:root{
  --bg:#0a0f14;
  --wall:#101820;
  --wall-2:#16212b;
  --surface:#191f26;
  --surface-2:#212a33;
  --ink:#eef2f6;
  --ink-dim:#9aa7b4;
  --ink-faint:#66727e;
  --line:#33404c;
  --line-soft:#232c35;
  --gold:#7fd4dd;
  --gold-dim:#2b5a60;
  --ok:#5fbf7d;
  --bad:#e06060;
  --top-h:52px;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  min-height:100vh;
  background:
    radial-gradient(1100px 620px at 50% -12%, #16323a 0%, transparent 62%),
    linear-gradient(180deg,#0d141a 0%, var(--bg) 100%);
  color:var(--ink);
  font-family:var(--sans);
  -webkit-font-smoothing:antialiased;
}

/* ---------- entete ---------- */
.top{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:14px 20px;border-bottom:1px solid var(--line-soft);
  position:sticky;top:0;z-index:20;
  background:rgba(18,14,11,.82);backdrop-filter:blur(10px);
}
.brand{display:flex;align-items:center;gap:10px}
.brand h1{font-size:19px;letter-spacing:.24em;margin:0;font-weight:600}
.gem-dot{
  width:14px;height:14px;transform:rotate(45deg);border-radius:2px;
  background:linear-gradient(135deg,#f4f7fb,#3fd0d8);
  box-shadow:0 0 14px rgba(63,208,216,.55);
}
.tag{color:var(--ink-faint);font-size:12.5px;letter-spacing:.04em}
.top-right{display:flex;align-items:center;gap:10px}
.badge{
  font-family:var(--mono);font-size:13px;letter-spacing:.18em;
  border:1px solid var(--gold-dim);color:var(--gold);
  padding:5px 11px;border-radius:6px;background:rgba(217,164,65,.07);
}

/* ---------- boutons / champs ---------- */
button{font:inherit;cursor:pointer;border-radius:7px;transition:.14s}
button.primary{
  background:linear-gradient(180deg,#7fd4dd,#3fa6b2);
  color:#062024;border:none;font-weight:640;padding:9px 16px;
}
button.primary:hover{filter:brightness(1.09)}
button.primary:disabled{opacity:.38;cursor:not-allowed;filter:none}
button.ghost{
  background:transparent;color:var(--ink-dim);
  border:1px solid var(--line);padding:8px 13px;
}
button.ghost:hover{color:var(--ink);border-color:var(--gold-dim)}
button.ghost:disabled{opacity:.35;cursor:not-allowed}
button.ghost.done{border-color:#2f6640;color:#93e2ac;background:rgba(95,191,125,.12)}
label{display:block;font-size:12.5px;color:var(--ink-dim);margin:12px 0 0}
input{
  display:block;width:100%;margin-top:5px;padding:9px 11px;
  background:#0f1418;border:1px solid var(--line);border-radius:7px;
  color:var(--ink);font:inherit;
}
input:focus{outline:none;border-color:var(--gold-dim)}
#in-code{font-family:var(--mono);letter-spacing:.3em;text-transform:uppercase}
kbd{
  font-family:var(--mono);font-size:11px;border:1px solid var(--line);
  border-bottom-width:2px;border-radius:4px;padding:1px 5px;color:var(--ink-dim);
}

.hidden{display:none !important}
.dim{color:var(--ink-faint);font-weight:400}
.error{color:var(--bad);font-size:13px;margin:8px 0 0}
.hint{color:var(--ink-faint);font-size:12.5px;line-height:1.55;margin:10px 0 0}

/* ---------- accueil ---------- */
.view{padding:26px 20px 60px}
.hero{max-width:880px;margin:0 auto}
.hero h2{font-size:27px;line-height:1.28;margin:14px 0 10px;font-weight:600}
.hero>p{color:var(--ink-dim);line-height:1.7;max-width:64ch;margin:0 0 26px}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.card{
  background:linear-gradient(180deg,var(--wall-2),var(--wall));
  border:1px solid var(--line-soft);border-radius:13px;padding:18px 18px 20px;
}
.card h3{margin:0;font-size:15px;letter-spacing:.05em;color:var(--gold)}
.card button{margin-top:15px;width:100%}
@media(max-width:720px){.cards{grid-template-columns:1fr}}

/* ---------- jeu ---------- */
/* Bandeau de tour : colle sous l'entete (qui est deja sticky), donc jamais
   perdu au defilement. Vert = c'est a vous, rouge = c'est a l'adversaire. */
.banner{
  position:sticky;top:var(--top-h);z-index:18;
  max-width:1180px;margin:0 auto 16px;padding:11px 16px;border-radius:9px;
  border:1px solid var(--line-soft);
  font-size:14.5px;font-weight:560;display:flex;align-items:center;gap:11px;
  background:var(--surface);backdrop-filter:blur(10px);
}
.banner .dot{width:9px;height:9px;border-radius:50%;flex:none;background:var(--ink-faint)}
.banner.wait{color:var(--ink-dim)}
.banner.you{
  border-color:#2f6640;background:rgba(95,191,125,.14);color:#93e2ac;
}
.banner.you .dot{background:var(--ok);box-shadow:0 0 0 4px rgba(95,191,125,.18)}
.banner.them{
  border-color:#6b3131;background:rgba(224,96,96,.13);color:#f1a5a5;
}
.banner.them .dot{background:var(--bad);box-shadow:0 0 0 4px rgba(224,96,96,.16)}
@media (prefers-reduced-motion: no-preference){
  .banner.you .dot{animation:pulse 2.1s ease-in-out infinite}
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 4px rgba(95,191,125,.18)}
  50%{box-shadow:0 0 0 7px rgba(95,191,125,.05)}
}

.share{
  max-width:1180px;margin:0 auto 16px;padding:11px 16px;border-radius:9px;
  border:1px dashed var(--line);display:flex;align-items:center;gap:12px;
  flex-wrap:wrap;font-size:13.5px;color:var(--ink-dim);
}
.share code{
  font-family:var(--mono);font-size:12.5px;color:var(--gold);
  background:rgba(217,164,65,.08);padding:5px 9px;border-radius:5px;
  word-break:break-all;cursor:pointer;user-select:all;
}
.share code:hover{background:rgba(217,164,65,.16)}

.boards{
  max-width:1180px;margin:0 auto;display:grid;
  grid-template-columns:1fr 1fr;gap:18px;align-items:start;
}
@media(max-width:1000px){.boards{grid-template-columns:1fr}}
.boards.solo{grid-template-columns:minmax(0,560px);justify-content:center}

.panel{
  background:linear-gradient(180deg,var(--wall-2),var(--wall));
  border:1px solid var(--line-soft);border-radius:13px;padding:16px;
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.panel h2{margin:0;font-size:14.5px;letter-spacing:.08em;color:var(--gold);font-weight:600}
.panel h3{margin:16px 0 8px;font-size:12.5px;letter-spacing:.09em;color:var(--ink-faint);text-transform:uppercase}
.pill{
  font-size:11.5px;padding:3px 9px;border-radius:99px;
  border:1px solid var(--line);color:var(--ink-dim);white-space:nowrap;
}
.pill.ok{border-color:#2c5b3c;color:var(--ok);background:rgba(95,191,125,.09)}
.pill.warn{border-color:var(--gold-dim);color:var(--gold);background:rgba(217,164,65,.09)}

svg{display:block;width:100%;height:auto;touch-action:none;user-select:none}

/* ---------- outils ---------- */
.tools{margin-top:12px}
.tray{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:11px}
.chip{
  display:flex;align-items:center;gap:7px;padding:5px 10px 5px 6px;
  border:1px solid var(--line);border-radius:8px;background:#0f1418;
  cursor:pointer;font-size:12.5px;color:var(--ink-dim);transition:.14s;
}
.chip:hover{border-color:var(--gold-dim);color:var(--ink)}
.chip.sel{border-color:var(--gold);color:var(--ink);background:rgba(217,164,65,.1)}
.chip.placed{opacity:.42}
.chip svg{width:26px;height:26px}
.btn-row{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- listes de tirs ---------- */
.shotlist{display:flex;flex-direction:column;gap:3px;max-height:230px;overflow:auto}
.shot{
  display:grid;grid-template-columns:26px auto 1fr;align-items:center;gap:9px;
  padding:5px 8px;border-radius:6px;font-size:13px;cursor:pointer;
  border:1px solid transparent;
}
/* Un tir peut avoir PLUSIEURS sorties : elles s'empilent a droite. */
.shot .outs{display:flex;flex-wrap:wrap;gap:4px 12px;justify-content:flex-end}
.shot .out{display:flex;align-items:center;gap:5px;color:var(--ink-dim);font-size:12px}
.shot .out b{color:var(--ink);font-family:var(--mono);font-weight:600}
.shot .out i{width:11px;height:11px;border-radius:3px;border:1px solid rgba(255,255,255,.22);display:inline-block}
.shot .out.dim{color:var(--ink-faint);font-style:italic}
.shot:hover{background:rgba(255,255,255,.035)}
.shot.sel{border-color:var(--gold-dim);background:rgba(217,164,65,.09)}
.shot .n{font-family:var(--mono);font-size:11.5px;color:var(--ink-faint)}
.shot .route{font-family:var(--mono);letter-spacing:.04em}
.shot .swatch{display:flex;align-items:center;gap:6px;color:var(--ink-dim);font-size:12px}
.shot .swatch i{width:12px;height:12px;border-radius:3px;border:1px solid rgba(255,255,255,.22);display:inline-block}
/* "clair" = aucune gemme rencontree : hachures, jamais un aplat pale, sinon
   il se confond avec le blanc du diamant. */
.shot .swatch i.hatch,.rules-colors i.hatch{
  background:repeating-linear-gradient(45deg,#c3ccd8 0 2px,#161d24 2px 5px);
}

/* ---------- journal ---------- */
.journal{max-width:1180px;margin:18px auto 0}
.journal h3{font-size:12.5px;letter-spacing:.09em;color:var(--ink-faint);text-transform:uppercase;margin:0 0 8px}
.journal ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:3px;max-height:180px;overflow:auto}
.journal li{font-size:13px;color:var(--ink-dim);padding:4px 9px;border-left:2px solid var(--line-soft)}
.journal li:last-child{color:var(--ink);border-left-color:var(--gold-dim)}

/* ---------- fin ---------- */
.endcard{
  max-width:1180px;margin:18px auto 0;padding:20px;border-radius:13px;
  border:1px solid var(--gold-dim);background:rgba(217,164,65,.07);text-align:center;
}
.endcard h2{margin:0 0 6px;font-size:22px;color:var(--gold)}
.endcard p{margin:0 0 15px;color:var(--ink-dim)}

/* ---------- dialogue regles ---------- */
dialog{
  max-width:640px;width:calc(100% - 32px);border:1px solid var(--line);
  border-radius:14px;background:var(--wall-2);color:var(--ink);padding:24px;
}
dialog::backdrop{background:rgba(6,4,3,.7)}
dialog h2{margin:0 0 14px;font-size:19px;color:var(--gold)}
dialog h3{margin:20px 0 6px;font-size:12.5px;letter-spacing:.09em;color:var(--ink-faint);text-transform:uppercase}
dialog p,dialog li{color:var(--ink-dim);line-height:1.65;font-size:14px}
dialog p{margin:0 0 8px}
dialog ul{margin:0;padding-left:20px}
dialog button{margin-top:20px;width:100%}
.rules-colors{display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:5px;margin:8px 0}
.rules-colors div{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-dim)}
.rules-colors i{width:14px;height:14px;border-radius:3px;border:1px solid rgba(255,255,255,.2)}
.rules-gems{display:flex;flex-wrap:wrap;gap:14px;margin:10px 0}
.rules-gems figure{margin:0;text-align:center;font-size:11.5px;color:var(--ink-faint)}
.rules-gems svg{width:54px;height:54px}

/* ---------- choix de difficulte ---------- */
.modes{border:1px solid var(--line);border-radius:9px;padding:11px 13px;margin:14px 0 0}
.modes legend{font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);padding:0 6px}
.radio{display:flex;gap:9px;align-items:flex-start;margin:0 0 9px;cursor:pointer;color:var(--dim)}
.radio:last-child{margin-bottom:0}
.radio input{width:auto;margin:3px 0 0;accent-color:var(--gold)}
.radio span{font-size:12.5px;line-height:1.5}
.radio b{color:var(--ink)}

/* Propagation de la lumiere : chaque segment se dessine quand la lumiere
 * l'atteint. `--l` est sa longueur, `--d` sa duree, `--r` son retard depuis
 * l'entree, tous trois poses en JavaScript parce que seule la mesure du
 * trajet les connait. Un segment hachure (rien rencontre) garde ses tirets
 * et parait en fondu : superposer deux jeux de tirets effacerait
 * l'information. */
@keyframes crystal-trace {
  from { stroke-dashoffset: var(--l); }
  to   { stroke-dashoffset: 0; }
}
@keyframes crystal-parait {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.faisceau-trace {
  animation: crystal-trace var(--d, 600ms) var(--r, 0ms)
             cubic-bezier(.22,.7,.2,1) both;
}
.faisceau-parait {
  animation: crystal-parait 260ms var(--r, 0ms) ease-out both;
}
@media (prefers-reduced-motion: reduce) {
  .faisceau-trace  { animation: none; stroke-dashoffset: 0; }
  .faisceau-parait { animation: none; }
}

/* Les deux bouts du tir : l'entree se declare, la sortie se decouvre apres.
 * transform-box/origin : sans eux, un <g> SVG se met a l'echelle depuis le
 * coin haut-gauche du document et la pastille part a l'autre bout du
 * plateau au lieu de gonfler sur place. */
@keyframes crystal-entre {
  0%   { transform: scale(0.4); opacity: 0; }
  55%  { transform: scale(1.25); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}
@keyframes crystal-sort {
  0%, 38% { transform: scale(0.4); opacity: 0; }
  75%     { transform: scale(1.3); opacity: 1; }
  100%    { transform: scale(1); opacity: 1; }
}
.port.port-entre, .port.port-sort {
  transform-box: fill-box;
  transform-origin: center;
}
.port.port-entre { animation: crystal-entre 480ms cubic-bezier(.22,.7,.2,1) both; }
.port.port-sort  { animation: crystal-sort 900ms cubic-bezier(.22,.7,.2,1) both; }
@media (prefers-reduced-motion: reduce) {
  .port.port-entre, .port.port-sort { animation: none; }
}