:root {
  --bg: #0a0f1a;
  --bg2: #0e1626;
  --card: #121c2e;
  --card2: #16223a;
  --line: #22314c;
  --text: #e8eefc;
  --muted: #8b9bb8;
  --dim: #63748f;
  --accent: #4f8cff;
  --accent2: #22d3a6;
  --warn: #ffb020;
  --danger: #ff5f6d;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background:
    radial-gradient(1100px 600px at 15% -10%, rgba(79, 140, 255, .16), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(34, 211, 166, .10), transparent 55%),
    var(--bg);
  color: var(--text);
  font: 14px/1.5 "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { margin: 0; font-weight: 650; letter-spacing: -.01em; }
.muted { color: var(--muted); font-weight: 400; }
.dim { color: var(--dim); }

/* ---------- barra superior ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 12px 26px;
  background: rgba(10, 15, 26, .85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 230px; }

.logo {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, var(--accent), #2f5fd0);
  box-shadow: 0 6px 18px rgba(79, 140, 255, .32);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .5px;
}

.brand h1 { font-size: 16px; }
.brand p { margin: 1px 0 0; font-size: 12px; color: var(--muted); }

.nav { display: flex; gap: 4px; flex-wrap: wrap; }

.nav a {
  padding: 7px 12px;
  border-radius: 9px;
  color: var(--muted);
  font-size: 13px;
  border: 1px solid transparent;
}

.nav a:hover { color: var(--text); background: var(--card2); text-decoration: none; }
.nav a.activo { color: var(--text); background: var(--card2); border-color: var(--line); }

.state { display: flex; gap: 8px; flex-wrap: wrap; margin-left: auto; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 11px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--muted);
  white-space: nowrap;
}

.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--dim); }
.dot.ok { background: var(--accent2); box-shadow: 0 0 0 3px rgba(34, 211, 166, .16); }
.dot.bad { background: var(--danger); box-shadow: 0 0 0 3px rgba(255, 95, 109, .16); }
.dot.warn { background: var(--warn); box-shadow: 0 0 0 3px rgba(255, 176, 32, .16); }

.usuario { display: flex; align-items: center; gap: 8px; }
.usuario form { margin: 0; }

button, .boton {
  font: inherit;
  font-size: 12.5px;
  cursor: pointer;
  padding: 8px 13px;
  border-radius: 9px;
  background: var(--card2);
  color: var(--text);
  border: 1px solid var(--line);
  transition: .15s ease;
  display: inline-block;
}

button:hover, .boton:hover { border-color: #33507a; background: #1b2a45; text-decoration: none; }

button.primary, .boton.primary {
  background: linear-gradient(145deg, var(--accent), #3566d6);
  border-color: transparent;
  font-weight: 600;
}

button.primary:hover, .boton.primary:hover { filter: brightness(1.08); }
button.peligro { border-color: #4a1c24; color: #ffb3ba; }

/* ---------- estructura ---------- */
main {
  max-width: 1440px;
  margin: 0 auto;
  padding: 20px 26px 60px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card {
  background: linear-gradient(180deg, var(--card), var(--bg2));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .22);
}

.card > h2 {
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--muted);
  margin-bottom: 14px;
}

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; }

.kpi {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--card), var(--bg2));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.kpi::after { content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--accent); opacity: .75; }
.kpi.k2::after { background: var(--accent2); }
.kpi.k3::after { background: var(--warn); }
.kpi.k4::after { background: var(--danger); }

.kpi .etiqueta { font-size: 11.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--dim); }
.kpi .valor { font-size: 31px; font-weight: 750; line-height: 1.15; margin-top: 6px; font-variant-numeric: tabular-nums; }
.kpi .pista { font-size: 12px; color: var(--muted); margin-top: 2px; }

.paneles { display: grid; grid-template-columns: 1.55fr 1fr; gap: 14px; }
@media (max-width: 980px) { .paneles { grid-template-columns: 1fr; } }

/* ---------- gráfico ---------- */
.grafico { display: flex; flex-direction: column; gap: 6px; }
.barras { display: flex; align-items: flex-end; gap: 3px; height: 210px; padding-top: 8px; }
.barra {
  flex: 1 1 0;
  min-width: 3px;
  border-radius: 3px 3px 0 0;
  background: linear-gradient(180deg, #6aa0ff, #2f5fd0);
  position: relative;
  transition: .15s;
}
.barra:hover { filter: brightness(1.2); }
.barra:nth-child(12n + 1) { background: linear-gradient(180deg, #7fb0ff, #3566d6); }
.eje { display: flex; gap: 3px; }
.eje span { flex: 1 1 0; font-size: 10px; color: var(--dim); text-align: center; white-space: nowrap; overflow: hidden; }

/* ---------- distribución ---------- */
.dist { display: flex; flex-direction: column; gap: 12px; }
.distfila { display: grid; grid-template-columns: 128px 1fr 46px; align-items: center; gap: 10px; font-size: 12.5px; }
.pista-barra { display: block; height: 9px; border-radius: 99px; background: #1a2740; overflow: hidden; }
.relleno { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--accent), #7aa8ff); }
.relleno.teal { background: linear-gradient(90deg, #12a884, var(--accent2)); }
.relleno.amber { background: linear-gradient(90deg, #c9820f, var(--warn)); }
.num { text-align: right; font-variant-numeric: tabular-nums; color: #c8d6ef; }

/* ---------- avisos ---------- */
.avisos { display: grid; gap: 10px; }

.aviso {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  border: 1px solid #4a3417;
  background: linear-gradient(180deg, #241a0d, #1a1409);
  border-left: 3px solid var(--warn);
  border-radius: 11px;
  padding: 13px 15px;
}

.aviso.malo { border-color: #4a1c24; background: linear-gradient(180deg, #2a1218, #1a0c10); border-left-color: var(--danger); }
.aviso.info { border-color: #1d3557; background: linear-gradient(180deg, #0f1d31, #0b1524); border-left-color: var(--accent); }
.aviso .icono { font-size: 16px; line-height: 1.4; }
.aviso h3 { font-size: 13px; margin: 0 0 3px; }
.aviso p { margin: 0; font-size: 12.5px; color: var(--muted); }
.aviso code, code {
  font-family: Consolas, ui-monospace, monospace;
  font-size: 11.5px;
  color: #c8d6ef;
  background: #0a1220;
  padding: 1px 5px;
  border-radius: 5px;
}

/* ---------- mensajes ---------- */
.mensajes { display: grid; gap: 8px; }
.mensaje {
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 13px;
  border: 1px solid var(--line);
  background: var(--card);
}
.mensaje.success { border-color: #1f4d3c; background: #0c211a; color: #8ff0cd; }
.mensaje.error { border-color: #4a1c24; background: #1e0f13; color: #ffb3ba; }
.mensaje.info { border-color: #1d3557; background: #0f1d31; }

/* ---------- tabla ---------- */
.barra-herramientas { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.barra-herramientas h2 { font-size: 12.5px; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); }
.espaciador { flex: 1 1 auto; }

input[type="search"], input[type="text"], input[type="password"], input[type="email"], select, textarea {
  font: inherit;
  font-size: 13px;
  color: var(--text);
  background: #0c1524;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 8px 11px;
  outline: none;
  width: 100%;
}

input[type="search"] { min-width: 240px; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79, 140, 255, .15); }

.tabla-envoltura { overflow: auto; max-height: min(64vh, 760px); border: 1px solid var(--line); border-radius: 11px; }

table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 13px; }

thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: #101a2b;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .07em;
  font-weight: 600;
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

thead th a { color: inherit; }
thead th a:hover { color: var(--text); text-decoration: none; }
thead th .flecha { opacity: .55; font-size: 10px; margin-left: 4px; }

tbody td { padding: 9px 12px; border-bottom: 1px solid #1a2740; vertical-align: middle; }
tbody tr:hover { background: #141f33; }
tbody tr:last-child td { border-bottom: none; }

.mono { font-family: Consolas, ui-monospace, "SF Mono", monospace; font-variant-numeric: tabular-nums; }
.idcelda { font-weight: 600; letter-spacing: .02em; }
.copiar { cursor: pointer; border-bottom: 1px dashed #3a5480; color: #c8d6ef; background: none; border-top: 0; border-left: 0; border-right: 0; padding: 0; font: inherit; }
.copiar:hover { color: #fff; border-color: var(--accent); }

.etiqueta-chip {
  display: inline-block;
  font-size: 10.5px;
  padding: 2px 7px;
  border-radius: 6px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: #0e1828;
  margin: 1px 3px 1px 0;
}
.etiqueta-chip.lan { border-color: #1f4d3c; color: #5fe0b8; background: #0c211a; }
.etiqueta-chip.dup { border-color: #4a3417; color: var(--warn); background: #1e150a; }
.etiqueta-chip.alias { border-color: #2b3f6b; color: #9db4ff; background: #101a2e; }

.vacio { padding: 34px; text-align: center; color: var(--dim); }

.paginador { display: flex; gap: 8px; align-items: center; justify-content: flex-end; padding-top: 12px; flex-wrap: wrap; }
.paginador .info { margin-right: auto; color: var(--dim); font-size: 12px; }
.paginador a, .paginador span.actual {
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--muted);
}
.paginador span.actual { color: var(--text); background: var(--card2); }
.paginador a:hover { background: var(--card2); text-decoration: none; }

footer.pie {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 26px 40px;
  color: var(--dim);
  font-size: 11.5px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- formularios ---------- */
.formulario { display: flex; flex-direction: column; gap: 14px; max-width: 720px; }
.campo label { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 5px; }
.campo .ayuda { font-size: 11.5px; color: var(--dim); margin-top: 4px; }
.campo.error textarea, .campo.error input { border-color: var(--danger); }
.errorlist { margin: 6px 0 0; padding: 0; list-style: none; color: #ffb3ba; font-size: 12px; }
.opciones-etiquetas { display: flex; flex-wrap: wrap; gap: 8px; }
.opciones-etiquetas label { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--text); background: #0c1524; border: 1px solid var(--line); padding: 6px 10px; border-radius: 8px; margin: 0; cursor: pointer; }
.opciones-etiquetas input { width: auto; }

.ficha { display: grid; grid-template-columns: 160px 1fr; gap: 8px 16px; font-size: 13px; }
.ficha dt { color: var(--dim); }
.ficha dd { margin: 0; }

/* ---------- login ---------- */
.login-caja { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-tarjeta { width: 100%; max-width: 380px; }
.login-tarjeta .logo { margin-bottom: 14px; }
.login-tarjeta h1 { font-size: 20px; margin-bottom: 4px; }
.login-tarjeta p { color: var(--muted); font-size: 13px; margin: 0 0 18px; }

@media print {
  body { background: #fff; color: #000; }
  .topbar, .state, .nav, .barra-herramientas, .paginador, .boton, button { display: none !important; }
  .card, .kpi { background: #fff; border-color: #ccc; box-shadow: none; }
  .tabla-envoltura { max-height: none; border: none; }
  thead th { position: static; background: #eee; color: #000; }
  .muted, .dim, .kpi .etiqueta { color: #555; }
  .kpi .valor { color: #000; }
}