:root {
  color-scheme: light;
  --bg: #f4f7f9;
  --panel: #ffffff;
  --text: #172126;
  --muted: #64747d;
  --line: #d9e2e7;
  --accent: #087f8c;
  --accent-strong: #05636d;
  --warn: #b45309;
  --danger: #b42318;
  --shadow: 0 18px 42px rgba(32, 54, 66, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background: var(--bg);
  font-family: "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
}

.auth-gate {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(135deg, rgba(8, 127, 140, 0.13), transparent 34rem),
    linear-gradient(315deg, rgba(180, 83, 9, 0.09), transparent 30rem),
    var(--bg);
}

.auth-card {
  width: min(100%, 420px);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.auth-card h1 {
  margin: 0;
  font-size: 30px;
}

.auth-copy {
  margin: 12px 0 20px;
  color: var(--muted);
  line-height: 1.7;
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 18px;
}

.auth-tabs button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
}

.auth-tabs button.active {
  border-color: var(--accent);
  color: #fff;
  background: var(--accent);
}

.auth-form {
  display: grid;
  gap: 14px;
}

.auth-status {
  min-height: 1.4em;
  margin: 14px 0 0;
  color: var(--muted);
}

.auth-status.error {
  color: var(--danger);
}

.auth-user-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 10px;
  margin-left: auto;
}

.auth-user-bar span {
  color: var(--muted);
  font-weight: 700;
}

.pending-users-list {
  display: grid;
  gap: 10px;
}

.pending-user-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}

button,
input,
select,
textarea {
  font: inherit;
}

.app-shell {
  width: min(1480px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 36px;
}

.topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding: 4px 0 22px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.15;
}

h2 {
  font-size: 20px;
  line-height: 1.25;
}

.storage-note {
  display: grid;
  gap: 4px;
  min-width: 240px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.storage-note span,
.panel-head p,
label span {
  color: var(--muted);
  font-size: 13px;
}

.storage-note strong {
  font-size: 14px;
  word-break: break-all;
}

.page-tabs {
  display: flex;
  gap: 8px;
  margin: 0 0 18px;
  border-bottom: 1px solid var(--line);
}

.page-tab {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  border: 1px solid transparent;
  border-bottom: 0;
  border-radius: 8px 8px 0 0;
  padding: 0 18px;
  color: var(--muted);
  font-weight: 700;
  text-decoration: none;
}

.page-tab:hover {
  color: var(--accent);
  background: #eaf3f5;
}

.page-tab.active {
  border-color: var(--line);
  background: var(--panel);
  color: var(--accent);
}

.page-view[hidden] {
  display: none;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.upload-panel {
  display: grid;
  gap: 15px;
  padding: 20px;
}

.category-fields {
  display: grid;
  gap: 15px;
}

.list-panel {
  min-width: 0;
  padding: 20px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 42px;
}

label {
  display: grid;
  gap: 7px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  outline: none;
}

input,
select {
  height: 42px;
  padding: 0 11px;
}

textarea {
  min-height: 86px;
  resize: vertical;
  padding: 10px 11px;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(8, 127, 140, 0.14);
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

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

.version-list {
  display: grid;
  gap: 12px;
}

.version-row {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 12px;
}

.version-info-line {
  display: grid;
  gap: 4px;
}

.version-info-line span,
.svn-link {
  overflow-wrap: anywhere;
}

.svn-link {
  color: var(--accent);
}

.file-drop {
  min-height: 86px;
  justify-items: center;
  align-content: center;
  gap: 6px;
  padding: 14px;
  border: 1px dashed #96aab4;
  border-radius: 8px;
  background: #f8fbfc;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.file-drop.drag-over {
  border-color: var(--accent);
  background: #eefafa;
  box-shadow: 0 0 0 3px rgba(8, 127, 140, 0.14);
}

.file-drop input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.file-drop strong {
  max-width: 100%;
  overflow-wrap: anywhere;
  font-size: 14px;
}

button {
  min-height: 42px;
  border: 0;
  border-radius: 6px;
  padding: 0 16px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  background: var(--accent-strong);
}

button.secondary {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
}

button.secondary:hover {
  background: #eef5f6;
}

button.compact {
  min-height: 34px;
  padding: 0 10px;
}

button.danger {
  min-height: 34px;
  padding: 0 10px;
  background: #fff;
  color: var(--danger);
  border: 1px solid #f0b8b2;
}

button.danger:hover {
  background: #fff4f2;
}

.status {
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}

.status.error {
  color: var(--danger);
}

.filters {
  display: grid;
  grid-template-columns: repeat(4, minmax(140px, 1fr));
  gap: 10px;
  margin: 18px 0;
}

.form-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.form-actions button {
  flex: 1 1 150px;
}

.table-wrap {
  position: relative;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  min-width: 1180px;
  border-collapse: collapse;
}

.firmware-table {
  min-width: 980px;
}

.software-table {
  min-width: 1060px;
}

.firmware-table .col-model,
.software-table .col-model {
  width: 120px;
}

th,
td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-size: 14px;
}

th {
  background: #eef5f6;
  color: #40545f;
  font-size: 13px;
  white-space: nowrap;
}

td {
  overflow-wrap: anywhere;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border-radius: 999px;
  padding: 0 9px;
  background: #e6f4f1;
  color: #075f55;
  font-weight: 700;
  white-space: nowrap;
}

.tag-soft {
  background: #fff4d6;
  color: #7a4b00;
}

.file-meta {
  color: var(--muted);
  font-size: 12px;
}

.actions {
  display: grid;
  gap: 8px;
  min-width: 148px;
}

.action-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.action-row button,
.action-row .download {
  justify-content: center;
  width: 100%;
}

.download {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  border-radius: 6px;
  padding: 0 10px;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.empty {
  display: none;
  padding: 34px;
  color: var(--muted);
  text-align: center;
}

.empty.visible {
  display: block;
}

.detail-dialog {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(11, 24, 32, 0.42);
}

.detail-dialog[hidden] {
  display: none;
}

.dialog-overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(11, 24, 32, 0.42);
}

.dialog-overlay[hidden] {
  display: none;
}

.dialog {
  width: min(520px, 100%);
  max-height: min(560px, calc(100vh - 48px));
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  color: var(--text);
}

.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}

.dialog-header h3 {
  margin: 0;
  font-size: 16px;
  color: var(--text);
}

.dialog-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  padding: 16px 20px;
  border-top: 1px solid var(--line);
}

.dialog-actions button {
  min-width: 80px;
}

#scenarioList {
  padding: 16px 20px;
}

.options-edit-list {
  padding: 16px 20px;
  max-height: 400px;
  overflow-y: auto;
}

.options-edit-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.options-edit-item:last-child {
  margin-bottom: 0;
}

.options-edit-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: bold;
  flex-shrink: 0;
}

.options-edit-input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 14px;
  background: #fff;
  color: var(--text);
}

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

.options-edit-add {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  margin-top: 12px;
  padding: 10px;
  border: 1px dashed var(--line);
  border-radius: 6px;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font-size: 14px;
}

.options-edit-add:hover {
  border-color: var(--accent);
  background: rgba(8, 127, 140, 0.05);
}

.options-edit-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 50%;
  background: #f0f4f6;
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
}

.options-edit-remove:hover {
  background: #e1e9ed;
  color: var(--danger);
}

.settings-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px 0;
}

.settings-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
}

.settings-btn:hover {
  background: var(--accent);
  color: #fff;
}

.settings-restart {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding-top: 20px;
  margin-top: 20px;
  border-top: 1px solid var(--line);
}

.settings-restart p {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}

.options-edit-list {
  padding: 16px 20px;
}

.options-edit-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.options-edit-item:last-child {
  margin-bottom: 0;
}

.options-edit-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: bold;
  flex-shrink: 0;
}

.options-edit-input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 14px;
}

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

.detail-card {
  width: min(920px, 100%);
  max-height: min(760px, calc(100vh - 48px));
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 20px;
}

.detail-content {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.detail-row {
  display: grid;
  gap: 5px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px;
  background: #f8fbfc;
}

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

.detail-row strong {
  overflow-wrap: anywhere;
  font-size: 14px;
}

.detail-row-wide {
  grid-column: 1 / -1;
}

.detail-section {
  display: grid;
  gap: 10px;
}

.detail-section h3 {
  margin: 0;
  color: var(--text);
  font-size: 16px;
}

.detail-version-list {
  display: grid;
  gap: 8px;
}

.detail-version-row {
  display: grid;
  grid-template-columns: 76px minmax(120px, 0.7fr) minmax(220px, 1.6fr);
  gap: 10px;
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px;
  background: #f8fbfc;
}

.detail-version-name {
  align-self: center;
  color: var(--accent);
  font-size: 14px;
}

.detail-version-row div {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.detail-version-row span {
  color: var(--muted);
  font-size: 12px;
}

.detail-version-row strong {
  overflow-wrap: anywhere;
  font-size: 14px;
}

.detail-json {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #f8fbfc;
}

.detail-json summary {
  cursor: pointer;
  font-weight: 700;
}

.detail-json pre {
  max-height: 260px;
  overflow: auto;
  margin: 12px 0 0;
  font-size: 12px;
  white-space: pre-wrap;
}

.system-footer {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 22px;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.system-footer span {
  white-space: nowrap;
}

.calendar-panel,
.calendar-detail-panel,
.upgrade-panel {
  display: grid;
  gap: 18px;
  padding: 20px;
}

.calendar-head {
  align-items: flex-start;
}

.calendar-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
}

.month-picker {
  width: 160px;
}

.calendar-weekdays,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
}

.calendar-weekdays span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-align: center;
}

.calendar-day {
  display: grid;
  align-content: start;
  gap: 6px;
  min-height: 104px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
  background: #fff;
  color: var(--text);
  text-align: left;
}

.calendar-day:disabled {
  cursor: default;
  opacity: 0.72;
}

.calendar-day.has-updates {
  background: #f0fbf8;
  border-color: #9dd6ca;
}

.calendar-day.selected {
  box-shadow: 0 0 0 3px rgba(8, 127, 140, 0.18);
}

.calendar-day.today .calendar-date {
  color: var(--accent);
}

.calendar-day.outside-month {
  background: #f5f7f8;
}

.calendar-date {
  font-weight: 800;
}

.calendar-count {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.calendar-updates {
  display: grid;
  gap: 3px;
  font-size: 12px;
}

.calendar-updates span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.calendar-detail-list {
  display: grid;
  gap: 10px;
}

.calendar-detail-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #f8fbfc;
}

.calendar-detail-item h3,
.calendar-detail-item p {
  margin: 6px 0 0;
}

.calendar-detail-item p {
  color: var(--muted);
  line-height: 1.6;
}

.upgrade-form {
  display: grid;
  gap: 15px;
}

.upgrade-preserve,
.upgrade-status {
  display: grid;
  gap: 7px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #f8fbfc;
  color: var(--muted);
  font-size: 14px;
}

.upgrade-preserve strong,
.upgrade-status strong {
  color: var(--text);
}

.upgrade-status.error strong {
  color: var(--danger);
}

.upgrade-status p {
  margin: 0;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

@media (max-width: 1080px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .filters {
    grid-template-columns: repeat(2, minmax(140px, 1fr));
  }
}

@media (max-width: 620px) {
  .app-shell {
    width: min(100% - 20px, 1480px);
    padding-top: 18px;
  }

  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .page-tabs {
    overflow-x: auto;
  }

  .page-tab {
    flex: 1 0 120px;
    justify-content: center;
  }

  .field-grid,
  .version-grid,
  .version-row,
  .filters,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .detail-version-row {
    grid-template-columns: 1fr;
  }

  .panel-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .calendar-weekdays,
  .calendar-grid {
    gap: 4px;
  }

  .calendar-day {
    min-height: 84px;
    padding: 6px;
  }

  .calendar-detail-item {
    grid-template-columns: 1fr;
  }
}

.scenario-picker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  transition: border-color 0.15s;
}

.scenario-picker:hover {
  border-color: var(--accent);
}

.selected-scenarios {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.scenario-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
}

.scenario-tag button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  color: #fff;
  font-size: 10px;
  cursor: pointer;
  line-height: 1;
}

.scenario-tag button:hover {
  background: rgba(255, 255, 255, 0.5);
}

.scenario-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
  max-height: 240px;
  overflow-y: auto;
}

.scenario-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
  transition: border-color 0.15s, background-color 0.15s;
}

.scenario-option:hover {
  border-color: var(--accent);
  background: rgba(33, 150, 243, 0.05);
}

.scenario-option.selected {
  border-color: var(--accent);
  background: rgba(33, 150, 243, 0.1);
}

.scenario-option input[type="checkbox"] {
  width: 16px;
  height: 16px;
}

.scenario-option label {
  flex: 1;
  margin: 0;
  cursor: pointer;
  font-size: 14px;
}

.ai-panel {
  display: grid;
  gap: 16px;
  padding: 20px;
}

.ai-head-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ai-quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ai-chip {
  min-height: 34px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}

.ai-chip:hover {
  border-color: var(--accent);
  background: #eaf3f5;
  color: var(--accent);
}

.ai-chip:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.ai-chat {
  display: flex;
  flex-direction: column;
  min-height: 360px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfc;
}

.ai-messages {
  display: grid;
  gap: 14px;
  padding: 18px;
  max-height: 56vh;
  overflow-y: auto;
}

.ai-messages:empty {
  display: none;
}

.ai-messages:empty + .ai-empty {
  display: flex;
}

.ai-empty {
  display: none;
  flex: 1;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  padding: 36px 24px;
  text-align: center;
  color: var(--muted);
}

.ai-empty p {
  margin: 0;
  line-height: 1.7;
}

.ai-empty-hint {
  font-size: 12px;
}

.ai-msg {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.ai-msg-user {
  align-items: flex-end;
}

.ai-msg-assistant {
  align-items: flex-start;
}

.ai-bubble {
  max-width: 86%;
  padding: 12px 14px;
  border-radius: 12px;
  line-height: 1.7;
  font-size: 14px;
  overflow-wrap: anywhere;
}

.ai-msg-user .ai-bubble {
  background: var(--accent);
  color: #fff;
  border-bottom-right-radius: 4px;
  white-space: pre-wrap;
}

.ai-msg-assistant .ai-bubble {
  background: #fff;
  border: 1px solid var(--line);
  border-bottom-left-radius: 4px;
  min-width: 40px;
}

.ai-bubble p {
  margin: 0 0 8px;
}

.ai-bubble p:last-child {
  margin-bottom: 0;
}

.ai-bubble ul,
.ai-bubble ol {
  margin: 0 0 8px;
  padding-left: 22px;
}

.ai-bubble li {
  margin: 2px 0;
}

.ai-bubble code {
  background: #eef3f4;
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 13px;
}

.ai-msg-user .ai-bubble code {
  background: rgba(255, 255, 255, 0.25);
}

.ai-bubble em {
  font-style: normal;
  text-decoration: underline;
  text-decoration-style: dotted;
}

.ai-msg-error .ai-bubble {
  background: #fff4f2;
  border-color: #f0b8b2;
  color: var(--danger);
}

.ai-msg-actions {
  display: flex;
  gap: 6px;
}

.ai-copy-btn {
  min-height: 28px;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 600;
}

.ai-file-card {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 8px 0;
  padding: 10px 14px;
  border: 1px solid var(--border, #d0d7de);
  border-left: 3px solid var(--accent, #2f6feb);
  border-radius: 8px;
  background: #f6f9ff;
  color: inherit;
  text-decoration: none;
  max-width: 360px;
  transition: background 0.15s, border-color 0.15s, transform 0.05s;
}

.ai-file-card:hover {
  background: #eaf1ff;
  border-color: var(--accent, #2f6feb);
}

.ai-file-card:active {
  transform: translateY(1px);
}

.ai-file-glyph {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 6px;
  background: var(--accent, #2f6feb);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.ai-file-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.ai-file-name {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ai-file-hint {
  font-size: 11px;
  color: var(--muted, #6e7781);
}

.ai-cursor::after {
  content: "▋";
  margin-left: 2px;
  color: var(--accent);
  animation: ai-blink 1s steps(2, start) infinite;
}

@keyframes ai-blink {
  to {
    visibility: hidden;
  }
}

.ai-input-bar {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.ai-input-bar textarea {
  min-height: 42px;
  max-height: 160px;
  resize: none;
  padding: 10px 12px;
  line-height: 1.5;
}

.ai-input-bar button {
  flex-shrink: 0;
}

@media (max-width: 620px) {
  .ai-bubble {
    max-width: 92%;
  }

  .ai-input-bar {
    flex-wrap: wrap;
  }

  .ai-input-bar textarea {
    flex: 1 1 100%;
  }
}