/* styles.css — Random Life: plain classroom tool.
 * No framework, no theme. Basic colours only: white/grey + standard blue.
 * Mobile-first. Light/dark follows the OS (same as Pico did).
 */

:root {
  color-scheme: light dark;

  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Light */
  --bg: #f8f9fa;
  --surface: #ffffff;
  --text: #212529;
  --muted: #6c757d;
  --border: #dee2e6;
  --border-strong: #adb5bd;
  --input-bg: #ffffff;
  --input-border: #ced4da;
  --primary: #0d6efd;
  --primary-hover: #0b5ed7;
  --on-primary: #ffffff;
  --secondary: #6c757d;
  --secondary-hover: #5c636a;
  --stripe: #f8f9fa;
  --badge-bg: #e9ecef;
  --link: #0d6efd;
  --code-bg: #f1f3f5;
  --shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --backdrop: rgba(33, 37, 41, 0.5);
  --focus-ring: rgba(13, 110, 253, 0.25);

  --radius: 0.375rem;
  --measure: 45rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #212529;
    --surface: #2b3035;
    --text: #f8f9fa;
    --muted: #adb5bd;
    --border: #495057;
    --border-strong: #6c757d;
    --input-bg: #212529;
    --input-border: #495057;
    --primary: #0d6efd;
    --primary-hover: #0b5ed7;
    --on-primary: #ffffff;
    --secondary: #6c757d;
    --secondary-hover: #5c636a;
    --stripe: rgba(255, 255, 255, 0.03);
    --badge-bg: #343a40;
    --link: #6ea8fe;
    --code-bg: #343a40;
    --shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.4);
    --backdrop: rgba(0, 0, 0, 0.6);
    --focus-ring: rgba(110, 168, 254, 0.35);
  }
}

/* ---------- Base ---------- */

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

[hidden] { display: none !important; }

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

body {
  margin: 0;
  font-family: var(--font-sans);
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: var(--measure);
  margin-inline: auto;
  padding-inline: 1rem;
}

/* ---------- Type ---------- */

h1, h2, h3 {
  line-height: 1.25;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--text);
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.375rem; }
h3 { font-size: 1.0625rem; margin-top: 1.5rem; }

p { margin: 0 0 1rem; }

small { font-size: 0.875em; color: var(--muted); }

a { color: var(--link); }
a:hover { text-decoration-thickness: 2px; }

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 0.25rem;
  padding: 0.1em 0.35em;
  color: var(--text);
}

ul, ol { padding-left: 1.25rem; }
li { margin-bottom: 0.25rem; }

/* ---------- Header ---------- */

body > header.container {
  padding-top: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

body > header nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

body > header nav strong {
  font-size: 1.125rem;
  font-weight: 700;
}

/* ---------- Main ---------- */

main.container {
  padding-top: 1.5rem;
  padding-bottom: 2rem;
}

main > section:first-child p,
#advanced-section > p {
  color: var(--muted);
}

/* ---------- Buttons (standard blue / grey) ---------- */

button,
a[role="button"] {
  font: inherit;
  font-weight: 400;
  line-height: 1.5;
  cursor: pointer;
  display: inline-block;
  text-align: center;
  text-decoration: none;
  vertical-align: middle;
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  background: var(--primary);
  color: var(--on-primary);
  padding: 0.5rem 1rem;
}

button:hover,
a[role="button"]:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: var(--on-primary);
}

button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

/* Solid grey secondary (e.g. "Generate again"). */
button.secondary,
a[role="button"].secondary {
  background: var(--secondary);
  border-color: var(--secondary);
  color: #fff;
}

button.secondary:hover,
a[role="button"].secondary:hover {
  background: var(--secondary-hover);
  border-color: var(--secondary-hover);
  color: #fff;
}

/* Outline grey (footer + tabs). */
button.outline,
a[role="button"].outline {
  background: transparent;
}

button.secondary.outline,
a[role="button"].secondary.outline {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}

button.secondary.outline:hover,
a[role="button"].secondary.outline:hover {
  background: var(--badge-bg);
  border-color: var(--border-strong);
  color: var(--text);
}

#generate-btn {
  width: 100%;
  font-size: 1.0625rem;
  padding: 0.65rem 1rem;
}
@media (min-width: 600px) {
  #generate-btn { width: auto; min-width: 18rem; }
}

/* ---------- Life output controls (comparison) ---------- */

#life-controls-section {
  margin: 1rem 0 0;
}

#life-controls {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.life-control {
  position: relative;
  margin: 0;
  padding: 0.75rem 0.9rem 0.9rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  box-shadow: var(--shadow);
}

.life-control > legend {
  font-weight: 700;
  padding: 0 0.4rem;
}

.life-remove-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.6rem;
  font-size: 0.8125rem;
  padding: 0.2rem 0.6rem;
}

.life-fields {
  display: grid;
  gap: 0.6rem;
  grid-template-columns: 1fr;
  margin-top: 0.25rem;
}

@media (min-width: 600px) {
  .life-fields { grid-template-columns: 1fr 1fr 1fr; }
}

.life-fields label {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted);
}

.life-fields select {
  margin-top: 0.25rem;
}

#add-life-btn {
  width: 100%;
  font-size: 0.9375rem;
  padding: 0.45rem 0.9rem;
}
@media (min-width: 600px) {
  #add-life-btn { width: auto; }
}

#advanced-section {
  margin-top: 2rem;
}

/* Spinner for aria-busy. */
button[aria-busy="true"] { pointer-events: none; }
button[aria-busy="true"]::after {
  content: "";
  display: inline-block;
  width: 1em;
  height: 1em;
  margin-left: 0.5em;
  vertical-align: -0.125em;
  border: 0.15em solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: rl-spin 0.75s linear infinite;
}
@keyframes rl-spin { to { transform: rotate(360deg); } }

:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 0.25rem var(--focus-ring);
}
button:focus:not(:focus-visible) { box-shadow: none; }

/* ---------- Result card ---------- */

#profile-section,
#embed-profile-section { margin-top: 1.25rem; }

#profile-card,
#embed-profile-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  box-shadow: var(--shadow);
  margin: 0;
  overflow: hidden;
}

#profile-card > header,
#embed-profile-card > header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--stripe);
}

#profile-card > header h2,
#embed-profile-card > header h2 { margin-bottom: 0.25rem; }

#profile-card > header p,
#embed-profile-card > header p { margin: 0; color: var(--muted); }

#profile-card > footer,
#embed-profile-card > footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
}

#regenerate-btn,
#embed-generate-btn { width: 100%; }
@media (min-width: 600px) {
  #regenerate-btn,
  #embed-generate-btn { width: auto; }
}

/* ---------- Table ---------- */

.overflow-auto { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 1rem;
}

tbody th,
tbody td {
  padding: 0.6rem 1.25rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}

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

tbody tr:nth-child(odd) td,
tbody tr:nth-child(odd) th { background: var(--stripe); }

tbody th {
  font-weight: 600;
  color: var(--muted);
  width: 40%;
  font-size: 0.9375rem;
}

tbody td { color: var(--text); }

/* ---------- Comparison table (multiple lives) ---------- */

#profile-card .overflow-auto,
#embed-profile-card .overflow-auto {
  overflow-x: auto;
  max-width: 100%;
  -webkit-overflow-scrolling: touch;
}

#profile-card table[data-compare],
#embed-profile-card table[data-compare] {
  table-layout: fixed;
  width: max-content;
  min-width: 100%;
}

#profile-card table[data-compare] thead th,
#embed-profile-card table[data-compare] thead th {
  padding: 0.75rem 1rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
  background: var(--stripe);
  font-size: 1rem;
  overflow: hidden;
}

#profile-card table[data-compare] thead th.compare-corner,
#embed-profile-card table[data-compare] thead th.compare-corner {
  width: 8.5rem;
  min-width: 8.5rem;
  max-width: 8.5rem;
  position: sticky;
  left: 0;
  z-index: 3;
}

#profile-card table[data-compare] thead th.compare-person,
#embed-profile-card table[data-compare] thead th.compare-person {
  width: 12rem;
  min-width: 12rem;
  max-width: 12rem;
}

#profile-card table[data-compare] tbody th,
#embed-profile-card table[data-compare] tbody th {
  position: sticky;
  left: 0;
  z-index: 2;
  width: 8.5rem;
  min-width: 8.5rem;
  max-width: 8.5rem;
  background: var(--surface);
  border-right: 1px solid var(--border);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#profile-card table[data-compare] tbody td,
#embed-profile-card table[data-compare] tbody td {
  width: 12rem;
  min-width: 12rem;
  max-width: 12rem;
  white-space: normal;
  overflow-wrap: anywhere;
}

/* Occupation values are condensed (see data.js) and pinned to one line. */
td.occ {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#profile-card table[data-compare] tbody tr:nth-child(odd) td,
#embed-profile-card table[data-compare] tbody tr:nth-child(odd) td {
  background: var(--stripe);
}

#profile-card table[data-compare] tbody tr:nth-child(odd) th,
#embed-profile-card table[data-compare] tbody tr:nth-child(odd) th {
  /* Keep row labels opaque so scrolled columns slide underneath cleanly. */
  background: var(--surface);
  /* Subtle stripe hint without translucency issues in dark mode. */
  box-shadow: inset 0 0 0 999px var(--stripe);
}

.compare-name {
  font-weight: 700;
  color: var(--text);
  font-size: 1.0625rem;
  line-height: 1.3;
}

.compare-sub,
.compare-country {
  font-weight: 400;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.4;
}

.compare-country {
  margin-top: 0.1rem;
}

/* ---------- Status badge ---------- */

#data-status,
#embed-data-status {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  color: var(--muted);
  background: var(--badge-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.2rem 0.75rem;
}

/* ---------- Footer ---------- */

body > footer.container {
  border-top: 1px solid var(--border);
  padding-top: 1rem;
  padding-bottom: 2.5rem;
  text-align: center;
}

.footer-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin: 1rem 0;
}

.footer-actions button {
  font-size: 0.9375rem;
  padding: 0.4rem 0.8rem;
}

/* ---------- Dialogs ---------- */

dialog {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 0.5rem;
  padding: 0;
  width: min(36rem, calc(100vw - 2rem));
  max-height: calc(100vh - 2rem);
  max-height: calc(100dvh - 2rem);
  overflow-y: auto;
  overscroll-behavior: contain;
  box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.25);
}

dialog::backdrop { background: var(--backdrop); }

/* Single scroll container: the dialog itself scrolls, the inner
   article must not (two nested scrollers = two side-by-side scrollbars). */
dialog article {
  margin: 0;
  position: relative;
  max-height: none;
  overflow: visible;
}

dialog article > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

dialog article > header h2 {
  margin: 0;
  padding-right: 2rem;
}

dialog article > div,
dialog article > form,
dialog article > p,
dialog article > h3,
dialog article > ul {
  margin-inline: 1.25rem;
}
dialog article > p:first-of-type,
dialog article > h3:first-of-type,
dialog article > ul:first-of-type { margin-top: 1rem; }

dialog article > footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
  margin-top: 1.25rem;
  background: var(--stripe);
  border-bottom-left-radius: 0.5rem;
  border-bottom-right-radius: 0.5rem;
}

/* Plain text "x" close button (empty button in markup). */
button.dialog-close[rel="prev"] {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  width: 2rem;
  height: 2rem;
  padding: 0;
  line-height: 1;
  background: transparent;
  border-color: transparent;
  color: var(--muted);
  font-size: 1.25rem;
  font-weight: 700;
}
button.dialog-close[rel="prev"]::after { content: "×"; }
button.dialog-close[rel="prev"]:hover {
  background: var(--badge-bg);
  border-color: var(--border);
  color: var(--text);
}

/* ---------- Forms ---------- */

form { padding-bottom: 0.25rem; }

label {
  display: block;
  font-weight: 400;
  margin: 0.75rem 0;
}

input[type="text"],
input[type="email"],
input[type="number"],
select,
textarea {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  font: inherit;
  color: var(--text);
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius);
  padding: 0.375rem 0.75rem;
}

textarea {
  resize: vertical;
  min-height: 8rem;
}

input::placeholder,
textarea::placeholder { color: var(--muted); opacity: 1; }

input:focus,
select:focus,
textarea:focus {
  outline: 0;
  border-color: var(--primary);
  box-shadow: 0 0 0 0.25rem var(--focus-ring);
}

input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  margin-right: 0.5rem;
  vertical-align: middle;
  accent-color: var(--primary);
}

form button[type="submit"] { width: 100%; margin-top: 0.5rem; }
@media (min-width: 600px) {
  form button[type="submit"] { width: auto; }
}

/* ---------- Embed dialog ---------- */

.embed-snippet-wrap pre {
  margin: 0.5rem 0 0;
  padding: 0.75rem;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  white-space: pre;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--text);
  user-select: text;
}

.embed-snippet-wrap pre code {
  background: transparent;
  border: 0;
  padding: 0;
  font-size: inherit;
  white-space: pre;
}

#embed-copy-btn {
  margin-top: 0.5rem;
}

#embed-copy-status {
  display: inline-block;
  margin-top: 0.25rem;
}

.embed-lives-row {
  margin-top: 0.5rem;
}

.embed-lives-row label {
  margin: 0;
}

#embed-life-controls {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

#embed-life-controls .life-control {
  margin: 0;
}

.embed-styling h3 {
  margin: 1.5rem 0 0.5rem;
}

.embed-style-grid {
  display: grid;
  gap: 0.6rem;
  grid-template-columns: 1fr;
  margin-top: 0.25rem;
}

@media (min-width: 600px) {
  .embed-style-grid { grid-template-columns: 1fr 1fr; }
}

.embed-style-grid label {
  margin: 0;
  font-size: 0.9375rem;
}

.embed-style-grid label.embed-check {
  display: flex;
  align-items: center;
  align-self: end;
  padding-bottom: 0.375rem;
}

.embed-style-grid input[type="number"],
.embed-style-grid select {
  margin-top: 0.25rem;
}

/* ---------- History ---------- */

.history-tabs {
  display: flex;
  gap: 0.5rem;
  margin: 1rem 1.25rem 0.75rem;
}

.history-tabs [role="tab"] {
  font-size: 0.9375rem;
  padding: 0.4rem 0.8rem;
}

.history-tabs [role="tab"][aria-selected="true"] {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg);
}
.history-tabs [role="tab"][aria-selected="true"]:hover {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg);
}

.history-list {
  list-style: none;
  margin: 0 1.25rem;
  padding: 0;
}

.history-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  margin-bottom: 0.5rem;
  overflow: hidden;
}

.history-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.25rem 0.25rem 0.25rem 0.5rem;
}

.history-item-toggle {
  flex: 1;
  min-width: 0;
  background: transparent;
  border-color: transparent;
  color: var(--text);
  padding: 0.4rem;
  text-align: left;
  font-weight: 600;
}
.history-item-toggle:hover {
  background: transparent;
  border-color: transparent;
  color: var(--text);
  text-decoration: underline;
}

.history-item-sub {
  display: block;
  font-weight: 400;
  font-size: 0.875rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.history-item-details {
  border-top: 1px solid var(--border);
  font-size: 0.9375rem;
}
.history-item-details th,
.history-item-details td { padding: 0.45rem 0.75rem; }

.history-action {
  flex-shrink: 0;
  font-size: 0.875rem;
  padding: 0.25rem 0.6rem;
  margin-right: 0.75rem;
}
.history-action:disabled {
  opacity: 0.65;
  cursor: default;
}

.history-empty {
  color: var(--muted);
  margin: 0 1.25rem 1rem;
}

/* ---------- 404 ---------- */

main.container > h1:first-child { margin-top: 2rem; }

@media (min-width: 600px) {
  h1 { font-size: 2rem; }
  main.container { padding-top: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}