/* Opt-in layout for the browser ASCII caverns; shared visitor surfaces keep their defaults. */
.thesium-visitor-display.caverns-interface {
  --caverns-dock-width: 20vw;
  --caverns-edge: rgba(159, 222, 255, 0.25);
  --caverns-safe-top: env(safe-area-inset-top, 0px);
  --caverns-safe-right: env(safe-area-inset-right, 0px);
  --caverns-safe-bottom: env(safe-area-inset-bottom, 0px);
  --caverns-safe-left: env(safe-area-inset-left, 0px);
  --caverns-usable-height: calc(100dvh - var(--caverns-safe-top) - var(--caverns-safe-bottom));
  box-sizing: border-box;
  padding: var(--caverns-safe-top) var(--caverns-safe-right) var(--caverns-safe-bottom) var(--caverns-safe-left);
  grid-template-columns: minmax(0, 1fr) !important;
  grid-template-rows: minmax(0, 1fr) var(--thesium-control-height, 30%) !important;
  font-size: 12px;
}

.caverns-interface > .thesium-visitor-interface {
  display: grid !important;
  grid-template-rows: minmax(0, 1fr) 30px 28px;
  gap: 4px;
  overflow: visible !important;
  padding: 5px 8px;
  border-top: 1px solid var(--caverns-edge);
  background: #09141c !important;
}

.caverns-interface button,
.caverns-interface input,
.caverns-interface select {
  min-width: 0;
  font: inherit;
}

.caverns-interface button {
  touch-action: manipulation;
}

.caverns-interface :focus-visible {
  outline: 2px solid var(--cyan, #63d9ff);
  outline-offset: -2px;
}

.caverns-interface [hidden] {
  display: none !important;
}

.caverns-interface .caverns-room-title {
  position: absolute;
  bottom: 10px;
  left: 12px;
  max-width: calc(100% - 24px);
  margin: 0;
  padding: 4px 7px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  background: rgba(3, 10, 16, 0.86);
  border: 1px solid rgba(159, 222, 255, 0.15);
  color: var(--cyan, #63d9ff);
  font-size: 11px;
  line-height: 1.3;
  letter-spacing: 0.06em;
  pointer-events: none;
}

.caverns-interface .caverns-actions {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 6px;
}

.caverns-interface .caverns-actions .nav,
.caverns-interface .caverns-actions .quick-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: 3px;
  min-width: 0;
  min-height: 0;
  margin: 0;
}

.caverns-interface .caverns-actions .nav button[data-dir] {
  grid-row: auto;
  grid-column: auto;
}

.caverns-interface .caverns-actions button {
  min-height: 0;
  min-width: 0;
  padding: 2px 3px;
  font-size: clamp(10px, 2.7vw, 12px);
  line-height: 1.15;
  letter-spacing: 0;
  overflow-wrap: normal;
  white-space: nowrap;
}

.caverns-interface .quick-actions button {
  color: var(--gold, #ffe7a3);
  border-color: rgba(255, 231, 163, 0.28);
}

.caverns-interface #vialCommandForm {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px;
  align-items: stretch;
  min-width: 0;
  min-height: 0;
  margin: 0;
}

.caverns-interface #vialCommandForm input,
.caverns-interface #vialCommandForm button {
  width: auto;
  height: 100%;
  min-height: 0;
  margin: 0;
  padding: 3px 7px;
  line-height: 1.15;
  font-size: 12px;
}

.caverns-interface .caverns-command label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.caverns-interface .caverns-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 3px;
  min-width: 0;
  min-height: 0;
}

.caverns-interface .caverns-tab {
  min-height: 0;
  padding: 3px 2px;
  font-size: 11px;
  line-height: 1.1;
  letter-spacing: 0;
  border-color: transparent;
  border-top: 1px solid var(--caverns-edge);
  color: var(--muted, #87a1b3);
  background: transparent;
}

.caverns-interface .caverns-tab[aria-selected='true'] {
  color: var(--cyan, #63d9ff);
  border-color: rgba(99, 217, 255, 0.55);
  background: rgba(99, 217, 255, 0.08);
}

.caverns-interface .caverns-grip {
  position: absolute;
  z-index: 5;
  top: -15px;
  left: calc(50% - 30px);
  width: 60px;
  height: 20px;
  min-height: 0;
  padding: 0;
  border: 1px solid var(--caverns-edge);
  border-bottom: 0;
  border-radius: 8px 8px 0 0;
  background: #09141c;
  touch-action: none;
}

.caverns-interface .caverns-grip::after {
  content: '';
  display: block;
  height: 3px;
  width: 24px;
  margin: 5px auto;
  border-radius: 3px;
  background: var(--muted, #87a1b3);
}

.caverns-interface .caverns-pages {
  position: absolute;
  z-index: 4;
  left: 0;
  right: 0;
  bottom: 100%;
  display: flex;
  flex-direction: column;
  height: min(calc(var(--caverns-usable-height) * 0.55), 480px);
  max-height: calc(var(--caverns-usable-height) * 0.8 - 24px);
  min-width: 0;
  min-height: 0;
  padding: 8px 10px;
  background: rgba(7, 17, 27, 0.98);
  border-top: 1px solid var(--caverns-edge);
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.3);
}

.caverns-interface .caverns-reading-toolbar {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  min-height: 30px;
  margin: 0 0 6px;
  border-bottom: 1px solid rgba(159, 222, 255, 0.12);
}

.caverns-interface .caverns-auto-hide {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 28px;
  cursor: pointer;
  font-size: 11px;
  text-transform: none;
  letter-spacing: 0;
}

.caverns-interface .caverns-auto-hide input {
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: var(--cyan, #63d9ff);
}

.caverns-interface .caverns-close {
  padding: 3px 8px;
  font-size: 10px;
  text-transform: none;
}

.caverns-interface .caverns-page {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 0;
  margin: 0;
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: #456170 transparent;
}

.caverns-interface .caverns-page[data-page='journal'] {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.caverns-interface .caverns-page h2 {
  margin: 0 0 8px;
  color: var(--green, #8affb2);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.caverns-interface .caverns-history {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  overscroll-behavior: contain;
  overflow-anchor: none;
  scrollbar-width: thin;
  scrollbar-color: #456170 transparent;
  padding-right: 4px;
}

.caverns-interface .caverns-current-status {
  position: absolute;
  width: 1px;
  height: 1px;
  min-height: 0;
  padding: 0;
  margin: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.caverns-interface .caverns-message {
  margin: 0;
  padding: 10px 2px;
  border-bottom: 1px solid rgba(159, 222, 255, 0.1);
  color: #d6e8ed;
  font-size: 12px;
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.caverns-interface .caverns-message[data-kind='audio'] {
  color: var(--gold, #ffe7a3);
  border-left: 2px solid rgba(255, 231, 163, 0.5);
  padding-left: 8px;
}

.caverns-interface .caverns-new-messages {
  flex: 0 0 auto;
  padding: 7px;
  margin: 5px 0 0;
  color: var(--cyan, #63d9ff);
  font-size: 11px;
}

.caverns-interface .caverns-caption {
  position: absolute;
  top: 12px;
  left: 50%;
  z-index: 50;
  width: max-content;
  max-width: min(92%, 820px);
  max-height: min(25dvh, 9rem);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 5;
  overflow: hidden;
  transform: translateX(-50%);
  padding: 10px 16px;
  border: 1px solid rgba(255, 231, 163, 0.4);
  border-radius: 12px;
  background: rgba(6, 11, 17, 0.94);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  color: var(--gold, #ffe7a3);
  font-size: clamp(12px, 1.4vw, 16px);
  line-height: 1.45;
  text-align: center;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  pointer-events: none;
  user-select: none;
}

.caverns-interface .caverns-blockwell-stage {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.caverns-interface .caverns-blockwell-stage > [aria-label='Shared Blockwell Cell console'] {
  pointer-events: auto;
}

.caverns-interface .caverns-blockwell-controls {
  flex: 0 0 auto;
  width: 100%;
  min-width: 0;
  padding-top: 5px;
}

.caverns-interface .caverns-blockwell-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px;
  width: 100%;
  min-width: 0;
}

.caverns-interface .caverns-blockwell-controls button {
  flex: 1 1 auto;
  min-width: 32px;
  min-height: 36px;
  padding: 5px;
  font-size: 11px;
  line-height: 1.2;
  letter-spacing: 0;
}

.caverns-interface .caverns-resize {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -6px;
  z-index: 6;
  width: 12px;
  cursor: col-resize;
  touch-action: none;
}

.caverns-interface .caverns-resize::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 40%;
  bottom: 40%;
  width: 2px;
  border-radius: 2px;
  background: rgba(159, 222, 255, 0.55);
}

.caverns-interface[data-resizing='true'] {
  cursor: col-resize;
  user-select: none;
}

.thesium-visitor-display.caverns-interface[data-wide='true'][data-auto-hidden='false'] {
  grid-template-columns: minmax(0, 1fr) var(--thesium-control-width, 30vw) !important;
  grid-template-rows: 100% !important;
}

.caverns-interface[data-wide='true'][data-auto-hidden='false'] > .thesium-visitor-interface {
  grid-template-rows: 76px 34px 32px minmax(0, 1fr);
  gap: 7px;
  padding: 12px 10px 8px;
  border-top: 0;
  border-left: 1px solid var(--caverns-edge);
}

.caverns-interface[data-wide='true'][data-auto-hidden='false'] .caverns-actions {
  grid-template-columns: 1fr 1.15fr;
  gap: 5px;
}

.caverns-interface[data-wide='true'][data-auto-hidden='false'] .caverns-actions button {
  white-space: normal;
  font-size: 11px;
}

.caverns-interface[data-wide='true'][data-auto-hidden='false'] .caverns-pages {
  position: static;
  height: auto;
  max-height: none;
  padding: 0;
  border: 0;
  box-shadow: none;
  background: transparent;
}

.caverns-interface[data-wide='true'][data-auto-hidden='false'] .caverns-grip {
  display: none;
}

@media (max-width: 359px) {
  .caverns-interface > .thesium-visitor-interface {
    grid-template-rows: minmax(0, 1fr) 26px 24px;
    gap: 3px;
    padding: 4px 5px;
  }

  .caverns-interface .caverns-actions {
    gap: 4px;
  }

  .caverns-interface .caverns-actions button {
    font-size: 10px;
  }
}

@media (max-height: 600px) and (orientation: landscape) {
  .caverns-interface > .thesium-visitor-interface {
    grid-template-columns: minmax(0, 1.9fr) minmax(160px, 1fr);
    grid-template-rows: minmax(0, 1fr) 23px;
    gap: 3px 8px;
    padding: 4px 8px;
  }

  .caverns-interface .caverns-actions {
    grid-template-columns: 1fr 1.25fr;
    gap: 5px;
  }

  .caverns-interface .caverns-actions .nav,
  .caverns-interface .caverns-actions .quick-actions {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-template-rows: minmax(0, 1fr);
    gap: 3px;
  }

  .caverns-interface .caverns-actions button {
    white-space: normal;
    font-size: 10px;
  }

  .caverns-interface .caverns-tabs {
    grid-column: 1 / -1;
  }

  .caverns-interface #vialCommandForm input,
  .caverns-interface #vialCommandForm button {
    font-size: 11px;
    padding: 3px 5px;
  }

  .caverns-interface[data-wide='true'][data-auto-hidden='false'] > .thesium-visitor-interface {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: 68px 30px 26px minmax(0, 1fr);
  }

  .caverns-interface[data-wide='true'][data-auto-hidden='false'] .caverns-actions .nav,
  .caverns-interface[data-wide='true'][data-auto-hidden='false'] .caverns-actions .quick-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: repeat(2, minmax(0, 1fr));
  }
}

@media (max-height: 640px) and (orientation: portrait) {
  .caverns-interface .caverns-actions {
    grid-template-columns: minmax(80px, 0.9fr) minmax(0, 2fr);
    gap: 4px;
  }

  .caverns-interface .caverns-actions .nav,
  .caverns-interface .caverns-actions .quick-actions {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-template-rows: minmax(0, 1fr);
    gap: 3px;
  }

  .caverns-interface .caverns-actions button {
    font-size: 10px;
    padding: 2px;
  }
}

@media (max-height: 600px) and (orientation: landscape) {
  .caverns-interface .caverns-caption {
    -webkit-line-clamp: 3;
  }
}

@media (prefers-reduced-motion: reduce) {
  .caverns-interface * {
    scroll-behavior: auto;
  }
}

.caverns-experience-trail { padding: 10px 6px; border-bottom: 1px solid #7ac4b555; }
.caverns-experience-trail p { font-size: 12px; line-height: 1.5; }
.caverns-experience-trail button, .caverns-experience-trail a { display: inline-block; margin: 3px; padding: 8px; min-height: 36px; color: #d0f1e8; border: 1px solid #7ac4b566; background: #102829; border-radius: 6px; }
.caverns-experience-trail [hidden] { display: none; }

/* Categories share an adaptive dock capped at 30% of the active axis. */
.caverns-interface > .thesium-visitor-interface,
.caverns-interface[data-wide='true'][data-auto-hidden='false'] > .thesium-visitor-interface {
  grid-template-rows: 32px minmax(0, 1fr);
  gap: 3px;
  padding: 3px 6px;
}
.caverns-interface .caverns-tabs { display: flex; overflow-x: auto; }
.caverns-interface .caverns-pages {
  position: relative; inset: auto; height: 100%; max-height: none;
  padding: 0; border: 0; box-shadow: none; min-height: 0;
}
.caverns-interface:not([data-wide='true'][data-auto-hidden='false']) .caverns-reading-toolbar { display: none; }
.caverns-interface:not([data-wide='true'][data-auto-hidden='false'])[data-drawer-open='true'] .caverns-pages {
  position: relative; inset: auto;
  height: 100%; max-height: none; padding: 0;
  background: #09141c; border: 1px solid var(--caverns-edge);
}
.caverns-interface:not([data-wide='true'][data-auto-hidden='false'])[data-drawer-open='true'] .caverns-reading-toolbar { display: flex; }
.caverns-action-page .caverns-actions { min-height: 70px; margin-bottom: 6px; }
.caverns-action-page .caverns-actions button { min-height: 32px; }
.caverns-action-page .caverns-command { min-height: 34px; }