/* Fondos y colores principales: cambia estas variables para personalizar la vitrina. */
:root {
  --page-bg: #eef4f3;
  --hero-bg: #e4f0ed;
  --surface: #ffffff;
  --surface-soft: #f7faf9;
  --text: #1f2d34;
  --muted: #5d6d75;
  --line: #d9e3e0;
  --accent: #2c7667;
  --accent-dark: #235d53;
  --accent-blue: #315f8a;
  --accent-warm: #b86b4b;
  --locked: #8a9398;
  --shadow: 0 18px 45px rgba(31, 45, 52, 0.1);
  --radius: 8px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--page-bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

.text-justify,
.rich-text,
.module-description,
.hero-copy p:not(.eyebrow),
.module-heading p:not(.module-number):not(.score-note),
.info-panel p,
.info-panel li,
.stage-card > p,
.stage-detail-section p,
.stage-detail-section li,
.stage-detail-aside p,
.learning-resource p,
.notice,
.site-footer p,
.guide-popover-text {
  hyphens: auto;
  text-align: justify;
  text-align-last: left;
  text-justify: inter-word;
}

.auth-pending .hero,
.auth-pending .page-shell,
.auth-pending .site-footer,
.access-required .hero,
.access-required .page-shell,
.access-required .site-footer {
  display: none;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
p,
li,
button {
  overflow-wrap: break-word;
}

.hero {
  background: var(--hero-bg);
  border-bottom: 1px solid var(--line);
}

.topbar {
  align-items: center;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: var(--max-width);
  padding: 20px;
}

.brand {
  align-items: center;
  display: inline-flex;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  align-items: center;
  background: var(--accent);
  border-radius: 8px;
  color: #ffffff;
  display: inline-flex;
  font-weight: 800;
  height: 42px;
  justify-content: center;
  width: 42px;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: -2px;
}

.access-screen {
  align-items: center;
  background: var(--page-bg);
  display: grid;
  min-height: 100vh;
  padding: 24px;
}

.access-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: grid;
  gap: 18px;
  margin: 0 auto;
  max-width: 460px;
  padding: clamp(20px, 5vw, 34px);
  width: 100%;
}

.access-heading h1 {
  font-size: clamp(2rem, 8vw, 3rem);
  line-height: 1.05;
  margin: 0;
}

.access-tabs {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  gap: 6px;
  grid-template-columns: 1fr 1fr;
  padding: 6px;
}

.access-tab {
  background: transparent;
  border: 0;
  border-radius: 5px;
  color: var(--muted);
  font-weight: 800;
  min-height: 42px;
}

.access-tab.is-active {
  background: var(--surface);
  box-shadow: 0 6px 16px rgba(31, 45, 52, 0.08);
  color: var(--accent-dark);
}

.guide-launch-button {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--accent-blue);
  font-size: 0.9rem;
  font-weight: 800;
  min-height: 38px;
  padding: 7px 14px;
  justify-self: start;
}

.guide-launch-button:hover,
.guide-launch-button:focus-visible {
  background: #edf5fb;
  outline: 3px solid rgba(49, 95, 138, 0.14);
}

.access-form {
  display: grid;
  gap: 13px;
}

.access-form label {
  color: var(--text);
  display: grid;
  font-weight: 800;
  gap: 7px;
}

.access-form input {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  min-height: 44px;
  padding: 10px 12px;
}

.access-form input:focus {
  border-color: var(--accent-blue);
  outline: 3px solid rgba(49, 95, 138, 0.14);
}

.field-help {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.35;
}

.access-message {
  color: #6a3f2c;
  font-size: 0.9rem;
  margin: 0;
}

.session-widget {
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
  padding: 8px;
}

.session-widget span {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.hero-grid {
  align-items: center;
  display: grid;
  gap: 38px;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  margin: 0 auto;
  max-width: var(--max-width);
  padding: 30px 20px 36px;
}

.hero-copy {
  min-width: 0;
}

.eyebrow {
  color: var(--accent-blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 10px;
  text-transform: uppercase;
}

.hero-copy h1 {
  font-size: clamp(2.25rem, 6vw, 4.7rem);
  line-height: 1.02;
  margin: 0;
  max-width: 780px;
}

.hero-copy p:not(.eyebrow) {
  color: var(--muted);
  font-size: 1.08rem;
  margin: 18px 0 0;
  max-width: 670px;
}

.brain-figure {
  margin: 0;
  min-width: 0;
}

.brain-figure img {
  display: block;
  height: auto;
  max-width: 100%;
  width: 100%;
}

.brain-figure figcaption {
  color: var(--muted);
  font-size: 0.86rem;
  margin-top: 10px;
  text-align: center;
}

.brain-figure code {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 2px 5px;
}

.info-area {
  margin: 0 auto;
  max-width: var(--max-width);
  padding: 0 20px 34px;
}

.section-heading,
.module-heading {
  margin-bottom: 18px;
}

.section-heading h2,
.module-heading h2 {
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  line-height: 1.15;
  margin: 0;
}

.module-heading p:not(.module-number):not(.score-note) {
  color: var(--muted);
  margin: 10px 0 0;
  max-width: 780px;
}

.info-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.info-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 28px rgba(31, 45, 52, 0.06);
  overflow: hidden;
}

.info-toggle {
  align-items: center;
  background: transparent;
  border: 0;
  color: var(--text);
  display: flex;
  gap: 12px;
  justify-content: space-between;
  min-height: 70px;
  padding: 16px;
  text-align: left;
  width: 100%;
}

.info-toggle strong {
  display: block;
  line-height: 1.25;
}

.info-toggle span {
  color: var(--muted);
  display: block;
  font-size: 0.86rem;
  margin-top: 4px;
}

.toggle-symbol {
  align-items: center;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--accent);
  display: inline-flex;
  flex: 0 0 auto;
  font-weight: 800;
  height: 28px;
  justify-content: center;
  width: 28px;
}

.info-toggle .toggle-symbol {
  color: var(--accent);
  display: inline-flex;
  font-size: 0.95rem;
  margin-top: 0;
}

.info-panel {
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 0 16px 16px;
}

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

.page-shell {
  margin: 0 auto;
  max-width: var(--max-width);
  padding: 34px 20px 48px;
}

.stage-page-active .hero,
.stage-page-active #diagnostico,
.stage-page-active #foro,
.diagnosis-page-active .hero,
.diagnosis-page-active #ruta,
.diagnosis-page-active #foro,
.stage-page-active .site-footer {
  display: none;
}

.diagnosis-page-active .site-footer {
  display: none;
}

.stage-page-active .page-shell,
.diagnosis-page-active .page-shell {
  max-width: none;
  padding: 0;
}

.module-block {
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 24px;
  padding: clamp(20px, 4vw, 34px);
}

.module-number {
  color: var(--accent-warm);
  font-size: 0.78rem;
  font-weight: 800;
  margin: 0 0 8px;
  text-transform: uppercase;
}

.diagnosis-summary-shell {
  display: block;
}

.diagnosis-summary-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  gap: 14px;
  max-width: 860px;
  padding: 18px;
}

.diagnosis-summary-card .stage-actions {
  align-items: start;
  display: flex;
  flex-wrap: wrap;
}

.diagnosis-summary-card .primary-button {
  min-width: min(100%, 260px);
}

.diagnosis-layout {
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
}

.diagnosis-layout h3 {
  margin: 0 0 12px;
}

.question-list {
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.question-list li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent-blue);
  border-radius: var(--radius);
  padding: 12px 14px;
}

.action-panel {
  align-content: start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  gap: 12px;
  padding: 16px;
}

.primary-button,
.secondary-button,
.ghost-button {
  align-items: center;
  border-radius: 6px;
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.primary-button {
  background: var(--accent);
  border: 1px solid var(--accent);
  color: #ffffff;
}

.primary-button:hover,
.primary-button:focus-visible {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

.secondary-button {
  background: var(--surface);
  border: 1px solid var(--accent-blue);
  color: var(--accent-blue);
}

.secondary-button:hover,
.secondary-button:focus-visible {
  background: #edf5fb;
}

.ghost-button {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
}

.primary-button:active,
.secondary-button:active,
.ghost-button:active {
  transform: translateY(1px);
}

.helper-text {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
}

.result-box,
.notice,
.feedback-box,
.sync-notice {
  background: #fff8ef;
  border: 1px solid #ead1bd;
  border-radius: var(--radius);
  color: #6a3f2c;
  padding: 12px 14px;
}

.sync-notice {
  margin: 0 auto 18px;
  max-width: var(--max-width);
}

.result-box strong,
.notice strong,
.feedback-box strong {
  display: block;
  margin-bottom: 4px;
}

.inline-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  gap: 18px;
  margin-top: 22px;
  padding: 18px;
}

.diagnosis-detail-view .inline-form {
  margin-top: 0;
}

.form-question {
  border: 0;
  margin: 0;
  padding: 0;
}

.form-question legend {
  font-weight: 800;
  margin-bottom: 10px;
}

.option-stack {
  display: grid;
  gap: 8px;
}

.option-stack label {
  align-items: flex-start;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  display: flex;
  gap: 9px;
  padding: 10px;
}

.score-note {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--accent-dark);
  display: inline-flex;
  font-size: 0.9rem;
  font-weight: 800;
  margin: 14px 0 0;
  padding: 6px 12px;
}

.stage-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stage-card {
  align-content: start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  gap: 14px;
  min-height: 100%;
  padding: 16px;
}

.stage-card.is-locked {
  background: #f0f3f3;
  color: var(--locked);
}

.stage-head {
  align-items: start;
  display: flex;
  gap: 12px;
}

.stage-letter {
  align-items: center;
  background: var(--accent-blue);
  border-radius: 8px;
  color: #ffffff;
  display: inline-flex;
  flex: 0 0 auto;
  font-weight: 900;
  height: 38px;
  justify-content: center;
  width: 38px;
}

.stage-card.is-complete .stage-letter {
  background: var(--accent);
}

.stage-card.is-locked .stage-letter {
  background: var(--locked);
}

.stage-head h3 {
  font-size: 1.05rem;
  line-height: 1.25;
  margin: 0;
}

.stage-status {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  margin: 3px 0 0;
  text-transform: uppercase;
}

.stage-card p {
  color: var(--muted);
  margin: 0;
}

.material-panel,
.evaluation-panel {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
}

.material-panel[hidden],
.evaluation-panel[hidden] {
  display: none;
}

.material-panel ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

.stage-actions {
  display: grid;
  gap: 8px;
  margin-top: auto;
}

.stage-actions button {
  width: 100%;
}

.stage-card button:disabled {
  background: #e6e9ea;
  border-color: #d1d8d8;
  color: var(--locked);
}

.is-stage-view {
  background: var(--page-bg);
  border: 0;
  border-radius: 0;
  margin: 0;
  min-height: calc(100vh - 48px);
  padding: clamp(18px, 4vw, 42px);
}

.is-stage-view > .module-heading {
  display: none;
}

.stage-detail-shell {
  display: block;
}

.stage-detail-view {
  display: grid;
  gap: 20px;
  margin: 0 auto;
  max-width: var(--max-width);
  min-width: 0;
  width: 100%;
}

.stage-detail-header {
  align-items: start;
  display: grid;
  gap: 16px;
}

.stage-back-button {
  justify-self: start;
}

.stage-detail-header h2 {
  font-size: clamp(2rem, 5vw, 3.8rem);
  line-height: 1.05;
  margin: 0;
}

.stage-detail-content {
  align-items: start;
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 300px);
  min-width: 0;
}

.stage-detail-main {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.stage-detail-section,
.stage-detail-aside {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
  padding: 18px;
}

.stage-detail-section h3 {
  font-size: 1.1rem;
  margin: 0 0 10px;
}

.stage-detail-section p,
.stage-detail-aside p {
  color: var(--muted);
  margin: 0;
}

.stage-detail-aside {
  display: grid;
  gap: 10px;
  position: sticky;
  top: 18px;
}

.stage-material-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 20px;
}

.learning-resource {
  background: var(--surface-soft);
  border: 1px dashed var(--accent-blue);
  border-radius: var(--radius);
  display: grid;
  gap: 8px;
  min-height: 180px;
  min-width: 0;
  padding: 16px;
}

.evaluation-form {
  display: grid;
  gap: 16px;
}

.forum-block {
  margin-bottom: 0;
}

.forum-form {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.forum-identity {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  font-weight: 800;
  margin: 0;
  padding: 10px 12px;
}

.forum-form label {
  color: var(--text);
  display: grid;
  font-weight: 800;
  gap: 7px;
}

.forum-form input,
.forum-form textarea {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  min-height: 44px;
  padding: 10px 12px;
  resize: vertical;
}

.forum-form input:focus,
.forum-form textarea:focus {
  border-color: var(--accent-blue);
  outline: 3px solid rgba(49, 95, 138, 0.14);
}

.comment-list {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.comment-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
}

.comment-card header {
  align-items: baseline;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: space-between;
  margin-bottom: 8px;
}

.comment-card strong {
  color: var(--accent-dark);
}

.comment-card time {
  color: var(--muted);
  font-size: 0.86rem;
}

.comment-card p {
  margin: 0;
}

.empty-state {
  color: var(--muted);
  margin: 0;
}

.site-footer {
  color: var(--muted);
  display: grid;
  gap: 12px;
  justify-items: center;
  padding: 24px 20px 34px;
  text-align: center;
}

.guide-popover {
  background: #ffffff;
  border: 1px solid var(--accent-blue);
  border-radius: var(--radius);
  box-shadow: 0 22px 55px rgba(31, 45, 52, 0.2);
  color: var(--text);
  display: grid;
  gap: 14px;
  max-width: min(420px, calc(100vw - 28px));
  padding: 16px;
  position: fixed;
  z-index: 50;
}

.guide-popover[hidden] {
  display: none;
}

.guide-popover-text {
  color: var(--muted);
  margin: 0;
}

.guide-popover-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.guide-target-highlight {
  outline: 3px solid rgba(49, 95, 138, 0.45);
  outline-offset: 6px;
  position: relative;
  z-index: 3;
}

.dev-reset-button {
  background: #fff8ef;
  border: 1px dashed var(--accent-warm);
  border-radius: 6px;
  color: #6a3f2c;
  font-size: 0.9rem;
  font-weight: 800;
  min-height: 40px;
  padding: 8px 14px;
}

.dev-reset-button:hover,
.dev-reset-button:focus-visible {
  background: #ffefdf;
  outline: 3px solid rgba(184, 107, 75, 0.18);
}

.access-card .dev-reset-button {
  justify-self: center;
}

@media (max-width: 980px) {
  .hero-grid,
  .diagnosis-layout {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    padding-top: 16px;
  }

  .brain-figure {
    margin: 0 auto;
    max-width: 640px;
  }

  .info-grid,
  .stage-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .session-widget {
    justify-content: stretch;
    width: 100%;
  }

  .session-widget .ghost-button {
    width: 100%;
  }

  .hero-copy h1 {
    font-size: 2.08rem;
    line-height: 1.08;
    overflow-wrap: break-word;
  }

  .info-grid,
  .stage-grid {
    grid-template-columns: 1fr;
  }

  .module-block {
    padding: 18px;
  }

  .score-note {
    border-radius: var(--radius);
  }

  .stage-page-active .page-shell,
  .diagnosis-page-active .page-shell,
  .stage-page-active #ruta,
  .diagnosis-page-active #diagnostico,
  .stage-detail-shell,
  .stage-detail-view,
  .stage-detail-content,
  .stage-detail-main {
    max-width: 100%;
    overflow-x: hidden;
    width: 100%;
  }

  .stage-page-active #ruta,
  .diagnosis-page-active #diagnostico {
    max-width: 100vw;
    width: 100vw;
  }

  .stage-detail-view,
  .stage-detail-section,
  .stage-detail-aside {
    max-width: calc(100vw - 24px);
  }

  .stage-detail-view {
    width: calc(100vw - 24px);
  }

  .stage-detail-section,
  .stage-detail-aside,
  .learning-resource,
  .option-stack label {
    max-width: 100%;
    width: 100%;
  }

  .stage-page-active h2,
  .stage-page-active h3,
  .stage-page-active p,
  .stage-page-active strong,
  .stage-page-active li,
  .diagnosis-page-active h2,
  .diagnosis-page-active h3,
  .diagnosis-page-active p,
  .diagnosis-page-active strong,
  .diagnosis-page-active li {
    overflow-wrap: anywhere;
  }

  .is-stage-view {
    padding-left: 12px;
    padding-right: 12px;
  }

  .stage-detail-content {
    grid-template-columns: 1fr;
  }

  .stage-detail-header h2 {
    font-size: 2.1rem;
  }

  .stage-back-button {
    width: 100%;
  }

  .stage-detail-aside {
    order: -1;
    position: static;
  }

  .stage-detail-section,
  .stage-detail-aside {
    padding: 16px;
  }

  .learning-resource {
    min-height: 140px;
  }

  .guide-popover {
    max-height: 52vh;
    overflow-y: auto;
  }

  .guide-popover-actions {
    display: grid;
    grid-template-columns: 1fr;
  }
}