/* ── Molt — daily memory solitaire ───────────────────────────────────────────
   Card sizing is driven by --mo-cw, which molt.js measures from the space the
   board actually has. Everything else is expressed as a ratio of it, so the
   whole board scales as one piece from a small phone to a wide desktop.
   -------------------------------------------------------------------------- */

:root {
  --mo-felt:      #12352A;   /* table */
  --mo-felt-hi:   #17402F;
  --mo-rule:      rgba(255, 255, 255, 0.10);
  --mo-rule-soft: rgba(255, 255, 255, 0.05);

  --mo-card:      #F7F3E6;   /* card face */
  --mo-ink:       #1B1712;
  --mo-red:       #C0392B;
  --mo-back:      #2C5F4C;   /* molted / face-down */
  --mo-back-line: rgba(247, 243, 230, 0.16);

  --mo-gold:      #D9A441;   /* peeks, selection */
  --mo-live:      #5FD3A0;   /* completed nests, primary buttons, peek top card */
  --mo-dim:       rgba(247, 243, 230, 0.55);
  --mo-dimmer:    rgba(247, 243, 230, 0.34);

  --mo-cw:  70px;            /* card width — molt.js overwrites this */
  --mo-gap: 7px;
  /* How far each molted card peeks out from under the one above it. At 0.028 the
     sliver measured 2px and the fan was invisible; 0.045 costs about 4px of card
     width and makes stack depth readable at a glance, which is the point of it.
     fitBoard() reserves 5 x this, so the two must move together. */
  --mo-eo:  calc(var(--mo-cw) * 0.045);
}

body { background: var(--mo-felt); }

#canvas-wrap {
  background:
    radial-gradient(ellipse at 50% 12%, var(--mo-felt-hi) 0%, var(--mo-felt) 62%);
  color: var(--mo-card);
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  padding: 0;
  overflow: hidden;
}

.mo-hide { display: none !important; }

/* ── Splash ───────────────────────────────────────────────────────────────── */

#mo-splash {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px 22px 40px;
}

/* The wordmark ships as near-black ink for print and for the parchment games.
   Every surface it appears on here is dark, so it is knocked out to cream. */
.mo-splash-logo,
.mo-wordmark,
.mo-dir-logo { filter: brightness(0) invert(1); }

.mo-splash-logo { width: min(260px, 68vw); margin-bottom: 20px; }

.mo-splash-dir {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 0.92rem;
  line-height: 1.62;
  color: var(--mo-dim);
  max-width: 430px;
  margin-bottom: 22px;
}

.mo-splash-note {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 0.82rem;
  color: var(--mo-gold);
  margin-bottom: 18px;
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */

.mo-btn {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--mo-card);
  background: transparent;
  border: 1px solid var(--mo-rule);
  border-radius: 9px;
  padding: 11px 22px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
}
.mo-btn:hover:not(:disabled) { background: rgba(247, 243, 230, 0.07); }
.mo-btn:disabled { opacity: 0.34; cursor: not-allowed; }

.mo-btn-primary {
  background: var(--mo-live);
  border-color: var(--mo-live);
  color: #0C2A20;
  padding: 13px 40px;
  font-size: 0.95rem;
}
.mo-btn-primary:hover:not(:disabled) { background: #79E0B4; border-color: #79E0B4; }

/* ── Game shell ───────────────────────────────────────────────────────────── */

#mo-game {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 8px 10px;
  gap: 7px;
}

.mo-wordmark { height: 20px; opacity: 0.82; flex-shrink: 0; }

.mo-hud {
  display: flex;
  gap: 16px;
  align-items: baseline;
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mo-dimmer);
  flex-shrink: 0;
}
.mo-hud strong { color: var(--mo-card); font-size: 0.74rem; margin-left: 5px; }

/* ── Nests ────────────────────────────────────────────────────────────────── */

#mo-nests {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-shrink: 0;
}

.mo-nest {
  width: calc(var(--mo-cw) * 0.82);
  aspect-ratio: 0.7;
  border-radius: calc(var(--mo-cw) * 0.09);
  border: 1px dashed var(--mo-rule);
  background: rgba(0, 0, 0, 0.16);
  color: var(--mo-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  cursor: pointer;
  padding: 0;
  font-family: 'DM Sans', system-ui, sans-serif;
  transition: border-color 0.18s, background 0.18s, box-shadow 0.18s;
}
.mo-nest.mo-red { color: #E08A80; }
.mo-nest-suit { font-size: calc(var(--mo-cw) * 0.30); line-height: 1; }
.mo-nest-rank {
  font-size: calc(var(--mo-cw) * 0.24);
  font-weight: 700;
  line-height: 1;
  color: var(--mo-card);
}

/* An untouched nest: dashed outline, its suit, and no rank. The rank slot still
   reserves its line so the pile does not resize the moment a card lands. */
.mo-nest-empty .mo-nest-suit { opacity: 0.5; }
.mo-nest-rank:empty::after { content: '\00a0'; }

.mo-nest-full {
  border-style: solid;
  border-color: rgba(95, 211, 160, 0.45);
  background: rgba(95, 211, 160, 0.10);
}
.mo-nest-full .mo-nest-rank { color: var(--mo-live); }

/* ── Board ────────────────────────────────────────────────────────────────── */

.mo-play-area {
  flex: 1;
  min-height: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

#mo-board {
  flex: 1;
  min-height: 0;
  min-width: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

#mo-grid {
  display: grid;
  grid-template-columns: repeat(var(--mo-cols, 4), var(--mo-cw));
  gap: var(--mo-gap);
  justify-content: center;
  align-content: center;
}

.mo-stack {
  position: relative;
  padding-top: calc(var(--mo-eo) * 5);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.mo-stack-inner { position: relative; }

/* ── Cards ────────────────────────────────────────────────────────────────── */

.mo-card {
  width: var(--mo-cw);
  aspect-ratio: 0.7;
  border-radius: calc(var(--mo-cw) * 0.09);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: calc(var(--mo-cw) * 0.02);
  font-family: 'DM Sans', system-ui, sans-serif;
  user-select: none;
}

.mo-face {
  background: var(--mo-card);
  color: var(--mo-ink);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.34);
  position: relative;
  z-index: 1;
}
.mo-face.mo-red { color: var(--mo-red); }
.mo-rank { font-size: calc(var(--mo-cw) * 0.36); font-weight: 700; line-height: 1; }
.mo-suit { font-size: calc(var(--mo-cw) * 0.30); line-height: 1; }

.mo-empty {
  background: rgba(0, 0, 0, 0.20);
  border: 1px dashed var(--mo-rule);
}

.mo-back {
  background:
    repeating-linear-gradient(45deg,
      var(--mo-back) 0 calc(var(--mo-cw) * 0.07),
      #26523F calc(var(--mo-cw) * 0.07) calc(var(--mo-cw) * 0.14));
  border: 1px solid var(--mo-back-line);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.34);
}

/* The visible sliver of each molted card, fanned upward behind the top card so
   stack depth reads without changing the cell's footprint. */
.mo-edge {
  position: absolute;
  left: 3%;
  right: 3%;
  top: calc(var(--mo-e) * var(--mo-eo) * -1);
  height: calc(var(--mo-cw) / 0.7);
  border-radius: calc(var(--mo-cw) * 0.09);
  background: var(--mo-back);
  border: 1px solid var(--mo-back-line);
  box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.26);
  z-index: 0;
}

/* Past the fan cap the count takes over, so a very deep stack still reads. */
.mo-depth {
  position: absolute;
  top: 0;
  right: 2px;
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: calc(var(--mo-cw) * 0.17);
  font-weight: 700;
  color: var(--mo-felt);
  background: var(--mo-gold);
  border-radius: 99px;
  padding: 1px calc(var(--mo-cw) * 0.10);
  z-index: 2;
}

/* ── Stack states ─────────────────────────────────────────────────────────── */

.mo-stack-sel .mo-face {
  outline: 2px solid var(--mo-gold);
  outline-offset: 1px;
  transform: translateY(calc(var(--mo-cw) * -0.06));
  transition: transform 0.12s;
}

/* No .mo-stack-target rule by design: picking a card up marks that card and
   nothing else. The only remaining outline is peek mode, below, which flags
   stacks with something buried to look at — not legal moves. */

.mo-stack-peekable .mo-face { outline: 2px solid var(--mo-gold); outline-offset: 1px; }

/* Phase 3 — the molt itself. The card that just landed drops onto the stack and
   the fan grows under it, so a burial is something you watch happen. */
.mo-just-placed .mo-face { animation: mo-drop 0.24s cubic-bezier(0.3, 1.4, 0.5, 1); }
.mo-just-placed .mo-edge:first-child { animation: mo-flip 0.30s ease-out; }

@keyframes mo-drop {
  0%   { transform: translateY(calc(var(--mo-cw) * -0.30)) scale(1.05); opacity: 0.4; }
  100% { transform: translateY(0) scale(1); opacity: 1; }
}
@keyframes mo-flip {
  0%   { transform: rotateX(76deg); opacity: 0.25; }
  100% { transform: rotateX(0); opacity: 1; }
}

.mo-nested-pop { animation: mo-pop 0.30s ease-out; }
@keyframes mo-pop {
  0%   { transform: scale(1); }
  45%  { transform: scale(1.13); }
  100% { transform: scale(1); }
}

/* ── Stuck bar ────────────────────────────────────────────────────────────── */

#mo-stuck {
  width: 100%;
  max-width: 520px;
  flex-shrink: 0;
  background: rgba(217, 164, 65, 0.13);
  border: 1px solid rgba(217, 164, 65, 0.42);
  border-radius: 10px;
  padding: 10px 12px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 0.78rem;
  line-height: 1.45;
  color: #F2D9A6;
}
#mo-stuck-msg { flex: 1 1 190px; min-width: 0; }
#mo-stuck .mo-btn { padding: 8px 14px; font-size: 0.76rem; }
#mo-rescue-btn { border-color: var(--mo-gold); color: var(--mo-gold); }
#mo-rescue-btn:hover { background: rgba(217, 164, 65, 0.16); }

/* ── Tray ─────────────────────────────────────────────────────────────────── */

.mo-tray {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  padding-top: 2px;
}

.mo-tray-piles { display: flex; align-items: center; gap: 14px; }

#mo-draw, #mo-hand { position: relative; cursor: pointer; }
#mo-hand { cursor: default; }

#mo-draw.mo-draw-live .mo-back {
  box-shadow: 0 0 0 2px rgba(217, 164, 65, 0.55), 0 2px 5px rgba(0, 0, 0, 0.34);
}

.mo-draw-count {
  position: absolute;
  bottom: calc(var(--mo-cw) * -0.02);
  left: 50%;
  transform: translateX(-50%);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: calc(var(--mo-cw) * 0.17);
  font-weight: 700;
  color: var(--mo-felt);
  background: var(--mo-card);
  border-radius: 99px;
  padding: 1px calc(var(--mo-cw) * 0.11);
}

#mo-hand.mo-hand-live .mo-face {
  outline: 2px solid var(--mo-gold);
  outline-offset: 2px;
  animation: mo-drop 0.24s cubic-bezier(0.3, 1.4, 0.5, 1);
}

.mo-tray-mid {
  display: flex;
  flex-direction: column;
  gap: 7px;
  align-items: flex-start;
  font-family: 'DM Sans', system-ui, sans-serif;
}

#mo-hand-hint {
  font-size: 0.7rem;
  line-height: 1.35;
  color: var(--mo-dim);
  max-width: 148px;
}

.mo-peek-row { display: flex; align-items: center; gap: 7px; }

#mo-peek-btn {
  padding: 7px 13px;
  font-size: 0.74rem;
  border-color: rgba(217, 164, 65, 0.5);
  color: var(--mo-gold);
}
#mo-peek-btn:hover:not(:disabled) { background: rgba(217, 164, 65, 0.14); }
#mo-peek-btn.mo-peek-armed {
  background: var(--mo-gold);
  border-color: var(--mo-gold);
  color: #2A1E06;
}

.mo-peek-dots { display: flex; gap: 4px; }
.mo-peek-dot {
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: var(--mo-gold);
  transition: background 0.2s, opacity 0.2s;
}
.mo-peek-dot.mo-peek-spent { background: transparent; box-shadow: inset 0 0 0 1px var(--mo-rule); }

/* ── Legend strip ─────────────────────────────────────────────────────────── */
/* Shown under the tray for a player's first three deals, then never again. */

.mo-legend {
  flex-shrink: 0;
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--mo-dimmer);
  text-align: center;
  padding: 2px 8px 0;
  line-height: 1.4;
}
.mo-legend span { color: rgba(247, 243, 230, 0.22); padding: 0 3px; }

/* ── Tutorial ─────────────────────────────────────────────────────────────── */

#mo-tutorial {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(6, 20, 15, 0.965);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.mo-tut-box {
  position: relative;
  width: 100%;
  max-width: 430px;
  background: var(--mo-felt-hi);
  border: 1px solid var(--mo-rule);
  border-radius: 16px;
  padding: 40px 22px 20px;
  text-align: center;
  font-family: 'DM Sans', system-ui, sans-serif;
}

.mo-tut-skip {
  position: absolute;
  top: 12px;
  right: 14px;
  background: none;
  border: none;
  color: var(--mo-dimmer);
  font-family: inherit;
  font-size: 0.78rem;
  cursor: pointer;
  padding: 4px 6px;
}
.mo-tut-skip:hover { color: var(--mo-card); }

.mo-tut-title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.34rem;
  color: var(--mo-card);
  margin-bottom: 16px;
}

/* The examples are real board components, so the stage pins --mo-cw rather than
   inheriting whatever size fitBoard() last gave the live grid. */
.mo-tut-stage {
  --mo-cw: 54px;
  min-height: 132px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-bottom: 16px;
}

.mo-tut-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.mo-tut-row .mo-stack { padding-top: calc(var(--mo-eo) * 5); cursor: default; }

/* The label row mirrors the visual row column for column, so the arrow and the
   blank label that stands in for it must be the SAME fixed width — sizing the
   arrow by font-size left every caption a few pixels left of its card. */
.mo-tut-arrow {
  width: 18px;
  flex: 0 0 18px;
  text-align: center;
  color: var(--mo-dimmer);
  font-size: 1.15rem;
  line-height: 1;
}

.mo-tut-labels { gap: 10px; margin-top: 2px; }
.mo-tut-note {
  font-size: 0.6rem;
  letter-spacing: 0.05em;
  color: var(--mo-dimmer);
  width: var(--mo-cw);
  flex: 0 0 var(--mo-cw);
  line-height: 1.25;
}
.mo-tut-note:empty { width: 18px; flex: 0 0 18px; }

.mo-tut-reveal { display: flex; gap: 5px; }
.mo-tut-reveal .mo-card { --mo-cw: 42px; }
/* The "this is the card you can actually play" marker, same as the peek overlay. */
.mo-tut-reveal .mo-peek-top { outline: 2px solid var(--mo-live); outline-offset: 2px; }

.mo-tut-peeks { gap: 5px; margin-top: 10px; }
/* This caption is prose, not a column label, so it has to escape both the
   card-width and the flex-basis the label rule pins on .mo-tut-note. */
.mo-tut-peeks .mo-tut-note { width: auto; flex: 0 1 auto; margin-left: 7px; }

.mo-tut-copy {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--mo-dim);
  min-height: 4.8em;
  margin-bottom: 14px;
}

.mo-tut-dots {
  display: flex;
  gap: 7px;
  justify-content: center;
  margin-bottom: 18px;
}
.mo-tut-dot {
  width: 7px;
  height: 7px;
  border-radius: 99px;
  box-shadow: inset 0 0 0 1px var(--mo-rule);
  transition: background 0.2s;
}
.mo-tut-dot-on { background: var(--mo-live); box-shadow: none; }

.mo-tut-nav { display: flex; gap: 10px; justify-content: center; }
.mo-tut-nav .mo-btn { min-width: 104px; }

.mo-tut-rules {
  background: none;
  border: none;
  color: var(--mo-dimmer);
  font-family: inherit;
  font-size: 0.74rem;
  text-decoration: underline;
  cursor: pointer;
  margin-top: 14px;
}
.mo-tut-rules:hover { color: var(--mo-card); }

/* The "?" reads better as a circle than as a pill of text. */
.mo-help {
  width: 30px;
  padding: 0;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 99px;
}

@media (min-width: 720px) {
  .mo-tut-box { max-width: 470px; padding: 44px 30px 24px; }
  .mo-tut-stage { --mo-cw: 62px; min-height: 148px; }
  .mo-tut-copy { font-size: 0.95rem; }
  .mo-legend { font-size: 0.72rem; }
}

/* ── Peek overlay ─────────────────────────────────────────────────────────── */

#mo-peek {
  position: fixed;
  inset: 0;
  z-index: 60;
  /* Near-opaque on purpose: the board behind is a grid of cards and at 0.86 it
     read straight through the revealed hand, which is the one thing that has to
     be unambiguous in the three seconds it is up. */
  background: rgba(6, 20, 15, 0.955);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 20px;
}

#mo-peek-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  max-width: 460px;
}
#mo-peek-cards .mo-face { animation: mo-flip 0.32s ease-out backwards; }
#mo-peek-cards .mo-face:nth-child(2) { animation-delay: 0.05s; }
#mo-peek-cards .mo-face:nth-child(3) { animation-delay: 0.10s; }
#mo-peek-cards .mo-face:nth-child(4) { animation-delay: 0.15s; }
#mo-peek-cards .mo-face:nth-child(n+5) { animation-delay: 0.20s; }
#mo-peek-cards .mo-peek-top { outline: 2px solid var(--mo-live); outline-offset: 2px; }

#mo-peek-label {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 0.74rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--mo-dim);
}

.mo-peek-track {
  width: min(260px, 70vw);
  height: 3px;
  border-radius: 99px;
  background: var(--mo-rule);
  overflow: hidden;
}
#mo-peek-bar { height: 100%; width: 100%; background: var(--mo-gold); transform-origin: left; }
#mo-peek-bar.mo-peek-run { animation: mo-drain 3s linear forwards; }
@keyframes mo-drain { from { transform: scaleX(1); } to { transform: scaleX(0); } }

/* ── End overlay ──────────────────────────────────────────────────────────── */

#mo-end {
  position: fixed;
  inset: 0;
  z-index: 70;
  background: rgba(6, 20, 15, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px;
}

.mo-end-box {
  width: 100%;
  max-width: 360px;
  background: var(--mo-felt-hi);
  border: 1px solid var(--mo-rule);
  border-radius: 16px;
  padding: 26px 24px 22px;
  text-align: center;
  font-family: 'DM Sans', system-ui, sans-serif;
}

.mo-end-kicker {
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mo-dimmer);
  margin-bottom: 8px;
}

.mo-end-grade {
  font-size: 1.62rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 18px;
}

#mo-end-stats {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 20px;
  font-size: 0.86rem;
}
#mo-end-stats li {
  display: flex;
  justify-content: space-between;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--mo-rule-soft);
  color: var(--mo-dim);
}
#mo-end-stats strong { color: var(--mo-card); }

.mo-end-tomorrow { font-size: 0.76rem; color: var(--mo-dimmer); margin-top: 14px; }

.mo-end-close {
  background: none;
  border: none;
  color: var(--mo-dimmer);
  font-family: inherit;
  font-size: 0.78rem;
  text-decoration: underline;
  cursor: pointer;
  margin-top: 12px;
}

/* ── Directions modal logo ────────────────────────────────────────────────── */
.mo-dir-logo { width: 150px; display: block; margin: 0 auto 14px; }

/* ── Desktop ──────────────────────────────────────────────────────────────── */
/* Same 16-stack board, more room around it. Card size still comes from --mo-cw,
   so this only relaxes the chrome. */
@media (min-width: 720px) {
  #mo-game { padding: 14px 16px 18px; gap: 12px; }
  .mo-wordmark { height: 26px; }
  .mo-hud { font-size: 0.66rem; gap: 22px; }
  #mo-nests { gap: 11px; }
  #mo-hand-hint { font-size: 0.78rem; max-width: 190px; }

  /* Tray moves alongside the board. A four-column grid is narrow, so the width
     was going spare anyway, and handing the tray's ~110px of height back to the
     board is what lets the cards grow. */
  .mo-play-area {
    flex-direction: row;
    align-items: stretch;
    justify-content: center;
    gap: 34px;
  }
  /* A definite width matters: fitBoard() sizes the cards from this box, so
     letting it shrink-wrap the grid it is measuring would be circular. */
  #mo-board { flex: 1 1 auto; max-width: 540px; }
  .mo-tray {
    flex-direction: column;
    align-items: flex-start;
    align-self: center;
    gap: 20px;
    padding-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mo-just-placed .mo-face,
  .mo-just-placed .mo-edge:first-child,
  #mo-peek-cards .mo-face,
  .mo-nested-pop,
  #mo-hand.mo-hand-live .mo-face { animation: none !important; }
  #mo-peek-bar.mo-peek-run { animation: mo-drain 3s linear forwards; }
}