/* Host-Lobby als „Arena" — Redesign 2b/2a/3a. Referenz: Claude-Design-Projekt
   „Nerdster Host-Lobby-Varianten". Spieler sind die Bühne, Einstellungen liegen
   in einem Overlay darüber. Auf einen 16:9-Bildschirm ausgelegt. */

/* Feste Bildschirmhöhe: Kopf und Fußleiste (Start-Knopf!) bleiben immer
   sichtbar, nur die Spielerbühne scrollt bei sehr vielen Spielern. */
.arena { position: relative; height: 100vh; overflow: hidden;
  background: radial-gradient(1400px 700px at 50% -20%, rgba(34, 211, 238, .14), transparent),
              radial-gradient(1000px 600px at 90% 120%, rgba(232, 121, 249, .12), transparent),
              var(--bg); }

/* Bewegtes Raster im Hintergrund. */
.arena-grid { position: absolute; inset: 0; opacity: .5; pointer-events: none;
  background-image: linear-gradient(rgba(42, 51, 85, .35) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(42, 51, 85, .35) 1px, transparent 1px);
  background-size: 80px 80px; animation: arena-drift 12s linear infinite; }
@keyframes arena-drift { to { background-position: 80px 80px; } }

.arena-inner { position: relative; height: 100%; display: flex; flex-direction: column;
  padding: clamp(20px, 3vw, 44px) clamp(24px, 4vw, 56px); }

/* --- Kopf: Marke + Code + QR --- */
.arena-head { display: flex; align-items: center; justify-content: space-between; }
.arena-head .logo { font-size: clamp(22px, 2.6vw, 38px); }
.arena-code { display: flex; align-items: center; gap: 22px; }
.arena-code .code-text { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.arena-code .code-text span { font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.arena-code .code-text b { font-family: "Display", ui-sans-serif, system-ui; font-style: italic;
  font-size: clamp(30px, 3vw, 46px); letter-spacing: .28em; color: var(--lime);
  text-shadow: 0 0 22px rgba(163, 230, 53, .55); line-height: 1; }
.arena-code .code-qr { width: clamp(84px, 8vw, 120px); aspect-ratio: 1; background: #fff;
  border-radius: 16px; padding: 8px; box-shadow: 0 0 40px rgba(34, 211, 238, .3); }
.arena-code .code-qr svg { width: 100%; height: 100%; display: block; }

/* --- Titel --- */
.arena-title { text-align: center; margin-top: clamp(16px, 2.4vw, 26px); }
.arena-title h1 { font-size: clamp(24px, 3vw, 34px); font-weight: 900; letter-spacing: .05em; color: var(--text); }
.arena-title h1 span { color: var(--cyan); }
.arena-title p { color: var(--muted); font-size: clamp(14px, 1.3vw, 17px); margin-top: 6px; }
.arena-title .url { color: var(--magenta); }
.arena-title .hl { color: var(--lime); }

/* --- Spielerbühne --- */
.stage { flex: 1; min-height: 0; display: flex; flex-direction: column; justify-content: center;
  margin-top: 10px; overflow-y: auto; }
.stage-head { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.stage-label { font-size: 13px; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.stage-line { height: 1px; flex: 1; background: var(--line); }
.stage-count { font-family: "Display", ui-sans-serif, system-ui; font-style: italic;
  font-size: clamp(16px, 1.6vw, 22px); color: var(--lime); }

.stage-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: clamp(12px, 1.4vw, 20px); }
.pcard { background: linear-gradient(180deg, var(--card), var(--surface));
  border: 1px solid var(--line); border-radius: 20px; padding: clamp(16px, 1.6vw, 26px) 16px;
  text-align: center; animation: arena-pop .4s ease both; }
@keyframes arena-pop { from { transform: scale(.6); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* Ring als Rahmen statt Innenabstand + überstehendes Bild clippen: iOS-Safari
   rundet ein <img> mit object-fit nicht, der Container-Clip muss es tun.
   box-sizing: border-box ist global gesetzt, der Rahmen frisst also keine Größe. */
.pcard-av { width: clamp(56px, 5vw, 78px); aspect-ratio: 1; box-sizing: border-box; display: block;
  margin: 0 auto 14px; border-radius: 50%; overflow: hidden;
  border: 4px solid var(--player, var(--lime)); background: var(--bg);
  box-shadow: 0 0 24px color-mix(in srgb, var(--player, var(--lime)) 45%, transparent); }
.pcard-av .avatar-art, .pcard-av .sprite { width: 100%; height: 100%;
  object-fit: cover; display: block; }
.pcard-name { font-weight: 800; font-size: clamp(16px, 1.4vw, 22px); }
.pcard-ready { display: inline-flex; align-items: center; gap: 5px; color: var(--lime);
  font-size: 14px; font-weight: 700; margin-top: 6px; }
.pcard-ready .icon { stroke: var(--lime); }

.pcard.open { border-style: dashed; display: flex; flex-direction: column; align-items: center;
  justify-content: center; color: var(--muted); background: none; animation: arena-wait 1.6s ease infinite; }
@keyframes arena-wait { 0%, 100% { opacity: 1; } 50% { opacity: .5; } }
.pcard-slot { width: clamp(56px, 5vw, 78px); aspect-ratio: 1; border-radius: 50%; border: 2px dashed var(--line);
  display: grid; place-items: center; margin-bottom: 12px; color: var(--muted); }

/* --- Fußleiste: Einstellungs-Chips + Start --- */
.arena-foot { display: flex; align-items: stretch; gap: 20px; margin-top: clamp(18px, 2.2vw, 26px); }

.set-summary { flex: 1; display: flex; align-items: center; gap: 14px; cursor: pointer;
  background: var(--surface); border: 1px solid var(--line); border-radius: 16px;
  padding: 12px 16px; color: var(--text); text-align: left; font: inherit;
  transition: border-color .15s, box-shadow .15s; }
.set-summary:hover { border-color: var(--cyan); box-shadow: 0 0 18px rgba(34, 211, 238, .2); }
.sum-chip { display: flex; align-items: center; gap: 12px; padding-right: 14px; border-right: 1px solid var(--line); }
.sum-label { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--muted); }
.sum-chip b { font-family: "Display", ui-sans-serif, system-ui; font-style: italic;
  font-size: clamp(16px, 1.5vw, 22px); color: var(--lime); }
.sum-chip:nth-child(3) b { color: var(--cyan); font-size: clamp(15px, 1.3vw, 18px); }
.sum-edit { margin-left: auto; display: inline-flex; align-items: center; gap: 7px;
  font-size: 13px; font-weight: 700; color: var(--cyan); }

.btn.arena-start { display: inline-flex; align-items: center; border-radius: 18px;
  padding: 0 clamp(28px, 3vw, 56px); font-size: clamp(18px, 1.8vw, 26px);
  animation: arena-glow 2.4s ease infinite; }
@keyframes arena-glow {
  0%, 100% { box-shadow: 0 0 24px rgba(34, 211, 238, .35); }
  50% { box-shadow: 0 0 48px rgba(34, 211, 238, .7); }
}
.arena-foot form { display: flex; }

/* --- Einstellungs-Overlay (3a) --- */
/* Mittig fixiert statt margin:auto — bei variabler Höhe zentriert das native
   <dialog> sonst nur waagerecht. */
.set-dialog { position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
  margin: 0; border: 0; padding: 0; background: transparent; width: min(760px, 92vw); max-height: 90vh; }
.set-dialog::backdrop { background: rgba(7, 9, 20, .72); backdrop-filter: blur(2px); }

/* color explizit setzen: Das native <dialog> erbt sonst Schwarz (UA-Default),
   und jeder Text ohne eigene Farbe — Titel, nicht gewählte Modus-Namen —
   verschwindet auf dem dunklen Panel. */
.set-panel { color: var(--text); border-radius: 24px; border: 1px solid var(--line); background: #0e1324;
  box-shadow: 0 40px 120px rgba(0, 0, 0, .6), 0 0 60px rgba(34, 211, 238, .15);
  padding: 32px 36px; display: flex; flex-direction: column; gap: 26px;
  max-height: 90vh; overflow-y: auto; }
.set-dialog[open] .set-panel { animation: set-in .18s ease both; }
@keyframes set-in { from { transform: scale(.96); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.set-panel-head { display: flex; align-items: center; justify-content: space-between; }
.set-panel-head .display { font-size: 24px; font-weight: 900; }
.set-close { width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line);
  display: grid; place-items: center; color: var(--muted); cursor: pointer; background: none; }
.set-close:hover { color: var(--text); border-color: var(--cyan); }

/* Regler untereinander mit Luft — als flex-Spalte, sonst greift der Abstand
   nicht (die Blöcke sind sonst nur 2 px auseinander). */
.set-controls { display: flex; flex-direction: column; gap: 26px; }
.set-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.set-label { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--muted); }
.set-sub { font-size: 13px; color: var(--muted); }
.set-value { font-family: "Display", ui-sans-serif, system-ui; font-style: italic; font-size: 34px;
  color: var(--lime); text-shadow: 0 0 18px rgba(163, 230, 53, .5); line-height: 1; }
.set-value span { font-size: 18px; color: var(--muted); margin-left: 4px; }

.set-time input[type="range"] { width: 100%; accent-color: var(--cyan); }

.chip-row { display: flex; gap: 10px; flex-wrap: wrap; }
.chip { flex: 1; min-width: 60px; position: relative; cursor: pointer; margin: 0; }
.chip input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.chip span { display: block; text-align: center; border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 4px; font-size: 15px; font-weight: 700; color: var(--muted); }
.chip.on span, .chip input:checked + span { border-color: var(--lime); color: var(--lime);
  font-weight: 800; background: rgba(163, 230, 53, .1); box-shadow: 0 0 14px rgba(163, 230, 53, .2); }

.mode-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.mode-card { position: relative; display: flex; flex-direction: column; cursor: pointer; margin: 0;
  border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--surface); }
.mode-card input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; z-index: 3; }
.mode-card.on { border: 2px solid var(--cyan); box-shadow: 0 0 24px rgba(34, 211, 238, .3); }
.mode-badge { position: absolute; top: 10px; right: 10px; z-index: 2; background: var(--cyan);
  color: var(--bg); font-weight: 900; font-size: 11px; padding: 3px 9px; border-radius: 999px; }
.mode-card .mode-preview { border: 0; border-radius: 0; aspect-ratio: 16/10; }
.mode-meta { padding: 12px 14px; }
.mode-name { font-weight: 800; font-size: 16px; }
.mode-card.on .mode-name { color: var(--cyan); }
.mode-hint { font-size: 12px; color: var(--muted); margin-top: 3px; }

.set-panel-foot { display: flex; justify-content: flex-end; }

@media (max-width: 720px) {
  .stage-grid { grid-template-columns: repeat(3, 1fr); }
  .arena-foot { flex-direction: column; }
  .mode-cards { grid-template-columns: 1fr; }
  .set-summary { flex-wrap: wrap; }
}