:root {
  --ink: #0D2B45;
  --muted: #526e80;
  --paper: #EDE6DD;
  --white: #F8F5F0;
  --line: #C8BBA7;
  --green: #477699;
  --deep: #0D2B45;
  --mint: #E1E8EA;
  --red: #F26D6D;
  --blue: #8FADD9;
  --functional-green: #7FB89A;
  --sand: #C8BBA7;
  --sand-light: #DDD3C6;
  --cream: #EDE6DD;
  --surface: #F8F5F0;
  --surface-raised: #F3EDE5;
  --border: var(--line);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
}

.brand-mark { background: var(--ink); }
.brand-light { color: var(--muted); }
.topbar { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; height: 76px; background: var(--paper); }
.emergency-nav {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  border: 1px solid color-mix(in srgb, #F26D6D 85%, transparent);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, #F26D6D 24%, var(--surface));
  color: var(--ink);
  padding: 10px 15px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.emergency-nav span { flex: none; width: 8px; height: 8px; margin-right: 9px; border-radius: 50%; background: var(--red); }
.emergency-nav:hover { background: color-mix(in srgb, #F26D6D 34%, var(--surface)); }
.state-dot.green { background: var(--functional-green); }

.home-page { max-width: 1020px; margin: 0 auto; padding: clamp(42px, 8vw, 92px) 0 56px; }
.home-intro { margin-bottom: clamp(28px, 5vw, 48px); }
.home-intro h1 { max-width: 740px; margin: 15px 0 10px; font: 500 clamp(38px, 7vw, 66px)/1.08 var(--serif); letter-spacing: -2px; color: var(--ink); }
.home-intro p { margin: 0; color: var(--muted); font-size: clamp(14px, 1.7vw, 17px); line-height: 1.65; }
.home-primary-actions { display: grid; grid-template-columns: 1.15fr .85fr; gap: 16px; }
.home-action { min-height: 190px; display: flex; flex-direction: column; justify-content: space-between; align-items: flex-start; text-align: left; padding: clamp(22px, 4vw, 36px); border: 1px solid var(--line); border-radius: var(--radius-md); color: var(--ink); transition: border-color .18s, transform .18s, background .18s; }
.home-action:hover { transform: translateY(-2px); border-color: var(--ink); }
.home-action-primary { background: var(--ink); color: var(--white); border-color: var(--ink); }
.home-action-primary:hover { background: #163D5B; border-color: #163D5B; }
.home-action-training { background: var(--sand-light); }
.home-action-training:hover { background: var(--sand); }
.home-action-label { display: flex; align-items: center; justify-content: space-between; width: 100%; gap: 14px; font: 700 12px 'Manrope', sans-serif; letter-spacing: 1.15px; }
.home-action-label b { font-size: 20px; font-weight: 400; }
.home-action>span:last-child { max-width: 300px; font-size: 14px; line-height: 1.55; opacity: .88; }
.home-secondary { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 24px 0 42px; }
.home-secondary button { display: flex; justify-content: space-between; align-items: center; min-height: 58px; padding: 12px 16px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); text-align: left; color: var(--ink); font-size: 13px; }
.home-secondary button:hover { border-color: var(--green); }
.home-secondary button span { color: var(--muted); }
.home-book { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 25px 28px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface-raised); }
.home-book h2 { margin: 8px 0 4px; font: 500 23px/1.25 var(--serif); color: var(--ink); }
.home-book p { margin: 0; color: var(--muted); font-size: 13px; }
.book-action { display: inline-flex; align-items: center; min-height: 44px; padding: 10px 15px; border: 1px solid var(--ink); border-radius: var(--radius-sm); background: var(--ink); color: var(--white); text-decoration: none; font-size: 12px; font-weight: 600; white-space: nowrap; }
.book-action-disabled { border-color: var(--line); background: transparent; color: var(--muted); cursor: default; }
.book-page .book-panel, .about-panel { padding: 25px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface-raised); color: var(--muted); }
.book-unavailable { font-size: 13px; }

.app-menu summary { min-height: 44px; display: flex; align-items: center; border-radius: var(--radius-lg); border-color: var(--line); color: var(--ink); }
.app-menu nav { max-height: min(72vh, 560px); overflow: auto; border-radius: var(--radius-md); background: var(--surface); }
.app-menu nav button { min-height: 44px; border-radius: var(--radius-sm); color: var(--ink); }
.app-menu nav button:hover { background: var(--surface-raised); color: var(--ink); }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid color-mix(in srgb, var(--green) 55%, transparent); outline-offset: 3px; }

@media (max-width: 850px) {
  .topbar { gap: 12px; }
  .home-page { padding-top: 56px; }
}
@media (max-width: 620px) {
  .app-shell { padding: 0 max(16px, env(safe-area-inset-right)) 0 max(16px, env(safe-area-inset-left)); }
  .topbar { height: auto; min-height: 104px; display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto; gap: 8px 10px; padding: 9px 0; }
  .brand { grid-column: 1; grid-row: 1; gap: 8px; font-size: 10px; letter-spacing: .9px; }
  .brand-mark { width: 28px; height: 28px; }
  .app-menu { grid-column: 2; grid-row: 1; margin: 0; }
  .app-menu summary { padding: 8px 11px; font-size: 11px; }
  .emergency-nav { grid-column: 1 / -1; grid-row: 2; justify-self: stretch; justify-content: center; min-height: 40px; padding: 8px 12px; font-size: 12px; }
  .home-page { padding: 42px 0 38px; }
  .home-intro h1 { letter-spacing: -1.2px; }
  .home-primary-actions { grid-template-columns: 1fr; gap: 11px; }
  .home-action { min-height: 128px; padding: 21px; }
  .home-action-primary { min-height: 148px; }
  .home-secondary { gap: 8px; margin: 18px 0 30px; }
  .home-secondary button { min-height: 54px; padding: 10px; font-size: 11px; }
  .home-book { align-items: flex-start; flex-direction: column; gap: 17px; padding: 20px; }
  .home-book h2 { font-size: 21px; }
  .book-action { min-height: 44px; }
}
@media (max-width: 360px) {
  .home-secondary { grid-template-columns: 1fr; }
  .home-secondary button { min-height: 48px; }
}

/* Etapa 2: continuidad visual para pantallas internas; conserva marcado y flujo. */
.flow-wrap, .content-page, .emergency-page { width: min(100%, 1050px); }
.flow-wrap { margin-top: clamp(34px, 6vw, 58px); }
.content-page { margin-top: clamp(34px, 6vw, 58px); }
.page-heading { margin-bottom: 28px; }
.page-heading h1, .emergency-heading h1 {
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -1.5px;
}
.page-heading h1 { font-size: clamp(34px, 5vw, 48px); line-height: 1.12; }
.page-heading > p { color: var(--muted); }
#app:focus { outline: 1px solid color-mix(in srgb, var(--green) 20%, transparent); outline-offset: 4px; border-radius: var(--radius-sm); }
.form-panel, .intervention-card, .metric-card, .data-card, .training-notice,
.emergency-card, .settings-note, .book-panel, .about-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: none;
}
.form-panel { background: var(--surface-raised); padding: clamp(20px, 4vw, 32px); }
.state-option, .intervention-card, .metric-card, .data-card, .tool-card,
.emergency-card, .settings-note { background: var(--surface); }
.state-option { border-radius: var(--radius-sm); transition: border-color .18s, background .18s; }
.state-option:hover { border-color: var(--green); }
.state-option.active { border-color: var(--green); box-shadow: inset 0 0 0 1px var(--green); }
.field-label { color: var(--ink); }
.hint, .range-labels, .metric-card small, .data-card p { color: var(--muted); }
.chip { min-height: 40px; border-color: color-mix(in srgb, var(--sand) 75%, transparent); border-radius: var(--radius-lg); background: var(--surface); color: var(--ink); padding: 9px 14px; }
.chip:hover, .chip.selected { border-color: var(--green); background: var(--mint); color: var(--ink); }
.form-panel input[type=range] { accent-color: var(--green); }
textarea, input:not([type=range]):not([type=checkbox]) { border-color: var(--line); border-radius: var(--radius-sm); background: var(--surface); color: var(--ink); }
textarea:focus, input:focus { border-color: var(--green); }
.primary, .secondary { min-height: 44px; border-radius: var(--radius-sm); box-shadow: none; }
.primary { background: var(--ink); }
.primary:hover { background: #163D5B; }
.secondary { border: 1px solid var(--line); background: var(--sand-light); color: var(--ink); }
.secondary:hover { background: var(--sand); }
.text-button { min-height: 40px; color: var(--muted); }
.text-button:hover { color: var(--ink); }
.flow-back { min-height: 42px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); color: var(--ink); }
.flow-back:hover { border-color: var(--green); color: var(--ink); }
.intervention-card { padding: clamp(22px, 4.5vw, 38px); }
.intervention-top { gap: 8px; }
.tag { border-radius: 4px; background: var(--mint); color: var(--ink); }
.tag-soft { background: var(--sand-light); color: var(--ink); }
.intervention-card h2 { color: var(--ink); font-size: clamp(28px, 4vw, 36px); }
.intervention-for { color: var(--muted); line-height: 1.7; }
.duration { color: var(--ink); }
.gentle-note { border-radius: var(--radius-sm); background: var(--sand-light); color: var(--ink); }
.steps li { border-color: color-mix(in srgb, var(--sand) 52%, transparent); }
.steps li > span { background: var(--mint); color: var(--ink); }
.steps li.done > span, .done-mark { background: color-mix(in srgb, var(--functional-green) 28%, var(--surface)); color: var(--ink); }
.progress-track { background: color-mix(in srgb, var(--sand) 55%, var(--surface)); }
.progress-track span { background: var(--green); }
.done-wrap { padding: 20px 12px 0; }
.done-mark { width: 50px; height: 50px; }
.closing-line { color: var(--muted); }

.metric-row { gap: 14px; }
.metric-card, .data-card { padding: clamp(18px, 3vw, 24px); }
.metric-card { border-top: 3px solid var(--sand); }
.metric-card > span, .metric-card strong, .data-card h3 { color: var(--ink); }
.metric-card strong { font-size: clamp(25px, 3.5vw, 32px); }
.insight-grid { gap: 14px; }
.data-card { min-height: 138px; background: var(--surface-raised); }
.records { margin-top: 36px; }
.section-title { border-color: var(--line); }
.section-title h2 { color: var(--ink); }
.record-entry { margin: 9px 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); }
.record-entry > summary, .record-row { background: var(--surface); }
.record-entry > summary { border: 0; padding: 15px 16px; }
.record-entry[open] > summary { border-bottom: 0; }
.record-detail { border-color: var(--line); padding: 0 16px 16px; }
.record-toggle { color: var(--muted); }
.empty-state { border: 1px dashed var(--line); border-radius: var(--radius-sm); background: var(--surface-raised); color: var(--muted); }
.clear-records-link { color: var(--muted); }
.clear-records-dialog { border-color: var(--line); border-radius: var(--radius-md); background: var(--surface); color: var(--ink); box-shadow: none; }
.clear-records-dialog::backdrop { background: color-mix(in srgb, var(--ink) 42%, transparent); }

.training-notice { background: var(--sand-light); padding: 22px 25px; }
.training-notice > span, .training-notice small { color: var(--ink); }
.training-notice p { color: var(--ink); line-height: 1.6; }
.tool-section { margin: 32px 0; }
.tool-grid { gap: 12px; }
.tool-card { border-radius: var(--radius-sm); padding: clamp(17px, 3vw, 22px); transition: border-color .18s, background .18s; }
.tool-card:hover { border-color: var(--green); background: var(--surface-raised); }
.tool-card > span, .tool-card b { color: var(--green); }
.tool-card strong { color: var(--ink); }
.tool-card small { color: var(--muted); line-height: 1.65; }
.kit-form > .field-block { border-color: color-mix(in srgb, var(--sand) 52%, transparent); }
.kit-fields textarea, .kit-fields input { background: var(--surface); }
.vinculo-intro { border-color: var(--line); border-radius: var(--radius-md); background: var(--sand-light); color: var(--ink); }
.protocol-grid strong, .emergency-instruction { color: var(--ink); }
.protocol-note { color: var(--muted); }
.settings-note, .book-panel, .about-panel { background: var(--surface-raised); }

.emergency-page { padding-top: clamp(32px, 6vw, 58px); }
.emergency-heading .eyebrow, .emergency-step-count { color: var(--red); }
.emergency-heading h1 { font-size: clamp(40px, 6vw, 56px); }
.emergency-heading h1 em { color: var(--ink); }
.emergency-heading p { color: var(--muted); line-height: 1.6; }
.emergency-card { padding: clamp(20px, 4vw, 30px); background: var(--sand-light); }
.emergency-instruction { font-family: var(--serif); font-size: clamp(22px, 3vw, 26px); line-height: 1.45; }
.emergency-card .progress-track span { background: var(--red); }
.emergency-page:has(.mode-button.mode-active .state-dot.blue) .emergency-step-count { color: var(--blue); }
.emergency-page:has(.mode-button.mode-active .state-dot.blue) .emergency-card .progress-track span { background: var(--blue); }
.mode-button { min-height: 44px; border-radius: var(--radius-sm); background: var(--surface); color: var(--ink); }
.mode-button.mode-active { border-color: var(--green); box-shadow: inset 0 0 0 1px var(--green); }
.support-message { border: 1px solid color-mix(in srgb, var(--red) 35%, transparent); border-radius: var(--radius-sm); background: color-mix(in srgb, var(--red) 12%, var(--surface)); color: var(--ink); }
.back-link { margin-top: 12px; }

@media (max-width: 620px) {
  .flow-wrap, .content-page { margin-top: 32px; }
  .page-heading { margin-bottom: 24px; }
  .page-heading h1 { font-size: clamp(32px, 10vw, 40px); }
  .form-panel { padding: 20px 17px; }
  .form-actions { gap: 10px; }
  .form-actions > button { width: 100%; }
  .done-actions { flex-direction: column; align-items: stretch; }
  .metric-row, .insight-grid, .tool-grid, .kit-fields, .protocol-grid { grid-template-columns: 1fr; }
  .metric-card { padding: 18px; }
  .record-entry > summary { padding: 14px 12px; }
  .record-detail { padding: 0 12px 14px; }
  .emergency-page { padding-top: 30px; }
  .emergency-card { padding: 20px 17px; }
  .emergency-actions { gap: 8px; }
  .mode-button { min-height: 44px; padding: 10px 12px; }
  .vinculo-intro { padding: 20px 17px; }
}

.about-page { max-width: 960px; padding-bottom: 16px; }
.about-intro { max-width: 820px; margin: 0 0 36px; }
.about-intro h1 { max-width: 780px; margin: 14px 0 20px; color: var(--ink); font: 500 clamp(36px, 5.4vw, 56px)/1.1 var(--serif); letter-spacing: -1.6px; }
.about-copy { max-width: 750px; display: grid; gap: 13px; }
.about-copy p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.75; }
.about-method { margin: 0 0 28px; }
.about-method > h2, .about-note h2 { margin: 0 0 16px; color: var(--ink); font: 500 24px/1.25 var(--serif); }
.method-flow { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 0; padding: 0; list-style: none; }
.method-step { position: relative; min-height: 214px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); }
.method-step:nth-child(2) { background: var(--sand-light); }
.method-step:not(:last-child)::after { content: '→'; position: absolute; top: 19px; right: -16px; z-index: 1; color: var(--muted); font-size: 18px; line-height: 1; }
.method-label { display: block; margin-bottom: 16px; color: var(--green); font: 700 10px 'Manrope', sans-serif; letter-spacing: 1.2px; }
.method-step h3 { margin: 0 0 9px; color: var(--ink); font: 500 19px/1.35 var(--serif); }
.method-step h3 em { font-weight: 400; }
.method-step p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
.about-note { margin: 0 0 20px; padding: 23px 25px; border: 1px solid var(--line); border-left: 4px solid var(--sand); border-radius: var(--radius-sm); background: var(--surface-raised); }
.about-note h2 { margin-bottom: 7px; font-size: 22px; }
.about-note p { max-width: 820px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.about-book { align-items: center; }
.about-book > div { max-width: 740px; }
.about-book h2 { margin-top: 9px; font-size: 25px; }
.about-book p { margin: 7px 0 0; line-height: 1.65; }
.about-book p em { color: var(--ink); }

@media (max-width: 700px) {
  .about-page { padding-bottom: 8px; }
  .about-intro { margin-bottom: 29px; }
  .about-intro h1 { margin-bottom: 15px; font-size: clamp(34px, 9vw, 42px); letter-spacing: -1px; }
  .about-copy p { font-size: 14px; line-height: 1.7; }
  .about-method > h2 { font-size: 22px; }
  .method-flow { grid-template-columns: 1fr; gap: 22px; }
  .method-step { min-height: 0; padding: 19px; }
  .method-step:not(:last-child)::after { content: '↓'; top: auto; right: auto; bottom: -22px; left: 50%; transform: translateX(-50%); }
  .method-label { margin-bottom: 10px; }
  .about-note { padding: 19px; }
  .about-book { align-items: flex-start; }
  .about-book h2 { font-size: 23px; }
}