:root {
  --color-background: #05090f;
  --color-surface: #0b1420;
  --color-surface-raised: #101e2c;
  --color-text: #e7f5fb;
  --color-text-muted: #91a9b5;
  --color-accent: #35d9ee;
  --color-accent-soft: rgba(53, 217, 238, 0.16);
  --color-warning: #ef4b57;
  --color-border: rgba(126, 215, 229, 0.25);
  --shadow-panel: 0 1.5rem 5rem rgba(0, 0, 0, 0.45);
  --focus-ring: 0 0 0 0.2rem rgba(53, 217, 238, 0.4);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-width: 20rem;
  min-height: 100%;
  margin: 0;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
  color: var(--color-text);
  background:
    radial-gradient(circle at 50% 25%, #10293a 0, transparent 38%),
    var(--color-background);
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
}

button {
  font: inherit;
}

button:focus-visible {
  outline: 0.125rem solid var(--color-accent);
  outline-offset: 0.2rem;
  box-shadow: var(--focus-ring);
}

[hidden] {
  display: none !important;
}

.app-shell,
.scene {
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
}

.title-scene,
.game-scene {
  display: grid;
  place-items: center;
}

.title-scene::before {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(53, 217, 238, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 217, 238, 0.035) 1px, transparent 1px);
  background-size: 3rem 3rem;
  content: "";
  pointer-events: none;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}

.title-panel {
  position: relative;
  width: min(90vw, 48rem);
  padding: clamp(2rem, 7vw, 5rem);
  border: 1px solid var(--color-border);
  background: linear-gradient(145deg, rgba(16, 30, 44, 0.96), rgba(7, 14, 23, 0.96));
  box-shadow: var(--shadow-panel);
  text-align: center;
}

.title-panel::after {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  width: 3rem;
  height: 0.18rem;
  background: var(--color-accent);
  content: "";
}

.system-label {
  margin: 0 0 1.25rem;
  color: var(--color-accent);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
}

h1 {
  margin: 0;
  font-size: clamp(2.25rem, 7vw, 5rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 0.98;
}

h1 span {
  display: block;
  margin-top: 0.65rem;
  color: var(--color-text-muted);
  font-size: 0.32em;
  font-weight: 500;
  letter-spacing: 0.16em;
  line-height: 1.3;
}

.subtitle {
  margin: 1.5rem 0 2.25rem;
  color: var(--color-text-muted);
  font-size: clamp(1rem, 2vw, 1.2rem);
}

.button,
.icon-button {
  border: 1px solid transparent;
  color: var(--color-text);
  cursor: pointer;
}

.button {
  min-height: 2.75rem;
  padding: 0.65rem 1.1rem;
  letter-spacing: 0.04em;
}

.button--primary {
  border-color: var(--color-accent);
  color: #021014;
  background: var(--color-accent);
  font-weight: 700;
}

.button--primary:hover {
  background: #86effa;
}

.game-scene {
  position: relative;
  padding: clamp(0.5rem, 2vw, 1.5rem);
}

.room-backdrop {
  display: none;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  user-select: none;
}

.game-viewport {
  position: relative;
  z-index: 1;
  width: min(calc(100vw - 1rem), calc((100vh - 1rem) * 16 / 9));
  width: min(calc(100vw - 1rem), calc((100dvh - 1rem) * 16 / 9));
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background:
    radial-gradient(ellipse at 50% 48%, rgba(31, 119, 146, 0.2), transparent 48%),
    linear-gradient(180deg, #0d1822, #04090e);
  box-shadow:
    0 1.5rem 5rem rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(53, 217, 238, 0.08),
    0 0 3rem rgba(25, 130, 154, 0.08);
}

.room-layer,
.hotspot-layer,
.effects-layer {
  position: absolute;
  inset: 0;
}

.room-layer {
  z-index: 1;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(2, 7, 11, 0.74), transparent 20% 80%, rgba(2, 7, 11, 0.74)),
    linear-gradient(180deg, #0b141d, #03070b);
}

.room-layer::before {
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: 0;
  background:
    radial-gradient(circle at 48% 20%, rgba(111, 231, 246, 0.22), transparent 43%),
    linear-gradient(180deg, rgba(16, 113, 146, 0.24), rgba(3, 39, 61, 0.32));
  content: "";
  mix-blend-mode: screen;
  pointer-events: none;
  transition: opacity 1.15s ease;
}

.room-layer::after {
  position: absolute;
  inset: 0;
  z-index: 2;
  border: clamp(0.2rem, 0.6vw, 0.55rem) solid rgba(8, 17, 24, 0.72);
  box-shadow:
    inset 0 0 3rem rgba(0, 0, 0, 0.42),
    inset 0 -2rem 3rem rgba(0, 0, 0, 0.18);
  content: "";
  pointer-events: none;
}

.room-image {
  position: absolute;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  filter: saturate(0.98) contrast(1.02);
}

.hotspot-layer {
  z-index: 2;
  pointer-events: none;
}

.effects-layer {
  z-index: 3;
  pointer-events: none;
}

.room-placeholder {
  display: grid;
  width: 100%;
  height: 100%;
  place-content: center;
  gap: 0.75rem;
  color: var(--color-text-muted);
  background:
    linear-gradient(135deg, transparent 49.8%, var(--color-border) 50%, transparent 50.2%),
    linear-gradient(45deg, transparent 49.8%, var(--color-border) 50%, transparent 50.2%),
    var(--color-surface);
  text-align: center;
}

.room-placeholder span {
  color: var(--color-accent);
  font-size: clamp(1rem, 3vw, 2rem);
  letter-spacing: 0.25em;
}

.room-placeholder small {
  font-size: clamp(0.65rem, 1.4vw, 0.9rem);
}

.game-toolbar {
  position: absolute;
  z-index: 5;
  top: clamp(0.5rem, 1.5vw, 1rem);
  right: clamp(0.5rem, 1.5vw, 1rem);
}

.button--quiet,
.button--secondary {
  border-color: var(--color-border);
  background: rgba(5, 9, 15, 0.82);
}

.button--quiet {
  min-height: 2.25rem;
  padding: 0.4rem 0.75rem;
  color: var(--color-text-muted);
  font-size: clamp(0.7rem, 1.3vw, 0.9rem);
}

.button--quiet:hover,
.button--secondary:hover,
.icon-button:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.dialogue-box {
  position: absolute;
  z-index: 6;
  right: clamp(0.6rem, 2vw, 1.5rem);
  bottom: clamp(0.6rem, 2vw, 1.5rem);
  left: clamp(0.6rem, 2vw, 1.5rem);
  min-height: 24%;
  padding: clamp(0.75rem, 2vw, 1.25rem);
  border: 1px solid var(--color-border);
  border-left: 0.25rem solid var(--color-accent);
  background: rgba(5, 12, 20, 0.94);
  box-shadow: 0 0.75rem 2rem rgba(0, 0, 0, 0.38);
}

.dialogue-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.dialogue-speaker {
  margin: 0;
  color: var(--color-accent);
  font-size: clamp(0.75rem, 1.6vw, 1rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.icon-button {
  width: 2rem;
  height: 2rem;
  padding: 0;
  border-color: var(--color-border);
  background: transparent;
  font-size: 1.3rem;
  line-height: 1;
}

.dialogue-text {
  margin: 0.55rem 0 0;
  color: var(--color-text);
  font-size: clamp(0.8rem, 1.7vw, 1.05rem);
  line-height: 1.5;
}

.dialogue-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: clamp(0.5rem, 1vw, 1rem);
}

.button--secondary {
  min-height: 2.25rem;
  padding-block: 0.35rem;
  color: var(--color-accent);
}

@media (max-height: 34rem) {
  .dialogue-box {
    min-height: auto;
    padding-block: 0.55rem;
  }

  .dialogue-text {
    margin-top: 0.25rem;
    line-height: 1.3;
  }

  .dialogue-actions {
    margin-top: 0.3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* Escape-Room room states */
.room-stage {
  position: absolute;
  top: 0;
  left: 50%;
  width: min(100%, calc(100% * 3 / 4 * 16 / 9));
  height: 100%;
  transform: translateX(-50%);
}

.room-stage .room-layer,
.room-stage .hotspot-layer,
.room-stage .effects-layer {
  position: absolute;
  inset: 0;
}

.room-image {
  transition: filter 1.15s ease;
}

.hotspot-layer {
  pointer-events: none;
}

.hotspot {
  position: absolute;
  z-index: 1;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 0.35rem;
  outline: 0;
  background: transparent;
  cursor: pointer;
  pointer-events: auto;
  transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.hotspot:hover {
  border-color: rgba(79, 224, 241, 0.64);
  background: rgba(53, 217, 238, 0.035);
  box-shadow: inset 0 0 1.2rem rgba(53, 217, 238, 0.09), 0 0 0.8rem rgba(53, 217, 238, 0.18);
}

.hotspot:focus-visible {
  border-color: var(--color-accent);
  outline: 0.13rem solid var(--color-accent);
  outline-offset: 0.12rem;
  background: rgba(53, 217, 238, 0.07);
  box-shadow: 0 0 1rem rgba(53, 217, 238, 0.32);
}

.debug-hotspots .hotspot {
  border-color: var(--color-warning);
  background: rgba(239, 75, 87, 0.12);
}

.hotspot--presentation { top: 17%; left: 31%; width: 32%; height: 30%; }
.hotspot--door { top: 27%; left: 63%; width: 11%; height: 29%; }
.hotspot--exhibits { top: 43%; left: 4%; width: 43%; height: 35%; }
.hotspot--whiteboard { top: 27%; left: 76%; width: 21%; height: 34%; }
.hotspot--desk { top: 62%; left: 52%; width: 46%; height: 35%; }

.effects-layer {
  overflow: hidden;
}

.failure-flash {
  position: absolute;
  inset: 0;
  opacity: 0;
  background: linear-gradient(105deg, transparent 25%, rgba(218, 242, 248, 0.22) 50%, transparent 72%);
}

.failure-message {
  position: absolute;
  top: 16%;
  left: 50%;
  margin: 0;
  padding: 0.45rem 0.7rem;
  transform: translateX(-50%);
  border: 1px solid rgba(239, 75, 87, 0.5);
  opacity: 0;
  color: #ffd8dc;
  background: rgba(35, 4, 9, 0.82);
  font-size: clamp(0.5rem, 1vw, 0.82rem);
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.door-status {
  display: flex;
  position: absolute;
  top: 27%;
  left: 64%;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.4rem;
  transform: translateY(-100%);
  border: 1px solid rgba(239, 75, 87, 0.45);
  opacity: 0;
  color: #ffd7da;
  background: rgba(30, 4, 8, 0.82);
  font-size: clamp(0.42rem, 0.74vw, 0.68rem);
  letter-spacing: 0.08em;
  transition: opacity 350ms ease;
}

.door-status-dot {
  display: block;
  flex: 0 0 auto;
  width: 0.48rem;
  height: 0.48rem;
  border-radius: 50%;
  background: var(--color-warning);
  box-shadow: 0 0 0.55rem rgba(239, 75, 87, 0.8);
}


.game-viewport[data-door-unlocked="true"] .door-status {
  border-color: rgba(84, 229, 139, 0.55);
  color: #cffff0;
  background: rgba(5, 34, 22, 0.88);
}

.game-viewport[data-door-unlocked="true"] .door-status-dot,
.game-viewport[data-door-unlocked="true"] .system-status-dot {
  background: #54e58b;
  box-shadow: 0 0 0.55rem rgba(84, 229, 139, 0.8);
}

.game-viewport[data-door-unlocked="true"] .system-status {
  border-color: rgba(84, 229, 139, 0.42);
  color: #cffff0;
}

.game-viewport[data-room-state="systemFailure"] .failure-flash {
  animation: single-failure-flash 900ms ease-out 1;
}

.game-viewport[data-room-state="systemFailure"] .failure-message {
  animation: warning-appear 1.35s ease 1;
}

.game-viewport[data-room-state="systemFailure"] .room-image {
  filter: brightness(0.78) saturate(0.65) contrast(1.14);
}

.game-viewport[data-room-state="locked"] .room-image,
.game-viewport[data-room-state="exploration"] .room-image {
  filter: brightness(0.72) saturate(0.83) contrast(1.08) hue-rotate(3deg);
}

.game-viewport[data-room-state="locked"] .door-status,
.game-viewport[data-room-state="exploration"] .door-status {
  opacity: 1;
}

/* Visual mapping of the existing completed finale state. */
.game-viewport.game-complete .room-image {
  filter: brightness(0.9) saturate(0.5) contrast(1.03);
}

.game-viewport.game-complete .room-layer::before {
  opacity: 1;
}

.game-viewport.game-complete::after {
  box-shadow:
    inset 0 0 4.5rem rgba(1, 17, 28, 0.34),
    inset 0 0 2.5rem rgba(51, 197, 224, 0.1);
}

.game-scene.game-complete .room-backdrop {
  opacity: 0.78;
  filter: blur(10px) brightness(0.38) saturate(0.48);
}

.game-viewport[data-room-state="locked"]::after,
.game-viewport[data-room-state="exploration"]::after {
  position: absolute;
  inset: 0;
  z-index: 4;
  box-shadow: inset 0 0 5rem rgba(0, 0, 0, 0.48);
  content: "";
  pointer-events: none;
}

.game-toolbar {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
}

.game-toolbar--left {
  right: auto;
  left: clamp(0.5rem, 1.5vw, 1rem);
}

.game-toolbar--right {
  right: clamp(0.5rem, 1.5vw, 1rem);
}

.hud-panel,
.system-status {
  border: 1px solid rgba(126, 215, 229, 0.2);
  background: rgba(4, 11, 18, 0.78);
  backdrop-filter: blur(0.35rem);
}

.objective-panel {
  position: absolute;
  z-index: 1;
  top: calc(100% + 0.4rem);
  left: 0;
  display: grid;
  width: min(24rem, calc(100vw - 2rem));
  max-width: min(46vw, 24rem);
  max-height: min(45dvh, 10rem);
  padding: 0.5rem 0.7rem;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
  text-align: left;
  pointer-events: auto;
}

.objective-panel span {
  color: var(--color-accent);
  font-size: clamp(0.45rem, 0.7vw, 0.65rem);
  letter-spacing: 0.14em;
}

.objective-panel p {
  margin: 0.2rem 0 0;
  font-size: clamp(0.65rem, 1.15vw, 0.95rem);
  line-height: 1.3;
}

.objective-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.objective-content {
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overflow-wrap: break-word;
  scrollbar-color: var(--color-accent) rgba(255, 255, 255, 0.08);
}

.objective-toggle {
  z-index: 2;
  display: inline-flex;
  min-width: 2.75rem;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  pointer-events: auto;
}

.objective-toggle[hidden],
.objective-panel[hidden] {
  display: none;
}

.objective-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.system-status {
  display: flex;
  min-height: 2.25rem;
  padding: 0.4rem 0.65rem;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-text-muted);
  font-size: clamp(0.48rem, 0.75vw, 0.68rem);
  letter-spacing: 0.08em;
}

.system-status-dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0.45rem rgba(53, 217, 238, 0.7);
}

.game-viewport[data-room-state="systemFailure"] .system-status,
.game-viewport[data-room-state="locked"] .system-status,
.game-viewport[data-room-state="exploration"] .system-status {
  border-color: rgba(239, 75, 87, 0.32);
}

.game-viewport[data-room-state="systemFailure"] .system-status-dot,
.game-viewport[data-room-state="locked"] .system-status-dot,
.game-viewport[data-room-state="exploration"] .system-status-dot {
  background: var(--color-warning);
  box-shadow: 0 0 0.45rem rgba(239, 75, 87, 0.72);
}

.game-viewport.game-complete .system-status {
  border-color: rgba(53, 217, 238, 0.5);
  color: #c7faff;
  background: rgba(3, 24, 35, 0.86);
}

.game-viewport.game-complete .system-status-dot {
  background: var(--color-accent);
  box-shadow: 0 0 0.55rem rgba(53, 217, 238, 0.82);
}

.dialogue-box[data-tone="nova"] {
  border-left-color: #79e8f5;
  background: linear-gradient(90deg, rgba(5, 25, 34, 0.96), rgba(5, 12, 20, 0.94));
}

.dialogue-box[data-tone="warning"] {
  border-left-color: var(--color-warning);
}

.dialogue-box[data-tone="warning"] .dialogue-speaker {
  color: #ff8991;
}

@keyframes single-failure-flash {
  0%, 100% { opacity: 0; }
  36% { opacity: 0.72; }
  58% { opacity: 0.12; }
}

@keyframes warning-appear {
  0%, 15%, 100% { opacity: 0; }
  30%, 78% { opacity: 1; }
}

@media (max-width: 46rem) {
  .system-status { display: none; }
  .objective-panel { max-width: 55vw; }
}
/* Player mode selection */
.mode-scene {
  display: grid;
  place-items: center;
  padding: clamp(1rem, 4vw, 3rem);
}

.mode-panel {
  width: min(92vw, 54rem);
  padding: clamp(1.5rem, 5vw, 3.5rem);
  border: 1px solid var(--color-border);
  background: linear-gradient(145deg, rgba(16, 30, 44, 0.97), rgba(7, 14, 23, 0.97));
  box-shadow: var(--shadow-panel);
  text-align: center;
}

.mode-panel h2 {
  margin: 0;
  color: var(--color-text);
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: 0.04em;
}

.mode-introduction {
  max-width: 43rem;
  margin: 1rem auto 2rem;
  color: var(--color-text-muted);
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  line-height: 1.6;
}

.mode-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.8rem, 2vw, 1.25rem);
}

.mode-option {
  display: flex;
  min-height: 8rem;
  padding: 1.25rem;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 0.55rem;
  border: 1px solid rgba(53, 217, 238, 0.35);
  color: var(--color-text);
  background: rgba(7, 20, 30, 0.76);
  cursor: pointer;
  text-align: left;
  transition: border-color 160ms ease, background-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.mode-option strong {
  color: var(--color-accent);
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  letter-spacing: 0.04em;
}

.mode-option span {
  color: var(--color-text-muted);
  line-height: 1.45;
}

.mode-option:hover {
  border-color: var(--color-accent);
  background: rgba(12, 39, 51, 0.9);
  box-shadow: 0 0 1.5rem rgba(53, 217, 238, 0.13);
  transform: translateY(-0.12rem);
}

.mode-option:focus-visible {
  outline: 0.125rem solid var(--color-accent);
  outline-offset: 0.25rem;
  border-color: var(--color-accent);
  box-shadow: var(--focus-ring);
}

.mode-back {
  margin-top: 1.5rem;
}

.dialogue-actions {
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.dialogue-actions .button--secondary:only-child {
  margin-left: auto;
}

@media (max-width: 38rem) {
  .mode-options {
    grid-template-columns: 1fr;
  }

  .mode-option {
    min-height: 6rem;
  }
}
#dialogue-next {
  margin-left: auto;
}

/* Condensed 16-step introduction */
.game-viewport[data-room-state="invitation"] .room-stage {
  opacity: 0;
  visibility: hidden;
}

.simulation-message {
  position: absolute;
  top: 16%;
  left: 50%;
  margin: 0;
  padding: 0.45rem 0.75rem;
  transform: translateX(-50%);
  border: 1px solid rgba(53, 217, 238, 0.5);
  opacity: 0;
  color: #c7faff;
  background: rgba(3, 20, 27, 0.86);
  font-size: clamp(0.5rem, 1vw, 0.82rem);
  letter-spacing: 0.14em;
  white-space: nowrap;
  transition: opacity 220ms ease;
}

.game-viewport[data-simulation="started"] .simulation-message {
  opacity: 1;
}

.game-viewport[data-room-state="systemFailure"] .door-status,
.game-viewport[data-room-state="locked"] .door-status,
.game-viewport[data-room-state="exploration"] .door-status {
  opacity: 1;
}

.hotspot:disabled {
  cursor: default;
  pointer-events: none;
}
/* Responsive accessibility pass */
html,
body {
  min-width: 0;
  width: 100%;
  height: 100%;
}

body {
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  font-size: 1rem;
  line-height: 1.5;
  overscroll-behavior: none;
}

.app-shell,
.scene {
  height: 100vh;
  height: 100svh;
  height: 100dvh;
  min-height: 0;
}

.app-shell[aria-hidden="true"] {
  visibility: hidden;
  pointer-events: none;
  user-select: none;
}

.scene {
  overflow: hidden;
}

.title-scene,
.mode-scene,
.game-scene {
  padding:
    max(0.5rem, env(safe-area-inset-top))
    max(0.5rem, env(safe-area-inset-right))
    max(0.5rem, env(safe-area-inset-bottom))
    max(0.5rem, env(safe-area-inset-left));
}

.title-panel,
.mode-panel {
  max-height: calc(100dvh - 1rem);
  overflow-y: auto;
  overflow-wrap: break-word;
}

.system-label,
.mode-introduction,
.mode-option,
.mode-option span,
.button,
.button--quiet,
.dialogue-speaker,
.dialogue-text,
.objective-panel span,
.objective-panel p,
.system-status,
.room-placeholder small,
.simulation-message,
.failure-message,
.door-status {
  font-size: max(1rem, 16px);
}

.button,
.button--quiet,
.button--secondary,
.icon-button {
  min-width: 2.75rem;
  min-height: 2.75rem;
  touch-action: manipulation;
}

.icon-button {
  width: 2.75rem;
  height: 2.75rem;
  flex: 0 0 2.75rem;
}

.game-viewport {
  width: min(calc(100vw - 1rem), calc((100vh - 1rem) * 16 / 9));
  width: min(calc(100vw - 1rem), calc((100svh - 1rem) * 16 / 9));
  width: min(calc(100vw - 1rem), calc((100dvh - 1rem) * 16 / 9));
  max-height: calc(100dvh - 1rem);
}

/* Both active images are 1672 × 941. This shared container is their exact coordinate system. */
.room-stage {
  top: 50%;
  left: 50%;
  width: 99.947%;
  height: 100%;
  max-width: none;
  aspect-ratio: 1672 / 941;
  transform: translate(-50%, -50%);
}

.room-image {
  display: block;
  object-fit: fill;
}

.dialogue-box {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  min-height: 0;
  max-height: min(68dvh, 26rem);
  overflow: hidden;
  padding: clamp(0.6rem, 1.5vw, 1.1rem);
}

.dialogue-heading,
.dialogue-actions {
  min-width: 0;
}

.dialogue-text {
  min-height: 0;
  margin-block: 0.4rem;
  overflow-x: hidden;
  overflow-y: auto;
  overflow-wrap: break-word;
  white-space: normal;
  line-height: 1.55;
  scrollbar-color: var(--color-accent) rgba(255, 255, 255, 0.08);
}

.dialogue-actions {
  flex-wrap: wrap;
  margin-top: 0.25rem;
}

.game-toolbar {
  max-width: calc(100% - 1rem);
}

.objective-panel {
  max-width: min(46vw, 24rem);
}

.system-status {
  min-height: 2.75rem;
}

.simulation-message,
.failure-message {
  max-width: 80%;
  white-space: normal;
  overflow-wrap: break-word;
  text-align: center;
}

.orientation-notice {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  min-width: 0;
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  padding:
    max(2rem, env(safe-area-inset-top))
    max(2rem, env(safe-area-inset-right))
    max(2rem, env(safe-area-inset-bottom))
    max(2rem, env(safe-area-inset-left));
  place-content: center;
  justify-items: center;
  gap: 1rem;
  overflow: hidden;
  color: var(--color-text);
  background:
    radial-gradient(circle at 50% 40%, rgba(53, 217, 238, 0.15), transparent 45%),
    var(--color-background);
  text-align: center;
}

.orientation-notice p {
  max-width: 34rem;
  margin: 0;
  font-size: clamp(1.25rem, 5vw, 2rem);
  line-height: 1.45;
  overflow-wrap: break-word;
}

.orientation-icon {
  color: var(--color-accent);
  font-size: clamp(3rem, 14vw, 5rem);
  line-height: 1;
}

@media (max-height: 34rem) and (orientation: landscape) {
  .game-scene {
    padding: 0.25rem;
  }

  .game-viewport {
    width: min(calc(100vw - 0.5rem), calc((100dvh - 0.5rem) * 16 / 9));
    max-height: calc(100dvh - 0.5rem);
  }

  .game-toolbar {
    top: 0.35rem;
  }

  .game-toolbar--left {
    left: 0.35rem;
  }

  .game-toolbar--right {
    right: 0.35rem;
  }

  .dialogue-box {
    right: 0.35rem;
    bottom: 0.35rem;
    left: 0.35rem;
    max-height: 68dvh;
    padding: 0.45rem 0.6rem;
  }

  .dialogue-text {
    line-height: 1.35;
  }

  .dialogue-actions {
    gap: 0.4rem;
  }

  .objective-panel {
    max-width: 52vw;
    max-height: 7.5rem;
    padding: 0.35rem 0.5rem;
  }

  .system-status {
    display: none;
  }

  .door-status {
    display: none;
  }
}

@media (max-width: 38rem) {
  .mode-panel {
    padding: 1rem;
  }

  .mode-introduction {
    margin-block: 0.75rem 1rem;
  }

  .mode-option {
    min-height: 5.5rem;
    padding: 0.8rem;
  }
}

@media (hover: none) {
  .hotspot:hover,
  .mode-option:hover {
    transform: none;
  }
}

/* Compact dialogue only for phone-sized landscape viewports. */
@media (orientation: landscape) and (max-width: 60rem) and (max-height: 25rem) {
  .dialogue-box {
    right: 0.25rem;
    bottom: 0.25rem;
    left: 0.25rem;
    max-height: calc(68dvh - 1px);
    padding: 0.25rem 0.5rem;
  }

  .dialogue-heading {
    min-height: 1.25rem;
    align-items: center;
  }

  .dialogue-speaker {
    font-size: 14px;
    line-height: 1.2;
  }

  .dialogue-text {
    margin-block: 0.125rem;
    font-size: 14px;
    line-height: 18px;
  }

  .dialogue-actions {
    min-height: 2.75rem;
    margin-top: 0;
  }
}

@media (orientation: landscape) and (max-width: 60rem) and (max-height: 21rem) {
  .dialogue-box {
    max-height: calc(72dvh - 1px);
  }
}
/* Decorative side fill only on small landscape phones. */
@media (orientation: landscape) and (max-width: 60rem) and (max-height: 25rem) and ((pointer: coarse) or (hover: none)) {
  .room-backdrop {
    display: block;
    z-index: 0;
    transform: scale(1.04);
    opacity: 0.82;
    filter: blur(10px) brightness(0.28) saturate(0.78);
  }

  .objective-panel {
    width: min(72vw, 24rem);
    max-width: min(72vw, 24rem);
    max-height: min(45dvh, 10rem);
    padding: 0.35rem 0.45rem 0.45rem;
  }
}
/* Global main menu and prepared legal-information dialogs */
.app-shell {
  position: relative;
}

.main-menu-control {
  position: fixed;
  z-index: 20;
  top: max(0.5rem, env(safe-area-inset-top));
  right: max(0.5rem, env(safe-area-inset-right));
}

.app-shell[data-scene="game"] .main-menu-control {
  display: flex;
  position: relative;
  top: auto;
  right: auto;
  flex: 0 0 2.75rem;
}

.menu-toggle {
  display: inline-flex;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0.65rem;
  flex-direction: column;
  align-items: stretch;
  justify-content: space-between;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: rgba(5, 9, 15, 0.88);
  cursor: pointer;
  touch-action: manipulation;
}

.menu-toggle span {
  display: block;
  height: 0.125rem;
  border-radius: 999px;
  background: currentColor;
}

.menu-toggle:hover,
.menu-toggle[aria-expanded="true"] {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.main-menu {
  position: absolute;
  top: calc(100% + 0.4rem);
  right: 0;
  width: min(15rem, calc(100vw - 1rem));
  padding: 0.35rem;
  border: 1px solid var(--color-border);
  background: rgba(5, 12, 20, 0.98);
  box-shadow: var(--shadow-panel);
  pointer-events: auto;
}

.main-menu-item {
  display: flex;
  width: 100%;
  min-height: 2.75rem;
  padding: 0.65rem 0.8rem;
  align-items: center;
  border: 1px solid transparent;
  color: var(--color-text);
  background: transparent;
  cursor: pointer;
  text-align: left;
  touch-action: manipulation;
}

.main-menu-item:hover,
.main-menu-item:focus-visible {
  border-color: var(--color-border);
  color: var(--color-accent);
  background: var(--color-accent-soft);
}

.app-shell[data-scene="game"] .game-toolbar--right {
  align-items: center;
}

.app-shell:not([data-scene="game"]) .title-scene,
.app-shell:not([data-scene="game"]) .mode-scene {
  padding-top: max(4rem, calc(env(safe-area-inset-top) + 3.5rem));
}

.app-shell:not([data-scene="game"]) .title-panel {
  width: min(calc(100vw - 6rem), 48rem);
}

.app-shell:not([data-scene="game"]) .mode-panel {
  width: min(calc(100vw - 6rem), 54rem);
}

.legal-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  padding:
    max(0.5rem, env(safe-area-inset-top))
    max(0.5rem, env(safe-area-inset-right))
    max(0.5rem, env(safe-area-inset-bottom))
    max(0.5rem, env(safe-area-inset-left));
  place-items: center;
  background: rgba(1, 5, 9, 0.82);
  pointer-events: auto;
}

.legal-modal-panel {
  display: grid;
  width: min(92vw, 48rem);
  max-height: calc(100dvh - 1rem);
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-left: 0.25rem solid var(--color-accent);
  background: rgba(5, 12, 20, 0.98);
  box-shadow: var(--shadow-panel);
}

.legal-modal-heading {
  display: flex;
  min-height: 3.5rem;
  padding: 0.5rem 0.6rem 0.5rem 1rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.legal-modal-heading h2 {
  margin: 0;
  color: var(--color-accent);
  font-size: clamp(1.1rem, 3vw, 1.6rem);
  letter-spacing: 0.05em;
}

.legal-modal-close {
  flex: 0 0 2.75rem;
}

.legal-modal-content {
  min-height: 8rem;
  padding: 1rem;
  overflow-x: hidden;
  overflow-y: auto;
  overflow-wrap: break-word;
  scrollbar-color: var(--color-accent) rgba(255, 255, 255, 0.08);
}

@media (orientation: landscape) and (max-height: 25rem) {
  .main-menu-control {
    top: max(0.25rem, env(safe-area-inset-top));
    right: max(0.25rem, env(safe-area-inset-right));
  }

  .app-shell:not([data-scene="game"]) .title-scene,
  .app-shell:not([data-scene="game"]) .mode-scene {
    padding-top: max(3.25rem, calc(env(safe-area-inset-top) + 3rem));
  }

  .legal-modal {
    padding: 0.25rem;
  }

  .legal-modal-panel {
    width: min(94vw, 48rem);
    max-height: calc(100dvh - 0.5rem);
  }

  .legal-modal-heading {
    min-height: 3rem;
    padding-block: 0.25rem;
  }

  .legal-modal-content {
    min-height: 3rem;
    padding: 0.6rem 0.8rem;
  }
}
@media (prefers-reduced-motion: reduce) {
  .room-image,
  .room-layer::before,
  .door-status,
  .simulation-message {
    transition: none;
  }
}

/* Shared puzzle detail view */
.puzzle-detail-modal {
  position: fixed;
  z-index: 30;
  inset: 0;
  display: grid;
  min-width: 0;
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  padding:
    max(0.5rem, env(safe-area-inset-top))
    max(0.5rem, env(safe-area-inset-right))
    max(0.5rem, env(safe-area-inset-bottom))
    max(0.5rem, env(safe-area-inset-left));
  place-items: center;
  background: rgba(1, 5, 9, 0.88);
}

.puzzle-detail-panel {
  display: grid;
  width: min(96rem, 96vw);
  max-height: min(94dvh, 56rem);
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: linear-gradient(145deg, rgba(16, 30, 44, 0.99), rgba(5, 12, 20, 0.99));
  box-shadow: var(--shadow-panel);
}

.puzzle-detail-heading {
  display: flex;
  min-height: 3.25rem;
  padding: 0.45rem 0.65rem 0.45rem 0.9rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.puzzle-detail-heading h2 {
  margin: 0;
  color: var(--color-accent);
  font-size: clamp(1rem, 2.2vw, 1.4rem);
  letter-spacing: 0.06em;
}

.puzzle-detail-close {
  flex: 0 0 auto;
  width: 2.75rem;
  height: 2.75rem;
  touch-action: manipulation;
}

.puzzle-detail-scroll {
  display: grid;
  min-height: 6rem;
  padding: clamp(0.6rem, 1.5vw, 1rem);
  align-content: start;
  gap: 0 clamp(0.7rem, 1.5vw, 1.1rem);
  overflow-x: hidden;
  overflow-y: auto;
  overflow-wrap: break-word;
}

.puzzle-detail-section,
.puzzle-detail-feedback,
.puzzle-detail-hint {
  margin: 0 0 1rem;
  line-height: 1.5;
}

@media (orientation: landscape) and (min-width: 36rem) {
  .puzzle-detail-scroll:has(#puzzle-detail-information:not([hidden])) {
    grid-template-columns: minmax(15rem, 0.82fr) minmax(0, 1.18fr);
  }

  .puzzle-detail-scroll:has(#puzzle-detail-information:not([hidden])) #puzzle-detail-information {
    grid-column: 1;
    grid-row: 1 / span 5;
  }

  .puzzle-detail-scroll:has(#puzzle-detail-information:not([hidden])) > :not(#puzzle-detail-information) {
    grid-column: 2;
  }
}

.puzzle-hint__title,
.puzzle-hint__text {
  margin: 0;
}

.puzzle-hint__text {
  margin-top: 0.45rem;
}

.puzzle-hint__navigation {
  display: flex;
  margin-top: 0.65rem;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.puzzle-hint__next:only-child {
  margin-left: auto;
}

.puzzle-detail-feedback,
.puzzle-detail-hint {
  padding: 0.75rem;
  border-left: 0.2rem solid var(--color-accent);
  background: var(--color-accent-soft);
}

.puzzle-detail-actions {
  display: flex;
  min-height: 0;
  padding: 0.55rem 0.85rem;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0.6rem;
  border-top: 1px solid var(--color-border);
}

.puzzle-detail-actions:empty {
  display: none;
}

.puzzle-detail-panel button,
.puzzle-detail-panel input,
.puzzle-detail-panel select {
  min-height: 2.75rem;
}

@media (orientation: landscape) and (max-height: 25rem) {
  .puzzle-detail-modal {
    padding: max(0.25rem, env(safe-area-inset-top)) max(0.25rem, env(safe-area-inset-right)) max(0.25rem, env(safe-area-inset-bottom)) max(0.25rem, env(safe-area-inset-left));
  }

  .puzzle-detail-panel {
    max-height: calc(100dvh - 0.5rem);
  }

  .puzzle-detail-heading {
    min-height: 2.9rem;
    padding-block: 0.2rem;
  }

  .puzzle-detail-scroll {
    min-height: 0;
    padding: 0.4rem 0.55rem;
    gap: 0 0.65rem;
  }

  .puzzle-detail-section,
  .puzzle-detail-feedback,
  .puzzle-detail-hint {
    margin-bottom: 0.55rem;
    line-height: 1.35;
  }

  .puzzle-detail-actions {
    padding: 0.25rem 0.55rem;
    gap: 0.4rem;
  }
}

/* Rätsel 1 */
.puzzle-visual {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 0.35rem;
  background: #03080d;
}

.puzzle-visual img {
  display: block;
  width: 100%;
  max-height: min(38dvh, 22rem);
  object-fit: contain;
}

.whiteboard-notes {
  display: grid;
  gap: 0.75rem;
  padding: clamp(0.9rem, 2vw, 1.35rem);
  border: 1px solid rgba(53, 217, 238, 0.3);
  background: rgba(5, 18, 26, 0.9);
  text-align: center;
}

.whiteboard-notes h3,
.whiteboard-notes p,
.diagnosis-result h3,
.diagnosis-result p,
.puzzle-status p {
  margin: 0;
}

.whiteboard-sequence {
  color: var(--color-accent);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.exhibit-grid,
.desk-areas {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.exhibit-card,
.desk-area {
  min-width: 0;
  min-height: 4.5rem;
  padding: 0.85rem;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: rgba(8, 24, 34, 0.9);
  overflow-wrap: break-word;
  word-break: normal;
}

.exhibit-card,
.desk-area--interactive {
  cursor: pointer;
}

.exhibit-card {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  align-items: center;
  gap: 0.35rem 0.65rem;
  text-align: left;
}

.exhibit-card img {
  width: 2rem;
  height: 2rem;
  grid-row: 1 / 3;
}

.exhibit-card span {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.exhibit-card:hover,
.desk-area--interactive:hover {
  border-color: var(--color-accent);
  background: rgba(12, 42, 54, 0.94);
}

.exhibit-card:focus-visible,
.desk-area--interactive:focus-visible,
.terminal-form input:focus-visible {
  outline: 0.125rem solid var(--color-accent);
  outline-offset: 0.2rem;
  box-shadow: var(--focus-ring);
}

.exhibit-data {
  display: grid;
  grid-template-columns: minmax(8rem, 0.8fr) minmax(0, 1.2fr);
  margin: 0;
  border: 1px solid var(--color-border);
}

.exhibit-data dt,
.exhibit-data dd {
  min-width: 0;
  margin: 0;
  padding: 0.75rem;
  overflow-wrap: break-word;
  word-break: normal;
  border-bottom: 1px solid var(--color-border);
}

.exhibit-data dt {
  color: var(--color-text-muted);
  background: rgba(255, 255, 255, 0.035);
}

.exhibit-data dd {
  color: var(--color-accent);
  font-weight: 700;
}

.exhibit-data :nth-last-child(-n + 2) {
  border-bottom: 0;
}

.desk-area {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.desk-area--decorative {
  color: var(--color-text-muted);
  cursor: default;
}

.puzzle-status {
  display: flex;
  min-height: 4.5rem;
  padding: 1rem;
  align-items: center;
  gap: 0.85rem;
  border: 1px solid var(--color-border);
}

.puzzle-status img {
  width: 2.5rem;
  height: 2.5rem;
  flex: 0 0 auto;
}

.puzzle-status--gesperrt {
  color: #c7d0d5;
  background: rgba(95, 108, 116, 0.14);
}

.terminal-form {
  display: grid;
  gap: 0.75rem;
}

.terminal-form label {
  font-weight: 700;
}

.terminal-form input {
  width: min(100%, 18rem);
  min-height: 3.25rem;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--color-accent);
  color: var(--color-text);
  background: #02080d;
  font: 700 clamp(1.3rem, 4vw, 2rem) / 1 monospace;
  letter-spacing: 0.45em;
}

.terminal-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.puzzle-detail-feedback[data-status="wrong"] {
  border-color: #ff8a4c;
  color: #ffe0cf;
  background: rgba(121, 37, 13, 0.28);
}

.puzzle-detail-feedback[data-status="incomplete"] {
  border-color: #f2c94c;
  color: #fff2bd;
  background: rgba(107, 82, 8, 0.25);
}

.diagnosis-result {
  display: grid;
  gap: 0.55rem;
  padding: 1rem;
  border: 1px solid #54e58b;
  color: #cffff0;
  background: rgba(9, 69, 39, 0.25);
}

.diagnosis-result h3 {
  color: #69efa0;
  letter-spacing: 0.08em;
}

.diagnosis-result p {
  font-family: Consolas, "Courier New", monospace;
  overflow-wrap: break-word;
  word-break: normal;
}

@media (max-width: 42rem) and (orientation: portrait) {
  .exhibit-grid,
  .desk-areas {
    grid-template-columns: 1fr;
  }

  .puzzle-visual img {
    max-height: 13rem;
  }
}
.puzzle-detail-feedback[data-status="wrong"] {
  padding-left: 3.5rem;
  background-image: url("../assets/images/nova-r1-status-falsch.svg");
  background-position: 0.65rem center;
  background-repeat: no-repeat;
  background-size: 2.25rem 2.25rem;
}

.puzzle-status--erfolgreich {
  border-color: #54e58b;
  color: #cffff0;
  background: rgba(9, 69, 39, 0.25);
}
/* Rätsel 2 */
.terminal-navigation {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
}

.terminal-navigation__button,
.reconstruction-block,
.reconstruction-move,
.reconstruction-remove {
  min-width: 0;
  min-height: 2.75rem;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: rgba(8, 24, 34, 0.94);
  cursor: pointer;
  overflow-wrap: break-word;
  word-break: normal;
}

.terminal-navigation__button {
  padding: 0.65rem;
}

.terminal-navigation__button:hover,
.terminal-navigation__button--active,
.reconstruction-block:hover,
.reconstruction-block--selected {
  border-color: var(--color-accent);
  background: rgba(18, 68, 82, 0.9);
}

.terminal-navigation__button--active,
.reconstruction-block--selected {
  color: var(--color-accent);
  box-shadow: inset 0 0 0 1px var(--color-accent);
}

.terminal-navigation__button:focus-visible,
.reconstruction-block:focus-visible,
.reconstruction-move:focus-visible,
.reconstruction-remove:focus-visible {
  outline: 0.125rem solid var(--color-accent);
  outline-offset: 0.16rem;
  box-shadow: var(--focus-ring);
}

.puzzle2-source-note,
.version-comparison,
.puzzle2-authorization {
  display: grid;
  gap: 0.75rem;
  padding: clamp(0.8rem, 2vw, 1.2rem);
  border: 1px solid var(--color-border);
  background: rgba(5, 18, 26, 0.9);
}

.puzzle2-source-note h3,
.puzzle2-source-note p,
.version-comparison h3,
.version-comparison p,
.puzzle2-authorization h3,
.puzzle2-authorization p {
  margin: 0;
}

.puzzle2-principle-list {
  display: grid;
  margin: 0;
  padding-left: 1.8rem;
  gap: 0.45rem;
}

.puzzle2-gap {
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
}

.puzzle2-archive-sequence {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  gap: 0.65rem;
  list-style: none;
}

.puzzle2-archive-item {
  display: grid;
  min-width: 0;
  min-height: 7rem;
  padding: 0.75rem;
  place-items: center;
  gap: 0.5rem;
  border: 1px solid var(--color-border);
  color: var(--color-accent);
  background: rgba(8, 24, 34, 0.94);
  text-align: center;
  overflow-wrap: break-word;
  word-break: normal;
}

.puzzle2-archive-item img,
.reconstruction-slot img {
  width: 3rem;
  height: 3rem;
  object-fit: contain;
}

.version-comparison p {
  padding: 0.75rem;
  border-left: 0.2rem solid var(--color-accent);
  background: var(--color-accent-soft);
}

.reconstruction-layout {
  display: grid;
  gap: 1rem;
}

.reconstruction-blocks,
.reconstruction-selection {
  display: grid;
  gap: 0.6rem;
}

.reconstruction-blocks h3,
.reconstruction-selection h3 {
  margin: 0 0 0.15rem;
}

.reconstruction-block {
  width: 100%;
  padding: 0.75rem;
  text-align: left;
}

.reconstruction-slots {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 0.55rem;
  list-style: none;
  counter-reset: reconstruction-slot;
}

.reconstruction-slot {
  display: grid;
  min-width: 0;
  min-height: 4.5rem;
  grid-template-columns: 3rem minmax(0, 1fr) auto;
  padding: 0.6rem;
  align-items: center;
  gap: 0.65rem;
  border: 1px solid var(--color-border);
  background: rgba(8, 24, 34, 0.94);
  counter-increment: reconstruction-slot;
}

.reconstruction-slot::before {
  display: none;
  content: counter(reconstruction-slot) ".";
}

.reconstruction-slot:not(:has(img))::before {
  display: block;
  color: var(--color-accent);
  font-weight: 700;
}

.reconstruction-slot__text {
  min-width: 9rem;
  overflow-wrap: break-word;
  word-break: normal;
}

.reconstruction-slot__controls {
  display: flex;
  gap: 0.4rem;
}

.reconstruction-move,
.reconstruction-remove {
  padding: 0.5rem 0.65rem;
}

.reconstruction-remove {
  border-color: rgba(255, 186, 73, 0.72);
  color: #ffe0a3;
}

.reconstruction-move:disabled,
.reconstruction-remove:disabled {
  border-color: rgba(142, 160, 171, 0.25);
  color: var(--color-text-muted);
  background: rgba(80, 91, 98, 0.12);
  cursor: not-allowed;
  opacity: 0.55;
}

.reconstruction-empty {
  padding: 0.85rem;
  border: 1px dashed var(--color-border);
  color: var(--color-text-muted);
}

.puzzle2-success {
  display: grid;
  gap: 0.9rem;
}

.authorization-narrative {
  color: var(--color-text-muted);
}

.authorization-person {
  color: var(--color-accent);
  font-family: Consolas, "Courier New", monospace;
  font-size: 1.15rem;
  letter-spacing: 0.08em;
}

@media (max-width: 42rem) and (orientation: portrait) {
  .terminal-navigation,
  .puzzle2-archive-sequence {
    grid-template-columns: 1fr 1fr;
  }

  .reconstruction-slot {
    grid-template-columns: 2.5rem minmax(0, 1fr);
  }

  .reconstruction-slot img {
    width: 2.5rem;
    height: 2.5rem;
  }

  .reconstruction-slot__controls {
    grid-column: 1 / -1;
  }

  .reconstruction-move,
  .reconstruction-remove {
    flex: 1 1 9rem;
  }
}

@media (max-width: 28rem) {
  .terminal-navigation,
  .puzzle2-archive-sequence {
    grid-template-columns: 1fr;
  }
}


/* Rätsel 3 */
.human-control-navigation {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
}

.human-control-overview,
.human-control-layout,
.human-control-available,
.human-control-selection,
.human-control-success {
  display: grid;
  gap: 0.75rem;
}

.human-control-overview p,
.human-control-explanation,
.human-control-success p,
.human-control-available h3,
.human-control-selection h3 {
  margin: 0;
}

.human-control-rules {
  display: grid;
  margin: 0;
  padding-left: 1.75rem;
  gap: 0.7rem;
}

.human-control-rules li {
  padding: 0.6rem 0.75rem;
  border-left: 0.2rem solid var(--color-accent);
  background: var(--color-accent-soft);
}

.human-control-module-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}

.human-control-module {
  display: grid;
  min-width: 0;
  min-height: 5.25rem;
  grid-template-columns: 3rem minmax(0, 1fr);
  padding: 0.7rem;
  align-items: center;
  gap: 0.15rem 0.7rem;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: rgba(8, 24, 34, 0.94);
  cursor: pointer;
  text-align: left;
  touch-action: manipulation;
}

.human-control-module:hover:not(:disabled) {
  border-color: var(--color-accent);
  background: rgba(18, 68, 82, 0.9);
}

.human-control-module:focus-visible,
.human-control-sequence button:focus-visible {
  outline: 0.125rem solid var(--color-accent);
  outline-offset: 0.16rem;
  box-shadow: var(--focus-ring);
}

.human-control-module:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.human-control-module img,
.human-control-sequence__item img {
  width: 3rem;
  height: 3rem;
  object-fit: contain;
}

.human-control-module img {
  grid-row: 1 / 3;
}

.human-control-module__code,
.human-control-sequence__code {
  color: var(--color-accent);
  font-family: Consolas, "Courier New", monospace;
  font-size: 1.1rem;
}

.human-control-module__name,
.human-control-sequence__name {
  min-width: 8rem;
  overflow-wrap: break-word;
  word-break: normal;
}

.human-control-sequence {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 0.55rem;
  list-style: none;
}

.human-control-sequence__item {
  display: grid;
  min-width: 0;
  min-height: 4.75rem;
  grid-template-columns: 3rem 2rem minmax(0, 1fr) auto;
  padding: 0.6rem;
  align-items: center;
  gap: 0.65rem;
  border: 1px solid var(--color-border);
  background: rgba(8, 24, 34, 0.94);
}

.human-control-sequence__controls {
  display: flex;
  gap: 0.4rem;
}

.human-control-success {
  padding: 0.85rem;
  border: 1px solid #54e58b;
  color: #cffff0;
  background: rgba(9, 69, 39, 0.25);
}

.human-control-success__ready {
  color: #69efa0;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.desk-area--human-ctrl {
  border-color: rgba(36, 216, 240, 0.5);
}

.finale-phase-marker { display: inline-flex; margin: 0 0 0.8rem; padding: 0.3rem 0.55rem; border: 1px solid rgba(255, 184, 77, 0.72); color: #ffd596; background: rgba(91, 52, 5, 0.36); font-family: Consolas, "Courier New", monospace; font-weight: 700; letter-spacing: 0.16em; }
.finale-module-list { display: grid; margin: 0; padding: 0; gap: 0.55rem; list-style: none; }
.finale-module { display: grid; min-width: 0; grid-template-columns: 2.8rem minmax(0, 1fr) 1.25rem auto; padding: 0.62rem 0.7rem; align-items: center; gap: 0.65rem; border: 1px solid var(--color-border); background: rgba(8, 24, 34, 0.94); }
.finale-module img { width: 2.8rem; height: 2.8rem; object-fit: contain; }
.finale-module .finale-module__status-icon { width: 1.15rem; height: 1.15rem; }
.finale-module__name { min-width: 8rem; overflow-wrap: break-word; word-break: normal; }
.finale-module__status { color: #ffd596; font-family: Consolas, "Courier New", monospace; font-size: 0.8rem; letter-spacing: 0.06em; text-align: right; }
.finale-module--aktiv { border-color: rgba(255, 184, 77, 0.72); }
.finale-module--erfolgreich { border-color: rgba(84, 229, 139, 0.62); background: rgba(9, 69, 39, 0.25); }
.finale-module--erfolgreich .finale-module__status { color: #69efa0; }
.finale-confirmation__question, .finale-execution-live { margin-top: 1rem; }
.finale-confirmation__warning { padding: 0.7rem; border-left: 0.2rem solid #ffb84d; color: #ffe3ba; background: rgba(91, 52, 5, 0.25); }
.finale-execution-live { min-height: 4.2rem; padding: 0.8rem; border: 1px solid rgba(255, 184, 77, 0.5); background: rgba(91, 52, 5, 0.2); }
.finale-execution__step-text { margin: 0 0 0.45rem; font-family: Consolas, "Courier New", monospace; }
.finale-system-status { padding: 0.9rem; border: 1px solid rgba(84, 229, 139, 0.62); background: rgba(9, 69, 39, 0.25); }
.finale-system-status__title, .finale-click, .finale-completion__title { color: #69efa0; }
.finale-status-list { display: grid; grid-template-columns: minmax(0, 1fr) auto; margin: 0; gap: 0.45rem 0.8rem; }
.finale-status-list dt, .finale-status-list dd { margin: 0; }
.finale-status-list dd { color: #cffff0; font-family: Consolas, "Courier New", monospace; text-align: right; }
.finale-click { margin: 0.85rem 0 0; font-family: Consolas, "Courier New", monospace; font-size: 1.2rem; font-weight: 700; letter-spacing: 0.22em; }
.finale-completion { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--color-border); }
.finale-completion p { margin: 0.42rem 0; }
.finale-completion__lead, .finale-completion__conclusion { font-weight: 700; }

@media (max-width: 42rem) and (orientation: portrait) {
  .human-control-navigation {
    grid-template-columns: 1fr;
  }

  .human-control-module-grid {
    grid-template-columns: 1fr;
  }

  .human-control-sequence__item {
    grid-template-columns: 2.5rem 2rem minmax(0, 1fr);
  }

  .human-control-module img,
  .human-control-sequence__item img {
    width: 2.5rem;
    height: 2.5rem;
  }

  .human-control-sequence__controls {
    grid-column: 1 / -1;
  }

  .human-control-sequence__controls button {
    flex: 1 1 8rem;
  }

  .finale-module { grid-template-columns: 2.5rem minmax(0, 1fr) 1.15rem; }
  .finale-module img { width: 2.5rem; height: 2.5rem; }
  .finale-module__status { grid-column: 2 / -1; text-align: left; }
  .finale-status-list { grid-template-columns: 1fr; }
  .finale-status-list dd { margin-bottom: 0.35rem; text-align: left; }
}
@media (orientation: landscape) and (min-width: 75rem) {
  .reconstruction-layout,
  .human-control-layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }
}

@media (orientation: landscape) and (max-height: 25rem) {
  .puzzle-visual img {
    max-height: min(34dvh, 8rem);
  }

  .exhibit-card,
  .desk-area,
  .puzzle-status,
  .puzzle2-source-note,
  .reconstruction-block,
  .human-control-rules li,
  .finale-module {
    padding: 0.45rem 0.55rem;
  }

  .puzzle2-archive-item,
  .human-control-module,
  .human-control-sequence__item {
    min-height: 3rem;
    padding: 0.4rem 0.5rem;
  }

  .human-control-module img,
  .human-control-sequence__item img,
  .finale-module img {
    width: 2.35rem;
    height: 2.35rem;
  }

  .human-control-rules,
  .human-control-module-grid,
  .human-control-sequence,
  .finale-module-list {
    gap: 0.35rem;
  }
}
@media (max-width: 55rem) {
  .puzzle2-archive-sequence {
    grid-template-columns: repeat(2, minmax(9rem, 1fr));
  }
}
/* Complex editor views use the full modal width instead of being squeezed into
   the content column of the general image/detail split. */
.puzzle-detail-scroll:has(#puzzle-detail-information:not([hidden])):has(.reconstruction-layout),
.puzzle-detail-scroll:has(#puzzle-detail-information:not([hidden])):has(.human-control-layout),
.puzzle-detail-scroll:has(.reconstruction-layout),
.puzzle-detail-scroll:has(.human-control-layout) {
  grid-template-columns: minmax(0, 1fr);
}

.puzzle-detail-scroll:has(.reconstruction-layout) > *,
.puzzle-detail-scroll:has(.human-control-layout) > * {
  grid-column: 1;
}

.puzzle-detail-scroll:has(#puzzle-detail-information:not([hidden])):has(.reconstruction-layout) #puzzle-detail-content,
.puzzle-detail-scroll:has(#puzzle-detail-information:not([hidden])):has(.human-control-layout) #puzzle-detail-content {
  grid-column: 1;
}

.puzzle-detail-scroll:has(#puzzle-detail-information:not([hidden])):has(.reconstruction-layout) #puzzle-detail-information,
.puzzle-detail-scroll:has(#puzzle-detail-information:not([hidden])):has(.human-control-layout) #puzzle-detail-information {
  grid-column: 1;
  grid-row: auto;
}

.puzzle-detail-scroll:has(.reconstruction-layout) #puzzle-detail-information,
.puzzle-detail-scroll:has(.human-control-layout) #puzzle-detail-information {
  grid-row: auto;
}

.reconstruction-block {
  overflow-wrap: break-word;
  word-break: normal;
}

@media (max-width: 46rem) {
  .reconstruction-slot {
    grid-template-columns: 2.5rem minmax(9rem, 1fr);
  }

  .human-control-sequence__item {
    grid-template-columns: 2.5rem 2rem minmax(9rem, 1fr);
  }

  .reconstruction-slot img,
  .human-control-sequence__item img {
    width: 2.5rem;
    height: 2.5rem;
  }

  .reconstruction-slot__controls,
  .human-control-sequence__controls {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .reconstruction-move,
  .reconstruction-remove,
  .human-control-sequence__controls button {
    width: 100%;
    min-width: 0;
  }
}
/* Legal and project information views */
.legal-modal[data-view="project"] .legal-modal-panel {
  width: min(96vw, 78rem);
}

.information-document {
  max-width: 72ch;
  margin-inline: auto;
  color: var(--color-text);
  line-height: 1.6;
}

.information-document--project {
  max-width: 100%;
}

.information-document h3 {
  margin: 1.5rem 0 0.5rem;
  color: var(--color-accent);
  font-size: 1.05rem;
  letter-spacing: 0.035em;
}

.information-document p,
.information-document address,
.information-document ul,
.information-document dl {
  margin: 0 0 1rem;
}

.information-document address {
  font-style: normal;
}

.information-document a {
  color: var(--color-accent);
  overflow-wrap: anywhere;
}

.information-facts {
  display: grid;
  grid-template-columns: minmax(10rem, max-content) minmax(0, 1fr);
  gap: 0.35rem 1rem;
}

.information-facts dt {
  font-weight: 700;
}

.information-facts dd {
  margin: 0;
}

.programming-description {
  margin-top: 1.5rem;
  border: 1px solid var(--color-border);
  background: rgba(9, 24, 34, 0.72);
}

.programming-description summary {
  padding: 0.85rem 1rem;
  color: var(--color-accent);
  cursor: pointer;
  font-weight: 700;
  touch-action: manipulation;
}

.programming-description summary:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: -3px;
}

.programming-description .summary-hide,
.programming-description[open] .summary-show {
  display: none;
}

.programming-description[open] .summary-hide {
  display: inline;
}

.readme-document {
  padding: 0 1rem 1rem;
  overflow-wrap: break-word;
}

.readme-document h2,
.readme-document h3,
.readme-document h4,
.readme-document h5,
.readme-document h6 {
  margin: 1.35rem 0 0.55rem;
  color: var(--color-accent);
  line-height: 1.25;
}

.readme-document p,
.readme-document ul,
.readme-document ol,
.readme-document pre,
.readme-document table {
  margin: 0 0 1rem;
}

.readme-document table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.readme-document th,
.readme-document td {
  padding: 0.45rem;
  border: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
  overflow-wrap: break-word;
}

.readme-document pre,
.readme-document code {
  white-space: pre-wrap;
  overflow-wrap: break-word;
}

@media (max-width: 34rem) {
  .information-facts {
    grid-template-columns: 1fr;
    gap: 0.1rem;
  }

  .information-facts dd {
    margin-bottom: 0.7rem;
  }

  .readme-document {
    padding-inline: 0.7rem;
  }
}