/* ============ Design system — Alfa y Omega (claro / verde musgo) ============ */
:root {
  --bg: #fbf9f2;
  --card: #ffffff;
  --beige: #f5f0e1;
  --beige-track: #ece4cc;
  --border: #e4dcc5;
  --ink: #2b2a25;
  --muted: #6b6656;
  --moss-900: #33402a;
  --moss-700: #4c6234;
  --moss-500: #729250;
  --moss-300: #9db877;
  --moss-100: #e7eeda;
  --danger: #a4503f;
  --shadow-soft: 0 8px 24px -14px rgba(43, 42, 37, 0.28);
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 9px;
  --font-serif: Georgia, 'Iowan Old Style', 'Palatino Linotype', 'Times New Roman', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Inter, sans-serif;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior-y: none;
}
a { color: inherit; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--moss-300); color: var(--moss-900); }

#app {
  min-height: 100vh;
  padding-bottom: calc(78px + var(--safe-bottom));
}

/* ---------- topografia ---------- */
.eyebrow {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--moss-700);
}
h1, h2, h3 { font-family: var(--font-serif); margin: 0; }
.muted { color: var(--muted); }

/* ---------- monograma Alfa/Omega ---------- */
.monograma {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-serif);
  border: 1.5px solid var(--moss-700);
  border-radius: 50%;
  color: var(--moss-700);
  background: var(--moss-100);
  line-height: 1;
  letter-spacing: -0.02em;
}

/* ---------- hero / header ---------- */
.hero {
  position: relative;
  padding: calc(20px + var(--safe-top)) 20px 28px;
  background:
    radial-gradient(560px 280px at 12% -10%, rgba(114,146,80,0.14), transparent 62%),
    linear-gradient(180deg, var(--beige), var(--bg));
  border-bottom: 1px solid var(--border);
}
.hero-row { display: flex; align-items: center; gap: 14px; position: relative; }
.hero-row .monograma { width: 52px; height: 52px; font-size: 19px; flex: none; }
.hero-title { font-size: 22px; color: var(--ink); }
.hero-sub { font-size: 12.5px; color: var(--moss-700); font-style: italic; margin-top: 2px; }
.hero-stats { display: flex; gap: 10px; margin-top: 18px; position: relative; }
.stat-pill {
  flex: 1; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 10px 12px; text-align: center;
}
.stat-pill .n { font-family: var(--font-serif); font-size: 20px; color: var(--moss-700); display: block; }
.stat-pill .l { font-size: 10.5px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }

/* ---------- segmented control (testamentos) ---------- */
.segmented {
  display: flex; margin: 18px 20px 4px; background: var(--beige);
  border: 1px solid var(--border); border-radius: 999px; padding: 4px;
}
.segmented button {
  flex: 1; border: none; background: transparent; color: var(--muted);
  padding: 9px 6px; border-radius: 999px; font-size: 13px; font-weight: 600;
  transition: color .2s, background .2s;
}
.segmented button.active { background: var(--moss-700); color: #fff; }

/* ---------- listas de livros ---------- */
.lista { padding: 12px 16px 24px; display: flex; flex-direction: column; gap: 10px; }
.libro-card {
  display: flex; align-items: center; gap: 12px;
  background: var(--card); color: var(--ink);
  border-radius: var(--radius-md); padding: 14px 14px;
  border: 1px solid var(--border);
  text-align: left; width: 100%; box-shadow: var(--shadow-soft);
}
.libro-card:active { transform: scale(0.99); }
.libro-ico {
  flex: none; width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif); font-size: 15px;
  background: var(--moss-100);
  color: var(--moss-700); border: 1px solid var(--moss-300);
}
.libro-info { flex: 1; min-width: 0; }
.libro-nombre { font-family: var(--font-serif); font-size: 15.5px; }
.libro-meta { font-size: 11.5px; color: var(--muted); margin-top: 2px; }
.libro-progreso { height: 4px; background: var(--beige-track); border-radius: 3px; margin-top: 7px; overflow: hidden; }
.libro-progreso > span { display: block; height: 100%; background: var(--moss-700); }
.badge-proximamente {
  font-size: 10px; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--muted); border: 1px solid var(--border); border-radius: 999px;
  padding: 3px 8px; flex: none; background: var(--beige);
}
.chev { color: var(--muted); flex: none; font-size: 18px; }

/* ---------- topbar de subpáginas ---------- */
.topbar {
  display: flex; align-items: center; gap: 10px;
  padding: calc(14px + var(--safe-top)) 16px 14px;
  background: var(--bg); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 5;
}
.btn-back {
  border: 1px solid var(--border); background: var(--card); color: var(--moss-700);
  width: 34px; height: 34px; border-radius: 10px; font-size: 16px;
  display: flex; align-items: center; justify-content: center;
}
.topbar-title { font-family: var(--font-serif); font-size: 16px; color: var(--ink); }
.topbar-sub { font-size: 11px; color: var(--muted); }

/* ---------- grade de capítulos ---------- */
.cap-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px;
  padding: 16px;
}
.cap-cell {
  aspect-ratio: 1; border-radius: 10px; border: 1px solid var(--border);
  background: var(--card); color: var(--muted);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif); font-size: 14px; position: relative;
}
.cap-cell.disponible { background: var(--moss-100); border-color: var(--moss-300); color: var(--moss-700); font-weight: 700; }
.cap-cell.completo { background: var(--moss-700); border-color: var(--moss-700); color: #fff; font-weight: 700; }
.cap-cell.bloqueado { opacity: 0.55; }
.cap-cell .dot { position: absolute; bottom: 4px; width: 4px; height: 4px; border-radius: 50%; background: #fff; }

.aviso-proximamente {
  margin: 4px 16px 4px; padding: 12px 14px; border-radius: var(--radius-md);
  border: 1px dashed var(--border); color: var(--muted); font-size: 12.5px;
  background: var(--beige);
}

/* ---------- capítulo ---------- */
.cap-hero { padding: 22px 20px 18px; text-align: center; background: var(--beige); border-bottom: 1px solid var(--border); }
.cap-hero .monograma { width: 44px; height: 44px; font-size: 15px; margin-bottom: 10px; }
.cap-hero h1 { font-size: 20px; color: var(--ink); }
.cap-hero .ref { color: var(--moss-700); font-size: 12px; font-style: italic; margin-top: 4px; }

.seccion-verso { margin: 16px 16px 0; }
.seccion-verso:first-of-type { margin-top: 16px; }
.seccion-verso-titulo {
  font-family: var(--font-sans); font-size: 11px; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--moss-700); margin: 0 2px 8px; opacity: 0.9;
}
.texto-biblico {
  margin: 0 0 18px; padding: 18px 18px; background: var(--card); color: var(--ink);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); border: 1px solid var(--border);
  font-family: var(--font-serif); font-size: 15.5px; line-height: 1.8;
}
.texto-biblico .v { display: inline; }
.texto-biblico .v .n { font-size: 10px; vertical-align: super; color: var(--moss-700); font-weight: 700; margin-right: 2px; }
.texto-biblico .v + .v { margin-left: 4px; }

/* ---------- diagramas / infográficos ---------- */
.diagrama-card {
  margin: 4px 16px 18px; padding: 18px 16px; background: var(--moss-100); border: 1px solid var(--moss-300);
  border-radius: var(--radius-lg);
}
.diagrama-titulo {
  font-family: var(--font-sans); font-size: 11px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--moss-700); margin-bottom: 14px;
}
.diagrama-nota { font-size: 12px; color: var(--muted); margin-top: 12px; line-height: 1.55; font-style: italic; }

/* flujo (cap. 1) */
.flujo { display: flex; flex-direction: column; align-items: stretch; gap: 4px; }
.flujo-nodo {
  display: flex; align-items: center; gap: 12px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 12px 14px; font-size: 13px; color: var(--ink); line-height: 1.4;
}
.flujo-ico { flex: none; font-size: 20px; }
.flujo-flecha { color: var(--moss-700); font-size: 15px; text-align: center; line-height: 1; padding: 2px 0; }

/* kenosis (cap. 2) */
.kenosis-svg { width: 100%; height: auto; display: block; }
.kenosis-linea { fill: none; stroke: var(--moss-500); stroke-width: 2; }
.kenosis-punto { fill: var(--moss-700); stroke: var(--card); stroke-width: 2; }
.kenosis-num { font-size: 8px; fill: var(--card); font-weight: 700; }
.kenosis-leyenda { list-style: none; margin: 12px 0 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.kenosis-leyenda li { display: flex; align-items: baseline; gap: 8px; font-size: 12px; color: var(--ink); line-height: 1.4; }
.kenosis-leyenda .num {
  flex: none; width: 16px; height: 16px; border-radius: 50%; background: var(--moss-700); color: #fff;
  font-size: 9px; font-weight: 700; display: flex; align-items: center; justify-content: center;
}

/* comparación antes/ahora (cap. 3) */
.comparacion { display: flex; align-items: stretch; gap: 8px; }
.comparacion-col { flex: 1; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 12px; }
.comparacion-col.antes { opacity: 0.72; }
.comparacion-cabecera { font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); margin-bottom: 8px; }
.comparacion-col.ahora .comparacion-cabecera { color: var(--moss-700); }
.comparacion-col ul { margin: 0; padding-left: 16px; font-size: 12px; line-height: 1.6; color: var(--ink); }
.comparacion-col.antes ul { text-decoration: line-through; text-decoration-color: var(--muted); }
.comparacion-flecha { flex: none; align-self: center; color: var(--moss-700); font-size: 18px; }

/* espectro (cap. 4) */
.espectro { display: flex; align-items: center; gap: 10px; }
.espectro-extremo { font-size: 11px; color: var(--muted); flex: none; }
.espectro-track { flex: 1; height: 6px; background: var(--beige-track); border-radius: 4px; position: relative; }
.espectro-punto {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 16px; height: 16px; border-radius: 50%; background: var(--moss-700); border: 3px solid var(--moss-100);
}
.espectro-centro { text-align: center; font-size: 12px; color: var(--ink); font-style: italic; margin-top: 12px; }

.tarjetas { padding: 12px 16px 8px; display: flex; flex-direction: column; gap: 10px; }
.tarjeta {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-md);
  overflow: hidden;
}
.tarjeta > summary {
  list-style: none; cursor: pointer; padding: 14px 16px; display: flex; align-items: center; gap: 10px;
  font-weight: 600; font-size: 14px; color: var(--ink);
}
.tarjeta > summary::-webkit-details-marker { display: none; }
.tarjeta > summary .tic { color: var(--moss-700); font-size: 16px; }
.tarjeta > summary .chev { margin-left: auto; color: var(--muted); transition: transform .2s; }
.tarjeta[open] > summary .chev { transform: rotate(90deg); }
.tarjeta-body { padding: 0 16px 16px 42px; font-size: 13.5px; line-height: 1.65; color: var(--ink); }

.cap-acciones { padding: 18px 16px 28px; display: flex; gap: 10px; }
.btn {
  flex: 1; border: none; border-radius: 999px; padding: 13px 16px; font-weight: 700; font-size: 14px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.btn-gold { background: var(--moss-700); color: #fff; }
.btn-gold.done { background: var(--moss-900); color: #fff; }
.btn-outline { background: var(--card); border: 1px solid var(--border); color: var(--ink); flex: 0 0 auto; width: 48px; }
.btn-outline:disabled { opacity: 0.35; }

/* ---------- estado próximamente (capítulo bloqueado) ---------- */
.estado-vacio { padding: 60px 30px; text-align: center; }
.estado-vacio .monograma { width: 60px; height: 60px; font-size: 20px; margin: 0 auto 18px; }
.estado-vacio h2 { font-size: 17px; color: var(--ink); margin-bottom: 8px; }
.estado-vacio p { color: var(--muted); font-size: 13.5px; line-height: 1.6; max-width: 280px; margin: 0 auto; }

/* ---------- Progreso (racha + gráficos + plan) ---------- */
.plan-card {
  margin: 16px; padding: 18px; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-soft);
}
.racha { display: flex; align-items: center; gap: 12px; margin-bottom: 4px; }
.racha .n { font-family: var(--font-serif); font-size: 30px; color: var(--moss-700); }
.racha .l { font-size: 12px; color: var(--muted); }
.check-item {
  display: flex; align-items: center; gap: 12px; padding: 12px 0; border-top: 1px solid var(--border);
}
.check-item:first-of-type { border-top: none; }
.check-box {
  width: 22px; height: 22px; border-radius: 6px; border: 1.5px solid var(--moss-700); flex: none;
  display: flex; align-items: center; justify-content: center; color: #fff; font-size: 13px;
}
.check-box.on { background: var(--moss-700); }
.check-item span.txt { font-size: 14px; color: var(--ink); }
.check-item.done span.txt { color: var(--muted); text-decoration: line-through; }

.seccion-titulo {
  margin: 22px 16px 8px; font-family: var(--font-sans); font-size: 11px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--moss-700);
}

/* --- gráfico de constancia (14 días) --- */
.chart-constancia { width: 100%; height: auto; display: block; }
.chart-constancia .barra.nivel-0 { fill: var(--beige-track); stroke: var(--border); stroke-width: 1; stroke-dasharray: 2 2; }
.chart-constancia .barra.nivel-1 { fill: var(--moss-300); }
.chart-constancia .barra.nivel-2 { fill: var(--moss-500); }
.chart-constancia .barra.nivel-3 { fill: var(--moss-700); }
.chart-constancia .eje { stroke: var(--border); stroke-width: 1; }
.chart-caption { font-size: 11px; color: var(--muted); margin-top: 10px; line-height: 1.5; }

/* --- progreso de lectura: anillo + barras de testamento --- */
.progreso-lectura { display: flex; align-items: center; gap: 18px; }
.anillo-total { width: 108px; height: 108px; flex: none; }
.anillo-track { fill: none; stroke: var(--beige-track); stroke-width: 9; }
.anillo-fill { fill: none; stroke: var(--moss-700); stroke-width: 9; stroke-linecap: round; }
.anillo-num { font-family: var(--font-serif); font-size: 20px; fill: var(--ink); }
.anillo-den { font-size: 7.5px; fill: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.barras-testamento { flex: 1; display: flex; flex-direction: column; gap: 12px; }
.barra-comparacion-head { display: flex; justify-content: space-between; font-size: 12px; margin-bottom: 5px; }
.barra-comparacion-head .valor { color: var(--moss-700); font-weight: 700; }
.barra-track { height: 8px; background: var(--beige-track); border-radius: 5px; overflow: hidden; }
.barra-fill { display: block; height: 100%; background: var(--moss-700); border-radius: 5px; }

/* ---------- Notas ---------- */
.nota-form { margin: 16px; display: flex; flex-direction: column; gap: 8px; }
.nota-form textarea, .nota-form input {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--ink); padding: 10px 12px; font-family: var(--font-sans); font-size: 13.5px; resize: vertical;
}
.nota-form input::placeholder, .nota-form textarea::placeholder { color: var(--muted); }
.nota-item {
  margin: 0 16px 10px; padding: 12px 14px; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.nota-item .ref { color: var(--moss-700); font-size: 11px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
.nota-item p { margin: 6px 0 8px; font-size: 13.5px; color: var(--ink); line-height: 1.55; }
.nota-item .row { display: flex; justify-content: space-between; align-items: center; }
.nota-item .fecha { font-size: 10.5px; color: var(--muted); }
.nota-item button { background: none; border: none; color: var(--danger); font-size: 11.5px; font-weight: 600; }
.vacio-lista { padding: 40px 24px; text-align: center; color: var(--muted); font-size: 13px; }

/* ---------- comunidad placeholder ---------- */
.placeholder { padding: 60px 30px; text-align: center; }
.placeholder .emoji { font-size: 34px; margin-bottom: 12px; }
.placeholder h2 { font-size: 17px; margin-bottom: 8px; color: var(--ink); }
.placeholder p { color: var(--muted); font-size: 13.5px; line-height: 1.6; }

/* ---------- nav inferior ---------- */
.bottom-nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
  display: flex; background: rgba(251,249,242,0.92); backdrop-filter: blur(14px);
  border-top: 1px solid var(--border);
  padding: 8px 6px calc(8px + var(--safe-bottom));
}
.nav-item {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px;
  background: none; border: none; color: var(--muted); font-size: 10.5px; padding: 4px 0;
  border-radius: 10px;
}
.nav-item .nav-ico { font-size: 19px; }
.nav-item.active { color: var(--moss-700); }

/* ---------- instalar ---------- */
.install-bar {
  position: fixed; left: 12px; right: 12px; bottom: calc(84px + var(--safe-bottom)); z-index: 20;
  background: var(--moss-700); color: #fff; border-radius: var(--radius-md);
  padding: 12px 14px; display: flex; align-items: center; gap: 10px; box-shadow: var(--shadow-soft);
  font-size: 13px; font-weight: 600;
}
.install-bar[hidden] { display: none; }
.install-bar div { display: flex; gap: 8px; margin-left: auto; }
.btn-sm { border: none; border-radius: 999px; padding: 7px 12px; font-size: 12px; font-weight: 700; background: #fff; color: var(--moss-700); }
.btn-ghost { background: none; border: none; color: #fff; font-size: 14px; opacity: 0.75; }

@media (min-width: 720px) {
  #app { max-width: 480px; margin: 0 auto; border-left: 1px solid var(--border); border-right: 1px solid var(--border); min-height: 100vh; }
  .bottom-nav, .install-bar { max-width: 480px; margin: 0 auto; left: 0; right: 0; }
}