/* oware.akuadora.net - a carved wooden Oware board */
:root {
  --bg: #1f140c;
  --bg2: #2c1d12;
  --ink: #f6ead8;
  --muted: #cdb9a0;
  --accent: #e9a948;
  --accent-ink: #2a1708;
  --card: rgba(255, 240, 220, 0.06);
  --card-line: rgba(255, 225, 190, 0.14);
  --danger: #ff8a73;
  --pit: clamp(26px, calc((100vw - 48px) / 11.9), 88px);
  --gap: calc(var(--pit) * 0.16);
  --kente: repeating-linear-gradient(90deg, #e2a522 0 22px, #0f6a35 22px 28px, #e2a522 28px 32px, #b0261c 32px 44px, #141414 44px 48px, #b0261c 48px 60px, #e2a522 60px 64px, #0f6a35 64px 70px, #e2a522 70px 92px, #141414 92px 96px);
  --wood-grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='900' height='360'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.0035 0.11' numOctaves='4' seed='11'/%3E%3CfeColorMatrix values='0 0 0 0 0.24 0 0 0 0 0.11 0 0 0 0 0.03 0 0 0 1.6 -0.55'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E");
  --wood-fine: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='200'%3E%3Cfilter id='f'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.02 0.9' numOctaves='2' seed='3'/%3E%3CfeColorMatrix values='0 0 0 0 0.3 0 0 0 0 0.15 0 0 0 0 0.05 0 0 0 0.9 -0.3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23f)'/%3E%3C/svg%3E");
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  min-height: 100vh;
  display: flex; flex-direction: column;
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(233, 169, 72, 0.16), transparent 70%),
    repeating-linear-gradient(45deg, rgba(255,255,255,0.012) 0 2px, transparent 2px 9px),
    linear-gradient(180deg, var(--bg2), var(--bg));
  color: var(--ink);
  font: 16px/1.5 "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }
a { color: var(--accent); }
button { font: inherit; cursor: pointer; }
h1, h2 { font-weight: 600; letter-spacing: 0.01em; line-height: 1.2; }
h1 { font-size: clamp(1.7rem, 4.5vw, 2.6rem); margin: 0 0 0.4em; }
h2 { font-size: 1.25rem; margin: 0 0 0.7em; }
.muted { color: var(--muted); }
.small { font-size: 0.88rem; }

/* header and footer */
.top {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px clamp(16px, 4vw, 40px);
}
.brand { display: flex; align-items: center; gap: 10px; font-size: 1.35rem; font-weight: 600; letter-spacing: 0.04em; }
.brand-mark { width: 28px; height: 28px; fill: none; stroke: var(--accent); stroke-width: 3.2; }
/* a kente band along the top of the page */
body::before {
  content: ""; display: block; height: 9px; flex: none;
  background:
    repeating-linear-gradient(0deg, rgba(0,0,0,0) 0 3px, rgba(0,0,0,0.25) 3px 4px),
    var(--kente);
}
.top-actions { display: flex; align-items: center; gap: 14px; font-size: 0.95rem; }
.who { color: var(--muted); }
.link { background: none; border: 0; color: var(--accent); padding: 4px 2px; text-decoration: underline; text-underline-offset: 3px; }
.foot { text-align: center; padding: 22px 16px 26px; font-size: 0.85rem; color: var(--muted); }
.foot a { color: var(--muted); }

main { flex: 1; width: 100%; max-width: 1080px; margin: 0 auto; padding: 8px clamp(16px, 4vw, 40px) 24px; }

/* cards and controls */
.card {
  background: var(--card);
  border: 1px solid var(--card-line);
  border-radius: 18px;
  padding: clamp(18px, 3vw, 26px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(4px);
}
.primary, .secondary {
  border-radius: 999px; padding: 11px 24px; font-weight: 600; letter-spacing: 0.02em;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}
.primary {
  border: 0; color: var(--accent-ink);
  background: linear-gradient(180deg, #f6c46d, #dd9535);
  box-shadow: 0 6px 16px rgba(221, 149, 53, 0.35), inset 0 1px 0 rgba(255,255,255,0.5);
}
.primary:hover { transform: translateY(-1px); box-shadow: 0 9px 20px rgba(221, 149, 53, 0.45), inset 0 1px 0 rgba(255,255,255,0.5); }
.primary:disabled { opacity: 0.6; cursor: default; transform: none; }
.secondary { background: transparent; color: var(--ink); border: 1px solid var(--card-line); }
.secondary:hover { background: rgba(255, 240, 220, 0.08); }
button:focus-visible, input:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

label { display: block; font-size: 0.92rem; color: var(--muted); margin-bottom: 14px; }
input[type=text], input:not([type]), input[type=password] {
  display: block; width: 100%; margin-top: 6px;
  padding: 11px 14px; border-radius: 12px;
  border: 1px solid var(--card-line); background: rgba(0, 0, 0, 0.25); color: var(--ink);
  font: inherit;
}
fieldset { border: 0; padding: 0; margin: 0 0 16px; }
legend { font-size: 0.92rem; color: var(--muted); margin-bottom: 6px; }
.seg { display: inline-flex; border: 1px solid var(--card-line); border-radius: 999px; padding: 3px; background: rgba(0,0,0,0.2); flex-wrap: wrap; }
.seg label { margin: 0; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg span { display: block; padding: 6px 14px; border-radius: 999px; color: var(--ink); cursor: pointer; font-size: 0.95rem; }
.seg input:checked + span { background: linear-gradient(180deg, #8a5326, #6b3c18); box-shadow: inset 0 1px 0 rgba(255,220,170,0.25); }
.seg input:focus-visible + span { outline: 3px solid var(--accent); }

/* auth */
#viewAuth { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(20px, 5vw, 60px); align-items: center; padding-top: clamp(8px, 5vh, 60px); }
.intro p { color: var(--muted); font-size: 1.08rem; max-width: 34em; }
.tabs { display: flex; gap: 6px; margin-bottom: 18px; }
.tabs button { flex: 1; background: none; border: 0; border-bottom: 2px solid transparent; color: var(--muted); padding: 8px 4px; }
.tabs button[aria-selected=true] { color: var(--ink); border-bottom-color: var(--accent); }
.hint { color: var(--muted); font-size: 0.9rem; margin: 0 0 6px; min-height: 1.4em; }
.error { color: var(--danger); font-size: 0.92rem; margin: 0 0 12px; min-height: 1.4em; }
.auth .primary { width: 100%; }

/* lobby */
.greet { margin-top: 6px; }
.choices, .lower { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.choice { display: flex; flex-direction: column; }
.choice .primary { margin-top: auto; align-self: flex-start; }
.record { width: 100%; border-collapse: collapse; font-size: 0.97rem; }
.record th, .record td { padding: 6px 4px; text-align: right; border-bottom: 1px solid var(--card-line); }
.record th:first-child, .record tbody th { text-align: left; font-weight: normal; color: var(--muted); }
.record td { font-variant-numeric: tabular-nums; }
.leaders { margin: 0; padding-left: 1.4em; }
.leaders li { padding: 3px 0; }
.leaders b { float: right; font-weight: normal; color: var(--muted); font-variant-numeric: tabular-nums; }
.rules summary { cursor: pointer; font-size: 1.1rem; font-weight: 600; }
.rules ul { color: var(--muted); padding-left: 1.2em; }
.rules li { margin: 6px 0; }

/* waiting */
#viewWaiting { display: grid; place-items: center; padding-top: 8vh; }
.waiting { text-align: center; max-width: 420px; }
.spinner { display: flex; gap: 10px; justify-content: center; margin-bottom: 18px; }
.spinner i { width: 16px; height: 13px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #f3eee3, #b7ae9d 50%, #6c665c); animation: hop 1.2s ease-in-out infinite; }
.spinner i:nth-child(2) { animation-delay: 0.15s; }
.spinner i:nth-child(3) { animation-delay: 0.3s; }
.spinner i:nth-child(4) { animation-delay: 0.45s; }
@keyframes hop { 0%, 60%, 100% { transform: translateY(0); } 30% { transform: translateY(-12px); } }

/* game: players */
#viewGame { position: relative; display: flex; flex-direction: column; align-items: center; }
.player {
  display: flex; align-items: center; gap: 10px; width: 100%; max-width: calc(var(--pit) * 11.5);
  padding: 8px 14px; border-radius: 12px; font-size: 1.05rem;
}
.player .pname { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.player .captured { margin-left: auto; color: var(--muted); white-space: nowrap; }
.player .captured b { color: var(--ink); font-size: 1.2em; font-variant-numeric: tabular-nums; }
.player .clock { color: var(--muted); font-variant-numeric: tabular-nums; font-size: 0.92rem; }
.player .clock.low { color: var(--danger); }
.player .dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.15); transition: background 0.2s, box-shadow 0.2s; flex: none; }
.player.turn .dot { background: var(--accent); box-shadow: 0 0 0 4px rgba(233,169,72,0.22), 0 0 14px rgba(233,169,72,0.7); }
.player.turn { background: rgba(233, 169, 72, 0.08); }
.status { min-height: 1.5em; margin: 6px 0 4px; color: var(--muted); text-align: center; font-size: 1.05rem; }
.status.yours { color: var(--ink); }
.game-actions { margin-top: 4px; }

/* game: the board */
.board-wrap { position: relative; margin: 14px 0 calc(var(--pit) * 0.75 + 16px); perspective: 1400px; max-width: 100%; }
.board {
  position: relative;
  display: grid;
  grid-template-columns: calc(var(--pit) * 0.55) calc(var(--pit) * 1.3) repeat(6, var(--pit)) calc(var(--pit) * 1.3) calc(var(--pit) * 0.55);
  grid-template-rows: var(--pit) var(--pit);
  column-gap: var(--gap); row-gap: calc(var(--gap) * 1.7);
  padding: calc(var(--pit) * 0.5) calc(var(--pit) * 0.18) calc(var(--pit) * 0.56);
  border-radius: calc(var(--pit) * 0.62);
  background:
    linear-gradient(180deg, rgba(255, 214, 160, 0.20), rgba(255, 214, 160, 0) 22%, rgba(0,0,0,0) 70%, rgba(0, 0, 0, 0.28)),
    var(--wood-fine),
    var(--wood-grain),
    linear-gradient(100deg, #9c5e2c, #87491f 35%, #985a2a 60%, #7a421c);
  background-size: 100% 100%, 400px 200px, 100% 100%, 100% 100%;
  box-shadow:
    0 2px 0 #5c3415,
    0 6px 0 #4a2a10,
    0 10px 0 #3a200b,
    0 28px 50px rgba(0, 0, 0, 0.55),
    inset 0 2px 1px rgba(255, 230, 190, 0.45),
    inset 0 -3px 6px rgba(0, 0, 0, 0.35);
  transform: rotateX(8deg);
  transform-origin: 50% 70%;
}
/* a carved groove between the rows */
.board::before {
  content: ""; position: absolute; left: calc(var(--pit) * 2.3); right: calc(var(--pit) * 2.3); top: 50%; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(60, 30, 10, 0.55) 10%, rgba(60, 30, 10, 0.55) 90%, transparent);
  box-shadow: 0 1px 0 rgba(255, 220, 170, 0.22);
  transform: translateY(calc(var(--gap) * 0.1));
}
.row { display: contents; }
.row-opp .pit { grid-row: 1; }
.row-you .pit { grid-row: 2; }
.store-opp { grid-column: 2; grid-row: 1 / span 2; }
.store-you { grid-column: 9; grid-row: 1 / span 2; }

/* carved handles with an Adinkrahene ("chief of the adinkra symbols") burnt in */
.end { grid-row: 1 / span 2; display: grid; place-items: center; }
.end-l { grid-column: 1; }
.end-r { grid-column: 10; }
.adinkra {
  width: calc(var(--pit) * 0.46); height: calc(var(--pit) * 0.46);
  fill: none; stroke: rgba(48, 20, 4, 0.78); stroke-width: 3.4;
  filter: drop-shadow(0 1px 0 rgba(255, 222, 175, 0.35));
}
/* zigzag friezes carved along the long edges, as on Ghanaian boards */
.carve {
  position: absolute; left: calc(var(--pit) * 0.9); right: calc(var(--pit) * 0.9);
  height: calc(var(--pit) * 0.17);
  --tri: calc(var(--pit) * 0.17);
  background:
    linear-gradient(135deg, rgba(55, 24, 6, 0.62) 25%, transparent 25%) 0 0 / calc(var(--tri) * 2) var(--tri),
    linear-gradient(225deg, rgba(55, 24, 6, 0.62) 25%, transparent 25%) 0 0 / calc(var(--tri) * 2) var(--tri),
    linear-gradient(315deg, rgba(255, 220, 170, 0.16) 25%, transparent 25%) 0 0 / calc(var(--tri) * 2) var(--tri),
    linear-gradient(45deg, rgba(255, 220, 170, 0.16) 25%, transparent 25%) 0 0 / calc(var(--tri) * 2) var(--tri);
  opacity: 0.9;
}
.carve-top { top: calc(var(--pit) * 0.13); }
.carve-bot { bottom: calc(var(--pit) * 0.15); transform: scaleY(-1); }

/* the board rests on a kente cloth */
.mat {
  position: absolute; left: calc(var(--pit) * -0.35); right: calc(var(--pit) * -0.35);
  top: 16%; bottom: -12%;
  border-radius: 6px;
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,0.05) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(0deg, rgba(0,0,0,0) 0 26px, rgba(0,0,0,0.32) 26px 28px, rgba(0,0,0,0) 28px 54px, rgba(20,20,20,0.55) 54px 60px),
    linear-gradient(90deg, rgba(0,0,0,0) 0 31%, rgba(10,10,10,0.18) 31% 69%, rgba(0,0,0,0) 69%),
    var(--kente);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}
.mat::after {   /* fringe */
  content: ""; position: absolute; left: 0; right: 0; bottom: -9px; height: 9px;
  background: repeating-linear-gradient(90deg, #e2a522 0 2px, transparent 2px 5px);
  opacity: 0.8;
}

.pit, .store {
  position: relative;
  border-radius: 50%;
  border: 0; padding: 0; margin: 0; color: inherit;
  background:
    radial-gradient(circle at 50% 38%, rgba(30, 14, 4, 0.0) 30%, rgba(30, 14, 4, 0.35) 75%),
    var(--wood-grain),
    radial-gradient(circle at 50% 45%, #6d3d18, #7f4a1f 60%, #8f5626);
  background-size: 100% 100%, 900px 360px, 100% 100%;
  box-shadow:
    inset 0 calc(var(--pit) * 0.1) calc(var(--pit) * 0.16) rgba(20, 8, 0, 0.75),
    inset 0 calc(var(--pit) * -0.03) calc(var(--pit) * 0.05) rgba(255, 210, 150, 0.25),
    0 1px 0 rgba(255, 228, 185, 0.4),
    0 -1px 0 rgba(40, 18, 4, 0.5);
}
.store { border-radius: calc(var(--pit) * 0.62); }
.pit { cursor: default; transition: box-shadow 0.2s ease, transform 0.2s ease; }
.pit.legal { cursor: pointer; }
.pit.legal::after {
  content: ""; position: absolute; inset: -4px; border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(246, 196, 109, 0.55), 0 0 18px rgba(246, 196, 109, 0.35);
  opacity: 0.75; transition: opacity 0.2s;
  pointer-events: none;
}
.pit.legal:hover::after, .pit.legal:focus-visible::after { opacity: 1; box-shadow: 0 0 0 3px rgba(246, 196, 109, 0.9), 0 0 26px rgba(246, 196, 109, 0.55); }
.pit.legal:focus-visible { outline: none; }
.pit.source { transform: scale(0.97); }
.pit.lastdrop::before {
  content: ""; position: absolute; inset: 8%; border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(255, 236, 200, 0.28);
  pointer-events: none;
}
.pit.capture { animation: glow 0.7s ease; }
@keyframes glow { 50% { box-shadow: inset 0 0 0 3px rgba(255, 196, 92, 0.9), 0 0 24px rgba(255, 196, 92, 0.7); } }

.seeds { position: absolute; inset: 0; pointer-events: none; }
.count {
  position: absolute; left: 50%; transform: translateX(-50%);
  font: 600 clamp(11px, 1.6vw, 15px)/1 system-ui, -apple-system, "Segoe UI", sans-serif;
  color: #fbe9cf; background: rgba(35, 17, 5, 0.6); border-radius: 999px; padding: 3px 7px;
  min-width: 1.9em; text-align: center; font-variant-numeric: tabular-nums;
  pointer-events: none; transition: transform 0.15s;
}
.row-you .count { bottom: calc(var(--pit) * -0.27); }
.row-opp .count { top: calc(var(--pit) * -0.27); }
.store .count { bottom: calc(var(--pit) * -0.27); }
.count.bump { transform: translateX(-50%) scale(1.25); }

/* seeds: grey-cream nicker nuts, as on real boards */
.seed {
  position: absolute; width: calc(var(--pit) * 0.26); height: calc(var(--pit) * 0.22);
  margin: calc(var(--pit) * -0.11) 0 0 calc(var(--pit) * -0.13);
  border-radius: 50% 50% 48% 52% / 55% 55% 45% 45%;
  background: radial-gradient(circle at 34% 28%, #fbf7ee 0 8%, #d8d1c2 30%, #9d968a 70%, #6c665e 100%);
  box-shadow: 0 calc(var(--pit) * 0.025) calc(var(--pit) * 0.03) rgba(15, 6, 0, 0.6), inset 0 -1px 2px rgba(60, 50, 40, 0.5);
}
.seed.t1 { background: radial-gradient(circle at 34% 28%, #fffaf0 0 8%, #e2d9c5 30%, #a89f8d 70%, #746b5d 100%); }
.seed.t2 { background: radial-gradient(circle at 34% 28%, #f5f3ee 0 8%, #cfccc4 30%, #918d86 70%, #625f5a 100%); }
.seed.drop { animation: drop 0.28s cubic-bezier(.3,1.6,.6,1); }
@keyframes drop { from { transform: translateY(-40%) scale(1.35); opacity: 0.2; } to { transform: none; opacity: 1; } }

.flyer-layer { position: absolute; inset: 0; pointer-events: none; }
.flyer-layer .seed { transition: transform 0.6s cubic-bezier(.4,.0,.2,1), opacity 0.6s; z-index: 5; }

/* game over */
.result { position: absolute; inset: 0; display: grid; place-items: center; background: rgba(20, 11, 5, 0.55); border-radius: 18px; animation: fade 0.3s ease; z-index: 10; }
@keyframes fade { from { opacity: 0; } }
.result-card { text-align: center; max-width: 440px; background: #2d1d12; }
.result-card h2 { font-size: 1.7rem; }
.result-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 16px; }

.toast {
  position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%);
  background: #3a2717; border: 1px solid var(--card-line); color: var(--ink);
  padding: 10px 18px; border-radius: 999px; box-shadow: 0 10px 30px rgba(0,0,0,0.4); z-index: 20; max-width: calc(100vw - 32px);
}

@media (max-width: 760px) {
  :root { --pit: calc((100vw - 36px) / 10.9); }
  .board { grid-template-columns: calc(var(--pit) * 0.2) calc(var(--pit) * 1.3) repeat(6, var(--pit)) calc(var(--pit) * 1.3) calc(var(--pit) * 0.2); }
  .adinkra { display: none; }
  .mat { left: -8px; right: -8px; }
  #viewAuth { grid-template-columns: 1fr; }
  .choices, .lower { grid-template-columns: 1fr; }
  .board, .mat { transform: none; }
  .player { font-size: 0.95rem; padding: 6px 8px; }
  .top-actions { gap: 10px; font-size: 0.88rem; }
  .who { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .board, .mat { transform: none; }
  .seed.drop, .pit.capture, .spinner i { animation: none; }
}