/* UNDERTHEGUN : écrans de préparation d'une partie (Contre des bots, Partie privée). Préfixe su-. */
.su { --su-panel: #111D32; --su-field: #192840; --su-steel: #26375A; --su-cyan: #4FD8FF; --su-gold: #F5BD45;
  max-width: 600px; margin: 0 auto; padding-block: 18px 28px; display: flex; flex-direction: column; gap: 16px; }
.su-head { display: flex; flex-direction: column; gap: 6px; }
.su-kicker { display: inline-flex; align-items: center; gap: 8px; font: 800 11.5px/1 var(--body); letter-spacing: .14em; text-transform: uppercase; color: var(--su-cyan); }
.su-kicker::before { content: ""; width: 18px; height: 2px; border-radius: 2px; background: var(--su-cyan); box-shadow: 0 0 8px rgba(79,216,255,.6); }
.su-head h1 { margin: 0; font: 900 clamp(30px, 6vw, 40px)/.95 var(--display); text-transform: uppercase; letter-spacing: .01em; }
.su-head p { margin: 0; color: var(--muted); font-size: 15px; }

.su-panel { background: var(--su-panel); border: 1px solid var(--su-steel); border-radius: 20px; overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04), 0 24px 48px -28px rgba(0,0,0,.8); }
.su-sec { padding: 16px 18px; display: flex; flex-direction: column; gap: 10px; }
.su-sec[hidden] { display: none; }
.su-sec + .su-sec { border-top: 1px solid rgba(38,55,90,.7); }
.su-lbl { margin: 0; display: flex; align-items: baseline; justify-content: space-between; gap: 10px; font: 800 11.5px/1 var(--body); letter-spacing: .13em; text-transform: uppercase; color: #9FB0CC; }
.su-lbl .su-aside { font: 700 12.5px/1 var(--body); letter-spacing: 0; text-transform: none; color: var(--su-gold); }
.su-in { width: 100%; height: 50px; padding: 0 16px; border-radius: 12px; border: 1px solid var(--su-steel); background: var(--su-field); color: var(--ink); font: 700 17px/1 var(--body); }
.su-in::placeholder { color: #5D6E8C; font-weight: 600; }
.su-in:focus { outline: none; border-color: var(--su-cyan); box-shadow: 0 0 0 3px rgba(79,216,255,.15); }
select.su-in { appearance: none; -webkit-appearance: none; background-image: linear-gradient(45deg, transparent 50%, #9FB0CC 50%), linear-gradient(135deg, #9FB0CC 50%, transparent 50%);
  background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 40px; }
.su-help { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.4; min-height: 1.4em; }

/* Sélecteurs segmentés et pastilles */
.su .seg { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); gap: 4px; padding: 4px; border-radius: 14px; border: 1px solid var(--su-steel); background: var(--su-field); flex-wrap: nowrap; }
.su .seg button { min-height: 44px; padding: 0 6px; border-radius: 10px; font: 800 14.5px/1 var(--body); color: #B4C1D8; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: background .15s, color .15s; }
.su .seg button:hover { color: var(--ink); background: rgba(255,255,255,.04); }
.su .seg button[aria-pressed="true"] { background: var(--su-gold); color: #241500; box-shadow: 0 2px 0 #B9861F; }
.su .seg.su-flow { display: flex; flex-wrap: wrap; }
.su .seg.su-flow button { flex: 1 1 calc(33.33% - 4px); }
.su .seg.su-chips { display: flex; gap: 10px; padding: 0; border: 0; background: none; }
.su .seg.su-chips button { flex: 1; min-height: 50px; border-radius: 12px; border: 1px solid var(--su-steel); background: var(--su-field); font: 900 22px/1 var(--display); }
.su .seg.su-chips button[aria-pressed="true"] { border-color: var(--su-gold); }
.su .seg button:focus-visible { outline: 2px solid var(--su-cyan); outline-offset: 2px; }

/* Interrupteur */
.su-switch { display: flex; align-items: center; gap: 14px; cursor: pointer; min-height: 44px; }
.su-switch > span { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.su-switch b { font-weight: 800; font-size: 15px; }
.su-switch small { color: var(--muted); font-size: 13px; line-height: 1.35; }
.su-switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.su-switch i { flex: none; width: 48px; height: 28px; border-radius: 999px; background: var(--su-field); border: 1px solid var(--su-steel); position: relative; transition: background .15s, border-color .15s; }
.su-switch i::after { content: ""; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; border-radius: 50%; background: #9FB0CC; transition: transform .18s, background .15s; }
.su-switch input:checked + i { background: rgba(245,189,69,.2); border-color: var(--su-gold); }
.su-switch input:checked + i::after { transform: translateX(20px); background: var(--su-gold); }
.su-switch input:focus-visible + i { outline: 2px solid var(--su-cyan); outline-offset: 2px; }

/* Réglages repliables (partie privée) */
.su-adv { border: 0; }
.su-adv > summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 18px; }
.su-adv > summary::-webkit-details-marker { display: none; }
.su-adv > summary .su-lbl { flex-direction: column; align-items: flex-start; gap: 6px; }
.su-adv > summary small { font: 600 13.5px/1.35 var(--body); letter-spacing: 0; text-transform: none; color: var(--ink); }
.su-adv > summary::after { content: ""; flex: none; width: 9px; height: 9px; border-right: 2px solid #9FB0CC; border-bottom: 2px solid #9FB0CC; transform: rotate(45deg); margin-right: 4px; transition: transform .15s; }
.su-adv[open] > summary::after { transform: rotate(-135deg); }
.su-adv[open] > summary { border-bottom: 1px solid rgba(38,55,90,.7); }
.su-adv .su-sec + .su-sec { border-top: 0; padding-top: 4px; }

/* Bouton principal */
.su-cta { padding: 14px 18px 18px; border-top: 1px solid rgba(38,55,90,.7); display: flex; flex-direction: column; gap: 8px; }
.su-go { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; min-height: 56px; border: 0; border-radius: 14px; cursor: pointer;
  background: var(--su-gold); color: #241500; font: 900 20px/1 var(--display); letter-spacing: .06em; text-transform: uppercase; box-shadow: 0 4px 0 #B9861F, 0 14px 30px -12px rgba(245,189,69,.55); }
.su-go svg { width: 20px; height: 20px; }
.su-go:active { transform: translateY(2px); box-shadow: 0 2px 0 #B9861F; }
.su-go:disabled { opacity: .7; cursor: progress; }
.su .msg { margin: 0; color: #FF8A84; font-size: 14px; font-weight: 700; }
.su .msg:empty { display: none; }
.su-note { margin: 0; color: var(--muted); font-size: 12.5px; text-align: center; }

/* Rejoindre (partie privée) */
.su-join .su-row { display: flex; gap: 8px; }
.su-join .su-in { flex: 1; min-width: 0; letter-spacing: .16em; text-transform: uppercase; }
.su-join .su-in::placeholder { letter-spacing: .1em; }
.su-join button { flex: none; height: 50px; padding: 0 18px; border-radius: 12px; border: 1px solid rgba(79,216,255,.45); background: none; color: var(--su-cyan); font: 800 15px/1 var(--body); cursor: pointer; }

@media (max-width: 640px) {
  .su { padding-block: 12px 20px; gap: 12px; }
  .su-head h1 { font-size: 30px; }
  .su-sec { padding: 14px 16px; }
  .su .seg button { font-size: 14px; }
}
@media (max-width: 360px) { .su .seg button { font-size: 13px; padding: 0 4px; } .su .seg.su-chips { gap: 6px; } }
.su .seg.su-chips button[aria-pressed="true"] { background: var(--su-gold); color: #241500; }
@media (max-width: 640px) { .su #b-level button { font-size: 13.5px; padding: 0 2px; text-overflow: clip; } }
@media (max-width: 360px) { .su #b-level button { font-size: 12px; letter-spacing: -.01em; } }