.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: 248px minmax(0, 1fr);
  overflow: hidden;
  border-radius: 24px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfefd 100%);
}

.settings-nav {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 10px;
  padding: 22px 16px 18px;
  border-right: 1px solid #e7edf3;
  background: linear-gradient(180deg, #fcfffd 0%, #f5fbf8 58%, #ffffff 100%);
}

.settings-nav-head {
  display: grid;
  gap: 8px;
  padding: 4px 10px 18px;
  border-bottom: 1px solid #eef3f7;
}

.nav-kicker {
  color: #10b981;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.settings-nav-head h2 {
  color: #0f172a;
  font-size: 24px;
  font-weight: 860;
  line-height: 1.1;
}

.settings-nav-head p {
  color: #64748b;
  font-size: 12px;
  line-height: 1.6;
}

.settings-nav-list {
  min-height: 0;
  display: grid;
  align-content: start;
  gap: 8px;
  overflow: auto;
  padding-right: 4px;
}

.settings-nav-item {
  width: 100%;
  min-height: 74px;
  display: block;
  padding: 14px 14px 14px 16px;
  border: 1px solid transparent;
  border-radius: 18px;
  background: transparent;
  color: #334155;
  text-align: left;
  transition:
    background 180ms var(--ease),
    border-color 180ms var(--ease),
    box-shadow 180ms var(--ease),
    color 180ms var(--ease),
    transform 180ms var(--ease);
}

.settings-nav-item:hover {
  transform: translateY(-1px);
  border-color: rgba(16, 185, 129, 0.14);
  background: rgba(255, 255, 255, 0.9);
}

.settings-nav-item.active {
  border-color: rgba(16, 185, 129, 0.16);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.14), rgba(16, 185, 129, 0.04));
  box-shadow: inset 3px 0 0 #10b981;
  color: #047857;
}

.nav-item-copy {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.nav-item-copy strong {
  color: inherit;
  font-size: 14px;
  font-weight: 820;
  line-height: 1.25;
}

.nav-item-copy small {
  color: #64748b;
  font-size: 12px;
  line-height: 1.45;
}

.settings-body {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 250, 252, 0.96) 100%);
}

.settings-toolbar {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 28px 20px;
  border-bottom: 1px solid #eef2f7;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
}

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

.settings-breadcrumb {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  background: #eef8f2;
  color: #047857;
  font-size: 12px;
  font-weight: 800;
}

.settings-toolbar-copy h3 {
  margin-top: 14px;
  color: #0f172a;
  font-size: 28px;
  font-weight: 860;
  line-height: 1.15;
}

.settings-toolbar-copy p {
  margin-top: 10px;
  max-width: 760px;
  color: #64748b;
  font-size: 14px;
  line-height: 1.7;
}

.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 18px;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, #13b87b, #0a9d68);
  color: #fff;
  font-size: 13px;
  font-weight: 820;
  box-shadow: 0 12px 26px rgba(5, 150, 105, 0.2);
  transition:
    transform 180ms var(--ease),
    box-shadow 180ms var(--ease),
    filter 180ms var(--ease);
}

.save-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 30px rgba(5, 150, 105, 0.22);
  filter: saturate(1.04);
}

.settings-content {
  min-height: 0;
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 18px;
  padding: 24px 28px 28px;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.settings-card {
  padding: 22px 22px 24px;
  border: 1px solid #e8eef3;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 251, 255, 0.94));
}

.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.card-head-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.card-head h4 {
  color: #0f172a;
  font-size: 18px;
  font-weight: 840;
  line-height: 1.2;
}

.card-head p {
  margin-top: 6px;
  color: #64748b;
  font-size: 13px;
  line-height: 1.65;
}

.test-button {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 14px;
  border: 1px solid rgba(16, 185, 129, 0.18);
  border-radius: 12px;
  background: #f7fffb;
  color: #047857;
  font-size: 13px;
  font-weight: 800;
  transition:
    border-color 180ms var(--ease),
    background 180ms var(--ease),
    color 180ms var(--ease),
    transform 180ms var(--ease);
}

.test-button:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: rgba(16, 185, 129, 0.34);
  background: #ecfdf5;
}

.test-button:disabled {
  cursor: wait;
  opacity: 0.78;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  align-items: start;
}

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

.compact-grid {
  margin-bottom: 18px;
}

.field {
  display: grid;
  gap: 8px;
}

.field-wide {
  grid-column: span 2;
}

.field-full {
  grid-column: 1 / -1;
}

.field span {
  color: #334155;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.2;
}

.field em {
  margin-right: 4px;
  color: #ef4444;
  font-style: normal;
}

.field input,
.field select {
  width: 100%;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid #d7e0ea;
  border-radius: 16px;
  background: #fff;
  color: #0f172a;
  font-size: 13px;
  line-height: 1.45;
  transition:
    border-color 180ms var(--ease),
    box-shadow 180ms var(--ease),
    background 180ms var(--ease);
}

.field input::placeholder {
  color: #94a3b8;
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: rgba(16, 185, 129, 0.55);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.12);
}

.secret-bound-state {
  min-height: 24px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #047857;
  font-size: 12px;
  font-weight: 750;
  line-height: 1.45;
}

.secret-bound-state i {
  font-size: 15px;
}

.test-feedback {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 14px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.6;
}

.test-feedback i {
  margin-top: 2px;
  font-size: 15px;
}

.test-feedback.is-success {
  background: #ecfdf5;
  color: #047857;
}

.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: 22px;
  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: 36px;
}

.preview-card {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  padding: 22px;
  border: 1px solid rgba(16, 185, 129, 0.14);
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(59, 130, 246, 0.05));
}

.preview-icon {
  width: 78px;
  height: 78px;
  display: grid;
  place-items: center;
  border-radius: 22px;
  background: linear-gradient(135deg, #10b981, #0f766e);
  color: #fff;
  font-size: 34px;
  box-shadow: 0 14px 28px rgba(16, 185, 129, 0.18);
}

.preview-copy strong {
  display: block;
  color: #0f172a;
  font-size: 18px;
  font-weight: 840;
}

.preview-copy p {
  margin-top: 6px;
  color: #334155;
  font-size: 14px;
  font-weight: 700;
}

.preview-copy small {
  display: block;
  margin-top: 8px;
  color: #64748b;
  font-size: 12px;
  line-height: 1.55;
}

.preview-badge {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border-radius: 999px;
  background: #ecfdf5;
  color: #059669;
  font-size: 12px;
  font-weight: 820;
  white-space: nowrap;
}

.chip-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.level-chip {
  min-width: 78px;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid #d7e0ea;
  border-radius: 999px;
  background: #fff;
  color: #475569;
  font-size: 12px;
  font-weight: 820;
  transition:
    border-color 160ms ease,
    background 160ms ease,
    box-shadow 160ms ease,
    color 160ms ease;
}

.level-chip.active {
  border-color: #10b981;
  background: #10b981;
  color: #fff;
  box-shadow: 0 8px 18px rgba(16, 185, 129, 0.18);
}

.range-shell {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 14px;
  border: 1px solid #d7e0ea;
  border-radius: 16px;
  background: #fff;
}

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

.range-shell strong {
  min-width: 28px;
  color: #0f172a;
  font-size: 13px;
  font-weight: 800;
  text-align: right;
}

.switch-group {
  display: grid;
  gap: 12px;
}

.switch-row {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 16px;
  border: 1px solid #e5eaf0;
  border-radius: 18px;
  background: #fbfdff;
  text-align: left;
  transition:
    border-color 180ms var(--ease),
    background 180ms var(--ease),
    transform 180ms var(--ease);
}

.switch-row:hover {
  transform: translateY(-1px);
  border-color: rgba(16, 185, 129, 0.18);
  background: #f7fffb;
}

.switch-copy {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.switch-copy strong {
  color: #0f172a;
  font-size: 14px;
  font-weight: 800;
}

.switch-copy small {
  color: #64748b;
  font-size: 12px;
  line-height: 1.55;
}

.switch {
  position: relative;
  flex: 0 0 auto;
  width: 48px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  padding: 3px;
  border-radius: 999px;
  background: #dbe4ee;
  transition: background 180ms var(--ease);
}

.switch i {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.14);
  transition: transform 180ms var(--ease);
}

.switch.active {
  background: #10b981;
}

.switch.active i {
  transform: translateX(20px);
}

@media (max-width: 1260px) {
  .settings-shell {
    grid-template-columns: 226px minmax(0, 1fr);
  }

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

  .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 #e7edf3;
  }

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

  .settings-nav-item {
    min-width: 208px;
  }

  .settings-toolbar,
  .settings-content {
    padding-inline: 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;
  }
}

@media (max-width: 640px) {
  .settings-toolbar {
    padding: 18px 16px;
  }

  .settings-toolbar-copy h3 {
    font-size: 24px;
  }

  .settings-content {
    padding: 16px;
  }

  .settings-card {
    padding: 18px 16px;
    border-radius: 18px;
  }

  .settings-nav {
    padding: 18px 12px 14px;
  }
}
