/* Minimalist, e-ink-compatible, light-baseline design system; dark mode lives entirely in dark.css. */

:root {
  --bg: #fff;
  --fg: #000;
  --muted: #444;
  --border-color: #000;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --border: 1px solid var(--border-color);
  --border-thick: 2px solid var(--border-color);
  --radius: 4px;
  --serif: Georgia, "Times New Roman", serif;
  --sans: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--serif);
  margin: 0;
  line-height: 1.6;
  min-height: 100vh;
}

h1, h2, h3 {
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 var(--space-2);
}

h1 {
  font-size: 1.75rem;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 1.15rem;
  margin-top: var(--space-4);
  padding-bottom: var(--space-1);
  border-bottom: var(--border);
}

p {
  margin: 0 0 var(--space-2);
}

a {
  color: var(--fg);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover {
  text-decoration-thickness: 2px;
}

input:focus, select:focus, button:focus, a:focus {
  outline: 2px solid var(--fg);
  outline-offset: 2px;
}

/* Header / nav */
.site-header {
  border-bottom: var(--border-thick);
  padding: var(--space-2) var(--space-3);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-family: var(--sans);
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.site-header nav {
  display: flex;
  gap: var(--space-3);
}

.site-header nav a {
  font-size: 0.95rem;
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}

.site-header nav a[aria-current="page"] {
  border-bottom-color: var(--border-color);
  font-weight: 600;
}

.user-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.9rem;
}

.user-bar form {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.account-menu {
  position: relative;
}

.account-menu-panel {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.3rem;
  min-width: 10rem;
  background: var(--bg);
  border: var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  z-index: 10;
}

.account-menu-panel[hidden] {
  display: none;
}

.account-menu-panel form {
  display: contents;
}

.account-menu-panel a,
.account-menu-panel button {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.85rem;
  text-align: left;
  text-decoration: none;
  background: var(--bg);
  color: var(--fg);
  border: none;
  border-radius: 0;
  padding: 0.5rem 0.8rem;
  cursor: pointer;
}

.account-menu-panel a:hover,
.account-menu-panel button:hover {
  background: var(--fg);
  color: var(--bg);
}

.chrome-button {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.85rem;
  background: var(--bg);
  color: var(--fg);
  border: var(--border);
  border-radius: var(--radius);
  padding: 0.3rem 0.7rem;
  line-height: 1;
  cursor: pointer;
}

.chrome-button:hover {
  background: var(--fg);
  color: var(--bg);
}

/* Main content */
main {
  max-width: 90rem;
  margin: 0 auto;
  padding: var(--space-4) var(--space-3);
}

/* Full-page centering for the login screen. */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
}

.card {
  border: var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  width: 100%;
  max-width: 24rem;
}

/* Forms */
label {
  display: block;
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

input[type="text"], input[type="password"], select {
  font: inherit;
  font-family: var(--sans);
  width: 100%;
  padding: 0.5rem 0.6rem;
  border: var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--fg);
  margin-bottom: var(--space-2);
}

button {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.95rem;
  background: var(--bg);
  color: var(--fg);
  border: var(--border-thick);
  border-radius: var(--radius);
  padding: 0.5rem 1.1rem;
  cursor: pointer;
}

button:hover {
  background: var(--fg);
  color: var(--bg);
}

.icon-button {
  font-size: 1.1rem;
  line-height: 1;
  padding: 0.25rem 0.45rem;
}

form.review-form {
  display: inline-flex;
  gap: var(--space-1);
}

.metric-select-form {
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.metric-select-form select {
  width: auto;
  margin-bottom: 0;
}

.filter-panel {
  margin-bottom: var(--space-3);
}

.filter-panel summary {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  margin-bottom: var(--space-2);
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.filter-field label {
  font-size: 0.75rem;
  margin-bottom: 0.15rem;
}

.filter-field {
  display: flex;
  flex-direction: column;
}

.filter-field-inputs {
  display: flex;
  gap: 0.3rem;
}

.filter-field-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.filter-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 0.85rem;
  margin-bottom: 0;
}

.filter-checkbox input[type="checkbox"] {
  margin: 0;
}

.filter-field input[type="number"] {
  width: 100%;
  min-width: 0;
  padding: 0.3rem 0.4rem;
  margin-bottom: 0;
}

/* Tables */
.table-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  max-width: 100%;
}

table {
  border-collapse: collapse;
  width: 100%;
  margin: var(--space-2) 0 var(--space-3);
  font-size: 0.95rem;
}

th, td {
  border-bottom: var(--border);
  padding: 0.6rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

th {
  font-family: var(--sans);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: var(--border-thick);
}

tbody tr:last-child td {
  border-bottom: none;
}

.mono {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.num {
  text-align: right;
}

/* For fields that can be an arbitrarily long ;-joined list (e.g. multi-gene matches) -- full value on hover via title. */
.truncate {
  display: inline-block;
  max-width: 12rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: bottom;
}

/* Verdict classifications -- meaning is carried by the symbol+label, not color. */
.classification {
  display: inline-block;
  font-weight: 700;
  font-size: 0.85rem;
  white-space: nowrap;
  border: var(--border);
  border-radius: var(--radius);
  padding: 0.15rem 0.5rem;
}

.classification-positive::before { content: "\2713 "; }
.classification-negative::before { content: "\2193 "; }
.classification-nonsignificant::before { content: "? "; }

.pagination {
  border-top: var(--border);
  padding-top: var(--space-2);
  margin-top: var(--space-2);
  font-family: var(--sans);
  font-size: 0.9rem;
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

.empty-note {
  font-style: italic;
  color: var(--muted);
}

.messages {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-3);
  font-family: var(--sans);
  font-size: 0.9rem;
}

.messages li {
  border: var(--border);
  border-radius: var(--radius);
  padding: 0.6rem 0.9rem;
  margin-bottom: var(--space-1);
}

#trends-plot svg {
  max-width: 100%;
  height: auto;
  border: var(--border);
  border-radius: var(--radius);
}

.plot-caption {
  font-style: italic;
  color: var(--muted);
  font-size: 0.9rem;
}