/* ==========================================================================
 * Yeni tasarım (Tabler düzeni) — yalnızca html[data-design="tabler"] iken geçerli.
 * Klasik tasarımı etkileyen tek bir kural yoktur. Düzeni src/app/37-design-tabler.js
 * kurar: üst barda adımlar, solda adım paneli, ortada sahne, sağda ayrıntılar.
 * Renkler Tabler'ın koyu temasından alınmıştır.
 * ========================================================================== */

html[data-design="tabler"],
html[data-design="tabler"] body {
  --bg-dark: #151f2c;
  --bg-header: #182433;
  --bg-panel: #182433;
  --bg-canvas: #111a25;
  --bg-toolbar: #182433;
  --bg-card: #1d2b3d;
  --bg-dropzone: rgba(255, 255, 255, 0.02);
  --bg-input: #151f2c;
  --bg-tabs: #151f2c;
  --bg-btn-sec: #24364b;
  --text-sec-btn: #e6eaf0;
  --border-color: #2a3c53;
  --border-focus: #3a8ee6;
  --accent-primary: #3a8ee6;
  --accent-primary-hover: #066fd1;
  --accent-gradient: linear-gradient(135deg, #066fd1 0%, #066fd1 100%);
  --text-main: #e6eaf0;
  --text-muted: #9aa8bb;
  --text-dim: #8391a7;
  --brand-title-fill: #e6eaf0;
  --brand-title-bg: none;
  --shadow-lg: 0 18px 40px rgba(0, 0, 0, 0.35);
  --shadow-glow: none;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --kb-surface: #182433;
  --kb-surface-2: #1d2b3d;
  --kb-primary: #066fd1;
  --kb-primary-text: #4d9ff0;
  --kb-green: #1a7f37;
  --kb-dot: rgba(255, 255, 255, 0.06);
  --kb-rail-w: 52px;
}

html[data-design="tabler"] body {
  background: var(--bg-dark);
}

html[data-design="tabler"] .kb-ico {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

/* ---------- Header: brand | steps | actions ---------- */
html[data-design="tabler"] .app-header {
  height: 60px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 16px;
  padding: 0 16px;
  background: var(--kb-surface);
  backdrop-filter: none;
  border-bottom: 1px solid var(--border-color);
}

html[data-design="tabler"] .app-header .brand img {
  width: 32px;
  height: 32px;
}

html[data-design="tabler"] .app-header .s-425fc {
  display: none;
}

html[data-design="tabler"] .header-actions {
  justify-content: flex-end;
  gap: 6px;
  min-width: 0;
}

html[data-design="tabler"] .header-btn-group {
  background: transparent;
  border: 0;
  padding: 0;
}

html[data-design="tabler"] .header-actions > .btn,
html[data-design="tabler"] .header-btn-group .btn,
html[data-design="tabler"] .header-dropdown-trigger {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

/* Icon-only header actions so the steps keep the centre (labels stay in the tooltips) */
html[data-design="tabler"] .header-btn-group .btn > span,
html[data-design="tabler"] .header-dropdown-trigger > span,
html[data-design="tabler"] .header-dropdown-trigger .dropdown-chevron,
html[data-design="tabler"] #gdriveHeaderStatusText {
  display: none;
}

html[data-design="tabler"] .header-btn-group .btn,
html[data-design="tabler"] .header-dropdown-trigger {
  width: 36px;
  height: 36px;
  padding: 0;
  justify-content: center;
}

html[data-design="tabler"] #btnDesignToggle {
  white-space: nowrap;
}

html[data-design="tabler"] #gdriveHeaderPill {
  padding: 8px 10px !important;
}

html[data-design="tabler"] .header-actions > .btn:hover,
html[data-design="tabler"] .header-btn-group .btn:hover,
html[data-design="tabler"] .header-dropdown-trigger:hover {
  background: var(--kb-surface-2);
}

/* Stepper (the app's own tab buttons, moved into the header) */
html[data-design="tabler"] .app-header .tabs-header {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  background: var(--bg-tabs);
  border: 1px solid var(--border-color);
  border-radius: 999px;
}

html[data-design="tabler"] .app-header .tab-btn {
  flex: 0 0 auto;
  gap: 8px;
  padding: 6px 14px 6px 6px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  box-shadow: none;
  white-space: nowrap;
}

html[data-design="tabler"] .app-header .tab-btn + .tab-btn::before {
  content: "";
  position: relative;
  left: -10px;
  width: 14px;
  height: 1px;
  margin-right: -14px;
  background: var(--border-color);
}

html[data-design="tabler"] .app-header .tab-btn + .tab-btn {
  margin-left: 14px;
}

html[data-design="tabler"] .app-header .tab-btn:hover {
  color: var(--text-main);
  background: transparent;
}

html[data-design="tabler"] .app-header .tab-btn.active {
  background: var(--kb-surface-2);
  color: var(--text-main);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

html[data-design="tabler"] .kb-step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 600;
  background: var(--kb-surface);
  border: 1px solid var(--border-color);
  font-variant-numeric: tabular-nums;
}

html[data-design="tabler"] .tab-btn.active .kb-step-num {
  background: var(--kb-primary);
  border-color: var(--kb-primary);
  color: #fff;
}

html[data-design="tabler"] .tab-btn.kb-done .kb-step-num {
  background: var(--kb-green);
  border-color: var(--kb-green);
  color: #fff;
}

/* ---------- Work area: step panel | stage | inspector ---------- */
html[data-design="tabler"] .app-container {
  --kb-left: var(--kb-left-w, 380px);
  --kb-right: var(--kb-right-w, 340px);
  grid-template-columns: var(--kb-left) minmax(0, 1fr) var(--kb-right);
  height: calc(100vh - 60px);
  transition: grid-template-columns 0.2s ease;
}

html[data-design="tabler"] .app-container.kb-no-insp {
  --kb-right: 0px;
}

html[data-design="tabler"] .app-container.kb-no-insp .kb-insp {
  display: none;
}

html[data-design="tabler"] .app-container.kb-left-collapsed {
  --kb-left: var(--kb-rail-w);
}

html[data-design="tabler"] .app-container.kb-right-collapsed:not(.kb-no-insp) {
  --kb-right: var(--kb-rail-w);
}

html[data-design="tabler"] .app-container.kb-resizing {
  transition: none;
  user-select: none;
  cursor: col-resize;
}

html[data-design="tabler"] .sidebar,
html[data-design="tabler"] .kb-insp {
  position: relative;
  min-width: 0;
  background: var(--kb-surface);
}

html[data-design="tabler"] .kb-insp {
  display: flex;
  flex-direction: column;
  min-height: 0;
  border-left: 1px solid var(--border-color);
}

html[data-design="tabler"] .kb-insp-pane {
  display: none;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

html[data-design="tabler"] .kb-insp-pane.is-current {
  display: block;
}

/* Sections become flat blocks with dividers instead of boxed cards */
html[data-design="tabler"] .sidebar .tab-content {
  padding: 0 0 24px;
  gap: 0;
}

html[data-design="tabler"] .sidebar .section-card,
html[data-design="tabler"] .kb-insp .section-card {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border-color);
  border-radius: 0;
  padding: 18px 20px;
  box-shadow: none;
}

html[data-design="tabler"] .sidebar .section-title,
html[data-design="tabler"] .kb-insp .section-title {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

html[data-design="tabler"] .sidebar .section-title .btn,
html[data-design="tabler"] .kb-insp .section-title .btn {
  text-transform: none;
  letter-spacing: 0;
}

html[data-design="tabler"] .sidebar .export-accordion-card {
  margin: 0 16px 8px;
  background: var(--kb-surface-2);
  box-shadow: none;
}

html[data-design="tabler"] .sidebar .tab-content > :first-child:not(.section-card) {
  margin-top: 16px;
}

/* Back / Next footer */
html[data-design="tabler"] .kb-pane-foot {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 12px 16px;
  border-top: 1px solid var(--border-color);
  background: var(--kb-surface);
}

html[data-design="tabler"] .kb-pane-foot .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 38px;
  font-weight: 600;
}

html[data-design="tabler"] .kb-pane-foot .kb-btn-back {
  background: transparent;
  border-color: transparent;
}

html[data-design="tabler"] .kb-pane-foot .kb-btn-next {
  flex: 1;
}

/* ---------- Collapsed rails, resize handles, corner toggles ---------- */
html[data-design="tabler"] .kb-rail {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 0;
}

html[data-design="tabler"] .kb-left-collapsed .sidebar > :not(.kb-rail),
html[data-design="tabler"] .kb-right-collapsed .kb-insp > :not(.kb-rail) {
  display: none !important;
}

html[data-design="tabler"] .kb-left-collapsed .sidebar > .kb-rail,
html[data-design="tabler"] .kb-right-collapsed .kb-insp > .kb-rail {
  display: flex;
}

html[data-design="tabler"] .kb-rail-sep {
  width: 24px;
  height: 1px;
  background: var(--border-color);
  margin: 4px 0;
}

html[data-design="tabler"] .kb-rail-btn {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  display: grid;
  place-items: center;
  cursor: pointer;
  position: relative;
}

html[data-design="tabler"] .kb-rail-btn:hover {
  background: var(--kb-surface-2);
  color: var(--text-main);
}

html[data-design="tabler"] .kb-rail-btn.is-active {
  background: rgba(6, 111, 209, 0.18);
  color: var(--kb-primary-text);
}

html[data-design="tabler"] .kb-rail-btn.is-done::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 6px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--kb-green);
  box-shadow: 0 0 0 2px var(--kb-surface);
}

html[data-design="tabler"] .kb-resize {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 8px;
  z-index: 20;
  cursor: col-resize;
  touch-action: none;
}

html[data-design="tabler"] .sidebar > .kb-resize {
  right: -4px;
}

html[data-design="tabler"] .kb-insp > .kb-resize {
  left: -4px;
}

html[data-design="tabler"] .kb-resize::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 3px;
  width: 2px;
  background: transparent;
  transition: background-color 0.15s ease;
}

html[data-design="tabler"] .kb-resize:hover::after,
html[data-design="tabler"] .kb-resize.is-dragging::after {
  background: var(--kb-primary);
}

html[data-design="tabler"] .kb-edge {
  position: absolute;
  top: 14px;
  z-index: 15;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--kb-surface);
  color: var(--text-muted);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  cursor: pointer;
}

html[data-design="tabler"] .kb-edge:hover {
  color: var(--text-main);
}

html[data-design="tabler"] .kb-edge-left {
  left: 14px;
}

html[data-design="tabler"] .kb-edge-right {
  right: 14px;
}

html[data-design="tabler"] .kb-no-insp .kb-edge-right {
  display: none;
}

/* ---------- Stage: dotted canvas with a floating toolbar ---------- */
html[data-design="tabler"] .canvas-area {
  background-color: var(--bg-canvas);
  background-image: radial-gradient(var(--kb-dot) 1px, transparent 1px);
  background-size: 18px 18px;
}

html[data-design="tabler"] .canvas-toolbar {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  height: auto;
  max-width: calc(100% - 120px);
  gap: 4px;
  padding: 4px 6px;
  background: var(--kb-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  white-space: nowrap;
}

html[data-design="tabler"] .canvas-toolbar .toolbar-left-group,
html[data-design="tabler"] .canvas-toolbar .toolbar-right-group,
html[data-design="tabler"] .canvas-toolbar .history-controls {
  gap: 2px !important;
  align-items: center;
}

html[data-design="tabler"] .canvas-toolbar .toolbar-divider {
  width: 1px;
  height: 22px;
  margin: 0 6px;
  background: var(--border-color);
}

html[data-design="tabler"] .canvas-toolbar .record-navigator {
  gap: 2px;
}

html[data-design="tabler"] .canvas-toolbar .nav-btn {
  background: transparent;
  border-color: transparent;
}

html[data-design="tabler"] .canvas-toolbar .nav-btn:hover {
  background: var(--kb-surface-2);
  color: var(--text-main);
}

html[data-design="tabler"] .canvas-toolbar .record-counter {
  min-width: 84px;
  text-align: center;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* Ön / Arka as a segmented control */
html[data-design="tabler"] .canvas-toolbar .side-switcher {
  gap: 0 !important;
  padding: 2px;
  border-radius: 8px;
  background: var(--bg-tabs);
}

html[data-design="tabler"] .canvas-toolbar #btnSideFront,
html[data-design="tabler"] .canvas-toolbar #btnSideBack {
  background: transparent !important;
  border-color: transparent !important;
  box-shadow: none !important;
  color: var(--text-muted) !important;
  padding: 4px 12px !important;
  font-weight: 500 !important;
}

html[data-design="tabler"] .canvas-toolbar #btnSideFront.btn-primary,
html[data-design="tabler"] .canvas-toolbar #btnSideBack.btn-primary {
  background: var(--kb-surface-2) !important;
  color: var(--text-main) !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3) !important;
}

/* Other toolbar buttons: icon-only ghost buttons (the label stays in the tooltip) */
html[data-design="tabler"] .canvas-toolbar .toolbar-right-group .btn {
  background: transparent !important;
  border-color: transparent !important;
  box-shadow: none !important;
  color: var(--text-muted) !important;
  font-size: 0 !important;
  gap: 0 !important;
  width: 34px;
  height: 32px;
  padding: 0 !important;
  justify-content: center;
}

html[data-design="tabler"] .canvas-toolbar .toolbar-right-group .btn:hover:not(:disabled) {
  background: var(--kb-surface-2) !important;
  color: var(--text-main) !important;
}

html[data-design="tabler"] .canvas-toolbar .toolbar-right-group .btn > span {
  display: none;
}

html[data-design="tabler"] .canvas-toolbar .toolbar-right-group .btn svg {
  width: 17px !important;
  height: 17px !important;
  color: currentColor !important;
}

html[data-design="tabler"] .canvas-toolbar #btnQuickPrintToolbar {
  background: var(--kb-primary) !important;
  color: #fff !important;
  margin-left: 4px;
}

html[data-design="tabler"] .canvas-toolbar #btnQuickPrintToolbar:hover {
  background: #0560b6 !important;
}

html[data-design="tabler"] .canvas-viewport {
  padding: 76px 28px 24px;
}

html[data-design="tabler"] .canvas-wrapper {
  border-radius: 6px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45), 0 2px 6px rgba(0, 0, 0, 0.3);
}

/* Record strip */
html[data-design="tabler"] .filmstrip-container {
  background: var(--kb-surface);
  border-top: 1px solid var(--border-color);
  box-shadow: none;
}

/* ---------- Dropdowns and modals pick up the palette through the variables ---------- */
html[data-design="tabler"] .header-dropdown-menu {
  background: var(--kb-surface);
  border-color: var(--border-color);
  /* Header buttons sit near the right edge here: open towards the left */
  left: auto;
  right: 0;
}