/* Bitácora · paleta tomada del paisaje atmosférico: niebla, musgo, violeta y amarillo de Pellicer */
:root {
  --niebla: #E6EAE3;
  --papel: #F7F8F4;
  --tinta: #1D2823;
  --musgo: #5C6C63;
  --violeta: #5B4381;
  --violeta-suave: #E9E3F1;
  --amarillo: #C39A1C;
  --linea: #CBD2C8;
  --error: #8E2F2F;
  --serif: 'Spectral', Georgia, 'Times New Roman', serif;
  --sans: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--niebla); color: var(--tinta); font: 400 1.0625rem/1.6 var(--serif); }
a { color: var(--violeta); text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--violeta); outline-offset: 2px; }
h1, h2 { font-weight: 500; line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(1.75rem, 4vw, 2.4rem); letter-spacing: -.01em; }
h2 { font-size: 1.25rem; }
.muted { color: var(--musgo); }
.small { font-size: .9rem; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* Cabecera */
.top { display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; align-items: baseline; justify-content: space-between;
  padding: 1rem clamp(1rem, 4vw, 2.5rem); border-bottom: 1px solid var(--linea); background: var(--papel); }
.brand { font-size: 1.2rem; font-weight: 600; color: var(--tinta); text-decoration: none; }
.brand span { font-weight: 400; color: var(--musgo); font-size: 1rem; }
.brand span::before { content: " · "; }
.top nav { display: flex; flex-wrap: wrap; gap: .25rem 1rem; font-family: var(--sans); font-size: .95rem; }
.top nav a { color: var(--musgo); text-decoration: none; padding: .2rem 0; border-bottom: 2px solid transparent; }
.top nav a[aria-current] { color: var(--tinta); border-bottom-color: var(--violeta); }
.top nav a:hover { color: var(--tinta); }

.wrap { max-width: 46rem; margin: 0 auto; padding: 2rem clamp(1rem, 4vw, 2rem) 4rem; }
.lede { font-size: 1.2rem; max-width: 36em; }
.flash { background: var(--violeta-suave); border-left: 3px solid var(--violeta); padding: .7rem 1rem; margin: 0 0 1.5rem; }
.error { color: var(--error); }

/* Hoy: la brújula. Cada sugerencia es una línea de horizonte. */
.hero { margin-bottom: 2rem; }
.compass { list-style: none; padding: 0; margin: 0 0 2.5rem; counter-reset: c; }
.compass li { counter-increment: c; position: relative; padding: 1.25rem 0 1.25rem 1.5rem; border-left: 2px solid var(--violeta); margin-bottom: 1.25rem; background: linear-gradient(90deg, var(--papel), transparent 85%); }
.compass li::before { content: counter(c); position: absolute; left: -.8rem; top: 1.2rem; width: 1.5rem; height: 1.5rem; border-radius: 50%;
  background: var(--violeta); color: #fff; font: 600 .8rem/1.5rem var(--sans); text-align: center; }
.sug { font-size: 1.3rem; line-height: 1.45; margin: 0 0 .4rem; }
.meta { color: var(--musgo); font-family: var(--sans); font-size: .9rem; margin: 0 0 .9rem; }

/* Constancia */
.rhythm { display: flex; gap: .6rem; margin: 1rem 0 .3rem; font-family: var(--sans); font-size: .8rem; color: var(--musgo); }
.day { display: flex; flex-direction: column; align-items: center; gap: .25rem; }
.day i { width: .9rem; height: .9rem; border-radius: 50%; border: 1.5px solid var(--linea); background: transparent; }
.day.on i { background: var(--amarillo); border-color: var(--amarillo); }
.day.today { color: var(--tinta); font-weight: 600; }
.day.future i { border-style: dashed; }

/* Bloques y listas */
.block { margin: 2.5rem 0; }
details.block > summary, .tpl > summary { cursor: pointer; font-size: 1.1rem; }
.plain { list-style: none; padding: 0; margin: 0; }
.plain li { padding: .45rem 0; border-bottom: 1px solid var(--linea); }
.head-row { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: flex-start; margin-bottom: 1rem; }
.head-row h1 { margin-bottom: .2rem; }
.row { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }
.stage-note { background: var(--papel); padding: 1rem 1.25rem; border-left: 3px solid var(--amarillo); }
.stage-note h2 { font-size: 1rem; font-family: var(--sans); font-weight: 600; color: var(--musgo); margin-bottom: .3rem; }
.stage-note p { margin: .2rem 0; }

/* Plantillas */
.tpl { background: var(--papel); padding: .9rem 1.1rem; margin: .7rem 0; border: 1px solid var(--linea); }
.tpl[open] > summary { margin-bottom: .7rem; }
.subject { margin: .2rem 0 .6rem; }
.letter, .letter-pre { width: 100%; font: 400 1rem/1.65 var(--serif); background: #fff; border: 1px solid var(--linea); padding: 1rem; color: var(--tinta); white-space: pre-wrap; }
.letter-pre { margin: 0 0 .7rem; }

/* Plan */
.plan { padding-left: 1.4rem; }
.plan li { margin-bottom: 1.4rem; padding-left: .4rem; }
.plan li::marker { color: var(--violeta); font-weight: 600; }
.plan h2 { margin-bottom: .2rem; }
.plan p { margin: .2rem 0; }
.principles p { max-width: 38em; }

/* Semana */
.stages { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr)); gap: .5rem; }
.stages li { display: flex; justify-content: space-between; background: var(--papel); padding: .5rem .8rem; border: 1px solid var(--linea); }

/* Historia */
.timeline { list-style: none; padding: 0 0 0 1rem; border-left: 1px solid var(--linea); }
.timeline li { margin-bottom: 1.1rem; position: relative; }
.timeline li::before { content: ''; position: absolute; left: -1.33rem; top: .55rem; width: .6rem; height: .6rem; border-radius: 50%; background: var(--musgo); }
.timeline p { margin: .15rem 0; }
.when { font-family: var(--sans); font-size: .85rem; color: var(--musgo); }

/* Tabla */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .98rem; }
th { text-align: left; font: 600 .85rem var(--sans); color: var(--musgo); border-bottom: 1px solid var(--tinta); padding: .4rem .5rem; }
td { padding: .55rem .5rem; border-bottom: 1px solid var(--linea); vertical-align: top; }
.lvl { color: var(--amarillo); font-size: .7rem; letter-spacing: 1px; }

/* Formularios y botones */
.form.grid { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem 1rem; }
.span2 { grid-column: 1 / -1; }
label { display: flex; flex-direction: column; gap: .3rem; font: 500 .9rem var(--sans); color: var(--musgo); }
input, select, textarea { font: 400 1rem var(--serif); color: var(--tinta); background: #fff; border: 1px solid var(--linea); padding: .55rem .65rem; border-radius: 2px; }
textarea { resize: vertical; }
fieldset { border: 0; padding: 0; margin: 0; }
legend { font: 500 .9rem var(--sans); color: var(--musgo); margin-bottom: .3rem; }
.radio { flex-direction: row; align-items: center; display: inline-flex; margin-right: 1.2rem; color: var(--tinta); font-family: var(--serif); font-size: 1rem; }
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.2rem; }
.filters input[type=search] { flex: 1 1 14rem; }
form.inline { display: inline-flex; gap: .4rem; align-items: center; margin: 0; }
.btn { display: inline-block; font: 500 .95rem var(--sans); padding: .55rem 1rem; border-radius: 2px; border: 1px solid var(--violeta); cursor: pointer; text-decoration: none; }
.btn.primary { background: var(--violeta); color: #fff; }
.btn.primary:hover { background: #4A356B; }
.btn.ghost { background: transparent; color: var(--violeta); }
.btn.ghost:hover { background: var(--violeta-suave); }
.link { background: none; border: 0; padding: 0; color: var(--musgo); font: .85rem var(--sans); text-decoration: underline; cursor: pointer; }
.danger { color: var(--error); }
.del { margin-top: .2rem; }

/* Acceso */
.gate { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }
.gate-box { width: 100%; max-width: 24rem; background: var(--papel); padding: 2rem; border-top: 3px solid var(--violeta); }
.gate-box form { display: grid; gap: 1rem; margin-top: 1.2rem; }

@media (max-width: 600px) {
  .form.grid { grid-template-columns: 1fr; }
  .sug { font-size: 1.15rem; }
  .brand span { display: block; }
  .brand span::before { content: none; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }