:root {
  --bg: #fff7f9;
  --surface: #ffffff;
  --surface-2: #fdeef2;
  --text: #2a1d24;
  --muted: #7d6a73;
  --line: #f0dde4;
  --primary: #e2557a;
  --primary-ink: #ffffff;
  --primary-soft: #fbdbe4;
  --period: #e2557a;
  --predicted: #f2a2b8;
  --fertile: #b9e6ee;
  --fertile-ink: #1f7c8e;
  --ovulation: #2a9db3;
  --preg: #9b7be0;
  --ok: #2f9e6b;
  --warn: #c7741a;
  --danger: #d23b4f;
  --shadow: 0 6px 24px rgba(160, 60, 95, 0.08);
  --radius: 20px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #17111a; --surface: #221a26; --surface-2: #2c2231; --text: #f6eaf0; --muted: #b19fab; --line: #3a2e40;
    --primary: #f0708f; --primary-soft: #4a2536; --period: #f0708f; --predicted: #8f4a60; --fertile: #1e4a55;
    --fertile-ink: #8fdbe9; --ovulation: #46c0d6; --shadow: 0 6px 24px rgba(0, 0, 0, 0.35); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #17111a; --surface: #221a26; --surface-2: #2c2231; --text: #f6eaf0; --muted: #b19fab; --line: #3a2e40;
  --primary: #f0708f; --primary-soft: #4a2536; --period: #f0708f; --predicted: #8f4a60; --fertile: #1e4a55;
  --fertile-ink: #8fdbe9; --ovulation: #46c0d6; --shadow: 0 6px 24px rgba(0, 0, 0, 0.35); color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-tap-highlight-color: transparent; overflow-x: hidden;
}
#view { max-width: 520px; margin: 0 auto; padding: calc(env(safe-area-inset-top) + 12px) 16px calc(96px + env(safe-area-inset-bottom)); outline: none; }
h1 { font-size: 1.6rem; margin: 0; line-height: 1.2; }
h2 { font-size: 1.05rem; margin: 0 0 10px; }
p { margin: 0 0 10px; }
a { color: var(--primary); text-decoration: none; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.center { text-align: center; }
.cap::first-letter { text-transform: uppercase; }
.row { display: flex; gap: 8px; align-items: center; }
.row.wrap { flex-wrap: wrap; }
.row-end { display: flex; gap: 8px; justify-content: flex-end; margin-top: 14px; }

/* Iconos SVG */
.i { width: 1.15em; height: 1.15em; flex: none; display: inline-block; vertical-align: -0.2em; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ib { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; flex: none; }
.ib .i { width: 18px; height: 18px; }
.ib-primary { background: var(--primary-soft); color: var(--primary); }
.ib-fertile { background: var(--fertile); color: var(--fertile-ink); }
.ib-preg { background: color-mix(in srgb, var(--preg) 18%, transparent); color: var(--preg); }
.ib-muted { background: var(--surface-2); color: var(--muted); }
.ib-warn { background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); }
.h-ic { display: inline-flex; align-items: center; gap: 8px; }
.h-ic .i { color: var(--primary); }
.hero-ic { display: grid; place-items: center; width: 88px; height: 88px; margin: 10px auto; border-radius: 28px; background: var(--primary-soft); color: var(--primary); }
.hero-ic .i { width: 44px; height: 44px; stroke-width: 1.75; }
.hero-logo { display: block; width: 96px; height: 96px; margin: 10px auto; border-radius: 26%; box-shadow: var(--shadow); }
.chip-ic { display: inline-flex; }
.chip-ic .i + .i { margin-left: -5px; }
.btn .i { width: 18px; height: 18px; }

/* Barra superior */
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 8px 0 16px; }
.topbar.sticky { position: sticky; top: 0; z-index: 5; background: var(--bg); padding: 8px 0; margin-top: 0; }
.topbar .center { flex: 1; }
.eyebrow { margin: 0 0 2px; color: var(--muted); font-size: .85rem; }
.eyebrow::first-letter { text-transform: uppercase; }
.h-sm { font-size: 1.15rem; }
.icon-btn {
  display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; border: 0;
  background: var(--surface); color: var(--text); font-size: 1.2rem; box-shadow: var(--shadow); cursor: pointer; flex: none;
}
.icon-btn.ghost { visibility: hidden; }
.icon-btn.big { width: 52px; height: 52px; font-size: 1.6rem; }

/* Tarjetas */
.card { background: var(--surface); border-radius: var(--radius); padding: 16px; margin-bottom: 14px; box-shadow: var(--shadow); }
.card.accent { background: linear-gradient(135deg, var(--primary-soft), var(--surface)); }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 6px; }
.card-head h2 { margin: 0; }
.card-icon { font-size: 1.8rem; margin-bottom: 4px; }
.warn-card { border: 1px solid color-mix(in srgb, var(--warn) 40%, transparent); }

/* Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 44px; padding: 10px 18px;
  border-radius: 999px; border: 0; font: inherit; font-weight: 600; cursor: pointer; text-align: center;
}
.btn.block { display: flex; width: 100%; margin-top: 10px; }
.btn.primary { background: var(--primary); color: var(--primary-ink); }
.btn.secondary { background: var(--primary-soft); color: var(--primary); }
.btn.ghost { background: transparent; color: var(--primary); }
.btn.danger { background: color-mix(in srgb, var(--danger) 14%, transparent); color: var(--danger); }
.btn:active { transform: scale(.98); }
.center-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin: 4px 0 18px; }
.link { font-weight: 600; font-size: .9rem; }

/* Tira semanal */
.week-strip { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; margin-bottom: 8px; }
.wd { display: flex; flex-direction: column; align-items: center; gap: 4px; color: var(--text); }
.wd-name { font-size: .75rem; color: var(--muted); text-transform: uppercase; }
.wd-num { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; font-weight: 600; }
.wd.is-today .wd-num { outline: 2px solid var(--text); outline-offset: 2px; }
.wd-dot { width: 5px; height: 5px; border-radius: 50%; }
.wd-dot.on { background: var(--muted); }

/* Colores por tipo de día (compartido) */
.day-period, .cal-cell.day-period { background: var(--period); color: #fff; }
.day-predicted, .cal-cell.day-predicted { background: transparent; box-shadow: inset 0 0 0 2px var(--predicted); border: 0; color: var(--period); }
.day-fertile, .cal-cell.day-fertile { background: var(--fertile); color: var(--fertile-ink); }
.day-ovulation, .cal-cell.day-ovulation { background: var(--fertile); color: var(--fertile-ink); box-shadow: inset 0 0 0 2px var(--ovulation); }

/* Anillo del ciclo */
.ring-wrap { position: relative; width: min(84vw, 320px); aspect-ratio: 1; margin: 6px auto 12px; }
.ring { width: 100%; height: 100%; }
.seg { fill: none; stroke-width: 22; stroke-linecap: butt; }
.seg-none { stroke: var(--line); }
.seg-period { stroke: var(--period); }
.seg-predicted { stroke: var(--predicted); }
.seg-fertile { stroke: var(--fertile); }
.seg-ovulation { stroke: var(--ovulation); }
.seg-preg { stroke: var(--preg); stroke-linecap: round; }
.ring-marker { fill: var(--surface); stroke: var(--text); stroke-width: 4; }
.ring-center {
  position: absolute; inset: 16%; display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; border-radius: 50%; background: var(--surface); box-shadow: var(--shadow); padding: 8px;
}
.ring-center small { color: var(--muted); font-size: .9rem; }
.ring-center strong { font-size: clamp(1.7rem, 8vw, 2.3rem); line-height: 1.1; color: var(--primary); }
.ring-center span { font-size: .85rem; color: var(--muted); }
.chance { margin-top: 6px; font-style: normal; font-size: .72rem; padding: 3px 8px; border-radius: 999px; background: var(--surface-2); color: var(--muted); }
.chance-alta { background: var(--fertile); color: var(--fertile-ink); font-weight: 600; }
.chance-media { background: color-mix(in srgb, var(--fertile) 60%, transparent); color: var(--fertile-ink); }

/* Etiquetas, listas */
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 4px; }
.tag { padding: 5px 10px; border-radius: 999px; background: var(--surface-2); font-size: .85rem; }
.pill { padding: 3px 10px; border-radius: 999px; font-size: .78rem; font-weight: 600; background: var(--surface-2); color: var(--muted); white-space: nowrap; }
.phase-menstrual { background: var(--primary-soft); color: var(--primary); }
.phase-fertile, .phase-ovulation { background: var(--fertile); color: var(--fertile-ink); }
.tips { margin: 6px 0 0; padding-left: 18px; color: var(--muted); }
.tips li { margin-bottom: 4px; }
.list { list-style: none; margin: 0; padding: 0; }
.list li { display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 8px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.list li:last-child { border-bottom: 0; }
.list b { text-align: right; font-size: .9rem; }
.li-ic { font-size: 1.1rem; }
.progress { height: 10px; border-radius: 99px; background: var(--surface-2); overflow: hidden; margin-top: 8px; }
.progress span { display: block; height: 100%; background: var(--preg); border-radius: 99px; }
.baby { display: flex; align-items: center; gap: 14px; }
.baby .hero-ic { margin: 0; width: 64px; height: 64px; border-radius: 20px; background: color-mix(in srgb, var(--preg) 18%, transparent); color: var(--preg); }
.baby .hero-ic .i { width: 32px; height: 32px; }
.warn-ic .i { color: var(--warn); }
.option .ib { width: 44px; height: 44px; }
.option .ib .i { width: 22px; height: 22px; }
.status .i { vertical-align: -0.25em; }
.keypad .i { width: 26px; height: 26px; }
.seg-ctl .i, .chip .i { width: 1.1em; height: 1.1em; }
.disclaimer { color: var(--muted); font-size: .75rem; text-align: center; margin: 18px 8px; }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 12px; border-radius: 999px; border: 1.5px solid var(--line);
  background: var(--surface); color: var(--text); font: inherit; font-size: .9rem; cursor: pointer; min-height: 40px;
}
.chip.on { background: var(--primary-soft); border-color: var(--primary); color: var(--primary); font-weight: 600; }
.chip-ic { font-size: 1rem; }

/* Interruptor */
.switch { position: relative; display: inline-block; width: 50px; height: 30px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; position: absolute; }
.switch span { position: absolute; inset: 0; border-radius: 99px; background: var(--line); transition: .2s; cursor: pointer; }
.switch span::after { content: ""; position: absolute; left: 3px; top: 3px; width: 24px; height: 24px; border-radius: 50%; background: #fff; transition: .2s; box-shadow: 0 1px 3px rgba(0,0,0,.2); }
.switch input:checked + span { background: var(--primary); }
.switch input:checked + span::after { transform: translateX(20px); }
.switch input:focus-visible + span { outline: 2px solid var(--primary); outline-offset: 2px; }

/* Formularios */
input[type=text], input[type=number], input[type=date], input[type=time], input[type=password], select, textarea {
  width: 100%; font: inherit; color: var(--text); background: var(--surface-2); border: 1.5px solid transparent;
  border-radius: 12px; padding: 10px 12px; min-height: 44px;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); }
textarea { resize: vertical; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: .9rem; font-weight: 600; margin-bottom: 12px; }
.field small { font-weight: 400; color: var(--muted); }
.field.inline { flex-direction: row; align-items: center; justify-content: space-between; }
.field.inline input { width: auto; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0 12px; }
.measure { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; }
.measure label { display: flex; flex-direction: column; gap: 6px; font-size: .85rem; }
.unit { color: var(--muted); font-size: .75rem; }
.water { display: flex; align-items: center; gap: 10px; margin-top: 14px; }
.water > span:first-child { flex: 1; font-weight: 600; }
.water b { font-size: 1.3rem; min-width: 22px; text-align: center; }

/* Control segmentado */
.seg-ctl { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.seg-ctl button { flex: 1 1 auto; min-height: 42px; border-radius: 12px; border: 1.5px solid var(--line); background: var(--surface); color: var(--text); font: inherit; font-size: .9rem; cursor: pointer; padding: 8px 10px; }
.seg-ctl button.on { border-color: var(--primary); background: var(--primary-soft); color: var(--primary); font-weight: 600; }

/* Recordatorios */
.status { padding: 10px 12px; border-radius: 12px; background: var(--surface-2); font-size: .88rem; }
.status.ok { background: color-mix(in srgb, var(--ok) 14%, transparent); color: var(--ok); }
.status.warn { background: color-mix(in srgb, var(--warn) 14%, transparent); color: var(--warn); }
.rems { list-style: none; padding: 0; margin: 0 0 12px; }
.rem { border-bottom: 1px solid var(--line); padding: 10px 0; }
.rem.off b { color: var(--muted); }
.rem-main { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.rem-main small { display: block; color: var(--muted); font-size: .8rem; }
.rem-extra { margin-top: 8px; }
.rem-extra select, .rem-extra input { width: auto; }
.times { display: flex; flex-wrap: wrap; gap: 6px; }
.discreet { margin-bottom: 14px; }

/* Calendario */
.cal-summary { text-align: center; color: var(--primary); font-weight: 600; margin-top: -6px; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal-head span { text-align: center; font-size: .75rem; color: var(--muted); padding-bottom: 6px; }
.cal-cell {
  position: relative; aspect-ratio: 1; border-radius: 50%; border: 0; background: transparent; color: var(--text);
  font: inherit; font-weight: 600; cursor: pointer; display: grid; place-items: center; padding: 0;
}
.cal-cell.empty { cursor: default; }
.cal-cell.future:not([class*=day-]) { color: var(--muted); }
.cal-cell.is-today { outline: 2px solid var(--text); outline-offset: 1px; }
.cal-cell.is-selected { transform: scale(1.08); box-shadow: 0 0 0 3px var(--primary-soft); }
.cal-cell .dot { position: absolute; bottom: 3px; width: 4px; height: 4px; border-radius: 50%; }
.cal-cell .dot.on { background: currentColor; opacity: .7; }
.cal-cell:disabled { opacity: .35; cursor: not-allowed; }
.cal.editing .cal-cell[class] { background: transparent; box-shadow: none; color: var(--text); }
.cal.editing .num { position: absolute; top: 0; font-size: .72rem; }
.check { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--predicted); margin-top: 10px; display: grid; place-items: center; font-size: .75rem; color: #fff; }
.check.on { background: var(--period); border-color: var(--period); }
.i.fill { fill: currentColor; }
.cal-cell .love { position: absolute; top: -3px; right: -3px; display: grid; place-items: center; width: 17px; height: 17px; border-radius: 50%; background: var(--surface); color: var(--period); box-shadow: 0 1px 3px rgba(0, 0, 0, .2); }
.cal-cell .love .i { width: 11px; height: 11px; vertical-align: 0; }
.lg-love .i, .love-ic .i { color: var(--period); }
.card-head.sub { margin: 14px 0 0; padding-top: 12px; border-top: 1px solid var(--line); }
.legend { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 12px; font-size: .78rem; color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.lg { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.lg-period { background: var(--period); }
.lg-predicted { box-shadow: inset 0 0 0 2px var(--predicted); }
.lg-fertile { background: var(--fertile); }
.lg-ovulation { background: var(--fertile); box-shadow: inset 0 0 0 2px var(--ovulation); }
.lg-cycle { background: var(--line); }

/* Análisis */
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.stat { background: var(--surface); border-radius: 16px; padding: 14px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 2px; }
.stat small { color: var(--muted); font-size: .8rem; }
.stat strong { font-size: 1.5rem; color: var(--primary); }
.stat strong span { font-size: .85rem; color: var(--muted); font-weight: 500; }
.stat strong.warn { color: var(--warn); }
.history { list-style: none; padding: 0; margin: 0; }
.history li { display: grid; grid-template-columns: 58px 1fr 48px; gap: 8px; align-items: center; padding: 5px 0; font-size: .85rem; }
.history b { text-align: right; }
.h-date { color: var(--muted); }
.h-bar { position: relative; height: 14px; width: var(--total); border-radius: 99px; background: var(--line); overflow: hidden; }
.h-bar::before { content: ""; position: absolute; inset: 0 auto 0 0; width: var(--pw); background: var(--period); border-radius: 99px; }
.history .current .h-bar { background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 10px); }
.bars { list-style: none; padding: 0; margin: 0; }
.bars li { display: grid; grid-template-columns: minmax(110px, 40%) 1fr 28px; gap: 8px; align-items: center; padding: 4px 0; font-size: .88rem; }
.bars i { height: 10px; width: var(--w); border-radius: 99px; background: var(--primary); opacity: .8; }
.bars b { text-align: right; }
.chart { width: 100%; height: auto; }
.chart .axis { stroke: var(--line); }
.chart .line { fill: none; stroke: var(--primary); stroke-width: 2.5; stroke-linejoin: round; }
.chart .pt { fill: var(--surface); stroke: var(--primary); stroke-width: 2; }
.chart .tick { fill: var(--muted); font-size: 10px; }
.chart .tick.end { text-anchor: end; }

/* Barra de pestañas */
.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10; display: grid; grid-template-columns: repeat(5, 1fr);
  align-items: end; max-width: 520px; margin: 0 auto; padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--surface) 92%, transparent); backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
}
.tabbar[hidden] { display: none; }
.tabbar a { display: flex; flex-direction: column; align-items: center; gap: 2px; color: var(--muted); font-size: .7rem; padding: 4px 0; }
.tabbar svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.tabbar a.active { color: var(--primary); }
.tabbar .tab-add { justify-self: center; width: 54px; height: 54px; margin-top: -22px; border-radius: 50%; background: var(--primary); color: #fff; justify-content: center; box-shadow: 0 6px 18px color-mix(in srgb, var(--primary) 45%, transparent); }
.tabbar .tab-add svg { width: 28px; height: 28px; stroke-width: 2.4; }
.tabbar .tab-add.active { color: #fff; }

/* Onboarding y bloqueo */
.onboarding, .lock { min-height: calc(100vh - 40px); min-height: calc(100dvh - 40px); display: flex; flex-direction: column; padding-top: 12px; }
.ob-body { flex: 1; display: flex; flex-direction: column; gap: 12px; padding-top: 24px; }
.ob-body h1 { font-size: 1.7rem; }
.ob-hero { font-size: 4rem; text-align: center; margin: 10px 0; }
.ob-actions { padding-bottom: 12px; }
.dots { display: flex; gap: 6px; justify-content: center; }
.dots i { width: 28px; height: 5px; border-radius: 99px; background: var(--line); }
.dots i.on { background: var(--primary); }
.options { display: flex; flex-direction: column; gap: 10px; }
.option { display: flex; align-items: center; gap: 14px; text-align: left; padding: 16px; border-radius: 16px; border: 2px solid var(--line); background: var(--surface); color: var(--text); font: inherit; cursor: pointer; }

.option small { display: block; color: var(--muted); }
.option.on { border-color: var(--primary); background: var(--primary-soft); }
.date-big { font-size: 1.2rem !important; text-align: center; }
.check-row { display: flex; align-items: center; gap: 10px; }
.check-row input { width: 20px; height: 20px; accent-color: var(--primary); }
.stepper { display: flex; align-items: center; justify-content: center; gap: 24px; margin-top: 20px; }
.stepper strong { display: block; font-size: 3.2rem; text-align: center; color: var(--primary); line-height: 1; }
.stepper small { display: block; text-align: center; color: var(--muted); }
.lock { align-items: center; justify-content: center; gap: 18px; }
.pin-dots { display: flex; gap: 12px; }
.pin-dots i { width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--primary); }
.pin-dots i.on { background: var(--primary); }
.keypad { display: grid; grid-template-columns: repeat(3, 72px); gap: 14px; }
.keypad button { height: 72px; border-radius: 50%; border: 0; background: var(--surface); color: var(--text); font-size: 1.6rem; box-shadow: var(--shadow); cursor: pointer; }
.pin-input { margin-bottom: 10px; text-align: center; letter-spacing: .4em; font-size: 1.3rem !important; }

/* Instalación */
.install-gate .ob-body { justify-content: center; }
.install-app-icon { display: flex; flex-direction: column; align-items: center; gap: 6px; margin: 8px auto; font-size: .85rem; color: var(--muted); }
.install-app-icon img { border-radius: 22%; box-shadow: var(--shadow); }
.install-app-icon.big img { width: 96px; height: 96px; }
.benefits { list-style: none; padding: 0; margin: 4px 0; display: flex; flex-direction: column; gap: 12px; }
.benefits li { display: flex; gap: 12px; align-items: flex-start; background: var(--surface); border-radius: 16px; padding: 12px 14px; box-shadow: var(--shadow); }

.benefits small { display: block; color: var(--muted); }
.install-steps { margin: 4px 0 8px; padding: 0; list-style: none; counter-reset: st; display: flex; flex-direction: column; gap: 10px; }
.install-steps li { counter-increment: st; display: flex; gap: 12px; align-items: center; background: var(--surface); border-radius: 16px; padding: 12px 14px; box-shadow: var(--shadow); line-height: 1.5; }
.install-steps li::before { content: counter(st); flex: none; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 700; font-size: .9rem; }
.step-ic { color: var(--primary); width: 20px; height: 20px; vertical-align: -4px; margin: 0 2px; }
.modal .install-steps li { box-shadow: none; background: var(--surface-2); }

/* Modal y toast */
.modal-backdrop { position: fixed; inset: 0; z-index: 50; background: rgba(20, 8, 15, .45); display: flex; align-items: flex-end; justify-content: center; opacity: 0; transition: opacity .2s; }
.modal-backdrop.open { opacity: 1; }
.modal { width: 100%; max-width: 520px; background: var(--surface); border-radius: 24px 24px 0 0; padding: 22px 18px calc(22px + env(safe-area-inset-bottom)); transform: translateY(30px); transition: transform .2s; }
.modal-backdrop.open .modal { transform: none; }
.modal-text { font-size: 1.02rem; }
#toast {
  position: fixed; left: 50%; bottom: calc(92px + env(safe-area-inset-bottom)); transform: translate(-50%, 20px); z-index: 60;
  max-width: calc(100% - 32px); width: max-content; padding: 12px 18px; border-radius: 14px; background: var(--text); color: var(--bg);
  font-size: .92rem; opacity: 0; pointer-events: none; transition: .25s; text-align: center;
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }

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

/* Guía */
.link-card { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; color: inherit; text-decoration: none; }
.link-card small { display: block; color: var(--muted); font-size: .85rem; }
.link-card > .i { color: var(--muted); }
.guide-intro { display: flex; align-items: center; gap: 12px; }
.guide-intro p { margin: 0; }
.guide-item { padding-top: 0; padding-bottom: 0; }
.guide-item summary { display: flex; align-items: center; gap: 12px; padding: 14px 0; cursor: pointer; list-style: none; font-weight: 600; }
.guide-item summary::-webkit-details-marker { display: none; }
.guide-item summary > span { flex: 1; }
.guide-chev { color: var(--muted); transition: transform .2s; }
.guide-item[open] .guide-chev { transform: rotate(90deg); }
.guide-body { padding-bottom: 14px; }
.guide-body p { margin: 0 0 8px; }
.guide-steps { margin: 6px 0 0; padding-left: 20px; }
.guide-steps li { margin-bottom: 8px; }
.guide-plus { display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--primary); color: #fff; vertical-align: -5px; }
.guide-plus .i { width: 14px; height: 14px; vertical-align: 0; }
.guide-heart { color: var(--period); }
.guide-legend { display: grid; gap: 8px; margin-bottom: 12px; font-size: .9rem; }
.guide-legend span { display: flex; align-items: center; gap: 10px; }
.guide-legend .lg { width: 16px; height: 16px; }
.lg-dot { width: 6px !important; height: 6px !important; margin: 0 5px; background: var(--text); opacity: .7; }