/* ===================================================================
   CardForge Arena — Complete Redesign
   Style: Retro-Futurism (neon glow, CRT scanlines, deep space)
   Design System: ui-ux-pro-max persisted → design-system/cardforge-arena/
   =================================================================== */

/* ===== ARENA DESIGN TOKENS ===== */
:root {
  --arena-bg: #020617;
  --arena-surface: #0F172A;
  --arena-surface-raised: #1E293B;
  --arena-text: #F8FAFC;
  --arena-text-muted: #94A3B8;
  --arena-text-dim: #64748B;
  --arena-win: #22C55E;
  --arena-loss: #F43F5E;
  --arena-xp: #A78BFA;
  --arena-energy: #3B82F6;
  --arena-gold: #F59E0B;
  --arena-border: rgba(148, 163, 184, 0.08);
  --arena-border-subtle: rgba(148, 163, 184, 0.04);
  --arena-glow-purple: rgba(139, 92, 246, 0.3);
  --arena-glow-green: rgba(34, 197, 94, 0.3);
  --arena-glow-red: rgba(244, 63, 94, 0.3);
  --arena-glow-blue: rgba(59, 130, 246, 0.3);
  --arena-glow-gold: rgba(245, 158, 11, 0.3);
}

/* ===== GLOBAL ARENA CANVAS ===== */
body:has(.arena-screen.active) {
  background: var(--arena-bg);
  color: var(--arena-text);
}

.arena-screen {
  display: none;
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}
.arena-screen.active { display: block; }

/* ===== CRT SCANLINE OVERLAY ===== */
.arena-scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: var(--cf-z-chrome, 100);
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
  opacity: 0.4;
}

@media (prefers-reduced-motion: reduce) {
  .arena-scanlines { display: none; }
}

/* ===== TOP BAR ===== */
.arena-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: rgba(15, 23, 42, 0.85);
  border-bottom: 1px solid var(--arena-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: var(--cf-z-page-bar, 1500);
  min-height: 56px;
}

.arena-topbar__back {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--arena-text-muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.15s ease;
}
.arena-topbar__back:hover { color: var(--arena-xp); }

.arena-topbar__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
}
.arena-topbar__title {
  font-family: 'Rajdhani', 'Inter', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--arena-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.arena-topbar__title i { color: var(--arena-xp); }
.arena-topbar__tagline {
  font-size: 0.65rem;
  font-weight: 500;
  font-family: 'Orbitron', monospace;
  color: var(--arena-text-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.arena-topbar__profile {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
}

/* ===== AUDIO CONTROLS ===== */
.arena-topbar__actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.arena-audio-toggle {
  background: none;
  border: 1px solid var(--arena-border);
  border-radius: 8px;
  color: var(--arena-text-muted);
  cursor: pointer;
  padding: 0.35rem 0.5rem;
  font-size: 0.85rem;
  transition: color 0.2s ease, border-color 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.arena-audio-toggle__label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.arena-audio-toggle:hover {
  color: var(--arena-text);
  border-color: var(--arena-xp);
}
.arena-audio-toggle--muted {
  color: var(--arena-text-muted);
  opacity: 0.45;
}
.arena-music-control {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  border: 1px solid var(--arena-border);
  border-radius: 8px;
  padding: 0.2rem 0.4rem;
  transition: opacity 0.2s ease;
}
.arena-music-control--muted {
  opacity: 0.45;
}
.arena-music-control .arena-audio-toggle {
  border: none;
  padding: 0.15rem 0.2rem;
  opacity: 1; /* never dim the button itself inside the grouped control */
}
.arena-music-volume {
  -webkit-appearance: none;
  appearance: none;
  width: 64px;
  height: 3px;
  border-radius: 2px;
  background: var(--arena-border);
  outline: none;
  cursor: pointer;
  accent-color: var(--arena-xp);
}
.arena-music-volume:disabled {
  opacity: 0.3;
  cursor: default;
}

/* ===== RANK BADGE ===== */
.arena-rank-badge {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(139, 92, 246, 0.12);
  border: 1.5px solid rgba(139, 92, 246, 0.3);
  font-size: 0.7rem;
  color: var(--arena-xp);
  transition: all 0.2s ease;
}
.arena-rank-badge--lg {
  width: 56px;
  height: 56px;
  font-size: 1.4rem;
  border-width: 2px;
  box-shadow: 0 0 20px var(--arena-glow-purple);
}

.arena-record {
  font-family: 'Orbitron', monospace;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--arena-text-muted);
  letter-spacing: 0.04em;
}

/* ===== LEADERBOARD ===== */

.arena-leaderboard {
  margin-top: 0.5rem;
}

.arena-lb-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-bottom: 0.75rem;
}

.arena-lb-sort {
  display: flex;
  gap: 0.25rem;
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
  padding: 0.2rem;
}

.arena-lb-sort-btn {
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: var(--arena-text-muted, #8888aa);
  font-size: 0.72rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.12s ease;
  min-height: 32px;
}

.arena-lb-sort-btn:hover {
  background: rgba(255,255,255,0.06);
  color: var(--arena-text-primary, #e1e1ff);
}

.arena-lb-sort-btn.active {
  background: var(--arena-glow-purple, rgba(124, 58, 237, 0.2));
  color: #c4b5fd;
}

.arena-lb-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.arena-lb-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 8px;
  transition: background 0.12s ease;
}

.arena-lb-row:hover {
  background: rgba(255,255,255,0.06);
}

.arena-lb-row--you {
  background: rgba(124, 58, 237, 0.1);
  border-color: rgba(124, 58, 237, 0.3);
}

.arena-lb-rank {
  width: 32px;
  text-align: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.arena-lb-rank-num {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--arena-text-muted, #8888aa);
}

.arena-lb-player {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.arena-lb-name {
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.arena-lb-tier {
  font-size: 0.68rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.arena-lb-tier i { font-size: 0.6rem; }

.arena-lb-stats {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.72rem;
  color: var(--arena-text-muted, #8888aa);
  flex-shrink: 0;
}

.arena-lb-xp {
  font-weight: 600;
  color: #fbbf24;
}

.arena-lb-xp i { font-size: 0.6rem; margin-right: 0.15rem; }

.arena-lb-record { white-space: nowrap; }

.arena-lb-winrate {
  font-weight: 600;
  color: var(--arena-text-primary, #e1e1ff);
  min-width: 36px;
  text-align: right;
}

@media (max-width: 600px) {
  .arena-lb-row {
    gap: 0.5rem;
    padding: 0.5rem 0.5rem;
  }
  .arena-lb-stats {
    flex-direction: column;
    align-items: flex-end;
    gap: 0.15rem;
    font-size: 0.65rem;
  }
  .arena-lb-sort-btn {
    min-height: 44px;
    padding: 0.4rem 0.6rem;
  }
}

/* ===== TUTORIAL OVERLAY ===== */

.arena-tutorial-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.arena-tutorial-welcome {
  background: #141428;
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  text-align: center;
  max-width: 400px;
  width: 90%;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
}

.arena-tutorial-welcome__icon {
  font-size: 2.5rem;
  color: #7c3aed;
  margin-bottom: 1rem;
}

.arena-tutorial-welcome h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.arena-tutorial-welcome p {
  color: #a0a0c0;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.arena-tutorial-welcome__actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
}

.arena-tutorial-tooltip {
  position: fixed;
  z-index: 9001;
  background: #1e1e38;
  border: 1px solid rgba(124, 58, 237, 0.4);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  max-width: 280px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5), 0 0 16px rgba(124, 58, 237, 0.15);
  animation: arena-tutorial-pulse 2s ease-in-out infinite;
}

@keyframes arena-tutorial-pulse {
  0%, 100% { box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5), 0 0 16px rgba(124, 58, 237, 0.15); }
  50% { box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5), 0 0 24px rgba(124, 58, 237, 0.35); }
}

.arena-tutorial-tooltip__arrow {
  position: absolute;
  bottom: -6px;
  left: 50%;
  width: 12px;
  height: 12px;
  background: #1e1e38;
  border-right: 1px solid rgba(124, 58, 237, 0.4);
  border-bottom: 1px solid rgba(124, 58, 237, 0.4);
  transform: translateX(-50%) rotate(45deg);
}

.arena-tutorial-tooltip__text {
  font-size: 0.82rem;
  line-height: 1.5;
  color: #e1e1ff;
  margin-bottom: 0.5rem;
}

.arena-tutorial-skip-btn {
  font-size: 0.7rem;
  color: #6a6a8a;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.2rem 0;
  font-family: inherit;
}

.arena-tutorial-skip-btn:hover { color: #a0a0c0; }

.arena-tutorial-highlight {
  position: relative;
  z-index: 9002;
  animation: arena-tutorial-glow 1.5s ease-in-out infinite;
}

@keyframes arena-tutorial-glow {
  0%, 100% { box-shadow: 0 0 8px rgba(124, 58, 237, 0.3); }
  50% { box-shadow: 0 0 20px rgba(124, 58, 237, 0.6), 0 0 40px rgba(124, 58, 237, 0.2); }
}

@media (max-width: 768px) {
  .arena-tutorial-tooltip {
    bottom: auto !important;
    left: 50% !important;
    transform: translateX(-50%);
    max-width: 85vw;
  }
  .arena-tutorial-tooltip__arrow {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .arena-tutorial-tooltip,
  .arena-tutorial-highlight {
    animation: none;
  }
}

/* ===== AUTH LINKS ===== */
.arena-auth-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--arena-xp);
  text-decoration: none;
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.arena-auth-link:hover {
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.5);
}
.arena-auth-link--logout {
  color: var(--arena-text-muted);
  border-color: rgba(255, 255, 255, 0.1);
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
}
.arena-auth-link--logout:hover { color: var(--arena-loss); border-color: rgba(244, 63, 94, 0.3); }

.arena-user-status {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--arena-text-muted);
}
.arena-user-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--arena-win);
  box-shadow: 0 0 6px var(--arena-glow-green);
}

/* ===== BUTTONS ===== */
.arena-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.2rem;
  border: 1px solid transparent;
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}
.arena-btn--primary {
  background: linear-gradient(135deg, var(--arena-xp) 0%, #7C3AED 100%);
  color: #fff;
  border-color: rgba(139, 92, 246, 0.3);
}
.arena-btn--primary:hover {
  filter: brightness(1.15);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--arena-glow-purple);
}
.arena-btn--ghost {
  background: transparent;
  color: var(--arena-text-muted);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.arena-btn--ghost:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--arena-text);
}
.arena-btn--sm { padding: 0.35rem 0.7rem; font-size: 0.78rem; }

/* ===== DEMO BANNER ===== */
.arena-demo-banner {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1rem;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 8px;
  font-size: 0.82rem;
  color: var(--arena-text-muted);
  margin-bottom: 1.5rem;
}
.arena-demo-banner i { color: var(--arena-gold); font-size: 1rem; }
.arena-demo-banner a { color: var(--arena-xp); text-decoration: underline; font-weight: 600; }

/* ===== AUTH GATE ===== */
.arena-auth-gate {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 2rem;
  gap: 1rem;
  min-height: 50vh;
}
.arena-auth-gate__icon { font-size: 2.5rem; color: var(--arena-gold); }
.arena-auth-gate h2 { font-family: 'Rajdhani', sans-serif; font-size: 1.5rem; font-weight: 700; }
.arena-auth-gate p { color: var(--arena-text-muted); max-width: 320px; }

/* ===== SECTION TITLES ===== */
.arena-section {
  margin-bottom: 2rem;
}
.arena-section__title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--arena-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.arena-section__title i { color: var(--arena-xp); font-size: 0.8rem; }

/* ===== HERO: CHAMPION + RANK HUD ===== */
.arena-hero {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 1.5rem;
  margin-bottom: 2rem;
  align-items: stretch;
}

/* --- Champion Section --- */
.arena-champion-section {
  min-height: 200px;
}
.arena-champion {
  padding: 1.75rem 2rem;
  background: var(--arena-surface);
  border: 1px solid var(--arena-border);
  border-radius: 16px;
  position: relative;
  overflow: hidden;
  height: 100%;
  box-sizing: border-box;
  display: flex;
  align-items: center;
}
.arena-champion::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 30% 80%, rgba(139, 92, 246, 0.04) 0%, transparent 60%);
  pointer-events: none;
}
.arena-champion__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 2rem;
  color: var(--arena-text-dim);
  text-align: center;
}
.arena-champion__empty i { font-size: 2rem; color: var(--arena-xp); opacity: 0.4; }
.arena-champion__empty p { font-size: 0.85rem; }

/* Champion card with stats (rendered by JS) */
.arena-champion__card {
  display: flex;
  gap: 1.5rem;
  width: 100%;
}
.arena-champion__avatar {
  width: 180px;
  height: 180px;
  border-radius: 16px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--arena-xp);
  flex-shrink: 0;
  border: 2px solid rgba(139, 92, 246, 0.25);
  box-shadow: 0 0 20px var(--arena-glow-purple), 0 4px 16px rgba(0, 0, 0, 0.4);
}
.arena-champion__avatar img { width: 100%; height: 100%; object-fit: cover; }
.arena-champion__name {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--arena-text);
}
.arena-champion__class { font-size: 0.8rem; color: var(--arena-text-dim); margin-bottom: 0.3rem; }
.arena-champion__quote { font-size: 0.78rem; color: var(--arena-text-dim); font-style: italic; margin-bottom: 0.5rem; }
.arena-champion__info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.arena-champion__stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  justify-content: start;
  gap: 0.4rem 1.25rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--arena-text-muted);
  margin-top: 0.5rem;
}
.arena-champion__stats span { display: flex; align-items: center; gap: 0.3rem; white-space: nowrap; }
.arena-champion__stats i { color: var(--arena-xp); font-size: 0.65rem; }
.arena-champion__hp { color: var(--arena-win); }
.arena-champion__hp i { color: var(--arena-win); }
.arena-champion__nudge {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--arena-gold);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.arena-champion__record {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.35rem;
}
.arena-champion__record-pill {
  font-family: 'Orbitron', monospace;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

/* --- Rank HUD --- */
.arena-rank-hud {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 1.25rem;
  background: var(--arena-surface);
  border: 1px solid var(--arena-border);
  border-radius: 16px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.arena-rank-hud::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 120%;
  height: 80%;
  background: radial-gradient(ellipse, rgba(139, 92, 246, 0.06) 0%, transparent 70%);
  pointer-events: none;
}
.arena-rank-hud__insignia {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.arena-rank-label {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--arena-text);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.arena-rank-hud__xp {
  width: 100%;
}
.arena-progress__bar {
  height: 12px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(139, 92, 246, 0.08);
}
.arena-progress__bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--arena-xp), #7C3AED);
  border-radius: 6px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 10px var(--arena-glow-purple), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}
.arena-progress__xp-text {
  font-family: 'Orbitron', monospace;
  font-size: 0.68rem;
  color: var(--arena-text-dim);
  margin-top: 0.35rem;
  text-align: center;
}

.arena-rank-hud__stats {
  display: flex;
  gap: 0.5rem;
}
.arena-stat-pill {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.6rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--arena-border);
  border-radius: 6px;
  font-family: 'Orbitron', monospace;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--arena-text-muted);
}
.arena-stat-pill i { font-size: 0.6rem; }
.arena-stat-pill--win { color: var(--arena-win); border-color: rgba(34, 197, 94, 0.15); }
.arena-stat-pill--loss { color: var(--arena-loss); border-color: rgba(244, 63, 94, 0.15); }
.arena-stat-pill--level { color: var(--arena-gold); border-color: rgba(245, 158, 11, 0.15); }

/* ===== CARD STRIP / ROSTER ===== */
.arena-card-strip {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  padding: 0.75rem 0.5rem;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: rgba(139, 92, 246, 0.2) transparent;
}
.arena-card-strip::-webkit-scrollbar { height: 4px; }
.arena-card-strip::-webkit-scrollbar-track { background: transparent; }
.arena-card-strip::-webkit-scrollbar-thumb { background: rgba(139, 92, 246, 0.25); border-radius: 4px; }

.arena-card-thumb {
  flex-shrink: 0;
  width: 120px;
  padding: 0.6rem;
  border: 1px solid var(--arena-border);
  border-radius: 12px;
  background: var(--arena-surface);
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--arena-text);
  font-family: 'Inter', sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.arena-card-thumb:hover {
  border-color: rgba(139, 92, 246, 0.3);
  background: var(--arena-surface-raised);
  transform: translateY(-2px);
}
.arena-card-thumb--selected {
  border: 2px solid var(--arena-xp) !important;
  background: rgba(139, 92, 246, 0.15);
  box-shadow: 0 0 24px rgba(139, 92, 246, 0.5), 0 0 48px rgba(139, 92, 246, 0.15), inset 0 0 16px rgba(139, 92, 246, 0.08);
  transform: translateY(-5px) scale(1.04);
}
.arena-card-thumb--selected .arena-card-thumb__avatar {
  border: 2px solid var(--arena-xp);
  box-shadow: 0 0 12px var(--arena-glow-purple);
}
.arena-card-thumb--selected .arena-card-thumb__name {
  color: #C4B5FD;
  text-shadow: 0 0 8px rgba(139, 92, 246, 0.4);
}
.arena-card-thumb--selected .arena-card-thumb__class {
  color: var(--arena-text-muted);
}
.arena-card-thumb__avatar {
  width: 64px;
  height: 64px;
  min-width: 64px;
  min-height: 64px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 0.35rem;
  background: rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
}
.arena-card-thumb__avatar img { width: 100%; height: 100%; object-fit: cover; }
.arena-card-thumb__name {
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.arena-card-thumb__class {
  font-size: 0.65rem;
  color: var(--arena-text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

/* ===== MODE SELECT — BENTO GRID ===== */
.arena-modes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.arena-mode-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--arena-border);
  border-radius: 14px;
  background: var(--arena-surface);
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--arena-text);
  font-family: 'Inter', sans-serif;
  overflow: hidden;
  text-align: left;
}
.arena-mode-card__glow {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.arena-mode-card--pve .arena-mode-card__glow {
  background: radial-gradient(ellipse at 15% 50%, rgba(244, 63, 94, 0.08) 0%, transparent 70%);
}
.arena-mode-card--pvp .arena-mode-card__glow {
  background: radial-gradient(ellipse at 15% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
}
.arena-mode-card--pve { border-color: rgba(244, 63, 94, 0.1); }
.arena-mode-card--pvp { border-color: rgba(59, 130, 246, 0.1); }
.arena-mode-card:hover:not(:disabled) .arena-mode-card__glow { opacity: 1; }

.arena-mode-card--pve:hover:not(:disabled) {
  border-color: rgba(244, 63, 94, 0.25);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 12px rgba(244, 63, 94, 0.08);
}
.arena-mode-card--pvp:hover:not(:disabled) {
  border-color: rgba(59, 130, 246, 0.25);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 12px rgba(59, 130, 246, 0.08);
}
.arena-mode-card:disabled { opacity: 0.35; cursor: not-allowed; }

.arena-mode-card__icon {
  font-size: 1.8rem;
  flex-shrink: 0;
  width: 48px;
  text-align: center;
}
.arena-mode-card--pve .arena-mode-card__icon { color: var(--arena-loss); }
.arena-mode-card--pvp .arena-mode-card__icon { color: var(--arena-energy); }

.arena-mode-card__content { flex: 1; min-width: 0; }
.arena-mode-card__title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}
.arena-mode-card__desc { font-size: 0.78rem; color: var(--arena-text-muted); }
.arena-mode-card__cta {
  color: var(--arena-text-dim);
  font-size: 0.9rem;
  transition: color 0.2s ease, transform 0.2s ease;
}
.arena-mode-card:hover:not(:disabled) .arena-mode-card__cta {
  color: var(--arena-xp);
  transform: translateX(3px);
}

/* ===== RANK REWARDS ===== */
.arena-rewards__toggle {
  background: none;
  border: none;
  color: var(--arena-text-dim);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 0.2rem 0.4rem;
  margin-left: auto;
  transition: color 0.2s ease;
}
.arena-rewards__toggle:hover { color: var(--arena-xp); }

.arena-rewards {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.arena-rewards__tier {
  border: 1px solid var(--arena-border);
  border-radius: 10px;
  overflow: hidden;
  transition: opacity 0.2s ease;
}
.arena-rewards__tier--locked { opacity: 0.4; }
.arena-rewards__tier--unlocked { opacity: 1; }
.arena-rewards__tier--current {
  border-color: rgba(139, 92, 246, 0.25);
  background: rgba(139, 92, 246, 0.04);
  opacity: 1;
}
.arena-rewards__tier-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.8rem;
  font-size: 0.82rem;
  font-weight: 600;
}
.arena-rewards__tier-body {
  padding: 0.4rem 0.8rem 0.6rem;
  font-size: 0.75rem;
  color: var(--arena-text-muted);
  border-top: 1px solid rgba(148, 163, 184, 0.04);
}

/* ===== HISTORY LINK ===== */
.arena-history-link {
  background: none;
  border: none;
  color: var(--arena-xp);
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 600;
  margin-left: auto;
  padding: 0.2rem 0.4rem;
  transition: opacity 0.2s ease;
}
.arena-history-link:hover { opacity: 0.7; }

/* ===== MATCH LIST ===== */
.arena-match-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.arena-match-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.8rem 0.6rem 1rem;
  border: 1px solid var(--arena-border);
  border-left: 3px solid var(--arena-text-dim);
  border-radius: 10px;
  background: var(--arena-surface);
  font-size: 0.8rem;
  transition: all 0.15s ease;
}
.arena-match-item--win {
  border-left-color: var(--arena-win);
  background: linear-gradient(90deg, rgba(34, 197, 94, 0.03) 0%, var(--arena-surface) 30%);
}
.arena-match-item--loss {
  border-left-color: var(--arena-loss);
  background: linear-gradient(90deg, rgba(244, 63, 94, 0.03) 0%, var(--arena-surface) 30%);
}
.arena-match-item--draw {
  border-left-color: var(--arena-gold);
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.03) 0%, var(--arena-surface) 30%);
}
.arena-match-item:hover { border-color: rgba(255, 255, 255, 0.08); transform: translateX(2px); }
.arena-match-item--win:hover { border-left-color: var(--arena-win); }
.arena-match-item--loss:hover { border-left-color: var(--arena-loss); }
.arena-match-item--draw:hover { border-left-color: var(--arena-gold); }
.arena-match-item__icon { font-size: 0.9rem; flex-shrink: 0; width: 24px; text-align: center; }
.arena-match-item--win .arena-match-item__icon { color: var(--arena-win); }
.arena-match-item--loss .arena-match-item__icon { color: var(--arena-loss); }
.arena-match-item--draw .arena-match-item__icon { color: var(--arena-gold); }
.arena-match-item__info { flex: 1; color: var(--arena-text-muted); }
.arena-match-item__result { font-weight: 700; }
.arena-match-item--win .arena-match-item__result { color: var(--arena-win); }
.arena-match-item--loss .arena-match-item__result { color: var(--arena-loss); }
.arena-match-item__type { font-size: 0.72rem; color: var(--arena-text-dim); }
.arena-match-item__meta { display: flex; flex-direction: column; align-items: flex-end; gap: 0.1rem; }
.arena-match-item__xp { font-size: 0.75rem; color: var(--arena-xp); font-weight: 600; font-family: 'Orbitron', monospace; }
.arena-match-item__time { font-size: 0.65rem; color: var(--arena-text-dim); }

.arena-empty-state {
  padding: 2.5rem 2rem;
  text-align: center;
  color: var(--arena-text-dim);
  font-size: 0.85rem;
  background: rgba(255, 255, 255, 0.01);
  border: 1px dashed rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  font-family: 'Rajdhani', sans-serif;
  letter-spacing: 0.02em;
}
.arena-empty-state::before {
  content: '\f11b'; /* fa-gamepad */
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  display: block;
  font-size: 2rem;
  color: rgba(255, 255, 255, 0.06);
  margin-bottom: 0.75rem;
}

/* ===== SCREEN HEADER (PvE, PvP, History) ===== */
.arena-screen__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.arena-screen__header h2 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.arena-screen__header h2 i { color: var(--arena-xp); }

/* ===== PVE BOSS TOWER ===== */
.arena-boss-tower {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
/* Keep legacy class for JS compat */
.arena-boss-ladder {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.arena-boss-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border: 1px solid rgba(139, 92, 246, 0.08);
  border-left: 3px solid var(--arena-xp);
  border-radius: 12px;
  background: var(--arena-surface);
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}
.arena-boss-card:not(.arena-boss-card--locked):hover {
  border-color: rgba(139, 92, 246, 0.2);
  border-left-color: var(--arena-xp);
  background: var(--arena-surface-raised);
  transform: translateX(4px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), -2px 0 12px var(--arena-glow-purple);
}
.arena-boss-card--locked {
  opacity: 0.3;
  border-left-color: var(--arena-text-dim);
}
.arena-boss-card__level {
  font-family: 'Orbitron', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--arena-xp);
  min-width: 44px;
  text-align: center;
  line-height: 1.2;
}
.arena-boss-card__avatar {
  width: 84px;
  height: 84px;
  border-radius: 10px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid rgba(139, 92, 246, 0.12);
}
.arena-boss-card__avatar img { width: 100%; height: 100%; object-fit: cover; }
.arena-boss-card__info { flex: 1; min-width: 0; }
.arena-boss-card__name {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1rem;
  font-weight: 700;
}
.arena-boss-card__class { font-size: 0.75rem; color: var(--arena-text-dim); }
.arena-boss-card__bio { font-size: 0.72rem; color: var(--arena-text-dim); font-style: italic; margin-top: 0.2rem; }
.arena-boss-card__stats {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.3rem;
  font-size: 0.68rem;
  color: var(--arena-text-muted);
}
.arena-boss-card__action { flex-shrink: 0; }

/* ===== PVP GALLERY GRID ===== */
.arena-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
}
.arena-gallery-card {
  padding: 1.25rem 1rem;
  border: 1px solid var(--arena-border);
  border-radius: 14px;
  background: var(--arena-surface);
  text-align: center;
  transition: all 0.2s ease;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}
.arena-gallery-card:hover {
  border-color: rgba(59, 130, 246, 0.3);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3), 0 0 12px var(--arena-glow-blue);
  background: var(--arena-surface-raised);
}
.arena-gallery-card__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 0.5rem;
  background: rgba(255, 255, 255, 0.04);
  border: 2px solid rgba(59, 130, 246, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}
.arena-gallery-card__avatar i { font-size: 1.8rem; color: var(--arena-text-dim); }
.arena-gallery-card__avatar img { width: 100%; height: 100%; object-fit: cover; }
.arena-gallery-card__name {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--arena-text);
  margin-bottom: 0.1rem;
}
.arena-gallery-card__class {
  font-size: 0.72rem;
  color: var(--arena-text-dim);
  margin-bottom: 0.6rem;
}

/* ===== BATTLE SCREEN — COMBAT ARENA ===== */
.arena-battle {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
}

/* Battle header */
.arena-battle__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(139, 92, 246, 0.1);
  border-radius: 10px;
  backdrop-filter: blur(8px);
  margin-bottom: 1rem;
}
.arena-battle__post-actions {
  display: flex;
  gap: 0.5rem;
}
.arena-battle__round {
  font-family: 'Orbitron', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--arena-xp);
  text-shadow: 0 0 14px var(--arena-glow-purple);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  background: rgba(139, 92, 246, 0.06);
  border: 1px solid rgba(139, 92, 246, 0.12);
  border-radius: 6px;
}

/* Combat stage — arena floor */
.arena-battle__stage {
  position: relative;
  border-radius: 16px;
  overflow: visible;
  margin-bottom: 1rem;
}
.arena-battle__stage::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 60% at 50% 80%, rgba(139, 92, 246, 0.04) 0%, transparent 70%),
    repeating-linear-gradient(0deg, transparent, transparent 59px, rgba(255, 255, 255, 0.01) 59px, rgba(255, 255, 255, 0.01) 60px),
    repeating-linear-gradient(90deg, transparent, transparent 59px, rgba(255, 255, 255, 0.01) 59px, rgba(255, 255, 255, 0.01) 60px);
  pointer-events: none;
  z-index: 0;
}

/* Battle field — combatants layout */
.arena-battle__field {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 1.5rem;
  padding: 1.5rem 1rem;
  position: relative;
  z-index: 1;
}

/* --- Combatant Pedestals --- */
.arena-combatant {
  flex: 1;
  max-width: 240px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 0.75rem;
  border-radius: 14px;
  background: rgba(8, 8, 24, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(8px);
  transition: box-shadow 0.4s ease;
  overflow: visible;
}
.arena-combatant--player {
  border-color: rgba(139, 92, 246, 0.12);
  box-shadow: 0 0 30px rgba(139, 92, 246, 0.04), inset 0 1px 0 rgba(139, 92, 246, 0.08);
  animation: arena-breathe-purple 3s ease-in-out infinite;
}
.arena-combatant--opponent {
  border-color: rgba(244, 63, 94, 0.12);
  box-shadow: 0 0 30px rgba(244, 63, 94, 0.04), inset 0 1px 0 rgba(244, 63, 94, 0.08);
  animation: arena-breathe-red 3s ease-in-out infinite;
}
.arena-combatant--hit {
  animation: arena-hit-shake 0.4s ease-out !important;
}

/* Card portrait frame */
.arena-combatant__frame {
  position: relative;
}
.arena-combatant__card {
  width: 140px;
  height: 140px;
  border-radius: 14px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  border: 2px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.arena-combatant__card img { width: 100%; height: 100%; object-fit: cover; }
.arena-combatant--player .arena-combatant__card {
  border-color: rgba(139, 92, 246, 0.25);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5), 0 0 20px rgba(139, 92, 246, 0.1);
}
.arena-combatant--opponent .arena-combatant__card {
  border-color: rgba(244, 63, 94, 0.25);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5), 0 0 20px rgba(244, 63, 94, 0.1);
}

/* Name plate */
.arena-combatant__nameplate {
  text-align: center;
}
.arena-combatant__name {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--arena-text);
  letter-spacing: 0.03em;
}

/* --- HP Bars --- */
.arena-hp-bar {
  width: 100%;
}
.arena-hp-bar__track {
  height: 12px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}
.arena-hp-bar__track::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 6px;
  background: repeating-linear-gradient(
    90deg,
    transparent 0px,
    transparent 9px,
    rgba(0, 0, 0, 0.25) 9px,
    rgba(0, 0, 0, 0.25) 10px
  );
  z-index: 1;
  pointer-events: none;
}
.arena-hp-bar__fill {
  height: 100%;
  border-radius: 6px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.arena-hp-bar__fill--player {
  background: linear-gradient(90deg, #059669, var(--arena-win), #34D399);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 0 8px var(--arena-glow-green);
}
.arena-hp-bar__fill--opponent {
  background: linear-gradient(90deg, #B91C1C, var(--arena-loss), #FB923C);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 0 8px var(--arena-glow-red);
}
.arena-hp-bar__fill--low {
  background: linear-gradient(90deg, #7F1D1D, #DC2626) !important;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 0 12px rgba(220, 38, 38, 0.4) !important;
  animation: arena-hp-pulse 0.8s ease-in-out infinite;
}
.arena-hp-bar__text,
.arena-hp-text {
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--arena-text-muted);
  text-align: center;
  margin-top: 0.25rem;
}

/* --- VS Clash Divider --- */
.arena-battle__vs {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
  width: 50px;
  align-self: center;
}
.arena-battle__vs-text {
  font-family: 'Orbitron', monospace;
  font-size: 2rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.35);
  text-shadow: 0 0 20px var(--arena-glow-purple), 0 0 40px rgba(139, 92, 246, 0.15);
  letter-spacing: 0.15em;
}
.arena-battle__vs::before,
.arena-battle__vs::after {
  content: '';
  position: absolute;
  width: 1px;
  height: 60%;
  top: 20%;
}
.arena-battle__vs::before {
  left: 4px;
  background: linear-gradient(180deg, transparent, rgba(139, 92, 246, 0.25), transparent);
  animation: arena-vs-flicker 2.5s ease-in-out infinite;
}
.arena-battle__vs::after {
  right: 4px;
  background: linear-gradient(180deg, transparent, rgba(244, 63, 94, 0.25), transparent);
  animation: arena-vs-flicker 2.5s ease-in-out infinite 1.25s;
}

/* --- Battle Log --- */
.arena-battle__log {
  max-height: 120px;
  overflow-y: auto;
  padding: 0.5rem 0.75rem;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(139, 92, 246, 0.06);
  border-radius: 8px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.75rem;
  line-height: 1.4;
  margin-bottom: 0.75rem;
  mask-image: linear-gradient(to bottom, transparent 0%, black 12%, black 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 12%, black 100%);
  scrollbar-width: thin;
  scrollbar-color: rgba(139, 92, 246, 0.15) transparent;
}
.arena-log-entry {
  padding: 0.25rem 0;
  color: var(--arena-text-dim);
  border-bottom: 1px solid rgba(255, 255, 255, 0.02);
  animation: arena-log-fade-in 0.3s ease-out;
}
.arena-log-entry:last-child { border-bottom: none; color: var(--arena-text-muted); }
.arena-log-entry--info { color: var(--arena-xp); text-shadow: 0 0 8px rgba(139, 92, 246, 0.15); }
.arena-log-entry--event { color: var(--arena-gold); text-shadow: 0 0 8px rgba(245, 158, 11, 0.15); }
.arena-log-entry--error { color: var(--arena-loss); text-shadow: 0 0 8px rgba(244, 63, 94, 0.15); }
.arena-log-entry--hint  { color: #FB923C; opacity: 0.7; font-style: italic; font-size: 0.75rem; }

/* --- Command Deck: Move Buttons --- */
.arena-battle__moves {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.6rem;
}
.arena-move-btn {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 1rem 0.5rem 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  background: rgba(10, 10, 28, 0.7);
  backdrop-filter: blur(6px);
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--arena-text);
  font-family: 'Inter', sans-serif;
  overflow: hidden;
}
.arena-move-btn__glow {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.arena-move-btn--strike .arena-move-btn__glow { background: radial-gradient(ellipse at 50% 80%, rgba(244, 63, 94, 0.12) 0%, transparent 70%); }
.arena-move-btn--guard .arena-move-btn__glow { background: radial-gradient(ellipse at 50% 80%, rgba(59, 130, 246, 0.12) 0%, transparent 70%); }
.arena-move-btn--ability .arena-move-btn__glow { background: radial-gradient(ellipse at 50% 80%, rgba(124, 58, 237, 0.12) 0%, transparent 70%); }
.arena-move-btn--heal .arena-move-btn__glow { background: radial-gradient(ellipse at 50% 80%, rgba(34, 197, 94, 0.12) 0%, transparent 70%); }
.arena-move-btn:hover:not(:disabled) .arena-move-btn__glow { opacity: 1; }

.arena-move-btn i { font-size: 1.3rem; transition: transform 0.2s ease, filter 0.2s ease; }
.arena-move-btn--strike i { color: var(--arena-loss); }
.arena-move-btn--guard i { color: var(--arena-energy); }
.arena-move-btn--ability i { color: #7C3AED; }
.arena-move-btn--heal i { color: var(--arena-win); }

.arena-move-btn:hover:not(:disabled) { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4); }
.arena-move-btn:hover:not(:disabled) i { transform: scale(1.15); }
.arena-move-btn:active:not(:disabled) { transform: translateY(-1px) scale(0.97); }

.arena-move-btn--strike { border-color: rgba(244, 63, 94, 0.15); }
.arena-move-btn--guard { border-color: rgba(59, 130, 246, 0.15); }
.arena-move-btn--ability { border-color: rgba(124, 58, 237, 0.15); }
.arena-move-btn--heal { border-color: rgba(34, 197, 94, 0.15); }
.arena-move-btn--strike:hover:not(:disabled) { border-color: rgba(244, 63, 94, 0.4); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 12px rgba(244, 63, 94, 0.1); }
.arena-move-btn--guard:hover:not(:disabled) { border-color: rgba(59, 130, 246, 0.4); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 12px rgba(59, 130, 246, 0.1); }
.arena-move-btn--ability:hover:not(:disabled) { border-color: rgba(124, 58, 237, 0.4); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 12px rgba(124, 58, 237, 0.1); }
.arena-move-btn--heal:hover:not(:disabled) { border-color: rgba(34, 197, 94, 0.4); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 12px rgba(34, 197, 94, 0.1); }

/* Glow underline */
.arena-move-btn::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20%;
  right: 20%;
  height: 2px;
  border-radius: 1px;
  opacity: 0.25;
  transition: opacity 0.2s ease, left 0.2s ease, right 0.2s ease;
}
.arena-move-btn--strike::after { background: var(--arena-loss); }
.arena-move-btn--guard::after { background: var(--arena-energy); }
.arena-move-btn--ability::after { background: #7C3AED; }
.arena-move-btn--heal::after { background: var(--arena-win); }
.arena-move-btn:hover:not(:disabled)::after { opacity: 0.7; left: 10%; right: 10%; }

.arena-move-btn__label { font-size: 0.78rem; font-weight: 700; }
.arena-move-btn__stat {
  font-family: 'Orbitron', monospace;
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--arena-text-dim);
  letter-spacing: 0.05em;
}
.arena-move-btn__desc {
  font-size: 0.62rem;
  color: var(--arena-text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.arena-move-btn__charge {
  font-family: 'Orbitron', monospace;
  font-size: 0.58rem;
  font-weight: 700;
  padding: 0.1rem 0.35rem;
  background: rgba(124, 58, 237, 0.2);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: 4px;
  color: #7C3AED;
  letter-spacing: 0.04em;
}
.arena-move-btn:disabled { opacity: 0.25; filter: grayscale(0.5); cursor: not-allowed; transform: none; }

/* --- Player Buffs --- */
.arena-player-buffs { display: flex; flex-wrap: wrap; gap: 0.3rem; justify-content: center; }
.arena-buff-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.15rem 0.4rem;
  border-radius: 6px;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.25);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.65rem;
  font-weight: 600;
  white-space: nowrap;
}
.arena-buff-chip i { font-size: 0.55rem; color: var(--arena-xp); }

/* --- Damage Floaters --- */
.arena-dmg-float {
  position: absolute;
  top: 0;
  left: 50%;
  font-family: 'Orbitron', monospace;
  font-size: 1.6rem;
  font-weight: 700;
  pointer-events: none;
  z-index: var(--cf-z-raised, 10);
  animation: arena-dmg-float 1.4s cubic-bezier(0.2, 0, 0.2, 1) forwards;
}
.arena-dmg-float--damage {
  color: var(--arena-loss);
  text-shadow: 0 0 8px var(--arena-glow-red), 0 0 16px var(--arena-glow-red);
}
.arena-dmg-float--heal {
  color: var(--arena-win);
  text-shadow: 0 0 8px var(--arena-glow-green), 0 0 16px var(--arena-glow-green);
}

/* ===== RESULTS — VICTORY CEREMONY (Modal Overlay) ===== */
.arena-results-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(2, 6, 23, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: arena-results-fade-in 0.3s ease-out;
}
@keyframes arena-results-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
.arena-results {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 2rem;
  text-align: center;
  max-height: 90vh;
  overflow-y: auto;
}
.arena-results__close {
  position: absolute;
  top: 0;
  right: 0;
  background: none;
  border: 1px solid var(--arena-border);
  border-radius: 8px;
  color: var(--arena-text-muted);
  cursor: pointer;
  padding: 0.4rem 0.6rem;
  font-size: 1rem;
  transition: color 0.2s ease, border-color 0.2s ease;
  z-index: 2;
}
.arena-results__close:hover {
  color: var(--arena-text);
  border-color: var(--arena-xp);
}
.arena-results__banner {
  padding: 3rem 3rem 2.5rem;
  border-radius: 20px;
  width: 100%;
  max-width: 500px;
  position: relative;
  overflow: hidden;
  animation: arena-results-entrance 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.arena-results__banner--win {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(139, 92, 246, 0.06));
  border: 1px solid rgba(34, 197, 94, 0.25);
  box-shadow: 0 0 40px rgba(34, 197, 94, 0.08), inset 0 0 60px rgba(34, 197, 94, 0.03);
}
.arena-results__banner--loss {
  background: linear-gradient(135deg, rgba(244, 63, 94, 0.1), rgba(251, 146, 60, 0.06));
  border: 1px solid rgba(244, 63, 94, 0.25);
  box-shadow: 0 0 40px rgba(244, 63, 94, 0.08), inset 0 0 60px rgba(244, 63, 94, 0.03);
}
.arena-results__banner--draw {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(251, 146, 60, 0.06));
  border: 1px solid rgba(245, 158, 11, 0.25);
  box-shadow: 0 0 40px rgba(245, 158, 11, 0.08), inset 0 0 60px rgba(245, 158, 11, 0.03);
}
.arena-results__banner h1 {
  font-family: 'Orbitron', monospace;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.arena-results__banner--win h1 { color: var(--arena-win); text-shadow: 0 0 20px var(--arena-glow-green), 0 0 50px rgba(34, 197, 94, 0.2); }
.arena-results__banner--loss h1 { color: var(--arena-loss); text-shadow: 0 0 20px var(--arena-glow-red), 0 0 50px rgba(244, 63, 94, 0.15); }
.arena-results__banner--draw h1 { color: var(--arena-gold); text-shadow: 0 0 20px var(--arena-glow-gold), 0 0 50px rgba(245, 158, 11, 0.15); }
.arena-results__banner p { font-size: 0.9rem; color: var(--arena-text-muted); margin-top: 0.25rem; }
.arena-results__avatars {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.arena-results__avatars img {
  width: 80px;
  height: 80px;
  border-radius: 14px;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  animation: arena-results-entrance 0.5s cubic-bezier(0.22, 1, 0.36, 1) 0.15s both;
}
.arena-results__banner--win .arena-results__avatars img {
  border-color: rgba(34, 197, 94, 0.3);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 16px var(--arena-glow-green);
}
.arena-results__banner--loss .arena-results__avatars img {
  border-color: rgba(244, 63, 94, 0.3);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 16px var(--arena-glow-red);
}
.arena-results__banner--draw .arena-results__avatars img {
  border-color: rgba(245, 158, 11, 0.3);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 16px var(--arena-glow-gold);
}
.arena-results__avatars .arena-results__vs {
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--arena-text-dim);
  letter-spacing: 0.05em;
}
@keyframes arena-results-entrance { from { opacity: 0; transform: scale(0.85) translateY(20px); } to { opacity: 1; transform: scale(1) translateY(0); } }

.arena-results__xp {
  width: 100%;
  max-width: 400px;
  animation: arena-results-fade-up 0.5s ease-out 0.3s both;
}
.arena-results__xp-amount {
  font-family: 'Orbitron', monospace;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--arena-xp);
  margin-bottom: 0.75rem;
  text-shadow: 0 0 16px var(--arena-glow-purple);
  letter-spacing: 0.04em;
}
.arena-results__rank-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--arena-text-muted);
}
.arena-results__rank-current i,
.arena-results__rank-next i {
  margin-right: 0.2rem;
}
.arena-results__rank-arrow {
  font-size: 0.65rem;
  color: var(--arena-text-dim);
}
.arena-results__bar-wrap { margin-bottom: 0.75rem; }
.arena-results__rank-up {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--arena-gold);
  animation: arena-rankup-glow 1.5s ease-in-out infinite;
  padding: 0.35rem 0.75rem;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.arena-results__actions {
  display: flex;
  gap: 0.75rem;
  animation: arena-results-fade-up 0.5s ease-out 0.5s both;
}
@keyframes arena-results-fade-up { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

/* ===== SCREEN CONTAINERS ===== */
.arena-history { max-width: 700px; margin: 0 auto; }
.arena-pve { max-width: 700px; margin: 0 auto; }
.arena-pvp { max-width: 960px; margin: 0 auto; }

/* ===== NEXT RANK PREVIEW ===== */
.arena-next-rank-wrap { width: 100%; font-size: 0.72rem; color: var(--arena-text-dim); margin-top: 0.5rem; }
.arena-next-rank {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.6rem 0.75rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--arena-border);
  border-radius: 8px;
  font-size: 0.68rem;
  line-height: 1.5;
}
.arena-next-rank strong { white-space: nowrap; }
.arena-next-rank .rank-preview-effects { color: var(--arena-text-muted); word-break: break-word; }

/* ===== MODAL ===== */
.arena-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.8);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: var(--cf-z-modal, 8000);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: arena-modal-fade-in 0.2s ease-out;
}
.arena-modal {
  background: var(--arena-surface);
  border: 1px solid rgba(139, 92, 246, 0.15);
  border-radius: 16px;
  padding: 2rem 2.5rem;
  max-width: 380px;
  width: 90%;
  text-align: center;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5), 0 0 24px var(--arena-glow-purple);
  animation: arena-modal-scale-in 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}
.arena-modal__icon {
  font-size: 2rem;
  color: var(--arena-loss);
  margin-bottom: 0.75rem;
  opacity: 0.8;
}
.arena-modal__title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--arena-text);
  margin-bottom: 0.5rem;
}
.arena-modal__body {
  font-size: 0.85rem;
  color: var(--arena-text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}
.arena-modal__actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
}
.arena-btn--danger {
  background: rgba(244, 63, 94, 0.15);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: var(--arena-loss);
  padding: 0.5rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}
.arena-btn--danger:hover {
  background: rgba(244, 63, 94, 0.25);
  box-shadow: 0 0 12px rgba(244, 63, 94, 0.2);
}
@keyframes arena-modal-fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes arena-modal-scale-in { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }

/* ===== UNLOCK TOAST ===== */
.arena-unlock-toast {
  position: fixed;
  top: 1rem;
  right: 1rem;
  max-width: 300px;
  padding: 1rem 1.25rem;
  background: var(--arena-surface);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: 12px;
  backdrop-filter: blur(12px);
  color: var(--arena-text);
  font-size: 0.85rem;
  z-index: var(--cf-z-tooltip, 10000);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 16px var(--arena-glow-gold);
  animation: cf-toast-in 0.35s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.arena-unlock-toast--removing { animation: cf-toast-out 0.3s ease-in forwards; }

/* ===== LOADING / ERROR / EMPTY ===== */
.arena-loading, .arena-error {
  padding: 3rem 2rem;
  text-align: center;
  color: var(--arena-text-dim);
  font-size: 0.85rem;
  font-family: 'Rajdhani', sans-serif;
  letter-spacing: 0.02em;
}
.arena-loading i { color: var(--arena-xp); margin-right: 0.5rem; font-size: 1.2rem; }
.arena-error {
  color: var(--arena-text-muted);
  background: rgba(244, 63, 94, 0.03);
  border: 1px dashed rgba(244, 63, 94, 0.12);
  border-radius: 12px;
}
.arena-error::before {
  content: '\f071'; /* fa-triangle-exclamation */
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  display: block;
  font-size: 1.8rem;
  color: rgba(244, 63, 94, 0.25);
  margin-bottom: 0.75rem;
}

/* ===== ARENA BACKGROUND PICKER ===== */
.arena-bg-picker {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  padding: 0.5rem 0;
  scrollbar-width: thin;
  scrollbar-color: var(--arena-surface-raised) transparent;
}
.arena-bg-picker::-webkit-scrollbar { height: 4px; }
.arena-bg-picker::-webkit-scrollbar-track { background: transparent; }
.arena-bg-picker::-webkit-scrollbar-thumb { background: var(--arena-surface-raised); border-radius: 4px; }

.arena-bg-thumb {
  display: block;
  flex: 0 0 140px;
  background: var(--arena-surface);
  border: 2px solid var(--arena-border);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
  position: relative;
  padding: 0;
  text-align: left;
  color: var(--arena-text);
  font-family: inherit;
}
.arena-bg-thumb:hover:not([disabled]) {
  border-color: rgba(139, 92, 246, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}
.arena-bg-thumb--selected {
  border-color: var(--arena-xp) !important;
  box-shadow: 0 0 12px var(--arena-glow-purple), 0 4px 16px rgba(0, 0, 0, 0.3) !important;
}
.arena-bg-thumb--locked {
  opacity: 0.45;
  cursor: not-allowed;
  filter: grayscale(0.6);
}

.arena-bg-thumb__preview {
  width: 100%;
  height: 64px;
  background-size: cover;
  background-position: center;
  background-color: var(--arena-surface-raised);

}
.arena-bg-thumb--locked .arena-bg-thumb__preview {
  filter: blur(2px) brightness(0.5);
}

.arena-bg-thumb__info {
  padding: 0.4rem 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--arena-text-muted);
}
.arena-bg-thumb__info i {
  font-size: 0.65rem;
  color: var(--arena-xp);
}
.arena-bg-thumb--locked .arena-bg-thumb__info i {
  color: var(--arena-text-dim);
}
.arena-bg-thumb__name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.arena-bg-thumb__lock {
  font-size: 0.62rem;
  color: var(--arena-text-dim);
  white-space: nowrap;
}
.arena-bg-thumb__lock i { font-size: 0.55rem; }

.arena-bg-thumb__check {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--arena-xp);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.55rem;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

/* ===== ARENA BATTLE STAGE BACKGROUNDS ===== */
.arena-battle__stage {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.arena-stage--colosseum       { background-image: url('/cardforge/img/arena/arena-colosseum.webp'); }
.arena-stage--shadow-pit      { background-image: url('/cardforge/img/arena/arena-shadow-pit.webp'); }
.arena-stage--forge-grounds   { background-image: url('/cardforge/img/arena/arena-forge-grounds.webp'); }
.arena-stage--crystal-sanctum { background-image: url('/cardforge/img/arena/arena-crystal-sanctum.webp'); }
.arena-stage--void-rift       { background-image: url('/cardforge/img/arena/arena-void-rift.webp'); }
.arena-stage--throne          { background-image: url('/cardforge/img/arena/arena-throne.webp'); }

/* Darken overlay so combatants stay readable on busy backgrounds */
.arena-stage--colosseum::before,
.arena-stage--shadow-pit::before,
.arena-stage--forge-grounds::before,
.arena-stage--crystal-sanctum::before,
.arena-stage--void-rift::before,
.arena-stage--throne::before {
  background:
    linear-gradient(180deg, rgba(2, 6, 23, 0.55) 0%, rgba(2, 6, 23, 0.3) 40%, rgba(2, 6, 23, 0.55) 100%),
    radial-gradient(ellipse 90% 60% at 50% 80%, rgba(139, 92, 246, 0.04) 0%, transparent 70%);
}

/* ===================================================================
   ANIMATIONS
   =================================================================== */
@keyframes arena-breathe-purple {
  0%, 100% { box-shadow: 0 0 30px rgba(139, 92, 246, 0.04), inset 0 1px 0 rgba(139, 92, 246, 0.08); }
  50% { box-shadow: 0 0 40px rgba(139, 92, 246, 0.08), inset 0 1px 0 rgba(139, 92, 246, 0.12); }
}
@keyframes arena-breathe-red {
  0%, 100% { box-shadow: 0 0 30px rgba(244, 63, 94, 0.04), inset 0 1px 0 rgba(244, 63, 94, 0.08); }
  50% { box-shadow: 0 0 40px rgba(244, 63, 94, 0.08), inset 0 1px 0 rgba(244, 63, 94, 0.12); }
}
/* Legacy name — JS references this */
@keyframes arena-breathe-cyan {
  0%, 100% { box-shadow: 0 0 30px rgba(139, 92, 246, 0.04), inset 0 1px 0 rgba(139, 92, 246, 0.08); }
  50% { box-shadow: 0 0 40px rgba(139, 92, 246, 0.08), inset 0 1px 0 rgba(139, 92, 246, 0.12); }
}
@keyframes arena-dmg-float {
  0% { opacity: 0; transform: translateX(-50%) translateY(0) scale(0.5); }
  20% { opacity: 1; transform: translateX(-50%) translateY(-20px) scale(1.3); }
  100% { opacity: 0; transform: translateX(-50%) translateY(-80px) scale(0.8); }
}
@keyframes arena-hp-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}
@keyframes arena-rankup-glow {
  0%, 100% { text-shadow: 0 0 10px rgba(245, 158, 11, 0.3); }
  50% { text-shadow: 0 0 20px rgba(245, 158, 11, 0.6); }
}
@keyframes arena-vs-flicker {
  0%, 100% { opacity: 0.3; height: 50%; }
  50% { opacity: 0.8; height: 70%; }
}
@keyframes arena-log-fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes arena-hit-shake {
  0% { transform: translateX(0); }
  15% { transform: translateX(-6px) rotate(-1deg); }
  30% { transform: translateX(5px) rotate(0.5deg); }
  45% { transform: translateX(-4px); }
  60% { transform: translateX(3px); }
  75% { transform: translateX(-1px); }
  100% { transform: translateX(0); }
}
@keyframes cf-toast-in {
  from { opacity: 0; transform: translateY(-16px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes cf-toast-out {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to { opacity: 0; transform: translateY(-16px) scale(0.95); }
}

/* ===================================================================
   RESPONSIVE
   =================================================================== */
@media (max-width: 768px) {
  .arena-hero { grid-template-columns: 1fr; }
  .arena-rank-hud { flex-direction: row; flex-wrap: wrap; justify-content: center; padding: 1rem; }
  .arena-rank-hud__insignia { flex-direction: row; gap: 0.75rem; }
  .arena-rank-hud__xp { flex: 1; min-width: 150px; }
  .arena-modes { grid-template-columns: 1fr; }
  .arena-battle__field { gap: 0.75rem; padding: 1.5rem 0.5rem; }
  .arena-combatant { padding: 1rem 0.75rem; }
  .arena-combatant__card { width: 96px; height: 120px; }
  .arena-battle__vs { width: 36px; }
  .arena-battle__vs-text { font-size: 1rem; }
  .arena-gallery-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  .arena-rewards__tier-header { font-size: 0.78rem; }
  .arena-rewards__tier-body { font-size: 0.7rem; }
  .arena-bg-thumb { flex: 0 0 120px; }
  .arena-bg-thumb__preview { height: 52px; }
}

@media (max-width: 600px) {
  .arena-topbar__tagline { display: none; }
}

@media (max-width: 480px) {
  .arena-screen { padding: 1rem 0.75rem 2rem; }
  .arena-champion__card { flex-direction: column; align-items: center; text-align: center; }
  .arena-champion__avatar { width: 72px; height: 72px; }
  .arena-rank-hud__stats { flex-wrap: wrap; justify-content: center; }
  .arena-battle__field { flex-direction: column; align-items: center; gap: 0.5rem; padding: 1rem 0.5rem; }
  .arena-combatant { max-width: 100%; flex-direction: row; gap: 1rem; padding: 0.75rem; }
  .arena-combatant__card { width: 72px; height: 90px; }
  .arena-battle__vs { width: auto; height: 30px; }
  .arena-battle__vs::before, .arena-battle__vs::after { display: none; }
  .arena-hp-bar__track { height: 8px; }
  .arena-battle__moves { grid-template-columns: repeat(3, 1fr); }
  .arena-battle__moves .arena-move-btn:last-child { grid-column: span 1; }
  .arena-move-btn { padding: 0.75rem 0.4rem 0.6rem; }
  .arena-move-btn__desc { display: none; }
  .arena-results__banner { padding: 1.5rem; }
  .arena-results__banner h1 { font-size: 1.6rem; }
  .arena-next-rank { flex-wrap: wrap; }
  .arena-buff-chip { font-size: 0.6rem; padding: 0.1rem 0.3rem; }
}

/* ===================================================================
   PHASE A — COMBAT EXCITEMENT OVERLAYS
   A1: speed badge  |  A2: kill shot  |  A3: crit banner  |  A5: streak
   =================================================================== */

/* Combatant sides need position:relative for absolute overlays */
#arena-player-side,
#arena-opponent-side {
  position: relative;
}

/* ── A1: Speed / First Strike badge ──────────────────────────────── */
.arena-speed-badge {
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, rgba(52, 211, 153, 0.95), rgba(16, 185, 129, 0.9));
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid rgba(52, 211, 153, 0.5);
  box-shadow: 0 2px 12px rgba(52, 211, 153, 0.4);
  white-space: nowrap;
  z-index: 30;
  pointer-events: none;
  animation: arena-speed-badge-in 0.25s cubic-bezier(0.34, 1.56, 0.64, 1) forwards,
             arena-speed-badge-out 0.35s ease-in 0.85s forwards;
}
.arena-speed-badge--enemy {
  background: linear-gradient(135deg, rgba(248, 113, 113, 0.95), rgba(220, 38, 38, 0.9));
  border-color: rgba(248, 113, 113, 0.5);
  box-shadow: 0 2px 12px rgba(248, 113, 113, 0.4);
}
@keyframes arena-speed-badge-in {
  from { opacity: 0; transform: translateX(-50%) translateY(-6px) scale(0.8); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0)    scale(1);   }
}
@keyframes arena-speed-badge-out {
  from { opacity: 1; }
  to   { opacity: 0; transform: translateX(-50%) translateY(-4px) scale(0.9); }
}

/* ── A3: CRITICAL! banner ─────────────────────────────────────────── */
.arena-crit-banner {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  color: #FCD34D;
  text-shadow:
    0 0 12px rgba(251, 191, 36, 0.9),
    0 0 30px rgba(251, 191, 36, 0.5),
    2px 2px 0 rgba(0, 0, 0, 0.6);
  white-space: nowrap;
  z-index: 40;
  pointer-events: none;
  animation: arena-crit-slam 1.1s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
@keyframes arena-crit-slam {
  0%   { opacity: 0;   transform: translateX(-50%) scale(2.2);   }
  15%  { opacity: 1;   transform: translateX(-50%) scale(0.95);  }
  30%  { opacity: 1;   transform: translateX(-50%) scale(1.05);  }
  50%  { opacity: 1;   transform: translateX(-50%) scale(1);     }
  75%  { opacity: 1;   transform: translateX(-50%) scale(1);     }
  100% { opacity: 0;   transform: translateX(-50%) scale(0.85) translateY(-10px); }
}

/* ── A2: Kill shot — battle field zoom + defeated combatant ─────── */
.arena--killshot {
  animation: arena-killshot-zoom 0.35s ease-out forwards;
}
@keyframes arena-killshot-zoom {
  0%   { transform: scale(1);    }
  40%  { transform: scale(1.04); }
  100% { transform: scale(1.02); }
}

.arena-combatant--defeated {
  animation: arena-defeated-fade 1.5s ease-out forwards;
}
@keyframes arena-defeated-fade {
  0%   { opacity: 1;    transform: none;                              filter: none;             }
  20%  { opacity: 0.85; transform: scale(0.98) rotate(-1deg);        filter: grayscale(15%);   }
  100% { opacity: 0.22; transform: scale(0.9)  rotate(-4deg) translateY(8px); filter: grayscale(90%); }
}

/* ── A5: Combo streak badge ───────────────────────────────────────── */
.arena-streak-badge {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, rgba(251, 146, 60, 0.95), rgba(239, 68, 68, 0.9));
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid rgba(251, 146, 60, 0.5);
  box-shadow: 0 2px 14px rgba(251, 146, 60, 0.45);
  white-space: nowrap;
  z-index: 30;
  pointer-events: none;
  animation: arena-streak-in 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards,
             arena-streak-out 0.4s ease-in 1.1s forwards;
}
@keyframes arena-streak-in {
  from { opacity: 0; transform: translateX(-50%) scale(0.7) translateY(6px); }
  to   { opacity: 1; transform: translateX(-50%) scale(1)   translateY(0);   }
}
@keyframes arena-streak-out {
  from { opacity: 1; }
  to   { opacity: 0; transform: translateX(-50%) scale(0.85) translateY(4px); }
}

/* ===================================================================
   PHASE B — LAST STAND (B1)
   =================================================================== */

/* ── B1: Persistent Last Stand state on combatant side ──────────── */
.arena-combatant--last-stand {
  animation: arena-last-stand-pulse 1.8s ease-in-out infinite;
}
@keyframes arena-last-stand-pulse {
  0%, 100% {
    box-shadow:
      0 0 0 2px rgba(239, 68, 68, 0.25),
      0 0 18px rgba(239, 68, 68, 0.15),
      inset 0 0 10px rgba(239, 68, 68, 0.05);
  }
  50% {
    box-shadow:
      0 0 0 3px rgba(239, 68, 68, 0.55),
      0 0 32px rgba(239, 68, 68, 0.35),
      inset 0 0 18px rgba(239, 68, 68, 0.12);
  }
}
/* Cracked border effect via outline offset */
.arena-combatant--last-stand::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: inherit;
  border: 1px dashed rgba(239, 68, 68, 0.45);
  pointer-events: none;
  animation: arena-last-stand-crack 2.4s steps(1) infinite;
}
@keyframes arena-last-stand-crack {
  0%, 100% { opacity: 0.6; }
  33%       { opacity: 0.2; }
  66%       { opacity: 0.9; }
}

/* ── B1: Activation banner — "⚠ LAST STAND!" ───────────────────── */
.arena-last-stand-banner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.1rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: #FCA5A5;
  text-shadow:
    0 0 10px rgba(239, 68, 68, 0.9),
    0 0 24px rgba(239, 68, 68, 0.5),
    2px 2px 0 rgba(0, 0, 0, 0.7);
  white-space: nowrap;
  z-index: 40;
  pointer-events: none;
  animation: arena-last-stand-in 2.2s ease-out forwards;
}
@keyframes arena-last-stand-in {
  0%   { opacity: 0;   transform: translate(-50%, -50%) scale(1.6);  }
  12%  { opacity: 1;   transform: translate(-50%, -50%) scale(0.95); }
  25%  { opacity: 1;   transform: translate(-50%, -50%) scale(1.02); }
  65%  { opacity: 1;   transform: translate(-50%, -50%) scale(1);    }
  100% { opacity: 0;   transform: translate(-50%, -60%) scale(0.9);  }
}

/* ═══════════════════════════════════════════════════════════════════
   B3: COUNTER MOVE — button + stance badge + reflect banner
   ═══════════════════════════════════════════════════════════════════ */

/* ── Counter button colour scheme (steel blue-teal) ────────────── */
.arena-move-btn--counter i { color: #22D3EE; }
.arena-move-btn--counter .arena-move-btn__glow { background: radial-gradient(ellipse at 50% 80%, rgba(34, 211, 238, 0.12) 0%, transparent 70%); }
.arena-move-btn--counter { border-color: rgba(34, 211, 238, 0.15); }
.arena-move-btn--counter:hover:not(:disabled) { border-color: rgba(34, 211, 238, 0.4); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 12px rgba(34, 211, 238, 0.1); }
.arena-move-btn--counter::after { background: #22D3EE; }

/* ── Counter stance badge ────────────────────────────────────────── */
.arena-counter-badge {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(34, 211, 238, 0.15);
  border: 1px solid rgba(34, 211, 238, 0.5);
  color: #22D3EE;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 20px;
  white-space: nowrap;
  pointer-events: none;
  z-index: 25;
  animation: arena-counter-badge-in 1.4s ease forwards;
}
@keyframes arena-counter-badge-in {
  0%   { opacity: 0; transform: translateX(-50%) scale(0.8); }
  20%  { opacity: 1; transform: translateX(-50%) scale(1); }
  70%  { opacity: 1; }
  100% { opacity: 0; transform: translateX(-50%) translateY(-12px); }
}

/* ── Reflect burst banner ────────────────────────────────────────── */
.arena-reflect-banner {
  position: absolute;
  top: 38%;
  left: 50%;
  transform: translateX(-50%) scale(2);
  color: #22D3EE;
  font-size: 1.5rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-shadow: 0 0 16px rgba(34, 211, 238, 0.9), 0 0 32px rgba(34, 211, 238, 0.5);
  pointer-events: none;
  z-index: 30;
  animation: arena-reflect-slam 1.1s ease forwards;
}
@keyframes arena-reflect-slam {
  0%   { opacity: 0; transform: translateX(-50%) scale(2.5); }
  15%  { opacity: 1; transform: translateX(-50%) scale(1); }
  60%  { opacity: 1; transform: translateX(-50%) scale(1); }
  100% { opacity: 0; transform: translateX(-50%) scale(0.8) translateY(-8px); }
}

/* ═══════════════════════════════════════════════════════════════════
   B2: STATUS EFFECTS — Burn, Stun, Blind chips
   ═══════════════════════════════════════════════════════════════════ */

.arena-status-row {
  display: flex;
  gap: 6px;
  justify-content: center;
  min-height: 22px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.arena-status-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.arena-status-chip i { font-size: 0.65rem; }
.arena-status-chip__rounds { font-size: 0.6rem; opacity: 0.75; }

.arena-status-chip--burn  { background: rgba(251,146,60,0.15); border: 1px solid rgba(251,146,60,0.5); color: #FB923C; }
.arena-status-chip--stun  { background: rgba(250,204,21,0.15); border: 1px solid rgba(250,204,21,0.5); color: #FACC15; }
.arena-status-chip--blind { background: rgba(167,139,250,0.15); border: 1px solid rgba(167,139,250,0.5); color: #A78BFA; }

@keyframes arena-status-slam {
  0%   { opacity: 0; transform: scale(1.5); }
  60%  { opacity: 1; transform: scale(1); }
  100% { opacity: 1; transform: scale(1); }
}
.arena-status-chip--new { animation: arena-status-slam 0.4s ease forwards; }

/* ═══════════════════════════════════════════════════════════════════
   B4: HYPE METER + CROWD ERUPTS banner
   ═══════════════════════════════════════════════════════════════════ */

.arena-hype-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0 6px;
}
.arena-hype-bar__label {
  font-size: 0.62rem;
  font-weight: 700;
  color: #FB923C;
  letter-spacing: 0.12em;
  width: 44px;
  flex-shrink: 0;
}
.arena-hype-bar__label i { margin-right: 3px; }
.arena-hype-bar__track {
  flex: 1;
  height: 5px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  overflow: hidden;
}
.arena-hype-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, #F59E0B, #EF4444);
  border-radius: 3px;
  transition: width 0.4s ease;
}
.arena-hype-bar--near-full .arena-hype-bar__fill {
  animation: arena-hype-pulse 0.5s ease-in-out infinite;
}
@keyframes arena-hype-pulse {
  0%, 100% { filter: brightness(1); }
  50%       { filter: brightness(1.7) saturate(1.3); }
}

.arena-crowd-banner {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translateX(-50%) scale(2.5);
  color: #F59E0B;
  font-size: 1.5rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-shadow: 0 0 20px rgba(245, 158, 11, 0.9), 0 0 40px rgba(245, 158, 11, 0.5);
  pointer-events: none;
  z-index: 30;
  white-space: nowrap;
  animation: arena-reflect-slam 1.8s ease forwards;
}

.arena-crowd-boost-flash {
  position: absolute;
  top: 42%;
  left: 50%;
  transform: translateX(-50%) scale(1);
  color: #FB923C;
  font-size: 0.95rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  text-shadow: 0 0 12px rgba(251, 146, 60, 0.9), 0 0 24px rgba(251, 146, 60, 0.4);
  pointer-events: none;
  z-index: 30;
  white-space: nowrap;
  animation: arena-boost-flash 1s ease forwards;
}
@keyframes arena-boost-flash {
  0%   { opacity: 0; transform: translateX(-50%) translateY(4px) scale(0.9); }
  20%  { opacity: 1; transform: translateX(-50%) translateY(0)   scale(1.05); }
  70%  { opacity: 1; }
  100% { opacity: 0; transform: translateX(-50%) translateY(-8px) scale(1); }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  .arena-combatant--player, .arena-combatant--opponent { animation: none; }
  .arena-battle__vs::before, .arena-battle__vs::after { animation: none; }
  .arena-dmg-float { animation-duration: 0.01ms; }
  .arena-results__rank-up { animation: none; }
  .arena-move-btn, .arena-mode-card, .arena-card-thumb, .arena-boss-card, .arena-gallery-card { transition-duration: 0.01ms; }
  /* Phase A overlays */
  .arena-crit-banner, .arena-speed-badge, .arena-streak-badge { animation-duration: 0.01ms; }
  .arena--killshot, .arena-combatant--defeated { animation: none; }
  /* Phase B */
  .arena-combatant--last-stand { animation: none; box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.5); }
  .arena-combatant--last-stand::after { animation: none; }
  .arena-last-stand-banner { animation-duration: 0.01ms; }
  /* Phase B3 */
  .arena-counter-badge, .arena-reflect-banner { animation-duration: 0.01ms; }
  /* Phase B2 + B4 */
  .arena-status-chip--new { animation-duration: 0.01ms; }
  .arena-hype-bar--near-full .arena-hype-bar__fill { animation: none; }
  .arena-crowd-banner { animation-duration: 0.01ms; }
}

/* ===== FOCUS VISIBLE ===== */
.arena-move-btn:focus-visible,
.arena-mode-card:focus-visible,
.arena-btn:focus-visible,
.arena-card-thumb:focus-visible {
  outline: 2px solid var(--arena-xp);
  outline-offset: 2px;
}
.arena-topbar__back:focus-visible,
.arena-auth-link:focus-visible,
.arena-rewards__toggle:focus-visible,
.arena-history-link:focus-visible {
  outline: 2px solid var(--arena-xp);
  outline-offset: 2px;
}