/* ── ARENA ── */
.arena-clock {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 28px; font-weight: 500;
  background: var(--bg2); border: 1px solid var(--border);
  padding: 8px 16px; border-radius: 8px;
  color: var(--text2); letter-spacing: 2px;
  transition: background 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s;
  min-width: 100px; text-align: center;
}
.arena-clock.clock-active { 
  border-color: #63d277; 
  color: #fff; 
  box-shadow: 0 0 15px rgba(99, 210, 119, 0.2); 
}
.arena-clock.clock-low {
  border-color: var(--danger); color: var(--danger);
  animation: clock-pulse 1s infinite;
}
@keyframes clock-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.55; }
}
.arena-hl-from { background-color: rgba(173, 98, 255, 0.35) !important; }
.arena-hl-to   { background-color: rgba(173, 98, 255, 0.55) !important; }

/* ── Arena player row (card + clock side by side) ── */
.arena-player-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  max-width: 480px;
  margin-bottom: 6px;
}
#arena-opponent-row { margin-bottom: 8px; }
#arena-mine-row     { margin-top: 8px; margin-bottom: 0; }

.arena-player-card {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 7px 10px;
  min-width: 0;
  overflow: hidden;
}

.arena-player-badge-icon {
  font-size: 20px;
  line-height: 1;
  flex-shrink: 0;
  min-width: 22px;
  text-align: center;
}

.arena-player-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 1;
  overflow: hidden;
}
.arena-player-name-wrapper {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.arena-player-name {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.arena-player-elo {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-top: 1px;
}

/* ── Color dot (white/black piece indicator) ── */
.arena-color-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 2px solid var(--border);
  background: transparent;
  transition: background 0.2s, border-color 0.2s;
}
.arena-color-dot.dot-white {
  background: #eeeed2;
  border-color: #ccc;
}
.arena-color-dot.dot-black {
  background: #333;
  border-color: var(--accent);
}

/* ── Arena match info rows (in-game side panel) ── */
.arena-match-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
}
.arena-match-row:last-child { border-bottom: none; }

.arena-match-label {
  color: var(--text3);
  font-size: 10px;
  font-family: 'IBM Plex Mono', monospace;
  letter-spacing: 0.08em;
  flex-shrink: 0;
}

.arena-match-val {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--text2);
  text-align: right;
}

/* ── Copy link button ── */
.arena-copy-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text2);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 2px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
  white-space: nowrap;
}
.arena-copy-btn:hover { border-color: var(--accent); color: var(--accent); }
.arena-copy-btn--copied { color: var(--accent) !important; border-color: var(--accent) !important; }

/* ── Captured Pieces & Material advantage ── */
.arena-captured-pieces {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-top: 2px;
  min-height: 16px;
}
.captured-piece-icon {
  width: 14px;
  height: 14px;
  object-fit: contain;
  filter: drop-shadow(0px 1px 1px rgba(0,0,0,0.5));
}
.arena-material-adv {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  color: var(--text3);
  margin-left: 6px;
  text-align: right;
  flex-shrink: 0;
}

/* ── Spectator pill in topbar ── */
.arena-spectator-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--warn);
  background: #e5a55015;
  border: 1px solid #e5a55040;
  padding: 3px 10px;
  border-radius: 10px;
  letter-spacing: 0.04em;
}

/* ── Promotion picker ── */
.arena-promo-btn {
  width: 72px; height: 72px;
  font-size: 44px; line-height: 1;
  background: var(--bg2);
  border: 2px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: border-color 0.15s, background 0.15s, transform 0.1s;
}
.arena-promo-btn:hover {
  border-color: var(--accent);
  background: var(--bg3);
  transform: scale(1.1);
}
.arena-promo-btn:active {
  transform: scale(0.96);
}

/* ── Win Counter (Left of Player Name) ── */
.arena-win-counter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  background: rgba(173, 98, 255, 0.14);
  border: 1px solid rgba(173, 98, 255, 0.35);
  border-radius: 4px;
  color: var(--accent, #ad62ff);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  margin-right: 6px;
  flex-shrink: 0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

/* ── Game Over Rematch Modal ── */
.arena-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(5px);
  z-index: 1050;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.arena-modal-card {
  background: var(--bg2, #21201d);
  border: 1px solid var(--border, #312e2b);
  border-radius: 14px;
  padding: 24px 28px;
  width: 100%;
  max-width: 400px;
  text-align: center;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  animation: arenaModalPop 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes arenaModalPop {
  0% { transform: scale(0.92); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.arena-modal-badge {
  font-size: 38px;
  line-height: 1;
}

.arena-modal-title {
  font-family: 'Playfair Display', serif;
  font-size: 26px;
  font-weight: 700;
  color: var(--text, #f1f5f9);
}

.arena-modal-reason {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--text3, #888);
}

.arena-modal-score-box {
  width: 100%;
  background: var(--bg1, #1a1917);
  border: 1px solid var(--border, #312e2b);
  border-radius: 10px;
  padding: 10px 14px;
  margin: 4px 0;
  box-sizing: border-box;
}

.arena-modal-score-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  color: var(--text3, #888);
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.arena-modal-score-nums {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.arena-modal-player-name {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--text, #f1f5f9);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.arena-modal-score-digits {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 20px;
  font-weight: 700;
  color: var(--accent, #ad62ff);
  letter-spacing: 2px;
}

.arena-modal-elo {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  margin-bottom: 2px;
}

.arena-modal-status-banner {
  width: 100%;
  padding: 8px 12px;
  border-radius: 6px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  box-sizing: border-box;
  text-align: center;
}

.arena-modal-status-banner.waiting {
  background: rgba(173, 98, 255, 0.12);
  border: 1px solid rgba(173, 98, 255, 0.35);
  color: var(--accent, #ad62ff);
}

.arena-modal-status-banner.declined {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

.arena-modal-actions,
.arena-modal-respond-actions {
  display: flex;
  gap: 10px;
  width: 100%;
  margin-top: 6px;
}

.arena-modal-actions .btn,
.arena-modal-respond-actions .btn {
  flex: 1;
  padding: 10px 14px;
  font-size: 14px;
}

/* ══════════════════════════════════════════════════
   ARENA LOBBY REDESIGN
   ══════════════════════════════════════════════════ */

.arena-lobby-container {
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
  padding: 24px 20px;
}

.arena-hero-header {
  text-align: center;
  margin-bottom: 24px;
}

.arena-hero-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--accent, #c8f044);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.arena-hero-title {
  font-family: 'Playfair Display', serif;
  font-size: 38px;
  font-weight: 700;
  color: var(--text, #f0f0f0);
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.arena-hero-sub {
  font-size: 13px;
  color: var(--text2, #a0a0a0);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.6;
}

/* 2-Column Split Workspace */
.arena-workspace-split {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

@media (max-width: 960px) {
  .arena-workspace-split {
    flex-direction: column;
  }
}

.arena-col-creator {
  flex: 1 1 560px;
  min-width: 0;
  max-width: 100%;
}

.arena-col-lobby {
  flex: 1 1 500px;
  min-width: 0;
  max-width: 100%;
}

/* Mode Selector Grid (2x2 inside creator column) */
.arena-mode-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

@media (max-width: 480px) {
  .arena-mode-grid {
    grid-template-columns: 1fr;
  }
}

.arena-mode-card {
  background: var(--surface, #181a20);
  border: 1px solid var(--border, #2a2d36);
  border-radius: 12px;
  padding: 16px 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  text-align: left;
  user-select: none;
}

.arena-mode-card:hover {
  border-color: rgba(200, 240, 68, 0.4);
  transform: translateY(-2px);
  background: var(--surface2, #20242c);
}

.arena-mode-card.active {
  border-color: var(--accent, #c8f044);
  background: rgba(200, 240, 68, 0.05);
  box-shadow: 0 0 20px rgba(200, 240, 68, 0.12);
}

.arena-mode-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.arena-mode-icon {
  font-size: 20px;
  line-height: 1;
}

.arena-mode-card-title {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--text, #fff);
}

.arena-mode-card.active .arena-mode-card-title {
  color: var(--accent, #c8f044);
}

.arena-mode-card-desc {
  font-size: 11px;
  color: var(--text3, #888);
  line-height: 1.4;
}

/* Active Mode Studio Panel */
.arena-studio-panel {
  background: var(--surface, #181a20);
  border: 1px solid var(--border, #2a2d36);
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 28px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.arena-studio-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border, #2a2d36);
}

.arena-studio-title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text, #fff);
  display: flex;
  align-items: center;
  gap: 8px;
}

.arena-studio-badge {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 12px;
  background: rgba(200, 240, 68, 0.12);
  color: var(--accent, #c8f044);
  border: 1px solid rgba(200, 240, 68, 0.3);
}

/* Presets Bar */
.arena-presets-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.arena-preset-pill {
  background: var(--surface2, #20242c);
  border: 1px solid var(--border, #2a2d36);
  color: var(--text2, #ccc);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.arena-preset-pill:hover {
  border-color: var(--accent, #c8f044);
  color: #fff;
  transform: translateY(-1px);
}

.arena-preset-pill.active {
  background: var(--accent, #c8f044);
  border-color: var(--accent, #c8f044);
  color: #111;
  font-weight: 600;
}

/* Form inputs & split grid */
.arena-split-clocks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 18px;
}

@media (max-width: 600px) {
  .arena-split-clocks {
    grid-template-columns: 1fr;
  }
}

.arena-clock-col {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border, #2a2d36);
  border-radius: 10px;
  padding: 14px 16px;
}

.arena-clock-col-title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--text2, #bbb);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Handicap piece rack */
.arena-handicap-rack-box {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border, #2a2d36);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 18px;
}

.arena-piece-rack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.arena-piece-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--surface2, #20242c);
  border: 1px solid var(--border, #2a2d36);
  border-radius: 8px;
  padding: 6px 12px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  color: var(--text, #fff);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.arena-piece-btn:hover:not(.locked) {
  border-color: var(--warn, #f59e0b);
}

.arena-piece-btn.removed {
  opacity: 0.35;
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.4);
  color: #ef4444;
  text-decoration: line-through;
}

.arena-piece-btn.locked {
  cursor: not-allowed;
  opacity: 0.9;
  border-color: rgba(200, 240, 68, 0.3);
}

/* ══════════════════════════════════════════════════
   MASTER CREATE ACTION BUTTON (Redesigned)
   ══════════════════════════════════════════════════ */
.arena-create-btn {
  width: 100%;
  border-radius: 12px;
  padding: 13px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  margin-top: 16px;
  user-select: none;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.arena-create-btn.mode-standard {
  background: linear-gradient(135deg, #10b981 0%, #059669 50%, #047857 100%);
  border-color: rgba(52, 211, 153, 0.5);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.arena-create-btn.mode-standard:hover {
  background: linear-gradient(135deg, #22c55e 0%, #10b981 50%, #059669 100%);
  border-color: rgba(74, 222, 128, 0.7);
  box-shadow: 0 8px 28px rgba(34, 197, 94, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  transform: translateY(-2px);
}

.arena-create-btn.mode-time_odds {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 50%, #075985 100%);
  border-color: rgba(56, 189, 248, 0.5);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(2, 132, 199, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.arena-create-btn.mode-time_odds:hover {
  background: linear-gradient(135deg, #38bdf8 0%, #0284c7 50%, #0369a1 100%);
  border-color: rgba(125, 211, 252, 0.7);
  box-shadow: 0 8px 28px rgba(2, 132, 199, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  transform: translateY(-2px);
}

.arena-create-btn.mode-simul {
  background: linear-gradient(135deg, #d97706 0%, #b45309 50%, #92400e 100%);
  border-color: rgba(251, 191, 36, 0.5);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(217, 119, 6, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.arena-create-btn.mode-simul:hover {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 50%, #b45309 100%);
  border-color: rgba(252, 211, 77, 0.7);
  box-shadow: 0 8px 28px rgba(217, 119, 6, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  transform: translateY(-2px);
}

.arena-create-btn.mode-handicap {
  background: linear-gradient(135deg, #e11d48 0%, #be123c 50%, #9f1239 100%);
  border-color: rgba(251, 113, 133, 0.5);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(225, 29, 72, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.arena-create-btn.mode-handicap:hover {
  background: linear-gradient(135deg, #f43f5e 0%, #e11d48 50%, #be123c 100%);
  border-color: rgba(253, 164, 175, 0.7);
  box-shadow: 0 8px 28px rgba(225, 29, 72, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  transform: translateY(-2px);
}

.arena-create-btn:active {
  transform: translateY(1px) scale(0.99);
}

.arena-create-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  flex-shrink: 0;
}

.arena-create-labels {
  flex: 1;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.arena-create-title {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.6px;
  color: #ffffff;
  text-transform: uppercase;
}

.arena-create-sub {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.85);
}

.arena-create-arrow {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.arena-create-btn:hover .arena-create-arrow {
  transform: translateX(4px);
  color: #ffffff;
}

/* ══════════════════════════════════════════════════
   LIVE ARENA LOBBY PANEL (Right Column)
   ══════════════════════════════════════════════════ */
.arena-lobby-panel {
  background: var(--surface, #181a20);
  border: 1px solid var(--border, #2a2d36);
  border-radius: 14px;
  padding: 18px 20px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  position: sticky;
  top: 16px;
}

.arena-lobby-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border, #2a2d36);
}

.arena-lobby-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.arena-live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--text, #fff);
  letter-spacing: 0.5px;
}

.arena-live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px #10b981;
  animation: arena-pulse 2s infinite;
}

@keyframes arena-pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 14px #10b981; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.arena-rooms-count-pill {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #10b981;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 12px;
}

.arena-refresh-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 8px;
  color: var(--text2, #a0a0a0);
  transition: all 0.15s ease;
}

.arena-refresh-btn:hover {
  color: var(--text, #fff);
  background: var(--surface2, #20242c);
}

.arena-room-filters {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.arena-filter-pill {
  background: var(--surface2, #20242c);
  border: 1px solid var(--border, #2a2d36);
  color: var(--text3, #888);
  padding: 4px 12px;
  border-radius: 18px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.arena-filter-pill:hover {
  color: var(--text, #fff);
  border-color: rgba(255, 255, 255, 0.2);
}

.arena-filter-pill.active {
  background: rgba(200, 240, 68, 0.12);
  border-color: rgba(200, 240, 68, 0.4);
  color: var(--accent, #c8f044);
}

.arena-rooms-scroll {
  max-height: 540px;
  min-height: 220px;
  overflow-y: auto;
  padding-right: 4px;
}

.arena-rooms-scroll::-webkit-scrollbar {
  width: 5px;
}
.arena-rooms-scroll::-webkit-scrollbar-thumb {
  background: var(--border, #2a2d36);
  border-radius: 4px;
}

.arena-empty-rooms {
  color: var(--text3, #888);
  font-size: 13px;
  text-align: center;
  padding: 42px 16px;
  font-style: italic;
  font-family: 'IBM Plex Mono', monospace;
}

/* ══════════════════════════════════════════════════
   ROOM CARDS (Redesigned)
   ══════════════════════════════════════════════════ */
.arena-room-card {
  background: var(--surface2, #20242c);
  border: 1px solid var(--border, #2a2d36);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.arena-room-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(36, 42, 54, 0.95);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.arena-room-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.arena-room-host-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.arena-room-avatar {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--text2, #a0a0a0);
}

.arena-room-creator-name {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 600;
  font-size: 13px;
  color: var(--text, #fff);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 140px;
}

.arena-room-details-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--text3, #888);
  font-family: 'IBM Plex Mono', monospace;
}

.arena-room-tc-pill {
  background: rgba(255, 255, 255, 0.05);
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-weight: 600;
  color: var(--text2, #a0a0a0);
}

.arena-room-status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.arena-room-status-indicator.waiting {
  color: #10b981;
}

.arena-room-status-indicator.in_progress {
  color: #f59e0b;
}

.arena-room-status-indicator.finished {
  color: var(--text3, #888);
}

.arena-status-dot-sm {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.arena-room-action-wrap {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.arena-room-delete-btn {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  line-height: 1;
  transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

.arena-room-delete-btn:hover {
  background: rgba(239, 68, 68, 0.25);
  border-color: #ef4444;
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.35);
}

.arena-room-delete-btn:active {
  transform: translateY(0);
}

/* ══════════════════════════════════════════════════
   JOIN & WATCH BUTTONS (Redesigned)
   ══════════════════════════════════════════════════ */
.arena-join-btn {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  border: 1px solid rgba(52, 211, 153, 0.5);
  color: #ffffff;
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.8px;
  padding: 8px 18px;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 3px 12px rgba(16, 185, 129, 0.35);
  transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

.arena-join-btn:hover {
  background: linear-gradient(135deg, #22c55e 0%, #10b981 100%);
  border-color: rgba(74, 222, 128, 0.7);
  box-shadow: 0 5px 18px rgba(34, 197, 94, 0.5);
  transform: translateY(-1px) scale(1.02);
}

.arena-join-btn:active {
  transform: translateY(1px) scale(0.98);
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.25);
}

.arena-join-arrow {
  font-size: 14px;
  transition: transform 0.15s ease;
}

.arena-join-btn:hover .arena-join-arrow {
  transform: translateX(2px);
}

.arena-watch-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text2, #a0a0a0);
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.4px;
  padding: 7px 14px;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.arena-watch-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--text, #fff);
  transform: translateY(-1px);
}

.arena-room-full-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--text3, #888);
  padding: 4px 8px;
}

/* Room list item badges */
.handicap-room-badge {
  background: rgba(235, 87, 87, 0.15);
  border: 1px solid rgba(235, 87, 87, 0.4);
  color: #ef4444;
  font-size: 10px;
  padding: 1px 7px;
  border-radius: 10px;
  font-family: 'IBM Plex Mono', monospace;
}

.custom-room-badge {
  background: rgba(80, 160, 240, 0.15);
  border: 1px solid rgba(80, 160, 240, 0.4);
  color: #50a0f0;
  font-size: 10px;
  padding: 1px 7px;
  border-radius: 10px;
  font-family: 'IBM Plex Mono', monospace;
}

.simul-room-badge {
  background: rgba(217, 119, 6, 0.15);
  border: 1px solid rgba(217, 119, 6, 0.4);
  color: #f59e0b;
  font-size: 10px;
  padding: 1px 7px;
  border-radius: 10px;
  font-family: 'IBM Plex Mono', monospace;
}

.standard-room-badge {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10b981;
  font-size: 10px;
  padding: 1px 7px;
  border-radius: 10px;
  font-family: 'IBM Plex Mono', monospace;
}