:root {
  color-scheme: light dark;
  --bg: #f5f6f8;
  --surface: #ffffff;
  --border: #dfe3e8;
  --text: #17202a;
  --muted: #5b6673;
  --accent: #1d4ed8;
  --accent-text: #ffffff;
  --track: #e6e9ee;
  --bar: #8b98a9;
  --ok: #0a7a3d;
  --ok-bg: #e7f6ed;
  --warn: #8a4b00;
  --warn-bg: #fdf1dd;
  --danger: #b3261e;
  --danger-bg: #fdecea;
  font-family:
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
  line-height: 1.5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216;
    --surface: #181c22;
    --border: #2b323b;
    --text: #edf0f3;
    --muted: #9aa5b1;
    --accent: #7ba3ff;
    --accent-text: #0b1220;
    --track: #2a3038;
    --bar: #66727f;
    --ok: #57d08f;
    --ok-bg: #12291d;
    --warn: #f2bd6b;
    --warn-bg: #2e2312;
    --danger: #ff8f87;
    --danger-bg: #331816;
  }
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  overflow-wrap: anywhere;
}

h1,
h2,
p,
ol,
ul,
dl,
dd {
  margin: 0;
}

h1 {
  font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2.125rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 1.0625rem;
  line-height: 1.3;
}

a {
  color: var(--accent);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.875em;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Barra superior */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand {
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted);
}

.dot {
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 50%;
  background: var(--warn);
}

.pill[data-state='online'] {
  color: var(--ok);
}

.pill[data-state='online'] .dot {
  background: var(--ok);
}

/* Estructura */
.page {
  display: grid;
  gap: 1rem;
  width: 100%;
  max-width: 62rem;
  margin: 0 auto;
  padding: 1rem 16px 2rem;
}

.page-narrow {
  max-width: 40rem;
}

.page-head {
  display: grid;
  gap: 0.75rem;
}

.columns {
  display: grid;
  gap: 1rem;
  align-items: start;
}

.card {
  display: grid;
  gap: 0.875rem;
  min-width: 0;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

#session {
  display: grid;
  gap: 1rem;
}

#session[hidden] {
  display: none;
}

@media (min-width: 48rem) {
  .page-head {
    grid-template-columns: 1fr auto;
    align-items: end;
  }

  .columns {
    grid-template-columns: 3fr 2fr;
  }

  .card {
    padding: 1.25rem;
  }
}

.notice,
.hint,
.label {
  color: var(--muted);
  font-size: 0.875rem;
}

.empty {
  color: var(--muted);
}

[hidden] {
  display: none !important;
}

.alert {
  padding: 0.75rem;
  background: var(--danger-bg);
  color: var(--danger);
  border-radius: 6px;
  font-weight: 600;
}

/* Selectores */
.scope {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  min-width: 0;
}

label {
  display: grid;
  gap: 0.25rem;
  min-width: 0;
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
}

input,
select,
button {
  font: inherit;
  min-height: 2.75rem;
}

input,
select {
  width: 100%;
  padding: 0.5rem 0.625rem;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
}

select:disabled {
  opacity: 0.6;
}

@media (min-width: 48rem) {
  .scope select {
    min-width: 12rem;
  }
}

/* Avance */
.progress-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
}

.figure {
  font-size: clamp(2rem, 1.5rem + 2vw, 2.75rem);
  font-weight: 700;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.progress-count {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.bar {
  height: 0.5rem;
  overflow: hidden;
  background: var(--track);
  border-radius: 4px;
}

.bar-fill {
  height: 100%;
  background: var(--bar);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 300ms ease-out;
}

#progress-fill,
.is-leader .bar-fill {
  background: var(--accent);
}

@media (prefers-reduced-motion: reduce) {
  .bar-fill {
    transition: none;
  }
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: 0.75rem;
}

.stats dt {
  color: var(--muted);
  font-size: 0.8125rem;
}

.stats dd {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.stats-compact {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding-top: 0.875rem;
  border-top: 1px solid var(--border);
}

/* Candidatos */
.ranking {
  display: grid;
  gap: 1rem;
  padding: 0;
  list-style: none;
}

.candidate {
  display: grid;
  gap: 0.25rem;
}

.candidate-line {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-weight: 600;
}

.candidate-share,
.candidate-votes {
  font-variant-numeric: tabular-nums;
}

.candidate-votes {
  color: var(--muted);
  font-size: 0.875rem;
}

/* Correcciones */
.corrections,
.items {
  display: grid;
  gap: 0.75rem;
  padding: 0;
  list-style: none;
}

.corrections li {
  display: grid;
  gap: 0.125rem;
  padding-left: 0.75rem;
  border-left: 3px solid var(--warn);
  font-size: 0.9375rem;
}

.corrections time {
  color: var(--muted);
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
}

/* Pie */
.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.25rem;
  padding: 0 16px 2rem;
  color: var(--muted);
  font-size: 0.875rem;
}

/* Formularios */
.form {
  gap: 1rem;
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

legend {
  margin-bottom: 0.5rem;
  padding: 0;
  font-weight: 600;
}

.field-row,
.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

@media (min-width: 30rem) {
  .field-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

#mesa-location[data-valid='true'] {
  color: var(--text);
  font-weight: 600;
}

.totals {
  display: grid;
  gap: 0.125rem;
  padding: 0.75rem;
  background: var(--bg);
  border-radius: 6px;
  font-size: 0.9375rem;
}

.totals[data-state='ok'] {
  background: var(--ok-bg);
  color: var(--ok);
}

.totals[data-state='warn'] {
  background: var(--warn-bg);
  color: var(--warn);
}

button {
  cursor: pointer;
}

.primary {
  width: 100%;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--accent-text);
  border: 0;
  border-radius: 6px;
  font-weight: 600;
}

.link {
  min-height: 2.75rem;
  padding: 0 0.25rem;
  background: none;
  border: 0;
  color: var(--accent);
  text-decoration: underline;
}

.session-line,
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.badge {
  padding: 0.125rem 0.625rem;
  background: var(--warn-bg);
  color: var(--warn);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
}

.item {
  display: grid;
  gap: 0.125rem;
  padding: 0.75rem;
  background: var(--bg);
  border-left: 3px solid var(--warn);
  border-radius: 4px;
}

.item-title {
  font-weight: 600;
}

.item-message {
  font-size: 0.9375rem;
}

.item[data-state='pending'] .item-message {
  color: var(--warn);
  font-weight: 600;
}

.item[data-state='done'] {
  border-left-color: var(--ok);
}

.item[data-state='rejected'] {
  border-left-color: var(--danger);
}

.item[data-state='rejected'] .item-message {
  color: var(--danger);
}

/* Explicación */
.prose {
  gap: 1.25rem;
  line-height: 1.6;
}

.lead {
  font-size: 1.125rem;
}

.prose h2 {
  margin-top: 0.75rem;
  font-size: 1.25rem;
}

.prose ul,
.steps {
  display: grid;
  gap: 0.625rem;
  padding-left: 1.25rem;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

th,
td {
  padding: 0.5rem 0.75rem 0.5rem 0;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--muted);
  font-weight: 600;
}