/* ===== ARENA — hub (#/arena) e admin (#/admin/arena) =====
   Solo stili delle viste arena.js e arenaAdmin.js; lobby, match e debrief stanno in arena-match.css.
   Colori: boss --danger, squadra --ok, punti/MVP --gold, Mentore --purple. Tema light via le variabili di app.css. */

/* ---- nav: la voce Arena con la pill non va a capo ---- */
#mainnav a[data-nav="arena"] { white-space: nowrap; }

/* ---- hub: banner "sei in una squadra" ---- */
.arena-banner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.2rem; padding: .9rem 1.1rem; border-radius: var(--radius); border: 1px solid var(--ok); background: linear-gradient(135deg, color-mix(in srgb, var(--ok) 18%, var(--surface)), var(--surface)); }
.arena-banner.playing { border-color: var(--danger); background: linear-gradient(135deg, color-mix(in srgb, var(--danger) 18%, var(--surface)), var(--surface)); animation: pulse 2.4s ease-in-out infinite; }
.arena-col { display: flex; flex-direction: column; gap: 1rem; min-width: 0; }
.arena-card-head { display: flex; align-items: center; justify-content: space-between; gap: .6rem; flex-wrap: wrap; margin-bottom: .4rem; }
.arena-card-head h3 { margin: 0; }

/* ---- lobby aperte ---- */
.arena-lobby-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: .5rem; }
.arena-lobby-row { display: flex; align-items: center; gap: .8rem; min-width: 0; padding: .6rem .8rem; border-radius: var(--radius-sm); background: var(--bg-2); border: 1px solid var(--line); }
.arena-lobby-row.mine { border-color: var(--ok); }
.arena-lobby-emoji { font-size: 1.7rem; width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--surface); border: 1px solid var(--line); flex: none; }
.arena-lobby-body { flex: 1; min-width: 0; }
.arena-lobby-name { font-weight: 700; }
.arena-lobby-mods { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.arena-code-input { font-family: var(--mono); font-size: 1.4rem; letter-spacing: .25em; text-transform: uppercase; text-align: center; }
.arena-emoji-input { font-size: 1.3rem; width: 5rem; text-align: center; }
.arena-emoji-row { display: flex; flex-wrap: wrap; gap: .25rem; margin-top: .4rem; }
.arena-emoji-row .btn { font-size: 1.1rem; padding: .2rem .45rem; }
.arena-mods { display: grid; gap: .3rem; margin-bottom: .8rem; }
.arena-mods label.check { margin: 0; }

/* ---- leaderboard ---- */
.arena-tabs { display: flex; flex-wrap: wrap; gap: .35rem; margin: .2rem 0 .8rem; }
.arena-tabs .btn.active { background: var(--surface-2); border-color: var(--accent); color: var(--text); box-shadow: inset 0 -2px 0 var(--accent); }
.arena-lb-body { min-height: 60px; }
.arena-podium li, .arena-teams li { align-items: center; padding: .5rem .6rem; background: var(--bg-2); }
.arena-podium li:nth-child(1) { background: linear-gradient(90deg, color-mix(in srgb, var(--gold) 22%, var(--surface)), var(--bg-2)); font-weight: 700; }
.arena-podium li:nth-child(2) { background: linear-gradient(90deg, color-mix(in srgb, #c0c6d4 22%, var(--surface)), var(--bg-2)); }
.arena-podium li:nth-child(3) { background: linear-gradient(90deg, color-mix(in srgb, var(--orange) 20%, var(--surface)), var(--bg-2)); }
.arena-podium .lv-n, .arena-teams .lv-n { font-size: 1.25rem; text-align: center; }
.arena-podium .lv-xp, .arena-teams .lv-xp, .arena-me-pts { color: var(--gold); font-weight: 800; white-space: nowrap; }
.arena-mini-avatar { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; font-size: .65rem; font-weight: 800; color: #fff; background: linear-gradient(135deg, var(--purple), var(--accent)); vertical-align: middle; }
.arena-mini-avatar.me { background: linear-gradient(135deg, var(--ok), var(--accent)); }
.arena-me { margin-top: .7rem; padding: .7rem .8rem; border-radius: var(--radius-sm); border: 1px dashed var(--line-2); background: color-mix(in srgb, var(--accent) 8%, var(--surface)); }
.arena-me.podium { border-style: solid; border-color: var(--gold); background: color-mix(in srgb, var(--gold) 12%, var(--surface)); }
.arena-me-row { display: flex; align-items: center; gap: .5rem; }
.arena-me-gap { margin-top: .3rem; font-size: .9rem; font-weight: 600; color: var(--accent-2); }
.arena-me-gap.ok { color: var(--gold); }
.arena-albo .badge-tile.locked { filter: grayscale(.6); }
/* tema light: l'oro puro su bianco non si legge, lo si scurisce */
[data-theme="light"] .arena-podium .lv-xp, [data-theme="light"] .arena-teams .lv-xp, [data-theme="light"] .arena-me-pts, [data-theme="light"] .arena-me-gap.ok, [data-theme="light"] .arena-stars { color: color-mix(in srgb, var(--gold) 55%, #6b4a00); }

/* ---- roster boss ---- */
.arena-boss-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: .6rem; }
.arena-boss { background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px; padding: .7rem .8rem; display: flex; flex-direction: column; gap: .3rem; border-top: 3px solid var(--line-2); }
.arena-boss.tier-1 { border-top-color: var(--ok); } .arena-boss.tier-2 { border-top-color: var(--accent); } .arena-boss.tier-3 { border-top-color: var(--purple); } .arena-boss.tier-4 { border-top-color: var(--danger); }
.arena-boss-head { display: flex; align-items: center; gap: .6rem; }
.arena-boss-emoji { font-size: 2rem; line-height: 1; }
.arena-boss-name { font-weight: 800; }
.arena-stars { color: var(--gold); letter-spacing: .05em; }
.arena-boss-tagline { font-style: italic; color: var(--muted); font-size: .88rem; }
.arena-boss-move { font-size: .86rem; padding: .35rem .5rem; border-radius: 8px; background: color-mix(in srgb, var(--warn) 14%, var(--surface)); }

/* ---- sidebar: storico e come funziona ---- */
.arena-history { list-style: none; margin: 0; padding: 0; display: grid; gap: .4rem; }
.arena-hist-row { display: flex; align-items: center; gap: .5rem; padding: .5rem .6rem; border-radius: var(--radius-sm); background: var(--bg-2); border-left: 3px solid var(--line-2); }
.arena-hist-row.win { border-left-color: var(--gold); } .arena-hist-row.draw { border-left-color: var(--warn); } .arena-hist-row.loss { border-left-color: var(--danger); } .arena-hist-row.aborted { opacity: .6; }
.arena-hist-main { flex: 1; min-width: 0; }
.arena-hist-teams { font-weight: 600; font-size: .92rem; }
.arena-how li { display: flex; gap: .5rem; align-items: flex-start; margin-bottom: .5rem; }
.arena-how-ic { flex: none; font-size: 1.1rem; }

/* ---- admin ---- */
.arena-admin-lb-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.arena-admin-lb-sec h4 { margin: .2rem 0 .4rem; }
.arena-admin-round-wrap { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .5rem .8rem; margin-bottom: .5rem; background: var(--bg-2); }
.arena-admin-round-wrap summary { cursor: pointer; }
.arena-admin-round { display: grid; gap: .45rem; margin-top: .6rem; padding-top: .6rem; border-top: 1px solid var(--line); }
.arena-admin-q { padding: .5rem .7rem; border-radius: 8px; background: var(--surface); }
.arena-admin-opts li { padding: .1rem 0; }
.arena-admin-chip { display: inline-block; padding: .05em .5em; border-radius: 999px; background: color-mix(in srgb, var(--accent) 20%, var(--surface)); font-family: var(--mono); font-size: .8rem; margin-left: .3em; }
.arena-admin-chat { max-height: 60vh; overflow-y: auto; }
.arena-admin-mi { margin-top: .5rem; padding: .5rem .7rem; border-radius: 8px; background: color-mix(in srgb, var(--purple) 12%, var(--surface)); }
.arena-ok { color: var(--ok); font-weight: 600; } .arena-ko { color: var(--danger); font-weight: 600; }

/* ---- responsive ---- */
@media (max-width: 960px) { .arena-admin-lb-grid { grid-template-columns: 1fr; } }
@media (max-width: 600px) {
  .arena-banner .btn { width: 100%; }
  .arena-lobby-row { flex-wrap: wrap; } .arena-lobby-row > .btn { width: 100%; }
  .arena-boss-grid { grid-template-columns: 1fr; }
  .arena-tabs .btn { flex: 1 1 45%; }
}