/* Afinador de kéfir de agua — la maqueta del prototipo, dicha con los tokens
   del sitio (nada de familias tipográficas nuevas: SEO_Cierre §5.4). La curva
   y el instrumento son de esta página; botones, chips y prosa son del sistema. */

.afk-wrap { max-width: 880px; }

/* ── el instrumento ── */
.afk-panel { background: var(--surface-card, var(--paper-0)); border: 1px solid var(--border-subtle, var(--paper-3)); border-radius: 22px; padding: clamp(20px, 4vw, 30px); box-shadow: var(--shadow-sm, none); }
.afk-sliders { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
@media (max-width: 680px) { .afk-sliders { grid-template-columns: 1fr; gap: 20px; } }

.afk-field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.afk-field__head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; font: 600 12px var(--font-data); letter-spacing: .08em; text-transform: uppercase; color: var(--text-secondary, var(--ink-500)); }
.afk-field__head output { font-family: var(--font-data); font-size: 15px; font-weight: 700; color: var(--green-700); text-transform: none; letter-spacing: 0; }
.afk-field__hint { font-size: 13px; color: var(--text-muted, var(--ink-400)); }

.afk-panel input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 2px; background: var(--paper-4); border-radius: 2px; outline: none; margin: 10px 0 2px; }
.afk-panel input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%; background: var(--paper-0); border: 2px solid var(--green-500); cursor: grab; }
.afk-panel input[type=range]::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: var(--paper-0); border: 2px solid var(--green-500); cursor: grab; }
.afk-panel input[type=range]:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 4px rgba(75, 122, 80, .25); }

/* dos ejes, independientes y dichos como tales */
.afk-ejes { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--paper-3); }
@media (max-width: 680px) { .afk-ejes { grid-template-columns: 1fr; gap: 20px; } }
.afk-label { font: 600 12px var(--font-data); letter-spacing: .08em; text-transform: uppercase; color: var(--text-secondary, var(--ink-500)); margin: 0 0 10px; }
.afk-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.afk-chip { flex: 1; font: 600 13.5px var(--font-sans); padding: 10px 8px; border: 1px solid var(--border-default, var(--paper-4)); border-radius: 999px; background: var(--surface-card, var(--paper-0)); color: var(--text-secondary, var(--ink-500)); cursor: pointer; transition: background .12s, color .12s, border-color .12s; white-space: nowrap; }
.afk-chip:hover { border-color: var(--green-500); color: var(--ink-900); }
.afk-chip.is-on { background: var(--green-700); border-color: var(--green-700); color: #fff; }
.afk-chip:focus-visible { outline: 2px solid var(--green-500); outline-offset: 2px; }
.afk-pie { font-size: 13px; color: var(--text-muted, var(--ink-400)); margin: 9px 0 0; min-height: 2.6em; }

/* ── la curva: es el mando ── */
.afk-curva { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--paper-3); }
.afk-curva__cab { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; margin-bottom: 6px; }
.afk-curva__titulo { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; margin: 0; color: var(--ink-900); }
.afk-curva__ayuda { font-size: 13px; color: var(--text-muted, var(--ink-400)); margin: 0; }
.afk-curva svg { display: block; width: 100%; height: auto; touch-action: none; }
.afk-leyenda { display: flex; gap: 18px; flex-wrap: wrap; font: 500 10.5px var(--font-data); letter-spacing: .06em; text-transform: uppercase; color: var(--text-muted, var(--ink-400)); margin-top: 10px; }
.afk-leyenda span { display: flex; align-items: center; gap: 6px; }
.afk-muestra { width: 16px; height: 0; border-top: 2px solid; display: inline-block; }
.afk-muestra--disc { border-top-style: dashed; }

/* ── ajustar la propuesta (capa de sobreescritura) ── */
.afk-ajustar { margin-top: 24px; border-top: 1px solid var(--paper-3); padding-top: 16px; }
.afk-ajustar summary { cursor: pointer; font: 600 12px var(--font-data); letter-spacing: .08em; text-transform: uppercase; color: var(--grape, #6B3F5B); list-style: none; }
.afk-ajustar summary::-webkit-details-marker { display: none; }
.afk-ajustar summary::before { content: "+ "; font-weight: 700; }
.afk-ajustar[open] summary::before { content: "− "; }
#akAjustarResumen { color: var(--amber-700, #A8541E); text-transform: none; letter-spacing: 0; font-size: 12px; }
.afk-ajustar__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 20px; }
@media (max-width: 680px) { .afk-ajustar__grid { grid-template-columns: 1fr; } }
.afk-volver { margin-top: 18px; background: none; border: 1px solid var(--border-default, var(--paper-4)); border-radius: 999px; font: 500 13px var(--font-sans); padding: 8px 14px; cursor: pointer; color: var(--text-secondary, var(--ink-500)); }
.afk-volver:hover { border-color: var(--grape, #6B3F5B); color: var(--grape, #6B3F5B); }

/* ── la propuesta ── */
.afk-propuesta { margin-top: 40px; }
.afk-bloque { font: 600 12px var(--font-data); letter-spacing: .1em; text-transform: uppercase; color: var(--text-secondary, var(--ink-500)); margin: 0 0 14px; padding-bottom: 8px; border-bottom: 1px solid var(--paper-3); }
.afk-cants { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 2px; background: var(--paper-3); border: 1px solid var(--paper-3); border-radius: 14px; overflow: hidden; }
.afk-cant { background: var(--surface-card, var(--paper-0)); padding: 18px 16px; }
.afk-cant__v { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.6rem, 4.4vw, 2.1rem); line-height: 1; display: block; color: var(--ink-900); }
.afk-cant__u { font-size: .55em; font-weight: 400; color: var(--text-muted, var(--ink-400)); margin-left: 3px; }
.afk-cant__q { font-size: 13.5px; color: var(--text-secondary, var(--ink-500)); margin-top: 7px; display: block; }

.afk-calendario { margin-top: 34px; }
.afk-tramo { display: grid; grid-template-columns: auto 1fr; gap: 0 18px; align-items: start; padding: 16px 0; border-bottom: 1px solid var(--paper-3); }
.afk-tramo:first-of-type { border-top: 1px solid var(--paper-3); }
.afk-marca { font: 700 10px var(--font-data); letter-spacing: .1em; text-transform: uppercase; color: #fff; background: var(--ink-900); padding: 4px 9px; border-radius: 6px; white-space: nowrap; }
.afk-marca--abierta { background: var(--green-600); }
.afk-marca--cerrada { background: var(--grape, #6B3F5B); }
.afk-tramo__hora { font-family: var(--font-data); font-size: 15px; line-height: 1.5; color: var(--ink-900); }
.afk-tramo__nota { font-size: 13.5px; color: var(--text-secondary, var(--ink-500)); margin-top: 3px; }

.afk-trueque { margin-top: 30px; padding: 20px 22px; background: var(--surface-card, var(--paper-0)); border-left: 3px solid var(--grape, #6B3F5B); border-radius: 0 12px 12px 0; }
.afk-trueque + .afk-trueque { margin-top: 10px; }
.afk-trueque p { margin: 0; font-size: 15px; color: var(--ink-700); }
.afk-firma { font: 700 10px var(--font-data); letter-spacing: .12em; text-transform: uppercase; color: var(--grape, #6B3F5B); margin-bottom: 8px; display: block; }

.afk-avisos { margin-top: 24px; display: grid; gap: 10px; }
/* La infrafermentación pesa lo MISMO que pasarse: mismo estilo, misma caja. */
.afk-aviso-duro { padding: 16px 18px; background: var(--amber-050, #FBF3EC); border: 1px solid var(--amber-200, #E0BFA0); border-radius: 12px; font-size: 14.5px; color: var(--ink-700); }

.afk-numeros { margin-top: 24px; }
.afk-numeros summary { cursor: pointer; font: 600 12px var(--font-data); letter-spacing: .08em; text-transform: uppercase; color: var(--text-secondary, var(--ink-500)); list-style: none; }
.afk-numeros summary::-webkit-details-marker { display: none; }
.afk-numeros summary::before { content: "+ "; font-weight: 700; }
.afk-numeros[open] summary::before { content: "− "; }
.afk-numeros table { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 14px; }
.afk-numeros th, .afk-numeros td { text-align: left; padding: 9px 0; border-bottom: 1px solid var(--paper-3); vertical-align: top; }
.afk-numeros th { font-weight: 400; color: var(--text-secondary, var(--ink-500)); width: 44%; }
.afk-numeros td { font-family: var(--font-data); font-size: 13.5px; color: var(--ink-900); }
.afk-glosa { font-family: var(--font-sans); font-size: 12.5px; color: var(--text-muted, var(--ink-400)); display: block; margin-top: 2px; }
.afk-blandos { margin: 16px 0 0; padding: 0; list-style: none; font-size: 13.5px; color: var(--text-secondary, var(--ink-500)); }
.afk-blandos li { padding: 7px 0 7px 16px; position: relative; }
.afk-blandos li::before { content: "·"; position: absolute; left: 4px; }

/* ── el cierre ── */
.afk-cierre { margin-top: 52px; padding: 28px 26px; background: var(--ink-900); color: var(--paper-1); border-radius: 18px; }
.afk-cierre > p { margin: 0 0 20px; font-size: clamp(1.05rem, 2.6vw, 1.2rem); max-width: 46ch; line-height: 1.45; }
.afk-acciones { display: flex; gap: 12px; flex-wrap: wrap; }
.afk-cierre .btn--ghost { color: var(--paper-1); border-color: rgba(252, 251, 247, .35); background: transparent; }
.afk-cierre .btn--ghost:hover { border-color: var(--paper-1); }

.afk-correo { margin-top: 22px; padding-top: 20px; border-top: 1px solid rgba(252, 251, 247, .2); }
.afk-correo h3 { font-family: var(--font-display); font-size: 1.05rem; margin: 0 0 6px; }
.afk-correo p { font-size: 14px; margin: 0 0 14px; color: rgba(252, 251, 247, .8); }
.afk-correo__campos { display: flex; gap: 10px; flex-wrap: wrap; }
.afk-correo__campos input { flex: 1 1 180px; font: 500 14px var(--font-sans); padding: 11px 14px; border-radius: 10px; border: 1px solid rgba(252, 251, 247, .3); background: rgba(252, 251, 247, .08); color: var(--paper-0); }
.afk-correo__campos input::placeholder { color: rgba(252, 251, 247, .5); }
.afk-check { display: block; font-size: 13px; margin-top: 10px; color: rgba(252, 251, 247, .8); }
.afk-micro { font-size: 12px; color: rgba(252, 251, 247, .6); margin-top: 12px; }
.afk-micro a { color: inherit; }
.afk-ok { font-size: 14px; color: var(--green-400); margin-top: 10px; }

/* ── limitador y error: la última propuesta nunca se borra ── */
/* Encima del instrumento, con el borde ámbar de los avisos: es una explicación
   de qué ha pasado, no un banner de venta. */
.afk-limite { margin: 0 0 18px; padding: 24px; background: var(--amber-050, #FBF3EC); border: 1px solid var(--amber-200, #E0BFA0); border-radius: 16px; }
.afk-limite h3 { font-family: var(--font-display); margin: 0 0 8px; }
.afk-limite p { margin: 0 0 16px; color: var(--text-secondary, var(--ink-500)); }
.afk-error { margin-top: 18px; font-size: 14px; color: var(--amber-700, #A8541E); }

/* ── enlaces cruzados, bajo el CTA ── */
.afk-enlaces { margin-top: 36px; font-size: 14.5px; color: var(--text-secondary, var(--ink-500)); }
.afk-enlaces p { margin: 0 0 8px; }

/* ── prosa ── */
.afk-prosa h2 { font-family: var(--font-display); font-size: clamp(1.25rem, 3vw, 1.55rem); margin: 2.2em 0 .6em; color: var(--ink-900); }
.afk-prosa h2:first-child { margin-top: 0; }
.afk-prosa p, .afk-prosa li { font-size: 15.5px; line-height: 1.7; color: var(--ink-700); }
.afk-prosa blockquote { margin: 1.2em 0; padding: 14px 20px; border-left: 3px solid var(--green-500); background: var(--surface-card, var(--paper-0)); border-radius: 0 12px 12px 0; }
.afk-prosa blockquote strong { color: var(--ink-900); }
.afk-legal { margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--paper-3); font-size: 13px; color: var(--text-muted, var(--ink-400)); }
.afk-legal p { font-size: 13px; margin: 0 0 6px; }

@media (prefers-reduced-motion: reduce) { .afk-panel *, .afk-chip { transition: none !important; } }