.settings-page {
  height: 100%;
  min-height: 0;
  animation: fadeUp 220ms var(--ease) both;
}

.settings-shell {
  height: 100%;
  min-height: 0;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  overflow: hidden;
  border-radius: 24px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02), 0 4px 16px rgba(0, 0, 0, 0.03);
}

.settings-nav {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 12px;
  padding: 24px 16px 20px;
  border-right: 1px solid #e2e8f0;
  background: #f8fafc;
}

.settings-nav-head {
  display: grid;
  gap: 6px;
  padding: 0 8px 16px;
  border-bottom: 1px solid #e2e8f0;
}

.nav-kicker {
  color: #10b981;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.settings-nav-head h2 {
  color: #0f172a;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
}

.settings-nav-head p {
  color: #64748b;
  font-size: 12px;
  line-height: 1.5;
}

.settings-nav-list {
  min-height: 0;
  display: grid;
  align-content: start;
  gap: 6px;
  overflow: auto;
  padding-right: 2px;
}

.settings-nav-item {
  width: 100%;
  min-height: 60px;
  display: block;
  padding: 10px 14px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: #334155;
  text-align: left;
  transition: all 0.2s ease;
  cursor: pointer;
}

.settings-nav-item:hover {
  background: rgba(255, 255, 255, 0.8);
  border-color: #cbd5e1;
}

.settings-nav-item.active {
  background: #ecfdf5;
  color: #059669;
  border-color: rgba(16, 185, 129, 0.12);
}

.nav-item-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.nav-item-copy strong {
  color: inherit;
  font-size: 13.5px;
  font-weight: 700;
  line-height: 1.3;
}

.nav-item-copy small {
  color: #64748b;
  font-size: 11.5px;
  line-height: 1.4;
}

.settings-nav-item.active .nav-item-copy small {
  color: #059669;
  opacity: 0.8;
}

.settings-body {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  background: #f8fafc;
}

.settings-toolbar {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 24px;
  border-bottom: 1px solid #e2e8f0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
}

.settings-toolbar-copy {
  min-width: 0;
}

.settings-breadcrumb {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 10px;
  border-radius: 99px;
  background: #ecfdf5;
  color: #059669;
  font-size: 12px;
  font-weight: 700;
}

.settings-toolbar-copy h3 {
  margin-top: 4px;
  color: #0f172a;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
}

.settings-toolbar-copy p {
  margin-top: 3px;
  max-width: 760px;
  color: #64748b;
  font-size: 12.5px;
  line-height: 1.5;
}

.settings-toolbar-actions {
  display: grid;
  justify-items: end;
  gap: 12px;
}

.save-button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 20px;
  border: 0;
  border-radius: 12px;
  background: #10b981;
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.15);
  transition: all 0.2s ease;
  cursor: pointer;
}

.save-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.25);
  background: #059669;
}

.settings-content {
  min-height: 0;
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 20px;
  padding: 20px 24px;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.test-button {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 12px;
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: 10px;
  background: #ecfdf5;
  color: #059669;
  font-size: 12.5px;
  font-weight: 700;
  transition: all 0.2s ease;
  cursor: pointer;
}

.test-button:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: #10b981;
  background: #10b981;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.15);
}

.test-button:disabled {
  cursor: wait;
  opacity: 0.6;
}

.profile-grid {
  grid-template-columns: 96px repeat(2, minmax(0, 1fr));
}

.session-picker-filter {
  position: relative;
}

.session-picker-trigger {
  width: 100%;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 0 40px 0 14px;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  background: #ffffff;
  color: #0f172a;
  font-size: 13px;
  font-weight: 600;
  text-align: left;
  transition: all 0.2s ease;
  cursor: pointer;
}

.session-picker-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.session-picker-trigger .mdi {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: #64748b;
  font-size: 18px;
  pointer-events: none;
}

.session-picker-trigger:hover,
.session-picker-filter.open .session-picker-trigger {
  border-color: #10b981;
  background: #ffffff;
  color: #059669;
}

.session-picker-filter.open .session-picker-trigger {
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.08);
}

.session-picker-filter.open .session-picker-trigger .mdi,
.session-picker-trigger:hover .mdi {
  color: #059669;
}

.session-picker-popover {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  width: 100%;
  z-index: 40;
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
}

.session-picker-popover header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.session-picker-popover header strong {
  color: #0f172a;
  font-size: 14px;
  font-weight: 700;
}

.session-picker-popover header button {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #64748b;
  cursor: pointer;
  transition: all 0.2s ease;
}

.session-picker-popover header button:hover {
  background: #f1f5f9;
  color: #0f172a;
}

.session-picker-option-list {
  display: grid;
  gap: 6px;
  max-height: 200px;
  overflow-y: auto;
}

.session-picker-option {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: #ffffff;
  color: #334155;
  font-size: 13px;
  font-weight: 600;
  text-align: left;
  transition: all 0.2s ease;
  cursor: pointer;
}

.session-picker-option:hover,
.session-picker-option.active {
  border-color: #10b981;
  background: #ecfdf5;
  color: #059669;
}

.secret-bound-state {
  min-height: 24px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #059669;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.45;
}

.secret-bound-state i {
  font-size: 14px;
}

.test-feedback {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.6;
}

.test-feedback i {
  margin-top: 2px;
  font-size: 14px;
}

.test-feedback.is-success {
  background: #ecfdf5;
  color: #059669;
}

.test-feedback.is-error {
  background: #fef2f2;
  color: #b91c1c;
}

.test-feedback.is-testing {
  background: #eff6ff;
  color: #1d4ed8;
}

.logo-field {
  align-self: stretch;
}

.logo-tile {
  width: 96px;
  height: 96px;
  display: grid;
  place-items: center;
  border: 1px dashed #cbd5e1;
  border-radius: 20px;
  background:
    linear-gradient(45deg, #f8fafc 25%, transparent 25%, transparent 75%, #f8fafc 75%, #f8fafc),
    linear-gradient(45deg, #f8fafc 25%, transparent 25%, transparent 75%, #f8fafc 75%, #f8fafc);
  background-position: 0 0, 9px 9px;
  background-size: 18px 18px;
  color: #10b981;
  font-size: 32px;
}

.preview-card {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  padding: 24px;
  border: 1px solid rgba(16, 185, 129, 0.15);
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.04) 0%, rgba(59, 130, 246, 0.02) 100%);
}

.preview-icon {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #ffffff;
  font-size: 28px;
  box-shadow: 0 8px 20px rgba(16, 185, 129, 0.15);
}

.preview-copy strong {
  display: block;
  color: #0f172a;
  font-size: 16px;
  font-weight: 700;
}

.preview-copy p {
  margin-top: 4px;
  color: #334155;
  font-size: 13.5px;
  font-weight: 600;
}

.preview-copy small {
  display: block;
  margin-top: 6px;
  color: #64748b;
  font-size: 12px;
  line-height: 1.5;
}

.preview-badge {
  min-height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border-radius: 999px;
  background: #ecfdf5;
  color: #059669;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

.chip-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.level-chip {
  min-width: 80px;
  min-height: 34px;
  padding: 0 16px;
  border: 1px solid #cbd5e1;
  border-radius: 999px;
  background: #ffffff;
  color: #64748b;
  font-size: 12px;
  font-weight: 700;
  transition: all 0.2s ease;
  cursor: pointer;
}

.level-chip:hover {
  border-color: #10b981;
  color: #10b981;
  background: #ecfdf5;
}

.level-chip.active {
  border-color: #10b981;
  background: #10b981;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.range-shell {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 14px;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  background: #ffffff;
}

.range-shell input[type='range'] {
  flex: 1 1 auto;
  accent-color: #10b981;
  cursor: pointer;
}

.range-shell strong {
  min-width: 28px;
  color: #0f172a;
  font-size: 13px;
  font-weight: 700;
  text-align: right;
}

.rendering-settings-card .switch-group {
  margin-bottom: 20px;
}

/* 大语言模型配置卡片特定图标与标题排版 */
.card-title-with-icon {
  display: flex;
  align-items: center;
  gap: 12px;
}

.model-icon-box {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  font-size: 18px;
  flex: 0 0 auto;
  background: #f8fafc;
  color: #475569;
  border: 1px solid #e2e8f0;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
}

.model-icon-box.purple,
.model-icon-box.orange,
.model-icon-box.cyan,
.model-icon-box.teal {
  background: #f8fafc;
  color: #475569;
  border: 1px solid #e2e8f0;
}

@media (max-width: 1260px) {
  .settings-shell {
    grid-template-columns: 200px minmax(0, 1fr);
  }

  .settings-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .settings-toolbar-actions {
    justify-items: stretch;
  }

  .save-button {
    justify-content: center;
  }
}

@media (max-width: 960px) {
  .settings-shell {
    grid-template-columns: 1fr;
  }

  .settings-nav {
    grid-template-rows: auto auto auto;
    border-right: 0;
    border-bottom: 1px solid #e2e8f0;
  }

  .settings-nav-list {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-right: 0;
    padding-bottom: 4px;
  }

  .settings-nav-item {
    min-width: 170px;
  }

  .settings-toolbar,
  .settings-content {
    padding: 20px;
  }

  .model-grid,
  .form-grid,
  .profile-grid {
    grid-template-columns: 1fr;
  }

  .field-wide,
  .field-full {
    grid-column: span 1;
  }

  .logo-field {
    width: fit-content;
  }

  .preview-card {
    grid-template-columns: 1fr;
    justify-items: start;
    padding: 20px;
  }
}

@media (max-width: 640px) {
  .settings-toolbar {
    padding: 16px;
  }

  .settings-toolbar-copy h3 {
    font-size: 20px;
  }

  .settings-content {
    padding: 16px;
  }

  .settings-card {
    padding: 20px 16px;
    border-radius: 16px;
  }

  .settings-nav {
    padding: 16px 12px 12px;
  }
}