:root {
  --accent: #ec008c;
  --bg: #ffffff;
  --surface: #fafafa;
  --surface-hover: #f5f5f5;
  --border: #e5e7eb;
  --text: #18181b;
  --muted-text: #71717a;
  --success: #34d399;
  --warning: #f59e0b;
  --danger: #ef4444;
  --font: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body[data-page="settings"] {
  height: 100vh;
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

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

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

.hidden {
  display: none !important;
}

.settings-app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: var(--bg);
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
  padding: 0 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.settings-header-left h1 {
  font-size: 15px;
  font-weight: 600;
}

.settings-header-right {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.settings-header-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: flex-end;
}

.header-meta-line {
  color: var(--muted-text);
  font-size: 11px;
  line-height: 1.2;
  white-space: nowrap;
}

.close-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  color: var(--muted-text);
  font-size: 24px;
  line-height: 1;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease;
}

.button:hover:not(:disabled) {
  background: var(--surface-hover);
}

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

.button-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.button-primary:hover:not(:disabled) {
  background: #d9007f;
}

.button-secondary {
  background: var(--bg);
}

.button.has-tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 8px);
  width: 220px;
  padding: 8px 10px;
  border-radius: 8px;
  background: #18181b;
  color: #ffffff;
  font-size: 11px;
  font-weight: 400;
  line-height: 1.4;
  text-align: left;
  white-space: normal;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(4px);
  transition: opacity 120ms ease, transform 120ms ease;
  z-index: 30;
}

.button.has-tooltip::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: calc(100% + 2px);
  width: 10px;
  height: 10px;
  background: #18181b;
  transform: translateX(-50%) rotate(45deg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 120ms ease;
  z-index: 29;
}

.button.has-tooltip:hover::after,
.button.has-tooltip:hover::before,
.button.has-tooltip:focus-visible::after,
.button.has-tooltip:focus-visible::before {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.button-danger {
  color: var(--danger);
}

.inline-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  color: var(--accent);
}

.settings-banner {
  margin: 12px 20px 0;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
}

.settings-banner strong {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
  font-weight: 600;
}

.settings-banner p {
  color: var(--muted-text);
  font-size: 12px;
  line-height: 1.45;
}

.settings-body {
  flex: 1;
  display: flex;
  min-height: 0;
}

.settings-sidebar {
  width: 200px;
  flex: 0 0 200px;
  border-right: 1px solid var(--border);
  background: rgba(250, 250, 250, 0.7);
  display: flex;
  flex-direction: column;
}

.sidebar-vitals-label,
.sidebar-group-label {
  color: var(--muted-text);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0 10px;
}

.sidebar-group {
  padding: 0 0 4px;
}

.sidebar-group-label {
  display: block;
  padding: 8px 12px 6px;
}

.sidebar-divider {
  margin: 6px 0;
  border-top: 1px solid var(--border);
}

.sidebar-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 40px;
  padding: 0 12px;
  color: var(--muted-text);
  font-size: 12px;
  font-weight: 500;
}

.sidebar-item svg {
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
}

.sidebar-item:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.sidebar-item.is-active {
  background: var(--bg);
  color: var(--text);
}

.sidebar-item.is-active::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 2px;
  height: 100%;
  background: var(--accent);
}

.settings-content {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
}

.settings-content-inner {
  max-width: 880px;
  padding: 24px 20px 56px;
}

.sync-callout {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 12px;
  margin-bottom: 18px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
}

.sync-callout-copy strong {
  display: block;
  font-size: 12px;
  font-weight: 600;
}

.sync-callout-copy p {
  margin-top: 4px;
  color: var(--muted-text);
  font-size: 11px;
  line-height: 1.45;
}

.summary-strip {
  display: none;
}

.summary-pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  background: #ffffff;
  border: 1px solid var(--border);
  color: var(--muted-text);
  font-size: 10px;
  font-weight: 500;
}

.save-note {
  margin-top: 8px;
  color: var(--muted-text);
  font-size: 11px;
}

.sync-callout-actions,
.banner-actions,
.linking-toolbar {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.settings-panel {
  display: block;
}

.settings-panel.hidden {
  display: none !important;
}

.section-header {
  margin-bottom: 14px;
}

.section-header-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
  flex-wrap: wrap;
}

.section-header-top svg {
  width: 16px;
  height: 16px;
  color: var(--muted-text);
}

.section-header h2 {
  font-size: 13px;
  font-weight: 600;
}

.section-header p,
.section-caption p,
.status-note {
  color: var(--muted-text);
  font-size: 11px;
  line-height: 1.45;
}

.section-caption {
  padding: 0 12px 8px;
}

.section-caption span {
  display: block;
  color: var(--muted-text);
  font-size: 12px;
  font-weight: 500;
}

.section-caption-space {
  padding-top: 12px;
}

.beta-badge {
  display: inline-flex;
  align-items: center;
  min-height: 18px;
  padding: 0 7px;
  border-radius: 999px;
  background: rgba(236, 0, 140, 0.08);
  color: var(--accent);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.settings-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.text-row,
.select-row,
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 12px;
  border-radius: 10px;
  transition: background-color 120ms ease;
}

.text-row {
  display: block;
}

.text-row:hover,
.select-row:hover,
.toggle-row:hover,
.device-item:hover,
.step:hover,
.info-list li:hover {
  background: rgba(245, 245, 245, 0.8);
}

.field-copy {
  min-width: 0;
  padding-right: 12px;
}

.field-label {
  display: block;
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
}

.field-desc {
  display: block;
  margin-top: 2px;
  color: var(--muted-text);
  font-size: 11px;
  line-height: 1.45;
}

.setting-input,
.setting-select {
  width: 100%;
  min-height: 38px;
  padding: 0 12px;
  margin-top: 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(245, 245, 245, 0.65);
  color: var(--text);
  font-size: 12px;
}

.select-row .setting-select,
.toggle-row .setting-select {
  width: 280px;
  margin-top: 0;
  flex: 0 0 auto;
}

.setting-select-compact {
  width: 110px !important;
}

.setting-input:focus,
.setting-select:focus {
  outline: none;
  border-color: rgba(236, 0, 140, 0.35);
  box-shadow: 0 0 0 1px rgba(236, 0, 140, 0.18);
}

.toggle-switch {
  appearance: none;
  position: relative;
  width: 36px;
  height: 20px;
  margin: 0;
  border-radius: 999px;
  background: #e5e7eb;
  cursor: pointer;
  transition: background-color 120ms ease;
  flex: 0 0 auto;
}

.toggle-switch::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
  transition: transform 120ms ease;
}

.toggle-switch:checked {
  background: var(--accent);
}

.toggle-switch:checked::after {
  transform: translateX(16px);
}

.sync-status-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px 10px;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 10px;
  font-weight: 600;
}

.status-chip.success {
  color: #047857;
  background: #ecfdf5;
  border-color: #a7f3d0;
}

.status-chip.warning {
  color: #92400e;
  background: #fffbeb;
  border-color: #fcd34d;
}

.status-chip.danger {
  color: #b91c1c;
  background: #fef2f2;
  border-color: #fecaca;
}

.status-chip.neutral {
  color: var(--muted-text);
  background: #ffffff;
}

.device-list,
.steps,
.info-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.device-item,
.step,
.info-list li {
  list-style: none;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 12px;
  border-radius: 10px;
}

.info-list li {
  display: block;
}

.device-item strong,
.step-body strong {
  display: block;
  font-size: 12px;
  font-weight: 600;
}

.device-item span,
.step-body span,
.info-list li {
  color: var(--muted-text);
  font-size: 11px;
  line-height: 1.45;
}

.device-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.empty-state {
  padding: 10px 12px;
  color: var(--muted-text);
  font-size: 11px;
}

.steps {
  margin-top: 6px;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: rgba(236, 0, 140, 0.08);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  flex: 0 0 20px;
}

.step-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.error-text {
  margin-top: 10px;
  color: var(--danger);
  font-size: 11px;
}

.beta-card {
  margin-top: 8px;
  padding: 14px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
}

.beta-card h3 {
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 6px;
}

.beta-card p,
.beta-list li {
  color: var(--muted-text);
  font-size: 11px;
  line-height: 1.5;
}

.beta-list {
  margin: 10px 0;
  padding-left: 18px;
}

.beta-list li + li {
  margin-top: 4px;
}

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

.link-page {
  min-height: 100vh;
  background: var(--bg);
}

.link-shell {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 20px 56px;
}

.link-panel {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

.link-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.link-meta-item {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #ffffff;
}

.link-meta-item span {
  display: block;
  margin-bottom: 2px;
  color: var(--muted-text);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.link-meta-item strong {
  font-size: 12px;
  font-weight: 600;
}

@media (max-width: 900px) {
  body[data-page="settings"] {
    height: auto;
    overflow: auto;
  }

  .settings-app {
    height: auto;
  }

  .settings-body {
    flex-direction: column;
  }

  .settings-sidebar {
    width: 100%;
    flex-basis: auto;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .settings-content {
    overflow: visible;
  }

  .settings-content-inner {
    max-width: none;
  }

  .select-row,
  .toggle-row,
  .sync-callout,
  .settings-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .settings-header-right,
  .settings-header-meta {
    align-items: flex-start;
  }

  .select-row .setting-select,
  .toggle-row .setting-select {
    width: 100%;
  }

  .device-item,
  .step {
    flex-direction: column;
  }

  .link-meta {
    grid-template-columns: 1fr;
  }
}