* {
  box-sizing: border-box;
}

:root {
  --md-primary: #1a73e8;
  --md-primary-hover: #1765cc;
  --md-on-primary: #ffffff;
  --md-page: #f9f9f7;
  --md-surface: #fcfcfb;
  --ink-primary: #0b0b0b;
  --ink-secondary: #52514e;
  --ink-muted: #898781;
  --outline: #c3c2b7;
  --hairline: #e1e0d9;
  --border: rgba(11, 11, 11, 0.1);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --elevation-1: 0 1px 2px rgba(11, 11, 11, 0.1), 0 1px 3px rgba(11, 11, 11, 0.08);
  --elevation-2: 0 2px 6px rgba(11, 11, 11, 0.12), 0 4px 12px rgba(11, 11, 11, 0.1);
}

html, body {
  margin: 0;
  min-height: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  background: var(--md-page);
  color: var(--ink-primary);
  font-family: "Roboto", system-ui, -apple-system, "Segoe UI", sans-serif;
}

.hidden {
  display: none !important;
}

.mat-elevation-1 {
  box-shadow: var(--elevation-1);
}

.mat-elevation-2 {
  box-shadow: var(--elevation-2);
}

/* Top bar */

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
  padding: 14px 20px;
  background: var(--md-surface);
  box-shadow: var(--elevation-1);
  position: sticky;
  top: 0;
  z-index: 10;
}

.material-title {
  font-size: 1.05rem;
  font-weight: 500;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-size: 0.82rem;
  color: var(--ink-secondary);
}

.user-chip span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 40vw;
}

.ios-install-hint {
  margin: 0;
  padding: 10px 20px;
  background: #eaf1fd;
  color: var(--ink-primary);
  font-size: 0.82rem;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.ios-install-hint .btn-text {
  padding: 2px 6px;
  font-size: 0.9rem;
}

/* Landing (public, unauthenticated) page */

.landing {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 20px 24px;
}

.landing-hero {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 32px;
}

.landing-icon {
  border-radius: 20px;
  margin-bottom: 16px;
}

.landing-hero h1 {
  font-size: 1.6rem;
  font-weight: 500;
  margin: 0 0 10px;
}

.landing-tagline {
  color: var(--ink-secondary);
  font-size: 1rem;
  margin: 0;
  line-height: 1.5;
}

.landing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: start;
}

.landing-grid .login-card {
  order: -1;
}

@media (min-width: 768px) {
  .landing-grid {
    grid-template-columns: minmax(0, 1fr) 380px;
  }

  .landing-grid .login-card {
    order: 0;
  }
}

.landing-info h2 {
  margin: 0 0 12px;
  font-size: 1.05rem;
  font-weight: 500;
}

.landing-info p {
  color: var(--ink-primary);
  font-size: 0.92rem;
  line-height: 1.6;
  margin: 0 0 14px;
}

.landing-info a {
  color: var(--md-primary);
}

.landing-features {
  margin: 0;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.landing-features li {
  font-size: 0.88rem;
  color: var(--ink-secondary);
  line-height: 1.5;
}

.login-card {
  text-align: center;
}

.login-card h2 {
  font-size: 1.1rem;
  font-weight: 500;
  margin: 0 0 8px;
}

.subtitle {
  color: var(--ink-secondary);
  font-size: 0.9rem;
  margin: 0 0 22px;
}

/* Layout: mobile-first — only the form (sidebar) is visible */

.layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.main-area {
  display: none;
}

@media (min-width: 768px) {
  .layout {
    grid-template-columns: minmax(0, 1fr) 380px;
    align-items: start;
  }

  .main-area {
    display: block;
  }

  .sidebar {
    position: sticky;
    top: 88px;
  }
}

.card {
  background: var(--md-surface);
  border-radius: var(--radius-md);
  padding: 20px;
}

.card-header h2 {
  margin: 0 0 14px;
  font-size: 1.05rem;
  font-weight: 500;
}

/* Form */

form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--ink-secondary);
  flex: 1;
  min-width: 0;
}

.field-row {
  display: flex;
  gap: 12px;
}

.field-row.wrap {
  flex-wrap: wrap;
}

.field-hint {
  margin: -8px 0 2px;
  font-size: 0.78rem;
  color: var(--ink-secondary);
}

.field-row.wrap .field {
  min-width: 160px;
}

input,
textarea,
select {
  width: 100%;
  min-width: 0;
  font-family: inherit;
  font-size: 1rem;
  padding: 10px 12px;
  border: 1px solid var(--outline);
  border-radius: var(--radius-sm);
  background: var(--md-surface);
  color: var(--ink-primary);
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--md-primary);
  border-width: 2px;
  padding: 9px 11px;
}

button {
  font-family: inherit;
  cursor: pointer;
}

.btn-filled {
  background: var(--md-primary);
  color: var(--md-on-primary);
  border: none;
  border-radius: 20px;
  padding: 12px 20px;
  font-size: 0.95rem;
  font-weight: 500;
}

.btn-filled:hover:not(:disabled) {
  background: var(--md-primary-hover);
}

.btn-filled:disabled {
  background: #9ab8ea;
  cursor: not-allowed;
}

.btn-text {
  background: none;
  border: none;
  color: var(--md-primary);
  font-size: 0.82rem;
  padding: 6px 8px;
  border-radius: 6px;
}

.btn-text:hover {
  background: rgba(26, 115, 232, 0.08);
}

.google-btn {
  background: var(--md-primary);
  color: white;
  border: none;
  border-radius: 20px;
  padding: 10px 22px;
  font-size: 0.95rem;
}

.google-btn:hover {
  background: var(--md-primary-hover);
}

.status {
  font-size: 0.85rem;
  color: var(--ink-secondary);
  min-height: 1.1em;
  margin: 8px 0 0;
}

.status.error {
  color: #c0392b;
}

.sheet-link {
  display: inline-block;
  margin-top: 10px;
  color: var(--md-primary);
  font-size: 0.85rem;
  text-decoration: none;
}

.sheet-link:hover {
  text-decoration: underline;
}

.health-update-btn {
  display: block;
  margin-top: 4px;
  padding-left: 0;
  text-align: left;
}

/* Health data modal */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 11, 11, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}

.modal-card {
  background: var(--md-surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-card h2 {
  margin: 0 0 8px;
  font-size: 1.2rem;
  font-weight: 500;
}

.modal-fieldset {
  border: none;
  padding: 18px 0 4px;
  margin: 0;
  border-top: 1px solid var(--hairline);
}

.modal-fieldset:first-of-type {
  border-top: none;
  padding-top: 0;
}

.modal-fieldset legend {
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0;
  margin-bottom: 12px;
  color: var(--ink-primary);
}

.fieldset-hint {
  font-size: 0.8rem;
  color: var(--ink-secondary);
  margin: -4px 0 14px;
}

.modal-fieldset .field-row {
  margin-bottom: 14px;
}

.modal-fieldset .field-row:last-child {
  margin-bottom: 0;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
}

/* Chart */

.viz-root {
  --chart-surface: #fcfcfb;
  --grid: #e1e0d9;
  --baseline: #c3c2b7;
  --muted-ink: #898781;
}

.chart-wrap {
  position: relative;
}

.chart-svg {
  width: 100%;
  height: auto;
  display: block;
}

.gridline {
  stroke: var(--grid);
  stroke-width: 1;
}

.axis-baseline {
  stroke: var(--baseline);
  stroke-width: 1;
}

.axis-label {
  fill: var(--muted-ink);
  font-size: 10px;
  font-family: "Roboto", sans-serif;
}

.series-line {
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.series-dot {
  stroke: var(--chart-surface);
  stroke-width: 2;
}

.crosshair {
  stroke: var(--outline);
  stroke-width: 1;
}

.hit-target {
  cursor: crosshair;
}

.hit-target:focus {
  outline: none;
}

.chart-tooltip {
  position: absolute;
  background: var(--md-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 0.78rem;
  box-shadow: var(--elevation-2);
  pointer-events: none;
  white-space: nowrap;
  z-index: 5;
}

.tooltip-date {
  color: var(--ink-secondary);
  font-weight: 500;
  margin-bottom: 4px;
}

.tooltip-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.tooltip-key {
  width: 10px;
  height: 2px;
  border-radius: 1px;
  display: inline-block;
}

.tooltip-name {
  color: var(--ink-secondary);
  flex: 1;
}

.tooltip-value {
  color: var(--ink-primary);
  font-variant-numeric: tabular-nums;
  margin-left: 4px;
}

.chart-legend {
  display: flex;
  gap: 16px;
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--ink-secondary);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.legend-swatch {
  width: 12px;
  height: 2px;
  border-radius: 1px;
  display: inline-block;
}

.table-details {
  margin-top: 18px;
  font-size: 0.85rem;
}

.table-details summary {
  cursor: pointer;
  color: var(--md-primary);
}

.table-root {
  margin-top: 10px;
  overflow-x: auto;
}

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.82rem;
}

th,
td {
  text-align: left;
  padding: 6px 10px;
  border-bottom: 1px solid var(--hairline);
  white-space: nowrap;
}

.num-cell {
  font-variant-numeric: tabular-nums;
}

/* Footer */

.app-footer {
  text-align: center;
  padding: 20px 16px 32px;
  font-size: 0.78rem;
}

.app-footer a {
  color: var(--ink-secondary);
}

/* Legal pages (privacy policy, etc.) */

.legal-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

.legal-card {
  padding: 32px 28px;
}

.legal-card h1 {
  font-size: 1.4rem;
  font-weight: 500;
  margin: 0 0 4px;
}

.legal-updated {
  color: var(--ink-secondary);
  font-size: 0.85rem;
  margin: 0 0 24px;
}

.legal-card h2 {
  font-size: 1.05rem;
  font-weight: 500;
  margin: 28px 0 10px;
}

.legal-card p,
.legal-card li {
  color: var(--ink-primary);
  font-size: 0.92rem;
  line-height: 1.6;
}

.legal-card ul {
  padding-left: 20px;
  margin: 8px 0;
}

.legal-card a {
  color: var(--md-primary);
}

.legal-card code {
  background: var(--md-page);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85em;
}