:root {
  --papel: #F7F1E6;
  --papel-claro: #FFFDF8;
  --papel-oscuro: #EFE3CF;
  --linea: #E3D6C3;
  --tinta: #2B2420;
  --tinta-suave: #6B5A4E;
  --acento: #9A4A2E;
  --acento-hover: #7A3A22;
  --peligro: #A3261B;
  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans: 'Source Sans 3', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --radio: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--papel);
  color: var(--tinta);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.45;
  -webkit-text-size-adjust: 100%;
}

a { color: var(--acento); }
a:hover { color: var(--acento-hover); }

button, input, select, textarea { font: inherit; color: inherit; }

.app {
  max-width: 760px;
  margin: 0 auto;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding-bottom: calc(84px + env(safe-area-inset-bottom));
}

.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- Cabeceras ---------- */
.cabecera {
  padding: calc(28px + env(safe-area-inset-top)) 24px 12px;
  display: flex; flex-direction: column; gap: 4px;
}
.antetitulo {
  margin: 0; font-size: 14px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--tinta-suave);
}
h1, h2, h3 { font-family: var(--serif); font-weight: 600; margin: 0; line-height: 1.12; }
h1 { font-size: clamp(28px, 7vw, 40px); }
h2 { font-size: 21px; }

.barra-superior {
  display: flex; justify-content: space-between; align-items: center;
  padding: calc(12px + env(safe-area-inset-top)) 12px 0;
}

/* ---------- Controles ---------- */
.boton-icono {
  width: 48px; height: 48px; border: 0; background: transparent; border-radius: 24px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--tinta); cursor: pointer; text-decoration: none;
}
.boton-icono:hover { background: var(--papel-oscuro); }
.boton-icono.activo { color: var(--acento); }

.boton {
  min-height: 48px; padding: 0 20px; border-radius: 24px; border: 1px solid var(--linea);
  background: var(--papel-claro); cursor: pointer; font-size: 16px;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  text-decoration: none; color: var(--tinta);
}
.boton:hover { border-color: var(--tinta-suave); }
.boton.principal { background: var(--acento); border-color: var(--acento); color: var(--papel-claro); font-weight: 600; }
.boton.principal:hover { background: var(--acento-hover); color: var(--papel-claro); }
.boton.oscuro { background: var(--tinta); border-color: var(--tinta); color: var(--papel-claro); font-weight: 600; }
.boton.peligro { color: var(--peligro); }
.boton.ancho { width: 100%; }

:focus-visible { outline: 3px solid var(--acento); outline-offset: 2px; }

.buscador {
  margin: 8px 24px 4px; display: flex; align-items: center; gap: 10px;
  height: 50px; padding: 0 16px; background: var(--papel-claro);
  border: 1px solid var(--linea); border-radius: 25px;
}
.buscador input { flex: 1; border: 0; background: transparent; font-size: 16px; outline: none; min-width: 0; }

.chips {
  display: flex; gap: 8px; padding: 12px 24px; overflow-x: auto; scrollbar-width: none;
}
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: none; min-height: 44px; padding: 0 16px; border-radius: 22px;
  border: 1px solid var(--linea); background: var(--papel-claro); cursor: pointer; font-size: 15px;
}
.chip[aria-pressed="true"] { background: var(--acento); border-color: var(--acento); color: var(--papel-claro); font-weight: 600; }

/* ---------- Lista ---------- */
.seccion { padding: 8px 24px 0; }
.seccion-titulo { display: flex; justify-content: space-between; align-items: baseline; margin: 8px 0 10px; }
.lista { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); }
.tarjeta {
  display: flex; gap: 14px; align-items: center; padding: 12px;
  background: var(--papel-claro); border: 1px solid var(--linea); border-radius: var(--radio);
  text-decoration: none; color: var(--tinta); min-height: 88px;
}
.tarjeta:hover { border-color: var(--tinta-suave); color: var(--tinta); }
.miniatura {
  width: 64px; height: 64px; flex: none; border-radius: 10px; background: var(--papel-oscuro);
  display: flex; align-items: center; justify-content: center; overflow: hidden; color: var(--acento);
}
.miniatura img { width: 100%; height: 100%; object-fit: cover; }
.tarjeta-texto { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.tarjeta-titulo { font-family: var(--serif); font-size: 18px; font-weight: 600; }
.tarjeta-detalle { font-size: 14px; color: var(--tinta-suave); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.vacio {
  margin: 32px 24px; padding: 32px 24px; text-align: center; border: 1px dashed var(--linea);
  border-radius: var(--radio); background: var(--papel-claro); display: flex; flex-direction: column; gap: 12px; align-items: center;
}
.vacio p { margin: 0; color: var(--tinta-suave); }

/* ---------- Ficha ---------- */
.recuerdo {
  margin: 16px 24px 0; padding: 14px; background: var(--papel-oscuro); border-radius: 14px;
  display: flex; gap: 16px; align-items: center;
}
.ficha-original {
  width: 96px; height: 120px; flex: none; background: var(--papel-claro); border: 1px solid #D9C6A8;
  border-radius: 6px; transform: rotate(-3deg); overflow: hidden; padding: 0; cursor: zoom-in;
  display: flex; align-items: center; justify-content: center; font-size: 12px; color: var(--tinta-suave); text-align: center;
  box-shadow: 0 2px 6px rgba(43, 36, 32, .12);
}
.ficha-original img { width: 100%; height: 100%; object-fit: cover; }
.ficha-marco { position: relative; flex: none; }
.caras { position: absolute; bottom: -6px; right: -6px; background: var(--tinta); color: var(--papel-claro); font-size: 12px; padding: 2px 8px; border-radius: 10px; }
.cita { margin: 0; font-family: var(--serif); font-style: italic; font-size: 17px; line-height: 1.35; white-space: pre-line; }
.autoria { margin: 6px 0 0; font-size: 14px; color: var(--tinta-suave); }

.pestanas { display: flex; gap: 8px; padding: 18px 24px 8px; }
.pestanas .boton { flex: 1; }
.pestanas .boton[aria-selected="true"] { background: var(--tinta); border-color: var(--tinta); color: var(--papel-claro); font-weight: 600; }

.ingredientes { list-style: none; margin: 0; padding: 4px 24px; }
.ingredientes li { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--linea); }
.ingredientes .cantidad { color: var(--tinta-suave); text-align: right; }
.pasos { margin: 0; padding: 4px 24px 4px 48px; display: flex; flex-direction: column; gap: 14px; }
.pasos li { padding-left: 4px; }
.pasos li::marker { font-family: var(--serif); font-weight: 600; color: var(--acento); }
.notas { margin: 16px 24px 0; padding: 14px 16px; border-left: 0; background: var(--papel-claro); border: 1px solid var(--linea); border-radius: 12px; white-space: pre-line; }
.notas h3 { font-size: 16px; margin-bottom: 4px; }
.acciones { display: flex; gap: 10px; flex-wrap: wrap; padding: 20px 24px; }
.acciones .boton { flex: 1 1 160px; white-space: nowrap; }

/* ---------- Formulario ---------- */
form.formulario { padding: 8px 24px 24px; display: flex; flex-direction: column; gap: 18px; }
.campo { display: flex; flex-direction: column; gap: 6px; }
.campo label, .campo .etiqueta { font-weight: 600; font-size: 15px; }
.campo .ayuda { font-size: 14px; color: var(--tinta-suave); margin: 0; }
.campo input, .campo select, .campo textarea {
  min-height: 48px; padding: 10px 14px; border: 1px solid var(--linea); border-radius: 12px; background: var(--papel-claro); font-size: 16px;
}
.campo textarea { min-height: 120px; resize: vertical; line-height: 1.5; }
.fila { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
.casilla { display: flex; align-items: center; gap: 10px; min-height: 44px; }
.casilla input { width: 22px; height: 22px; accent-color: var(--acento); }
.subir-foto { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.subir-foto .vista { width: 96px; height: 120px; border-radius: 8px; background: var(--papel-oscuro); overflow: hidden; display: flex; align-items: center; justify-content: center; color: var(--tinta-suave); font-size: 12px; text-align: center; }
.subir-foto .vista img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Navegación inferior ---------- */
.nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
  background: var(--papel-claro); border-top: 1px solid var(--linea);
  padding: 8px 12px calc(10px + env(safe-area-inset-bottom));
}
.nav ul { list-style: none; margin: 0 auto; padding: 0; max-width: 760px; display: flex; justify-content: space-around; }
.nav a {
  min-width: 72px; min-height: 52px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  color: var(--tinta-suave); text-decoration: none; font-size: 13px; border-radius: 12px;
}
.nav a[aria-current="page"] { color: var(--acento); font-weight: 600; }

/* ---------- Modo cocina ---------- */
.cocina { position: fixed; inset: 0; z-index: 20; background: var(--papel); display: flex; flex-direction: column; padding: calc(12px + env(safe-area-inset-top)) 0 calc(16px + env(safe-area-inset-bottom)); }
.cocina-cuerpo { flex: 1; overflow-y: auto; padding: 8px 28px; display: flex; flex-direction: column; justify-content: center; gap: 16px; max-width: 760px; margin: 0 auto; width: 100%; }
.cocina-paso { font-size: clamp(24px, 6vw, 36px); line-height: 1.35; margin: 0; }
.cocina-num { font-family: var(--serif); color: var(--acento); font-size: 18px; margin: 0; }
.cocina-pie { display: flex; gap: 12px; padding: 0 24px; max-width: 760px; margin: 0 auto; width: 100%; }
.cocina-pie .boton { flex: 1; min-height: 64px; font-size: 18px; }

/* ---------- Visor de foto ---------- */
.visor { position: fixed; inset: 0; z-index: 30; background: rgba(20, 16, 14, .92); display: flex; align-items: center; justify-content: center; padding: 16px; }
.visor img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: 6px; }
.visor .boton-icono { position: absolute; top: calc(12px + env(safe-area-inset-top)); right: 12px; color: #fff; }
.visor .boton-icono:hover { background: rgba(255,255,255,.15); }
.visor-girar { position: absolute; bottom: calc(20px + env(safe-area-inset-bottom)); left: 50%; transform: translateX(-50%); }

/* ---------- Varios ---------- */
.toast {
  position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(100px + env(safe-area-inset-bottom)); z-index: 40;
  background: var(--tinta); color: var(--papel-claro); padding: 12px 20px; border-radius: 24px; font-size: 15px; max-width: calc(100% - 32px);
}
.aviso { margin: 8px 24px; padding: 12px 16px; background: var(--papel-oscuro); border-radius: 12px; font-size: 15px; }
.centro { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; padding: 32px 24px; text-align: center; }
.centro p { margin: 0; color: var(--tinta-suave); max-width: 36ch; }

@media (min-width: 700px) {
  .app { padding-top: 12px; }
}