/* ============================================================
   Amparo — Design System (web)
   Dark theme · Inter · Lucide-style icons (stroke 1.6)
   ============================================================ */
:root{
  --bg:#050810;
  --surface:#0d1117;
  --surface-2:#161b22;
  --border:#21262d;
  --border-soft:rgba(255,255,255,.08);

  /* Marca (UI, estados, acentos) */
  --green:#34d399;
  --red:#f87171;
  --amber:#fbbf24;
  --blue:#60a5fa;

  /* Series de datos (validadas para fondo oscuro — no usar los acentos de UI en marcas de datos) */
  --series-blue:#3987e5;
  --series-amber:#c98500;

  /* Tinta */
  --text:#f0f6fc;
  --text-2:#c9d1d9;
  --muted:#8b949e;
  --grid:#1c2129;
  --axis:#30363d;

  --radius:14px;
  --radius-sm:10px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}

/* ---------- Iconos ---------- */
svg.ic{
  width:1em;height:1em;
  stroke:currentColor;stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round;
  fill:none;vertical-align:-.125em;flex-shrink:0;
}

/* ---------- Utilidades ---------- */
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}
a{color:var(--blue);text-decoration:none}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:inherit;font-size:14.5px;font-weight:600;
  padding:11px 20px;border-radius:12px;cursor:pointer;
  border:1px solid var(--border);background:var(--surface-2);color:var(--text);
  transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease;
}
.btn:hover{transform:translateY(-1px);border-color:var(--muted)}
.btn-primary{
  background:linear-gradient(135deg,var(--green),#22b380);
  border-color:transparent;color:#052015;
  box-shadow:0 8px 24px rgba(52,211,153,.25);
}
.btn-primary:hover{box-shadow:0 10px 30px rgba(52,211,153,.35);border-color:transparent}
.btn-ghost{background:transparent}
.btn-lg{font-size:16px;padding:14px 28px;border-radius:14px}
.btn-sm{font-size:13px;padding:7px 14px;border-radius:10px}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}

/* ---------- Tarjetas ---------- */
.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px;
}
.card h2,.card-title{
  font-size:12.5px;font-weight:600;letter-spacing:.5px;
  text-transform:uppercase;color:var(--muted);
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}

/* ---------- Badges / estados ---------- */
.badge{
  display:inline-flex;align-items:center;gap:5px;
  font-size:11px;font-weight:600;padding:3px 9px;border-radius:20px;
}
.b-ok{background:rgba(52,211,153,.14);color:var(--green)}
.b-warn{background:rgba(251,191,36,.14);color:var(--amber)}
.b-crit{background:rgba(248,113,113,.14);color:var(--red)}
.b-idle{background:rgba(139,148,158,.14);color:var(--muted)}

/* ---------- Header de app / nav landing ---------- */
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 0;
}
.brand{display:flex;align-items:center;gap:12px}
.brand .logo{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--green),var(--blue));
  display:grid;place-items:center;color:#052015;font-size:21px;
  box-shadow:0 6px 20px rgba(52,211,153,.25);
}
.brand b{font-size:19px;font-weight:800;letter-spacing:-.4px}
.brand small{display:block;font-size:11.5px;color:var(--muted);font-weight:500;margin-top:-3px}

/* ---------- Formularios ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:7px}
.field input{
  width:100%;font-family:inherit;font-size:15px;color:var(--text);
  background:var(--surface-2);border:1px solid var(--border);
  border-radius:11px;padding:12px 14px;outline:none;
  transition:border-color .15s ease,box-shadow .15s ease;
}
.field input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(52,211,153,.15)}
.field input::placeholder{color:#484f58}

/* ---------- Stat tiles ---------- */
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media(max-width:900px){.tiles{grid-template-columns:repeat(2,1fr)}}
.tile{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px}
.tile .lbl{font-size:12.5px;color:var(--muted);font-weight:500}
.tile .val{font-size:28px;font-weight:700;letter-spacing:-.6px;margin-top:2px}
.tile .delta{font-size:12px;font-weight:600;margin-top:2px;display:inline-flex;align-items:center;gap:4px}
.delta.up-good{color:var(--green)}
.delta.down-bad{color:var(--red)}
.delta.neutral{color:var(--muted)}

/* ---------- Filtros (rango de fechas) ---------- */
.filters{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.seg{
  display:inline-flex;background:var(--surface);border:1px solid var(--border);
  border-radius:11px;padding:3px;gap:2px;
}
.seg button{
  font-family:inherit;font-size:13px;font-weight:600;color:var(--muted);
  background:transparent;border:0;border-radius:8px;padding:7px 14px;cursor:pointer;
  transition:color .15s,background .15s;
}
.seg button:hover{color:var(--text-2)}
.seg button.on{background:var(--surface-2);color:var(--text);box-shadow:inset 0 0 0 1px var(--border)}

/* ---------- Gráficos ---------- */
.chart-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.chart-sub{font-size:12px;color:var(--muted);margin-top:-10px;margin-bottom:10px}
.chart-wrap{position:relative}
.chart-wrap svg{display:block;width:100%;height:auto}
.gridline{stroke:var(--grid);stroke-width:1}
.axisline{stroke:var(--axis);stroke-width:1}
.tick{fill:var(--muted);font-size:10.5px;font-family:var(--font)}
.dlabel{fill:var(--text-2);font-size:11px;font-weight:600;font-family:var(--font)}

.viz-tooltip{
  position:absolute;pointer-events:none;z-index:30;
  background:#010409;border:1px solid var(--border);border-radius:10px;
  padding:9px 12px;font-size:12px;line-height:1.5;min-width:120px;
  box-shadow:0 12px 32px rgba(0,0,0,.5);opacity:0;transition:opacity .12s ease;
}
.viz-tooltip .tt-title{color:var(--muted);font-size:11px;margin-bottom:3px}
.viz-tooltip .tt-row{display:flex;align-items:center;gap:7px}
.viz-tooltip .tt-key{width:12px;height:0;border-top:2.5px solid;border-radius:2px}
.viz-tooltip .tt-val{font-weight:700;color:var(--text)}
.viz-tooltip .tt-name{color:var(--muted)}
.crosshair{stroke:var(--axis);stroke-width:1;opacity:0}

/* Tabla de datos (vista accesible de cada gráfico) */
.tbl-toggle{
  font-family:inherit;font-size:11.5px;font-weight:600;color:var(--muted);
  background:transparent;border:1px solid var(--border);border-radius:8px;
  padding:4px 10px;cursor:pointer;
}
.tbl-toggle:hover{color:var(--text-2);border-color:var(--muted)}
.data-table{width:100%;border-collapse:collapse;font-size:12.5px;margin-top:10px}
.data-table th{color:var(--muted);font-weight:600;text-align:left;padding:7px 10px;border-bottom:1px solid var(--border)}
.data-table td{padding:6px 10px;border-bottom:1px solid var(--grid);font-variant-numeric:tabular-nums;color:var(--text-2)}

/* ---------- Tablas de app ---------- */
.list-table{width:100%;border-collapse:collapse;font-size:13.5px}
.list-table th{
  text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.4px;
  color:var(--muted);font-weight:600;padding:10px 12px;border-bottom:1px solid var(--border);
}
.list-table td{padding:11px 12px;border-bottom:1px solid var(--grid);color:var(--text-2)}
.list-table tr:last-child td{border-bottom:0}

/* ---------- Alertas ---------- */
.alert-item{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--surface-2);border:1px solid var(--border);
  border-left:3px solid var(--muted);border-radius:11px;
  padding:12px 14px;margin-bottom:10px;
}
.alert-item.crit{border-left-color:var(--red)}
.alert-item.warn{border-left-color:var(--amber)}
.alert-item .ai-ic{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;flex-shrink:0;
}
.alert-item.crit .ai-ic{background:rgba(248,113,113,.14);color:var(--red)}
.alert-item.warn .ai-ic{background:rgba(251,191,36,.14);color:var(--amber)}
.alert-item .ai-t{font-size:13.5px;font-weight:700}
.alert-item .ai-d{font-size:12px;color:var(--muted)}

/* ---------- Toast ---------- */
.toast{
  position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(140%);
  background:var(--surface-2);border:1px solid var(--border);color:var(--text);
  padding:13px 20px;border-radius:13px;font-size:14px;font-weight:600;z-index:99;
  box-shadow:0 18px 50px rgba(0,0,0,.55);
  display:flex;align-items:center;gap:10px;
  transition:transform .4s cubic-bezier(.2,1.2,.4,1);
}
.toast.show{transform:translateX(-50%) translateY(0)}