:root {
  --bg-1: #fff7fb;
  --bg-2: #fff1f7;
  --surface: #ffffff;
  --surface-soft: #fff7fb;
  --text: #3b2142;
  --muted: #7a5a74;
  --accent: #b11f8f;
  --accent-2: #d94bb3;
  --accent-soft: #ffd8ef;
  --chip: #ffe7f3;
  --border: #f3cfe3;
  --success: #39805c;
  --success-soft: #e3f6eb;
  --warning: #a84e70;
  --shadow: 0 18px 40px rgba(177, 31, 143, 0.12);
  --radius-xl: 30px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-pill: 999px;
}

/* Case-file theme, scoped to the landing screen and its notes dialog. */
body:has(#startScreen.active) {
  --bg-1: #f3ead6;
  --bg-2: #e7dac0;
  --surface: #fbf5e8;
  --surface-soft: #f4ead6;
  --text: #3d2b20;
  --muted: #725f4e;
  --accent: #7b2935;
  --accent-2: #963b47;
  --accent-soft: #ddc2b8;
  --chip: #eadcc4;
  --border: #c8b494;
  --shadow: 0 16px 34px rgba(61, 43, 32, 0.16);
  background-color: var(--bg-1);
  background-image:
    repeating-linear-gradient(0deg, rgba(86, 62, 42, 0.025) 0, rgba(86, 62, 42, 0.025) 1px, transparent 1px, transparent 4px),
    linear-gradient(180deg, var(--bg-1), var(--bg-2));
}

body:has(#startScreen.active) .brand,
body:has(#startScreen.active) .level-label,
#startScreen h1,
#startScreen .eyebrow,
#startScreen .button,
body:has(#startScreen.active) .modal-card h2,
body:has(#startScreen.active) .modal-card .eyebrow,
body:has(#startScreen.active) .modal-card .button {
  font-family: "Special Elite", cursive;
  letter-spacing: 0;
}

#startScreen {
  border-radius: 8px;
  background-color: rgba(251, 245, 232, 0.94);
  background-image: repeating-linear-gradient(0deg, rgba(86, 62, 42, 0.022) 0, rgba(86, 62, 42, 0.022) 1px, transparent 1px, transparent 5px);
}

#startScreen .eyebrow,
body:has(#startScreen.active) .level-label {
  border: 1px solid rgba(123, 41, 53, 0.55);
  border-radius: 3px;
  background: transparent;
  transform: rotate(-1deg);
}

#startScreen .button,
body:has(#startScreen.active) .modal-card .button { border-radius: 4px; }
body:has(#startScreen.active) .button-ghost { background: #fbf5e8; }
body:has(#startScreen.active) .modal-card { border-radius: 8px; background: #fbf5e8; }

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  font-family: "Comic Sans MS", "Comic Sans", "Trebuchet MS", Arial, sans-serif;
  background:
    radial-gradient(circle at top left, #ffe5f4 0%, transparent 34%),
    radial-gradient(circle at top right, #ffd9f0 0%, transparent 30%),
    linear-gradient(180deg, var(--bg-1), var(--bg-2));
}

button, input { font: inherit; }
a { color: inherit; text-decoration: none; }

.game-header {
  width: min(1220px, calc(100% - 28px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.2rem;
  font-weight: 700;
}

.brand-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: var(--shadow);
}

.brand-mark img,
.main-tile img {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: inherit;
  object-fit: contain;
  image-rendering: auto;
}

.level-label, .eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  border-radius: var(--radius-pill);
  color: var(--accent);
  background: var(--chip);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.game-shell {
  width: min(1120px, calc(100% - 28px));
  margin: 0 auto;
  padding: 12px 0 50px;
}

.screen { display: none; }
.screen.active { display: block; animation: reveal 0.4s ease both; }

@keyframes reveal {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.start-screen {
  min-height: min(690px, calc(100vh - 110px));
  position: relative;
  overflow: hidden;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 40px;
  padding: clamp(34px, 7vw, 78px);
  border: 1px solid var(--border);
  border-radius: 36px;
  background: radial-gradient(circle at 12% 16%, #ffe2f4, transparent 25%), rgba(255,255,255,.92);
  box-shadow: var(--shadow);
}

.start-screen.active { display: grid; }
.start-copy { position: relative; z-index: 2; }

h1 {
  max-width: 720px;
  margin: 18px 0 14px;
  font-size: clamp(3rem, 7vw, 5.7rem);
  line-height: .96;
  letter-spacing: -.05em;
}

.start-copy > p {
  max-width: 590px;
  margin: 0 0 28px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.65;
}

.button-stack { display: flex; flex-wrap: wrap; gap: 12px; }

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border: 0;
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-weight: 700;
  transition: transform .16s ease, box-shadow .16s ease, opacity .16s ease;
}

.button:hover:not(:disabled), .button:focus-visible:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(177,31,143,.2);
}

.button:focus-visible { outline: 3px solid var(--accent-soft); outline-offset: 3px; }
.button:disabled { cursor: not-allowed; opacity: .45; }
.button-primary { color: white; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.button-secondary { color: var(--accent); background: var(--chip); }
.button-ghost { border: 1px solid var(--border); background: white; }

.start-art { min-height: 390px; display: grid; place-items: center; }

.mosaic-orbit {
  width: min(100%, 340px);
  aspect-ratio: 1;
  position: relative;
  display: grid;
  place-items: center;
  border: 1px dashed rgba(177,31,143,.25);
  border-radius: 50%;
  background: rgba(255,255,255,.45);
  animation: float 5s ease-in-out infinite;
}

@keyframes float { 50% { transform: translateY(-10px); } }

.main-tile {
  width: 140px;
  height: 140px;
  display: grid;
  place-items: center;
  border: 9px solid white;
  border-radius: 38px;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 26px 50px rgba(177,31,143,.28);
  font-size: 4.4rem;
  transform: rotate(-7deg);
}

.mini-tile {
  position: absolute;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border: 5px solid white;
  border-radius: 18px;
  background: var(--chip);
  box-shadow: 0 12px 24px rgba(177,31,143,.15);
  font-size: 1.45rem;
  font-weight: 700;
}

.tile-one { top: 32px; right: 36px; transform: rotate(9deg); }
.tile-two { left: 16px; top: 105px; transform: rotate(-10deg); }
.tile-three { right: 35px; bottom: 30px; transform: rotate(12deg); }

.progress {
  max-width: 680px;
  margin: 4px auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.progress-step {
  min-width: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  color: var(--muted);
  background: white;
  font-size: .85rem;
}

.progress-step.active, .progress-step.done { color: white; border-color: transparent; background: var(--accent); }
.progress-line { width: 54px; height: 2px; background: var(--border); }

.stage-card {
  min-height: 700px;
  padding: clamp(24px, 5vw, 48px);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: rgba(255,255,255,.94);
  box-shadow: var(--shadow);
}

.stage-heading { max-width: 720px; margin: 0 auto 28px; text-align: center; }
.stage-heading h2, .explanation-panel h2, .finish-screen h2, .modal-card h2 {
  margin: 12px 0 8px;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}
.stage-heading p { margin: 0; color: var(--muted); line-height: 1.6; }

.stage-panel { display: none; }
.stage-panel.active { display: block; animation: reveal .35s ease both; }

.puzzle-board {
  width: min(100%, 640px);
  aspect-ratio: 4 / 3;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 1fr);
  gap: 3px;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--accent-soft);
  box-shadow: 0 16px 34px rgba(177,31,143,.13);
  overflow: hidden;
}

.puzzle-piece {
  position: relative;
  min-width: 0;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background-repeat: no-repeat;
  cursor: grab;
  transition: transform .14s ease, box-shadow .14s ease, opacity .14s ease;
}

.puzzle-piece:hover, .puzzle-piece:focus-visible { z-index: 2; transform: scale(1.035); box-shadow: 0 8px 18px rgba(59,33,66,.22); }
.puzzle-piece.selected { z-index: 3; outline: 4px solid white; box-shadow: 0 0 0 7px var(--accent); transform: scale(.94); }
.puzzle-piece.dragging { opacity: .55; cursor: grabbing; }

.feedback { min-height: 30px; margin: 20px auto 12px; color: var(--warning); text-align: center; font-weight: 700; }
.feedback.success { color: var(--success); }
.continue-button { margin: 0 auto; }
.stage-panel > .continue-button { display: flex; }

.clue-scene {
  width: min(100%, 760px);
  aspect-ratio: 4 / 3;
  position: relative;
  margin: 0 auto;
  overflow: hidden;
  border: 8px solid white;
  border-radius: 24px;
  background-position: center;
  background-size: cover;
  box-shadow: 0 18px 38px rgba(177,31,143,.18);
}

.hotspot {
  position: absolute;
  border: 2px dashed rgba(255,255,255,.8);
  border-radius: 50%;
  background: rgba(255,255,255,.11);
  cursor: pointer;
  transition: background .16s ease, transform .16s ease, box-shadow .16s ease;
}

.hotspot::after {
  content: "?";
  position: absolute;
  inset: 50% auto auto 50%;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--accent);
  background: white;
  box-shadow: 0 6px 14px rgba(59,33,66,.2);
  font-weight: 700;
  transform: translate(-50%, -50%);
}

.hotspot:hover, .hotspot:focus-visible { background: rgba(255,255,255,.3); transform: scale(1.06); }
.hotspot.correct { border-color: white; background: rgba(57,128,92,.34); box-shadow: 0 0 0 5px rgba(255,255,255,.55); }
.hotspot.correct::after { content: "✓"; color: var(--success); }

.question-form { max-width: 760px; margin: 0 auto; }
.question-form fieldset { margin: 0; padding: 0; border: 0; }
.question-form legend { margin-bottom: 22px; font-size: clamp(1.3rem, 3vw, 1.75rem); font-weight: 700; line-height: 1.4; }
.answers-list { display: grid; gap: 12px; }

.answer-option {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 17px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
  cursor: pointer;
  line-height: 1.55;
  transition: border-color .16s ease, background .16s ease, transform .16s ease;
}

.answer-option:hover { border-color: var(--accent-2); transform: translateX(3px); }
.answer-option:has(input:checked) { border-color: var(--accent); background: var(--chip); box-shadow: 0 0 0 2px var(--accent-soft); }
.answer-option input { flex: 0 0 auto; margin-top: 4px; accent-color: var(--accent); }
.question-form .button { margin-right: 8px; }

.explanation-panel { max-width: 700px; margin: 55px auto; text-align: center; }
.explanation-panel p { color: var(--muted); font-size: 1.1rem; line-height: 1.75; }
.explanation-icon, .solved-badge {
  width: 90px;
  height: 90px;
  margin: 0 auto 18px;
  display: grid;
  place-items: center;
  border-radius: 30px;
  background: var(--chip);
  box-shadow: var(--shadow);
  font-size: 2.8rem;
}

.finish-screen {
  min-height: min(650px, calc(100vh - 110px));
  padding: clamp(40px, 8vw, 90px) 24px;
  border: 1px solid var(--border);
  border-radius: 36px;
  background: radial-gradient(circle at 50% 10%, #ffe2f4, transparent 36%), rgba(255,255,255,.94);
  box-shadow: var(--shadow);
  text-align: center;
}

.finish-screen p { max-width: 580px; margin: 0 auto 28px; color: var(--muted); font-size: 1.08rem; line-height: 1.7; }
.finish-actions { justify-content: center; }
.solved-badge { color: white; background: linear-gradient(135deg, var(--success), #65b58a); font-size: 2.4rem; }

.modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: none;
  place-items: center;
  padding: 18px;
  background: rgba(59,33,66,.46);
  backdrop-filter: blur(8px);
}
.modal.active { display: grid; }
.modal-card {
  width: min(100%, 540px);
  position: relative;
  padding: clamp(28px, 6vw, 46px);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: white;
  box-shadow: 0 28px 70px rgba(59,33,66,.25);
}
.modal-card ol { margin: 22px 0 26px; padding-left: 25px; color: var(--muted); line-height: 1.95; }
.modal-close {
  position: absolute;
  top: 15px;
  right: 15px;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text);
  background: var(--surface-soft);
  cursor: pointer;
  font-size: 1.5rem;
}

@media (max-width: 800px) {
  .start-screen { grid-template-columns: 1fr; }
  .start-art { display: none; }
  .progress-step b { display: none; }
  .progress-step { min-width: 42px; width: 42px; height: 42px; padding: 0; }
  .progress-line { width: 34px; }
  .stage-card { min-height: 620px; }
}

@media (max-width: 540px) {
  .game-header { align-items: flex-start; }
  .brand { font-size: 1rem; }
  .level-label { margin-top: 5px; }
  .start-screen, .finish-screen, .stage-card { border-radius: 25px; }
  .start-screen { min-height: calc(100vh - 110px); padding: 28px 22px; }
  .button-stack, .button-stack .button { width: 100%; }
  .puzzle-board { gap: 2px; padding: 4px; border-radius: 16px; }
  .question-form .button { width: 100%; margin: 0 0 10px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* Detective Case Archive: shared treatment for every internal game screen. */
body {
  --bg-1: #f3ead6; --bg-2: #e7dac0; --surface: #fbf5e8; --surface-soft: #f4ead6;
  --text: #3d2b20; --muted: #725f4e; --accent: #7b2935; --accent-2: #963b47;
  --accent-soft: #ddc2b8; --chip: #eadcc4; --border: #c8b494; --warning: #7b2935;
  --shadow: 0 14px 30px rgba(61, 43, 32, .14); --radius-xl: 8px; --radius-lg: 7px; --radius-md: 5px;
  background-color: var(--bg-1);
  background-image: repeating-linear-gradient(0deg, rgba(86,62,42,.025) 0, rgba(86,62,42,.025) 1px, transparent 1px, transparent 4px), linear-gradient(180deg, var(--bg-1), var(--bg-2));
}
.brand, .level-label, .eyebrow, .progress-step, .stage-heading h2,
.explanation-panel h2, .finish-screen h2, .modal-card h2, .question-form legend, .button {
  font-family: "Special Elite", cursive; letter-spacing: 0;
}
.brand-mark { border-radius: 6px; background: var(--accent); box-shadow: 0 7px 16px rgba(61,43,32,.18); }
.level-label, .eyebrow { border: 1px solid rgba(123,41,53,.55); border-radius: 3px; background: #f5ead4; }
.level-label { transform: rotate(-1deg); }
.button { border-radius: 4px; }
.button-primary { color: #fff8e8; background: var(--accent); }
.button-secondary, .button-ghost { color: var(--accent); border: 1px solid var(--border); background: #fbf5e8; }
.button:hover:not(:disabled), .button:focus-visible:not(:disabled) { box-shadow: 0 8px 18px rgba(61,43,32,.2); }
.progress { gap: 0; }
.progress-step { border-color: #bda98b; border-radius: 3px; background: #f5ead4; box-shadow: 0 2px 5px rgba(61,43,32,.08); }
.progress-step.active, .progress-step.done { border-color: var(--accent); color: #fff8e8; background: var(--accent); }
.progress-line { background: #bda98b; }
.stage-card, .finish-screen, .modal-card {
  border-color: #bda98b; border-radius: 8px; background-color: rgba(251,245,232,.96);
  background-image: repeating-linear-gradient(0deg, rgba(86,62,42,.02) 0, rgba(86,62,42,.02) 1px, transparent 1px, transparent 5px);
}
.puzzle-board { border-color: #9f8064; border-radius: 6px; background: #cbb691; box-shadow: 0 10px 22px rgba(61,43,32,.16); }
.puzzle-piece { border-radius: 2px; }
.puzzle-piece:hover, .puzzle-piece:focus-visible { box-shadow: 0 6px 14px rgba(61,43,32,.28); }
.puzzle-piece.selected { outline-color: #fff8e8; box-shadow: 0 0 0 7px var(--accent); }
.clue-scene { border-color: #f8efd9; border-radius: 6px; box-shadow: 0 10px 24px rgba(61,43,32,.18); }
.hotspot::after { color: var(--accent); background: #fff8e8; }
.answer-option { border-radius: 5px; background: #f7efdd; }
.answer-option:has(input:checked) { background: #eadcc4; }
.explanation-icon, .solved-badge { border-radius: 6px; }
.modal { background: rgba(61,43,32,.48); }