/* ==========================================================================
   OmniResume — Editor Layout
   Three-column desktop layout with sticky toolbar and mobile-first fallbacks.
   ========================================================================== */

.editor {
  --editor-topbar-height: 60px;
  --editor-sidebar-width: 260px;
  --editor-panel-width: 320px;
  --editor-page-scale: 1;
  --editor-mobile-tabs-height: 60px;

  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--color-background-soft);
  overflow: hidden;
  height: 100vh;
  height: 100dvh;
}

/* ---------- Topbar ---------- */
.editor__topbar {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--color-background-elevated);
  border-bottom: 1px solid var(--color-border);
  flex: none;
  height: var(--editor-topbar-height);
}

.editor__topbar-inner {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  height: 100%;
  padding: 0 var(--space-md);
  max-width: 100%;
}

.editor__topbar-left,
.editor__topbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex: none;
}

.editor__topbar-center {
  flex: 1 1 auto;
  display: flex;
  justify-content: center;
  min-width: 0;
}

.editor__topbar-right { margin-left: auto; }

.editor__doc-meta {
  display: flex;
  flex-direction: column;
  gap: 0;
  min-width: 0;
  max-width: 260px;
}

.editor__doc-title {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px;
  margin-left: -6px;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-strong);
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: background-color var(--duration-fast) var(--ease-out);
}

.editor__doc-title:hover {
  background: var(--color-background-muted);
}

.editor__doc-title span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.editor__doc-title svg {
  color: var(--color-text-subtle);
  flex: none;
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.editor__doc-title:hover svg { opacity: 1; }

.editor__save-status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-2xs);
  color: var(--color-text-muted);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  font-weight: var(--font-weight-semibold);
  padding-left: 6px;
}

.editor__save-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
  transition: background-color var(--duration-fast) var(--ease-out);
  flex: none;
}

.editor__save-status[data-state="saving"] .editor__save-dot {
  background: var(--color-warning);
  animation: pulse 1.4s ease-in-out infinite;
}

.editor__save-status[data-state="dirty"] .editor__save-dot {
  background: var(--color-text-subtle);
}

.editor__save-status[data-state="error"] .editor__save-dot {
  background: var(--color-danger);
}

.editor__undo-redo {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px;
  background: var(--color-background-soft);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.editor__export-menu {
  position: relative;
}

.editor__export-menu .dropdown__panel {
  top: calc(100% + 8px);
  right: 0;
  left: auto;
  min-width: 220px;
}

.editor__topbar-show-mobile { display: inline-flex; }
.editor__topbar-hide-mobile { display: none; }

/* ---------- Layout ---------- */
.editor__layout {
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: 1fr;
  min-height: 0;
  overflow: hidden;
  position: relative;
}

/* ---------- Sidebar ---------- */
.editor__sidebar {
  display: none;
  flex-direction: column;
  background: var(--color-background-elevated);
  border-right: 1px solid var(--color-border);
  min-height: 0;
  overflow: hidden;
  width: var(--editor-sidebar-width);
}

.editor__sidebar-head {
  padding: var(--space-md) var(--space-md) var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border-subtle);
  flex: none;
}

.editor__sidebar-title {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0;
}

.editor__sections {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.editor__sidebar-foot {
  padding: var(--space-sm) var(--space-md);
  border-top: 1px solid var(--color-border-subtle);
  flex: none;
}

/* ---------- Canvas ---------- */
.editor__canvas-wrap {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 1px 1px, color-mix(in srgb, var(--color-border) 60%, transparent) 1px, transparent 0) 0 0 / 20px 20px,
    var(--color-background-soft);
}

.editor__canvas-toolbar {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: color-mix(in srgb, var(--color-background-elevated) 85%, transparent);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border-bottom: 1px solid var(--color-border-subtle);
  z-index: 5;
}

.editor__zoom {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px;
  background: var(--color-background-soft);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.editor__zoom-level {
  min-width: 44px;
  text-align: center;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-strong);
  font-variant-numeric: tabular-nums;
  padding: 0 var(--space-2xs);
}

.editor__page-indicator {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-wide);
}

.editor__page-indicator span[data-page-count] {
  color: var(--color-text-strong);
  font-weight: var(--font-weight-bold);
  margin-right: 4px;
}

.editor__canvas-scroll {
  flex: 1 1 auto;
  overflow: auto;
  padding: var(--space-2xl) var(--space-lg) var(--space-4xl);
  display: flex;
  justify-content: center;
  scroll-behavior: smooth;
  position: relative;
}

.editor__canvas {
  transform-origin: top center;
  transition: transform var(--duration-base) var(--ease-out);
  will-change: transform;
}

.editor__canvas-hint {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
  background: var(--color-background-elevated);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  pointer-events: none;
  animation: fadeIn 400ms var(--ease-out) 2s both;
}

.editor__canvas-hint kbd {
  font-family: var(--font-mono);
  font-size: 0.85em;
  padding: 1px 5px;
  background: var(--color-background-muted);
  border: 1px solid var(--color-border);
  border-bottom-width: 2px;
  border-radius: var(--radius-xs);
  color: var(--color-text-strong);
}

/* ---------- Panel ---------- */
.editor__panel {
  display: none;
  flex-direction: column;
  background: var(--color-background-elevated);
  border-left: 1px solid var(--color-border);
  width: var(--editor-panel-width);
  min-height: 0;
  overflow: hidden;
}

.editor__panel-tabs {
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid var(--color-border-subtle);
  flex: none;
}

.editor__panel-tab {
  flex: 1 1 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: var(--space-sm) var(--space-xs);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  background: transparent;
  border: 0;
  cursor: pointer;
  position: relative;
  transition: color var(--duration-fast) var(--ease-out);
  letter-spacing: var(--tracking-wide);
}

.editor__panel-tab:hover { color: var(--color-text-strong); }

.editor__panel-tab[aria-selected="true"] {
  color: var(--color-primary);
}

.editor__panel-tab[aria-selected="true"]::after {
  content: '';
  position: absolute;
  left: var(--space-sm);
  right: var(--space-sm);
  bottom: -1px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

.editor__panel-body {
  flex: 1 1 auto;
  overflow-y: auto;
  overflow-x: hidden;
}

.editor__panel-view {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  animation: fadeIn 200ms var(--ease-out);
}

.editor__panel-view[hidden] { display: none; }

/* ---------- Mobile tabs ---------- */
.editor__mobile-tabs {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(var(--editor-mobile-tabs-height) + env(safe-area-inset-bottom, 0));
  padding-bottom: env(safe-area-inset-bottom, 0);
  background: var(--color-background-elevated);
  border-top: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  z-index: var(--z-sticky);
  box-shadow: 0 -8px 24px rgba(15, 23, 42, 0.06);
}

.editor__mobile-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: var(--text-2xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-out);
  position: relative;
}

.editor__mobile-tab.is-active {
  color: var(--color-primary);
}

.editor__mobile-tab.is-active::before {
  content: '';
  position: absolute;
  top: 0;
  left: 25%;
  right: 25%;
  height: 2px;
  background: var(--color-primary);
  border-radius: 0 0 2px 2px;
}

.editor__mobile-tab svg {
  width: 18px;
  height: 18px;
}

/* ---------- Backdrop ---------- */
.editor__drawer-backdrop {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  z-index: calc(var(--z-drawer) - 1);
  animation: fadeIn 180ms var(--ease-out);
}

/* ---------- Tips drawer ---------- */
.editor__tips-drawer {
  position: fixed;
  inset: 0;
  z-index: var(--z-drawer);
  pointer-events: none;
}

.editor__tips-drawer[hidden] { display: none; }

.editor__tips-panel {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(340px, 92vw);
  background: var(--color-background-elevated);
  box-shadow: var(--shadow-2xl);
  pointer-events: auto;
  display: flex;
  flex-direction: column;
  animation: fadeInLeft 240ms var(--ease-out);
  border-top-right-radius: var(--radius-xl);
  border-bottom-right-radius: var(--radius-xl);
}

.editor__tips-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border-subtle);
}

.editor__tips-title {
  font-size: var(--text-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-strong);
  margin: 0;
}

.editor__tips-body {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: var(--space-lg);
}

/* ---------- Desktop layout ---------- */
@media (min-width: 1024px) {
  :root {
    --editor-topbar-height: 64px;
  }

  .editor__layout {
    grid-template-columns: var(--editor-sidebar-width) minmax(0, 1fr) var(--editor-panel-width);
  }

  .editor__sidebar { display: flex; }
  .editor__panel { display: flex; }
  .editor__mobile-tabs { display: none; }
  .editor__topbar-show-mobile { display: none; }
  .editor__topbar-hide-mobile { display: inline-flex; }

  .editor__canvas-scroll {
    padding: var(--space-3xl) var(--space-xl) var(--space-4xl);
  }
}

/* ---------- Tablet ---------- */
@media (min-width: 768px) and (max-width: 1023px) {
  .editor__layout {
    grid-template-columns: var(--editor-sidebar-width) minmax(0, 1fr);
  }
  .editor__sidebar { display: flex; }
  .editor__canvas-scroll { padding-bottom: calc(var(--editor-mobile-tabs-height) + var(--space-2xl) + env(safe-area-inset-bottom, 0)); }
  .editor__canvas-wrap { padding-bottom: calc(var(--editor-mobile-tabs-height) + env(safe-area-inset-bottom, 0)); }
}

/* ---------- Mobile ---------- */
@media (max-width: 767px) {
  .editor__canvas-scroll {
    padding: var(--space-lg) var(--space-sm) calc(var(--editor-mobile-tabs-height) + var(--space-2xl) + env(safe-area-inset-bottom, 0));
  }

  .editor__canvas-wrap {
    padding-bottom: calc(var(--editor-mobile-tabs-height) + env(safe-area-inset-bottom, 0));
  }

  .editor__doc-meta { max-width: 160px; }
  .editor__doc-title { max-width: 160px; }
  .editor__canvas-toolbar { padding: var(--space-2xs) var(--space-sm); }

  .editor[data-mobile-view="sections"] .editor__sidebar {
    display: flex;
    position: fixed;
    inset: var(--editor-topbar-height) 0 calc(var(--editor-mobile-tabs-height) + env(safe-area-inset-bottom, 0)) 0;
    width: 100%;
    z-index: 10;
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }
  .editor[data-mobile-view="sections"] .editor__canvas-wrap { display: none; }

  .editor[data-mobile-view="preview"] .editor__canvas-wrap { display: flex; }
  .editor[data-mobile-view="preview"] .editor__sidebar { display: none; }

  .editor[data-mobile-view="design"] .editor__panel {
    display: flex;
    position: fixed;
    inset: var(--editor-topbar-height) 0 calc(var(--editor-mobile-tabs-height) + env(safe-area-inset-bottom, 0)) 0;
    width: 100%;
    z-index: 10;
    border-left: 0;
  }
  .editor[data-mobile-view="design"] .editor__canvas-wrap,
  .editor[data-mobile-view="design"] .editor__sidebar { display: none; }
}

/* ---------- Print ---------- */
@media print {
  .editor__topbar,
  .editor__sidebar,
  .editor__panel,
  .editor__canvas-toolbar,
  .editor__mobile-tabs,
  .editor__tips-drawer,
  .editor__canvas-hint { display: none !important; }

  .editor__layout { display: block !important; }
  .editor__canvas-wrap { background: #fff !important; padding: 0 !important; }
  .editor__canvas-scroll { padding: 0 !important; overflow: visible !important; }
}