/* Merellus — Roman look & feel */

:root {
  --gold: #c9a227;
  --gold-bright: #e8c55a;
  --gold-dim: #8a7019;
  --red: #7c2128;
  --red-bright: #a83a3a;
  --bg: #171310;
  --bg-card: #241e17;
  --bg-card-2: #2c251c;
  --text: #e8dcc0;
  --text-dim: #a89878;
  --shadow: 0 8px 28px rgba(0, 0, 0, 0.55);
}

/* Board palette per arena theme */
body.theme-marble {
  --board-bg-1: #ece4d0;
  --board-bg-2: #d9cdb2;
  --board-line: #6b5b3e;
  --board-dot: #6b5b3e;
  --board-frame: #b3a482;
  --board-mark: rgba(107, 91, 62, 0.16);
}
body.theme-obsidian {
  --board-bg-1: #2b2722;
  --board-bg-2: #1e1b17;
  --board-line: #c9a227;
  --board-dot: #c9a227;
  --board-frame: #5a4a1d;
  --board-mark: rgba(201, 162, 39, 0.13);
}
body.theme-terracotta {
  --board-bg-1: #b05c33;
  --board-bg-2: #94481f;
  --board-line: #f3e2c0;
  --board-dot: #f3e2c0;
  --board-frame: #6e3315;
  --board-mark: rgba(243, 226, 192, 0.18);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Cinzel', 'Times New Roman', serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 50% -100px, #2e2519 0%, transparent 60%),
    radial-gradient(900px 500px at 50% 110%, #241c12 0%, transparent 55%),
    var(--bg);
  min-height: 100vh;
}

/* ---------- Header ---------- */
header { text-align: center; padding: 26px 12px 10px; }
.spqr {
  color: var(--red-bright);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 6px;
}
h1 {
  font-family: 'Cinzel Decorative', 'Cinzel', serif;
  font-size: clamp(34px, 6vw, 56px);
  margin: 2px 0 0;
  letter-spacing: 10px;
  color: var(--gold);
  text-shadow: 0 2px 0 #3a2e08, 0 4px 18px rgba(201, 162, 39, 0.25);
}
.tagline {
  margin: 4px 0 0;
  color: var(--text-dim);
  font-size: 14px;
  letter-spacing: 1.5px;
}
.tagline::before, .tagline::after { content: ' ⸺ '; color: var(--gold-dim); }

/* ---------- Layout & ad rails ---------- */
.layout {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) 180px;
  gap: 18px;
  max-width: 1280px;
  margin: 8px auto 0;
  padding: 0 14px;
  align-items: start;
}
main { min-width: 0; }

.ad-rail { position: sticky; top: 14px; display: flex; justify-content: center; }
.ad-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px dashed #4a4030;
  border-radius: 6px;
  color: #5d5340;
  font-size: 12px;
  letter-spacing: 2px;
  background: rgba(255, 255, 255, 0.015);
}
.ad-slot span { font-size: 11px; letter-spacing: 1px; }
.ad-skyscraper { width: 160px; height: 600px; }
.ad-leaderboard { width: 100%; max-width: 728px; height: 90px; margin: 22px auto 0; }

/* ---------- Scoreboard ---------- */
.scoreboard {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 14px;
  margin-bottom: 14px;
}
.player-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(180deg, var(--bg-card-2), var(--bg-card));
  border: 1px solid #3c3222;
  border-radius: 10px;
  padding: 10px 16px;
  min-width: 200px;
  box-shadow: var(--shadow);
  transition: border-color 0.25s, box-shadow 0.25s;
}
.player-card.active {
  border-color: var(--gold);
  box-shadow: 0 0 0 1px var(--gold), 0 0 22px rgba(201, 162, 39, 0.25);
}
.pc-avatar {
  font-size: 34px;
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle at 35% 30%, #3a3124, #211b13);
  border: 2px solid var(--gold-dim);
  border-radius: 50%;
}
.pc-name { font-weight: 700; font-size: 16px; letter-spacing: 1px; color: var(--gold-bright); }
.pc-stone { font-size: 12px; color: var(--text-dim); display: flex; align-items: center; gap: 6px; }
.stone-dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.stone-dot.s1 { background: radial-gradient(circle at 35% 30%, #fffbe8, #cdbf9b); border: 1px solid #9c8d68; }
.stone-dot.s2 { background: radial-gradient(circle at 35% 30%, #5d564b, #16120d); border: 1px solid #000; }
.pc-hand { display: flex; gap: 3px; min-height: 10px; margin: 3px 0; }
.pc-hand i {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--gold-dim);
}
.pc-captured { font-size: 12px; color: var(--text-dim); }
.pc-captured b { color: var(--red-bright); }
.vs { align-self: center; font-size: 26px; color: var(--red-bright); }

/* ---------- Board ---------- */
.board-wrap {
  display: flex;
  justify-content: center;
}
#board {
  width: 100%;
  max-width: 620px;
  background:
    radial-gradient(circle at 30% 25%, var(--board-bg-1), var(--board-bg-2));
  border: 4px double var(--gold-dim);
  outline: 1px solid #00000055;
  border-radius: 10px;
  box-shadow: var(--shadow), inset 0 0 60px rgba(0, 0, 0, 0.18);
}
#board .grid-line { stroke: var(--board-line); stroke-width: 4; stroke-linecap: round; fill: none; }
#board .grid-frame { stroke: var(--board-frame); stroke-width: 2; fill: none; }
#board .point-dot { fill: var(--board-dot); }
#board .point-hit { fill: transparent; cursor: pointer; }
#board .center-mark {
  fill: var(--board-mark);
  font-family: 'Cinzel Decorative', 'Cinzel', serif;
  font-size: 46px;
  font-weight: 700;
  letter-spacing: 8px;
  text-anchor: middle;
  pointer-events: none;
}

.piece { stroke-width: 2.5; transform-box: fill-box; transform-origin: center; }
.piece.p1 { fill: url(#grad-ivory); stroke: #978a66; cursor: default; }
.piece.p2 { fill: url(#grad-obsidian); stroke: #060503; }
.piece.mine { cursor: pointer; }
.piece.selected { stroke: var(--gold-bright); stroke-width: 5; }
.piece.pop { animation: pop 0.28s ease-out; }
.piece.removable { cursor: pointer; animation: pulse-red 0.9s ease-in-out infinite; }
.last-ring { fill: none; stroke: var(--gold); stroke-width: 2.5; opacity: 0.85; pointer-events: none; }
.target-ring {
  fill: rgba(201, 162, 39, 0.12);
  stroke: var(--gold);
  stroke-width: 2.5;
  stroke-dasharray: 6 5;
  cursor: pointer;
  animation: pulse-gold 1.3s ease-in-out infinite;
}
.mill-line {
  stroke: var(--gold-bright);
  stroke-width: 9;
  stroke-linecap: round;
  opacity: 0;
  animation: mill-glow 1.6s ease-out forwards;
  pointer-events: none;
}

/* Capture burst: the taken stone flashes, shatters and flies apart */
.cap-ghost, .cap-flash, .cap-ring, .cap-shard {
  transform-box: fill-box;
  transform-origin: center;
  pointer-events: none;
}
.cap-ghost { stroke-width: 2.5; animation: cap-ghost 0.85s cubic-bezier(0.3, 0.1, 0.6, 1) forwards; }
.cap-ghost.v1 { fill: url(#grad-ivory); stroke: #978a66; }
.cap-ghost.v2 { fill: url(#grad-obsidian); stroke: #060503; }
.cap-flash { fill: #d23b2e; animation: cap-flash 0.4s ease-out forwards; }
.cap-ring { fill: none; stroke: var(--red-bright); stroke-width: 5; animation: cap-ring 0.8s ease-out forwards; }
.cap-shard { animation: cap-shard 0.8s cubic-bezier(0.2, 0.6, 0.5, 1) forwards; }
.cap-shard.v1 { fill: #ddd0a8; }
.cap-shard.v2 { fill: #38322a; }

@keyframes cap-ghost {
  0% { opacity: 1; transform: scale(1); }
  22% { opacity: 1; transform: scale(1.35); }
  100% { opacity: 0; transform: scale(0.05); }
}
@keyframes cap-flash {
  0% { opacity: 0.8; }
  100% { opacity: 0; }
}
@keyframes cap-ring {
  0% { opacity: 1; transform: scale(0.7); }
  100% { opacity: 0; transform: scale(3); }
}
@keyframes cap-shard {
  0% { opacity: 1; transform: translate(0, 0) scale(1); }
  100% { opacity: 0; transform: translate(var(--dx), var(--dy)) scale(0.3); }
}

/* Scoreboard card of the player who just lost a stone */
.player-card.hit {
  animation: card-hit 0.55s ease;
  box-shadow: 0 0 18px rgba(200, 50, 50, 0.55);
  border-color: var(--red-bright);
}
@keyframes card-hit {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(5px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(3px); }
}

@keyframes pop { from { transform: scale(0.2); } to { transform: scale(1); } }
@keyframes pulse-red {
  0%, 100% { stroke: #d33; stroke-width: 3; }
  50% { stroke: #ff7b6b; stroke-width: 6; }
}
@keyframes pulse-gold { 0%, 100% { opacity: 0.95; } 50% { opacity: 0.45; } }
@keyframes mill-glow { 0% { opacity: 0; } 15% { opacity: 0.9; } 100% { opacity: 0; } }

/* ---------- Message bar & controls ---------- */
.message-bar {
  text-align: center;
  margin: 14px auto 0;
  max-width: 620px;
  padding: 10px 16px;
  background: linear-gradient(180deg, var(--bg-card-2), var(--bg-card));
  border: 1px solid #3c3222;
  border-left: 3px solid var(--gold);
  border-right: 3px solid var(--gold);
  border-radius: 8px;
  font-size: 15px;
  letter-spacing: 0.5px;
  min-height: 22px;
}
.message-bar.mill-msg { color: var(--gold-bright); border-color: var(--gold); }

.controls { display: flex; justify-content: center; gap: 10px; margin-top: 14px; }
.btn {
  font-family: 'Cinzel', serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 1.5px;
  color: var(--text);
  background: linear-gradient(180deg, #3a3122, #271f14);
  border: 1px solid var(--gold-dim);
  border-radius: 8px;
  padding: 10px 18px;
  cursor: pointer;
  transition: all 0.15s;
}
.btn:hover { border-color: var(--gold); color: var(--gold-bright); }
.btn-gold {
  background: linear-gradient(180deg, var(--gold-bright), var(--gold-dim));
  color: #241b05;
  border-color: var(--gold-bright);
  font-size: 16px;
  padding: 13px 26px;
}
.btn-gold:hover { color: #000; filter: brightness(1.08); }

/* ---------- How to play ---------- */
.howto {
  max-width: 620px;
  margin: 20px auto 0;
  background: linear-gradient(180deg, var(--bg-card-2), var(--bg-card));
  border: 1px solid #3c3222;
  border-radius: 10px;
  padding: 4px 18px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-dim);
}
.howto summary {
  cursor: pointer;
  padding: 10px 0;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--gold);
}
.howto b, .howto i { color: var(--text); }
.howto-note { font-style: italic; border-top: 1px solid #3c3222; padding-top: 10px; }

footer {
  text-align: center;
  color: #5d5340;
  font-size: 12px;
  letter-spacing: 2px;
  padding: 28px 12px 20px;
}

/* ---------- Overlays ---------- */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 7, 4, 0.82);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 50;
  overflow-y: auto;
}
.overlay.hidden { display: none; }
.scroll-card {
  background:
    linear-gradient(180deg, #efe5cb, #e0d2ad);
  color: #2b2117;
  border: 1px solid #b3a482;
  border-radius: 6px;
  box-shadow: 0 0 0 6px #241e17, 0 0 0 8px var(--gold-dim), 0 24px 60px rgba(0, 0, 0, 0.7);
  padding: 26px 30px 30px;
  width: 100%;
  max-width: 430px;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
}
.scroll-card h2 {
  font-family: 'Cinzel Decorative', 'Cinzel', serif;
  text-align: center;
  margin: 0;
  letter-spacing: 4px;
  color: var(--red);
  font-size: 26px;
}
.scroll-sub { text-align: center; margin: 6px 0 18px; font-size: 13px; color: #6e5c40; }
.field-label {
  display: block;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #6e5c40;
  margin: 16px 0 7px;
}
#player-name {
  width: 100%;
  font-family: 'Cinzel', serif;
  font-size: 17px;
  padding: 9px 12px;
  border: 1px solid #b3a482;
  border-radius: 5px;
  background: #f7f0dd;
  color: #2b2117;
  letter-spacing: 1px;
}
#player-name:focus { outline: 2px solid var(--gold); }
.choice-row { display: flex; gap: 8px; flex-wrap: wrap; }
.choice-col { display: flex; flex-direction: column; gap: 8px; }
.choice {
  font-family: 'Cinzel', serif;
  background: #f7f0dd;
  border: 2px solid #c9bb96;
  border-radius: 7px;
  padding: 8px 12px;
  cursor: pointer;
  color: #2b2117;
  font-size: 14px;
  letter-spacing: 1px;
  transition: all 0.12s;
  display: flex;
  align-items: center;
  gap: 9px;
}
.choice:hover { border-color: var(--gold); }
.choice.chosen { border-color: var(--red); background: #fdf6e3; box-shadow: 0 0 0 1px var(--red); }
.avatar-choice { font-size: 26px; padding: 7px 11px; }
.diff-choice { text-align: left; flex-wrap: wrap; }
.diff-choice b { letter-spacing: 2px; }
.diff-choice span { font-size: 12px; color: #6e5c40; width: 100%; }
.swatch { width: 18px; height: 18px; border-radius: 4px; border: 1px solid #00000033; display: inline-block; }
.sw-marble { background: linear-gradient(135deg, #ece4d0, #d9cdb2); }
.sw-obsidian { background: linear-gradient(135deg, #2b2722, #1e1b17); }
.sw-terracotta { background: linear-gradient(135deg, #b05c33, #94481f); }
#btn-start { width: 100%; margin-top: 22px; }

.scroll-card-end { text-align: center; max-width: 380px; }
.end-laurel { font-size: 44px; }
#end-text { color: #6e5c40; font-size: 15px; margin: 8px 0 20px; }
.end-buttons { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .ad-rail { display: none; }
  .layout { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
  .scoreboard { flex-direction: column; gap: 8px; }
  .vs { display: none; }
  .player-card { min-width: 0; }
  h1 { letter-spacing: 5px; }
  .ad-leaderboard { height: 100px; }
}