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

:root {
  --bg:      #0e0e0e;
  --bg2:     #1a1a1a;
  --bg3:     #242424;
  --border:  #2e2e2e;
  --pink:    #FF98E1;
  --green:   #00C896;
  --red:     #FF5C5C;
  --yellow:  #FFD166;
  --blue:    #60A5FA;
  --muted:   #888;
  --text:    #f0f0f0;
}

body { background: var(--bg); color: var(--text); font-family: 'Lexend', sans-serif; font-size: 15px; min-height: 100vh; }

.hidden { display: none !important; }

/* LOGIN */
.view-login { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }
.login-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 16px; padding: 40px 36px; width: 100%; max-width: 380px; display: flex; flex-direction: column; gap: 16px; }
.brand { font-family: 'Anton', sans-serif; font-size: 2rem; color: var(--pink); letter-spacing: 1px; }
.muted { color: var(--muted); font-size: 0.9rem; }
input[type=email], input[type=password] { width: 100%; padding: 12px 14px; background: var(--bg3); border: 1px solid var(--border); border-radius: 10px; color: var(--text); font-family: inherit; font-size: 0.95rem; outline: none; transition: border-color .2s; }
input:focus { border-color: var(--pink); }
.pass-wrap { position: relative; }
.pass-wrap input { padding-right: 44px; }
.btn-ojo { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); background: none; border: none; color: var(--muted); cursor: pointer; padding: 4px; }
.btn-primary { width: 100%; padding: 13px; background: var(--pink); color: #000; border: none; border-radius: 10px; font-family: inherit; font-size: 1rem; font-weight: 600; cursor: pointer; transition: opacity .2s; }
.btn-primary:hover { opacity: .85; }
.error { color: var(--red); font-size: 0.85rem; min-height: 18px; }
.link-forgot { background: none; border: none; color: var(--muted); font-size: 0.82rem; cursor: pointer; text-decoration: underline; align-self: center; font-family: inherit; }

/* TOPBAR */
.topbar { background: var(--bg2); border-bottom: 1px solid var(--border); padding: 14px 20px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; position: sticky; top: 0; z-index: 100; }
.topbar .brand { font-size: 1.3rem; }
.user-box { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.user-box span { color: var(--muted); font-size: 0.82rem; }
.btn-ghost { background: none; border: 1px solid var(--border); border-radius: 8px; color: var(--muted); font-family: inherit; font-size: 0.82rem; padding: 6px 12px; cursor: pointer; }
.btn-ghost:hover { border-color: var(--pink); color: var(--pink); }

/* MAIN */
.main { padding: 20px; max-width: 1400px; margin: 0 auto; }

/* RESUMEN SEMANA */
.resumen { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 28px; }
.kpi-box { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.kpi-box span { color: var(--muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: .5px; display: block; margin-bottom: 6px; }
.kpi-box strong { font-size: 1.4rem; font-weight: 600; }
.kpi-box.green strong { color: var(--green); }
.kpi-box.red strong { color: var(--red); }
.kpi-box.yellow strong { color: var(--yellow); }
.kpi-box.pink strong { color: var(--pink); }

/* SECCIÓN TÍTULO */
.section-title { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.section-title .badge { background: var(--pink); color: #000; border-radius: 4px; padding: 1px 6px; font-size: 0.72rem; }

/* CARDS GRID */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }

/* DAY CARD */
.day-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 14px; padding: 18px; display: flex; flex-direction: column; gap: 14px; transition: border-color .2s; }
.day-card:hover { border-color: #444; }
.day-card.hoy { border-color: var(--pink); }
.day-card.pasado { opacity: .75; }
.day-card.feriado { border-color: var(--yellow); }
.day-card.evento { border-color: var(--green); }

.card-header { display: flex; align-items: center; justify-content: space-between; }
.card-fecha { font-size: 0.82rem; color: var(--muted); }
.card-dia { font-weight: 600; font-size: 1rem; text-transform: capitalize; }
.badge-hoy { background: var(--pink); color: #000; border-radius: 6px; padding: 2px 8px; font-size: 0.72rem; font-weight: 700; }
.badge-feriado { background: var(--yellow); color: #000; border-radius: 6px; padding: 2px 8px; font-size: 0.72rem; font-weight: 700; }
.badge-evento { background: var(--green); color: #000; border-radius: 6px; padding: 2px 8px; font-size: 0.72rem; font-weight: 700; }

/* PROYECCIÓN */
.card-proyeccion { text-align: center; }
.proy-label { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 4px; }
.proy-monto { font-size: 1.8rem; font-weight: 700; color: var(--text); line-height: 1; }
.proy-monto.alto { color: var(--green); }
.proy-intervalo { font-size: 0.75rem; color: var(--muted); margin-top: 4px; }
.proy-explicacion { font-size: 0.78rem; color: #aaa; margin-top: 6px; line-height: 1.4; }
.proy-confianza { display: inline-block; font-size: 0.7rem; background: var(--bg3); border-radius: 4px; padding: 2px 6px; color: var(--muted); margin-top: 4px; }

/* REAL */
.card-real { background: var(--bg3); border-radius: 10px; padding: 10px 12px; display: flex; align-items: center; justify-content: space-between; }
.real-monto { font-size: 1.1rem; font-weight: 600; }
.real-error { font-size: 0.85rem; font-weight: 600; padding: 2px 8px; border-radius: 6px; }
.real-error.pos { background: rgba(0,200,150,.15); color: var(--green); }
.real-error.neg { background: rgba(255,92,92,.15); color: var(--red); }
.real-progress { width: 100%; height: 4px; background: var(--border); border-radius: 2px; margin-top: 6px; overflow: hidden; }
.real-progress-bar { height: 100%; border-radius: 2px; background: var(--green); transition: width .4s; }
.real-progress-bar.neg { background: var(--red); }

/* MÉTRICAS */
.card-metricas { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.metrica { background: var(--bg3); border-radius: 8px; padding: 9px 11px; }
.metrica span { font-size: 0.7rem; color: var(--muted); display: block; margin-bottom: 3px; }
.metrica strong { font-size: 0.92rem; font-weight: 600; }
.metrica.alerta strong { color: var(--yellow); }

/* STOCK CRÍTICO */
.stock-section { margin-top: 32px; }
.stock-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; margin-top: 12px; }
.stock-item { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; display: flex; align-items: center; justify-content: space-between; }
.stock-nombre { font-size: 0.88rem; }
.stock-dias { font-size: 0.8rem; font-weight: 700; padding: 2px 8px; border-radius: 6px; }
.stock-dias.critico { background: rgba(255,92,92,.15); color: var(--red); }
.stock-dias.advertencia { background: rgba(255,209,102,.15); color: var(--yellow); }
.stock-dias.ok { background: rgba(0,200,150,.15); color: var(--green); }

/* LOADING */
.loading { text-align: center; padding: 60px; color: var(--muted); }
.spinner { display: inline-block; width: 32px; height: 32px; border: 3px solid var(--border); border-top-color: var(--pink); border-radius: 50%; animation: spin .8s linear infinite; margin-bottom: 12px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* RESPONSIVE */
@media (max-width: 600px) {
  .topbar { padding: 12px 16px; }
  .main { padding: 14px; }
  .proy-monto { font-size: 1.5rem; }
  .cards-grid { grid-template-columns: 1fr; }
}