrap { padding: 16px 0 4px; }
.preview-submit {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 28px;
  background: var(--accent);
  color: #fff; border: none; border-radius: var(--radius);
  font-family: var(--font-ui); font-size: 14px; font-weight: 600;
  cursor: pointer; transition: var(--transition);
  box-shadow: 0 4px 14px var(--accent-glow);
}
.preview-submit:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 6px 20px var(--accent-glow); }

/* ═══════════════════════════════════════════════════════
   SETTINGS PANEL
═══════════════════════════════════════════════════════ */
.settings-panel { padding: 0; }
.settings-empty {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  height: 200px; padding: 24px;
  color: var(--text-muted); text-align: center; font-size: 13px;
}
.settings-empty .empty-icon { font-size: 24px; margin-bottom: 10px; opacity: 0.4; }

.settings-content { padding: 14px 14px 80px; }
.settings-content .sidebar-title { margin-bottom: 16px; }

.setting-group { margin-bottom: 16px; }
.setting-label {
  display: block; font-size: 11px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 6px;
}
.setting-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 10px;
  font-family: var(--font-ui); font-size: 13px;
  color: var(--text-primary);
  transition: var(--transition);
}
.setting-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.setting-input.small { width: calc(50% - 8px); }

.setting-toggle-row { display: flex; align-items: center; justify-content: space-between; }

/* Toggle switch */
.toggle { display: flex; align-items: center; cursor: pointer; }
.toggle input { display: none; }
.toggle-track {
  width: 36px; height: 20px;
  background: var(--bg-overlay);
  border: 1px solid var(--border);
  border-radius: 99px;
  position: relative; transition: var(--transition);
}
.toggle-track::after {
  content: '';
  position: absolute; top: 2px; left: 2px;
  width: 14px; height: 14px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: var(--transition);
}
.toggle input:checked ~ .toggle-track {
  background: var(--accent);
  border-color: var(--accent);
}
.toggle input:checked ~ .toggle-track::after {
  transform: translateX(16px);
  background: #fff;
}

/* Validation row */
.validation-row { display: flex; align-items: center; gap: 8px; }
.val-sep { color: var(--text-muted); font-size: 12px; }

/* Options list */
.options-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 8px; }
.option-row {
  display: flex; align-items: center; gap: 6px;
  animation: fieldIn 150ms ease both;
}
.option-row input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 2px);
  padding: 6px 8px;
  font-family: var(--font-ui); font-size: 12px;
  color: var(--text-primary);
}
.option-row input:focus { outline: none; border-color: var(--border-focus); }
.option-del {
  display: flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; flex-shrink: 0;
  background: transparent; border: none;
  color: var(--text-muted); cursor: pointer;
  border-radius: 4px; transition: var(--transition); font-size: 13px;
}
.option-del:hover { color: var(--danger); background: rgba(244,63,94,0.1); }

.btn-add-option {
  width: 100%; padding: 7px;
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary); font-family: var(--font-ui); font-size: 12px;
  cursor: pointer; transition: var(--transition);
}
.btn-add-option:hover { border-color: var(--accent); color: var(--accent); }

.settings-actions {
  display: flex; gap: 8px;
  padding: 14px;
  border-top: 1px solid var(--border);
  position: sticky; bottom: 0;
  background: var(--bg-surface);
}

/* ═══════════════════════════════════════════════════════
   MODALS
═══════════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center;
  z-index: 1000;
  animation: overlayIn 200ms ease;
}
.modal-overlay.open { display: flex; }
@keyframes overlayIn { from { opacity:0 } to { opacity:1 } }

.modal {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) * 2);
  box-shadow: var(--shadow-lg);
  width: 90vw; max-width: 600px;
  max-height: 80vh;
  overflow: hidden;
  display: flex; flex-direction: column;
  animation: modalIn 200ms cubic-bezier(0.34,1.56,0.64,1);
}
.modal-sm { max-width: 400px; align-items: center; padding: 32px 24px; text-align: center; }
@keyframes modalIn { from { opacity:0; transform: scale(0.92) translateY(20px); } to { opacity:1; transform: none; } }

.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-family: 'Syne', sans-serif; font-size: 16px; font-weight: 700; }
.modal-body { padding: 20px; overflow-y: auto; flex: 1; }
.modal-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  display: flex; gap: 8px; justify-content: flex-end;
}

.success-icon {
  width: 56px; height: 56px;
  background: rgba(16,185,129,0.15);
  border: 2px solid var(--success);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; color: var(--success);
  margin: 0 auto 16px;
}
.success-sub { color: var(--text-secondary); font-size: 13px; margin: 4px 0 16px; }

.json-preview {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--accent);
  text-align: left;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 200px;
  overflow-y: auto;
  width: 100%;
}

/* Response cards */
.response-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 12px;
}
.response-card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px;
  font-size: 12px; color: var(--text-muted);
  font-family: 'DM Mono', monospace;
}
.response-fields { display: flex; flex-direction: column; gap: 6px; }
.response-field { font-size: 13px; }
.response-field strong { color: var(--text-secondary); font-weight: 500; }
.no-responses {
  text-align: center; padding: 40px;
  color: var(--text-muted); font-size: 14px;
}

/* ═══════════════════════════════════════════════════════
   TOAST
═══════════════════════════════════════════════════════ */
.toast {
  position: fixed;
  bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 18px;
  font-size: 13px; color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  opacity: 0; pointer-events: none;
  transition: all 300ms cubic-bezier(0.4,0,0.2,1);
  z-index: 9999; white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.success { border-color: var(--success); color: var(--success); }
.toast.error { border-color: var(--danger); color: var(--danger); }

/* ═══════════════════════════════════════════════════════
   DRAG & DROP GHOST / INDICATORS
═══════════════════════════════════════════════════════ */
.drop-indicator {
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin: 2px 0;
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 1s ease infinite alternate;
}
@keyframes pulse {
  from { opacity: 0.6; } to { opacity: 1; }
}

/* ═══════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .workspace { grid-template-columns: 180px 1fr; }
  .settings-panel { display: none; }
  .topbar-right .btn-ghost { display: none; }
}
@media (max-width: 600px) {
  .workspace { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .topbar-left .form-title-input { display: none; }
}

/* ═══════════════════════════════════════════════════════
   UTILITY
═══════════════════════════════════════════════════════ */
.hidden { display: none !important; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }