/* Family Photo Puzzle – one stylesheet, no external resources.
   Concept: a wooden table under a warm lamp; content lies on it as the
   rules leaflet (cream paper) and a green card-table felt. */

:root {
  --table: #c08d58;
  --table-deep: #9c6a3a;
  --grain-a: rgba(74, 40, 12, .10);
  --grain-b: rgba(255, 236, 200, .10);
  --plank: rgba(60, 30, 8, .22);
  --lamp: rgba(255, 233, 180, .55);
  --on-table: #26160a;
  --on-table-soft: #3d2612;

  --paper: #f8f0de;
  --paper-edge: #e6d8ba;
  --ink: #2b2118;
  --ink-soft: #64523f;

  --felt: #1e6b52;
  --felt-deep: #17523f;
  --on-felt: #f4ecd8;
  --brass: #b97f12;
  --brass-bright: #e3ac3c;
  --hole: #7a4f28;
  --cut: rgba(45, 22, 6, .6);
  --shadow: rgba(40, 18, 4, .45);

  --display: ui-rounded, "SF Pro Rounded", "Arial Rounded MT Bold", "Nunito", "Varela Round", system-ui, sans-serif;
  --body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --table: #2b1a0f;
    --table-deep: #170d06;
    --grain-a: rgba(0, 0, 0, .22);
    --grain-b: rgba(255, 214, 160, .035);
    --plank: rgba(0, 0, 0, .45);
    --lamp: rgba(255, 190, 110, .20);
    --on-table: #f6ead2;
    --on-table-soft: #dcc9a6;

    --paper: #382a1e;
    --paper-edge: #4a3a2a;
    --ink: #f3e7cf;
    --ink-soft: #cbb897;

    --felt: #1b5e49;
    --felt-deep: #113d2f;
    --brass: #e3ac3c;
    --hole: #120a05;
    --cut: rgba(20, 8, 0, .7);
    --shadow: rgba(0, 0, 0, .6);
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font: 1.0625rem/1.6 var(--body);
  color: var(--on-table);
  background-color: var(--table);
  background-image:
    radial-gradient(ellipse 85% 620px at 50% -80px, var(--lamp), transparent 72%),
    repeating-linear-gradient(0deg, transparent 0 187px, var(--plank) 187px 189px),
    repeating-linear-gradient(91deg, transparent 0 17px, var(--grain-a) 17px 18px, transparent 18px 43px, var(--grain-b) 43px 45px, transparent 45px 101px, var(--grain-a) 101px 103px, transparent 103px 137px),
    linear-gradient(180deg, var(--table), var(--table-deep));
  padding: 0 max(1.25rem, env(safe-area-inset-right)) 0 max(1.25rem, env(safe-area-inset-left));
}

main { flex: 1; width: 100%; max-width: 68rem; margin: 0 auto; }

h1, h2, h3 { font-family: var(--display); font-weight: 800; line-height: 1.12; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2.1rem, 1.2rem + 3.6vw, 3.6rem); letter-spacing: -.015em; }
h2 { font-size: clamp(1.45rem, 1.2rem + 1vw, 1.9rem); }
h3 { font-size: 1.15rem; line-height: 1.25; }
p { margin: 0; }

a { color: inherit; text-underline-offset: .18em; }
:focus-visible { outline: 3px solid var(--brass-bright); outline-offset: 3px; border-radius: 6px; }

.skip { position: absolute; left: -999rem; top: .5rem; background: var(--paper); color: var(--ink); padding: .5rem .9rem; border-radius: 8px; z-index: 5; }
.skip:focus { left: .75rem; }

/* ------------------------------------------------------------ header/footer */
.top, .bottom { width: 100%; max-width: 68rem; margin: 0 auto; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.1rem 0; }
.brand { display: inline-flex; align-items: center; gap: .55rem; font: 800 1.1rem/1 var(--display); text-decoration: none; }
.piece-icon { fill: var(--felt); flex: none; }
.brand .piece-icon { fill: var(--on-table); transform: rotate(-12deg); }
.langs { display: flex; gap: .15rem; font-size: .85rem; font-weight: 600; }
.langs a { text-decoration: none; padding: .35rem .55rem; border-radius: 999px; color: var(--on-table-soft); }
.langs a:hover { text-decoration: underline; }
.langs a[aria-current] { background: var(--on-table); color: var(--table); }

.bottom { padding: 2.5rem 0 max(2rem, env(safe-area-inset-bottom)); font-size: .92rem; color: var(--on-table-soft); display: flex; flex-wrap: wrap; justify-content: space-between; gap: .6rem 2rem; }
.bottom a { margin-right: 1.2rem; }
.bottom a:last-child { margin-right: 0; }

/* --------------------------------------------------------------------- hero */
.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); align-items: center; gap: clamp(1.5rem, 5vw, 4.5rem); padding: clamp(1.5rem, 5vw, 4rem) 0 clamp(2.5rem, 6vw, 5rem); }
.hero .lead { margin-top: 1.2rem; font-size: 1.2rem; line-height: 1.55; max-width: 34rem; color: var(--on-table-soft); }
.hero .actions { margin-top: 1.9rem; }
.hero-art { transform: rotate(-3.5deg); padding: 0 4%; }

/* ------------------------------------------------------------------- puzzle */
.puzzle { display: block; width: 100%; height: auto; overflow: visible; filter: drop-shadow(0 18px 18px var(--shadow)); }
.puzzle .board { fill: var(--paper); }
.puzzle .cut { fill: none; stroke: var(--cut); stroke-width: 1.4; stroke-linejoin: round; }
.puzzle .hole { fill: var(--hole); }
.puzzle .loose { transform-box: fill-box; transform-origin: center; filter: drop-shadow(0 7px 5px var(--shadow)); }

.puzzle--waiting .loose { transform: translate(58px, 64px) rotate(17deg); }
.puzzle--missing .loose { display: none; }
.puzzle--gone .loose { display: none; }
.puzzle--gone { filter: grayscale(.9) drop-shadow(0 12px 14px var(--shadow)); opacity: .7; }

.puzzle--snap .loose { animation: snap 1.5s cubic-bezier(.3, .9, .3, 1) .5s both; }
@keyframes snap {
  0%   { transform: translate(86px, 92px) rotate(24deg); }
  70%  { transform: translate(4px, 5px) rotate(2deg); filter: drop-shadow(0 7px 5px var(--shadow)); }
  100% { transform: none; filter: drop-shadow(0 0 0 transparent); }
}
@media (prefers-reduced-motion: reduce) {
  .puzzle--snap .loose { animation: none; filter: none; }
}

/* ------------------------------------------------------------------ buttons */
.actions { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; }
.btn, .store { display: inline-flex; align-items: center; justify-content: center; min-height: 3.25rem; border-radius: 14px; text-decoration: none; font-family: var(--display); font-weight: 700; transition: transform .12s ease; }
.btn:active, .store:active { transform: translateY(1px) scale(.99); }
.btn { padding: .7rem 1.6rem; font-size: 1.12rem; background: var(--felt); color: var(--on-felt); box-shadow: inset 0 -3px 0 var(--felt-deep), 0 6px 14px -6px var(--shadow); }
.btn:hover { background: var(--felt-deep); }
.btn-quiet { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 2px var(--ink-soft); }
.btn-quiet:hover { background: var(--paper-edge); }
.store { gap: .6rem; padding: .45rem 1.25rem .45rem 1rem; background: #1c1410; color: #fbf4e4; font-size: 1.22rem; line-height: 1.1; box-shadow: inset 0 0 0 1px rgba(255, 240, 210, .28), 0 6px 14px -6px var(--shadow); }
.store:hover { background: #000; }
.store span { display: flex; flex-direction: column; align-items: flex-start; }
.store small { font: 500 .7rem/1.2 var(--body); opacity: .85; }

/* -------------------------------------------------------------- paper sheet */
.sheet { background: var(--paper); color: var(--ink); border-radius: 5px; padding: clamp(1.6rem, 4.5vw, 3.2rem); box-shadow: 0 0 0 1px var(--paper-edge), 0 1px 2px var(--shadow), 0 26px 40px -22px var(--shadow); }
.sheet .lead { color: var(--ink-soft); }

.steps { list-style: none; margin: 1.8rem 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem clamp(1.5rem, 4vw, 3rem); counter-reset: step; }
.steps li { counter-increment: step; }
.steps li::before { content: counter(step); display: block; font: 800 3.4rem/1 var(--display); color: var(--brass); margin-bottom: .5rem; }
.steps p { margin-top: .45rem; color: var(--ink-soft); }

/* --------------------------------------------------------------------- felt */
.felt { margin-top: clamp(1.5rem, 4vw, 2.75rem); background-color: var(--felt); background-image: radial-gradient(ellipse at 50% 0, rgba(255, 255, 255, .09), transparent 65%); color: var(--on-felt); border-radius: 18px; padding: clamp(1.6rem, 4.5vw, 3.2rem); box-shadow: inset 0 0 0 6px var(--felt-deep), inset 0 0 0 7px rgba(255, 255, 255, .12), 0 26px 40px -22px var(--shadow); }
.felt-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.6rem clamp(1.5rem, 4vw, 3rem); margin: 1.6rem 0 1.8rem; }
.felt-cols p { margin-top: .45rem; opacity: .92; }
.felt-link { font-weight: 600; }

/* ------------------------------------------------- landing + message pages */
.ticket { max-width: 36rem; margin: clamp(4.5rem, 14vw, 7rem) auto 0; text-align: center; }
.ticket-art { width: min(78%, 21rem); margin: calc(-1 * clamp(5.5rem, 17vw, 8rem)) auto 1.6rem; transform: rotate(-4deg); }
.ticket h1 { font-size: clamp(1.8rem, 1.2rem + 2.6vw, 2.5rem); }
.ticket .lead { margin-top: 1rem; font-size: 1.1rem; }
.ticket .actions { justify-content: center; margin-top: 1.7rem; }
.ticket h2 { font-size: 1.15rem; margin-top: 2.4rem; }

.facts { list-style: none; margin: 1.4rem 0 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem .6rem; font-weight: 600; font-size: .98rem; }
.facts li { display: inline-flex; align-items: center; gap: .45rem; padding: .4rem .85rem; border-radius: 999px; background: var(--paper-edge); }
.facts svg { flex: none; color: var(--felt); }
@media (prefers-color-scheme: dark) { .facts svg, .facts .piece-icon { color: var(--brass); fill: var(--brass); } }

.hint { margin-top: 1.3rem; padding: .85rem 1rem; border-left: 4px solid var(--brass); background: var(--paper-edge); border-radius: 4px; text-align: left; font-size: .97rem; }
[hidden] { display: none !important; }

.ministeps { margin: .9rem auto 0; padding: 0; list-style: none; counter-reset: mini; text-align: left; max-width: 27rem; }
.ministeps li { counter-increment: mini; position: relative; padding: .45rem 0 .45rem 2.7rem; }
.ministeps li::before { content: counter(mini); position: absolute; left: 0; top: .35rem; width: 1.9rem; height: 1.9rem; border-radius: 50%; display: grid; place-items: center; font: 800 1rem/1 var(--display); background: var(--brass); color: #fff8e6; }
@media (prefers-color-scheme: dark) { .ministeps li::before { color: #2a1a08; } }

.lock { margin-top: 1.8rem; display: flex; gap: .5rem; justify-content: center; align-items: flex-start; font-size: .92rem; color: var(--ink-soft); text-align: left; }
.lock svg { flex: none; margin-top: .2rem; }

/* -------------------------------------------------------------------- prose */
.prose { max-width: 46rem; margin: clamp(.5rem, 3vw, 2rem) auto 0; }
.prose h1 { font-size: clamp(1.9rem, 1.3rem + 2.4vw, 2.7rem); }
.prose .lead { margin-top: 1rem; font-size: 1.15rem; }
.prose h2 { font-size: 1.3rem; margin-top: 2.3rem; }
.prose p, .prose ul, .prose address { margin-top: .8rem; }
.prose ul { padding-left: 1.25rem; }
.prose li + li { margin-top: .55rem; }
.prose address { font-style: normal; }
.placeholder { padding: .9rem 1rem; border: 2px dashed #b3261e; border-radius: 6px; color: #8c1d18; background: rgba(179, 38, 30, .07); font-weight: 600; }
@media (prefers-color-scheme: dark) { .placeholder { color: #ffb4ab; border-color: #ffb4ab; } }

/* --------------------------------------------------------------- responsive */
@media (max-width: 52rem) {
  .hero { grid-template-columns: 1fr; }
  .hero-art { order: -1; max-width: 26rem; width: 100%; margin: 0 auto; padding: 0 8% 0 4%; }
  .steps, .felt-cols { grid-template-columns: 1fr; }
  .steps li { display: grid; grid-template-columns: 3rem 1fr; column-gap: .6rem; }
  .steps li::before { grid-row: span 2; font-size: 2.8rem; margin: 0; }
  .steps p { grid-column: 2; }
}
@media (max-width: 26rem) {
  body { font-size: 1rem; }
  .brand span { font-size: 1rem; }
  .actions > * { width: 100%; }
}

@media print {
  body { background: #fff; color: #000; }
  .top nav, .hero-art, .ticket-art { display: none; }
}