:root {
  color-scheme: light;

  /* 4 mau goc cua bang mau */
  --cream: #fff1ca;
  --amber: #ffb823;
  --sage: #708a58;
  --forest: #2d4f2b;

  /* Sac do phai sinh: 4 mau khong du cho mot giao dien, can them
     nen nhat hon cream de o nhap trong long ra, va mot muc kem dam
     hon cho trang thai di chuot / dang chon. */
  --bg: #fffbf0;
  --surface: var(--cream);
  --surface-2: #fbe3a8;
  --line: #e6d6a8;

  --text: var(--forest);
  /* Sage nguyen ban tren nen kem chi dat tuong phan ~3.2, ban #5f7a4b duoc 3.81 -
     van duoi nguong 4.5 cho chu 13px. Dam them mot nac de dat 4.8. */
  --muted: #4f6a3b;

  --accent: var(--amber);
  /* Chu tren nen vang phai la xanh dam; chu trang tren vang gan nhu khong doc duoc. */
  --on-accent: var(--forest);
  --other: #ffffff;

  --ok: var(--sage);
  --warn: #c9821a;
  /* Bang mau khong co mau bao loi. Lay do gach de hoa voi tong am ma van noi. */
  --danger: #b3402b;

  --shadow: rgba(45, 79, 43, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  letter-spacing: 0;
}

button,
input {
  font: inherit;
}

.hidden {
  display: none !important;
}

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(380px, 100%);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  text-align: center;
}

.login-card h1 {
  margin: 0 0 22px;
  font-size: 32px;
}

.primary-button,
.secondary-button {
  border: 0;
  border-radius: 8px;
  padding: 12px 18px;
  color: var(--text);
  cursor: pointer;
}

.primary-button {
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 700;
}

.primary-button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.secondary-button {
  background: var(--surface-2);
  border: 1px solid var(--line);
}

.qr-panel {
  display: grid;
  justify-items: center;
  gap: 12px;
}

#qr-image {
  width: 240px;
  height: 240px;
  object-fit: contain;
  background: white;
  border-radius: 8px;
}

#qr-status {
  min-height: 22px;
  margin: 0;
  color: var(--muted);
}

.chat-app {
  /* 100% cua module-panel, khong phai 100vh: khung ngoai da chan chieu cao roi */
  height: 100%;
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  /* Chan chieu cao hang grid, neu khong hang ngam dinh la auto: cot chat se cao
     theo noi dung tin nhan, #messages khong bao gio can cuon va o nhap tin bi day
     xuong duoi 100vh roi bi overflow:hidden cat mat. */
  grid-template-rows: minmax(0, 1fr);
  overflow: hidden;
}

.thread-list {
  min-width: 0;
  border-right: 1px solid var(--line);
  background: var(--surface);
  display: flex;
  flex-direction: column;
}

.profile {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.profile-name {
  font-weight: 700;
}

.profile-status,
.empty-hint {
  color: var(--muted);
  font-size: 13px;
}

/* Den bao duong day Zalo. Thay cho dong chu cung "Dang ket noi realtime" cu -
   dong do hien y het nhau ke ca khi da mat ket noi ca tieng dong ho. */
.zalo-status {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

.zalo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: none;
  background: var(--muted);
}

.zalo-dot-ok { background: var(--ok); }
.zalo-dot-cho { background: var(--warn); }
.zalo-dot-loi {
  background: var(--danger);
  animation: zalo-nhap-nhay 1.2s ease-in-out infinite;
}

@keyframes zalo-nhap-nhay {
  50% { opacity: 0.25; }
}

/* --- Phan he Email --- */

.email-panel {
  height: 100%;
  overflow-y: auto;
  padding: 20px 24px 40px;
}

.email-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.email-header h2 {
  margin: 0 0 2px;
}

.email-header > div {
  flex: 1;
  min-width: 0;
}

.email-khoi {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
  margin-bottom: 16px;
}

.email-khoi h3 {
  margin: 0 0 12px;
  font-size: 15px;
}

.email-hang {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.email-hang label {
  width: 130px;
  flex: none;
  font-size: 13px;
  color: var(--muted);
}

.email-hang input,
.email-hang select {
  flex: 1;
  min-width: 0;
}

.email-nut {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 12px 0 4px;
}

.email-gat {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  margin-top: 10px;
}

.email-vach {
  border: none;
  border-top: 1px solid var(--line);
  margin: 16px 0;
}

.email-khoi code {
  background: var(--surface-2);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 12px;
}

.thread-search {
  width: calc(100% - 24px);
  margin: 12px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
}

.threads {
  list-style: none;
  margin: 0;
  padding: 0 8px 8px;
  overflow-y: auto;
}

.thread-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-height: 64px;
  padding: 10px;
  border-radius: 8px;
  cursor: pointer;
}

.thread-item:hover,
.thread-item.active {
  background: var(--surface-2);
}

.thread-title,
.thread-preview,
.chat-header h2 {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.thread-title {
  font-weight: 700;
}

.thread-preview {
  color: var(--muted);
  font-size: 13px;
}

.empty-hint {
  margin: 18px;
}

.chat-main {
  min-width: 0;
  position: relative;
  background: var(--bg);
}

.chat-empty {
  height: 100%;
  display: grid;
  place-items: center;
  color: var(--muted);
  padding: 24px;
  text-align: center;
}

.chat-panel {
  height: 100%;
  display: grid;
  grid-template-rows: 64px minmax(0, 1fr) auto;
}

.chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.chat-header h2 {
  margin: 0;
  font-size: 18px;
}

.messages {
  overflow-y: auto;
  padding: 18px;
}

.bubble-row {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  margin: 8px 0;
}

.bubble-row.self {
  justify-content: flex-end;
}

.bubble-wrap {
  max-width: min(680px, 72%);
}

.bubble {
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--other);
  line-height: 1.4;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.self .bubble {
  background: var(--accent);
}

.bubble.bubble-sticker,
.self .bubble.bubble-sticker {
  padding: 4px;
  background: transparent;
}

.sticker {
  display: block;
  width: 130px;
  max-width: 100%;
}

.sender {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.bubble-time {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}

.self .bubble-time {
  text-align: right;
  /* Chu phu mau sage tren nen vang chi dat tuong phan ~2.6, khong doc noi o co 11px */
  color: var(--on-accent);
  opacity: 0.75;
}

.date-divider {
  margin: 18px auto 12px;
  width: fit-content;
  max-width: 100%;
  padding: 5px 10px;
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 12px;
}

.send-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  padding: 12px;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

#message-input {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
}

.send-button {
  min-width: 72px;
}

.avatar {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--forest);
  color: var(--cream);
  font-weight: 700;
  overflow: hidden;
}

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

.avatar-small {
  width: 36px;
  height: 36px;
}

.avatar-medium {
  width: 44px;
  height: 44px;
}

.bubble-avatar {
  width: 32px;
  height: 32px;
}

@media (max-width: 760px) {
  .chat-app {
    grid-template-columns: 118px minmax(0, 1fr);
  }

  .profile > div,
  .thread-preview,
  .thread-title {
    display: none;
  }

  .thread-search {
    padding: 9px;
  }

  .thread-item {
    grid-template-columns: 44px;
    justify-content: center;
  }

  .bubble-wrap {
    max-width: 82%;
  }
}

/* --- KHUNG APP 2 COT --- */

.app-shell {
  --sidebar-width: 240px;
  height: 100vh;
  display: grid;
  /* Hang phai bi chan chieu cao, neu khong cot noi dung se cao theo noi dung
     va day o nhap tin nhan xuong duoi man hinh. */
  grid-template-columns: var(--sidebar-width) 5px minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);
  overflow: hidden;
}

.app-shell.is-resizing {
  cursor: col-resize;
  user-select: none;
}

.app-sidebar {
  min-width: 0;
  display: grid;
  /* thanh tai khoan · cong tac bot · danh sach phan he */
  grid-template-rows: auto auto minmax(0, 1fr);
  border-right: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
}

.account-bar {
  position: relative;
  padding: 12px;
  border-bottom: 1px solid var(--line);
}

.account-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  text-align: left;
  cursor: pointer;
}

.account-toggle:hover,
.account-toggle[aria-expanded="true"] {
  border-color: var(--line);
  background: var(--bg);
}

.account-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 700;
}

.account-caret {
  color: var(--muted);
  font-size: 11px;
}

.account-menu {
  position: absolute;
  z-index: 900;
  top: calc(100% - 4px);
  right: 12px;
  left: 12px;
  display: flex;
  flex-direction: column;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  box-shadow: 0 10px 24px var(--shadow);
}

.account-menu-item {
  padding: 9px 10px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  text-align: left;
  cursor: pointer;
}

.account-menu-item:hover {
  background: var(--surface);
}

.account-menu-danger {
  margin-top: 4px;
  border-top: 1px solid var(--line);
  border-radius: 0 0 6px 6px;
  color: var(--danger);
}

/* Cong tac tong cua bot. De ngay duoi ten tai khoan, luon nhin thay - thu nay
   phai voi toi duoc trong mot giay, khong duoc chon trong menu Cau hinh. */
.bot-switch {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}

.bot-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.bot-toggle:hover {
  border-color: var(--sage);
}

.bot-toggle[aria-checked="true"] {
  border-color: var(--sage);
  background: var(--surface-2);
}

/* Nut gat */
.bot-track {
  flex: none;
  position: relative;
  width: 42px;
  height: 24px;
  border-radius: 999px;
  background: var(--line);
  transition: background 0.15s ease;
}

.bot-knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--other);
  box-shadow: 0 1px 3px var(--shadow);
  transition: transform 0.15s ease;
}

.bot-toggle[aria-checked="true"] .bot-track {
  background: var(--ok);
}

.bot-toggle[aria-checked="true"] .bot-knob {
  transform: translateX(18px);
}

.bot-toggle:disabled {
  cursor: wait;
  opacity: 0.6;
}

.bot-label {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.bot-label strong {
  font-size: 13px;
}

.bot-label small {
  color: var(--muted);
  font-size: 11px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.module-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 8px;
  overflow-y: auto;
}

.module-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  text-align: left;
  cursor: pointer;
}

.module-item:hover {
  background: var(--bg);
  color: var(--text);
}

.module-item.active {
  background: var(--bg);
  color: var(--text);
  font-weight: 700;
}

.module-icon {
  flex: none;
  font-size: 16px;
}

.module-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-resizer {
  background: var(--line);
  cursor: col-resize;
}

.app-resizer:hover,
.app-resizer:focus-visible,
.app-shell.is-resizing .app-resizer {
  background: var(--accent);
  outline: none;
}

.app-main {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);
  overflow: hidden;
}

.module-panel {
  /* Ghim moi panel vao cung mot o. Neu de auto-placement, panel thu hai se
     tao them mot hang ngam dinh kieu auto va lam vo chieu cao cua khung. */
  grid-area: 1 / 1;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

/* Man hinh QR cua Zalo nam trong panel nen phai bam theo panel, khong phai 100vh */
.module-panel .login-screen {
  min-height: 0;
  height: 100%;
}

/* --- XUONG HUAN LUYEN --- */

.training-panel {
  height: 100%;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
}

.training-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.training-header h2 {
  margin: 0;
  font-size: 18px;
}

.training-meta {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.training-meta.training-warn {
  color: var(--danger);
}

.training-actions {
  display: flex;
  gap: 8px;
  flex: none;
}

.training-actions .secondary-button {
  padding: 6px 12px;
  font-size: 12px;
}

.training-log {
  overflow-y: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.training-msg {
  max-width: min(720px, 88%);
  padding: 10px 12px;
  border-radius: 8px;
  line-height: 1.5;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.training-user {
  align-self: flex-end;
  background: var(--accent);
  color: var(--on-accent);
}

.training-assistant {
  align-self: flex-start;
  background: var(--other);
  border: 1px solid var(--line);
}

.training-waiting {
  color: var(--muted);
  font-style: italic;
}

.training-msg-files {
  margin-bottom: 6px;
  font-size: 12px;
  opacity: 0.85;
}

.training-copy {
  display: block;
  margin-top: 10px;
  padding: 4px 10px;
  font-size: 12px;
}

.training-form {
  padding: 12px 18px;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.training-files {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.training-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  font-size: 12px;
}

.training-chip button {
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
}

.training-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: end;
}

#training-text {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  resize: vertical;
}

.training-buttons {
  display: flex;
  gap: 8px;
}

.module-placeholder {
  height: 100%;
  display: grid;
  place-content: center;
  gap: 6px;
  padding: 24px;
  text-align: center;
}

.module-placeholder-icon {
  font-size: 42px;
}

.module-placeholder h2 {
  margin: 0;
  font-size: 20px;
}

.module-placeholder p {
  margin: 0;
  color: var(--muted);
}

/* --- DANG NHAP / TAI KHOAN --- */

.profile-info {
  flex: 1;
  min-width: 0;
}

.auth-card {
  width: min(360px, 92vw);
  text-align: left;
}

.auth-card h1 {
  text-align: center;
}

.auth-subtitle {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.auth-input {
  width: 100%;
  box-sizing: border-box;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.auth-error {
  margin: 0 0 12px;
  min-height: 18px;
  color: var(--danger);
  font-size: 13px;
}

.auth-card .primary-button {
  width: 100%;
}

.otp-channels {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}

.otp-channel {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.otp-channel:hover {
  border-color: var(--accent);
}

.otp-channel.active {
  border-color: var(--accent);
  background: var(--surface-2);
}

.otp-channel span {
  color: var(--muted);
  font-size: 12px;
}

.otp-actions {
  display: flex;
  gap: 8px;
}

.otp-actions .primary-button,
.otp-actions .secondary-button {
  flex: 1;
  width: auto;
}

#otp-code {
  letter-spacing: 6px;
  text-align: center;
  font-size: 20px;
}

.section-divider {
  margin: 22px 0;
  border: none;
  border-top: 1px solid var(--line);
}

.key-block {
  padding: 12px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--bg);
}

.smtp-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 12px;
}

/* --- KHO TRI THUC + LOG --- */

.knowledge-subtitle {
  display: block;
  margin: 8px 0 6px;
  color: var(--muted);
  font-size: 13px;
}

.knowledge-picker {
  max-height: 180px;
  overflow-y: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
  background: var(--bg);
}

.knowledge-pick-item {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 4px 0;
}

.kp-meta {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 13px;
}

.kp-content {
  margin: 0;
  max-height: 60vh;
  overflow: auto;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 13px;
  line-height: 1.5;
}

.log-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.log-item {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--muted);
  border-radius: 8px;
  background: var(--bg);
}

.log-item.log-ok {
  border-left-color: var(--ok);
}

.log-item.log-warn {
  border-left-color: var(--warn);
}

.log-item.log-error {
  border-left-color: var(--danger);
}

.log-head {
  display: flex;
  gap: 8px;
  align-items: baseline;
  flex-wrap: wrap;
}

.log-time {
  color: var(--muted);
  font-size: 12px;
}

.log-badge {
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--surface);
  border: 1px solid var(--line);
  font-size: 11px;
  font-weight: 700;
}

.log-summary {
  flex: 1;
  min-width: 0;
  font-size: 13px;
  overflow-wrap: anywhere;
}

.log-detail-btn {
  margin-top: 6px;
  padding: 2px 8px;
  font-size: 12px;
}

.log-detail {
  margin: 6px 0 0;
  max-height: 320px;
  overflow: auto;
  padding: 10px;
  border-radius: 6px;
  background: var(--surface);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 12px;
}

/* --- SETTINGS MODAL --- */
.icon-button {
  background: transparent;
  border: none;
  font-size: 20px;
  cursor: pointer;
  padding: 8px;
  color: var(--muted);
}

.dang-quay {
  animation: quay 0.9s linear infinite;
}

@keyframes quay {
  to { transform: rotate(360deg); }
}

.icon-button:hover {
  color: var(--text);
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(45, 79, 43, 0.45);
  display: grid;
  place-items: center;
  z-index: 1000;
  padding: 16px;
}

.modal-content {
  background: var(--bg);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 10px 30px var(--shadow);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.modal-header h2 {
  margin: 0;
  font-size: 20px;
}

.close-button {
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 28px;
  cursor: pointer;
  line-height: 1;
}

.close-button:hover {
  color: var(--text);
}

.modal-tabs {
  display: flex;
  background: var(--surface);
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
}

.tab-button {
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 12px 16px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  font-weight: bold;
}

.tab-button.active {
  /* Vang lam mau CHU tren nen sang chi dat tuong phan ~1.7, khong doc duoc.
     Vang chi dung lam nen hoac duong gach chan; chu van la xanh dam. */
  color: var(--text);
  border-bottom-color: var(--accent);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* --- AUTO REPLY STYLES --- */
.rule-list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.rule-list-header h3 {
  margin: 0;
}

.rule-list {
  display: grid;
  gap: 12px;
  margin-bottom: 24px;
}

.rule-item {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 12px;
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.rule-info {
  flex: 1;
}

.rule-cmd {
  font-weight: bold;
  color: var(--text);
  font-size: 15px;
  margin-bottom: 4px;
}

.rule-meta {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
}

.rule-reply-preview {
  font-size: 13px;
  white-space: pre-wrap;
  background: var(--surface-2);
  padding: 8px;
  border-radius: 4px;
}

.rule-actions {
  display: flex;
  gap: 8px;
}

.rule-form {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 16px;
  border-radius: 8px;
}

.rule-form h4 {
  margin-top: 0;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
}

.input-prefix {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
}

.input-prefix span {
  color: var(--muted);
  font-weight: bold;
}

.input-prefix input {
  background: transparent;
  border: none;
  color: var(--text);
  padding: 10px 4px;
  flex: 1;
  outline: none;
}

.checkbox-label, .radio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: normal !important;
  cursor: pointer;
}

.radio-group {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-left: 24px;
}

textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 10px;
  font: inherit;
  resize: vertical;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* Responsive cua khung app: PHAI dat cuoi file. Media query cung specificity
   voi rule goc, nen neu dat truoc .app-shell thi rule goc se de len va khong
   bao gio co tac dung. */
@media (max-width: 760px) {
  .app-shell {
    grid-template-columns: 56px 5px minmax(0, 1fr);
  }

  .module-label,
  .account-name,
  .account-caret,
  .bot-label {
    display: none;
  }

  .bot-toggle {
    justify-content: center;
  }

  .module-item,
  .account-toggle {
    justify-content: center;
  }

  .account-menu {
    right: auto;
    left: 8px;
    width: 200px;
  }
}