/* Cerebro médico — paleta "etiqueta de farmacia": verde tinta sobre papel salvia */
:root {
  --fondo: #EAEFEC;
  --papel: #FFFFFF;
  --tinta: #1C2B2A;
  --tenue: #5A6967;
  --linea: #CCD6D2;
  --acento: #0E7C6B;
  --acento-suave: #D6ECE6;
  --ambar: #9A4A07;
  --ambar-suave: #FCEBD5;
  --peligro: #B42318;
  --peligro-suave: #FDE4E1;
  --mark: #FFE7A3;
  --radio: 10px;
  --fuente: "Atkinson Hyperlegible Next", "Atkinson Hyperlegible", system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fondo: #0F1716; --papel: #17211F; --tinta: #E3ECE9; --tenue: #9AAAA6; --linea: #2B3936;
    --acento: #4FC3A9; --acento-suave: #173A33; --ambar: #F2B26B; --ambar-suave: #3A2A15;
    --peligro: #FF8A7D; --peligro-suave: #3D1D1A; --mark: #5B4A12;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--fondo); color: var(--tinta);
  font: 400 17px/1.5 var(--fuente); font-variant-numeric: tabular-nums;
}
[hidden] { display: none !important; }
a { color: var(--acento); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -0.01em; }
h1 { font-size: 1.75rem; font-weight: 800; }
h2 { font-size: 1.3rem; font-weight: 700; }
h3 { font-size: 1.05rem; font-weight: 700; }
.tenue { color: var(--tenue); }
.error { color: var(--peligro); min-height: 1.5em; }
:focus-visible { outline: 3px solid var(--acento); outline-offset: 2px; }
mark { background: var(--mark); color: inherit; border-radius: 2px; padding: 0 1px; }

/* Controles */
input, select, textarea {
  font: inherit; color: inherit; width: 100%; padding: .65rem .8rem; background: var(--papel);
  border: 1.5px solid var(--linea); border-radius: 8px;
}
input:focus, select:focus, textarea:focus { border-color: var(--acento); outline: none; box-shadow: 0 0 0 3px var(--acento-suave); }
label { display: block; font-weight: 500; font-size: .92rem; margin: .9rem 0 .3rem; }
.btn {
  font: inherit; font-weight: 700; padding: .65rem 1.1rem; border-radius: 8px; cursor: pointer;
  border: 1.5px solid var(--linea); background: var(--papel); color: var(--tinta);
  text-decoration: none; display: inline-block; text-align: center;
}
.btn.primario { background: var(--acento); border-color: var(--acento); color: #fff; }
@media (prefers-color-scheme: dark) { .btn.primario { color: #08201B; } }
.btn:disabled { opacity: .55; cursor: progress; }
.btn.chico { padding: .35rem .7rem; font-size: .9rem; }

/* Entrada */
.login { min-height: 100dvh; display: grid; place-items: center; padding: 16px; }
.login-caja { width: min(360px, 100%); }
.login-caja h1 { margin-top: .6rem; }
.login-caja .btn { width: 100%; margin-top: 1.1rem; }

/* Estructura: barra inferior en móvil, riel a la izquierda en escritorio */
.app { min-height: 100dvh; }
.nav {
  position: fixed; inset: auto 0 0 0; z-index: 10; display: flex; justify-content: space-around;
  background: var(--papel); border-top: 1px solid var(--linea); padding: 4px 4px calc(4px + env(safe-area-inset-bottom));
}
.nav a, .nav button {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 6px 2px;
  color: var(--tenue); text-decoration: none; font: 500 .72rem/1.2 var(--fuente);
  background: none; border: 0; border-radius: 8px; cursor: pointer;
}
.nav svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.nav a.activo { color: var(--acento); }
.nav a.activo svg { stroke-width: 2.4; }
.nav .marca, .nav .salir { display: none; }
.vista { padding: 20px 16px calc(96px + env(safe-area-inset-bottom)); max-width: 820px; margin: 0 auto; outline: none; }

@media (min-width: 860px) {
  .nav {
    inset: 0 auto 0 0; width: 200px; flex-direction: column; justify-content: flex-start; gap: 2px;
    border-top: 0; border-right: 1px solid var(--linea); padding: 18px 12px;
  }
  .nav a, .nav button { flex: none; flex-direction: row; gap: 12px; padding: 10px 12px; font-size: .98rem; }
  .nav a.activo { background: var(--acento-suave); }
  .nav .marca { display: flex; color: var(--tinta); font-weight: 800; font-size: 1.1rem; margin-bottom: 18px; }
  .nav .salir { display: flex; margin-top: auto; }
  .vista { margin-left: 200px; padding: 36px 40px 60px; max-width: 900px; margin-right: auto; }
  @media (min-width: 1300px) { .vista { margin-left: max(200px, calc(50vw - 350px)); } }
}

/* Buscador */
.buscador { position: sticky; top: 0; z-index: 5; background: var(--fondo); padding: 8px 0 10px; margin-top: -8px; }
.buscador input[type=search] { font-size: 1.15rem; padding: .85rem 1rem; border-radius: 12px; border-width: 2px; }
.filtros { display: flex; gap: 6px; overflow-x: auto; padding: 10px 0 2px; scrollbar-width: none; }
.filtros button {
  flex: none; font: 500 .9rem var(--fuente); padding: .35rem .8rem; border-radius: 99px; cursor: pointer;
  border: 1.5px solid var(--linea); background: transparent; color: var(--tinta);
}
.filtros button[aria-pressed=true] { background: var(--tinta); color: var(--fondo); border-color: var(--tinta); }
.meta-busqueda { font-size: .88rem; color: var(--tenue); margin: 6px 0 12px; }

.resultados { list-style: none; margin: 0; padding: 0; }
.resultado { border-bottom: 1px solid var(--linea); }
.resultado a { display: block; padding: 14px 4px; text-decoration: none; color: inherit; }
.resultado a:hover .r-titulo { text-decoration: underline; }
.r-titulo { font-weight: 700; font-size: 1.05rem; color: var(--tinta); }
.r-donde { font-size: .86rem; color: var(--tenue); margin: 2px 0 6px; }
.r-extracto { font-size: .96rem; max-width: 70ch; overflow-wrap: anywhere; }
.tipo { display: inline-block; font-size: .78rem; font-weight: 700; padding: 1px 7px; border-radius: 5px; margin-right: 6px; background: var(--acento-suave); color: var(--acento); vertical-align: 1px; }
.tipo.apunte { background: var(--ambar-suave); color: var(--ambar); }

.vacio { padding: 36px 4px; color: var(--tenue); max-width: 46ch; }
.vacio strong { color: var(--tinta); display: block; font-size: 1.05rem; margin-bottom: 4px; }

/* Dosis */
.farmacos { list-style: none; padding: 0; margin: 12px 0 0; }
.farmacos li a { display: flex; justify-content: space-between; gap: 12px; padding: 13px 4px; border-bottom: 1px solid var(--linea); color: inherit; text-decoration: none; }
.farmacos .nombre { font-weight: 700; text-transform: capitalize; }
.farmacos .cuenta { color: var(--tenue); font-size: .9rem; white-space: nowrap; }

.regimen {
  display: block; width: 100%; text-align: left; font: inherit; color: inherit; cursor: pointer;
  background: var(--papel); border: 1.5px solid var(--linea); border-radius: var(--radio); padding: 12px 14px; margin: 8px 0;
}
.regimen[aria-pressed=true] { border-color: var(--acento); box-shadow: 0 0 0 3px var(--acento-suave); }
.regimen .linea1 { font-weight: 700; }
.regimen .linea2 { font-size: .92rem; color: var(--tenue); }
.sin-verificar { color: var(--ambar); font-weight: 700; font-size: .85rem; }

.paciente { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 12px; }
.paciente .ancho { grid-column: 1 / -1; }
@media (min-width: 620px) { .paciente { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.sexo { display: flex; gap: 6px; }
.sexo label { flex: 1; margin: 0; }
.sexo input { position: absolute; opacity: 0; width: 1px; }
.sexo span { display: block; text-align: center; padding: .62rem; border: 1.5px solid var(--linea); border-radius: 8px; background: var(--papel); cursor: pointer; font-weight: 500; }
.sexo input:checked + span { border-color: var(--acento); background: var(--acento-suave); color: var(--acento); font-weight: 700; }
.sexo input:focus-visible + span { outline: 3px solid var(--acento); outline-offset: 2px; }
details.renal { margin-top: 14px; border-top: 1px dashed var(--linea); padding-top: 6px; }
details.renal summary { cursor: pointer; font-weight: 500; padding: 6px 0; color: var(--acento); }

/* La etiqueta de resultado: el elemento memorable */
.etiqueta {
  margin: 22px 0 8px; background: var(--papel); border: 2px solid var(--tinta); border-radius: 4px;
  position: relative; overflow: hidden;
}
.etiqueta::before { content: ""; display: block; height: 10px; background: repeating-linear-gradient(90deg, var(--acento) 0 22px, transparent 22px 30px); }
.etiqueta.bloqueado { border-color: var(--peligro); }
.etiqueta.bloqueado::before { background: repeating-linear-gradient(90deg, var(--peligro) 0 22px, transparent 22px 30px); }
.etq-cuerpo { padding: 16px 18px 18px; }
.etq-farmaco { font-weight: 800; font-size: 1.15rem; text-transform: capitalize; }
.etq-indicacion { color: var(--tenue); font-size: .95rem; }
.etq-dosis { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 10px; margin: 14px 0 4px; }
.etq-dosis .num { font-size: clamp(3rem, 12vw, 4.4rem); font-weight: 800; line-height: .95; letter-spacing: -0.03em; }
.etq-dosis .uni { font-size: 1.5rem; font-weight: 700; }
.etq-dosis .cada { font-size: 1.25rem; font-weight: 500; }
.etq-tabla { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); border-top: 1.5px solid var(--tinta); margin-top: 14px; }
.etq-tabla div { padding: 9px 10px 9px 0; border-bottom: 1px solid var(--linea); }
.etq-tabla dt { font-size: .8rem; color: var(--tenue); }
.etq-tabla dd { margin: 0; font-weight: 700; }
.etq-pasos { margin: 14px 0 0; padding-left: 1.3em; font-size: .93rem; }
.etq-pasos li { margin: 3px 0; }
.etq-fuente { margin-top: 14px; font-size: .9rem; color: var(--tenue); }
.alertas { list-style: none; padding: 0; margin: 12px 0 0; }
.alertas li { background: var(--ambar-suave); color: var(--ambar); padding: 8px 12px; border-radius: 6px; margin: 6px 0; font-weight: 500; font-size: .95rem; }
.alertas li.grave { background: var(--peligro-suave); color: var(--peligro); font-weight: 700; }
.nota-legal { font-size: .82rem; color: var(--tenue); margin-top: 10px; }

/* Biblioteca y lector */
.doc-lista { list-style: none; padding: 0; margin: 8px 0; }
.doc-lista li a { display: block; padding: 12px 4px; border-bottom: 1px solid var(--linea); color: inherit; text-decoration: none; }
.doc-lista .titulo { font-weight: 700; }
.doc-lista .sub { font-size: .86rem; color: var(--tenue); }
.volver { display: inline-block; margin-bottom: 14px; text-decoration: none; font-weight: 500; }
.acciones { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 18px; }
.lector { font-size: 1.02rem; max-width: 70ch; }
.lector img { max-width: 100%; height: auto; border-radius: 6px; border: 1px solid var(--linea); }
.lector table { border-collapse: collapse; display: block; overflow-x: auto; }
.lector th, .lector td { border: 1px solid var(--linea); padding: 5px 9px; text-align: left; }
.lector pre { background: var(--papel); border: 1px solid var(--linea); padding: 10px; overflow-x: auto; border-radius: 6px; }
.lector code { font-size: .92em; }
.lector blockquote { margin: 0; padding: 4px 14px; border-left: 3px solid var(--acento); color: var(--tenue); }
.pagina-pdf { border-top: 1px solid var(--linea); padding-top: 10px; margin-top: 18px; }
.pagina-pdf h3 { color: var(--tenue); font-weight: 500; font-size: .9rem; }
.pagina-pdf p { white-space: pre-wrap; }
.pagina-pdf.destacada { background: var(--acento-suave); border-radius: 6px; padding: 10px; }
.imagen-grande { max-width: 100%; border-radius: 8px; border: 1px solid var(--linea); background: #fff; }
.etiquetas { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0; }
.etiquetas a { font-size: .85rem; text-decoration: none; padding: 1px 8px; border-radius: 5px; background: var(--acento-suave); }

/* Subir */
.zona {
  display: grid; place-items: center; text-align: center; padding: 34px 16px; border: 2px dashed var(--linea);
  border-radius: var(--radio); background: var(--papel); cursor: pointer;
}
.zona.encima { border-color: var(--acento); background: var(--acento-suave); }
.zona strong { font-size: 1.05rem; }
.cola { list-style: none; padding: 0; }
.cola li { padding: 8px 0; border-bottom: 1px solid var(--linea); font-size: .95rem; }
.estado { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 8px; margin: 10px 0 20px; }
.estado div { background: var(--papel); border: 1px solid var(--linea); border-radius: 8px; padding: 10px 12px; }
.estado b { display: block; font-size: 1.4rem; }
.estado span { font-size: .85rem; color: var(--tenue); }
.seccion { margin-top: 32px; }

.aviso {
  position: fixed; left: 50%; bottom: calc(84px + env(safe-area-inset-bottom)); transform: translateX(-50%);
  background: var(--tinta); color: var(--fondo); padding: 10px 16px; border-radius: 8px; font-weight: 500;
  opacity: 0; pointer-events: none; transition: opacity .2s; max-width: calc(100vw - 32px); z-index: 20;
}
.aviso.visible { opacity: 1; }
@media (min-width: 860px) { .aviso { bottom: 24px; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }