/* Pi Monitor — cristal oscuro sobre luces difusas; acentos verde neón (CPU) y cian (RAM) */
:root {
  --fondo: #06090d;
  --cristal: rgba(22, 30, 38, 0.52);
  --cristal-borde: rgba(255, 255, 255, 0.09);
  --brillo: rgba(255, 255, 255, 0.06);
  --texto: #e7f1f4;
  --tenue: #8b9ea8;
  --pista: rgba(255, 255, 255, 0.07);
  --neon: #3dff9a;
  --cian: #22d3ee;
  --calido: #ffb547;
  --peligro: #ff5470;
  --radio: 28px;
  --f-texto: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-datos: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background: var(--fondo);
  color: var(--texto);
  font-family: var(--f-texto);
  font-size: 15px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }

/* Luces de fondo: dan algo que desenfocar detrás del cristal */
.fondo { position: fixed; inset: 0; overflow: hidden; z-index: 0; }
.fondo span { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.38; }
.fondo span:nth-child(1) { width: 46vmax; height: 46vmax; background: #0f7a55; top: -14vmax; left: -10vmax; }
.fondo span:nth-child(2) { width: 40vmax; height: 40vmax; background: #0b5f7a; bottom: -16vmax; right: -8vmax; }
.fondo span:nth-child(3) { width: 26vmax; height: 26vmax; background: #3a2a6e; top: 38%; left: 44%; opacity: 0.22; }

.panel {
  position: relative; z-index: 1;
  max-width: 1240px; margin: 0 auto;
  padding-inline: max(16px, env(safe-area-inset-left, 0px));
  padding-block: calc(24px + env(safe-area-inset-top, 0px)) calc(24px + env(safe-area-inset-bottom, 0px));
  display: flex; flex-direction: column; gap: 18px;
}

/* Cabecera */
.cabecera { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.identidad { display: flex; align-items: center; gap: 14px; min-width: 0; }
.identidad > div { min-width: 0; }
.chip { width: 44px; height: 44px; flex: none; fill: none; stroke: var(--neon); stroke-width: 2; stroke-linecap: round; }
.chip .nucleo { fill: var(--cian); stroke: none; }
h1 { margin: 0; font-size: clamp(1.35rem, 3.4vw, 1.9rem); font-weight: 800; letter-spacing: -0.02em; text-wrap: balance; }
.tenue { color: var(--tenue); }
.cabecera p { margin: 0; overflow-wrap: anywhere; }
.chico { font-size: 0.82rem; }

.estado {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px; border-radius: 99px;
  background: var(--cristal); border: 1px solid var(--cristal-borde);
  backdrop-filter: blur(18px) saturate(140%); -webkit-backdrop-filter: blur(18px) saturate(140%);
  font-size: 0.85rem; font-weight: 600;
}
.punto { width: 8px; height: 8px; border-radius: 50%; background: var(--calido); }
.estado[data-estado="vivo"] .punto { background: var(--neon); box-shadow: 0 0 0 0 var(--neon); animation: latido 2s infinite; }
.estado[data-estado="caido"] .punto { background: var(--peligro); }
@keyframes latido { 0% { box-shadow: 0 0 0 0 rgba(61, 255, 154, 0.55); } 70% { box-shadow: 0 0 0 9px rgba(61, 255, 154, 0); } 100% { box-shadow: 0 0 0 0 rgba(61, 255, 154, 0); } }

.aviso {
  padding: 12px 18px; border-radius: 18px;
  background: rgba(255, 84, 112, 0.12); border: 1px solid rgba(255, 84, 112, 0.35);
  color: var(--texto); font-weight: 600;
}
.aviso.suave { background: rgba(255, 181, 71, 0.1); border-color: rgba(255, 181, 71, 0.3); }

/* Rejilla */
.rejilla { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 18px; }
.t-cpu, .t-temp, .t-ram { grid-column: span 4; }
.t-grafica { grid-column: span 8; }
.t-disco { grid-column: span 4; }
.t-red, .t-info { grid-column: span 6; }

.tarjeta {
  position: relative; min-width: 0;
  padding: 22px 24px; border-radius: var(--radio);
  background: var(--cristal);
  border: 1px solid var(--cristal-borde);
  box-shadow: inset 0 1px 0 var(--brillo), 0 20px 50px -24px rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(24px) saturate(150%); -webkit-backdrop-filter: blur(24px) saturate(150%);
  display: flex; flex-direction: column; gap: 16px;
}
h2 {
  margin: 0; font-size: 0.78rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--tenue);
}
h2 .chico { text-transform: none; letter-spacing: 0; font-family: var(--f-datos); }

.cifra, .cifra-media, dd, strong, .ips, .escala, .pie { font-family: var(--f-datos); font-variant-numeric: tabular-nums; }
.cifra { font-size: 2.6rem; font-weight: 600; letter-spacing: -0.04em; line-height: 1; }
.cifra-media { font-size: 1.7rem; font-weight: 600; letter-spacing: -0.03em; }
.unidad { color: var(--tenue); font-size: 1rem; margin-left: 2px; }

/* Anillos */
.anillo-caja { position: relative; width: min(170px, 60%); aspect-ratio: 1; max-width: 100%; margin: 0 auto; }
.anillo { width: 100%; height: 100%; transform: rotate(-90deg); }
.anillo circle { fill: none; stroke-width: 9; }
.anillo .pista { stroke: var(--pista); }
.valor-anillo { stroke-linecap: round; stroke-dasharray: 326.73; stroke-dashoffset: 326.73; transition: stroke-dashoffset 0.6s ease, stroke 0.4s; }
.valor-anillo.neon { stroke: var(--neon); filter: drop-shadow(0 0 6px rgba(61, 255, 154, 0.55)); }
.valor-anillo.cian { stroke: var(--cian); filter: drop-shadow(0 0 6px rgba(34, 211, 238, 0.55)); }
.anillo-centro { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }

/* Datos clave/valor */
.datos { margin: 0; display: grid; gap: 10px; }
.datos div { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.datos dt { color: var(--tenue); font-size: 0.86rem; }
.datos dd { margin: 0; font-weight: 600; text-align: right; overflow-wrap: anywhere; }
.datos.columnas { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 28px; }
.datos.columnas div { flex-direction: column; align-items: flex-start; gap: 2px; }
.datos.columnas dd { text-align: left; }

/* Temperatura */
.temp-grande { display: flex; align-items: baseline; }
.temp-grande .cifra { font-size: 3.4rem; transition: color 0.4s; }
.termometro { position: relative; height: 10px; border-radius: 99px; background: var(--pista); }
.termometro-relleno {
  height: 100%; width: 0; border-radius: inherit;
  background: linear-gradient(90deg, var(--cian), var(--neon) 50%, var(--calido) 80%, var(--peligro));
  background-size: 100% 100%;
  transition: width 0.6s ease;
}
.marca { position: absolute; top: -4px; bottom: -4px; width: 2px; background: var(--peligro); border-radius: 2px; opacity: 0.8; }
.escala { display: flex; justify-content: space-between; font-size: 0.72rem; margin-top: -8px; }
.ok-txt { color: var(--neon); }
.calido-txt { color: var(--calido); }
.peligro-txt { color: var(--peligro); }
.neon-txt { color: var(--neon); }
.cian-txt { color: var(--cian); }

/* Gráfica */
.titulo-fila { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.leyenda { display: flex; gap: 14px; font-size: 0.82rem; color: var(--tenue); font-weight: 600; }
.leyenda span { display: inline-flex; align-items: center; gap: 6px; }
.leyenda i { width: 10px; height: 10px; border-radius: 3px; }
.leyenda i.neon { background: var(--neon); }
.leyenda i.cian { background: var(--cian); }
.grafica-caja { position: relative; height: 240px; min-width: 0; }
.sin-grafica { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; margin: 0; padding: 0 12px; }

/* Disco */
.disco-cifras { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.barra { height: 12px; border-radius: 99px; background: var(--pista); overflow: hidden; }
.barra-relleno { height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--neon), var(--cian)); transition: width 0.6s ease; }
.barra-relleno.lleno { background: linear-gradient(90deg, var(--calido), var(--peligro)); }
.t-disco p { margin: -6px 0 0; }

/* Velocidades */
.velocidades { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.velocidades > div {
  display: grid; grid-template-columns: auto 1fr; column-gap: 8px; align-items: baseline;
  padding: 12px 14px; border-radius: 18px; background: rgba(255, 255, 255, 0.035);
}
.velocidades .flecha { grid-row: span 2; font-size: 1.2rem; font-weight: 700; }
.velocidades .tenue { font-size: 0.78rem; }
.velocidades strong { font-weight: 600; white-space: nowrap; }
.velocidades.grandes strong { font-size: 1.35rem; }

/* IPs */
.ips { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.ips li { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ips .ip { font-weight: 600; }
.etiqueta {
  font-family: var(--f-texto); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em;
  padding: 2px 9px; border-radius: 99px; background: rgba(61, 255, 154, 0.12); color: var(--neon);
}
.etiqueta.vpn { background: rgba(34, 211, 238, 0.12); color: var(--cian); }
.ips .nic { color: var(--tenue); font-size: 0.8rem; }

.pie { text-align: center; font-size: 0.75rem; }
.pie a { color: var(--tenue); }
.pie a:hover, .pie a:focus-visible { color: var(--texto); }

/* Pestañas y rol */
.pestanas { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.pestanas [role=tab] {
  font: 700 0.9rem var(--f-texto); color: var(--tenue); cursor: pointer;
  padding: 9px 18px; border-radius: 99px; border: 1px solid transparent; background: transparent;
}
.pestanas [role=tab]:hover { color: var(--texto); background: var(--brillo); }
.pestanas [role=tab][aria-selected="true"] {
  color: var(--texto); background: var(--cristal); border-color: var(--cristal-borde);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
}
.pestanas [role=tab]:focus-visible, .boton:focus-visible, .pie a:focus-visible { outline: 2px solid var(--cian); outline-offset: 2px; }
.rol { margin-left: auto; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--tenue); }
.rol-admin { color: var(--neon); }

/* Botones */
.boton {
  font: 700 0.92rem var(--f-texto); color: var(--texto); cursor: pointer; white-space: nowrap;
  padding: 11px 20px; border-radius: 14px; border: 1px solid var(--cristal-borde); background: rgba(255, 255, 255, 0.06);
  transition: background 0.2s, border-color 0.2s;
}
.boton:hover { background: rgba(255, 255, 255, 0.11); }
.boton:disabled { opacity: 0.5; cursor: wait; }
.principal-btn { color: #052414; background: var(--neon); border-color: transparent; }
.principal-btn:hover { background: #7dffbd; }
.aviso-btn { color: var(--calido); border-color: rgba(255, 181, 71, 0.4); background: rgba(255, 181, 71, 0.08); }
.aviso-btn:hover { background: rgba(255, 181, 71, 0.16); }
.peligro-btn { color: var(--peligro); border-color: rgba(255, 84, 112, 0.45); background: rgba(255, 84, 112, 0.08); }
.peligro-btn:hover { background: rgba(255, 84, 112, 0.18); }
#modal-confirmar.peligro-btn { color: #fff; background: var(--peligro); border-color: transparent; }
.chico-btn { padding: 6px 14px; font-size: 0.8rem; }

/* Control del Sistema */
.vista-control { display: grid; gap: 14px; }
.accion { flex-direction: row; align-items: center; justify-content: space-between; gap: 20px; }
.accion-texto { min-width: 0; display: grid; gap: 6px; }
.accion-texto p { margin: 0; color: var(--tenue); max-width: 62ch; }
.accion-texto strong { color: var(--texto); }
.nota-control { margin: 0; text-align: center; }
code { font-family: var(--f-datos); font-size: 0.9em; }

/* Red y Conectividad */
.vista-red { display: grid; gap: 18px; }
.vel-cifras { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.vel-cifras > div { display: grid; gap: 4px; padding: 14px 16px; border-radius: 18px; background: rgba(255, 255, 255, 0.035); min-width: 0; }
.vel-cifras .tenue { font-size: 0.78rem; }
.vel-cifras strong { font: 600 1.7rem var(--f-datos); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.vel-cifras > div:nth-child(1) strong { color: var(--neon); }
.vel-cifras > div:nth-child(2) strong { color: var(--cian); }
.vel-cifras small { font-size: 0.8rem; color: var(--tenue); font-family: var(--f-texto); letter-spacing: 0; }
.vel-meta { margin: 0; }
.vel-grafica { height: 200px; }
.tabla-caja { overflow-x: auto; min-width: 0; margin-inline: -4px; }
.tabla { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.tabla caption { text-align: left; padding: 0 4px 8px; }
.tabla th { text-align: left; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--tenue); padding: 8px 10px; border-bottom: 1px solid var(--cristal-borde); white-space: nowrap; }
.tabla td { padding: 10px; border-bottom: 1px solid rgba(255, 255, 255, 0.05); vertical-align: middle; }
.tabla tr:last-child td { border-bottom: 0; }
.tabla .num { text-align: right; font-family: var(--f-datos); font-variant-numeric: tabular-nums; white-space: nowrap; }
.tabla .mono { font-family: var(--f-datos); font-size: 0.82rem; white-space: nowrap; }

/* Terminal */
.terminal-tarjeta { padding: 16px; gap: 12px; }
.terminal-barra { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.terminal-botones { display: flex; gap: 6px; flex-wrap: wrap; }
.terminal-marco {
  /* Casi toda la ventana: cabecera, pestañas y barra de la terminal ocupan ~230 px */
  height: max(320px, calc(100dvh - 250px)); min-width: 0;
  padding: 10px 6px 10px 12px; border-radius: 16px; background: #0a1016; border: 1px solid var(--cristal-borde);
}
.terminal { width: 100%; height: 100%; padding: 0; border: 0; overflow: hidden; }
.terminal .xterm { height: 100%; }
.terminal .xterm-viewport { background: transparent !important; }
.terminal-nota { margin: 0; }
/* Pantalla completa: la tarjeta tapa todo y la terminal crece hasta el borde */
.terminal-tarjeta.completa {
  position: fixed; inset: 0; z-index: 20; border-radius: 0; border: 0; background: var(--fondo);
  padding: calc(10px + env(safe-area-inset-top, 0px)) max(10px, env(safe-area-inset-right, 0px))
           calc(10px + env(safe-area-inset-bottom, 0px)) max(10px, env(safe-area-inset-left, 0px));
}
.terminal-tarjeta.completa .terminal-marco { height: auto; flex: 1; min-height: 0; }
.terminal-tarjeta.completa .terminal-nota { display: none; }
body:has(.terminal-tarjeta.completa) { overflow: hidden; }

/* Ventana de confirmación y aviso */
.modal {
  position: fixed; inset: 0; z-index: 10; display: grid; place-items: center; padding-inline: 16px;
  background: rgba(3, 6, 9, 0.6); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.modal-caja { width: min(440px, 100%); background: rgba(16, 23, 30, 0.92); }
.modal-caja h3 { margin: 0; font-size: 1.2rem; font-weight: 800; }
.modal-caja p { margin: 0; color: var(--tenue); }
.modal-botones { display: flex; justify-content: flex-end; gap: 10px; flex-wrap: wrap; }
.toast {
  position: fixed; z-index: 11; left: 50%; transform: translateX(-50%);
  bottom: calc(20px + env(safe-area-inset-bottom, 0px)); max-width: calc(100% - 32px);
  padding: 12px 18px; border-radius: 14px; font-weight: 600;
  background: rgba(16, 23, 30, 0.95); border: 1px solid var(--cristal-borde); box-shadow: 0 12px 30px -10px #000;
}
.toast.ok { border-color: rgba(61, 255, 154, 0.5); color: var(--neon); }
.toast.error { border-color: rgba(255, 84, 112, 0.5); color: var(--peligro); }

/* Tablet */
@media (max-width: 1000px) {
  .t-cpu, .t-ram { grid-column: span 6; }
  .t-temp { grid-column: span 12; }
  .t-grafica { grid-column: span 12; }
  .t-disco { grid-column: span 12; }
  .t-red, .t-info { grid-column: span 6; }
}
/* Teléfono */
@media (max-width: 640px) {
  .rejilla { gap: 14px; }
  .rejilla > .tarjeta { grid-column: 1 / -1; }
  .tarjeta { padding: 18px; border-radius: 24px; }
  .t-cpu, .t-ram { display: grid; grid-template-columns: 112px minmax(0, 1fr); align-items: center; }
  .t-cpu h2, .t-ram h2 { grid-column: 1 / -1; }
  .anillo-caja { width: 112px; margin: 0; }
  .cifra { font-size: 1.9rem; }
  .temp-grande .cifra { font-size: 2.8rem; }
  .grafica-caja { height: 200px; }
  .datos.columnas { grid-template-columns: minmax(0, 1fr); }
  .cabecera .estado { order: -1; }
  .accion { flex-direction: column; align-items: stretch; }
  .accion .boton { width: 100%; }
  .pestanas [role=tab] { padding: 8px 14px; }
  .terminal-marco { height: max(280px, calc(100dvh - 300px)); padding: 6px 4px 6px 8px; }
  .terminal-tarjeta { padding: 12px; }
  .vel-cifras { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .vel-cifras strong { font-size: 1.4rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}