/* Home-screen mode pills (Slides, Compare, Council, Study), the slide-theme gallery, the
   in-chat theme popover and the theme preview dialog. See public/js/homeModes.js. */

.home-modes {
  /* .composer-area passes clicks through (pointer-events: none); the pills and gallery take them. */
  pointer-events: auto;
  width: 100%;
  max-width: var(--composer-max);
  margin: 12px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

body.study-open .home-modes,
.study-composer-slot .home-modes,
.home-modes[hidden],
.home-modes-pills[hidden],
.home-modes-panel[hidden] {
  display: none;
}

/* ─── Scrolling home page ───
   With a panel open, the composer area becomes the page's scroller. It starts exactly where
   the home composer sits, so opening a panel moves nothing; scrolling carries the composer up
   until it sticks near the top while the gallery keeps going underneath. */

body.chat-empty.home-panel-open:not(.study-open) .composer-area {
  top: 0;
  bottom: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  pointer-events: auto;
  padding-top: 0;
  padding-bottom: 56px;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--text) 22%, transparent) transparent;
}

/* The spacer is a margin, not the scroller's padding: sticky offsets are measured inside the
   padding, which would shift the composer down by its sticky top. */
body.chat-empty.home-panel-open:not(.study-open) .composer-area .composer-wrap {
  position: sticky;
  top: 64px;
  z-index: 4;
  margin-top: max(142px, calc(50dvh - 72px));
}

@media (max-width: 768px) {
  body.chat-empty.home-panel-open:not(.study-open) .composer-area .composer-wrap {
    margin-top: max(126px, calc(50dvh - 72px));
  }
}

/* ─── Pills ─── */

.home-modes-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  animation: home-modes-panel-in 200ms var(--ease-out);
}

.home-mode-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 36px;
  padding: 0 15px;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--bg);
  color: var(--text-secondary);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--motion-fast) var(--ease-out), color var(--motion-fast) var(--ease-out), border-color var(--motion-fast) var(--ease-out), transform var(--motion-fast) var(--ease-out);
}

.home-mode-pill:hover {
  background: var(--bg-secondary);
  color: var(--text);
}

.home-mode-pill:active {
  transform: scale(0.97);
}

.home-mode-pill:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.home-mode-pill-icon {
  display: inline-flex;
  width: 16px;
  height: 16px;
}

.home-mode-pill-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.home-mode-pill[data-pill-mode="slides"] .home-mode-pill-icon {
  color: #ea580c;
}

.home-mode-pill.is-active {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg);
}

/* ─── Panel ─── */

.home-modes-panel {
  animation: home-modes-panel-in 220ms var(--ease-out);
}

.home-modes-panel[data-kind="slides"] {
  margin-top: 10px;
}

@keyframes home-modes-panel-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .home-modes-panel,
  .home-modes-pills { animation: none; }
}

/* ─── Compare / Council explainer ─── */

.home-mode-explainer {
  display: grid;
  gap: 10px;
  padding: 18px 18px 16px;
  border-radius: 22px;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  -webkit-backdrop-filter: blur(18px) saturate(1.1);
  backdrop-filter: blur(18px) saturate(1.1);
  box-shadow: var(--shadow-sm);
}

.home-mode-explainer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.home-mode-explainer-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
}

.home-mode-explainer-close:hover {
  background: var(--bg-secondary);
  color: var(--text);
}

.home-mode-explainer-body {
  margin: 0;
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.55;
}

.home-mode-examples {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

@media (max-width: 640px) {
  .home-mode-examples { grid-template-columns: 1fr; }
}

.home-mode-example {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  text-align: left;
  padding: 11px 13px;
  border: 1px solid var(--border-light);
  border-radius: 14px;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  line-height: 1.4;
  cursor: pointer;
  transition: background var(--motion-fast) var(--ease-out), border-color var(--motion-fast) var(--ease-out), transform var(--motion-fast) var(--ease-out);
}

.home-mode-example svg {
  flex: 0 0 auto;
  color: var(--text-tertiary);
  transition: transform var(--motion-fast) var(--ease-out), color var(--motion-fast) var(--ease-out);
}

.home-mode-example:hover {
  background: var(--bg-secondary);
  border-color: var(--border);
}

.home-mode-example:hover svg {
  color: var(--text);
  transform: translateX(2px);
}

.home-mode-example:active {
  transform: scale(0.99);
}

.home-mode-example:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

/* ─── Theme gallery ─── */

.home-deck-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

/* On the home page the tabs stick under the composer (top set from JS). */
.home-modes-panel .home-deck-head {
  position: sticky;
  top: var(--deck-head-top, 140px);
  z-index: 1;
}

.home-deck-tabs {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.home-deck-tab {
  flex: 0 0 auto;
  height: 34px;
  padding: 0 16px;
  border: 0;
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--motion-fast) var(--ease-out), color var(--motion-fast) var(--ease-out);
}

.home-deck-tab:hover {
  color: var(--text);
}

.home-deck-tab.is-active {
  background: color-mix(in srgb, var(--text) 9%, transparent);
  color: var(--text);
}

.home-deck-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.home-deck-category {
  height: 28px;
  padding: 0 12px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  color: var(--text-secondary);
  font-size: 12.5px;
  cursor: pointer;
  transition: background var(--motion-fast) var(--ease-out), color var(--motion-fast) var(--ease-out), border-color var(--motion-fast) var(--ease-out);
}

.home-deck-category:hover {
  background: var(--bg);
  color: var(--text);
}

.home-deck-category.is-active {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg);
}

.home-deck-grid {
  --deck-fade: -200px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px 18px;
  padding: 2px;
  /* Cards fade out as they slide under the sticky composer and tabs. */
  -webkit-mask-image: linear-gradient(to bottom, transparent var(--deck-fade), #000 calc(var(--deck-fade) + 36px));
  mask-image: linear-gradient(to bottom, transparent var(--deck-fade), #000 calc(var(--deck-fade) + 36px));
}

@media (max-width: 640px) {
  .home-deck-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 12px; }
}

.home-deck-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  min-width: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.home-deck-card-cover {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--text) 7%, transparent), 0 6px 18px -8px rgba(15, 23, 42, 0.28);
  background: var(--bg-secondary);
  transition: transform 220ms var(--ease-out), box-shadow 220ms var(--ease-out);
}

.home-deck-card:hover .home-deck-card-cover {
  transform: translateY(-3px);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--text) 10%, transparent), 0 14px 28px -12px rgba(15, 23, 42, 0.38);
}

.home-deck-card:active .home-deck-card-cover {
  transform: translateY(-1px) scale(0.99);
}

.home-deck-card:focus-visible .home-deck-card-cover {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.home-deck-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.home-deck-card.is-selected .home-deck-card-cover {
  box-shadow: 0 0 0 2px var(--text), 0 10px 24px -12px rgba(15, 23, 42, 0.4);
}

.home-deck-card-check {
  position: absolute;
  top: 9px;
  left: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--text);
  color: var(--bg);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 160ms var(--ease-out), transform 200ms var(--ease-out);
}

.home-deck-card.is-selected .home-deck-card-check {
  opacity: 1;
  transform: none;
}

.home-modes-panel .home-deck-card-name {
  text-shadow: 0 1px 10px color-mix(in srgb, var(--bg) 85%, transparent);
}

.home-deck-card-name {
  padding: 0 2px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* The Auto card: Klui picks the theme. */
.deck-auto-cover {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  background:
    radial-gradient(circle at 18% 22%, #ffd8c2 0, transparent 52%),
    radial-gradient(circle at 84% 24%, #cfe0ff 0, transparent 55%),
    radial-gradient(circle at 62% 92%, #e6d6ff 0, transparent 58%),
    radial-gradient(circle at 8% 96%, #d4f3ea 0, transparent 45%),
    #fbf8f5;
  color: #1f2937;
}

.deck-auto-word {
  font-family: "Korataki", "Orbitron", sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.deck-auto-cover.is-mini {
  gap: 4px;
}

.deck-auto-cover.is-mini .deck-auto-word {
  font-size: 8.5px;
  letter-spacing: 0.14em;
}

.home-deck-loading,
.home-deck-error {
  padding: 28px 8px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 13.5px;
}

.home-deck-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.home-deck-loading span {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--border);
  border-top-color: var(--text-secondary);
  animation: home-deck-spin 700ms linear infinite;
}

@keyframes home-deck-spin {
  to { transform: rotate(360deg); }
}

.home-deck-retry {
  margin-top: 8px;
  height: 32px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
}

.home-deck-retry:hover {
  background: var(--bg-secondary);
}

/* ─── In-chat theme popover (opens from the composer's theme card) ─── */

.deck-picker-pop {
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(100% + 10px);
  z-index: 60;
  display: flex;
  flex-direction: column;
  max-height: min(66vh, 620px);
  border: 1px solid var(--border-light);
  border-radius: 22px;
  background: var(--bg);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  overflow: hidden;
  animation: home-modes-panel-in 180ms var(--ease-out);
}

.deck-picker-pop[hidden] {
  display: none;
}

.deck-picker-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 12px 4px 20px;
  font-size: 14px;
}

.deck-picker-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
}

.deck-picker-close:hover {
  background: var(--bg-secondary);
  color: var(--text);
}

.deck-picker-body {
  overflow-y: auto;
  padding: 4px 16px 18px;
  scrollbar-width: thin;
}

.deck-picker-body .home-deck-head {
  position: sticky;
  top: -4px;
  z-index: 1;
  margin: 0 -16px 14px;
  padding: 6px 16px 10px;
  background: var(--bg);
}

.deck-picker-body .home-deck-grid {
  gap: 18px 14px;
  -webkit-mask-image: none;
  mask-image: none;
}

@media (prefers-reduced-motion: reduce) {
  .deck-picker-pop { animation: none; }
}

/* ─── Composer theme card ─── */

.composer-deck-thumb {
  position: relative;
  flex: 0 0 auto;
  width: 78px;
  height: 46px;
  margin: 2px 4px 2px 2px;
  transform: rotate(-4deg);
  transition: transform 200ms var(--ease-out);
}

.composer-deck-thumb:hover {
  transform: rotate(-2deg) translateY(-1px);
}

.composer-deck-thumb.hidden {
  display: none;
}

.composer-deck-thumb-card {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  border-radius: 9px;
  overflow: hidden;
  background: var(--bg-secondary);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--text) 9%, transparent), 0 6px 14px -6px rgba(15, 23, 42, 0.35);
  cursor: pointer;
}

.composer-deck-thumb-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.composer-deck-thumb-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.composer-deck-thumb-clear {
  position: absolute;
  top: -7px;
  right: -7px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--bg);
  color: var(--text-secondary);
  cursor: pointer;
  opacity: 0;
  transform: scale(0.85);
  transition: opacity var(--motion-fast) var(--ease-out), transform var(--motion-fast) var(--ease-out);
}

.composer-deck-thumb:hover .composer-deck-thumb-clear,
.composer-deck-thumb-clear:focus-visible {
  opacity: 1;
  transform: scale(1);
}

.composer-deck-thumb-clear:hover {
  color: var(--text);
}

.composer-deck-thumb-clear svg {
  width: 11px;
  height: 11px;
}

@media (hover: none) {
  .composer-deck-thumb-clear {
    opacity: 1;
    transform: none;
  }
}

/* ─── Preset preview dialog ─── */

.deck-preset-dialog {
  width: min(920px, calc(100vw - 32px));
  max-height: min(84vh, 760px);
  padding: 0;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  background: var(--bg);
  color: var(--text);
  box-shadow: var(--shadow-lg);
}

.deck-preset-dialog::backdrop {
  background: rgba(0, 0, 0, .38);
  backdrop-filter: blur(2px);
}

.deck-preset-dialog[open] {
  animation: home-modes-panel-in 160ms var(--ease-out);
}

.deck-preset-dialog-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  color: var(--text);
  cursor: pointer;
}

.deck-preset-dialog-close:hover {
  background: var(--bg-secondary);
}

.deck-preset-dialog-body {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(220px, 1fr);
  gap: 0;
  max-height: min(84vh, 760px);
}

.deck-preset-viewer {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  border-right: 1px solid var(--border-light);
  min-width: 0;
  /* Fast clicks on the arrows count as double clicks; keep them from selecting the slide. */
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.deck-preset-viewer img {
  -webkit-user-drag: none;
}

.deck-preset-viewer-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
}

.deck-preset-viewer-stage img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.deck-preset-viewer-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  color: var(--text);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: background var(--motion-fast) var(--ease-out);
}

.deck-preset-viewer-nav:hover {
  background: var(--bg);
}

.deck-preset-viewer-prev { left: 10px; }
.deck-preset-viewer-next { right: 10px; }

.deck-preset-viewer-thumbs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.deck-preset-thumb {
  flex: 0 0 auto;
  width: 76px;
  aspect-ratio: 16 / 9;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 6px;
  overflow: hidden;
  background: var(--bg-secondary);
  cursor: pointer;
  opacity: .65;
  transition: opacity var(--motion-fast) var(--ease-out), border-color var(--motion-fast) var(--ease-out);
}

.deck-preset-thumb:hover {
  opacity: .9;
}

.deck-preset-thumb.is-active {
  opacity: 1;
  border-color: var(--accent);
}

.deck-preset-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.deck-preset-info {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px;
  overflow-y: auto;
}

.deck-preset-info h2 {
  margin: 0;
  font-size: 19px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.deck-preset-info-category {
  margin: 0;
  color: var(--text-tertiary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.deck-preset-info-desc {
  margin: 0;
  color: var(--text-secondary);
  font-size: 13.5px;
  line-height: 1.55;
}

.deck-preset-swatches {
  display: flex;
  gap: 6px;
}

.deck-preset-swatch {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--border-light);
}

.deck-preset-use-btn {
  margin-top: auto;
  height: 42px;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: var(--accent-contrast);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--motion-fast) var(--ease-out);
}

.deck-preset-use-btn:hover {
  background: var(--accent-hover);
}

.deck-preset-use-btn.is-selected {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
}

.deck-preset-use-btn.is-selected:hover {
  background: var(--bg-secondary);
}

@media (max-width: 720px) {
  .deck-preset-dialog {
    width: calc(100vw - 20px);
    max-height: 92vh;
  }
  .deck-preset-dialog-body {
    grid-template-columns: 1fr;
    max-height: 92vh;
    overflow-y: auto;
  }
  .deck-preset-viewer {
    border-right: 0;
    border-bottom: 1px solid var(--border-light);
  }
}

/* ─── Phone layout (body.capacitor-native, also narrow windows) ───
   The composer stays pinned to the bottom, so an open panel stacks above it and scrolls on
   its own; the pills stay below the composer. */

body.capacitor-native.chat-empty.home-panel-open .composer-area {
  display: flex;
  flex-direction: column;
  overflow: visible;
  pointer-events: none;
  padding-bottom: 0;
}

body.capacitor-native.chat-empty.home-panel-open .composer-area .composer-wrap {
  position: relative;
  top: auto;
  margin-top: 0;
}

body.capacitor-native .home-modes {
  width: min(92%, 560px);
}

body.capacitor-native.home-panel-open .home-modes {
  order: -1;
  margin: 0 auto 12px;
}

body.capacitor-native .home-modes-panel {
  max-height: calc(100dvh - var(--native-keyboard-height, 0px) - 250px);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: none;
}

body.capacitor-native .home-modes-panel .home-deck-head {
  position: static;
}

body.capacitor-native .home-modes-panel .home-deck-grid {
  -webkit-mask-image: none;
  mask-image: none;
}

body.capacitor-native.chat-empty.home-panel-open #messages .empty-state {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease;
}

/* ─── Mobile ─── */

@media (max-width: 640px) {
  .home-modes-pills {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 2px;
    margin: 0 -4px;
    padding-left: 4px;
    padding-right: 4px;
    scrollbar-width: none;
  }
  .home-mode-pill {
    flex: 0 0 auto;
  }
  body.chat-empty.home-panel-open:not(.study-open) .composer-area .composer-wrap {
    top: 56px;
  }
}