[data-view="battle"][hidden] { display: none !important; }
.battle-view { display: grid; gap: 1rem; }
.battle-heading { display: flex; align-items: end; justify-content: space-between; gap: 1.25rem; padding: 1.4rem 0 .35rem; }
.battle-heading h1 { margin: .35rem 0 .7rem; font-size: clamp(2.5rem, 6vw, 5rem); line-height: .95; letter-spacing: -.06em; }
.battle-heading .hero-text { margin-bottom: 0; }
.battle-hud { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .65rem; padding: .8rem; }
.battle-hud > div { display: grid; gap: .15rem; padding: .8rem .9rem; border: 1px solid var(--border); border-radius: .9rem; background: rgba(2,6,23,.44); }
.battle-hud span { color: var(--muted); font-size: .65rem; text-transform: uppercase; letter-spacing: .12em; }
.battle-hud strong { font-size: 1rem; }
.battle-hud .momentum strong { color: var(--cyan); }
.battle-empty { display: grid; gap: .35rem; padding: 1.35rem; color: var(--muted); }
.battle-empty strong { color: var(--text); }
.battle-content { display: grid; gap: 1rem; }
.arena-panel { padding: 1rem; overflow: hidden; }
.arena-stage { position: relative; display: grid; gap: .8rem; padding: 1rem; border: 1px solid var(--border); border-radius: 1.1rem; background:
  radial-gradient(circle at 50% 50%, rgba(57,213,255,.08), transparent 30%),
  linear-gradient(180deg, rgba(139,92,246,.05), rgba(57,213,255,.04)); }
.arena-side-label { display: flex; align-items: center; justify-content: space-between; gap: .8rem; color: var(--muted); font-size: .68rem; text-transform: uppercase; letter-spacing: .12em; }
.arena-side-label strong { color: var(--text); font-size: .78rem; }
.arena-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .65rem; }
.arena-slot { position: relative; min-height: 132px; overflow: hidden; border: 1px solid var(--border); border-radius: 1rem; padding: 0; background: rgba(5,8,14,.72); color: var(--text); text-align: left; }
button.arena-slot { cursor: pointer; transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease; }
button.arena-slot:hover { transform: translateY(-2px); border-color: rgba(57,213,255,.42); }
.arena-slot.has-agent img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .82; }
.arena-slot.has-agent::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(4,7,12,.98) 4%, rgba(4,7,12,.44) 58%, rgba(4,7,12,.08)); }
.arena-slot-coord { position: absolute; z-index: 3; top: .55rem; left: .6rem; padding: .25rem .4rem; border-radius: 999px; background: rgba(3,6,12,.72); border: 1px solid rgba(255,255,255,.12); color: #cbd5e1; font-size: .58rem; font-weight: 900; letter-spacing: .08em; }
.arena-agent-copy { position: absolute; z-index: 3; left: .7rem; right: .7rem; bottom: .65rem; display: grid; gap: .12rem; }
.arena-agent-copy strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .95rem; }
.arena-agent-copy small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: #cbd5e1; font-size: .62rem; }
.arena-slot.is-empty { display: grid; place-items: center; align-content: center; gap: .25rem; border-style: dashed; color: var(--muted); }
.arena-slot.is-empty .empty-plus { font-size: 2rem; line-height: 1; color: var(--cyan); opacity: .72; }
.arena-slot.is-empty small { font-size: .68rem; }
.arena-slot.is-selected { border-color: var(--cyan); box-shadow: 0 0 0 2px rgba(57,213,255,.16), 0 14px 40px rgba(57,213,255,.10); }
.arena-slot.rarity-rare { border-color: rgba(96,165,250,.4); }
.arena-slot.rarity-epic { border-color: rgba(192,132,252,.46); }
.arena-slot.rarity-legend { border-color: rgba(250,204,21,.5); }
.enemy-ghost { display: grid; place-items: center; align-content: center; gap: .18rem; background: repeating-linear-gradient(135deg, rgba(139,92,246,.04) 0 12px, rgba(15,23,42,.18) 12px 24px); }
.enemy-ghost .enemy-mark { display: grid; place-items: center; width: 2.5rem; aspect-ratio: 1; border: 1px solid rgba(139,92,246,.28); border-radius: 50%; color: rgba(196,181,253,.62); font-size: 1.2rem; font-weight: 900; }
.enemy-ghost small { color: #64748b; font-size: .6rem; text-transform: uppercase; letter-spacing: .12em; }
.arena-objective { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .65rem; padding: .7rem 0; }
.arena-lane { display: grid; place-items: center; min-height: 54px; border-block: 1px solid rgba(57,213,255,.16); background: linear-gradient(90deg, transparent, rgba(57,213,255,.06), transparent); }
.arena-lane strong { color: var(--cyan); font-size: .68rem; letter-spacing: .16em; }
.arena-toolbar { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .9rem; align-items: center; padding-top: .95rem; }
.arena-toolbar-copy { display: grid; gap: .2rem; }
.arena-toolbar-copy strong { font-size: .9rem; }
.arena-toolbar-copy small { color: var(--muted); line-height: 1.45; }
#battle-status { min-height: 1rem; margin: .25rem 0 0; color: var(--muted); font-size: .75rem; }
#battle-status[data-tone="success"] { color: var(--green); }
#battle-status[data-tone="warning"] { color: #facc15; }
.arena-roster-section { display: grid; gap: .7rem; padding: 1rem; }
.arena-roster-section header { display: flex; align-items: end; justify-content: space-between; gap: 1rem; }
.arena-roster-section header h2 { margin: .25rem 0 0; font-size: 1.1rem; }
.arena-roster-section header small { color: var(--muted); }
.arena-roster-strip { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .55rem; }
.arena-roster-card { min-width: 0; display: grid; grid-template-columns: 44px minmax(0,1fr); align-items: center; gap: .55rem; padding: .5rem; border: 1px solid var(--border); border-radius: .8rem; background: rgba(2,6,23,.45); color: var(--text); cursor: pointer; text-align: left; }
.arena-roster-card img { width: 44px; height: 52px; border-radius: .55rem; object-fit: cover; }
.arena-roster-card span { min-width: 0; display: grid; gap: .1rem; }
.arena-roster-card strong, .arena-reserve-card strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .78rem; }
.arena-roster-card small, .arena-reserve-card small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); font-size: .58rem; }
.arena-roster-card.is-selected { border-color: var(--cyan); background: rgba(57,213,255,.08); box-shadow: 0 0 0 2px rgba(57,213,255,.10); }
.arena-reserves { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .55rem; }
.arena-reserve-card { min-width: 0; display: grid; grid-template-columns: 38px minmax(0,1fr); align-items: center; gap: .55rem; padding: .48rem; border: 1px solid var(--border); border-radius: .8rem; background: rgba(2,6,23,.32); }
.arena-reserve-card img { width: 38px; height: 46px; border-radius: .5rem; object-fit: cover; }
.arena-reserve-card div { min-width: 0; display: grid; gap: .08rem; }
@media (max-width: 900px) {
  .battle-hud { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .arena-roster-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .battle-heading { align-items: stretch; flex-direction: column; }
  .arena-panel { padding: .65rem; }
  .arena-stage { padding: .65rem; }
  .arena-grid { gap: .4rem; }
  .arena-slot { min-height: 104px; }
  .arena-slot-coord { font-size: .5rem; }
  .arena-agent-copy strong { font-size: .78rem; }
  .arena-agent-copy small { display: none; }
  .arena-toolbar { grid-template-columns: 1fr; }
  .arena-roster-strip { grid-template-columns: 1fr; }
  .arena-reserves { grid-template-columns: 1fr; }
}