/* ═══════════════════════════════════════════════════════════════════════
   GymBro — MisStats (stats.html). Mobile-first, columna máx 520px como el
   resto del portal del socio. Shell (bloqueo/header/toast) heredado de
   fotobody.css; KPIs, tarjetas de gráfica (Chart.js) e insights de IA.
   Acento violeta/índigo (lo puede pisar el theming de config).
   ═══════════════════════════════════════════════════════════════════════ */

:root {
  --color-primary: #6d5efc;
  --color-primary-oscuro: #4c3fd0;
  --color-accent: #a78bfa;
  --fondo: #f4f6f9;
  --superficie: #ffffff;
  --oscuro: #0c111d;
  --texto: #1c2434;
  --texto-suave: #5b6577;
  --borde: #e4e7ec;
  --exito: #16a34a;
  --peligro: #dc2626;
  --ambar: #d97706;
  --radio: 14px;
  --fuente: "Inter", system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

/* `hidden` SIEMPRE gana, aunque la clase defina display */
[hidden] { display: none !important; }

html, body { height: 100%; }

body {
  font-family: var(--fuente);
  background: var(--fondo);
  color: var(--texto);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

button, select, textarea, input { font-family: inherit; }

/* ─── Pantalla de bloqueo (sin sesión de socio) ───────────────────────── */
.pantalla-bloqueo {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(800px 400px at 90% -10%, color-mix(in srgb, var(--color-primary) 35%, transparent), transparent 60%),
    var(--oscuro);
  color: #f4f6fa;
  text-align: center;
}
.bloqueo-caja { width: min(400px, 100%); }
.bloqueo-icono { font-size: 3rem; display: block; margin-bottom: 14px; }
.bloqueo-caja h1 { font-size: 1.5rem; font-weight: 900; letter-spacing: -0.02em; margin-bottom: 10px; }
.bloqueo-caja p { color: #b9c1d0; font-size: 0.92rem; margin-bottom: 22px; }
.btn-bloqueo {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  border-radius: 999px;
  padding: 13px 28px;
  font-size: 0.95rem;
  transition: background 0.15s ease;
}
.btn-bloqueo:hover { background: var(--color-primary-oscuro); }
.bloqueo-nota { font-size: 0.8rem !important; color: #78829a !important; margin-top: 18px !important; }
.bloqueo-nota a { color: var(--color-accent); font-weight: 700; }

/* ─── Shell ───────────────────────────────────────────────────────────── */
.app {
  max-width: 520px;
  margin-inline: auto;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--fondo);
  box-shadow: 0 0 40px rgba(12, 17, 29, 0.12);
}

.app-header {
  flex: 0 0 auto;
  background: var(--oscuro);
  color: #f4f6fa;
  z-index: 30;
}
.app-header-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
}
.app-volver {
  color: #98a1b3;
  text-decoration: none;
  font-size: 1.25rem;
  padding: 4px 10px;
  border-radius: 8px;
}
.app-volver:hover { background: rgba(255, 255, 255, 0.07); color: #fff; }
.app-titulo { flex: 1; min-width: 0; }
.app-titulo strong { display: block; font-size: 1rem; font-weight: 900; }
.app-titulo small { color: #98a1b3; font-size: 0.74rem; }
.app-avatar {
  width: 36px; height: 36px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  font-weight: 900;
  font-size: 0.82rem;
}

/* ─── Main ────────────────────────────────────────────────────────────── */
.app-main { flex: 1; min-height: 0; overflow-y: auto; padding: 18px 18px 30px; }

.nota-legal { font-size: 0.72rem; color: var(--texto-suave); margin-top: 20px; text-align: center; }

/* ─── KPIs 2×2 ────────────────────────────────────────────────────────── */
.st-kpis {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}
.st-kpi {
  background: var(--superficie);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 14px 14px 13px;
  box-shadow: 0 4px 14px rgba(12, 17, 29, 0.05);
}
.st-kpi-valor {
  font-size: 1.55rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--texto);
  line-height: 1.1;
}
.st-kpi-valor small { font-size: 0.78rem; font-weight: 700; color: var(--texto-suave); }
.st-kpi-label { font-size: 0.74rem; font-weight: 700; color: var(--texto-suave); margin-top: 3px; }
.st-kpi-delta { font-size: 0.76rem; font-weight: 800; margin-top: 5px; }
.st-kpi-delta.abajo { color: var(--exito); }
.st-kpi-delta.arriba { color: var(--ambar); }
.st-kpi-delta.neutro { color: var(--texto-suave); }

/* ─── Registrar peso ──────────────────────────────────────────────────── */
.st-registro {
  background: var(--superficie);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 14px;
  margin-bottom: 16px;
}
.st-registro-label { display: block; font-size: 0.82rem; font-weight: 800; margin-bottom: 8px; }
.st-registro-fila { display: flex; gap: 8px; flex-wrap: wrap; }
.st-registro-fila input {
  flex: 1 1 90px;
  min-width: 0;
  border: 1.5px solid var(--borde);
  border-radius: 10px;
  padding: 11px 12px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--texto);
}
.st-registro-fila input:focus { outline: none; border-color: var(--color-primary); }
.st-registro-btn {
  flex: 1 1 auto;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-oscuro));
  color: #fff;
  font-size: 0.9rem;
  font-weight: 800;
  padding: 11px 14px;
  cursor: pointer;
  transition: transform 0.12s ease;
}
.st-registro-btn:hover { transform: translateY(-1px); }
.st-registro-btn:active { transform: scale(0.99); }
.st-registro-error {
  margin-top: 10px;
  color: var(--peligro);
  font-size: 0.8rem;
  font-weight: 700;
}

/* ─── Tarjeta de gráfica ──────────────────────────────────────────────── */
.st-card {
  background: var(--superficie);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 15px 15px 12px;
  margin-bottom: 14px;
  box-shadow: 0 4px 14px rgba(12, 17, 29, 0.05);
}
.st-card-titulo { font-size: 0.98rem; font-weight: 900; letter-spacing: -0.01em; }
.st-card-nota { font-size: 0.74rem; color: var(--texto-suave); margin-top: 3px; }
.st-chart-wrap { position: relative; height: 220px; margin-top: 12px; }
.st-chart-wrap canvas { max-width: 100%; }

.st-vacio {
  background: color-mix(in srgb, var(--color-primary) 4%, #fff);
  border: 1.5px dashed var(--borde);
  border-radius: var(--radio);
  padding: 22px 16px;
  text-align: center;
  color: var(--texto-suave);
  font-size: 0.84rem;
  margin-top: 12px;
}
.st-vacio a { color: var(--color-primary); font-weight: 800; text-decoration: none; }
.st-vacio a:hover { text-decoration: underline; }

/* ─── Analizar con IA + insights ──────────────────────────────────────── */
.st-analizar {
  width: 100%;
  border: none;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-oscuro));
  color: #fff;
  font-size: 1rem;
  font-weight: 900;
  padding: 15px;
  margin-top: 6px;
  cursor: pointer;
  box-shadow: 0 10px 24px color-mix(in srgb, var(--color-primary) 30%, transparent);
  transition: transform 0.12s ease;
}
.st-analizar:hover { transform: translateY(-1px); }
.st-analizar:active { transform: scale(0.99); }
.st-analizar:disabled { opacity: 0.65; cursor: wait; transform: none; box-shadow: none; }

.st-insights { display: grid; gap: 10px; margin-top: 14px; }
.st-insights-titulo { font-size: 0.95rem; font-weight: 900; margin: 2px 0 2px; }
.insight-card {
  background: color-mix(in srgb, var(--color-primary) 5%, var(--superficie));
  border: 1px solid var(--borde);
  border-left: 3px solid var(--color-primary);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 0.88rem;
  color: var(--texto);
}
.insight-card.error { border-left-color: var(--peligro); }

/* ─── Toast ───────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  background: var(--oscuro);
  color: #fff;
  padding: 12px 20px;
  border-radius: 12px;
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
  max-width: calc(100vw - 32px);
  animation: toast-entra 0.25s ease;
}
@keyframes toast-entra {
  from { opacity: 0; transform: translate(-50%, 10px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}