/* Solitaire — the same brass lamp, over a deck of ivory. */

:root {
  --ink:        #12100C;
  --parchment:  #F0E4CC;
  --parchment-2:#C3B294;
  --parchment-3:#8B7C64;
  --brass:      #C79A45;
  --brass-2:    #8A6C31;
  --crimson:    #A9342B;
  --verdigris:  #3FA97A;

  --shell: 1px solid color-mix(in srgb, var(--brass) 34%, transparent);

  /* A card is ivory, not parchment, for the reason a tile is: it has to read
     as a different material from the page under it. */
  --card-face:  #EDE2CA;
  --card-face-2:#DCCDAE;
}

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

html, body { height: 100%; }

body {
  margin: 0;
  font-family: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  color: var(--parchment);
  background:
    radial-gradient(130% 90% at 50% -20%, #33281D 0%, #1D1710 46%, #0D0A07 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

[hidden] { display: none !important; }

.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: .3;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
}

/* -------------------------------------------------------------- layout -- */

.page {
  position: relative;
  z-index: 2;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(8px, 1.6vh, 16px);
  padding: 12px 16px calc(16px + env(safe-area-inset-bottom));
  max-width: 980px;
  margin-inline: auto;
}

/* ----------------------------------------------------------- masthead -- */

.topbar {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.masthead {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 16px;
  min-width: 0;
}

.backlink {
  font-size: 10px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--parchment-3);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color .2s, border-color .2s;
}
.backlink::before { content: '\27F5\2003'; }
.backlink:hover {
  color: var(--brass);
  border-bottom-color: color-mix(in srgb, var(--brass) 50%, transparent);
}

.title {
  font-family: 'Fraunces', Georgia, serif;
  font-variation-settings: 'SOFT' 50, 'opsz' 120, 'wght' 620;
  font-weight: 620;
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
  line-height: 1;
  margin: 0;
  letter-spacing: -.015em;
  text-shadow: 0 1px 0 #000, 0 0 34px rgba(199, 154, 69, .18);
}

.stamp {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--brass);
}
.stamp__rule {
  width: 18px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--brass-2), transparent);
}

.shelfnote {
  margin: 0;
  font-family: 'Fraunces', Georgia, serif;
  font-variation-settings: 'ital' 1, 'wght' 500;
  font-style: italic;
  font-size: 13px;
  color: var(--parchment-3);
  text-align: center;
}

/* ---------------------------------------------------------------- felt -- */

/* One positioned box holds every slot and every card. The renderer measures
   it, so it takes whatever height the page has left and no less than enough
   for a column to read. */
.felt {
  position: relative;
  width: 100%;
  flex: 1 1 auto;
  min-height: 340px;
  user-select: none;
  -webkit-user-select: none;
}

.cards {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* --------------------------------------------------------------- slots -- */

.slot {
  position: absolute;
  top: 0;
  left: 0;
  width: var(--card-w);
  height: var(--card-h);
  display: grid;
  place-items: center;
  border: 1px dashed rgba(199, 154, 69, .26);
  border-radius: calc(var(--card-w) * .09);
  background: rgba(0, 0, 0, .2);
  transition: border-color .2s, background .2s;
}

.slot__suit {
  width: 42%;
  height: 42%;
  fill: rgba(199, 154, 69, .16);
}

/* The stock's place. When the waste can be turned back over it says so, and
   it is the one slot that is itself a button. */
.slot--stock { cursor: pointer; }
.slot--stock:focus-visible { outline: 2px solid var(--brass); outline-offset: 2px; }
.slot__again {
  font-size: calc(var(--card-w) * .5);
  line-height: 1;
  color: rgba(199, 154, 69, .5);
  opacity: 0;
  transition: opacity .2s, color .2s;
}
.slot--stock.can-recycle .slot__again { opacity: 1; }
.slot--stock.can-recycle:hover .slot__again { color: var(--brass); }

.slot.is-target {
  border-color: var(--brass);
  box-shadow: 0 0 0 2px var(--brass), 0 0 14px rgba(199, 154, 69, .5);
}

/* --------------------------------------------------------------- cards -- */

.card {
  position: absolute;
  top: 0;
  left: 0;
  width: var(--card-w);
  height: var(--card-h);
  padding: 0;
  margin: 0;
  border: 0;
  border-radius: calc(var(--card-w) * .09);
  pointer-events: auto;
  cursor: grab;
  touch-action: none;
  font: inherit;
  color: #2A2117;
  background:
    linear-gradient(158deg, #FBF4E4 0%, var(--card-face) 46%, var(--card-face-2) 100%);
  box-shadow:
    0 0 0 1px rgba(107, 91, 66, .55),
    inset 0 0 0 calc(var(--card-w) * .03) rgba(255, 255, 255, .5),
    calc(var(--card-w) * .02) calc(var(--card-w) * .04) calc(var(--card-w) * .1) rgba(9, 7, 5, .5);
  transition:
    transform .3s cubic-bezier(.25, 1, .4, 1),
    filter .2s ease;
  -webkit-tap-highlight-color: transparent;
}
.card:focus-visible { outline: 2px solid var(--brass); outline-offset: 2px; }
.card.is-red { color: var(--crimson); }

/* The back: oxblood with a brass lattice, drawn in CSS so there is nothing
   to load and nothing to tell one back from another. */
.card.is-down {
  cursor: default;
  background:
    repeating-linear-gradient(45deg, rgba(199, 154, 69, .16) 0 1px, transparent 1px 7px),
    repeating-linear-gradient(-45deg, rgba(199, 154, 69, .16) 0 1px, transparent 1px 7px),
    radial-gradient(120% 90% at 30% 20%, #7A2A22 0%, #521A15 70%, #3D130F 100%);
  box-shadow:
    0 0 0 1px rgba(20, 12, 8, .8),
    inset 0 0 0 calc(var(--card-w) * .06) #3D130F,
    inset 0 0 0 calc(var(--card-w) * .075) rgba(199, 154, 69, .45),
    calc(var(--card-w) * .02) calc(var(--card-w) * .04) calc(var(--card-w) * .1) rgba(9, 7, 5, .5);
}

.card__face {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.card__corner {
  position: absolute;
  top: calc(var(--card-w) * .06);
  left: calc(var(--card-w) * .07);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: calc(var(--card-w) * .02);
  line-height: 1;
}
.card__corner b {
  font-family: 'Fraunces', Georgia, serif;
  font-variation-settings: 'SOFT' 30, 'opsz' 72, 'wght' 650;
  font-weight: 650;
  font-size: calc(var(--card-w) * .3);
  letter-spacing: -.04em;
}
.card__suit {
  width: calc(var(--card-w) * .2);
  height: calc(var(--card-w) * .2);
  fill: currentColor;
}

/* The mirrored corner earns its place only on a card big enough to show it
   without crowding the middle. */
.card__corner--end {
  top: auto;
  left: auto;
  bottom: calc(var(--card-w) * .06);
  right: calc(var(--card-w) * .07);
  rotate: 180deg;
}
.felt.is-small .card__corner--end { display: none; }

.card__pip {
  width: 46%;
  height: 46%;
  margin-top: 18%;
  fill: currentColor;
  opacity: .92;
}

.card__court {
  margin-top: 16%;
  display: flex;
  align-items: center;
  gap: calc(var(--card-w) * .03);
  font-family: 'Fraunces', Georgia, serif;
  font-variation-settings: 'SOFT' 80, 'opsz' 144, 'wght' 500;
  font-style: italic;
  font-size: calc(var(--card-w) * .5);
  line-height: 1;
}
.card__court-suit {
  width: calc(var(--card-w) * .22);
  height: calc(var(--card-w) * .22);
  fill: currentColor;
}

/* Held: no transition, so it is on the pointer rather than chasing it. */
.card.is-dragging {
  cursor: grabbing;
  transition: none;
  filter: drop-shadow(0 12px 14px rgba(0, 0, 0, .45));
}

.cards.is-instant .card { transition: none !important; }

/* A card coming face up. `scale` is its own property on purpose: `transform`
   belongs to the renderer, which is writing a position into it. */
.card.is-turning { animation: turning .26s ease-out; }
@keyframes turning {
  0%   { scale: 0 1; }
  100% { scale: 1 1; }
}

.card.is-refused { animation: refuse .34s ease-out; }
@keyframes refuse {
  0%, 100% { margin-left: 0; }
  25%      { margin-left: -4px; }
  60%      { margin-left: 4px; }
}

.card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
}

.card.is-back::after { animation: back .6s ease-out; }
@keyframes back {
  0%   { box-shadow: 0 0 0 0 rgba(240, 228, 204, .85); }
  100% { box-shadow: 0 0 0 12px rgba(240, 228, 204, 0); }
}

/* A hint: the cards to move ringed in brass, the place they go ringed too.
   A steady ring to read and a pulse to find it with, as on the tile table. */
.card.is-hinted::before,
.card.is-target::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: 0 0 0 2px var(--brass), 0 0 14px rgba(199, 154, 69, .6);
}
.card.is-hinted::after { animation: hinted 1s ease-out 3; }
@keyframes hinted {
  0%   { box-shadow: 0 0 0 0 rgba(199, 154, 69, .95); }
  70%  { box-shadow: 0 0 0 9px rgba(199, 154, 69, 0); }
  100% { box-shadow: 0 0 0 9px rgba(199, 154, 69, 0); }
}

/* -------------------------------------------------------------- the note -- */

.note {
  margin: 0;
  min-height: 1.4em;
  font-size: 9px;
  letter-spacing: .2em;
  text-transform: uppercase;
  text-align: center;
  color: var(--parchment-3);
}
.note.is-saying { color: var(--brass); }

/* Deal again, asking to be sure, or offered because nothing else is left. */
.btn.is-armed { color: var(--ink); background: var(--crimson); border-color: var(--crimson); }
.btn.is-ready:not(:disabled) { color: var(--brass); border-color: var(--brass); }

/* ------------------------------------------------------------- console -- */

.console {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 20px;
  padding-top: 10px;
  border-top: 1px solid rgba(199, 154, 69, .16);
}

.counter { margin: 0; display: flex; align-items: baseline; gap: 10px; }
.counter__label {
  font-size: 10px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--parchment-3);
}
.counter b {
  font-family: 'Fraunces', Georgia, serif;
  font-variation-settings: 'wght' 600;
  font-size: 1.3rem;
  color: var(--parchment);
  font-variant-numeric: tabular-nums;
}
.counter__sub {
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--brass-2);
}

.actions { display: flex; gap: 6px; flex-wrap: wrap; margin-left: auto; }

.btn {
  font: inherit;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--parchment-2);
  background: rgba(255, 255, 255, .015);
  border: var(--shell);
  border-radius: 2px;
  padding: 9px 12px;
  cursor: pointer;
  transition: color .18s, background .18s, border-color .18s, transform .1s;
}
.btn:hover:not(:disabled) {
  color: var(--ink);
  background: var(--brass);
  border-color: var(--brass);
}
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: .3; cursor: default; }
.btn:focus-visible { outline: 2px solid var(--brass); outline-offset: 2px; }
.btn[aria-pressed='false'] { color: var(--parchment-3); border-style: dashed; }

/* --------------------------------------------------------------- howto -- */

.howto {
  width: 100%;
  font-size: 12px;
  line-height: 1.65;
  color: var(--parchment-2);
}
.howto summary {
  cursor: pointer;
  list-style: none;
  font-size: 10px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--parchment-3);
  padding: 4px 0;
  transition: color .2s;
}
.howto summary::-webkit-details-marker { display: none; }
.howto summary::before { content: '\FF0B\2002'; color: var(--brass-2); }
.howto[open] summary::before { content: '\FF0D\2002'; }
.howto summary:hover { color: var(--brass); }
.howto ul { margin: 10px 0; padding-left: 1.1em; }
.howto li { margin-bottom: 5px; }
.howto b { color: var(--parchment); font-weight: 500; }
.howto kbd {
  font: inherit;
  font-size: 11px;
  padding: 1px 5px;
  border: 1px solid rgba(199, 154, 69, .3);
  border-radius: 2px;
  color: var(--parchment);
}
.howto__note {
  color: var(--parchment-3);
  border-left: 1px solid var(--brass-2);
  padding-left: 12px;
  max-width: 62ch;
}

/* ----------------------------------------------------------------- win -- */

.win {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(10, 8, 5, .72);
  backdrop-filter: blur(7px) saturate(.8);
  -webkit-backdrop-filter: blur(7px) saturate(.8);
  animation: fade .4s ease both;
}
.win.is-instant { animation: none; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

.win__card {
  position: relative;
  width: min(400px, 100%);
  text-align: center;
  padding: 46px 30px 30px;
  color: #2A2117;
  border-radius: 3px;
  background:
    radial-gradient(120% 90% at 50% 0%, #FBF2DF 0%, #EFE1C4 60%, #E2D2B2 100%);
  box-shadow:
    0 30px 60px -20px rgba(0, 0, 0, .8),
    inset 0 0 0 1px rgba(255, 255, 255, .5),
    inset 0 0 0 6px rgba(63, 169, 122, .08);
  animation: rise .5s cubic-bezier(.25, 1.2, .4, 1) both;
}
.win.is-instant .win__card { animation: none; }
@keyframes rise {
  from { opacity: 0; transform: translateY(22px) scale(.96); }
  to   { opacity: 1; transform: none; }
}

/* The lost card is the same card with the green taken out of it. */
.win--lost .win__card {
  box-shadow:
    0 30px 60px -20px rgba(0, 0, 0, .8),
    inset 0 0 0 1px rgba(255, 255, 255, .5),
    inset 0 0 0 6px rgba(169, 52, 43, .1);
}

.seal {
  position: absolute;
  top: -26px;
  left: 50%;
  width: 62px;
  height: 62px;
  transform: translateX(-50%) rotate(-8deg);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: rgba(255, 226, 216, .78);
  font-size: 22px;
  background: radial-gradient(circle at 34% 28%, #C4463A, #8E2A22 62%, #6E1E18 100%);
  box-shadow:
    inset 0 -3px 8px rgba(0, 0, 0, .5),
    inset 0 3px 6px rgba(255, 255, 255, .25),
    0 8px 16px -6px rgba(0, 0, 0, .7);
  clip-path: polygon(
    50% 0%, 66% 6%, 82% 4%, 92% 18%, 100% 32%, 96% 50%, 100% 68%, 90% 82%,
    80% 96%, 62% 96%, 46% 100%, 30% 94%, 16% 90%, 8% 74%, 0% 56%, 4% 38%,
    2% 20%, 18% 10%, 34% 6%);
}
.seal--spent {
  color: rgba(240, 228, 204, .5);
  background: radial-gradient(circle at 34% 28%, #4A3E30, #2E2620 62%, #201A15 100%);
}

.win__card h2 {
  font-family: 'Fraunces', Georgia, serif;
  font-variation-settings: 'SOFT' 50, 'opsz' 140, 'wght' 700;
  font-size: 2.1rem;
  margin: 6px 0 4px;
  letter-spacing: -.01em;
}

.win__theme {
  margin: 0 0 16px;
  font-family: 'Fraunces', Georgia, serif;
  font-variation-settings: 'ital' 1, 'wght' 500;
  font-style: italic;
  font-size: 1.15rem;
  letter-spacing: .04em;
  color: #7A6244;
}

.win__line { margin: 0 0 22px; font-size: 12px; line-height: 1.8; color: #574734; }
.win__line b { color: #2A2117; font-weight: 600; }

.win__next {
  margin: 0 0 22px;
  padding: 12px 0;
  border-top: 1px solid rgba(42, 33, 23, .16);
  border-bottom: 1px solid rgba(42, 33, 23, .16);
}
.win__next-label {
  display: block;
  font-size: 9px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: #8A7458;
  margin-bottom: 6px;
}
.win__clock {
  font-size: 1.5rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: .06em;
  color: #2A2117;
}

.win__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.btn--ink {
  color: #574734;
  border-color: rgba(42, 33, 23, .3);
  background: transparent;
}
.btn--ink:hover:not(:disabled) {
  background: #2A2117;
  border-color: #2A2117;
  color: #EFE1C4;
}

/* -------------------------------------------------------------- motion -- */

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

/* --------------------------------------------------------------- small -- */

@media (max-width: 780px) {
  .page { padding-inline: 10px; }
  .topbar { flex-direction: column; align-items: stretch; gap: 8px; }
  .masthead { justify-content: center; gap: 4px 12px; }
  .stamp { justify-content: center; letter-spacing: .18em; }
  .stamp__rule { display: none; }

  .console { justify-content: center; }
  .actions { margin-left: 0; width: 100%; justify-content: center; }
}

/* ---------------------------------------------------------------- ledger -- */

/* The written half of the page: what the game is, and the way out to the
   others. Below the fold by design — the game gets the first screen. */
.ledger {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 20px calc(56px + env(safe-area-inset-bottom));
  display: grid;
  gap: 34px;
  border-top: 1px solid rgba(199, 154, 69, .16);
  font-size: 13px;
  line-height: 1.85;
  color: var(--parchment-2);
}

.ledger h2 {
  font-family: 'Fraunces', Georgia, serif;
  font-variation-settings: 'SOFT' 50, 'opsz' 90, 'wght' 600;
  font-weight: 600;
  font-size: 1.25rem;
  line-height: 1.2;
  margin: 0 0 14px;
  color: var(--parchment);
  letter-spacing: -.01em;
}

.ledger p { margin: 0 0 14px; }
.ledger p:last-child { margin-bottom: 0; }
.ledger strong { color: var(--parchment); font-weight: 500; }
.ledger em { color: var(--brass); font-style: italic; }

.ledger__more ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.ledger__more li {
  padding-left: 14px;
  border-left: 1px solid rgba(199, 154, 69, .22);
}
.ledger a {
  color: var(--brass);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.ledger a:hover { border-bottom-color: var(--brass); }
.ledger__home { margin-top: 18px; font-size: 11px; letter-spacing: .2em; text-transform: uppercase; }

.ledger__legal {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(199, 154, 69, .12);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.ledger__legal a { color: var(--parchment-3); }
.ledger__legal a:hover { color: var(--brass); }

@media (min-width: 760px) {
  .ledger { max-width: 940px; grid-template-columns: 1.7fr 1fr; gap: 48px; }
}