/* KiloAKilo — estilos */
:root {
  --bg: #f5f6f2;
  --surface: #ffffff;
  --surface-2: #eceee7;
  --text: #14161a;
  --muted: #5a5f67;
  --line: #dcdfd6;
  --accent: #c6f432;
  --accent-ink: #141c00;
  --accent-text: #3d6010;
  --danger: #c62828;
  --warn: #9a6700;
  --shadow: 0 1px 2px rgba(0,0,0,.05), 0 8px 24px rgba(0,0,0,.06);
  --radius: 16px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0f12;
    --surface: #15181d;
    --surface-2: #1d2128;
    --text: #eef0f3;
    --muted: #9ba2ac;
    --line: #2a2f37;
    --accent-text: #c6f432;
    --danger: #ff6b6b;
    --warn: #f0b429;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--font); -webkit-font-smoothing: antialiased; }
img, svg, canvas { max-width: 100%; }
a { color: var(--accent-text); text-underline-offset: 3px; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(1.9rem, 4.5vw, 2.9rem); font-weight: 850; }
h2 { font-size: clamp(1.35rem, 3vw, 1.75rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 750; }
p { margin: 0 0 1em; }
.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.num { font-variant-numeric: tabular-nums; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--accent-ink); padding: 8px 12px; border-radius: 8px; z-index: 99; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* Cabecera */
.site-header { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.header-in { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 850; font-size: 1.2rem; letter-spacing: -.03em; }
.brand b { color: var(--accent-text); }
.menu-btn { font: inherit; font-weight: 650; background: var(--surface); color: var(--text); border: 1px solid var(--line); border-radius: 999px; padding: 8px 14px; cursor: pointer; }
.menu { display: none; border-top: 1px solid var(--line); background: var(--bg); }
.menu.open { display: block; }
.menu-in { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 6px; padding-top: 12px; padding-bottom: 14px; }
.menu a { display: flex; gap: 10px; align-items: center; padding: 10px 12px; border-radius: 12px; color: var(--text); text-decoration: none; font-weight: 600; }
.menu a:hover, .menu a[aria-current] { background: var(--surface-2); }
.nav-emoji { font-size: 1.15rem; }

/* Portada */
.hero { padding: 56px 0 32px; }
.hero h1 { font-size: clamp(2.2rem, 6.5vw, 4rem); max-width: 16ch; }
.hero h1 em { font-style: normal; background: var(--accent); color: var(--accent-ink); padding: 0 .15em; border-radius: 8px; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.hero .lead { font-size: 1.2rem; max-width: 60ch; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0; padding: 0; list-style: none; }
.pills li { background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; font-size: .9rem; font-weight: 600; }
.section { padding: 28px 0; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.feature { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.feature h3 { margin-bottom: .3em; }

/* Tarjetas */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.card { display: flex; flex-direction: column; gap: 6px; padding: 18px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); color: var(--text); text-decoration: none; transition: transform .15s, border-color .15s, box-shadow .15s; }
.card:hover { transform: translateY(-2px); border-color: var(--accent-text); box-shadow: var(--shadow); }
.card strong { font-size: 1.08rem; }
.card-emoji { font-size: 1.7rem; }
.related { padding: 24px 16px 48px; }

/* Páginas de herramienta */
.crumbs { font-size: .85rem; color: var(--muted); padding-top: 18px; }
.crumbs a { color: var(--muted); }
.page-head { padding: 12px 0 18px; }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 70ch; }
.tool { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); padding: 20px; margin-bottom: 28px; }
.tool-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 24px; align-items: start; }
.tool-grid > * { min-width: 0; }
@media (max-width: 820px) { .tool-grid { grid-template-columns: minmax(0, 1fr); } }
.tool h2 { font-size: 1.15rem; }
.fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field > span, .label { font-size: .82rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
input, select, textarea { font: inherit; font-size: 1.05rem; color: var(--text); background: var(--bg); border: 1.5px solid var(--line); border-radius: 12px; padding: 11px 12px; width: 100%; min-width: 0; }
input:focus, select:focus, textarea:focus { border-color: var(--accent-text); outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 40%, transparent); }
input[type=checkbox] { width: 20px; height: 20px; accent-color: var(--accent-text); padding: 0; }
.hint { font-size: .82rem; color: var(--muted); }

.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg label { position: relative; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg span { display: inline-block; padding: 9px 14px; border-radius: 999px; border: 1.5px solid var(--line); background: var(--bg); font-weight: 650; cursor: pointer; font-size: .95rem; user-select: none; }
.seg input:checked + span { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.seg input:focus-visible + span { outline: 3px solid var(--accent); outline-offset: 2px; }

.btn { font: inherit; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 18px; border-radius: 12px; border: 1.5px solid var(--line); background: var(--surface-2); color: var(--text); cursor: pointer; text-decoration: none; }
.btn:hover { border-color: var(--muted); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(.95); border-color: var(--accent); }
.btn-danger { color: var(--danger); }
.btn-sm { padding: 7px 12px; font-size: .9rem; border-radius: 10px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }

.result { background: var(--surface-2); border-radius: 16px; padding: 18px; }
.big { font-size: clamp(2.4rem, 8vw, 3.6rem); font-weight: 850; letter-spacing: -.03em; line-height: 1; font-variant-numeric: tabular-nums; }
.big small { font-size: .45em; font-weight: 700; color: var(--muted); margin-left: 4px; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; margin-top: 14px; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; }
.kpi b { display: block; font-size: 1.25rem; font-variant-numeric: tabular-nums; }
.kpi span { font-size: .78rem; color: var(--muted); font-weight: 650; text-transform: uppercase; letter-spacing: .03em; }

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--line); border-radius: 12px; margin: 12px 0; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; font-size: .95rem; }
th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { background: var(--surface-2); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
tr:last-child td { border-bottom: 0; }
td.hl, tr.hl td { background: color-mix(in srgb, var(--accent) 22%, transparent); font-weight: 750; }
.rpe-table td, .rpe-table th { text-align: center; padding: 7px 8px; }

.note { border-left: 4px solid var(--accent-text); background: var(--surface-2); padding: 10px 14px; border-radius: 0 12px 12px 0; font-size: .92rem; margin: 12px 0; }
.note.warn { border-color: var(--warn); }

/* Barra de discos */
.bar-svg { width: 100%; height: auto; display: block; margin: 8px 0; }
.plate-list { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 0; padding: 0; list-style: none; }
.plate-chip { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); font-weight: 700; font-variant-numeric: tabular-nums; }
.plate-chip i { width: 12px; height: 12px; border-radius: 50%; display: inline-block; border: 1px solid rgba(0,0,0,.25); }
.plates-avail { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.plate-opt { display: flex; align-items: center; gap: 8px; background: var(--bg); border: 1.5px solid var(--line); border-radius: 12px; padding: 6px 10px; }
.plate-opt input[type=number] { width: 64px; padding: 6px 8px; font-size: .95rem; }
.plate-opt label { display: flex; align-items: center; gap: 6px; font-weight: 700; flex: 1; }

/* Temporizador */
.timer { display: grid; place-items: center; gap: 18px; padding: 8px 0; }
.ring { position: relative; width: min(78vw, 320px); aspect-ratio: 1; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring .track { stroke: var(--surface-2); }
.ring .prog { stroke: var(--accent); stroke-linecap: round; transition: stroke-dashoffset .25s linear; }
.ring-label { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; }
.ring-time { font-size: clamp(3rem, 16vw, 5rem); font-weight: 850; font-variant-numeric: tabular-nums; letter-spacing: -.04em; line-height: 1; }
.timer.done .ring-time { color: var(--accent-text); animation: pulse .6s ease-in-out 3; }
@keyframes pulse { 50% { transform: scale(1.08); } }
.presets { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.timer-controls { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.timer-controls .btn { min-width: 110px; padding: 14px 20px; font-size: 1.05rem; }

/* Rutinas */
.routine { display: grid; gap: 16px; }
.day { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--surface); }
.day h3 { margin: 0; padding: 12px 16px; background: var(--surface-2); display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.day h3 small { color: var(--muted); font-weight: 600; font-size: .85rem; }
.day ol { margin: 0; padding: 0; list-style: none; }
.day li { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; padding: 10px 16px; border-top: 1px solid var(--line); }
.day li:first-child { border-top: 0; }
.day .ex { font-weight: 700; }
.day .alt { font-size: .82rem; color: var(--muted); }
.day .sr { font-weight: 750; font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.day .meta { font-size: .8rem; color: var(--muted); text-align: right; white-space: nowrap; }
.vol-bar { height: 10px; border-radius: 99px; background: var(--surface-2); position: relative; overflow: hidden; min-width: 90px; }
.vol-bar i { position: absolute; inset: 0 auto 0 0; background: var(--accent-text); border-radius: 99px; }

/* Diario */
.log-day { border: 1px solid var(--line); border-radius: 14px; margin-bottom: 12px; overflow: hidden; }
.log-day h3 { margin: 0; padding: 10px 14px; background: var(--surface-2); font-size: 1rem; }
.log-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 8px 14px; border-top: 1px solid var(--line); font-variant-numeric: tabular-nums; }
.log-row:first-of-type { border-top: 0; }
.log-row .x { background: none; border: 0; color: var(--muted); cursor: pointer; font-size: 1.1rem; padding: 4px 8px; border-radius: 8px; }
.log-row .x:hover { color: var(--danger); background: var(--surface-2); }
.pr { display: inline-block; font-size: .7rem; font-weight: 800; background: var(--accent); color: var(--accent-ink); border-radius: 6px; padding: 1px 6px; margin-left: 6px; vertical-align: middle; }
.chart { width: 100%; height: 240px; display: block; }
.empty { text-align: center; padding: 28px 12px; color: var(--muted); }

/* Contenido editorial */
.prose { max-width: 760px; padding: 8px 0 12px; }
.prose h2 { margin-top: 1.6em; }
.prose h3 { margin-top: 1.3em; }
.prose ul, .prose ol { padding-left: 1.3em; margin: 0 0 1em; }
.prose li { margin: .3em 0; }
.prose table { font-size: .92rem; }
.faq { margin-top: 2em; }
.faq details { border: 1px solid var(--line); border-radius: 12px; background: var(--surface); margin-bottom: 8px; }
.faq summary { cursor: pointer; font-weight: 700; padding: 14px 16px; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-weight: 800; color: var(--accent-text); }
.faq details[open] summary::after { content: "–"; }
.faq-a { padding: 0 16px 6px; }
.legal { max-width: 800px; padding: 32px 16px 48px; }

/* Pie */
.site-footer { border-top: 1px solid var(--line); padding: 36px 0 28px; background: var(--surface); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 24px; }
@media (max-width: 720px) { .foot-grid { grid-template-columns: 1fr; } }
.foot-h { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 4px 0; }
.site-footer a { color: var(--text); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.disclaimer { margin-top: 24px; max-width: 80ch; }

.toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%) translateY(20px); background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 12px; font-weight: 650; opacity: 0; transition: .25s; z-index: 50; pointer-events: none; max-width: calc(100% - 32px); }
.toast.show { opacity: 1; transform: translateX(-50%); }

@media print {
  .site-header, .site-footer, .related, .prose, .crumbs, .no-print, .btn-row, ins.adsbygoogle { display: none !important; }
  body { background: #fff; color: #000; }
  .tool { box-shadow: none; border: 0; padding: 0; }
  .day { break-inside: avoid; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; scroll-behavior: auto !important; } }

/* Guías */
.guide { padding-top: 4px; padding-bottom: 32px; }
.guide h1 { margin-top: 12px; }
.guide .lead { margin-bottom: .6em; }
.tool-callout { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 12px 16px; margin: 16px 0 24px; font-size: .95rem; }
.tool-callout a { font-weight: 700; white-space: nowrap; }
.guides-box { margin-top: 2em; }
.guides-box .cards { margin-top: 12px; }
.guide-list { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.prose blockquote { margin: 1em 0; padding: 12px 16px; border-left: 4px solid var(--accent-text); background: var(--surface-2); border-radius: 0 12px 12px 0; }
.sources { margin-top: 2em; font-size: .88rem; color: var(--muted); }
.sources h2 { font-size: 1.1rem; color: var(--text); }
.sources li { overflow-wrap: anywhere; }
.src-links a { font-weight: 600; white-space: nowrap; }
.src-note { font-style: italic; }