/* Synapse Engine Theme - Clean, Immersive & Perfect Mobile Responsive */
:root {
  --bg-main: #0c101c;
  --bg-card: rgba(20, 27, 45, 0.98);
  --bg-card-sub: rgba(14, 19, 32, 0.95);
  --accent-cyan: #00f0ff;
  --accent-magenta: #ff6b9d;
  --accent-blue: #3b82f6;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --border-color: rgba(0, 240, 255, 0.18);
  --border-focus: rgba(0, 240, 255, 0.6);
  --font-base: 'Pretendard', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  height: 100dvh;
  overflow: hidden;
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-base);
}

.app-layout {
  display: flex;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  position: relative;
}

/* 딤 오버레이 */
.drawer-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 80;
}

.drawer-overlay.active {
  display: block;
}

/* [좌측 설정창 패널 - 화면을 가리지 않도록 슬라이드 오버레이] */
.left-panel {
  position: absolute;
  top: 0;
  left: 0;
  width: 360px;
  max-width: 85vw;
  height: 100%;
  height: 100dvh;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--border-color);
  box-shadow: 6px 0 30px rgba(0, 0, 0, 0.8);
  z-index: 90;
  transform: translateX(-100%); /* 기본 상태: 닫혀있음 */
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.left-panel.open {
  transform: translateX(0); /* 열림 상태 */
}

.panel-inner-scroll {
  width: 100%;
  height: 100%;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-bottom: 40px;
}

/* 스케치 중앙 돌출 반원 탭 버튼 (핸들) */
.drawer-handle-tab {
  position: absolute;
  top: 50%;
  right: -36px;
  transform: translateY(-50%);
  width: 36px;
  height: 68px;
  background: rgba(20, 27, 45, 0.98);
  border: 1px solid var(--border-color);
  border-left: none;
  border-radius: 0 18px 18px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--accent-cyan);
  box-shadow: 4px 0 15px rgba(0, 0, 0, 0.6);
  z-index: 100;
  transition: all 0.2s;
}

.drawer-handle-tab:hover {
  background: rgba(0, 240, 255, 0.25);
  color: #fff;
  box-shadow: 0 0 15px var(--accent-cyan);
}

.handle-icon {
  font-size: 0.85rem;
  transition: transform 0.3s ease;
  transform: rotate(180deg); /* 닫혀있을 때 오른쪽 화살표 ▶ */
}

.left-panel.open .handle-icon {
  transform: rotate(0deg); /* 열려있을 때 왼쪽 화살표 ◀ */
}

/* Sections */
.panel-section {
  background: var(--bg-card-sub);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 8px;
}

.section-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

/* Accordion */
.accordion-toggle {
  cursor: pointer;
  user-select: none;
  transition: all 0.2s;
}

.accordion-toggle:hover .section-title {
  color: #fff;
  text-shadow: 0 0 8px var(--accent-cyan);
}

.toggle-icon {
  font-size: 0.75rem;
  color: var(--accent-cyan);
  transition: transform 0.25s ease;
}

.accordion-section.collapsed .toggle-icon {
  transform: rotate(-90deg);
}

.accordion-content {
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: all 0.25s ease;
}

.accordion-section.collapsed .accordion-content {
  display: none;
}

.accordion-section.collapsed .section-header {
  border-bottom: none;
  padding-bottom: 0;
}

/* Chips */
.btn-chip-group {
  display: flex;
  gap: 6px;
  width: 100%;
}

.chip-btn {
  flex: 1;
  background: rgba(8, 12, 22, 0.85);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-muted);
  padding: 8px 0;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.chip-btn:hover {
  border-color: var(--accent-cyan);
  color: #fff;
}

.chip-btn.active {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

/* Form Styles */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
}

.label-with-val {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.val-badge {
  font-size: 0.75rem;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-weight: 700;
}

.form-select, .form-input, .form-textarea {
  width: 100%;
  background: rgba(8, 12, 22, 0.85);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--text-main);
  font-size: 0.85rem;
  font-family: inherit;
  transition: all 0.2s;
}

.form-textarea {
  resize: vertical;
  line-height: 1.4;
}

.form-range {
  width: 100%;
  accent-color: var(--accent-cyan);
  cursor: pointer;
}

.form-select:focus, .form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 8px rgba(0, 240, 255, 0.3);
}

/* Buttons */
.btn-mini {
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid var(--border-color);
  color: var(--accent-cyan);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-mini:hover {
  background: var(--accent-cyan);
  color: #0c101c;
  box-shadow: 0 0 10px var(--accent-cyan);
}

.btn-block {
  width: 100%;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2) 0%, rgba(59, 130, 246, 0.3) 100%);
  border: 1px solid var(--accent-cyan);
  color: var(--text-main);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #00f0ff 0%, #3b82f6 100%);
  color: #0c101c;
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.5);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.4);
  color: #f87171;
}

.btn-danger:hover {
  background: #ef4444;
  color: #fff;
  box-shadow: 0 0 10px #ef4444;
}

/* Char Card */
.char-profile-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(0, 0, 0, 0.25);
  padding: 10px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.avatar-frame {
  width: 54px;
  height: 54px;
  min-width: 54px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
  background: #1e293b;
}

.char-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.char-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow: hidden;
}

.char-name {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.char-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.char-tag {
  background: rgba(0, 240, 255, 0.12);
  color: var(--accent-cyan);
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
}

/* ==========================================================================
   [우측 메인 스테이지 - 화면 전체 100% 꽉 찬 대화 및 입력창]
   ========================================================================== */
.right-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  height: 100dvh;
  width: 100%;
  position: relative;
  background: rgba(10, 14, 24, 0.7);
  overflow: hidden;
}

/* 상단 헤더: [얼굴] + [속마음] (스케치 그대로 구현) */
.chat-header {
  flex-shrink: 0;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
  background: rgba(14, 20, 35, 0.96);
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 52px;
  z-index: 10;
}

/* 상단 헤더 언어 빠른 전환 국기/텍스트 캡슐군 (고대비 선명 디자인) */
.header-lang-flags {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(8, 14, 26, 0.85);
  border: 1px solid rgba(0, 240, 255, 0.25);
  padding: 3px 6px;
  border-radius: 8px;
  flex-shrink: 0;
}

.btn-flag-mini {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #e2e8f0;
  border-radius: 5px;
  padding: 2px 6px;
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-mono);
  line-height: 1.2;
  cursor: pointer;
  transition: all 0.15s ease;
  opacity: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  white-space: nowrap;
}

.btn-flag-mini:hover {
  background: rgba(0, 240, 255, 0.2);
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  transform: translateY(-1px);
}

.btn-flag-mini.active {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.25) 0%, rgba(59, 130, 246, 0.35) 100%);
  color: var(--accent-cyan);
  border: 1.5px solid var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
  font-weight: 800;
}

.header-face-card {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: fit-content;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.25);
  padding: 3px 8px 3px 4px;
  border-radius: 20px;
}

.face-avatar-box {
  width: 32px;
  height: 32px;
  min-width: 32px;
  border-radius: 50%;
  overflow: hidden;
  border: 1.5px solid var(--accent-cyan);
  background: #1e293b;
}

.header-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.header-face-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
}

.header-thought-container {
  flex: 1;
  display: flex;
  overflow: hidden;
}

.thought-box {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 107, 157, 0.08);
  border: 1px dashed rgba(255, 107, 157, 0.4);
  padding: 4px 8px;
  border-radius: 8px;
  overflow: hidden;
}

.thought-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-magenta);
  white-space: nowrap;
}

.thought-text {
  font-size: 0.8rem;
  font-style: italic;
  color: #fbcfe8;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 대화 뷰포트 (남은 화면 100% 채움) */
.chat-viewport {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

.chat-bubble {
  max-width: 88%;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 14px;
  border-radius: 14px;
  line-height: 1.6;
  font-size: 0.92rem;
  animation: fadeIn 0.25s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.assistant-msg {
  align-self: flex-start;
  background: rgba(22, 32, 54, 0.9);
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-bottom-left-radius: 2px;
}

.user-msg {
  align-self: flex-end;
  background: rgba(30, 58, 138, 0.85);
  border: 1px solid rgba(59, 130, 246, 0.4);
  border-bottom-right-radius: 2px;
}

.msg-sender {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.user-msg .msg-sender {
  color: #93c5fd;
  text-align: right;
}

.msg-content {
  white-space: pre-wrap;
  word-break: break-word;
}

.rp-dialogue {
  color: #fef08a;
  font-weight: 600;
}

.rp-action {
  color: #94a3b8;
  font-style: italic;
}

.loading-bubble {
  color: var(--accent-cyan);
  font-style: italic;
}

.spinner {
  display: inline-block;
  animation: spin 1s infinite linear;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* 하단 입력 영역 - 화면 하단에 항상 고정 (Safe Area 완벽 지원) */
.chat-footer {
  flex-shrink: 0;
  padding: 8px 12px;
  padding-bottom: calc(8px + env(safe-area-inset-bottom, 0px));
  background: rgba(14, 20, 35, 0.98);
  border-top: 1px solid var(--border-color);
  z-index: 10;
}

/* 대화 검색 바 */
.chat-search-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(16, 24, 42, 0.98);
  border-bottom: 1px solid var(--accent-cyan);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
  animation: fadeIn 0.2s ease-out;
  z-index: 15;
}

.search-icon {
  font-size: 0.9rem;
}

.search-input {
  flex: 1;
  background: rgba(8, 12, 22, 0.9);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 4px 8px;
  color: #fff;
  font-size: 0.85rem;
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

.search-count {
  font-size: 0.75rem;
  color: var(--accent-cyan);
  white-space: nowrap;
  font-family: var(--font-mono);
}

.btn-search-nav, .btn-search-close {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  border-radius: 4px;
  padding: 3px 6px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-search-nav:hover {
  background: var(--accent-cyan);
  color: #0c101c;
}

.btn-search-close:hover {
  background: #ef4444;
  color: #fff;
}

/* 검색 하이라이트 */
.search-highlight {
  background-color: #facc15;
  color: #000;
  font-weight: 700;
  padding: 0 2px;
  border-radius: 2px;
}

.search-highlight.current {
  background-color: #ff0077;
  color: #fff;
  box-shadow: 0 0 8px #ff0077;
}

/* 모바일 퀵 심볼 바 */
.chat-quick-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
  overflow-x: auto;
  white-space: nowrap;
  padding-bottom: 2px;
  -webkit-overflow-scrolling: touch;
}

.btn-quick-symbol {
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.25);
  color: var(--accent-cyan);
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  flex-shrink: 0;
  user-select: none;
}

.btn-quick-symbol:hover, .btn-quick-symbol:active {
  background: var(--accent-cyan);
  color: #0c101c;
  box-shadow: 0 0 8px var(--accent-cyan);
}

.input-container {
  display: flex;
  gap: 8px;
  align-items: center;
}

.rp-input {
  flex: 1;
  background: rgba(8, 12, 22, 0.95);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 8px 12px;
  color: var(--text-main);
  font-size: 0.9rem;
  font-family: inherit;
  resize: none;
  height: 44px;
  max-height: 90px;
  line-height: 1.3;
  transition: all 0.2s;
}

.rp-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
}

.btn-send {
  background: linear-gradient(135deg, #00f0ff 0%, #0077ff 100%);
  border: none;
  border-radius: 10px;
  color: #040814;
  font-weight: 800;
  font-size: 0.9rem;
  padding: 0 16px;
  height: 44px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-send:hover {
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.6);
}

.btn-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Toast */
.rp-toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(0, 240, 255, 0.9);
  color: #080e1a;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: all 0.3s;
  z-index: 1000;
}

.rp-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Bubble Header & Action Buttons (Edit / Delete) */
.bubble-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2px;
}

.msg-actions {
  display: flex;
  gap: 4px;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.chat-bubble:hover .msg-actions {
  opacity: 1;
}

.btn-msg-action {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-muted);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.7rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-msg-action:hover {
  background: rgba(0, 240, 255, 0.2);
  color: #fff;
  border-color: var(--accent-cyan);
}

.btn-msg-delete:hover {
  background: rgba(239, 68, 68, 0.3);
  color: #f87171;
  border-color: #ef4444;
}

/* Edit Mode Box inside Bubble */
.bubble-edit-area {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}

.bubble-edit-textarea {
  width: 100%;
  background: rgba(8, 12, 22, 0.95);
  border: 1px solid var(--accent-cyan);
  border-radius: 6px;
  padding: 6px 8px;
  color: #fff;
  font-family: inherit;
  font-size: 0.88rem;
  line-height: 1.4;
  resize: vertical;
}

.bubble-edit-btns {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
}

/* Memory & Backup Grid */
.memory-status-box {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(0, 240, 255, 0.15);
  padding: 6px 10px;
  border-radius: 6px;
  margin-bottom: 4px;
}

.memory-info-text {
  font-size: 0.78rem;
  color: #67e8f9;
  font-family: var(--font-mono);
}

.btn-grid-dual {
  display: flex;
  gap: 6px;
  width: 100%;
}

.btn-grid-dual .btn-mini {
  flex: 1;
  text-align: center;
  padding: 8px 4px;
  font-size: 0.78rem;
}

.btn-msg-resend:hover {
  background: rgba(59, 130, 246, 0.3);
  color: #93c5fd;
  border-color: #3b82f6;
}

/* Long-Term Memory Notes UI */
.memory-input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sub-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
}

.memory-notes-container {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}

.memory-notes-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 180px;
  overflow-y: auto;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px;
}

.memory-note-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(0, 240, 255, 0.15);
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 0.8rem;
  line-height: 1.4;
  color: #e2e8f0;
}

.memory-note-text {
  flex: 1;
  word-break: break-word;
}

.btn-del-mem {
  background: none;
  border: none;
  color: #f87171;
  font-size: 0.85rem;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  opacity: 0.7;
}

.btn-del-mem:hover {
  opacity: 1;
  transform: scale(1.1);
}

.empty-note-hint {
  font-size: 0.75rem;
  color: #64748b;
  text-align: center;
  padding: 10px 0;
  font-style: italic;
}

/* NAI Generated Illustration inside Chat Bubble */
.nai-bubble-img-wrapper {
  margin-top: 8px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(0, 240, 255, 0.3);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
  max-width: 320px;
}

.nai-bubble-img {
  width: 100%;
  height: auto;
  display: block;
}

/* Memory Guide Box & API Key Guide Box */
.memory-guide-box, .api-guide-box {
  background: rgba(0, 240, 255, 0.05);
  border: 1px dashed rgba(0, 240, 255, 0.25);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 0.78rem;
  line-height: 1.4;
  color: var(--text-muted);
}

.api-guide-box {
  border-color: rgba(255, 215, 0, 0.35);
  background: rgba(255, 215, 0, 0.05);
}

.api-guide-box .guide-title {
  color: #ffd700;
}

.guide-title {
  font-weight: 700;
  color: var(--accent-cyan);
  display: block;
  margin-bottom: 2px;
}

.guide-desc strong {
  color: #fff;
}

.btn-text-danger {
  background: none;
  border: none;
  color: #f87171;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0 4px;
  transition: all 0.2s;
}

.btn-text-danger:hover {
  color: #ef4444;
  text-decoration: underline;
}

/* Font Size & Line Height Dynamic Classes on Chat Log */
.chat-viewport.font-small .chat-bubble { font-size: 0.82rem; }
.chat-viewport.font-medium .chat-bubble { font-size: 0.92rem; }
.chat-viewport.font-large .chat-bubble { font-size: 1.05rem; }
.chat-viewport.font-xlarge .chat-bubble { font-size: 1.2rem; }

.chat-viewport.lh-compact .chat-bubble { line-height: 1.35; }
.chat-viewport.lh-normal .chat-bubble { line-height: 1.6; }
.chat-viewport.lh-relaxed .chat-bubble { line-height: 1.85; }

/* National Flag Language Buttons */
.lang-flag-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.lang-flag-group .chip-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 6px;
  font-size: 0.85rem;
}

.flag-icon {
  font-size: 1.05rem;
  line-height: 1;
}

/* ============================================================================
 * [Help Guide & Precautions Styling]
 * ============================================================================ */
.guide-block {
  margin-bottom: 14px;
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--text-muted);
}

.guide-subtitle {
  font-size: 0.83rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.guide-list-num,
.guide-list-bullet {
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.guide-block strong {
  color: #fff;
}

.guide-block.alert-block {
  background: rgba(255, 107, 157, 0.08);
  border: 1px solid rgba(255, 107, 157, 0.28);
  border-radius: 8px;
  padding: 10px 12px;
  margin-top: 10px;
}

.guide-block.alert-block .guide-subtitle {
  color: var(--accent-magenta);
}