/* ===========================
   Battle Lobby Page Styles
   =========================== */

/* --- Scene Switcher --- */
.scene-switcher {
  position: sticky;
  top: var(--topbar-height);
  z-index: 10;
  background: var(--body-bg);
  padding: 0.75rem 2rem;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
}
.scene-tabs {
  display: flex;
  gap: 0.375rem;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.scene-tabs::-webkit-scrollbar { display: none; }
.scene-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.45rem 0.875rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}
.scene-tab:hover {
  border-color: rgba(var(--accent-rgb), 0.3);
  color: var(--accent);
}
.scene-tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.scene-tab i { font-size: 0.85rem; }

.scene { display: none; }
.scene.active { display: block; }

/* --- Page Header --- */
.lobby-page-header {
  padding: 1.5rem 2rem 0.5rem;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
}
.lobby-page-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.25rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.lobby-page-subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.lobby-online-count {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.375rem;
}
.lobby-online-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* --- Lobby Content Container --- */
.lobby-content {
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: 0.5rem 2rem 2rem;
}

/* --- Create Room Button (top) --- */
.lobby-create-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.5rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
  text-decoration: none;
  margin-bottom: 1.25rem;
}
.lobby-create-btn:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}
.lobby-create-btn i { font-size: 1rem; }

/* --- Filter Bar --- */
.lobby-filter-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.lobby-filter-group {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}
.lobby-filter-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.lobby-filter-btn:hover {
  border-color: rgba(var(--accent-rgb), 0.3);
  color: var(--accent);
}
.lobby-filter-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.lobby-filter-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}
.lobby-filter-checkbox input[type="checkbox"] {
  accent-color: var(--accent);
}

/* --- Room Mode Badge (in card) --- */
.room-card-meta {
  margin-bottom: 0.375rem;
}
.room-mode-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.125rem 0.5rem;
  border-radius: 10px;
  font-size: 0.65rem;
  font-weight: 700;
}
.room-mode-ranked {
  background: rgba(245, 158, 11, 0.12);
  color: #d97706;
}
.room-mode-enjoy {
  background: rgba(59, 130, 246, 0.12);
  color: #2563eb;
}
.room-mode-badge i { font-size: 0.6rem; }

/* --- Room Grid --- */
.room-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

/* --- Room Card --- */
.room-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  overflow: hidden;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.room-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  border-color: rgba(var(--accent-rgb), 0.2);
}
.room-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem 0.5rem;
  gap: 0.5rem;
}
.room-card-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.375rem;
  min-width: 0;
}
.room-card-name span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.room-lock-icon {
  color: var(--text-muted);
  font-size: 0.8rem;
  flex-shrink: 0;
}
.room-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.625rem;
  border-radius: 12px;
  font-size: 0.68rem;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}
.room-status-waiting {
  background: rgba(34, 197, 94, 0.12);
  color: #16a34a;
}
.room-status-playing {
  background: rgba(var(--accent-rgb), 0.12);
  color: var(--accent);
}
.room-status-full {
  background: rgba(128, 128, 128, 0.12);
  color: var(--text-muted);
}
.room-card-body {
  padding: 0 1rem 0.75rem;
}
.room-song-name {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.375rem;
}
.room-song-name i {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.room-players {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
.room-players i { font-size: 0.85rem; }
.room-players-count {
  font-weight: 700;
  color: var(--text-primary);
}
.room-card-actions {
  display: flex;
  gap: 0.5rem;
}
.room-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.4rem 0.875rem;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-secondary);
  flex: 1;
}
.room-btn:hover {
  border-color: rgba(var(--accent-rgb), 0.3);
  color: var(--accent);
}
.room-btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.room-btn-primary:hover {
  opacity: 0.85;
  color: #fff;
}
.room-btn-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* --- Empty Room State --- */
.lobby-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  margin-bottom: 1.5rem;
}
.lobby-empty i {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  display: block;
  opacity: 0.4;
}
.lobby-empty-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.375rem;
}
.lobby-empty-text {
  font-size: 0.85rem;
  line-height: 1.5;
}

/* --- Global Chat --- */
.lobby-chat-section {
  margin-top: 1rem;
}
.lobby-chat-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: all 0.2s;
}
.lobby-chat-toggle:hover {
  border-color: rgba(var(--accent-rgb), 0.2);
}
.lobby-chat-toggle i.chevron {
  margin-left: auto;
  transition: transform 0.2s;
}
.lobby-chat-toggle.open i.chevron {
  transform: rotate(180deg);
}
.lobby-chat-panel {
  display: none;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-top: none;
  border-radius: 0 0 var(--card-radius) var(--card-radius);
  padding: 0;
  overflow: hidden;
}
.lobby-chat-panel.open {
  display: block;
}
.lobby-chat-messages {
  height: 200px;
  overflow-y: auto;
  padding: 0.75rem 1rem;
}
.lobby-chat-msg {
  margin-bottom: 0.5rem;
  font-size: 0.82rem;
  line-height: 1.4;
}
.lobby-chat-msg-user {
  font-weight: 700;
  color: var(--accent);
}
.lobby-chat-msg-text {
  color: var(--text-primary);
}
.lobby-chat-msg-time {
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-left: 0.375rem;
}
.lobby-chat-msg-system {
  color: var(--text-muted);
  font-style: italic;
}
.lobby-chat-input-row {
  display: flex;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  border-top: 1px solid var(--border-color);
}
.lobby-chat-input {
  flex: 1;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--body-bg);
  color: var(--text-primary);
  font-size: 0.82rem;
  outline: none;
  transition: border-color 0.2s;
}
.lobby-chat-input:focus {
  border-color: var(--accent);
}
.lobby-chat-send-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.875rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}
.lobby-chat-send-btn:hover { opacity: 0.85; }

/* ===========================
   Scene 2: Create Room Form
   =========================== */
.create-room-form {
  max-width: 560px;
  width: 100%;
  margin: 0 auto;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 1.5rem;
}
.create-room-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 1.25rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.create-room-title i { color: var(--accent); }
.form-group {
  margin-bottom: 1rem;
}
.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.375rem;
}
.form-label .optional {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.72rem;
  margin-left: 0.25rem;
}
.form-input,
.form-select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--body-bg);
  color: var(--text-primary);
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}
.form-input:focus,
.form-select:focus {
  border-color: var(--accent);
}
.form-input::placeholder {
  color: var(--text-muted);
}
.form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}

/* Mode Select */
.mode-options {
  display: flex;
  gap: 0.75rem;
}
.mode-option {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.375rem;
  padding: 0.875rem 0.75rem;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background: var(--card-bg);
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}
.mode-option:hover:not(.disabled) {
  border-color: rgba(var(--accent-rgb), 0.3);
}
.mode-option.selected {
  border-color: var(--accent);
  background: rgba(var(--accent-rgb), 0.06);
}
.mode-option.disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.mode-option i {
  font-size: 1.5rem;
  color: var(--accent);
}
.mode-option.disabled i {
  color: var(--text-muted);
}
.mode-option-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
}
.mode-option.disabled .mode-option-name {
  color: var(--text-muted);
}
.mode-option-desc {
  font-size: 0.72rem;
  color: var(--text-muted);
}
.mode-badge-soon {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  background: var(--border-color);
  color: var(--text-muted);
  padding: 1px 6px;
  border-radius: 3px;
  margin-top: 0.125rem;
}

.form-submit-row {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.form-submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.5rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
  flex: 1;
}
.form-submit-btn:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}
.form-cancel-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.625rem 1.25rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--card-bg);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.form-cancel-btn:hover {
  border-color: rgba(var(--accent-rgb), 0.3);
  color: var(--accent);
}

/* --- Song Info Box --- */
.battle-song-info-box {
  padding: 0.875rem 1rem;
  background: rgba(var(--accent-rgb), 0.06);
  border-radius: 8px;
  border: 1px solid rgba(var(--accent-rgb), 0.12);
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.battle-song-info-box i {
  color: var(--accent);
  margin-right: 0.375rem;
}

/* --- Loading State --- */
.lobby-loading {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}
.lobby-loading-spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 0.75rem;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- Rating Display --- */
.lobby-rating-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}
.lobby-rating-badge i {
  color: var(--accent);
}

/* ===========================
   Responsive
   =========================== */
@media (max-width: 768px) {
  .lobby-page-header {
    padding: 1.25rem 1.25rem 0.375rem;
  }
  .lobby-page-title { font-size: 1.5rem; }
  .scene-switcher { padding: 0.625rem 1.25rem; }
  .lobby-content { padding: 0.5rem 1.25rem 2rem; }
  .room-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
}

@media (max-width: 640px) {
  .lobby-page-header { padding: 1rem 1rem 0.25rem; }
  .lobby-page-title { font-size: 1.35rem; }
  .scene-switcher { padding: 0.5rem 1rem; }
  .scene-tab { padding: 0.375rem 0.625rem; font-size: 0.72rem; }
  .lobby-content { padding: 0.25rem 0.75rem 2rem; }
  .lobby-filter-bar { gap: 0.5rem; }
  .lobby-filter-btn { padding: 0.3rem 0.625rem; font-size: 0.7rem; }
  .room-grid { grid-template-columns: 1fr; }
  .room-card-header { flex-wrap: wrap; }
  .create-room-form { padding: 1rem; }
  .mode-options { flex-direction: column; }
  .form-submit-row { flex-direction: column; }
}

/* ===========================
   Battle Room (Waiting) Page
   =========================== */

/* --- Room Header --- */
.room-header {
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem 2rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.room-header-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.room-header-title i {
  color: var(--accent);
  font-size: 1.5rem;
}

/* --- Mode Badge (Large) --- */
.room-mode-badge-large {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.875rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
}
.room-mode-badge-large.room-mode-ranked {
  background: rgba(245, 158, 11, 0.12);
  color: #d97706;
}
.room-mode-badge-large.room-mode-enjoy {
  background: rgba(59, 130, 246, 0.12);
  color: #2563eb;
}
.room-mode-badge-large i {
  font-size: 0.85rem;
}

/* --- Room Content Container --- */
.room-content {
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
  padding: 0 2rem 2rem;
}

/* --- Status Message (temporary) --- */
.room-status-message {
  padding: 0.75rem 1rem;
  background: rgba(var(--accent-rgb), 0.12);
  border: 1px solid rgba(var(--accent-rgb), 0.3);
  border-radius: 8px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
  text-align: center;
}

/* --- Room Section (common) --- */
.room-section {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}
.room-section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 1rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.room-section-title i {
  color: var(--accent);
}

/* --- Player List --- */
.room-player-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  background: var(--body-bg);
  border: 1px solid var(--border-color);
  transition: background 0.2s;
}
.room-player-row:last-child {
  margin-bottom: 0;
}
.room-player-row:hover {
  background: rgba(var(--accent-rgb), 0.03);
}
.room-player-me {
  background: rgba(var(--accent-rgb), 0.08);
  border-color: rgba(var(--accent-rgb), 0.2);
}
.room-player-name {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}
.room-master-icon {
  color: gold;
  font-size: 0.95rem;
}
.room-guest-badge {
  display: inline-block;
  padding: 0.125rem 0.375rem;
  background: var(--border-color);
  color: var(--text-muted);
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: 6px;
}
.room-rating-badge {
  display: inline-block;
  padding: 0.1rem 0.4rem;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 8px;
  line-height: 1.2;
}
.rating-tier-bronze  { background: #e8a060; color: #5a3000; }
.rating-tier-silver  { background: #d0d0d0; color: #444; }
.rating-tier-gold    { background: #ffd700; color: #5a3e00; }
.rating-tier-platinum { background: #7fd4e8; color: #1a4a5a; }
.rating-tier-diamond { background: #b8c8ff; color: #2a3070; }
.rating-tier-master  { background: linear-gradient(135deg, #ff6b6b, #ffd700); color: #fff; }
.room-player-status {
  display: flex;
  align-items: center;
}
.player-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.625rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 700;
}
.player-status-ready {
  background: rgba(34, 197, 94, 0.12);
  color: #16a34a;
}
.player-status-waiting {
  background: rgba(128, 128, 128, 0.12);
  color: var(--text-muted);
}
.room-empty-message {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* --- Song Section --- */
.room-song-selected {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1rem;
  background: rgba(var(--accent-rgb), 0.06);
  border: 1px solid rgba(var(--accent-rgb), 0.12);
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}
.room-song-selected i {
  color: var(--accent);
  font-size: 1.1rem;
}
.room-song-title {
  flex: 1;
}
.room-song-empty {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1rem;
  background: var(--body-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.room-song-empty i {
  font-size: 1rem;
}

/* --- Chat Section --- */
.room-chat-section {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}
.room-chat-messages {
  max-height: 200px;
  overflow-y: auto;
  margin-bottom: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
}
.room-chat-msg {
  margin-bottom: 0.5rem;
  font-size: 0.82rem;
  line-height: 1.4;
}
.room-chat-msg-user {
  font-weight: 700;
  color: var(--accent);
}
.room-chat-msg-text {
  color: var(--text-primary);
}
.room-chat-msg-time {
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-left: 0.375rem;
}
.room-chat-input-row {
  display: flex;
  gap: 0.5rem;
}
.room-chat-input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--body-bg);
  color: var(--text-primary);
  font-size: 0.82rem;
  outline: none;
  transition: border-color 0.2s;
}
.room-chat-input:focus {
  border-color: var(--accent);
}
.room-chat-send-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0.875rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}
.room-chat-send-btn:hover {
  opacity: 0.85;
}

/* --- Spectator Section --- */
.room-spectator-section {
  padding: 0.875rem 1.25rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
}
.room-spectator-section i {
  color: var(--accent);
  margin-right: 0.375rem;
}
.room-spectator-empty {
  color: var(--text-muted);
}

/* --- Action Bar --- */
.room-action-bar {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}
.room-btn-ready,
.room-btn-leave,
.room-btn-start {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  flex: 1;
}
.room-btn-ready {
  background: var(--accent);
  color: #fff;
}
.room-btn-ready:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}
.room-btn-leave {
  background: var(--card-bg);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}
.room-btn-leave:hover {
  border-color: #ef4444;
  color: #ef4444;
}
.room-btn-start {
  background: #22c55e;
  color: #fff;
}
.room-btn-start:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}
.room-btn-start.btn-disabled {
  background: var(--border-color);
  color: var(--text-muted);
  cursor: not-allowed;
  opacity: 0.6;
  pointer-events: none;
}
.room-btn-invite {
  background: var(--surface-color, #f5f5f5);
  color: var(--text-secondary, #555);
  border: 1px solid var(--border-color, #ddd);
}
.room-btn-invite:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

/* ===========================
   Room Page Responsive
   =========================== */
@media (max-width: 768px) {
  .room-header {
    padding: 1.25rem 1.25rem 0.875rem;
  }
  .room-header-title {
    font-size: 1.5rem;
  }
  .room-content {
    padding: 0 1.25rem 2rem;
  }
}

@media (max-width: 640px) {
  .room-header {
    padding: 1rem 1rem 0.75rem;
    flex-direction: column;
    align-items: flex-start;
  }
  .room-header-title {
    font-size: 1.35rem;
  }
  .room-content {
    padding: 0 0.75rem 2rem;
  }
  .room-section {
    padding: 1rem 1.25rem;
  }
  .room-player-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .room-action-bar {
    flex-direction: column;
  }
}

/* ===========================
   Song Proposal Styles
   =========================== */

/* --- 曲提案セクション --- */
.room-proposals { margin-top: 1rem; }
.room-proposals-title {
  font-size: 0.9rem;
  color: #a0a0c0;
  margin-bottom: 0.5rem;
  font-weight: 600;
}
.room-proposal-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  background: rgba(255,255,255,0.03);
  border-radius: 6px;
  margin-bottom: 0.4rem;
  gap: 0.5rem;
}
.room-proposal-song {
  flex: 1;
  color: #e0e0e0;
  font-size: 0.95rem;
}
.room-proposal-song i {
  color: #7c8bff;
  margin-right: 0.3rem;
}
.room-proposal-by {
  color: #8888aa;
  font-size: 0.8rem;
  white-space: nowrap;
}
.room-proposal-actions {
  display: flex;
  gap: 0.3rem;
}
.room-proposal-select-btn {
  background: #28a745;
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 0.25rem 0.6rem;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.2s;
}
.room-proposal-select-btn:hover { background: #218838; }
.room-proposal-remove-btn {
  background: transparent;
  color: #ff6b6b;
  border: 1px solid rgba(255,107,107,0.3);
  border-radius: 4px;
  padding: 0.25rem 0.6rem;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
}
.room-proposal-remove-btn:hover {
  background: rgba(255,107,107,0.1);
  border-color: rgba(255,107,107,0.6);
}

/* 曲を探しに行くリンク */
.room-song-actions {
  margin-top: 0.75rem;
  text-align: center;
}
.room-browse-songs-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #7c8bff;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border: 1px solid rgba(124,139,255,0.3);
  border-radius: 6px;
  font-size: 0.9rem;
  transition: all 0.2s;
}
.room-browse-songs-btn:hover {
  background: rgba(124,139,255,0.1);
  border-color: rgba(124,139,255,0.6);
  color: #9aa5ff;
}

/* --- 曲検索モーダル --- */
.room-search-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 12px;
  border-bottom: 2px solid var(--border-color, #ddd);
}
.room-search-tab {
  flex: 1;
  padding: 8px 12px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-secondary, #666);
  transition: color 0.2s, border-color 0.2s;
}
.room-search-tab:hover {
  color: var(--text-primary, #333);
}
.room-search-tab.active {
  color: var(--primary-color, #4a90d9);
  border-bottom-color: var(--primary-color, #4a90d9);
  font-weight: 600;
}

.room-search-results {
  max-height: 400px;
  overflow-y: auto;
  margin-top: 0.75rem;
}
.room-search-result-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color, #333);
}
.room-search-result-row:last-child {
  border-bottom: none;
}
.room-search-result-thumb {
  width: 80px;
  flex-shrink: 0;
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--code-bg, #111);
}
.room-search-result-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.room-search-result-info {
  flex: 1;
  min-width: 0;
}
.room-search-result-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary, #e0e0e0);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.room-search-result-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted, #888);
  margin-top: 0.25rem;
}
.room-search-propose-btn {
  flex-shrink: 0;
  background: var(--accent, #6c63ff);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}
.room-search-propose-btn:hover {
  opacity: 0.85;
}
.room-search-propose-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.room-search-propose-btn.proposed {
  background: #28a745;
}
.room-search-status {
  text-align: center;
  padding: 1rem;
  color: var(--text-muted, #888);
  font-size: 0.85rem;
}

@media (max-width: 640px) {
  .room-search-result-thumb {
    width: 60px;
  }
  .room-search-result-title {
    font-size: 0.8rem;
  }
}

@media (max-width: 640px) {
  .room-proposal-row {
    flex-direction: column;
    align-items: flex-start;
  }
  .room-proposal-actions {
    align-self: flex-end;
  }
}

/* --- ルーム設定セクション --- */
.room-settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.room-setting-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.room-setting-label {
  font-size: 0.8rem;
  color: #8888aa;
  font-weight: 600;
}
.room-setting-value {
  color: #e0e0e0;
  font-size: 0.95rem;
}
.room-setting-select {
  background: #1a1a2e;
  color: #e0e0e0;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  padding: 0.4rem 0.6rem;
  font-size: 0.9rem;
}
.room-setting-select:focus {
  border-color: #7c8bff;
  outline: none;
}
.room-setting-speed {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.room-speed-btn {
  background: rgba(255,255,255,0.05);
  color: #e0e0e0;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}
.room-speed-btn:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
}
.room-setting-checkbox {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: #e0e0e0;
  font-size: 0.9rem;
  cursor: pointer;
}
.room-setting-checkbox input[type="checkbox"] {
  accent-color: #7c8bff;
}

/* --- ハンデ設定テーブル --- */
.room-handicap-table-wrap {
  overflow-x: auto;
}
.room-handicap-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.room-handicap-table th {
  text-align: left;
  padding: 0.5rem;
  color: #8888aa;
  font-weight: 600;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  white-space: nowrap;
}
.room-handicap-table td {
  padding: 0.4rem 0.5rem;
  color: #e0e0e0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.room-handicap-input {
  background: #1a1a2e;
  color: #e0e0e0;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  padding: 0.3rem 0.4rem;
  width: 70px;
  font-size: 0.85rem;
  text-align: center;
}
.room-handicap-input:focus {
  border-color: #7c8bff;
  outline: none;
}
.room-handicap-actions {
  margin-top: 0.75rem;
  text-align: right;
}
.room-handicap-save-btn {
  background: #28a745;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 0.5rem 1.2rem;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s;
}
.room-handicap-save-btn:hover { background: #218838; }

@media (max-width: 640px) {
  .room-settings-grid {
    grid-template-columns: 1fr;
  }
}

/* --- ルーム参加中バー（グローバル、画面下部固定） --- */
.battle-room-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  border-top: 2px solid #7c8bff;
  padding: 0.6rem 1rem;
  z-index: 1000;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.4);
}
.battle-room-bar-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.battle-room-bar-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #e0e0e0;
  font-size: 0.9rem;
}
.battle-room-bar-info > i {
  color: #7c8bff;
  font-size: 1.1rem;
}
.battle-room-bar-name {
  font-weight: 600;
}
.battle-room-bar-count {
  color: #8888aa;
  font-size: 0.85rem;
}
.battle-room-bar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.battle-room-bar-propose-btn {
  background: rgba(124,139,255,0.15);
  color: #7c8bff;
  border: 1px solid rgba(124,139,255,0.3);
  border-radius: 6px;
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  white-space: nowrap;
}
.battle-room-bar-propose-btn:hover {
  background: rgba(124,139,255,0.25);
  border-color: rgba(124,139,255,0.5);
}
.battle-room-bar-propose-btn.proposed {
  background: rgba(40,167,69,0.15);
  color: #28a745;
  border-color: rgba(40,167,69,0.3);
  cursor: default;
}
.battle-room-bar-back-btn {
  background: #7c8bff;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: background 0.2s;
  white-space: nowrap;
}
.battle-room-bar-back-btn:hover {
  background: #6a78e6;
  color: #fff;
}

/* 参加中バーがある場合のbody下部余白 */
body:has(.battle-room-bar) main {
  padding-bottom: 60px;
}

@media (max-width: 640px) {
  .battle-room-bar-content {
    flex-direction: column;
    gap: 0.5rem;
  }
  .battle-room-bar-actions {
    width: 100%;
    justify-content: center;
  }
}

/* ===========================
   Battle Play Page Styles
   =========================== */

/* --- Full-screen Play Layout --- */
.battle-play-page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--body-bg);
  position: relative;
}

/* --- Status Bar --- */
.battle-play-status-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 1.5rem;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  font-size: 0.82rem;
  z-index: 10;
  flex-wrap: wrap;
}
.battle-play-room-name {
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.375rem;
}
.battle-play-room-name i {
  color: var(--accent);
}
.battle-play-song-title {
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.375rem;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.battle-play-song-title i {
  color: var(--accent);
  flex-shrink: 0;
}
.battle-play-elapsed {
  font-family: monospace;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  background: var(--body-bg);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}
.battle-play-mode-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.625rem;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 700;
  white-space: nowrap;
}
.badge-ranked {
  background: rgba(245, 158, 11, 0.12);
  color: #d97706;
}
.badge-enjoy {
  background: rgba(59, 130, 246, 0.12);
  color: #2563eb;
}

/* --- Countdown Overlay --- */
.battle-countdown-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.battle-countdown-number {
  font-size: 6rem;
  font-weight: 900;
  color: #fff;
  text-shadow: 0 0 40px rgba(var(--accent-rgb), 0.6);
  opacity: 0;
}
.battle-countdown-number.countdown-animate {
  animation: countdown_fade 0.9s ease-out forwards;
}
@keyframes countdown_fade {
  0% {
    opacity: 0;
    transform: scale(2);
  }
  30% {
    opacity: 1;
    transform: scale(1);
  }
  80% {
    opacity: 1;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: scale(0.8);
  }
}

/* --- Main Content Area --- */
.battle-play-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 1rem 1.5rem;
  gap: 1rem;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
}

/* --- Video Area --- */
.battle-play-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  overflow: hidden;
}
.battle-play-video-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  color: var(--text-muted);
}
.battle-play-video-placeholder i {
  font-size: 3rem;
  opacity: 0.3;
}
.battle-play-video-placeholder span {
  font-size: 0.9rem;
}

/* --- Typing Stub (Test Input) --- */
.battle-typing-stub {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 1rem 1.25rem;
}
.battle-typing-stub-header {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.375rem;
}
.battle-typing-stub-controls {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.5rem;
  align-items: end;
}
.battle-typing-stub-controls label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 600;
}
.battle-typing-stub-controls input[type="number"] {
  width: 100%;
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--body-bg);
  color: var(--text-primary);
  font-size: 0.85rem;
  text-align: center;
  outline: none;
  transition: border-color 0.2s;
}
.battle-typing-stub-controls input[type="number"]:focus {
  border-color: var(--accent);
}
.battle-stub-send-btn,
.battle-stub-finish-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
  border: none;
  white-space: nowrap;
}
.battle-stub-send-btn {
  background: var(--accent);
  color: #fff;
}
.battle-stub-send-btn:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}
.battle-stub-finish-btn {
  background: #22c55e;
  color: #fff;
}
.battle-stub-finish-btn:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

/* --- Scoreboard --- */
.battle-scoreboard {
  position: fixed;
  top: 50%;
  right: 1rem;
  transform: translateY(-50%);
  width: 340px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  z-index: 50;
  color: #e0e0e0;
  font-size: 0.78rem;
}
.battle-scoreboard-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 0.875rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.battle-scoreboard-title {
  font-weight: 700;
  font-size: 0.82rem;
}
.battle-scoreboard-mode-label {
  font-size: 0.68rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}
.battle-scoreboard-hint {
  margin-left: auto;
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.4);
}
.battle-scoreboard-hint kbd {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 3px;
  padding: 0 0.25rem;
  font-size: 0.62rem;
}

/* Scoreboard body - scroll mode */
.battle-scoreboard.scoreboard-scroll .battle-scoreboard-body {
  max-height: 292px;
  overflow-y: auto;
}

/* Scoreboard body - fixed mode */
.battle-scoreboard.scoreboard-fixed .battle-scoreboard-body {
  max-height: none;
  overflow-y: visible;
}

/* --- Score Row --- */
.battle-score-row {
  display: grid;
  grid-template-columns: 24px 1fr 56px 60px 32px 40px 36px 32px;
  align-items: center;
  gap: 0.25rem;
  padding: 0.4rem 0.875rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: background 0.2s;
}
.battle-score-row:last-child {
  border-bottom: none;
}
.battle-score-row:hover {
  background: rgba(255, 255, 255, 0.04);
}
.battle-score-row-me {
  background: rgba(var(--accent-rgb), 0.12);
}
.battle-score-row-me:hover {
  background: rgba(var(--accent-rgb), 0.18);
}
.battle-score-row-disconnected {
  opacity: 0.5;
  filter: grayscale(0.5);
}

/* Score row columns */
.battle-score-rank {
  font-weight: 700;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}
.battle-score-name {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
}
.battle-master-icon {
  color: gold;
  font-size: 0.8rem;
  flex-shrink: 0;
}
.battle-score-value {
  text-align: right;
  font-weight: 700;
  font-family: monospace;
  color: #fff;
}
.battle-score-progress {
  display: flex;
  align-items: center;
}
.battle-progress-bar-bg {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
}
.battle-progress-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.3s ease;
}
.battle-score-miss {
  text-align: center;
  color: #ef4444;
  font-weight: 600;
}
.battle-score-speed {
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
}
.battle-score-combo {
  text-align: center;
  color: #fbbf24;
  font-weight: 600;
}
.battle-score-cheer {
  text-align: center;
  color: #f472b6;
}

/* --- Spectator Badge --- */
.battle-spectator-badge {
  position: fixed;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 1.25rem;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
  font-weight: 600;
  z-index: 50;
}
.battle-spectator-badge i {
  font-size: 1rem;
}

/* ===========================
   Battle Play Responsive
   =========================== */
@media (max-width: 1200px) {
  .battle-scoreboard {
    position: relative;
    top: auto;
    right: auto;
    transform: none;
    width: 100%;
    max-width: 960px;
    margin: 0 auto 1rem;
  }
}

@media (max-width: 768px) {
  .battle-play-status-bar {
    padding: 0.4rem 1rem;
    gap: 0.5rem;
    font-size: 0.75rem;
  }
  .battle-play-main {
    padding: 0.75rem 1rem;
  }
  .battle-typing-stub-controls {
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  }
  .battle-score-row {
    grid-template-columns: 20px 1fr 48px 48px 28px 36px 32px 28px;
    padding: 0.35rem 0.625rem;
    font-size: 0.72rem;
  }
}

@media (max-width: 640px) {
  .battle-play-status-bar {
    padding: 0.35rem 0.75rem;
    gap: 0.375rem;
    font-size: 0.7rem;
  }
  .battle-play-elapsed {
    font-size: 0.78rem;
  }
  .battle-play-main {
    padding: 0.5rem 0.75rem;
  }
  .battle-countdown-number {
    font-size: 4rem;
  }
  .battle-typing-stub-controls {
    grid-template-columns: 1fr 1fr;
  }
  .battle-score-row {
    grid-template-columns: 18px 1fr 44px 44px 24px;
    font-size: 0.68rem;
  }
  .battle-score-speed,
  .battle-score-combo,
  .battle-score-cheer {
    display: none;
  }
}

/* --- Player Finished State --- */
.battle-score-row-finished {
  opacity: 0.7;
}
.battle-finished-icon {
  color: #22c55e;
  font-size: 0.75rem;
  margin-left: 0.25rem;
}

/* ===========================
   Battle Spectator & Cheer
   =========================== */

/* --- Spectator Panel --- */
.battle-spectator-panel {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 1rem;
}

/* --- Cheer Panel --- */
.battle-cheer-panel {
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  max-width: 600px;
  width: calc(100% - 2rem);
}
.battle-cheer-title {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
  margin-bottom: 0.5rem;
}
.battle-cheer-players {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}
.battle-cheer-player-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.25rem 0;
}
.battle-cheer-player-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  min-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.battle-cheer-buttons {
  display: flex;
  gap: 0.25rem;
}
.battle-cheer-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.85rem;
}
.battle-cheer-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  color: #fff;
  transform: scale(1.1);
}
.battle-cheer-btn:active,
.battle-cheer-btn-sent {
  transform: scale(0.9);
  background: rgba(var(--accent-rgb), 0.3);
  border-color: var(--accent);
}

/* --- Cheer Pulse on Scoreboard --- */
.battle-cheer-pulse {
  animation: cheer_pulse 0.6s ease-out;
}
@keyframes cheer_pulse {
  0% { color: #f472b6; transform: scale(1.3); }
  100% { color: #f472b6; transform: scale(1); }
}

/* --- Cheer Float Effect --- */
.battle-cheer-effect {
  position: absolute;
  right: -8px;
  top: -12px;
  font-size: 0.85rem;
  pointer-events: none;
  animation: cheer_float 1.5s ease-out forwards;
  z-index: 10;
  white-space: nowrap;
}
@keyframes cheer_float {
  0% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  60% {
    opacity: 1;
    transform: translateY(-20px) scale(1.2);
  }
  100% {
    opacity: 0;
    transform: translateY(-40px) scale(0.8);
  }
}

/* Responsive */
@media (max-width: 640px) {
  .battle-cheer-panel {
    padding: 0.5rem 0.75rem;
  }
  .battle-cheer-player-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
  .battle-cheer-buttons {
    align-self: flex-end;
  }
  .battle-cheer-btn {
    width: 28px;
    height: 28px;
    font-size: 0.78rem;
  }
}

/* ===========================
   Battle Result Screen
   =========================== */

/* --- Result Overlay --- */
.battle-result-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  animation: result_fade_in 0.5s ease-out;
}
@keyframes result_fade_in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* --- Result Card --- */
.battle-result-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  max-width: 700px;
  width: calc(100% - 2rem);
  max-height: 80vh;
  overflow-y: auto;
  animation: result_card_in 0.4s ease-out 0.2s both;
}
@keyframes result_card_in {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* --- Result Header --- */
.battle-result-header {
  text-align: center;
  margin-bottom: 1.5rem;
}
.battle-result-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.75rem 0;
}
.battle-result-winner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 1.1rem;
}
.battle-result-trophy {
  font-size: 2rem;
}
.battle-result-winner-name {
  font-weight: 700;
  color: #ffd700;
  font-size: 1.25rem;
}
.battle-result-streak {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 700;
}

/* --- Result Table --- */
.battle-result-table {
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  font-size: 0.85rem;
}
.battle-result-table-header {
  display: grid;
  grid-template-columns: 48px 1fr 72px 56px 56px 48px 56px;
  gap: 0.25rem;
  padding: 0.625rem 1rem;
  background: var(--body-bg);
  font-weight: 700;
  color: var(--text-secondary);
  font-size: 0.75rem;
}
.battle-result-row {
  display: grid;
  grid-template-columns: 48px 1fr 72px 56px 56px 48px 56px;
  gap: 0.25rem;
  padding: 0.5rem 1rem;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  transition: background 0.2s;
}
.battle-result-row:last-child {
  border-bottom: none;
}
.battle-result-row:hover {
  background: rgba(var(--accent-rgb), 0.04);
}
.battle-result-row-me {
  background: rgba(var(--accent-rgb), 0.08);
}
.battle-result-row-inactive {
  opacity: 0.5;
}
.battle-result-rank {
  text-align: center;
  font-size: 1.1rem;
}
.battle-result-name {
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.battle-result-score {
  text-align: right;
  font-weight: 700;
  font-family: monospace;
}
.battle-result-status {
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* --- SNS Share --- */
.battle-result-share {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1rem;
}
.battle-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border-color, #dee2e6);
  border-radius: 6px;
  background: var(--bg-card, #fff);
  color: var(--text-primary, #212529);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.battle-share-btn:hover {
  background: var(--bg-hover, #f0f0f0);
}
.battle-share-x:hover {
  border-color: #1da1f2;
  color: #1da1f2;
}
.battle-share-line:hover {
  border-color: #06c755;
  color: #06c755;
}
.battle-share-copy:hover {
  border-color: var(--primary, #6c5ce7);
  color: var(--primary, #6c5ce7);
}

/* --- チャットルールバナー --- */
.room-chat-rules-banner {
  background: var(--card-bg, #f8f9fa);
  border: 1px solid var(--border-color, #dee2e6);
  border-radius: 4px;
  padding: 8px 12px;
  margin-bottom: 8px;
  font-size: 0.78rem;
  color: var(--text-secondary, #6c757d);
  line-height: 1.5;
}
.room-chat-rules-banner i {
  color: var(--accent, #6c5ce7);
  margin-right: 4px;
}
.room-chat-rules-banner a {
  color: var(--accent, #6c5ce7);
  text-decoration: underline;
}

/* --- 審判ボットメッセージ --- */
.room-chat-msg--bot {
  background: linear-gradient(135deg, #fff3cd 0%, #ffeeba 100%);
  border-left: 3px solid #ffc107;
  padding: 8px 12px;
  margin: 4px 0;
  border-radius: 4px;
}
.room-chat-bot-icon {
  color: #ffc107;
  margin-right: 4px;
  font-size: 0.9rem;
}
.room-chat-msg-user--bot {
  color: #856404;
  font-weight: bold;
}

/* プレイ画面のボットメッセージ（ステータスバー下に一時表示） */
.battle-play-bot-message {
  background: linear-gradient(135deg, #fff3cd 0%, #ffeeba 100%);
  border-left: 3px solid #ffc107;
  padding: 6px 12px;
  font-size: 0.85rem;
  color: #856404;
  transition: opacity 0.5s ease;
}
.battle-play-bot-message i {
  color: #ffc107;
  margin-right: 4px;
}

/* --- Report Buttons --- */
.room-chat-report-btn,
.battle-score-report-btn {
  background: none;
  border: none;
  color: var(--text-muted, #999);
  cursor: pointer;
  padding: 0 0.25rem;
  font-size: 0.7rem;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s;
}
.room-chat-msg:hover .room-chat-report-btn,
.battle-score-row:hover .battle-score-report-btn {
  opacity: 1;
}
.room-chat-report-btn:hover,
.battle-score-report-btn:hover {
  color: var(--danger, #e74c3c);
}
.room-chat-report-btn:disabled,
.battle-score-report-btn:disabled {
  opacity: 0.5;
  cursor: default;
  color: var(--text-muted, #999);
}

/* --- Result Actions --- */
.battle-result-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  justify-content: center;
}
.battle-result-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.625rem 1.5rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  border: none;
}
.battle-result-btn-primary {
  background: var(--accent);
  color: #fff;
}
.battle-result-btn-primary:hover {
  opacity: 0.85;
  transform: translateY(-1px);
  color: #fff;
}
.battle-result-btn-secondary {
  background: var(--card-bg);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}
.battle-result-btn-secondary:hover {
  border-color: rgba(var(--accent-rgb), 0.3);
  color: var(--accent);
}

/* --- Confetti Canvas --- */
.battle-confetti-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 300;
  display: none;
}

/* --- Reconnect Overlay --- */
.battle-reconnect-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 150;
}
.battle-reconnect-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem 3rem;
  text-align: center;
  color: var(--text-primary);
}
.battle-reconnect-card i {
  font-size: 3rem;
  color: #ef4444;
  margin-bottom: 1rem;
  display: block;
}
.battle-reconnect-card p {
  margin: 0.5rem 0;
  font-size: 1rem;
}
.battle-reconnect-timer {
  font-family: monospace;
  font-size: 1.25rem;
  font-weight: 700;
  color: #ef4444;
}

/* --- Forfeited/Disconnected State --- */
.battle-score-row-forfeited {
  opacity: 0.5;
  filter: grayscale(0.5);
}
.battle-forfeit-icon {
  color: #ef4444;
  font-size: 0.75rem;
  margin-left: 0.25rem;
}
.battle-disconnect-icon {
  color: #f59e0b;
  font-size: 0.75rem;
  margin-left: 0.25rem;
}

/* --- Forfeit Button --- */
.battle-stub-forfeit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
  border: 1px solid #ef4444;
  background: transparent;
  color: #ef4444;
  white-space: nowrap;
}
.battle-stub-forfeit-btn:hover {
  background: rgba(239, 68, 68, 0.1);
  transform: translateY(-1px);
}

/* Responsive */
@media (max-width: 640px) {
  .battle-result-card {
    padding: 1.25rem;
  }
  .battle-result-table-header,
  .battle-result-row {
    grid-template-columns: 36px 1fr 60px 44px 44px;
    font-size: 0.78rem;
  }
  .battle-result-table-header span:nth-child(6),
  .battle-result-table-header span:nth-child(7),
  .battle-result-row span:nth-child(6),
  .battle-result-row span:nth-child(7) {
    display: none;
  }
  .battle-result-actions {
    flex-direction: column;
  }
  .battle-reconnect-card {
    padding: 1.5rem 2rem;
  }
}