/* PANEL base: element defaults on top of tokens.css.
 * Styles bare HTML so markdown-rendered researcher content (consent,
 * instructions, prompts) looks right with no classes. Components live in
 * components.css. */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--we-font-sans);
  font-size: var(--we-text-base);
  line-height: var(--we-leading);
  color: var(--we-text);
  background: var(--we-bg);
}

h1,
h2,
h3,
h4 {
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 680;
  margin: 0 0 var(--we-space-3);
  text-wrap: balance;
  color: var(--we-text);
}

h1 { font-size: var(--we-text-2xl); }
h2 { font-size: var(--we-text-xl); letter-spacing: -0.015em; }
h3 { font-size: var(--we-text-lg); letter-spacing: -0.01em; font-weight: 650; }
h4 { font-size: var(--we-text-base); letter-spacing: -0.005em; font-weight: 650; }

p {
  margin: 0 0 var(--we-space-4);
}

hgroup {
  margin-bottom: var(--we-space-5);
}
hgroup > :last-child {
  color: var(--we-text-muted);
  margin: 0;
  font-size: var(--we-text-base);
}
hgroup h1,
hgroup h2 {
  margin-bottom: var(--we-space-2);
}

a {
  color: var(--we-primary);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--we-primary) 40%, transparent);
  text-underline-offset: 2px;
}
a:hover {
  text-decoration-color: currentColor;
}

small {
  font-size: var(--we-text-sm);
}

ul,
ol {
  margin: 0 0 var(--we-space-4);
  padding-left: 1.4em;
}

blockquote {
  margin: 0 0 var(--we-space-4);
  padding: var(--we-space-2) var(--we-space-4);
  border-left: 3px solid var(--we-border-strong);
  color: var(--we-text-muted);
}

code,
kbd,
pre {
  font-family: var(--we-font-mono);
  font-size: 0.9em;
}
code {
  background: var(--we-surface-2);
  border: 1px solid var(--we-border);
  border-radius: var(--we-radius-sm);
  padding: 0.1em 0.35em;
  overflow-wrap: anywhere;
}

hr {
  border: 0;
  border-top: 1px solid var(--we-border);
  margin: var(--we-space-5) 0;
}

img,
video {
  max-width: 100%;
  height: auto;
}

figure {
  margin: 0 0 var(--we-space-4);
}

/* --- forms ------------------------------------------------------------- */

label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--we-space-1);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="url"],
input[type="search"],
select,
textarea {
  width: 100%;
  font: inherit;
  color: var(--we-text);
  background: var(--we-surface);
  border: 1px solid var(--we-border-strong);
  border-radius: var(--we-radius-sm);
  padding: 0.5rem 0.7rem;
  margin: 0;
  transition: border-color 0.12s ease-out, box-shadow 0.12s ease-out;
}
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--we-primary);
  box-shadow: var(--we-focus-ring);
}
input::placeholder,
textarea::placeholder {
  color: var(--we-text-faint);
}
input:disabled,
select:disabled,
textarea:disabled,
button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

input[type="checkbox"],
input[type="radio"] {
  width: 1.05rem;
  height: 1.05rem;
  margin: 0 0.45rem 0 0;
  accent-color: var(--we-primary);
  vertical-align: -0.15rem;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--we-primary);
  margin: 0;
}

input[type="file"] {
  font: inherit;
  color: var(--we-text-muted);
}

fieldset {
  border: 0;
  padding: 0;
  margin: 0 0 var(--we-space-5);
  min-width: 0;
}

legend {
  font-weight: 600;
  padding: 0;
  margin-bottom: var(--we-space-2);
  max-width: 100%;
}

/* Neutral button look for every button (variants in components.css). */
button,
input[type="submit"] {
  font: inherit;
  font-weight: 500;
  color: var(--we-text);
  background: var(--we-surface);
  border: 1px solid var(--we-border-strong);
  border-radius: var(--we-radius-sm);
  padding: 0.45rem 0.9rem;
  cursor: pointer;
  transition: background 0.12s ease-out, border-color 0.12s ease-out;
}
button:hover:not(:disabled),
input[type="submit"]:hover:not(:disabled) {
  background: var(--we-surface-2);
  border-color: var(--we-border-strong);
}

:focus-visible {
  outline: none;
  box-shadow: var(--we-focus-ring);
  border-radius: var(--we-radius-sm);
}

/* --- tables ------------------------------------------------------------ */

table {
  border-collapse: collapse;
  width: 100%;
  font-size: var(--we-text-sm);
}
th {
  text-align: left;
  font-weight: 600;
  color: var(--we-text-muted);
  padding: 0.5rem 0.75rem;
  border-bottom: 2px solid var(--we-border);
  white-space: nowrap;
}
td {
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--we-border);
  vertical-align: middle;
}

/* --- details / dialog --------------------------------------------------- */

details {
  margin-bottom: var(--we-space-4);
}
summary {
  cursor: pointer;
  font-weight: 500;
}
summary:hover {
  color: var(--we-primary);
}

dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: var(--we-space-1) var(--we-space-4);
  margin: 0 0 var(--we-space-4);
}
dl dt {
  font-weight: 500;
  color: var(--we-text-muted);
}
dl dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
}

::selection {
  background: color-mix(in srgb, var(--we-primary) 25%, transparent);
}