:root {
  --entry-paper: #fff;
  --entry-soft: #edf3f8;
  --entry-ink: #142238;
  --entry-ink-soft: #44546a;
  --entry-muted: #647084;
  --entry-blue: #2f6fa6;
  --entry-blue-deep: #214e78;
  --entry-blue-pale: #dceaf5;
  --entry-red: #c04a50;
  --entry-red-deep: #832e35;
  --entry-line: #d7e0e9;
  --entry-line-strong: #bdcad7;
  --entry-shadow: 0 14px 38px rgba(20, 34, 56, .09);
  --entry-radius: 18px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--entry-ink);
  background: var(--entry-paper);
  font-family: "Instrument Sans", system-ui, sans-serif;
  line-height: 1.55;
}

button,
input,
textarea { font: inherit; }

button,
a { -webkit-tap-highlight-color: transparent; }

a { color: var(--entry-blue-deep); }

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--entry-red);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: .75rem;
  left: .75rem;
  padding: .65rem 1rem;
  color: #fff;
  background: var(--entry-blue-deep);
  transform: translateY(-180%);
}

.skip-link:focus { transform: none; }

.entry-wrap {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.entry-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid var(--entry-line);
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(12px);
}

.header-row {
  min-height: 68px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.25rem;
}

.brand {
  color: var(--entry-ink);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-decoration: none;
}

.brand::after {
  content: "";
  display: block;
  width: 62px;
  height: 3px;
  margin-top: .28rem;
  background: linear-gradient(90deg, #315f84 0 68%, transparent 68% 77%, #a65a5f 77% 100%);
}

.header-title { color: var(--entry-muted); }

.countdown {
  color: var(--entry-blue-deep);
  font-size: .9rem;
  text-align: right;
}

main { padding-block: clamp(2.5rem, 6vw, 5.5rem) 8rem; }

.view { min-height: 65vh; }

.js .view:not(.is-active) { display: none; }

.eyebrow {
  margin: 0 0 .7rem;
  color: var(--entry-red-deep);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p { overflow-wrap: anywhere; }

h1,
h2 {
  margin: 0;
  font-family: "EB Garamond", Georgia, serif;
  font-weight: 650;
  line-height: 1.05;
}

h1 { max-width: 850px; font-size: clamp(2.35rem, 7vw, 5.5rem); }
h2 { font-size: clamp(1.65rem, 4vw, 2.6rem); }
h3 { margin: 0; font-size: 1.08rem; line-height: 1.3; }

.lead {
  max-width: 760px;
  margin: 1.2rem 0 2rem;
  color: var(--entry-ink-soft);
  font-family: "Newsreader", Georgia, serif;
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
}

.school-choice {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-block: 2.25rem;
}

.school-choice button {
  min-height: 132px;
  padding: 1.25rem;
  color: var(--entry-ink);
  text-align: left;
  border: 1px solid var(--entry-line-strong);
  border-radius: var(--entry-radius);
  background: var(--entry-paper);
  cursor: pointer;
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.school-choice button:hover,
.school-choice button[aria-pressed="true"] {
  border-color: var(--entry-blue);
  box-shadow: var(--entry-shadow);
  transform: translateY(-2px);
}

.school-choice button[aria-pressed="true"] { background: var(--entry-blue-pale); }
.school-choice strong,
.school-choice span { display: block; }
.school-choice strong { margin-bottom: .55rem; font-size: 1.08rem; }
.school-choice span { color: var(--entry-ink-soft); font-size: .9rem; }

.fact-box,
.calculation-note,
.result-panel,
.runtime-note {
  max-width: 820px;
  margin-block: 1.5rem;
  padding: 1rem 1.2rem;
  border-left: 4px solid var(--entry-red);
  background: var(--entry-soft);
}

.fact-box p { margin: .3rem 0 0; }

.primary-action,
.assessment-card button,
.exam-grid button,
.point-actions button,
.writing-picker button,
.writing-studio button {
  min-height: 44px;
  padding: .72rem 1.05rem;
  color: #fff;
  font-weight: 750;
  border: 1px solid var(--entry-blue-deep);
  border-radius: 10px;
  background: var(--entry-blue-deep);
  cursor: pointer;
}

.primary-action { margin: .5rem .75rem .5rem 0; }

.text-action {
  min-height: 44px;
  padding: .65rem .2rem;
  color: var(--entry-blue-deep);
  font-weight: 750;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.view-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.source-line {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .65rem 1.5rem;
  margin: 1.5rem 0 2rem;
  padding-block: .8rem;
  border-block: 1px solid var(--entry-line);
  color: var(--entry-muted);
  font-size: .9rem;
}

.source-note { max-width: 820px; color: var(--entry-ink-soft); }

.module-list { display: grid; gap: 1rem; }

.module-card {
  border: 1px solid var(--entry-line);
  border-radius: var(--entry-radius);
  background: var(--entry-paper);
  overflow: clip;
}

.module-card[open] { box-shadow: var(--entry-shadow); }

.module-card > summary {
  min-height: 78px;
  display: grid;
  grid-template-columns: 42px 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  list-style: none;
  cursor: pointer;
}

.module-card > summary::-webkit-details-marker { display: none; }
.module-card > summary small { display: block; margin-top: .25rem; color: var(--entry-muted); font-weight: 500; }
.module-card > summary b { color: var(--entry-blue-deep); white-space: nowrap; }

.module-number,
.point-number,
.language-axis > span {
  display: grid;
  width: 38px;
  min-width: 38px;
  height: 38px;
  place-items: center;
  color: #fff;
  font-weight: 800;
  border-radius: 50%;
  background: var(--entry-blue-deep);
}

.module-points { border-top: 1px solid var(--entry-line); }

.syllabus-point { padding: 1.25rem; border-bottom: 1px solid var(--entry-line); }
.syllabus-point:last-child { border-bottom: 0; }
.syllabus-point[data-state="firme"] { border-left: 4px solid var(--entry-blue-deep); }
.syllabus-point[data-state="flojo"] { border-left: 4px solid var(--entry-red); }

.point-heading {
  display: grid;
  grid-template-columns: 38px 1fr auto;
  align-items: center;
  gap: .9rem;
}

.point-status { margin: .2rem 0 0; color: var(--entry-muted); font-size: .86rem; }

.state-control {
  width: 44px;
  height: 44px;
  color: var(--entry-blue-deep);
  font-size: 1.35rem;
  border: 1px solid var(--entry-line-strong);
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
}

.state-control:disabled { color: #fff; border-color: var(--entry-blue-deep); background: var(--entry-blue-deep); cursor: default; }

.unit-links { margin: 1rem 0; padding: 0; list-style: none; }
.unit-links li + li { margin-top: .5rem; }
.unit-links a { display: grid; grid-template-columns: 1fr auto; gap: 1rem; text-decoration: none; }
.unit-links span { color: var(--entry-muted); font-size: .86rem; }

.point-actions { display: flex; flex-wrap: wrap; gap: .65rem; }
.point-actions a,
.point-actions button { min-height: 44px; padding: .65rem .9rem; border-radius: 9px; }
.point-actions a { display: inline-flex; align-items: center; border: 1px solid var(--entry-line-strong); text-decoration: none; }
.point-actions button { color: var(--entry-blue-deep); border-color: var(--entry-blue); background: #fff; }

.practice-panel { margin-top: 1rem; padding: 1rem; border: 1px solid var(--entry-blue); border-radius: 12px; background: var(--entry-soft); }

.outside-route { margin: 1.5rem 0 3rem; color: var(--entry-muted); font-size: .9rem; }
.outside-route p { margin: .2rem 0; }

.section-divider { display: flex; align-items: center; gap: 1rem; margin: 3rem 0 1rem; color: var(--entry-red-deep); font-weight: 800; }
.section-divider::after { content: ""; height: 1px; flex: 1; background: var(--entry-line); }

.language-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem; margin-block: 1.5rem; }
.language-axis { display: flex; align-items: center; gap: .9rem; padding: 1rem; border: 1px solid var(--entry-line); border-radius: 12px; }
.language-axis p { margin: .25rem 0 0; color: var(--entry-muted); font-size: .88rem; }
.language-axis[hidden] { display: none; }

.general-route { display: inline-block; margin-block: 1.5rem; font-weight: 750; }

.minutes-choice {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin: 1.5rem 0;
  padding: 0;
  border: 0;
}

.minutes-choice legend { width: 100%; margin-bottom: .4rem; font-weight: 800; }
.minutes-choice label { min-width: 68px; padding: .65rem .85rem; border: 1px solid var(--entry-line-strong); border-radius: 9px; cursor: pointer; }
.minutes-choice label:has(input:checked) { border-color: var(--entry-blue); background: var(--entry-blue-pale); }

.calendar-list { max-width: 850px; margin: 1.5rem 0; padding: 0; list-style: none; }
.calendar-list li { display: grid; grid-template-columns: 110px 1fr auto; gap: 1rem; padding: .9rem 0; border-bottom: 1px solid var(--entry-line); }
.calendar-list li.is-today { margin-inline: -.75rem; padding-inline: .75rem; border-left: 4px solid var(--entry-red); background: var(--entry-soft); }
.calendar-list time { font-weight: 800; }
.calendar-list span { color: var(--entry-muted); }

.assessment-card {
  max-width: 820px;
  margin-block: 1.5rem;
  padding: clamp(1rem, 4vw, 2rem);
  border: 1px solid var(--entry-line);
  border-radius: var(--entry-radius);
  box-shadow: var(--entry-shadow);
}

.assessment-card fieldset { margin: 1.2rem 0; padding: 0; border: 0; }
.assessment-card label { display: block; margin: .55rem 0; padding: .65rem; border: 1px solid var(--entry-line); border-radius: 8px; }
.assessment-card input[type="text"],
.assessment-card input[type="number"],
.writing-studio textarea {
  width: 100%;
  padding: .85rem;
  color: var(--entry-ink);
  border: 1px solid var(--entry-line-strong);
  border-radius: 9px;
  background: #fff;
}

.assessment-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1rem; }
.assessment-actions .secondary { color: var(--entry-blue-deep); background: #fff; }

.result-columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.result-columns section { padding: .9rem; border: 1px solid var(--entry-line); border-radius: 10px; background: #fff; }
.result-columns h3 { color: var(--entry-blue-deep); }
.result-columns ul { margin-bottom: 0; padding-left: 1.2rem; }
.result-counts { font-weight: 800; }
.result-bar { display: flex; width: 100%; height: 14px; margin: .8rem 0 1.4rem; border: 1px solid var(--entry-line-strong); border-radius: 999px; overflow: hidden; }
.result-bar span { min-width: 0; }
.result-bar-firme { background: var(--entry-blue-deep); }
.result-bar-flojo { background: var(--entry-red); }
.result-bar-sin_trabajar { background: var(--entry-line-strong); }

.exam-grid,
.writing-picker { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-block: 2rem; }
.exam-grid article,
.writing-picker article { padding: 1.25rem; border: 1px solid var(--entry-line); border-radius: var(--entry-radius); }
.exam-grid article > span { color: var(--entry-red-deep); font-size: .78rem; font-weight: 800; text-transform: uppercase; }
.exam-grid h2 { margin-block: .35rem; font-family: inherit; font-size: 1.15rem; }
.exam-grid p { color: var(--entry-ink-soft); }

.writing-picker button { margin-top: .5rem; }
.writing-studio { max-width: 920px; }
.writing-studio > section { margin-block: 1rem; padding: 1.25rem; border: 1px solid var(--entry-line); border-radius: var(--entry-radius); }
.writing-studio textarea { min-height: 230px; resize: vertical; }
.writing-studio textarea[readonly] { background: var(--entry-soft); }
.line-count { color: var(--entry-muted); text-align: right; }
.rubric-list { padding: 0; }
.rubric-list fieldset { margin: .7rem 0; padding: .85rem; border: 1px solid var(--entry-line); border-radius: 10px; }
.rubric-list legend { padding-inline: .3rem; font-weight: 800; }
.rubric-list label { display: inline-flex; grid-template-columns: none; gap: .4rem; margin: .6rem .8rem 0 0; padding: .45rem .65rem; }
.rubric-list small { display: block; color: var(--entry-muted); }
.model-grid,
.version-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.model-grid article,
.version-grid article { padding: 1rem; border: 1px solid var(--entry-line); border-radius: 10px; }
.model-grid ol { padding-left: 1.4rem; }
.version-grid pre { margin: .5rem 0 0; white-space: pre-wrap; font: inherit; }

.entry-nav {
  position: fixed;
  z-index: 30;
  right: 50%;
  bottom: max(.8rem, env(safe-area-inset-bottom));
  display: flex;
  gap: .15rem;
  max-width: calc(100% - 1rem);
  padding: .38rem;
  border: 1px solid var(--entry-line-strong);
  border-radius: 14px;
  background: rgba(255, 255, 255, .97);
  box-shadow: var(--entry-shadow);
  transform: translateX(50%);
}

.entry-nav button {
  min-height: 44px;
  padding: .55rem .8rem;
  color: var(--entry-ink-soft);
  font-size: .78rem;
  font-weight: 750;
  border: 0;
  border-radius: 9px;
  background: transparent;
  cursor: pointer;
}

.entry-nav button[aria-current="page"] { color: #fff; background: var(--entry-blue-deep); }

.choice-view:not(.is-active) ~ .entry-nav { display: none; }

@media (max-width: 760px) {
  .header-row { grid-template-columns: 1fr auto; gap: .5rem; }
  .header-title { display: none; }
  .countdown { font-size: .78rem; }
  .school-choice,
  .language-grid,
  .exam-grid,
  .writing-picker,
  .result-columns,
  .model-grid,
  .version-grid { grid-template-columns: 1fr; }
  .view-heading { display: block; }
  .module-card > summary { grid-template-columns: 38px 1fr; }
  .module-card > summary b { grid-column: 2; }
  .point-heading { align-items: start; }
  .unit-links a { grid-template-columns: 1fr; gap: .1rem; }
  .calendar-list li { grid-template-columns: 90px 1fr; }
  .calendar-list li span { grid-column: 2; }
  .entry-nav { width: calc(100% - 1rem); overflow-x: auto; justify-content: flex-start; }
  .entry-nav button { flex: 0 0 auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

@media print {
  .entry-header,
  .entry-nav,
  button { display: none !important; }
  .js .view { display: block !important; min-height: auto; break-before: page; }
  .module-card:not([open]) > *:not(summary) { display: block; }
}