/* ===== Room Feature Styles ===== */

/* ===== Header Link ===== */
.back-link-header {
  color: var(--primary);
  text-decoration: none;
}
.back-link-header:hover {
  opacity: 0.8;
}

/* ===== Room Container ===== */
.room-container {
  max-width: none;
  margin: 0 auto;
}

/* ===== Lobby ===== */
.lobby-section {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
}

.lobby-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  flex: 1;
  min-width: 280px;
  max-width: 420px;
}

.lobby-card h3 {
  font-size: 1.1rem;
  color: var(--text-heading);
  margin-bottom: 20px;
  font-weight: 600;
}

.room-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 12px;
  transition: border-color var(--transition);
}
.room-input:focus {
  outline: none;
  border-color: var(--primary);
}
.room-input::placeholder {
  color: var(--text-muted);
}

.room-id-input {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
  font-size: 1.2rem;
  text-align: center;
}

.btn-room {
  width: 100%;
  padding: 12px 24px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform 0.15s;
}
.btn-room:hover {
  background: var(--primary-dark);
}
.btn-room:active {
  transform: scale(0.97);
}
.btn-room:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-room-secondary {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}
.btn-room-secondary:hover {
  background: var(--primary);
  color: #fff;
}

.lobby-divider {
  display: flex;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 8px 0;
}

/* ===== Waiting Room ===== */
.waiting-section {
  text-align: center;
}

.room-id-display {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
}

.room-id-text {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.2em;
  font-family: 'Courier New', monospace;
}

.btn-copy {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all var(--transition);
}
.btn-copy:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.btn-copy.copied {
  border-color: var(--badge-easy);
  color: var(--badge-easy);
}

.qr-container {
  margin: 24px auto;
  padding: 16px;
  background: #fff;
  border-radius: 12px;
  display: inline-block;
}

.qr-container canvas,
.qr-container img {
  display: block;
}

.member-list {
  margin: 24px auto;
  max-width: 400px;
}

.member-list h3 {
  font-size: 1rem;
  color: var(--text-heading);
  margin-bottom: 12px;
}

.member-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
  transition: border-color var(--transition);
}

.member-item.is-me {
  border-color: var(--primary);
}

.member-name {
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 500;
}

.member-badge {
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 600;
}

.member-badge-waiting {
  background: rgba(234, 179, 8, 0.15);
  color: var(--badge-mid);
}

.member-badge-done {
  background: rgba(34, 197, 94, 0.15);
  color: var(--badge-easy);
}

.waiting-msg {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-top: 16px;
}

.waiting-dots::after {
  content: '';
  animation: dots 1.5s steps(4, end) infinite;
}
@keyframes dots {
  0% { content: ''; }
  25% { content: '.'; }
  50% { content: '..'; }
  75% { content: '...'; }
}

/* ===== Role Selection ===== */
.roles-section {
  text-align: center;
}

.roles-section h2 {
  font-size: 1.2rem;
  color: var(--text-heading);
  margin-bottom: 24px;
}

.role-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-bottom: 24px;
}

.role-card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  min-width: 220px;
  max-width: 280px;
  flex: 1;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}
.role-card:hover:not(.role-taken):not(.role-selected) {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px var(--shadow);
}
.role-card.role-selected {
  border-color: var(--primary);
  background: var(--bg-card-hover);
  box-shadow: 0 0 0 2px var(--primary);
}
.role-card.role-taken {
  opacity: 0.5;
  cursor: not-allowed;
}

.role-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.role-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 8px;
}

.role-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.role-taken-by {
  font-size: 0.78rem;
  color: var(--badge-mid);
  margin-top: 8px;
}

/* ===== Persona Selection ===== */
.persona-select-section {
  text-align: center;
}

.persona-select-section h2 {
  font-size: 1.2rem;
  color: var(--text-heading);
  margin-bottom: 8px;
}

.persona-select-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.persona-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-bottom: 20px;
}

.persona-filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.persona-filter-group label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.persona-filter-group select {
  padding: 8px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.9rem;
}

.persona-preview-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.persona-preview-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  cursor: pointer;
  transition: all var(--transition);
  text-align: left;
}
.persona-preview-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}
.persona-preview-card.selected {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary);
}

.persona-preview-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 4px;
}

.persona-preview-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.persona-preview-concern {
  font-size: 0.85rem;
  color: var(--text);
  line-height: 1.4;
}

.persona-wait-msg {
  padding: 48px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ===== Session (In Progress) ===== */
.session-section {
  text-align: left;
}

.session-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.session-role-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
}
.session-role-client {
  background: rgba(239, 68, 68, 0.15);
  color: var(--badge-hard);
}
.session-role-consultant {
  background: rgba(34, 197, 94, 0.15);
  color: var(--badge-easy);
}
.session-role-observer {
  background: rgba(234, 179, 8, 0.15);
  color: var(--badge-mid);
}

.session-timer {
  font-size: 1.8rem;
  font-weight: 700;
  font-family: 'Courier New', monospace;
  color: var(--text-heading);
}
.session-timer.timer-warning {
  color: var(--badge-mid);
}
.session-timer.timer-danger {
  color: var(--badge-hard);
  animation: pulse 1s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.session-persona-info {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
}

.session-persona-info h3 {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 16px;
  font-weight: 600;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.persona-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.persona-info-item {
  padding: 10px 14px;
  background: var(--bg);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.persona-info-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 3px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.persona-info-value {
  font-size: 0.9rem;
  color: var(--text);
}

.persona-full-section {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.persona-full-section h4 {
  font-size: 0.9rem;
  color: var(--primary);
  margin-bottom: 8px;
  font-weight: 600;
}

.persona-full-section p {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 12px;
}

.persona-full-section ul {
  list-style: none;
  padding: 0;
}

.persona-full-section ul li {
  font-size: 0.88rem;
  color: var(--text);
  padding: 6px 0 6px 18px;
  position: relative;
}
.persona-full-section ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 13px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

.session-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 24px;
}

.btn-leave {
  display: block;
  margin: 24px auto 0;
  padding: 8px 24px;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-leave:hover {
  border-color: var(--badge-hard);
  color: var(--badge-hard);
}

.btn-end-session {
  padding: 12px 32px;
  background: var(--badge-hard);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-end-session:hover {
  opacity: 0.85;
}

/* ===== Memo Section ===== */
.memo-section {
  text-align: center;
}

.memo-section h2 {
  font-size: 1.2rem;
  color: var(--text-heading);
  margin-bottom: 8px;
}

.memo-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.memo-textarea {
  width: 100%;
  min-height: 200px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.7;
  resize: vertical;
  font-family: inherit;
  transition: border-color var(--transition);
  margin-bottom: 20px;
}
.memo-textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.memo-char-count {
  text-align: right;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: -16px;
  margin-bottom: 16px;
}

/* ===== Done / Completed ===== */
.done-section {
  text-align: center;
  padding: 40px 0;
}

.done-section h2 {
  font-size: 1.2rem;
  color: var(--text-heading);
  margin-bottom: 16px;
}

.done-check {
  font-size: 3rem;
  margin-bottom: 16px;
  color: var(--badge-easy);
}

.done-msg {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* ===== Status Indicator ===== */
.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--badge-easy);
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ===== Back Link ===== */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 24px;
  transition: opacity var(--transition);
}
.back-link:hover {
  opacity: 0.7;
}

/* ===== Room Nav Button (for index.html) ===== */
.btn-room-nav {
  display: inline-block;
  padding: 10px 24px;
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition);
  margin-left: 12px;
}
.btn-room-nav:hover {
  background: var(--primary);
  color: #fff;
}

/* ===== Error/Info Messages ===== */
.room-error {
  padding: 12px 16px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 8px;
  color: var(--badge-hard);
  font-size: 0.9rem;
  margin-bottom: 16px;
  display: none;
}
.room-error.visible {
  display: block;
}

.room-info {
  padding: 12px 16px;
  background: rgba(0, 204, 187, 0.1);
  border: 1px solid rgba(0, 204, 187, 0.3);
  border-radius: 8px;
  color: var(--primary);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

/* ===== Responsive (tablet) ===== */
@media (max-width: 768px) {
  .lobby-card {
    min-width: 100%;
    padding: 24px;
  }
  .room-id-text {
    font-size: 2rem;
  }
  .persona-preview-cards {
    grid-template-columns: 1fr;
  }
  .role-card {
    min-width: 100%;
    max-width: none;
  }
  .persona-info-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Responsive (mobile) ===== */
@media (max-width: 640px) {
  .lobby-card {
    padding: 16px;
  }
  .lobby-card h3 {
    font-size: 1rem;
  }
  .room-id-text {
    font-size: 1.6rem;
  }
  .btn-room {
    padding: 10px 20px;
    font-size: 0.95rem;
  }
  .session-timer {
    font-size: 1.4rem;
  }
  .session-persona-info {
    padding: 16px;
  }
  .memo-textarea {
    min-height: 160px;
    padding: 12px;
  }
  .qr-container {
    padding: 12px;
  }
}