:root {
  --bg: #0b0f14;
  --bg-2: #0f151d;
  --card: #161d27;
  --card-2: #1d2531;
  --line: #263140;
  --text: #eef3f8;
  --muted: #8fa0b4;
  --dim: #64748b;
  --accent: #22c55e;
  --accent-soft: rgba(34, 197, 94, 0.14);
  --danger: #ef4444;
  --warn: #f59e0b;
  --r: 14px;
  --sat: env(safe-area-inset-top, 0px);
  --sab: env(safe-area-inset-bottom, 0px);
  --tabbar: 62px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-top: var(--sat);
  overscroll-behavior-y: none;
}

h1, h2 { margin: 0; line-height: 1.25; font-weight: 700; }
h1 { font-size: 20px; }
h2 {
  font-size: 12px;
  letter-spacing: 0.07em;
  color: var(--dim);
  text-transform: uppercase;
  margin-bottom: 12px;
}

a { color: var(--accent); }
p { margin: 0; }

/* Contenedor: ancho fluido + tope, padding lateral FIJO en px (nunca en %) */
.wrap {
  width: 100%;
  max-width: 1140px;
  margin-inline: auto;
  padding-inline: 16px;
  padding-bottom: calc(var(--tabbar) + var(--sab) + 24px);
}
@media (min-width: 768px) { .wrap { padding-inline: 24px; } }

/* ---------- formularios ---------- */

input, select, textarea {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font: inherit;
  font-size: 16px; /* nunca menos: el móvil hace zoom */
}
textarea { resize: vertical; min-height: 90px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 14px; }

input:focus-visible, select:focus-visible, textarea:focus-visible,
button:focus-visible, a:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

input[type="file"] { padding: 10px; font-size: 14px; }
input[type="checkbox"] { width: auto; accent-color: var(--accent); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  min-height: 48px;
  padding: 0 18px;
  margin-top: 14px;
  background: var(--accent);
  color: #06210f;
  border: 1px solid var(--accent);
  border-radius: 12px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: filter 0.2s ease, transform 0.12s ease;
}
.btn:hover { filter: brightness(1.08); }
.btn:active { transform: scale(0.985); }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn.peligro { color: #fca5a5; border-color: rgba(239, 68, 68, 0.4); }

.campo { display: block; margin-bottom: 12px; }
.campo > span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 5px; }

.check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.4;
  padding: 8px 0;
  min-height: 44px;
}
.check input { margin-top: 3px; flex: 0 0 auto; }

.mt { margin-top: 12px; }

.alerta {
  border-radius: 10px;
  padding: 11px 14px;
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.5;
}
.alerta.error { background: rgba(239, 68, 68, 0.12); border: 1px solid rgba(239, 68, 68, 0.4); }
.alerta.ok { background: var(--accent-soft); border: 1px solid rgba(34, 197, 94, 0.4); }

/* ---------- pantalla de entrada ---------- */

.entrada {
  width: 100%;
  max-width: 400px;
  margin-inline: auto;
  padding: 56px 16px 48px;
  text-align: center;
}
.entrada .logo { color: var(--accent); margin-bottom: 6px; }
.entrada h1 { font-size: 30px; margin-bottom: 10px; }
.entrada .sub { color: var(--muted); margin: 0 0 24px; font-size: 15px; line-height: 1.5; }
.entrada label { display: block; text-align: left; font-size: 12px; color: var(--muted); margin: 14px 0 5px; }
.entrada .alerta { text-align: left; }

.olvidada { margin-top: 28px; text-align: left; }
.olvidada > summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
  padding: 12px;
  min-height: 44px;
  list-style: none;
}
.olvidada > summary::-webkit-details-marker { display: none; }
.olvidada > summary::after { content: ' ▾'; }
.olvidada[open] > summary::after { content: ' ▴'; }
.olvidada .sep {
  text-align: center;
  color: var(--dim);
  font-size: 13px;
  margin: 20px 0 4px;
}

.codigo-caja {
  background: var(--card);
  border: 1px solid rgba(34, 197, 94, 0.4);
  border-radius: var(--r);
  padding: 20px;
  text-align: left;
}
.codigo-caja h2 { color: var(--accent); margin-bottom: 8px; }
.codigo-caja p { color: var(--muted); font-size: 14px; line-height: 1.55; margin-bottom: 16px; }
.codigo {
  display: block;
  background: var(--bg-2);
  border: 1px dashed var(--line);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.08em;
  user-select: all;
}

/* ---------- cabecera y pestañas ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  max-width: 1140px;
  margin-inline: auto;
  padding: 14px 16px 12px;
  background: rgba(11, 15, 20, 0.92);
  backdrop-filter: blur(8px);
}
@media (min-width: 768px) { .topbar { padding-inline: 24px; } }

.tb-l { display: flex; align-items: center; gap: 12px; min-width: 0; }
.topbar .sub { color: var(--muted); font-size: 12px; margin-top: 1px; }
.salir {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  min-height: 44px;
  display: flex;
  align-items: center;
  padding-left: 12px;
}

.nivel-badge {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border-radius: 99px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 15px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.tabbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: rgba(11, 15, 20, 0.96);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  padding-bottom: var(--sab);
}
.tabbar a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: var(--tabbar);
  color: var(--dim);
  text-decoration: none;
  font-size: 11px;
  font-weight: 600;
}
.tabbar a.on { color: var(--accent); }

/* ---------- héroe: nivel, racha, XP ---------- */

.heroe {
  background: linear-gradient(160deg, rgba(34, 197, 94, 0.14), var(--card) 62%);
  border: 1px solid rgba(34, 197, 94, 0.28);
  border-radius: var(--r);
  padding: 16px;
  margin-bottom: 12px;
}
.heroe-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.heroe .lv {
  display: block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--accent);
}
.heroe-top strong { font-size: 22px; letter-spacing: -0.02em; }
.heroe-pie { color: var(--muted); font-size: 12px; margin-top: 8px; }

.racha { display: flex; align-items: center; gap: 5px; color: var(--dim); }
.racha.on { color: #f97316; }
.racha b { font-size: 20px; font-weight: 800; font-variant-numeric: tabular-nums; }
.racha small { font-size: 11px; }

.xpbar {
  height: 6px;
  border-radius: 99px;
  background: rgba(0, 0, 0, 0.3);
  overflow: hidden;
  margin-top: 14px;
}
.xpbar i { display: block; height: 100%; background: var(--accent); border-radius: 99px; }

/* ---------- hitos ---------- */

.hito {
  display: grid;
  grid-template-columns: 1fr 74px 38px;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(38, 49, 64, 0.5);
}
.hito:last-of-type { border-bottom: 0; padding-bottom: 0; }
.hito-l { min-width: 0; }
.hito-l b { display: block; font-size: 14px; font-weight: 600; }
.hito-l small { font-size: 12px; color: var(--muted); }
.hito-b { height: 7px; background: var(--bg-2); border-radius: 99px; overflow: hidden; }
.hito-b i { display: block; height: 100%; background: var(--accent); border-radius: 99px; }
.hito-p {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ---------- tarjetas y KPIs ---------- */

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 16px;
  margin-bottom: 12px;
}
.pie { color: var(--muted); font-size: 13px; margin: 10px 0 0; line-height: 1.5; }
.card > .pie:first-of-type { margin-top: 0; margin-bottom: 12px; }
.cargando { color: var(--muted); font-size: 14px; }

.kpis {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}
@media (min-width: 560px) { .kpis { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px) { .kpis { grid-template-columns: repeat(6, 1fr); } }

.kpi {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 12px 14px;
}
.kpi .v { display: block; font-size: 23px; font-weight: 800; line-height: 1.1; font-variant-numeric: tabular-nums; }
.kpi .v small { font-size: 13px; font-weight: 600; color: var(--dim); }
.kpi .k { display: block; font-size: 11px; color: var(--dim); margin-top: 3px; }
.kpi .delta { position: absolute; top: 11px; right: 12px; font-size: 12px; font-weight: 700; }
.delta.up { color: var(--accent); }
.delta.down { color: var(--warn); }

/* ---------- coach ---------- */

.coach-titular { font-size: 18px; font-weight: 800; margin: 0 0 6px; line-height: 1.3; }
.coach-porque { color: var(--muted); font-size: 14px; margin: 0 0 14px; line-height: 1.5; }
.coach-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.chip {
  background: var(--card-2);
  border: 1px solid var(--line);
  border-radius: 99px;
  padding: 5px 13px;
  font-size: 13px;
  font-weight: 600;
}
.coach-lista { display: grid; gap: 8px; margin-bottom: 14px; }
.coach-ej {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  background: var(--card-2);
  border-radius: 10px;
  padding: 11px 13px;
}
.coach-ej b { font-size: 15px; }
.coach-ej .dosis { color: var(--accent); font-weight: 700; font-size: 14px; font-variant-numeric: tabular-nums; }
.coach-ej .nota { color: var(--muted); font-size: 13px; width: 100%; line-height: 1.45; }
.coach-tip { border-left: 3px solid var(--accent); padding: 2px 0 2px 12px; margin-bottom: 12px; }
.coach-tip b { display: block; font-size: 14px; }
.coach-tip span { color: var(--muted); font-size: 14px; line-height: 1.5; }
.coach-aviso {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 10px;
  padding: 11px 13px;
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 12px;
}
.coach-animo { font-size: 15px; font-style: italic; margin: 4px 0 0; }
.coach-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--dim);
  font-size: 11px;
  margin-top: 14px;
}
.coach-meta button {
  background: none;
  border: 0;
  color: var(--accent);
  font: inherit;
  font-size: 11px;
  cursor: pointer;
  padding: 6px 0;
  text-decoration: underline;
}

/* ---------- barras por semana ---------- */

.chart-scroll { overflow-x: auto; padding-bottom: 4px; -webkit-overflow-scrolling: touch; }
.barras { display: grid; grid-template-columns: repeat(var(--n), minmax(40px, 1fr)); gap: 6px; min-width: 100%; }
.barra { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.barra .valor { font-size: 10px; color: var(--muted); height: 14px; }
.barra .tallo {
  width: 100%;
  height: 120px;
  background: var(--bg-2);
  border-radius: 6px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.barra .tallo span {
  width: 100%;
  background: linear-gradient(180deg, var(--accent), #16a34a);
  border-radius: 6px 6px 0 0;
}
.barra .etq { font-size: 10px; color: var(--muted); }

/* ---------- calendario ---------- */

.calendario {
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: repeat(7, 1fr);
  gap: 3px;
  overflow-x: auto;
  padding-bottom: 4px;
}
.calendario i { width: 12px; height: 12px; border-radius: 3px; background: var(--card-2); display: block; }
.calendario .n1 { background: rgba(34, 197, 94, 0.3); }
.calendario .n2 { background: rgba(34, 197, 94, 0.5); }
.calendario .n3 { background: rgba(34, 197, 94, 0.75); }
.calendario .n4 { background: var(--accent); }

/* ---------- gráfico por ejercicio ---------- */

#selEx { margin-bottom: 12px; }
#graficoEx svg { width: 100%; height: auto; display: block; }
.leyenda { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--muted); margin-top: 8px; }
.leyenda i { display: inline-block; width: 10px; height: 3px; border-radius: 2px; margin-right: 5px; vertical-align: middle; }

/* ---------- grupos / reparto ---------- */

.grupos { display: grid; gap: 10px; }
.grupo { display: grid; grid-template-columns: 104px 1fr auto; align-items: center; gap: 10px; }
.gn { font-size: 13px; display: flex; align-items: center; gap: 8px; }
.pt { width: 8px; height: 8px; border-radius: 99px; flex: 0 0 auto; }
.gb { height: 8px; background: var(--bg-2); border-radius: 99px; overflow: hidden; }
.gb span { display: block; height: 100%; border-radius: 99px; }
.gv { font-size: 13px; text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.gv small { display: block; color: var(--muted); font-size: 11px; }

/* ---------- registros ---------- */

.registros .dia {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 16px 0 6px;
}
.registros .dia:first-child { margin-top: 0; }
.reg {
  display: grid;
  grid-template-columns: 3px 42px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(38, 49, 64, 0.5);
}
.reg .bar { height: 22px; border-radius: 99px; }
.reg .hora { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.reg .nom { font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.reg .det { font-size: 13px; color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }

/* ---------- acciones ---------- */

.acciones { display: flex; flex-wrap: wrap; gap: 10px; }
.acciones > * { flex: 1 1 150px; }
.acciones form { margin: 0; }
.acciones .btn { margin-top: 0; }

.firma { color: var(--dim); font-size: 12px; text-align: center; margin: 20px 0 0; line-height: 1.6; }