:root {
  --navy: #1B2A4E;
  --navy-soft: #2C3D66;
  --lavender: #8B7CF6;
  --lavender-dark: #6C5CE0;
  --lavender-50: #F3F1FE;
  --lavender-100: #E6E2FD;
  --muted: #5B6680;
  --line: #E4E7EE;
  --bg: #F7F8FB;
  --danger: #C2364B;
  --font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--navy);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

h1 { font-size: 1.6rem; margin: 0 0 .3em; letter-spacing: -0.02em; }
h2 { font-size: 1.15rem; margin: 0 0 .4em; }
a { color: var(--lavender-dark); font-weight: 600; }
.muted { color: var(--muted); margin: 0 0 1.2em; }
.loading { text-align: center; color: var(--muted); padding: 48px 0; }

.topbar {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: calc(14px + env(safe-area-inset-top)) 16px 14px;
  background: #fff; border-bottom: 1px solid var(--line);
}
.topbar-icon { width: 32px; height: 32px; }
.topbar-name { font-weight: 700; font-size: 1.3rem; letter-spacing: -0.02em; }

.app { max-width: 440px; margin: 0 auto; padding: 24px 16px 48px; display: flex; flex-direction: column; gap: 16px; }
/* Los bloques que se pintan dentro de un hueco (el pacto en el inicio) mantienen la misma separación */
[data-slot] { display: flex; flex-direction: column; gap: 16px; }
[data-slot]:empty { display: none; }

.card { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 24px; }
.card-soft { background: var(--lavender-50); border-color: var(--lavender-100); }

.form { display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field > span { font-weight: 600; font-size: .95rem; }
.field em { font-style: normal; font-weight: 400; color: var(--muted); }
input[type="email"], input[type="password"], input[type="text"] {
  font: inherit; color: var(--navy);
  padding: 13px 14px; border: 1.5px solid var(--line); border-radius: 12px;
  background: #fff; width: 100%;
}
input:focus { outline: none; border-color: var(--lavender); box-shadow: 0 0 0 3px var(--lavender-100); }
.is-invalid { border-color: var(--danger) !important; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem; color: var(--muted); }
.check input { margin-top: 4px; flex-shrink: 0; accent-color: var(--lavender); }
.error, .form-error { color: var(--danger); font-size: .85rem; margin: 0; }
.error:empty, .form-error:empty { display: none; }

.btn {
  font: inherit; font-weight: 600;
  background: var(--navy); color: #fff;
  border: 0; border-radius: 999px; padding: 14px 24px;
  cursor: pointer; width: 100%;
  transition: background .15s, transform .15s;
}
.btn:hover { background: var(--navy-soft); }
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .6; cursor: wait; }
.btn-ghost { background: transparent; color: var(--muted); border: 1.5px solid var(--line); }
.btn-ghost:hover { background: #fff; color: var(--navy); }

.switch { text-align: center; color: var(--muted); font-size: .95rem; margin: 18px 0 0; }

[hidden] { display: none !important; }
.spaced { margin-top: 12px; }
.hint { font-size: .85rem; color: var(--muted); margin: -6px 0 0; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
input[type="number"], input[type="time"], select, textarea {
  font: inherit; color: var(--navy);
  padding: 13px 14px; border: 1.5px solid var(--line); border-radius: 12px;
  background: #fff; width: 100%;
}
textarea { resize: vertical; }
select:focus, textarea:focus { outline: none; border-color: var(--lavender); box-shadow: 0 0 0 3px var(--lavender-100); }

/* Pesaje semanal */
.weigh h2 { margin-bottom: .3em; }
.weigh .btn { margin-top: 8px; }
.weigh-open { border: 2px solid var(--lavender); }
.when { font-size: 1.25rem; font-weight: 700; margin: 0 0 .2em; text-transform: capitalize; }
.notice { background: #FDECEF; color: var(--danger); border-radius: 12px; padding: 10px 14px; font-size: .9rem; margin: 0 0 12px; }
.notice-ok { background: var(--lavender-50); color: var(--lavender-dark); border: 1px solid var(--lavender-100); margin: 0; }
.pacto-data { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 16px 0; font-size: .92rem; }
.pacto-data dt { color: var(--muted); }
.pacto-data dd { margin: 0; font-weight: 600; }
.pacto-partida { margin: 0; padding: 12px 14px; border-radius: 12px; background: var(--bg); font-size: .92rem; color: var(--muted); }
select:disabled, input:disabled { background: var(--bg); color: var(--muted); }
.code {
  font-size: 2.6rem; font-weight: 700; letter-spacing: .3em; text-align: center;
  background: var(--navy); color: #fff; border-radius: 16px; padding: 14px 0 14px .3em; margin: 8px 0 12px;
}

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 14px 10px; text-align: center; }
.stat-value { display: block; font-size: 1.5rem; font-weight: 700; }
.stat-label { font-size: .75rem; color: var(--muted); }

.reward { background: var(--lavender); color: #fff; border: 0; }
.reward p { margin: 0; }
.motivo { margin: 0; padding-left: 14px; border-left: 3px solid var(--lavender); color: var(--muted); font-style: italic; }

.historial { list-style: none; margin: 0; padding: 0; }
.historial li { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: .92rem; }
.historial li:last-child { border-bottom: 0; }
.h-week { font-weight: 600; }
.h-detail { color: var(--muted); }
.h-mark { font-weight: 700; }
.historial .ok .h-mark { color: var(--lavender-dark); }
.historial .ko .h-mark { color: var(--danger); }

/* Cámara */
.camera { position: relative; background: var(--navy); border-radius: 16px; overflow: hidden; aspect-ratio: 3 / 4; display: grid; place-items: center; }
.camera video, .camera img { width: 100%; height: 100%; object-fit: cover; }
.camera-msg { color: #fff; padding: 24px; text-align: center; margin: 0; }
.camera-actions { margin-top: 12px; }

.historial .wait .h-mark { color: var(--muted); }

/* Navegación inferior */
body.con-tabbar .app { padding-bottom: calc(96px + env(safe-area-inset-bottom)); }
.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
  display: flex; justify-content: center; gap: 4px;
  background: rgba(255,255,255,.96); backdrop-filter: blur(8px);
  border-top: 1px solid var(--line);
  padding: 6px 12px calc(6px + env(safe-area-inset-bottom));
}
.tabbar[hidden] { display: none !important; }
.tabbar a {
  flex: 1; max-width: 140px; display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 6px 0; border-radius: 12px; color: var(--muted); text-decoration: none; font-size: .75rem; font-weight: 600;
}
.tabbar svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.tabbar a.activa { color: var(--lavender-dark); background: var(--lavender-50); }

/* Dashboard */
.small { font-size: .85rem; }
.subtitle { font-size: 1rem; margin: 20px 0 10px; }
.kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 8px 0 16px; }
.kpis-3 { grid-template-columns: repeat(3, 1fr); }
.kpi { background: var(--bg); border-radius: 14px; padding: 12px; }
.kpi-value { display: block; font-size: 1.5rem; font-weight: 700; }
.kpi-label { font-size: .75rem; color: var(--muted); }
.chart svg { width: 100%; height: auto; display: block; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .axis { fill: var(--muted); font-size: 10px; font-family: var(--font); }
.chart .goal { stroke: var(--navy); stroke-width: 1.5; stroke-dasharray: 5 4; }
.chart .goal-label { fill: var(--navy); font-size: 10px; font-weight: 600; font-family: var(--font); }
.chart .line { fill: none; stroke: var(--lavender); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.chart .dot { fill: #fff; stroke: var(--lavender-dark); stroke-width: 2; }
.chart .dot.last { fill: var(--lavender-dark); }
.proyeccion { font-size: 1.15rem; font-weight: 700; margin: 0 0 6px; }
.cal { display: flex; flex-wrap: wrap; gap: 5px; }
.sq { width: 16px; height: 16px; border-radius: 4px; display: inline-block; background: var(--line); }
.sq.ok { background: var(--lavender); }
.sq.ko { background: #F1B5C0; }
.sq.wait { background: var(--line); }
.cal-legend { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; font-size: .8rem; color: var(--muted); margin: 12px 0 0; }
.cal-legend .sq { width: 12px; height: 12px; margin-right: -6px; }
.cuota-actual { font-size: 2rem; font-weight: 700; margin: 0 0 12px; }
.cuota-actual small { font-size: 1rem; color: var(--muted); font-weight: 500; }
.escalera { list-style: none; padding: 0; margin: 0 0 12px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; align-items: end; }
.escalera li { text-align: center; font-size: .72rem; font-weight: 600; color: var(--muted); background: var(--bg); border-radius: 10px; padding: 8px 2px; }
.escalera li:nth-child(1) { padding-top: 28px; }
.escalera li:nth-child(2) { padding-top: 22px; }
.escalera li:nth-child(3) { padding-top: 16px; }
.escalera li:nth-child(4) { padding-top: 10px; }
.escalera li.pasado { background: var(--lavender-50); color: var(--lavender-dark); }
.escalera li.actual { background: var(--navy); color: #fff; }

/* Retos */
.retos { display: flex; flex-direction: column; gap: 16px; }
.reto-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 10px; }
.reto-titulo { font-weight: 700; }
.pill { font-size: .78rem; font-weight: 600; padding: 4px 10px; border-radius: 999px; background: var(--lavender-50); color: var(--lavender-dark); white-space: nowrap; }
.reto-terminado .pill { background: var(--navy); color: #fff; }
.reto-link { font: inherit; font-size: .85rem; width: 100%; padding: 10px 12px; border: 1.5px solid var(--line); border-radius: 12px; background: var(--bg); color: var(--navy); }
.reto-acciones { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 12px; }
.reto-acciones .btn { text-align: center; text-decoration: none; font-size: .92rem; padding: 12px 10px; }
.link-btn { background: none; border: 0; color: var(--muted); font: inherit; font-size: .88rem; text-decoration: underline; cursor: pointer; margin-top: 12px; padding: 0; }
.marcador { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 10px; }
.marcador-lado { background: var(--bg); border-radius: 16px; padding: 14px 10px; text-align: center; display: flex; flex-direction: column; gap: 2px; }
.marcador-lado.lider { background: var(--lavender-50); box-shadow: inset 0 0 0 2px var(--lavender); }
.marcador-nombre { font-weight: 600; font-size: .9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.marcador-pct { font-size: 1.6rem; font-weight: 700; }
.marcador-detalle { font-size: .75rem; color: var(--muted); }
.marcador-vs { font-weight: 700; color: var(--muted); }

/* Anuncios: separados del contenido y de los botones */
.ad-slot { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); text-align: center; min-height: 60px; }
.ad-slot[hidden] { display: none; }
.ad-label { display: block; font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }

/* Primeros pasos, mensajes y cuenta */
.pasos-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 8px; }
.pasos-head h2 { margin: 0; }
.pasos-lista { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.pasos-lista li { position: relative; padding: 10px 12px 10px 40px; border-radius: 12px; background: var(--bg); font-weight: 600; font-size: .95rem; }
.pasos-lista li::before {
  content: ""; position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--line); background: #fff;
}
.pasos-lista li.hecho { color: var(--muted); text-decoration: line-through; }
.pasos-lista li.hecho::before { background: var(--lavender); border-color: var(--lavender); }
.pasos-lista li.enlace { cursor: pointer; color: var(--lavender-dark); }
.mensaje { background: var(--lavender-50); border-color: var(--lavender-100); }
.mensaje-de { font-size: .78rem; font-weight: 700; color: var(--lavender-dark); }
.mensaje-texto { margin: 6px 0 0; font-size: 1.05rem; font-weight: 600; }
.check-row { color: var(--navy); font-size: .95rem; }
.peligro { margin-top: 14px; border-top: 1px solid var(--line); padding-top: 12px; }
.peligro summary { cursor: pointer; color: var(--danger); font-weight: 600; }
.legal-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 16px; font-size: .85rem; }
.legal-links a { color: var(--muted); }

/* Admin: pestañas, sugerencias y embudo */
.segmented { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 4px; }
.segmented button { font: inherit; font-weight: 600; border: 0; background: transparent; color: var(--muted); padding: 9px; border-radius: 999px; cursor: pointer; }
.segmented button.activa { background: var(--navy); color: #fff; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: -4px 0 12px; }
.chip { font: inherit; font-size: .8rem; border: 1px solid var(--lavender-100); background: var(--lavender-50); color: var(--lavender-dark); padding: 5px 10px; border-radius: 999px; cursor: pointer; }
.funnel-row { display: grid; grid-template-columns: 1fr auto; gap: 4px 10px; margin-bottom: 12px; font-size: .9rem; }
.funnel-value { font-weight: 700; }
.funnel-bar { grid-column: 1 / -1; height: 8px; background: var(--bg); border-radius: 4px; overflow: hidden; }
.funnel-bar span { display: block; height: 100%; background: var(--lavender); border-radius: 4px; }

/* Panel de revisión */
.topbar-admin { justify-content: space-between; }
.topbar-back, .topbar-spacer { width: 72px; }
.topbar-back { color: var(--navy); text-decoration: none; font-weight: 600; font-size: .95rem; }
.admin-list { display: flex; flex-direction: column; gap: 16px; }
.btn-link { display: block; text-align: center; text-decoration: none; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #A22A3D; }
.review-head { display: flex; justify-content: space-between; gap: 12px; font-size: .9rem; margin-bottom: 12px; }
.review-user { font-weight: 600; word-break: break-all; }
.review-week { color: var(--muted); white-space: nowrap; }
.review-photo { width: 100%; border-radius: 14px; background: var(--bg); display: block; }
.review-data { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 14px 0; font-size: .95rem; }
.review-data dt { color: var(--muted); }
.review-data dd { margin: 0; font-weight: 600; }
.review-code { font-size: 1.3rem; letter-spacing: .2em; }
.review .field { margin-bottom: 12px; }
.review-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* Resultado */
.result { text-align: center; }
.result-icon { width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 12px; display: grid; place-items: center; font-size: 2rem; font-weight: 700; background: var(--lavender-100); color: var(--lavender-dark); }
.result-rechazado .result-icon { background: #FDECEF; color: var(--danger); }

.trial { display: flex; align-items: baseline; gap: 10px; margin-top: 12px; padding: 16px; border-radius: 14px; background: var(--navy); color: #fff; }
.trial-days { font-size: 2rem; font-weight: 700; color: var(--lavender-100); }
.trial-label { font-size: .95rem; }

/* Instalar la app, avisos y comodín */
.movil .btn { width: 100%; }
.movil .link-btn, .comodin .link-btn { display: block; margin: 12px auto 0; }
.pasos-instalar { margin: 0; padding-left: 1.3em; display: flex; flex-direction: column; gap: 6px; font-size: .95rem; }
.push-acciones { display: flex; flex-direction: column; gap: 10px; }
.push-acciones [hidden] { display: none; }
.weigh .link-btn { display: block; margin: 14px auto 0; }
.comodin .btn { width: 100%; }
.historial .comodin .h-mark { color: var(--lavender-dark); }
.sq.comodin { background: var(--lavender-100); box-shadow: inset 0 0 0 1.5px var(--lavender); }

/* Escritorio: menú lateral fijo y contenido más ancho */
@media (min-width: 960px) {
  body.con-tabbar { padding-left: 248px; }
  body.con-tabbar .topbar {
    position: fixed; top: 0; left: 0; z-index: 11; width: 248px;
    justify-content: flex-start; padding: 28px 28px 20px; background: transparent; border-bottom: 0;
  }
  body.con-tabbar .tabbar {
    top: 0; right: auto; bottom: 0; width: 248px;
    flex-direction: column; justify-content: flex-start; gap: 4px;
    padding: 100px 16px 24px; background: #fff; border-top: 0; border-right: 1px solid var(--line);
  }
  body.con-tabbar .tabbar a {
    flex: none; max-width: none; flex-direction: row; gap: 12px;
    padding: 12px 14px; font-size: .95rem;
  }
  body.con-tabbar .app { max-width: 760px; padding: 48px 40px 72px; gap: 20px; }
  body.con-tabbar .card { padding: 28px 32px; }
  body.con-tabbar h1 { font-size: 1.9rem; }
  /* Pantallas sin menú (entrar, registro…): tarjeta centrada con algo de aire */
  body:not(.con-tabbar) .app { padding-top: 64px; }
}

/* Coach: mensaje tras cada pesaje validado */
.coach { background: radial-gradient(420px 200px at 100% 0%, rgba(139,124,246,.35), transparent 60%), var(--navy); border-color: var(--navy); color: #fff; }
.coach .mensaje-de { color: #C9C2FF; }
.coach .mensaje-texto { font-weight: 500; line-height: 1.55; }