:root {
  color-scheme: dark;
  --attic-shadow: #18130f;
  --attic-panel: #211a16;
  --attic-wood: #7a4f32;
  --attic-amber: #e2a75d;
  --attic-glow: #ebcb8b;
  --attic-brass: #b38245;
  --attic-text: #f7ead2;
  --attic-muted: #b89d7f;
  --attic-line: rgba(235, 203, 139, 0.24);
  --attic-black: #100c09;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--attic-shadow);
  color: var(--attic-text);
  font-family: Georgia, "Times New Roman", serif;
  overflow-x: hidden;
}

button,
input {
  font: inherit;
}

button {
  min-height: 44px;
  touch-action: manipulation;
}

input[type="range"] {
  min-height: 44px;
}

/* ---------- Top chrome (back link + mute toggle) ---------- */

.back-link {
  position: fixed;
  top: max(0.65rem, env(safe-area-inset-top));
  left: max(0.85rem, env(safe-area-inset-left));
  z-index: 20;
  color: var(--attic-muted);
  text-decoration: none;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  background: rgba(16, 12, 9, 0.35);
  border: 1px solid transparent;
  transition: color 160ms, border-color 160ms, background 160ms;
}
.back-link:hover,
.back-link:focus-visible {
  outline: none;
  color: var(--attic-text);
  border-color: var(--attic-line);
  background: rgba(16, 12, 9, 0.6);
}

.mute-toggle {
  position: fixed;
  top: max(0.5rem, env(safe-area-inset-top));
  right: max(0.6rem, env(safe-area-inset-right));
  z-index: 20;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--attic-line);
  background: rgba(16, 12, 9, 0.55);
  color: var(--attic-text);
  font-size: 1.15rem;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 140ms, background 140ms, transform 100ms;
}
.mute-toggle:hover,
.mute-toggle:focus-visible {
  outline: none;
  border-color: var(--attic-glow);
  background: rgba(122, 79, 50, 0.45);
}
.mute-toggle:active { transform: translateY(1px); }

.attic-app {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(10px, 1.6vh, 18px) clamp(10px, 2vw, 18px);
  background:
    radial-gradient(circle at 68% 24%, rgba(235, 203, 139, 0.18), transparent 34%),
    linear-gradient(135deg, #211a16, #3c2c20 45%, #17120f);
}

.title-screen,
.scene-shell {
  width: min(1120px, calc(100vw - 24px));
}

/* ---------- Title screen + vignette ---------- */

.title-screen {
  min-height: min(640px, calc(100vh - 24px));
  display: grid;
  align-content: center;
  gap: 1rem;
  position: relative;
  isolation: isolate;
}
.title-screen.with-vignette {
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--attic-line);
}
.title-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
  filter: blur(1px) saturate(0.85);
}
.title-screen.with-vignette::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 32% 38%, rgba(16, 12, 9, 0.18), rgba(16, 12, 9, 0.72) 62%),
    linear-gradient(135deg, rgba(33, 26, 22, 0.55), rgba(16, 12, 9, 0.8));
}
.title-copy {
  padding: clamp(1.2rem, 5vw, 3rem);
  max-width: 720px;
  display: grid;
  gap: 1rem;
}

.title-screen h1 {
  margin: 0;
  font-size: clamp(3rem, 9vw, 7rem);
  font-weight: 500;
  letter-spacing: 0;
  text-shadow: 0 4px 32px rgba(0, 0, 0, 0.5);
}

.title-screen p {
  margin: 0;
  max-width: 38rem;
  color: var(--attic-muted);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.5;
}

.title-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

/* ---------- End screen ---------- */

.end-screen {
  position: relative;
  isolation: isolate;
  min-height: min(720px, calc(100vh - 32px));
  overflow: hidden;
  border: 1px solid var(--attic-line);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  border-radius: 12px;
}

.end-image {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.end-screen::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(16, 12, 9, 0.86), rgba(16, 12, 9, 0.42) 54%, rgba(16, 12, 9, 0.18)),
    linear-gradient(0deg, rgba(16, 12, 9, 0.38), transparent 42%);
}

.end-copy {
  width: min(620px, 88%);
  display: grid;
  gap: 0.9rem;
  padding: clamp(1.2rem, 5vw, 4rem);
}

.end-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  margin-top: 0.5rem;
}
.end-actions .secondary-button {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.ending-kicker,
.solve-time {
  color: var(--attic-glow);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- Buttons ---------- */

.primary-button,
.secondary-button,
.inventory-item,
.photo-hint {
  border: 1px solid rgba(235, 203, 139, 0.46);
  background: rgba(122, 79, 50, 0.45);
  color: var(--attic-text);
  padding: 0.75rem 1rem;
  border-radius: 6px;
  cursor: pointer;
}

.secondary-button {
  background: rgba(24, 19, 15, 0.55);
}

.primary-button:hover,
.primary-button:focus-visible,
.secondary-button:hover,
.secondary-button:focus-visible,
.inventory-item:hover,
.inventory-item:focus-visible,
.photo-hint:hover,
.photo-hint:focus-visible {
  outline: none;
  border-color: var(--attic-glow);
  background: rgba(179, 130, 69, 0.35);
}

.primary-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* ---------- Scene shell ---------- */

.scene-shell {
  display: grid;
  gap: 0.7rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 1rem;
  padding-top: 0;
}

.inventory {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: var(--attic-muted);
}

.inventory-item {
  min-height: 38px;
  padding: 0.45rem 0.75rem;
  font-size: 0.95rem;
}

.photo-hint {
  background: linear-gradient(135deg, rgba(226, 167, 93, 0.32), rgba(24, 19, 15, 0.55));
  border-color: rgba(235, 203, 139, 0.5);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.photo-hint::before {
  content: "🔎";
  font-size: 1rem;
  filter: drop-shadow(0 1px 0 rgba(0, 0, 0, 0.3));
}

/* Make scene-frame fit alongside caption + actions in the viewport on
   landscape laptops (1280×720 / 1024×768). The cap prevents the image
   from eating the whole screen so the action buttons stay reachable. */
.scene-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  max-height: calc(100vh - 220px);
  margin: 0 auto;
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--attic-line);
  background: linear-gradient(135deg, #4a3a2a, #8b6f47);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.48);
  border-radius: 4px;
}

.placeholder-scene {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 2rem;
  text-align: center;
  color: white;
  font-family: "Courier New", monospace;
  font-size: clamp(1.2rem, 3vw, 2.8rem);
  text-transform: uppercase;
  background: linear-gradient(135deg, #4a3a2a, #8b6f47);
}

.scene-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

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

.hotspot {
  position: absolute;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
  border-radius: 8px;
  transition: background 220ms, box-shadow 220ms, outline-color 160ms;
}

/* Resting pulse — a soft amber glow so a first-time player notices the
   regions are interactive. Only applied while the player has not yet
   discovered a hotspot. Switched off via the .hotspots-known class on
   the scene shell. */
.scene-shell:not(.hotspots-known) .hotspot {
  animation: hotspot-pulse 2.6s ease-in-out infinite;
}
@keyframes hotspot-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(235, 203, 139, 0); background: rgba(235, 203, 139, 0.04); }
  50%      { box-shadow: 0 0 0 6px rgba(235, 203, 139, 0.08); background: rgba(235, 203, 139, 0.14); }
}
@media (prefers-reduced-motion: reduce) {
  .scene-shell:not(.hotspots-known) .hotspot { animation: none; background: rgba(235, 203, 139, 0.08); }
}

.hotspot:hover,
.hotspot:focus-visible {
  outline: none;
  background: rgba(235, 203, 139, 0.18);
  box-shadow: 0 0 0 2px var(--attic-glow);
}

.debug .hotspot {
  background: rgba(255, 0, 0, 0.24);
  border: 1px solid rgba(255, 0, 0, 0.75);
}

.scene-caption {
  min-height: 1.6rem;
  color: var(--attic-muted);
  font-size: 1.05rem;
  text-align: left;
}

.scene-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.scene-actions:empty {
  display: none;
}

.scene-actions .primary-button,
.scene-actions .secondary-button {
  min-height: 40px;
  padding: 0.55rem 0.8rem;
  font-size: 0.95rem;
}

/* ---------- Modal ---------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 18px;
  background:
    radial-gradient(circle at 50% 18%, rgba(235, 203, 139, 0.12), transparent 30%),
    rgba(12, 9, 7, 0.82);
  overscroll-behavior: contain;
}

.attic-modal {
  width: min(1040px, calc(100vw - 28px));
  max-height: calc(100vh - 28px);
  display: grid;
  grid-template-columns: minmax(280px, 0.88fr) minmax(360px, 1fr);
  overflow: auto;
  border: 1px solid rgba(235, 203, 139, 0.38);
  border-radius: 8px;
  background:
    linear-gradient(160deg, rgba(235, 203, 139, 0.08), transparent 26%),
    #211a16;
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.58);
}

.modal-art {
  min-height: 280px;
  background: #130f0c;
}

.attic-modal.no-art {
  grid-template-columns: minmax(320px, 680px);
}

.attic-modal.no-art .modal-art {
  display: none;
}

.modal-art img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  display: block;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.02);
}

.modal-copy {
  display: grid;
  align-content: start;
  gap: 1rem;
  padding: 22px;
}

.modal-copy h2 {
  margin: 0;
  font-size: clamp(1.7rem, 4vw, 3rem);
  letter-spacing: 0;
  font-weight: 500;
}

.modal-body {
  color: var(--attic-muted);
  font-size: 1.05rem;
  line-height: 1.55;
}

.modal-body p {
  margin: 0 0 0.85rem;
}

.inscription,
.subtitle,
.sheet {
  color: var(--attic-text);
  font-weight: 700;
}

.clue-card,
.artifact-card,
.artifact-note,
.radio-panel {
  border: 1px solid rgba(235, 203, 139, 0.24);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(226, 167, 93, 0.12), rgba(0, 0, 0, 0.14)),
    rgba(16, 12, 9, 0.42);
}

.clue-card,
.artifact-note {
  padding: 0.85rem 1rem;
}

.clue-card span,
.artifact-card span {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--attic-muted);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.clue-card strong,
.artifact-card strong {
  color: var(--attic-text);
  font-size: 1.22rem;
}

.artifact-card {
  padding: 1rem;
  color: var(--attic-text);
}

.sheet {
  padding: 1rem;
  border-radius: 6px;
  background: #f4e8cf;
  color: #2b2018;
  font-size: clamp(1.4rem, 4vw, 2rem);
  text-align: center;
}

.music-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(44px, 1fr));
  gap: 0.45rem;
  margin: 0.8rem 0 1rem;
}

.music-strip span {
  min-height: 58px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(235, 203, 139, 0.34);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 22%, rgba(235, 203, 139, 0.28), transparent 38%),
    linear-gradient(180deg, rgba(122, 79, 50, 0.55), rgba(16, 12, 9, 0.72));
  color: var(--attic-text);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
}

.modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.modal-status {
  min-height: 1.4rem;
  color: var(--attic-glow);
}

.item-illustration {
  width: min(72%, 420px);
  aspect-ratio: 1.35;
  display: grid;
  place-items: center;
  border: 1px solid rgba(235, 203, 139, 0.26);
  border-radius: 8px;
  background:
    radial-gradient(circle at 42% 38%, rgba(235, 203, 139, 0.2), transparent 36%),
    linear-gradient(135deg, rgba(122, 79, 50, 0.52), rgba(16, 12, 9, 0.72));
  box-shadow: inset 0 0 60px rgba(0, 0, 0, 0.34);
}

.brass-key-art {
  position: relative;
  width: 70%;
  height: 28%;
  filter: drop-shadow(0 18px 26px rgba(0, 0, 0, 0.38));
}

.key-bow,
.key-bow::after,
.key-shaft,
.key-bit,
.key-bit::before {
  position: absolute;
  display: block;
  content: "";
  background: linear-gradient(135deg, #f0c47d, #9c6832 62%, #d7a45f);
  border: 1px solid rgba(255, 231, 170, 0.4);
}

.key-bow {
  left: 0;
  top: 50%;
  width: 28%;
  aspect-ratio: 1;
  border-radius: 50%;
  transform: translateY(-50%);
}

.key-bow::after {
  inset: 27%;
  border-radius: 50%;
  background: rgba(16, 12, 9, 0.72);
  border-color: rgba(235, 203, 139, 0.26);
}

.key-shaft {
  left: 25%;
  top: 50%;
  width: 58%;
  height: 26%;
  transform: translateY(-50%);
  border-radius: 999px;
}

.key-bit {
  right: 0;
  top: 50%;
  width: 22%;
  height: 54%;
  transform: translateY(-50%);
  border-radius: 3px;
}

.key-bit::before {
  right: 12%;
  bottom: -38%;
  width: 34%;
  height: 52%;
  border-radius: 2px;
}

.dial-row,
.letter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin: 1rem 0;
}

.dial {
  min-width: 96px;
  display: grid;
  gap: 0.42rem;
  justify-items: center;
  padding: 0.85rem 0.7rem;
  border: 1px solid rgba(235, 203, 139, 0.28);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(226, 167, 93, 0.18), rgba(16, 12, 9, 0.38)),
    rgba(0, 0, 0, 0.22);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 -18px 28px rgba(0, 0, 0, 0.2);
}

.dial-label {
  color: var(--attic-muted);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.dial strong {
  font-family: "Courier New", monospace;
  font-size: 2.25rem;
  color: var(--attic-text);
  line-height: 1;
  text-shadow: 0 2px 0 rgba(0, 0, 0, 0.36);
}

.dial input {
  width: 64px;
  min-height: 40px;
  border: 1px solid rgba(235, 203, 139, 0.34);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.32);
  color: var(--attic-text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  text-align: center;
}

.dial input::-webkit-outer-spin-button,
.dial input::-webkit-inner-spin-button {
  margin: 0;
  appearance: none;
}

.dial button {
  width: 44px;
  border: 1px solid rgba(235, 203, 139, 0.34);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(226, 167, 93, 0.35), rgba(122, 79, 50, 0.3));
  color: var(--attic-text);
  cursor: pointer;
}

.dial button:hover,
.dial button:focus-visible {
  outline: none;
  border-color: var(--attic-glow);
  background:
    linear-gradient(180deg, rgba(235, 203, 139, 0.42), rgba(179, 130, 69, 0.4));
}

.radio-panel {
  padding: 1rem;
}

.frequency-readout {
  margin: 0.9rem 0 0.55rem;
  color: var(--attic-text);
  font-family: "Courier New", monospace;
  font-size: clamp(2rem, 8vw, 4rem);
  text-align: center;
  text-shadow: 0 0 18px rgba(235, 203, 139, 0.18);
}

.frequency-readout small {
  color: var(--attic-muted);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.36em;
}

.range-control {
  width: 100%;
  accent-color: var(--attic-amber);
}

.signal-meter {
  height: 12px;
  overflow: hidden;
  margin: 0.85rem 0 0.45rem;
  border: 1px solid rgba(235, 203, 139, 0.24);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.34);
}

.signal-meter span {
  display: block;
  width: 6%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #7a4f32, var(--attic-amber), var(--attic-glow));
  transition: width 180ms ease;
}

.hold-meter {
  height: 6px;
  overflow: hidden;
  margin: 0 0 0.7rem;
  border-radius: 999px;
  background: rgba(235, 203, 139, 0.1);
}

.hold-meter span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: var(--attic-glow);
  box-shadow: 0 0 12px rgba(235, 203, 139, 0.28);
  transition: width 60ms linear;
}

.static-line {
  color: var(--attic-muted);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.diary-pages {
  display: grid;
  gap: 0.65rem;
}

.diary-pages article {
  padding: 0.8rem;
  border: 1px solid rgba(235, 203, 139, 0.22);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.14);
}

.redacted {
  display: block;
  width: 100%;
  height: 22px;
  margin-top: 0.45rem;
  border-radius: 3px;
  background: linear-gradient(90deg, #050403 0 24%, transparent 24% 30%, #050403 30% 100%);
}

.polybius {
  width: 100%;
  border-collapse: collapse;
  margin: 0.5rem 0 1rem;
  color: var(--attic-text);
  text-align: center;
}

.polybius th,
.polybius td {
  border: 1px solid rgba(235, 203, 139, 0.28);
  padding: 0.42rem;
}

.polybius th {
  color: var(--attic-glow);
  background: rgba(235, 203, 139, 0.08);
}

.polybius td {
  background: rgba(0, 0, 0, 0.12);
}

.letter-text {
  max-height: 46vh;
  overflow: auto;
  margin: 0;
  padding: 1.2rem;
  border-radius: 6px;
  background: #f2e2bf;
  color: #2a211a;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.05rem;
  line-height: 1.7;
  white-space: pre-wrap;
}

.shake {
  animation: shake 0.22s linear;
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }

  25% {
    transform: translateX(-8px);
  }

  75% {
    transform: translateX(8px);
  }
}

/* ---------- Pickup toast stack ---------- */

.toast-stack {
  position: fixed;
  top: calc(env(safe-area-inset-top) + 70px);
  right: max(0.8rem, env(safe-area-inset-right));
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  background: linear-gradient(135deg, rgba(226, 167, 93, 0.95), rgba(122, 79, 50, 0.95));
  color: var(--attic-text);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.6rem 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 231, 170, 0.4);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.4);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  animation: toast-in 220ms ease, toast-out 320ms ease 1.5s forwards;
  pointer-events: auto;
}
@keyframes toast-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes toast-out {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(-6px); }
}
@media (prefers-reduced-motion: reduce) {
  .toast { animation: none; opacity: 1; }
}

/* ---------- Mobile + tablet portrait ---------- */

@media (max-width: 760px) {
  html,
  body {
    min-height: 100dvh;
  }

  .attic-app {
    align-items: start;
    min-height: 100dvh;
    padding: max(60px, calc(env(safe-area-inset-top) + 60px)) max(10px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left));
    place-items: start center;
  }

  .title-screen,
  .scene-shell {
    width: min(100%, calc(100vw - 20px));
  }

  .title-screen {
    min-height: calc(100dvh - 80px);
  }

  .end-screen {
    min-height: calc(100dvh - 80px);
  }

  .end-screen::after {
    background:
      linear-gradient(0deg, rgba(16, 12, 9, 0.9), rgba(16, 12, 9, 0.54) 58%, rgba(16, 12, 9, 0.18)),
      linear-gradient(90deg, rgba(16, 12, 9, 0.5), transparent);
  }

  .end-copy {
    width: 100%;
    align-self: end;
    padding: 18px;
  }

  .end-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .end-actions .primary-button,
  .end-actions .secondary-button {
    text-align: center;
    width: 100%;
  }

  .title-screen h1 {
    font-size: clamp(2.45rem, 15vw, 4.8rem);
  }

  .title-actions,
  .modal-actions {
    flex-direction: column;
  }

  .title-actions .primary-button,
  .title-actions .secondary-button,
  .modal-actions .primary-button,
  .modal-actions .secondary-button {
    width: 100%;
  }

  .topbar {
    align-items: stretch;
    flex-direction: column;
    gap: 0.5rem;
  }

  .inventory {
    gap: 0.4rem;
  }

  .inventory-item,
  .photo-hint {
    flex: 1 1 auto;
    min-width: min(150px, 100%);
    text-align: center;
  }

  .scene-frame {
    aspect-ratio: 16 / 9;
    max-height: none;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.44);
  }

  .scene-caption {
    font-size: 0.98rem;
    line-height: 1.4;
  }

  .modal-overlay {
    align-items: start;
    overflow-y: auto;
    padding: max(10px, env(safe-area-inset-top)) max(10px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left));
  }

  .attic-modal {
    width: 100%;
    max-height: none;
    grid-template-columns: 1fr;
    margin-bottom: 16px;
  }

  .modal-art {
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .modal-art img {
    min-height: 0;
    max-height: none;
    aspect-ratio: 16 / 9;
  }

  .modal-copy {
    gap: 0.8rem;
    padding: 16px;
  }

  .modal-copy h2 {
    font-size: clamp(1.6rem, 9vw, 2.5rem);
  }

  .modal-body {
    font-size: 1rem;
  }

  /* Sticky save button on long puzzles so the kid can always reach it. */
  .modal-actions {
    position: sticky;
    bottom: 0;
    padding: 0.6rem 0;
    margin: 0 -16px -16px;
    padding-left: 16px;
    padding-right: 16px;
    padding-bottom: max(0.6rem, env(safe-area-inset-bottom));
    background: linear-gradient(180deg, transparent, rgba(33, 26, 22, 0.98) 30%);
  }

  .dial-row,
  .letter-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(74px, 1fr));
    gap: 0.55rem;
  }

  .dial {
    min-width: 0;
    padding: 0.7rem 0.5rem;
  }

  .dial strong {
    font-size: 1.9rem;
  }

  .dial input {
    width: 100%;
    max-width: 58px;
  }

  .music-strip {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.3rem;
  }

  .music-strip span {
    min-height: 48px;
    font-size: 1rem;
  }

  .polybius th,
  .polybius td {
    padding: 0.3rem;
  }

  .letter-text {
    max-height: 52vh;
    padding: 1rem;
    font-size: 1rem;
  }

  .toast-stack {
    top: calc(env(safe-area-inset-top) + 56px);
    left: max(0.6rem, env(safe-area-inset-left));
    right: max(0.6rem, env(safe-area-inset-right));
    align-items: center;
  }
}

@media (max-width: 420px) {
  .inventory-item,
  .photo-hint {
    min-width: 0;
    flex-basis: calc(50% - 0.25rem);
    padding-inline: 0.6rem;
  }

  .dial-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .letter-row {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .letter-row .dial {
    padding-inline: 0.35rem;
  }

  .letter-row .dial-label {
    font-size: 0.62rem;
  }

  .letter-row .dial button {
    width: 38px;
  }

  .letter-row .dial strong {
    font-size: 1.65rem;
  }

  .letter-row .dial input {
    max-width: 44px;
  }
}