:root {
  --paper: #F6F4EF;
  --card: #FFFFFF;
  --ink: #161616;
  --ink-2: #55534E;
  --ink-3: #8A877F;
  --line: #E4E0D6;
  --accent: #8FC1AE;
  --ok: #1F8A5B;
  --no: #C2452D;
  --chg: #B7791F;
  --radius: 22px;
  --sans: 'Inter Tight', system-ui, -apple-system, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --safe-b: env(safe-area-inset-bottom, 0px);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #121211; --card: #1C1C1A; --ink: #F2F0EA; --ink-2: #BDB9AF; --ink-3: #8D897F; --line: #2E2D2A;
    --ok: #4CC38A; --no: #F07A5F; --chg: #E3A948; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #121211; --card: #1C1C1A; --ink: #F2F0EA; --ink-2: #BDB9AF; --ink-3: #8D897F; --line: #2E2D2A;
  --ok: #4CC38A; --no: #F07A5F; --chg: #E3A948; color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; -webkit-tap-highlight-color: transparent; }
body.sheet-open { overflow: hidden; }
button { font: inherit; color: inherit; cursor: pointer; }
img, video { display: block; max-width: 100%; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.loading, .empty-page { min-height: 100dvh; display: grid; place-content: center; text-align: center; padding: 24px; color: var(--ink-2); }
.empty-page h1 { color: var(--ink); font-weight: 800; letter-spacing: -0.02em; }

/* ---------- encabezado y navegación ---------- */
.top { display: flex; justify-content: space-between; align-items: center; padding: calc(14px + env(safe-area-inset-top, 0px)) 18px 10px; }
.brand { font-weight: 800; letter-spacing: -0.01em; display: flex; align-items: center; gap: 8px; }
.brand .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 30%, transparent); }
.by { font-family: var(--mono); font-size: 11px; color: var(--ink-3); text-transform: uppercase; letter-spacing: .06em; }
.page { padding: 4px 16px calc(96px + var(--safe-b)); max-width: 760px; margin: 0 auto; }
.tabs { position: fixed; left: 0; right: 0; bottom: 0; z-index: 20; display: grid; grid-template-columns: repeat(4, 1fr); background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-top: 1px solid var(--line); padding: 6px 6px calc(6px + var(--safe-b)); }
.tabs button { border: 0; background: none; padding: 12px 4px; font-size: 13px; font-weight: 600; color: var(--ink-3); border-radius: 12px; position: relative; min-height: 48px; }
.tabs button.on { color: var(--ink); background: var(--card); box-shadow: 0 1px 0 var(--line); }
.badge { display: inline-grid; place-items: center; min-width: 18px; height: 18px; padding: 0 5px; margin-left: 4px; border-radius: 9px; background: var(--ink); color: var(--paper); font-size: 11px; font-weight: 700; }

/* ---------- inicio ---------- */
.hero { padding: 18px 2px 8px; }
.hero h1 { font-size: clamp(40px, 11vw, 64px); font-weight: 800; letter-spacing: -0.04em; margin: 8px 0 6px; line-height: .95; }
.lead { font-size: 19px; line-height: 1.4; color: var(--ink-2); margin: 10px 0 20px; }
.lead b { color: var(--ink); }
.hint { font-size: 13px; color: var(--ink-3); margin: 12px 0 0; }
.intro { margin-top: 22px; padding: 14px 16px; border-left: 3px solid var(--accent); background: var(--card); border-radius: 0 14px 14px 0; font-size: 15px; line-height: 1.5; color: var(--ink-2); }
.btn-primary { appearance: none; border: 0; background: var(--ink); color: var(--paper); font-weight: 700; font-size: 18px; padding: 18px 26px; border-radius: 999px; min-height: 56px; width: 100%; max-width: 420px; box-shadow: 0 8px 24px -12px rgba(0,0,0,.4); }
.btn-primary:active { transform: scale(.98); }
.btn-ghost { appearance: none; border: 1px solid var(--line); background: var(--card); font-weight: 600; padding: 14px 20px; border-radius: 999px; min-height: 48px; }
.btn-ghost.wide { width: 100%; margin-top: 8px; }
.block { margin-top: 30px; }
.block h2 { font-size: 13px; font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); font-weight: 500; margin: 0 0 12px; }
.mini-list { display: grid; gap: 8px; }
.mini { display: grid; grid-template-columns: 56px 1fr; gap: 12px; align-items: center; text-align: left; border: 1px solid var(--line); background: var(--card); border-radius: 16px; padding: 8px; width: 100%; }
.mini .thumb { width: 56px; height: 56px; border-radius: 10px; overflow: hidden; background: var(--paper); display: grid; place-items: center; }
.mini .thumb img, .mini .thumb video { width: 100%; height: 100%; object-fit: cover; }
.mini .thumb em { font-style: normal; font-weight: 800; color: var(--ink-3); }
.mini-txt { display: grid; gap: 2px; min-width: 0; }
.mini-txt b { font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mini-txt small { font-size: 13px; color: var(--ink-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.mini-pills { grid-column: 2; display: flex; gap: 6px; flex-wrap: wrap; }

/* ---------- pastillas ---------- */
.pill { display: inline-flex; align-items: center; height: 24px; padding: 0 10px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; border: 1px solid transparent; }
.pill.stage { background: color-mix(in srgb, var(--accent) 28%, var(--card)); color: var(--ink); }
.st-pend { background: var(--paper); border-color: var(--line); color: var(--ink-2); }
.st-ok, .v-ok { background: color-mix(in srgb, var(--ok) 14%, var(--card)); color: var(--ok); }
.st-no, .v-no { background: color-mix(in srgb, var(--no) 12%, var(--card)); color: var(--no); }
.st-chg { background: color-mix(in srgb, var(--chg) 14%, var(--card)); color: var(--chg); }
.v-test { background: var(--paper); border-color: var(--line); color: var(--ink-2); }
.pill.live { background: var(--ink); color: var(--paper); }
.pills { display: flex; flex-wrap: wrap; gap: 6px; }

/* ---------- listas ---------- */
.page-title { font-size: 40px; font-weight: 800; letter-spacing: -0.035em; margin: 14px 0 4px; }
.page-sub { color: var(--ink-2); line-height: 1.45; margin: 0 0 16px; }
.filters { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 4px; scrollbar-width: none; margin: 0 -16px; padding-left: 16px; padding-right: 16px; }
.filters::-webkit-scrollbar { display: none; }
.filters button { flex: none; border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 9px 14px; font-size: 14px; font-weight: 600; min-height: 40px; color: var(--ink-2); }
.filters button.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.board-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.board-head h2 { margin-bottom: 6px; }
.period { font-family: var(--mono); font-size: 12px; color: var(--ink-3); white-space: nowrap; }
.board-sum { color: var(--ink-2); line-height: 1.5; margin: 0 0 14px; font-size: 15px; }
.goal { font-size: 15px; line-height: 1.5; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; margin: 0; }
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.masonry { columns: 2; column-gap: 10px; }
.masonry .card-sm { break-inside: avoid; margin-bottom: 10px; }
@media (min-width: 680px) { .grid { grid-template-columns: repeat(3, 1fr); } .masonry { columns: 3; } }
.card-sm { display: flex; flex-direction: column; width: 100%; text-align: left; border: 1px solid var(--line); background: var(--card); border-radius: 18px; overflow: hidden; padding: 0; }
.card-sm .media { aspect-ratio: 4 / 5; }
.masonry .card-sm .media { aspect-ratio: auto; }
.masonry .card-sm .media img { height: auto; }
.card-sm-body { display: grid; gap: 6px; padding: 10px 12px 12px; }
.card-sm-body b { font-size: 15px; line-height: 1.25; }
.card-sm-body small { font-size: 13px; color: var(--ink-2); line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.empty { padding: 40px 0; text-align: center; color: var(--ink-3); }

/* ---------- medios ---------- */
.media { position: relative; background: #0d0d0c; overflow: hidden; }
.media .slides { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; height: 100%; scrollbar-width: none; }
.media .slides::-webkit-scrollbar { display: none; }
.media img, .media video { width: 100%; height: 100%; object-fit: cover; flex: none; scroll-snap-align: start; user-select: none; -webkit-user-drag: none; }
.media.big img, .media.big video { object-fit: contain; }
.media.big { max-height: 58dvh; aspect-ratio: 4 / 5; margin: 0 auto; }
.deck .media.big { max-height: 44dvh; }
.media .dots { position: absolute; bottom: 10px; left: 0; right: 0; display: flex; justify-content: center; gap: 5px; }
.media .dots i { width: 6px; height: 6px; border-radius: 3px; background: rgba(255,255,255,.5); }
.media .dots i.on { background: #fff; width: 16px; }
.media-empty { display: grid; align-content: end; gap: 8px; padding: 18px; background: linear-gradient(160deg, color-mix(in srgb, var(--accent) 55%, var(--card)), color-mix(in srgb, var(--accent) 15%, var(--card))); color: var(--ink); aspect-ratio: 4 / 5; }
.media-empty span { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }
.media-empty strong { font-size: 20px; line-height: 1.15; letter-spacing: -0.02em; font-weight: 800; }
.media-empty.big { aspect-ratio: auto; min-height: 260px; }
.media-empty.big strong { font-size: 30px; }

/* ---------- revisión ---------- */
body[data-screen="revisar"] { overscroll-behavior: none; }
.deck { min-height: 100dvh; display: flex; flex-direction: column; max-width: 560px; margin: 0 auto; padding: calc(10px + env(safe-area-inset-top, 0px)) 12px 0; }
.deck-top { display: grid; grid-template-columns: 44px 1fr 44px; align-items: center; gap: 10px; padding-bottom: 10px; }
.icon-btn { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); background: var(--card); font-size: 16px; display: grid; place-items: center; }
.progress { height: 6px; border-radius: 3px; background: var(--line); overflow: hidden; }
.progress i { display: block; height: 100%; background: var(--ink); transition: width .3s; }
.count { font-family: var(--mono); font-size: 13px; color: var(--ink-2); text-align: right; }
.stack { position: relative; flex: 1; }
.card { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: 0 18px 40px -24px rgba(0,0,0,.35); touch-action: pan-y; will-change: transform; }
.card.dragging { transition: none; }
.card:not(.dragging) { transition: transform .25s ease; }
.card.ghost { position: absolute; inset: 0; transform: scale(.95) translateY(12px); opacity: .6; pointer-events: none; }
.card.ghost .media { max-height: 58dvh; aspect-ratio: 4/5; }
.stamp { position: absolute; top: 22px; z-index: 3; font-family: var(--mono); font-weight: 500; font-size: 20px; letter-spacing: .1em; padding: 6px 12px; border: 3px solid; border-radius: 10px; background: rgba(255,255,255,.9); pointer-events: none; }
.stamp.ok { left: 18px; color: var(--ok); transform: rotate(-12deg); opacity: var(--pok, 0); }
.stamp.no { right: 18px; color: var(--no); transform: rotate(12deg); opacity: var(--pno, 0); }
.card-body { padding: 14px 16px 16px; display: grid; gap: 10px; }
.card-body h2 { font-size: 24px; letter-spacing: -0.025em; line-height: 1.1; margin: 0; font-weight: 800; }
.meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.fmt { font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
.board-tag { font-size: 12px; color: var(--ink-3); }
.hook { margin: 0; font-size: 17px; line-height: 1.35; color: var(--ink-2); }
details summary { list-style: none; cursor: pointer; }
details summary::-webkit-details-marker { display: none; }
.why { background: color-mix(in srgb, var(--accent) 16%, var(--card)); border-radius: 14px; padding: 12px 14px; }
.why summary { font-size: 15px; line-height: 1.4; }
.why-label { display: inline-block; font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; background: var(--ink); color: var(--paper); border-radius: 6px; padding: 2px 6px; margin-right: 4px; vertical-align: 1px; }
.why summary::after { content: ' Ver más'; color: var(--ink-3); font-size: 13px; font-weight: 600; }
.why[open] summary::after { content: ''; }
.why-body { margin-top: 10px; display: grid; gap: 8px; font-size: 14px; line-height: 1.5; color: var(--ink-2); }
.why-body p { margin: 0; }
.why-body b { color: var(--ink); }
.hyp { border-left: 3px solid var(--ink); padding-left: 10px; display: grid; gap: 4px; }
.result { background: var(--card); border-radius: 10px; padding: 8px 10px; }
.copy { border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; }
.copy summary { font-weight: 600; font-size: 15px; }
.copy summary::after { content: ' +'; color: var(--ink-3); }
.copy[open] summary::after { content: ' –'; }
.copy-body { margin-top: 10px; font-size: 15px; line-height: 1.55; color: var(--ink-2); }
.ref-link { font-weight: 600; color: var(--ink); }
.comments { display: grid; gap: 6px; }
.cmt { font-size: 14px; line-height: 1.4; background: var(--paper); border-radius: 12px; padding: 8px 10px; }
.cmt.agencia { background: color-mix(in srgb, var(--accent) 18%, var(--card)); }
.cmt .who { font-weight: 700; margin-right: 6px; }
.chip-static { font-weight: 600; }
.actions { position: sticky; bottom: 0; display: grid; grid-template-columns: 1fr .8fr 1fr; gap: 10px; padding: 14px 4px calc(14px + var(--safe-b)); background: linear-gradient(to top, var(--paper) 70%, transparent); }
.act { border: 0; border-radius: 22px; min-height: 64px; display: grid; place-items: center; gap: 0; padding: 8px; font-weight: 700; background: var(--card); box-shadow: 0 1px 0 var(--line), 0 8px 18px -12px rgba(0,0,0,.3); }
.act span { font-size: 24px; line-height: 1; }
.act small { font-size: 12px; margin-top: 2px; }
.act.ok { background: var(--ok); color: #fff; }
.act.no { color: var(--no); border: 2px solid color-mix(in srgb, var(--no) 40%, var(--line)); }
.act.chg { color: var(--chg); }
.act:active { transform: scale(.96); }
.actions.in-sheet { position: static; background: none; padding: 8px 0 0; }
.deck-done { min-height: 100dvh; display: grid; place-content: center; text-align: center; padding: 24px; max-width: 460px; margin: 0 auto; gap: 8px; }
.deck-done h1 { font-size: 40px; letter-spacing: -0.035em; margin: 6px 0; }
.deck-done p { color: var(--ink-2); line-height: 1.5; font-size: 17px; margin-bottom: 20px; }
.done-mark { width: 84px; height: 84px; margin: 0 auto; border-radius: 50%; background: var(--accent); display: grid; place-items: center; font-size: 40px; font-weight: 800; }

/* ---------- hoja inferior ---------- */
.scrim { position: fixed; inset: 0; background: rgba(0,0,0,.35); z-index: 40; }
.sheet { position: fixed; left: 0; right: 0; bottom: 0; z-index: 41; background: var(--card); border-radius: 24px 24px 0 0; padding: 10px 16px calc(18px + var(--safe-b)); max-height: 92dvh; overflow-y: auto; transform: translateY(100%); transition: transform .25s ease; max-width: 640px; margin: 0 auto; }
.sheet.in { transform: none; }
.sheet.detail { padding-top: 10px; }
.sheet.detail .media.big { border-radius: 16px; margin-top: 6px; }
.sheet.detail .card-body { padding: 14px 2px 4px; }
.sheet-x { position: absolute; right: 12px; top: 12px; z-index: 2; }
.grab { width: 40px; height: 5px; border-radius: 3px; background: var(--line); margin: 0 auto 10px; }
.sheet h3 { margin: 4px 0 2px; font-size: 22px; letter-spacing: -0.02em; }
.sheet-sub { margin: 0 0 14px; color: var(--ink-3); font-size: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.chip { border: 1px solid var(--line); background: var(--paper); border-radius: 999px; padding: 10px 14px; font-size: 15px; font-weight: 600; min-height: 44px; }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.sheet textarea { width: 100%; border: 1px solid var(--line); border-radius: 14px; padding: 12px; font: inherit; font-size: 16px; background: var(--paper); color: var(--ink); resize: vertical; }
.sheet-actions { display: grid; grid-template-columns: 1fr 1.4fr; gap: 10px; margin-top: 12px; }
.sheet-actions .btn-primary { font-size: 16px; padding: 14px; min-height: 50px; }

/* ---------- toast ---------- */
#toast { position: fixed; left: 50%; bottom: calc(96px + var(--safe-b)); transform: translate(-50%, 20px); opacity: 0; pointer-events: none; z-index: 60; background: var(--ink); color: var(--paper); border-radius: 16px; padding: 10px 10px 10px 16px; display: flex; align-items: center; gap: 12px; font-size: 14px; max-width: calc(100vw - 32px); transition: .2s; }
#toast.show { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
#toast span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.toast-btn { border: 0; background: var(--accent); color: #111; font-weight: 700; padding: 8px 12px; border-radius: 10px; min-height: 36px; flex: none; }
body[data-screen="revisar"] #toast { bottom: calc(110px + var(--safe-b)); }

/* ---------- el porqué ---------- */
.stages { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.stages li { display: grid; grid-template-columns: 96px 1fr; gap: 10px; align-items: center; font-size: 15px; color: var(--ink-2); background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 10px 12px; }
.stages .pill { justify-content: center; }
.learn { display: grid; gap: 8px; }
.learn-row { display: grid; gap: 4px; justify-items: start; text-align: left; border: 1px solid var(--line); background: var(--card); border-radius: 14px; padding: 12px 14px; width: 100%; }
.learn-row span { color: var(--ink-2); font-size: 14px; line-height: 1.45; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

.deck-sub { display: flex; justify-content: flex-end; margin: -4px 0 8px; }
.link-btn { border: 0; background: none; color: var(--ink-2); font-weight: 600; font-size: 14px; padding: 8px 4px; min-height: 40px; }
.testing { margin: 0; font-size: 14px; color: var(--ink-2); font-family: var(--mono); }
.testing b { color: var(--ink); }
.locked { margin: 10px 0 0; padding: 12px 14px; border-radius: 14px; background: var(--paper); color: var(--ink-2); font-size: 14px; }