/* =========================================================
   Thème par âge : chaque âge redéfinit les variables ci-dessous.
   ========================================================= */
body.age-tribal {
  --bg: #120e0a;
  --ink: #1b130c;
  --panel-1: #5b4431;          /* cuir tanné */
  --panel-2: #3f2e20;
  --panel-edge: #1f150d;
  --stitch: rgba(214, 190, 150, 0.28);
  --text: #e6d6b8;             /* os */
  --text-dim: #a8957a;
  --accent: #c8923e;           /* ocre */
  --accent-2: #8a5a2a;
  --slot-1: #7d6a55;           /* pierre */
  --slot-2: #5e4f3f;
  --blue: #5d93c4;
  --red: #c4574a;
  --gold: #d2a634;
  --title: "Cinzel", Georgia, serif;
  --ui: "Barlow Condensed", "Arial Narrow", sans-serif;
  --grain: repeating-linear-gradient(87deg, rgba(0,0,0,0.05) 0 2px, transparent 2px 5px),
           repeating-linear-gradient(3deg, rgba(255,255,255,0.025) 0 1px, transparent 1px 4px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  font-family: var(--ui);
  color: var(--text);
  user-select: none;
}

#game {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1280px;
  height: 720px;
  transform-origin: center;
  overflow: hidden;
}

#view { position: absolute; inset: 0; width: 1280px; height: 720px; display: block; }

kbd {
  display: inline-block;
  min-width: 18px;
  padding: 0 4px;
  border: 1px solid var(--panel-edge);
  border-radius: 3px;
  background: var(--text);
  color: var(--ink);
  font: 700 12px/16px var(--ui);
  text-align: center;
}

button { font-family: var(--ui); cursor: pointer; color: inherit; }

.panel {
  position: relative;
  background: var(--grain), linear-gradient(180deg, var(--panel-1), var(--panel-2));
  border: 2px solid var(--panel-edge);
  border-radius: 6px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.55), inset 0 1px 0 rgba(255,255,255,0.08);
}
/* couture */
.panel::after {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px dashed var(--stitch);
  border-radius: 4px;
  pointer-events: none;
}

/* ------------------------------------------------ HUD haut */
#hud-top {
  position: absolute;
  top: 10px; left: 10px; right: 10px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  pointer-events: none;
}
#hud-top > * { pointer-events: auto; }

.team { width: 340px; padding: 8px 12px 10px; }
.team-row { display: flex; align-items: center; gap: 8px; }
.team.red .team-row { justify-content: flex-end; }
.team-name { font: 700 17px var(--title); letter-spacing: 1.5px; text-transform: uppercase; }
.team.blue .team-name { color: var(--blue); }
.team.red .team-name { color: var(--red); }
.tag {
  font: 600 11px var(--ui);
  letter-spacing: 1px;
  padding: 1px 6px;
  border-radius: 2px;
  background: rgba(0,0,0,0.35);
  color: var(--text-dim);
  text-transform: uppercase;
}
.team.mine .tag { background: var(--accent); color: var(--ink); }

.hp {
  height: 12px;
  margin-top: 5px;
  border: 1px solid var(--panel-edge);
  border-radius: 2px;
  background: rgba(0,0,0,0.45);
  overflow: hidden;
}
.hp .fill { height: 100%; width: 100%; transition: width .2s; }
.team.blue .fill { background: linear-gradient(#78a8d2, #3c6d98); }
.team.red .fill { background: linear-gradient(#d67a6c, #97372c); margin-left: auto; }

.res { display: flex; gap: 20px; margin-top: 6px; font-size: 19px; font-weight: 700; }
.res span { display: flex; align-items: center; gap: 6px; }

.coin, .pop { display: inline-block; width: 15px; height: 15px; }
.coin {
  border-radius: 40% 55% 45% 50%;
  background: radial-gradient(circle at 35% 35%, #f3dc93 10%, var(--gold) 45%, #7d5d15 100%);
  box-shadow: 0 0 0 1px var(--panel-edge);
}
.pop {
  border-radius: 50% 50% 3px 3px;
  background: linear-gradient(var(--text-dim), #6d5d49);
  box-shadow: 0 0 0 1px var(--panel-edge);
}

.center { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.age-row { display: flex; align-items: center; gap: 8px; }
.age {
  font: 700 13px var(--title);
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  text-shadow: 0 1px 2px #000;
}
.mute {
  width: 24px; height: 24px; padding: 3px;
  border: 1px solid var(--panel-edge);
  border-radius: 3px;
  background: var(--panel-2);
}
.mute svg { width: 100%; height: 100%; fill: var(--text); stroke: var(--text); }
.mute .cross { display: none; }
.mute.muted .wave { display: none; }
.mute.muted .cross { display: inline; }

#minimap {
  width: 440px;
  height: 46px;
  border: 2px solid var(--panel-edge);
  border-radius: 4px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.55);
  cursor: pointer;
}

/* ------------------------------------------------ HUD bas */
#hud-bottom {
  position: absolute;
  left: 10px; right: 10px; bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  pointer-events: none;
}
#hud-bottom > * { pointer-events: auto; }
#unit-bar, #cmd-bar { display: flex; gap: 6px; padding: 8px; }

.unit-btn, .cmd-btn {
  position: relative;
  z-index: 1;
  width: 94px;
  height: 104px;
  padding: 0;
  border: 1px solid var(--panel-edge);
  border-radius: 4px;
  background: var(--grain), linear-gradient(180deg, var(--slot-1), var(--slot-2));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.12), inset 0 -2px 0 rgba(0,0,0,0.3);
  transition: filter .1s, transform .06s;
  overflow: hidden;
}
.unit-btn:hover, .cmd-btn:hover { filter: brightness(1.12); }
.unit-btn:active, .cmd-btn:active { transform: translateY(1px); }
.unit-btn.disabled { filter: grayscale(.7) brightness(.7); }
.unit-btn canvas { width: 60px; height: 60px; display: block; margin: 3px auto 0; }
.unit-btn .name { display: block; font-weight: 600; font-size: 13px; line-height: 13px; padding: 0 3px; height: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.unit-btn .cost { display: flex; justify-content: center; align-items: center; gap: 4px; font-weight: 700; font-size: 14px; color: #f0dca8; }
.unit-btn .cost .coin { width: 11px; height: 11px; }
.unit-btn kbd { position: absolute; top: 4px; left: 4px; font-size: 10px; line-height: 13px; min-width: 14px; }
.unit-btn .count { position: absolute; top: 3px; right: 6px; font-weight: 700; font-size: 15px; color: var(--accent); }
.unit-btn .progress { position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: rgba(0,0,0,.35); }
.unit-btn .progress span { display: block; height: 100%; width: 0; background: var(--accent); }

.cmd-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.cmd-btn svg { width: 32px; height: 32px; fill: var(--text); }
.cmd-btn.active {
  background: var(--grain), linear-gradient(180deg, var(--accent), var(--accent-2));
  color: var(--ink);
  box-shadow: inset 0 0 0 2px rgba(255,230,180,0.35), 0 0 12px rgba(200,146,62,0.45);
}
.cmd-btn.active svg { fill: var(--ink); }
.cmd-btn.placing { animation: pulse 0.9s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: inset 0 0 0 2px #f3dc93, 0 0 18px rgba(243,220,147,0.8); } }

/* ------------------------------------------------ overlays */
.overlay {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: grid;
  place-items: center;
  background: radial-gradient(ellipse at center, rgba(18,14,10,0.45), rgba(18,14,10,0.85));
}
.overlay.hidden { display: none; }
.card {
  position: relative;
  min-width: 480px;
  max-width: 620px;
  padding: 30px 44px 30px;
  text-align: center;
  background: var(--grain), linear-gradient(180deg, var(--panel-1), var(--panel-2));
  border: 2px solid var(--panel-edge);
  border-radius: 6px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.7), inset 0 1px 0 rgba(255,255,255,0.08);
}
.card::after { content: ""; position: absolute; inset: 6px; border: 1px dashed var(--stitch); border-radius: 4px; pointer-events: none; }
.card h1, .card h2 {
  margin: 0;
  font: 900 44px/1.05 var(--title);
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text);
  text-shadow: 0 2px 0 #000, 0 0 24px rgba(200,146,62,0.25);
}
.card h2 { font-size: 32px; }
.card h2.win { color: var(--accent); }
.card h2.lose { color: var(--red); }
.sub { font-size: 18px; margin: 10px 0 22px; color: var(--text-dim); }

.menu-grid { position: relative; z-index: 1; display: grid; gap: 10px; justify-items: stretch; max-width: 360px; margin: 0 auto; }
.big, .btn {
  position: relative;
  z-index: 1;
  padding: 10px 24px;
  border: 1px solid var(--panel-edge);
  border-radius: 4px;
  font: 700 18px var(--ui);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.15), 0 2px 6px rgba(0,0,0,0.5);
}
.big { font-size: 22px; background: var(--grain), linear-gradient(180deg, var(--accent), var(--accent-2)); color: var(--ink); }
.btn { background: var(--grain), linear-gradient(180deg, var(--slot-1), var(--slot-2)); }
.btn.ghost { background: rgba(0,0,0,0.25); color: var(--text-dim); }
.big:hover, .btn:hover { filter: brightness(1.1); }

.join { display: flex; gap: 8px; }
.join input {
  width: 110px;
  padding: 8px 10px;
  border: 1px solid var(--panel-edge);
  border-radius: 4px;
  background: rgba(0,0,0,0.35);
  color: var(--text);
  font: 700 20px var(--ui);
  letter-spacing: 6px;
  text-align: center;
  text-transform: uppercase;
}
.join .btn { flex: 1; }

.status { min-height: 20px; margin: 12px 0 0; color: var(--accent); font-size: 16px; }
.help { position: relative; z-index: 1; margin-top: 14px; font-size: 14px; display: grid; gap: 5px; color: var(--text-dim); }

.code { font: 900 54px var(--title); letter-spacing: 12px; color: var(--accent); margin: 14px 0 6px; }
.code:empty { display: none; }
.spinner {
  width: 34px; height: 34px;
  margin: 20px auto;
  border: 3px solid rgba(230,214,184,0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
#overlay-wait .btn { position: relative; z-index: 1; }

/* ------------------------------------------------ construction */
#hud-bottom { gap: 8px; }
#hud-bottom .spacer { flex: 1; }
#build-bar { display: flex; gap: 6px; padding: 8px; align-items: flex-end; }
#build-bar .bar-label {
  position: absolute; top: -9px; left: 12px; z-index: 2;
  padding: 0 6px; font: 600 11px var(--ui); letter-spacing: 1.5px; text-transform: uppercase;
  background: var(--panel-2); color: var(--text-dim); border: 1px solid var(--panel-edge); border-radius: 2px;
}
.build-btn.active { box-shadow: inset 0 0 0 2px #f3dc93, 0 0 14px rgba(243,220,147,0.6); }

.unit-btn .lock {
  display: none;
  position: absolute; inset: 0;
  align-items: center; justify-content: center;
  background: rgba(20,14,9,0.55);
}
.unit-btn .lock svg { width: 26px; height: 26px; fill: var(--text-dim); margin-bottom: 22px; }
.unit-btn.locked .lock { display: flex; }
.unit-btn.locked { filter: none; }

/* ------------------------------------------------ arbre technologique */
#tech-wrap { position: absolute; left: 10px; top: 118px; z-index: 3; }
#tech-btn {
  width: 64px; height: 76px; padding: 6px 4px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  font: 700 12px/1.05 var(--ui); letter-spacing: 1px; text-transform: uppercase; color: var(--text);
}
#tech-btn svg { width: 30px; height: 30px; fill: var(--accent); }
.tech-count {
  position: absolute; left: 44px; top: -6px; z-index: 2;
  padding: 0 5px; border-radius: 8px; background: var(--accent); color: var(--ink);
  font: 700 11px/16px var(--ui); pointer-events: none;
}
#tech-panel {
  display: none;
  position: absolute; left: 72px; top: 0;
  padding: 12px 14px 12px;
}
#tech-wrap:hover #tech-panel { display: block; }
/* pont invisible pour ne pas perdre le survol entre le bouton et le panneau */
#tech-wrap::after { content: ""; position: absolute; left: 60px; top: 0; width: 16px; height: 76px; }
#tech-wrap:hover #tech-btn { filter: brightness(1.15); }

.tech-title { position: relative; z-index: 1; font: 700 15px var(--title); letter-spacing: 2px; text-transform: uppercase; margin: 2px 4px 6px; }
.tech-title span { font: 600 12px var(--ui); color: var(--accent); letter-spacing: 2px; margin-left: 8px; }
.tech-area { position: relative; z-index: 1; }
.tech-links { position: absolute; inset: 0; overflow: visible; }
.tech-links path { fill: none; stroke: rgba(20,14,9,0.7); stroke-width: 5; }
.tech-links path.done { stroke: var(--accent); stroke-width: 4; filter: drop-shadow(0 0 3px rgba(200,146,62,0.6)); }

.tech-node {
  position: absolute; width: 104px; height: 112px; padding: 6px 4px 4px;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  border: 1px solid var(--panel-edge); border-radius: 5px;
  background: var(--grain), linear-gradient(180deg, var(--slot-1), var(--slot-2));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.12), 0 2px 6px rgba(0,0,0,0.5);
  color: var(--text);
}
.tech-icon {
  width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center;
  background: radial-gradient(circle, rgba(0,0,0,0.15), rgba(0,0,0,0.45));
  box-shadow: inset 0 0 0 2px rgba(20,14,9,0.6);
  color: #d9ceb2;
}
.tech-icon svg { width: 38px; height: 38px; }
.tech-name { font: 600 13px/1.05 var(--ui); text-align: center; min-height: 28px; display: flex; align-items: center; }
.tech-cost { display: flex; align-items: center; gap: 4px; font: 700 14px var(--ui); color: #f0dca8; }
.tech-cost .coin { width: 11px; height: 11px; }
.tech-done { display: none; position: absolute; top: 3px; right: 6px; font: 700 16px var(--ui); color: var(--ink); }

.tech-node.locked { filter: grayscale(0.8) brightness(0.55); cursor: not-allowed; }
.tech-node.available:not(.affordable) .tech-cost { color: #c98a7a; }
.tech-node.available.affordable { box-shadow: inset 0 0 0 1px rgba(243,220,147,0.5), 0 0 10px rgba(200,146,62,0.35); }
.tech-node.available.affordable:hover { filter: brightness(1.15); }
.tech-node.done {
  background: var(--grain), linear-gradient(180deg, var(--accent), var(--accent-2));
  color: var(--ink); cursor: default;
}
.tech-node.done .tech-icon { box-shadow: inset 0 0 0 2px rgba(255,230,180,0.6); }
.tech-node.done .tech-cost { visibility: hidden; }
.tech-node.done .tech-done { display: block; }

.tech-desc {
  position: relative; z-index: 1;
  margin-top: 10px; padding: 6px 8px; min-height: 30px; max-width: 590px;
  background: rgba(0,0,0,0.25); border-radius: 3px;
  font: 500 14px var(--ui); color: var(--text-dim);
}
.tech-desc b { color: var(--text); }
.tech-desc .req { color: var(--accent); }

/* ------------------------------------------------ année + passage d'âge */
.year {
  font: 600 13px var(--ui); letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--text); padding: 1px 7px; border-radius: 2px;
  background: rgba(0,0,0,0.4); border: 1px solid var(--panel-edge);
}
.ageup {
  display: flex; align-items: center; gap: 5px;
  height: 24px; padding: 0 8px;
  border: 1px solid var(--panel-edge); border-radius: 3px;
  background: var(--grain), linear-gradient(180deg, var(--accent), var(--accent-2));
  color: var(--ink); font: 700 12px var(--ui); letter-spacing: 1px; text-transform: uppercase;
  box-shadow: 0 2px 6px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.2);
}
.ageup svg { width: 13px; height: 13px; fill: var(--ink); }
.ageup .c { display: flex; align-items: center; gap: 3px; padding-left: 5px; border-left: 1px solid rgba(0,0,0,0.3); }
.ageup .coin { width: 10px; height: 10px; }
.ageup:hover { filter: brightness(1.12); }
.ageup.disabled { filter: grayscale(0.7) brightness(0.7); }
.ageup.done { background: rgba(0,0,0,0.35); color: var(--accent); cursor: default; }
.ageup.done svg { fill: var(--accent); }
.ageup.done .c { display: none; }

/* ------------------------------------------------ difficulté IA */
.train { position: relative; z-index: 1; display: grid; gap: 5px; margin-top: 4px; }
.train > span { font: 600 13px var(--ui); letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-dim); }
.diff { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.diff .btn { padding: 8px 6px; font-size: 15px; }
.diff [data-diff="hard"] { color: #d98474; }

/* =========================================================
   Âge Médiéval : fer, pierre taillée, bleu roi et or
   ========================================================= */
body.age-medieval {
  --bg: #0e1014;
  --ink: #15171c;
  --panel-1: #4a4f58;          /* pierre / acier */
  --panel-2: #30343b;
  --panel-edge: #16181d;
  --stitch: rgba(210, 190, 130, 0.3);
  --text: #ece6d6;
  --text-dim: #aaa593;
  --accent: #c9a94a;           /* or */
  --accent-2: #8a6d24;
  --slot-1: #6b6f77;
  --slot-2: #4c5058;
  --blue: #6e9fd0;
  --red: #cf6457;
  --gold: #d8b44c;
  --title: "Cinzel", Georgia, serif;
  --ui: "Barlow Condensed", "Arial Narrow", sans-serif;
  --grain: repeating-linear-gradient(90deg, rgba(0,0,0,0.05) 0 1px, transparent 1px 6px),
           repeating-linear-gradient(0deg, rgba(255,255,255,0.03) 0 1px, transparent 1px 22px);
}
/* rivets aux coins des panneaux médiévaux */
body.age-medieval .panel::after { border-style: solid; border-color: rgba(201,169,74,0.25); }

/* ------------------------------------------------ bascule d'âge des troupes */
#age-toggle {
  align-self: flex-end;
  width: 46px; height: 120px; margin-left: -4px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  color: var(--accent);
}
#age-toggle[hidden] { display: none; }
#age-toggle .roman { font: 900 22px var(--title); position: relative; z-index: 1; }
#age-toggle small { font: 600 10px var(--ui); letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-dim); position: relative; z-index: 1; }
#age-toggle:hover { filter: brightness(1.15); }

/* ------------------------------------------------ séparation d'âge dans l'arbre */
.tech-divider {
  position: absolute; left: 0; right: 0; height: 0;
  border-top: 1px dashed rgba(201,169,74,0.55);
}
.tech-divider span {
  position: absolute; left: 50%; top: -9px; transform: translateX(-50%);
  padding: 0 8px; background: var(--panel-2);
  font: 700 11px var(--title); letter-spacing: 2px; text-transform: uppercase; color: var(--accent);
}

/* Arbre sur 4 rangées : panneau remonté et nœuds plus compacts */
#tech-panel { top: -52px; }
.tech-node { height: 102px; padding-top: 4px; }
.tech-icon { width: 42px; height: 42px; }
.tech-icon svg { width: 34px; height: 34px; }

/* 6 troupes + pouvoir : boutons un peu plus étroits */
.unit-btn, .cmd-btn { width: 86px; }
.cmd-btn[hidden] { display: none; }
.cmd-fireball svg { width: 30px; height: 30px; }
.cmd-fireball .cd { position: absolute; top: 4px; right: 6px; font: 700 13px var(--ui); color: #ffb36b; }
.cmd-fireball.disabled { filter: grayscale(0.6) brightness(0.7); }
.cmd-fireball.active { background: var(--grain), linear-gradient(180deg, #d0621c, #7a2c10); color: #fff3c9; }