/* =========================
   DRAWER SHELL
========================= */

.utility-drawer,
.stats-drawer {
  position: fixed;
  top: 0;
  z-index: 1200;
  height: 100dvh;
  background: var(--bg-surface);
  overflow: hidden;
}

.utility-drawer {
  left: 0;
  width: min(var(--drawer-left-width), var(--drawer-left-max-width));
  transform: translateX(-100%);
  transition: transform var(--transition-drawer);
}

.utility-drawer.open {
  transform: translateX(0);
}

.stats-drawer {
  right: 0;
  width: min(var(--drawer-right-width), var(--drawer-right-max-width));
  transform: translateX(100%);
  transition: transform var(--transition-drawer);
}

.stats-drawer.open {
  transform: translateX(0);
}

/* =========================
   SHARED ICON SYSTEM
========================= */

.utility-drawer button,
.stats-drawer button,
.topbar button,
.main-editor-actions button,
.import-label,
.custom-word-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
}

.utility-drawer button i,
.stats-drawer button i,
.topbar button i,
.main-editor-actions button i,
.import-label i,
.custom-word-chip i {
  width: 1em;
  min-width: 1em;
  font-size: 1rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: currentColor;
  flex-shrink: 0;
}

/* icon-only buttons */
#infoPanelToggle,
#searchPanelToggle,
#namesPanelToggle,
#goalsPanelToggle,
#previewBookBtn,
#themeToggleBtn,
#saveProjectBtn,
.drawer-close,
#addCustomWordBtn {
  padding: 0;
}

#infoPanelToggle i,
#searchPanelToggle i,
#namesPanelToggle i,
#goalsPanelToggle i,
#previewBookBtn i,
#themeToggleBtn i,
#saveProjectBtn i,
#addCustomWordBtn i {
  font-size: 1rem;
}

/* =========================
   DRAWER TOP BARS
========================= */

.utility-drawer-topbar,
.stats-drawer-topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--bg-surface);
}

.utility-drawer-topbar-inner,
.stats-drawer-topbar .top-nav-inner {
  max-width: none;
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.utility-drawer-topbar-inner {
  justify-content: flex-start;
}

.utility-drawer-subnav .utility-drawer-topbar-inner {
  flex-wrap: wrap;
}

.stats-drawer-topbar .top-nav-inner {
  justify-content: space-between;
}

.utility-drawer-topbar .import-label,
.utility-drawer-topbar button,
.stats-drawer-topbar button {
  min-height: var(--control-height-md);
  padding: var(--space-3) var(--space-5);
  font-size: var(--font-size-sm);
}

.utility-drawer-topbar .drawer-close,
.stats-drawer-topbar .drawer-close {
  width: var(--close-size);
  height: var(--close-size);
}

.utility-drawer-topbar .drawer-close {
  margin-left: auto;
}

/* =========================
   GENERIC DRAWER CONTROLS
========================= */

.drawer-header {
  height: var(--header-height);
  padding: 0 var(--space-7);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-close {
  width: var(--close-size);
  height: var(--close-size);
  border-radius: var(--radius-pill);
  background: var(--bg-glass);
  color: var(--text-muted);
  flex-shrink: 0;
}

/* =========================
   DRAWER PANEL TOGGLES
========================= */

#infoPanelToggle,
#searchPanelToggle,
#namesPanelToggle,
#goalsPanelToggle,
#previewBookBtn,
#themeToggleBtn {
  width: var(--control-height-xl);
  min-width: var(--control-height-xl);
  height: var(--control-height-xl);
  border: none;
  border-radius: var(--radius-pill);
  background: var(--bg-glass);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  flex: 0 0 auto;
}

#infoPanelToggle.is-active,
#searchPanelToggle.is-active,
#namesPanelToggle.is-active,
#goalsPanelToggle.is-active,
#previewBookBtn.is-active,
#themeToggleBtn.is-active {
  background: var(--accent-soft);
  color: var(--accent);
}

/* =========================
   DRAWER BODY
========================= */

.drawer-body {
  height: calc(100dvh - var(--header-height));
  padding: var(--space-7) var(--space-6) var(--space-13);
  overflow-y: auto;
}

.drawer-body > *:first-child {
  margin-top: 0;
}

.drawer-body > *:last-child {
  margin-bottom: var(--space-6);
}

.stats-drawer .drawer-body {
  padding-top: 0;
}

/* =========================
   UTILITY PANELS
========================= */

.drawer-body > .utility-panel {
  margin-top: 0;
  padding-top: 0;
}

.utility-panel {
  overflow: hidden;
  opacity: 1;
  max-height: 1000px;
  transition:
    opacity var(--transition-fast),
    max-height var(--transition-fast);
}

.utility-panel:not(.is-hidden) {
  margin-top: var(--space-6);
  margin-bottom: var(--space-8);
}

.utility-panel.is-hidden {
  opacity: 0;
  max-height: 0;
  margin: 0;
  padding: 0;
  pointer-events: none;
}

.drawer-body > .utility-panel:not(.is-hidden) + .tool-card {
  margin-top: var(--space-8);
  padding-top: var(--space-8);
}

/* =========================
   DRAWER OVERLAYS
========================= */

.utility-overlay,
.stats-overlay {
  position: fixed;
  inset: 0;
  z-index: 1150;
  background: var(--bg-overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.utility-overlay.open,
.stats-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* =========================
   DRAWER EDGE TOGGLES
========================= */

.utility-toggle,
.stats-toggle {
  position: fixed;
  top: var(--space-7);
  z-index: 1100;
  width: var(--toggle-size);
  height: var(--toggle-size);
  padding: 0;
  border-radius: var(--radius-pill);
  background: var(--bg-card);
  color: var(--text-muted);
}

.utility-toggle {
  left: var(--space-7);
}

.stats-toggle {
  right: var(--space-7);
}

/* =========================
   TOOL LAYOUTS
========================= */

.tool-grid {
  display: grid;
  gap: var(--space-6);
}

.dictionary-grid {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: stretch;
  gap: var(--space-4);
}

.dictionary-grid button {
  min-height: var(--control-height-lg);
  padding: 0 var(--space-8);
  background: var(--bg-glass);
  color: var(--text-secondary);
  white-space: nowrap;
}

.dictionary-grid button:hover {
  background: var(--bg-glass-strong);
  color: var(--text-primary);
}

.tool-actions {
  display: flex;
  flex-wrap: nowrap;
  align-items: stretch;
  gap: var(--space-4);
  min-width: 0;
  margin-top: var(--space-6);
}

.tool-actions button {
  flex: 1 1 0;
  min-width: 0;
  min-height: var(--control-height-lg);
  white-space: nowrap;
}

/* =========================
   STATS DRAWER
========================= */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: 0;
}

.stat-card {
  padding: var(--space-7) var(--space-8);
  border-radius: var(--radius-lg);
  background: var(--bg-main);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-3);
  min-height: 72px;
}

.stat-card-wide {
  grid-column: span 2;
  align-items: flex-start;
}

.stat-card-wide .stat-value {
  font-size: 1rem;
  font-weight: 500;
}

.stat-label {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  opacity: 0.7;
}

.stat-value {
  color: var(--text-secondary);
  font-size: var(--control-height-md);
  font-weight: 600;
}

/* =========================
   GOALS PANEL
========================= */

.goal-input {
  width: 100%;
}

#goalsPanel {
  padding: var(--space-6);
  background: transparent;
  border-radius: var(--radius-lg);
}

#goalsPanel .tool-grid {
  gap: var(--space-6);
}

#goalsPanel .stat-label {
  margin-bottom: var(--space-2);
}

.stats-goals-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.stats-goals-actions button {
  flex: 1 1 0;
}

.stats-save-status {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  opacity: 0.8;
}

/* =========================
   SEARCH
========================= */

.search-results {
  margin-top: var(--space-6);
}

.search-result-card {
  width: 100%;
  margin-bottom: var(--space-4);
  padding: var(--space-6) var(--space-7);
  border-radius: var(--radius-lg);
  background: var(--bg-search-card);
  text-align: left;
}

.search-result-card:hover {
  background: var(--bg-search-card-hover);
}

.search-result-title {
  margin-bottom: var(--space-2);
  color: var(--text-primary);
  font-weight: 600;
}

.search-result-snippet {
  color: var(--text-secondary);
  line-height: var(--line-height-preview);
}

/* =========================
   CUSTOM WORDS
========================= */

.custom-words-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.custom-word-chip {
  padding: var(--space-4) var(--space-6);
  border: none;
  border-radius: var(--radius-pill);
  background: var(--bg-glass);
  color: var(--text-secondary);
}

.custom-word-chip:hover {
  background: var(--bg-glass-strong);
  color: var(--text-primary);
}

/* =========================
   TRASH
========================= */

.trash-list {
  padding: var(--space-6) var(--space-7);
  display: grid;
  gap: var(--space-6);
  margin-top: 0;
  padding-top: 0;
}

.trash-item {
  padding: var(--space-6) var(--space-7);
  border-radius: var(--radius-lg);
  background: var(--bg-trash-item);
}

.trash-item-title {
  margin-bottom: var(--space-2);
  color: var(--text-primary);
  font-weight: 600;
}

.trash-item-preview {
  margin-bottom: var(--space-5);
  color: var(--text-secondary);
  line-height: var(--line-height-preview);
  white-space: pre-wrap;
}

.trash-item-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* =========================
   SAVE BUTTON ANIMATION
========================= */

#saveProjectBtn {
  transition:
    transform var(--transition-fast),
    opacity var(--transition-fast),
    background var(--transition-fast),
    color var(--transition-fast);
}

#saveProjectBtn.is-saving {
  transform: scale(0.92);
  opacity: 0.75;
}

@keyframes savePulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.08);
  }
  100% {
    transform: scale(1);
  }
}

#saveProjectBtn.saved {
  animation: savePulse 0.28s ease;
}