/* ==========================================================================
   Gebeta — stylesheet
   Layout, the board, and everything around it.
   ========================================================================== */

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

html {
  height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  overflow-x: hidden;
  overflow-y: auto;
}

body {
  background: var(--night);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

button, input { font: inherit; color: inherit; }
svg { width: 1.25em; height: 1.25em; display: block; }
a { color: var(--south); text-decoration-thickness: 1px; text-underline-offset: 3px; }

:focus-visible {
  outline: 2px solid var(--south);
  outline-offset: 3px;
  border-radius: 4px;
}

/* --- the room ----------------------------------------------------------- */

.lamp {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(80vw 60vh at 50% -8%, rgb(240 166 58 / 0.14), transparent 62%),
    radial-gradient(60vw 50vh at 50% 108%, rgb(124 134 240 / 0.09), transparent 60%);
}
.lamp::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.4;
  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='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.32'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}
[data-theme='day'] .lamp::after { opacity: 0.18; }

#app { position: relative; z-index: 1; min-height: 100dvh; }

/* Only the game locks to the viewport — the board has to fit without
   scrolling. Every other screen is free to grow and scroll. */
.screen--game.is-active { height: 100dvh; max-height: 100dvh; overflow: hidden; }

/* --- shared type -------------------------------------------------------- */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.5rem;
}
.panel__title, .sheet__title, .result__title {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 0.4rem;
  font-size: clamp(1.6rem, 3.6vw, 2.5rem);
}
.panel__note, .sheet__foot {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0.4rem 0 0;
}
.field-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

/* --- controls ----------------------------------------------------------- */

.primary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  border: 0;
  border-radius: var(--r-pill);
  background: linear-gradient(180deg, var(--south-soft), var(--south));
  color: #2a1704;
  font-weight: 800;
  letter-spacing: -0.01em;
  cursor: pointer;
  box-shadow: var(--lift-2), inset 0 1px 0 rgb(255 255 255 / 0.4);
  transition: transform var(--t-fast) var(--ease-out), filter var(--t-fast);
}
.primary-btn:hover { transform: translateY(-2px); filter: brightness(1.06); }
.primary-btn:active { transform: translateY(0); }
.primary-btn:disabled { opacity: 0.55; cursor: default; transform: none; }
.primary-btn--alt { background: linear-gradient(180deg, var(--north-soft), var(--north)); color: #0d0f2c; }

.ghost-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1rem;
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast);
}
.ghost-btn:hover { color: var(--text); border-color: var(--south); background: rgb(255 255 255 / 0.03); }

.icon-btn {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
}
.icon-btn:hover { background: var(--night-3); color: var(--text); }

.link-btn {
  border: 0;
  background: none;
  color: var(--muted);
  cursor: pointer;
  padding: 0.3rem;
  font-size: 0.9rem;
  text-decoration: underline;
  text-decoration-color: var(--line-2);
  text-underline-offset: 4px;
}
.link-btn:hover { color: var(--text); text-decoration-color: var(--south); }

.seg { display: inline-flex; padding: 3px; gap: 3px; background: var(--night-3); border-radius: var(--r-pill); }
.seg__btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 0.42rem 0.85rem;
  border-radius: var(--r-pill);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--t-fast), color var(--t-fast);
}
.seg__btn.is-on { background: var(--night); color: var(--text); box-shadow: var(--lift-1); }

.switch {
  width: 52px;
  height: 30px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-2);
  background: var(--night-3);
  cursor: pointer;
  padding: 3px;
  display: flex;
  transition: background var(--t-mid);
}
.switch span {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--muted);
  transition: transform var(--t-mid) var(--ease-bounce), background var(--t-mid);
}
.switch[aria-checked='true'] { background: var(--south-dim); border-color: var(--south); }
.switch[aria-checked='true'] span { transform: translateX(22px); background: var(--south); }

.input {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--r-md);
  border: 1px solid var(--line-2);
  background: var(--night);
  color: var(--text);
  transition: border-color var(--t-fast);
}
.input:focus { border-color: var(--south); outline: none; }
.input--code {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  letter-spacing: 0.35em;
  text-align: center;
  text-transform: uppercase;
  width: 8ch;
}
.field { display: grid; gap: 0.4rem; margin-bottom: 1.2rem; }

/* --- screens ------------------------------------------------------------ */

.screen { display: none; }
.screen.is-active { display: flex; flex-direction: column; min-height: 100dvh; }
.screen--setup { align-items: center; justify-content: center; padding: 6vh 4vw; }
.screen--setup.is-active, .screen--home.is-active { animation: rise var(--t-slow) var(--ease-out); }

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

/* --- home --------------------------------------------------------------- */

.screen--home { align-items: center; justify-content: center; position: relative; }

.home__demo {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  opacity: 0.16;
  filter: blur(1.5px) saturate(0.7);
  overflow: hidden;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(70% 60% at 50% 50%, #000 20%, transparent 75%);
  mask-image: radial-gradient(70% 60% at 50% 50%, #000 20%, transparent 75%);
}

.home__demo > .board { transform: scale(1.22); }

.home__inner {
  position: relative;
  z-index: 2;
  width: var(--shell);
  max-width: 900px;
  text-align: center;
  padding: 4vh 0;
}

.brand__mark { margin: 0; display: grid; gap: 0.2rem; justify-items: center; }
.brand__amharic {
  font-family: var(--font-ethiopic);
  font-weight: 700;
  font-size: clamp(4rem, 15vw, 9rem);
  line-height: 0.92;
  background: linear-gradient(180deg, #fff6e6 12%, var(--south) 130%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 18px 60px rgb(240 166 58 / 0.18);
}
[data-theme='day'] .brand__amharic { background: linear-gradient(180deg, #3a2410, var(--south) 150%); -webkit-background-clip: text; background-clip: text; }
.brand__latin {
  font-family: var(--font-mono);
  font-size: clamp(0.72rem, 1.6vw, 0.95rem);
  letter-spacing: 0.62em;
  text-transform: uppercase;
  color: var(--muted);
  padding-left: 0.62em;
}
.brand__line {
  margin: 1.1rem auto 0;
  max-width: 30ch;
  color: var(--text-2);
  font-size: clamp(0.95rem, 2vw, 1.1rem);
}

.modes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(10px, 1.4vw, 16px);
  margin: clamp(2rem, 5vh, 3.4rem) 0 1.6rem;
}
.mode {
  display: grid;
  gap: 0.35rem;
  justify-items: start;
  text-align: left;
  padding: 1.1rem 1.2rem 1.25rem;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--night-2), var(--night));
  cursor: pointer;
  transition: transform var(--t-mid) var(--ease-out), border-color var(--t-mid), box-shadow var(--t-mid);
}
.mode:hover { transform: translateY(-4px); border-color: var(--south); box-shadow: var(--lift-2), var(--lamp); }
.mode__name { font-family: var(--font-display); font-weight: 700; font-size: 1.12rem; letter-spacing: -0.02em; }
.mode__desc { color: var(--muted); font-size: 0.86rem; line-height: 1.4; }
.mode__pips { display: flex; gap: 5px; margin-bottom: 0.5rem; }
.mode__pips i {
  width: 13px;
  height: 13px;
  border-radius: 50% 48% 52% 50% / 50% 52% 48% 50%;
  background: radial-gradient(circle at 32% 28%, #fff8ea, var(--stone-2));
  transition: transform var(--t-mid) var(--ease-bounce);
}
.mode__pips i.is-cpu { background: radial-gradient(circle at 32% 28%, var(--south-soft), var(--south)); }
.mode__pips i.is-far { background: radial-gradient(circle at 32% 28%, var(--north-soft), var(--north)); }
.mode:hover .mode__pips i:first-child { transform: translate(9px, -4px) rotate(18deg); }
.mode:hover .mode__pips i:last-child { transform: translate(-9px, 3px) rotate(-12deg); }

.home__foot { display: flex; align-items: center; justify-content: center; gap: 0.4rem; color: var(--dim); }

/* --- setup panels ------------------------------------------------------- */

.panel {
  position: relative;
  width: min(640px, 92vw);
  padding: clamp(1.5rem, 4vw, 2.6rem);
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--night-2), var(--night));
  box-shadow: var(--lift-3);
}
.panel__back { position: absolute; top: 1rem; left: 1rem; padding: 0.4rem 0.8rem; font-size: 0.82rem; }
.panel .eyebrow { margin-top: 2rem; }
.panel__row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin: 1.4rem 0; }

.choice-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; margin-top: 1.6rem; }
.choice {
  display: grid;
  gap: 0.2rem;
  padding: 1.4rem 1rem;
  border-radius: var(--r-lg);
  border: 1px solid var(--line-2);
  background: var(--night);
  cursor: pointer;
  transition: transform var(--t-fast) var(--ease-out), border-color var(--t-fast);
}
.choice:hover { transform: translateY(-3px); }
.choice--south { border-bottom: 3px solid var(--south); }
.choice--north { border-bottom: 3px solid var(--north); }
.choice--south:hover { border-color: var(--south); }
.choice--north:hover { border-color: var(--north); }
.choice__tag { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; }
.choice__sub { color: var(--muted); font-size: 0.85rem; }

.levels { display: grid; gap: 0.6rem; margin-top: 1.4rem; }
.level {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.2rem 1rem;
  align-items: center;
  padding: 0.9rem 1.1rem;
  text-align: left;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--night);
  cursor: pointer;
  transition: border-color var(--t-fast), background var(--t-fast);
}
.level:hover { border-color: var(--line-2); }
.level.is-on { border-color: var(--south); background: rgb(240 166 58 / 0.07); }
.level__bars { display: flex; align-items: flex-end; gap: 3px; grid-row: span 2; height: 26px; }
.level__bars i { width: 5px; background: var(--south); border-radius: 2px; opacity: 0.85; }
.level__bars i:nth-child(1) { height: 30%; }
.level__bars i:nth-child(2) { height: 52%; }
.level__bars i:nth-child(3) { height: 76%; }
.level__bars i:nth-child(4) { height: 100%; }
.level__name { font-weight: 800; font-family: var(--font-display); }
.level__desc { color: var(--muted); font-size: 0.86rem; }

.online-split { display: grid; grid-template-columns: 1fr auto 1fr; gap: 1.2rem; align-items: center; margin-top: 0.6rem; }
.online-col { display: grid; gap: 0.5rem; }
.online-or { display: grid; place-items: center; color: var(--dim); font-family: var(--font-mono); font-size: 0.75rem; }
.online-or::before, .online-or::after { content: ''; width: 1px; height: 26px; background: var(--line); display: block; }
.join-row { display: flex; gap: 0.5rem; }
.join-row .primary-btn { flex: 1; }

.net-status { min-height: 1.4rem; margin: 1.2rem 0 0; font-size: 0.88rem; color: var(--muted); }
.net-status--bad { color: var(--bad); }
.net-status--good { color: var(--good); }
.net-status--wait { color: var(--warn); }

/* --- lobby -------------------------------------------------------------- */

.code-block { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.6rem; }
.code {
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 8vw, 3.6rem);
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--south);
  padding-left: 0.22em;
}
.seat-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.6rem; }
.seat {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.1rem 1rem;
  padding: 0.9rem 1.1rem;
  border-radius: var(--r-md);
  border: 1px dashed var(--line-2);
  background: var(--night);
}
.seat.is-filled { border-style: solid; }
.seat--south.is-filled { border-color: var(--south); }
.seat--north.is-filled { border-color: var(--north); }
.seat__row { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); grid-column: 1; }
.seat__name { font-weight: 700; grid-column: 1; }
.seat__state { grid-column: 2; grid-row: 1 / span 2; align-self: center; color: var(--muted); font-size: 0.82rem; }

/* --- game chrome -------------------------------------------------------- */

.screen--game { overflow: hidden; }
.stage { overflow: hidden; }
.hud {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: clamp(0.6rem, 1.6vh, 1rem) clamp(0.8rem, 3vw, 2rem);
}
.hud__center { text-align: center; min-width: 0; }
.hud__turn {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 2.4vw, 1.35rem);
  letter-spacing: -0.02em;
}
.hud__turn[data-seat='0'] { color: var(--south); }
.hud__turn[data-seat='1'] { color: var(--north); }
.hud__turn.is-thinking { opacity: 0.7; }
.hud__hint { margin: 0; font-size: 0.78rem; color: var(--muted); font-family: var(--font-mono); letter-spacing: 0.05em; min-height: 1.1em; }
.hud__tools { display: flex; gap: 0.2rem; }

.stage { flex: 1; display: grid; place-items: center; padding: 0 clamp(0.5rem, 2vw, 1.5rem); min-height: 0; }

.tray {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: clamp(0.5rem, 1.4vh, 0.9rem) clamp(0.8rem, 3vw, 2rem) clamp(0.8rem, 2vh, 1.2rem);
  min-height: 56px;
}
.tray__log { display: flex; gap: 0.4rem; overflow: hidden; flex: 1; mask-image: linear-gradient(90deg, #000 78%, transparent); }
.log-chip {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.6rem;
  border-radius: var(--r-pill);
  background: var(--night-2);
  border: 1px solid var(--line);
  font-size: 0.74rem;
  white-space: nowrap;
  animation: rise var(--t-mid) var(--ease-out);
}
.log-chip b { font-weight: 700; }
.log-chip span { color: var(--muted); font-family: var(--font-mono); font-size: 0.68rem; }
.log-chip em { font-style: normal; font-weight: 800; font-family: var(--font-mono); }
.log-chip--south { border-left: 3px solid var(--south); }
.log-chip--south em { color: var(--south); }
.log-chip--north { border-left: 3px solid var(--north); }
.log-chip--north em { color: var(--north); }
.log-chip__lap { color: var(--text-2) !important; }

.tray__emotes { display: flex; gap: 0.3rem; }
.emote {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--night-2);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  transition: transform var(--t-fast) var(--ease-bounce), border-color var(--t-fast);
}
.emote:hover { transform: translateY(-3px) scale(1.08); border-color: var(--south); }
.emote-pop {
  position: absolute;
  left: 50%;
  font-size: 2.4rem;
  pointer-events: none;
  z-index: 20;
  animation: emote 1.8s var(--ease-out) forwards;
}
.emote-pop--south { bottom: 12%; }
.emote-pop--north { top: 12%; }
@keyframes emote {
  0% { opacity: 0; transform: translate(-50%, 12px) scale(0.6); }
  18% { opacity: 1; transform: translate(-50%, 0) scale(1.15); }
  75% { opacity: 1; transform: translate(-50%, -18px) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -46px) scale(0.9); }
}

/* ==========================================================================
   THE BOARD
   ========================================================================== */

.board { position: relative; width: 100%; display: grid; place-items: center; }

.board__grid {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  align-items: center;
  gap: clamp(8px, 1.6vw, 22px);
}

.field { grid-column: 2; grid-row: 1 / span 2; }

.field__wood {
  position: relative;
  padding: clamp(12px, 2vw, 26px);
  border-radius: var(--r-xl);
  background:
    repeating-linear-gradient(92deg, rgb(0 0 0 / 0.07) 0 2px, transparent 2px 9px),
    linear-gradient(178deg, var(--wood-lit) 0%, var(--wood) 26%, var(--wood-deep) 76%, var(--wood-edge) 100%);
  box-shadow:
    inset 0 2px 0 rgb(255 255 255 / 0.18),
    inset 0 -20px 42px rgb(0 0 0 / 0.45),
    var(--lift-3);
}
/* tibeb: a woven diamond thread inlaid along the rim */
.field__wood::before {
  content: '';
  position: absolute;
  inset: 5px;
  border-radius: calc(var(--r-xl) - 4px);
  padding: 4px;
  background:
    repeating-linear-gradient(45deg, var(--south) 0 3px, transparent 3px 8px),
    repeating-linear-gradient(-45deg, var(--good) 0 3px, transparent 3px 8px);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  opacity: 0.28;
  pointer-events: none;
}

.row { display: flex; gap: var(--gap); }
.field__flow {
  position: relative;
  height: clamp(14px, 2.2vw, 26px);
  margin: clamp(4px, 0.8vw, 10px) 0;
}
.flow__arrow {
  position: absolute;
  top: 50%;
  height: 2px;
  width: 42%;
  background: linear-gradient(90deg, transparent, rgb(255 255 255 / 0.16));
  border-radius: 2px;
}
.flow__arrow--n { left: 4%; background: linear-gradient(90deg, rgb(124 134 240 / 0.4), transparent); }
.flow__arrow--s { right: 4%; background: linear-gradient(90deg, transparent, rgb(240 166 58 / 0.4)); }
.flow__arrow::after {
  content: '';
  position: absolute;
  top: -3px;
  width: 8px;
  height: 8px;
  border-top: 2px solid;
  border-right: 2px solid;
}
.flow__arrow--s::after { right: 0; color: rgb(240 166 58 / 0.5); transform: rotate(45deg); }
.flow__arrow--n::after { left: 0; color: rgb(124 134 240 / 0.5); transform: rotate(-135deg); }

/* --- pits --------------------------------------------------------------- */

.pit {
  position: relative;
  width: var(--pit-size);
  height: var(--pit-size);
  padding: 0;
  border: 0;
  background: none;
  border-radius: 50%;
  cursor: default;
  transition: transform var(--t-fast) var(--ease-out);
}
.pit__well {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 34%, var(--pit) 34%, #150a04 100%);
  box-shadow:
    inset 0 7px 14px rgb(0 0 0 / 0.75),
    inset 0 -4px 6px rgb(255 255 255 / 0.05),
    0 1px 0 rgb(255 255 255 / 0.14);
  overflow: hidden;
}
/* rim: dashed while the pit is closed, carved and bright once opened */
.pit::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px dashed rgb(255 255 255 / 0.16);
  transition: border-color var(--t-mid), opacity var(--t-mid), transform var(--t-mid);
  pointer-events: none;
}
.pit.is-open::after {
  border-style: solid;
  border-color: rgb(255 236 200 / 0.32);
  box-shadow: 0 0 0 1px rgb(0 0 0 / 0.35);
}
.pit.is-opening::after { animation: open-ring 620ms var(--ease-out); }
@keyframes open-ring {
  0% { transform: scale(1); border-color: var(--south); }
  50% { transform: scale(1.14); border-color: var(--south); }
  100% { transform: scale(1); }
}

.pit__count {
  position: absolute;
  left: 50%;
  bottom: 3%;
  transform: translateX(-50%);
  z-index: 3;
  min-width: 20px;
  padding: 0 5px;
  border-radius: var(--r-pill);
  background: rgb(10 5 2 / 0.72);
  color: var(--stone-2);
  font-family: var(--font-mono);
  font-size: clamp(0.6rem, 1.5vw, 0.75rem);
  line-height: 1.5;
  pointer-events: none;
  backdrop-filter: blur(2px);
}
.pit.is-empty .pit__count { opacity: 0.4; }
.pit.is-over .pit__count { color: var(--south); }

.pit.is-playable { cursor: pointer; }
.pit.is-playable .pit__well { box-shadow: inset 0 7px 14px rgb(0 0 0 / 0.7), 0 0 0 2px var(--seat-color, var(--south)), 0 0 22px -4px var(--seat-color, var(--south)); }
.pit--south { --seat-color: var(--south); }
.pit--north { --seat-color: var(--north); }
.pit.is-playable:hover { transform: translateY(-3px); }
.board.turn-south .row--south, .board.turn-north .row--north { position: relative; }

.pit.is-hit .pit__well { animation: thud 320ms var(--ease-out); }
@keyframes thud {
  0% { transform: scale(1); }
  35% { transform: scale(0.955); }
  100% { transform: scale(1); }
}
.pit.is-taken::after { animation: taken 460ms var(--ease-out); }
@keyframes taken {
  0% { border-color: var(--south); transform: scale(1); }
  40% { border-color: #fff2d6; transform: scale(1.22); }
  100% { transform: scale(1); }
}
.pit.is-relay::after { animation: open-ring 480ms var(--ease-out); }
.pit.is-hinted::after { border-color: var(--good); animation: open-ring 900ms var(--ease-out) 2; }

/* --- stones ------------------------------------------------------------- */

.stone {
  position: absolute;
  left: var(--x, 50%);
  top: var(--y, 50%);
  width: 26%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%) rotate(var(--r, 0deg)) scaleY(var(--sq, 1));
  border-radius: 50% 47% 53% 50% / 50% 53% 47% 50%;
  background: radial-gradient(circle at 33% 27%, #fffaf0 4%, var(--tone-color, var(--stone)) 52%, #a6957c 100%);
  box-shadow: 0 2px 3px rgb(0 0 0 / 0.55), inset 0 -2px 3px rgb(0 0 0 / 0.16);
  animation: stone-in 260ms var(--ease-bounce);
}
.stone[data-tone='1'] { --tone-color: var(--stone-2); }
.stone[data-tone='2'] { --tone-color: var(--stone-3); }
.pit.is-full .stone { width: 21%; }
@keyframes stone-in {
  from { transform: translate(-50%, -80%) rotate(var(--r, 0deg)) scale(0.5); opacity: 0; }
  to { transform: translate(-50%, -50%) rotate(var(--r, 0deg)) scaleY(var(--sq, 1)); opacity: 1; }
}

/* --- baskets ------------------------------------------------------------ */

.basket {
  display: grid;
  justify-items: center;
  gap: 0.35rem;
  --seat-color: var(--south);
  transition: opacity var(--t-mid);
}
.basket--south { grid-column: 3; grid-row: 2; --seat-color: var(--south); }
.basket--north { grid-column: 1; grid-row: 1; --seat-color: var(--north); }
.basket:not(.is-active) { opacity: 0.72; }

.basket__name {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted);
  max-width: 15ch;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.basket.is-active .basket__name { color: var(--seat-color); }

.basket__vessel {
  position: relative;
  width: calc(var(--pit-size) * 1.6);
  height: calc(var(--pit-size) * 1.45);
  overflow: hidden;
  border-radius: 10px 10px 44% 44% / 8px 8px 34% 34%;
  background:
    repeating-linear-gradient(90deg, rgb(0 0 0 / 0.16) 0 3px, transparent 3px 8px),
    repeating-linear-gradient(0deg, rgb(255 255 255 / 0.06) 0 2px, transparent 2px 7px),
    linear-gradient(180deg, #7a5330, #4b3020 70%, #352115);
  box-shadow: inset 0 8px 18px rgb(0 0 0 / 0.55), var(--lift-2);
  border-top: 3px solid var(--seat-color);
}
.basket__vessel::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: calc(var(--fill, 0) * 100%);
  background: linear-gradient(transparent, color-mix(in srgb, var(--seat-color) 22%, transparent));
  transition: height var(--t-slow) var(--ease-out);
  pointer-events: none;
}
.basket__pile { position: absolute; inset: 0; }
.basket__pile .stone { width: 11%; animation: stone-in 300ms var(--ease-bounce); }

.basket__score {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.1rem, 3vw, 1.7rem);
  color: var(--seat-color);
  font-variant-numeric: tabular-nums;
}
.basket.is-bump .basket__vessel { animation: bump 340ms var(--ease-bounce); }
@keyframes bump {
  0% { transform: scale(1); }
  40% { transform: scale(1.05, 0.96); }
  100% { transform: scale(1); }
}

/* --- flying stones and sparks ------------------------------------------- */

.fx { position: absolute; inset: 0; pointer-events: none; z-index: 8; }
.stone--fly {
  position: absolute;
  width: calc(var(--pit-size) * 0.25);
  height: calc(var(--pit-size) * 0.25);
  left: 0;
  top: 0;
  transform: translate(-50%, -50%);
  animation: none;
  z-index: 9;
  filter: drop-shadow(0 6px 6px rgb(0 0 0 / 0.5));
}
.spark {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: var(--south-soft);
  box-shadow: 0 0 12px var(--south);
}
.spark--gold { background: #fff0cf; }

.board--static .pit { cursor: default; }
.board--static .pit__count, .board--static .basket__score, .board--static .basket__name { display: none; }

/* ==========================================================================
   OVERLAYS
   ========================================================================== */

.overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  /* `display` must lose to [hidden]: a class beats the UA rule, which would
     leave an invisible full-screen layer over the page eating every click. */
  display: none;
  place-items: center;
  padding: 4vh 4vw;
  background: rgb(8 5 12 / 0.72);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity var(--t-mid);
  overflow-y: auto;
}
.overlay:not([hidden]) { display: grid; }
.overlay.is-open { opacity: 1; }
/* Belt and braces: nothing catches a pointer until it has actually opened. */
.overlay { pointer-events: none; }
.overlay.is-open { pointer-events: auto; }
.overlay > * { transform: translateY(16px) scale(0.98); transition: transform var(--t-slow) var(--ease-out); }
.overlay.is-open > * { transform: none; }

.result-card, .sheet {
  position: relative;
  width: min(560px, 94vw);
  padding: clamp(1.6rem, 4vw, 2.6rem);
  border-radius: var(--r-xl);
  border: 1px solid var(--line-2);
  background: linear-gradient(180deg, var(--night-2), var(--night));
  box-shadow: var(--lift-3), var(--lamp);
}
.result-card { text-align: center; }
.sheet { width: min(660px, 94vw); max-height: 92vh; overflow-y: auto; }
.sheet--narrow { width: min(520px, 94vw); }
.sheet__close { position: absolute; top: 0.9rem; right: 0.9rem; }

.result__score { display: flex; align-items: center; justify-content: center; gap: 1.2rem; margin: 1.4rem 0; }
.rs { display: grid; justify-items: center; opacity: 0.6; }
.rs.is-top { opacity: 1; }
.rs b { font-family: var(--font-mono); font-size: clamp(2.4rem, 9vw, 3.6rem); font-weight: 700; line-height: 1; }
.rs i { font-style: normal; font-size: 0.75rem; color: var(--muted); max-width: 14ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rs--south b { color: var(--south); }
.rs--north b { color: var(--north); }
.rs__v { color: var(--dim); font-size: 1.4rem; }
.result__note { color: var(--text-2); margin: 0 0 1.6rem; }
.result__actions { display: flex; gap: 0.6rem; justify-content: center; flex-wrap: wrap; }

.rule { display: grid; grid-template-columns: auto 1fr; gap: 0.4rem 1rem; margin: 1.5rem 0; }
.rule__n {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--south);
  color: var(--south);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.rule h3 { margin: 0.3rem 0 0.3rem; font-family: var(--font-display); font-size: 1.05rem; letter-spacing: -0.02em; }
.rule p { margin: 0; color: var(--text-2); font-size: 0.92rem; }
.legend { display: flex; gap: 1.2rem; margin-top: 0.7rem; }
.legend__item { display: flex; align-items: center; gap: 0.45rem; font-size: 0.8rem; color: var(--muted); }
.legend__pit {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 34%, var(--pit), #150a04);
  box-shadow: inset 0 4px 8px rgb(0 0 0 / 0.7);
}
.legend__pit.is-closed { outline: 2px dashed rgb(255 255 255 / 0.22); outline-offset: 2px; }
.legend__pit.is-open { outline: 2px solid rgb(255 236 200 / 0.4); outline-offset: 2px; }

.set-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}
.set-row__name { display: block; font-weight: 700; }
.set-row__desc { display: block; color: var(--muted); font-size: 0.82rem; }

/* --- toasts ------------------------------------------------------------- */

.toasts { position: fixed; left: 50%; bottom: 4vh; transform: translateX(-50%); z-index: 90; display: grid; gap: 0.5rem; justify-items: center; pointer-events: none; }
.toast {
  padding: 0.6rem 1.1rem;
  border-radius: var(--r-pill);
  background: rgb(14 9 18 / 0.94);
  border: 1px solid var(--line-2);
  font-size: 0.88rem;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--t-mid), transform var(--t-mid) var(--ease-out);
  box-shadow: var(--lift-2);
}
.toast.is-in { opacity: 1; transform: none; }
.toast--good { border-color: var(--good); color: #d8f7e8; }
.toast--bad { border-color: var(--bad); color: #ffd9d4; }

.boot-warn {
  position: fixed;
  left: 50%;
  bottom: 3vh;
  transform: translateX(-50%);
  z-index: 100;
  width: min(560px, 92vw);
  padding: 1rem 1.2rem;
  border-radius: var(--r-md);
  border: 1px solid var(--bad);
  background: rgb(20 10 12 / 0.96);
  font-size: 0.9rem;
}
.boot-warn code { font-family: var(--font-mono); font-size: 0.85em; color: var(--south); }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 900px) {
  .modes { grid-template-columns: 1fr; text-align: left; }
  .online-split { grid-template-columns: 1fr; }
  .online-or { flex-direction: row; }
  .online-or::before, .online-or::after { width: 40px; height: 1px; }
}

@media (max-width: 820px) {
  :root { --pit-size: clamp(42px, 12.4vw, 92px); }
  .board__grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    justify-items: center;
    gap: 10px;
  }
  .field { grid-column: 1; grid-row: 2; }
  .basket--north { grid-column: 1; grid-row: 1; }
  .basket--south { grid-column: 1; grid-row: 3; }
  .basket {
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 0.6rem;
    width: min(420px, 88vw);
  }
  .basket__vessel { width: 100%; height: 46px; grid-column: 2; border-radius: 6px 6px 18px 18px; }
  .basket__pile .stone { width: 4.4%; }
  .basket__name { grid-column: 1; }
  .basket__score { grid-column: 3; }
  .tray { flex-direction: column-reverse; gap: 0.5rem; }
  .tray__log { width: 100%; }
}

@media (max-width: 520px) {
  .hud { grid-template-columns: 36px 1fr auto; gap: 0.4rem; }
  .hud__tools .icon-btn { width: 34px; height: 34px; }
  .choice-row { grid-template-columns: 1fr; }
  .result__actions { flex-direction: column; }
  .result__actions > * { width: 100%; }
}

@media (max-height: 620px) and (min-width: 821px) {
  :root { --pit-size: min(clamp(40px, 7.5vw, 78px), 11vh); }
  .tray { display: none; }
}

/* ==========================================================================
   MOTION AND CONTRAST PREFERENCES
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .home__demo { display: none; }
}

@media (prefers-contrast: more) {
  .pit::after { border-width: 3px; }
  .mode, .level, .panel { border-color: var(--text-2); }
}

/* --- optional connection settings ---------------------------------------- */

.advanced { margin-top: 1.4rem; border-top: 1px solid var(--line); padding-top: 0.9rem; }
.advanced summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.advanced summary:hover { color: var(--text); }
.advanced[open] summary { margin-bottom: 0.9rem; }
.hint-line { margin: 0 0 0.9rem; font-size: 0.86rem; color: var(--text-2); }