/* =====================================================================
   INGSTELIN · Sistema de marca para Blazor
   Ingeniería • Servicios de Telecomunicaciones • Internet
   ---------------------------------------------------------------------
   Uso:  <link rel="stylesheet" href="css/ingstelin-brand.css" />
   Tema oscuro: <html data-theme="dark">  (o automático por sistema)
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@300;400;500;600;700&family=Barlow+Semi+Condensed:wght@500;600;700&family=JetBrains+Mono:wght@400;600&display=swap');

:root {
  /* ---- Colores de marca (extraídos del logo) ---- */
  --ing-azul:            #0098DB;  /* Antena · color primario          */
  --ing-azul-600:        #0083BD;
  --ing-azul-700:        #0072A8;  /* Texto/enlaces sobre blanco (AA)   */
  --ing-azul-800:        #005A85;
  --ing-azul-100:        #E0F3FB;
  --ing-azul-50:         #F0F9FD;
  --ing-gris-globo:      #A7A9AC;  /* Globo                             */
  --ing-gris-logotipo:   #808285;  /* Palabra INGSTELIN                 */
  --ing-gris-alimentador:#666666;  /* "A" / alimentador                 */
  --ing-grafito:         #3A3C3F;
  --ing-negro:           #1A1A1A;  /* Eslogan                           */
  --ing-noche:           #0D1B2A;  /* Fondo institucional oscuro        */
  --ing-noche-700:       #13263A;
  --ing-noche-600:       #1B3149;

  /* ---- Estados de red / operación ---- */
  --ing-ok:        #1E9E5A;   --ing-ok-bg:        #E5F5EC;
  --ing-alerta:    #D98E04;   --ing-alerta-bg:    #FDF3DC;
  --ing-critico:   #D64545;   --ing-critico-bg:   #FBE7E7;
  --ing-info:      var(--ing-azul-700); --ing-info-bg: var(--ing-azul-100);
  --ing-neutro:    #6B7280;   --ing-neutro-bg:    #EEF0F2;

  /* ---- Tokens semánticos (tema claro) ---- */
  --ing-bg:            #F4F6F8;
  --ing-surface:       #FFFFFF;
  --ing-surface-2:     #F9FAFB;
  --ing-border:        #E3E6EA;
  --ing-border-strong: #CDD2D8;
  --ing-text:          #1A1A1A;
  --ing-text-2:        #4B5157;
  --ing-text-3:        #80868C;
  --ing-primary:       var(--ing-azul);
  --ing-primary-hover: var(--ing-azul-600);
  --ing-link:          var(--ing-azul-700);
  --ing-focus:         0 0 0 3px rgba(0,152,219,.35);

  --ing-sidebar-bg:    var(--ing-noche);
  --ing-sidebar-text:  #C9D1DA;
  --ing-sidebar-active:#FFFFFF;

  /* ---- Tipografía ---- */
  --ing-font:       'Barlow', 'Segoe UI', system-ui, sans-serif;
  --ing-font-cond:  'Barlow Semi Condensed', 'Barlow', 'Arial Narrow', sans-serif;
  --ing-font-mono:  'JetBrains Mono', Consolas, monospace;
  --ing-fs-xs: .75rem;  --ing-fs-sm: .875rem; --ing-fs-md: 1rem;
  --ing-fs-lg: 1.125rem; --ing-fs-xl: 1.375rem; --ing-fs-2xl: 1.75rem; --ing-fs-3xl: 2.25rem;

  /* ---- Espaciado, radios, sombras ---- */
  --ing-s1: 4px; --ing-s2: 8px; --ing-s3: 12px; --ing-s4: 16px; --ing-s5: 24px; --ing-s6: 32px; --ing-s7: 48px;
  --ing-radius-sm: 6px; --ing-radius: 10px; --ing-radius-lg: 14px; --ing-radius-pill: 999px;
  --ing-shadow-sm: 0 1px 2px rgba(13,27,42,.06);
  --ing-shadow:    0 1px 3px rgba(13,27,42,.08), 0 4px 12px rgba(13,27,42,.05);
  --ing-shadow-lg: 0 10px 30px rgba(13,27,42,.14);

  --ing-sidebar-w: 260px;
  --ing-topbar-h: 64px;

  /* ---- Rutas de logos ---- */
  --ing-logo-color:    url('../brand/logos/ingstelin-horizontal-sin-eslogan-color.svg');
  --ing-logo-negativo: url('../brand/logos/ingstelin-horizontal-sin-eslogan-negativo.svg');
}

/* ---- Tema oscuro ---- */
:root[data-theme="dark"] {
  --ing-bg: #0A1520; --ing-surface: #0F1E2D; --ing-surface-2: #13263A;
  --ing-border: #1E3348; --ing-border-strong: #2A4560;
  --ing-text: #E8EDF2; --ing-text-2: #AEB9C5; --ing-text-3: #7E8B98;
  --ing-link: #4DB8E8; --ing-sidebar-bg: #07111B;
  --ing-ok-bg: rgba(30,158,90,.16); --ing-alerta-bg: rgba(217,142,4,.16);
  --ing-critico-bg: rgba(214,69,69,.16); --ing-info-bg: rgba(0,152,219,.16); --ing-neutro-bg: rgba(255,255,255,.07);
  --ing-info: #4DB8E8;
}
@media (prefers-color-scheme: dark) {
  :root[data-theme="auto"] {
    --ing-bg: #0A1520; --ing-surface: #0F1E2D; --ing-surface-2: #13263A;
    --ing-border: #1E3348; --ing-border-strong: #2A4560;
    --ing-text: #E8EDF2; --ing-text-2: #AEB9C5; --ing-text-3: #7E8B98;
    --ing-link: #4DB8E8; --ing-sidebar-bg: #07111B; --ing-info: #4DB8E8;
    --ing-ok-bg: rgba(30,158,90,.16); --ing-alerta-bg: rgba(217,142,4,.16);
    --ing-critico-bg: rgba(214,69,69,.16); --ing-info-bg: rgba(0,152,219,.16); --ing-neutro-bg: rgba(255,255,255,.07);
  }
}

/* =====================================================================
   Base
   ===================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--ing-font); font-size: var(--ing-fs-md); line-height: 1.5;
  color: var(--ing-text); background: var(--ing-bg);
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4 { font-family: var(--ing-font); color: var(--ing-text); line-height: 1.2; margin: 0 0 var(--ing-s3); }
h1 { font-size: var(--ing-fs-3xl); font-weight: 300; letter-spacing: .01em; }
h2 { font-size: var(--ing-fs-2xl); font-weight: 400; }
h3 { font-size: var(--ing-fs-xl);  font-weight: 600; }
h4 { font-size: var(--ing-fs-lg);  font-weight: 600; }
a { color: var(--ing-link); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: none; box-shadow: var(--ing-focus); border-radius: var(--ing-radius-sm); }
.ing-eyebrow {
  font-family: var(--ing-font-cond); font-weight: 600; font-size: var(--ing-fs-xs);
  letter-spacing: .12em; text-transform: uppercase; color: var(--ing-text-3);
}
.ing-mono { font-family: var(--ing-font-mono); font-size: .9em; }
.ing-muted { color: var(--ing-text-2); }

/* =====================================================================
   Layout del portal (sidebar + topbar)
   ===================================================================== */
.ing-shell { display: grid; grid-template-columns: var(--ing-sidebar-w) 1fr; min-height: 100vh; }
.ing-sidebar {
  background: var(--ing-sidebar-bg); color: var(--ing-sidebar-text);
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.ing-sidebar__brand { height: var(--ing-topbar-h); display: flex; align-items: center; padding: 0 var(--ing-s5); border-bottom: 1px solid rgba(255,255,255,.06); }
.ing-sidebar__brand img { height: 30px; width: auto; display: block; }
.ing-sidebar__section { padding: var(--ing-s5) var(--ing-s5) var(--ing-s2); font-family: var(--ing-font-cond); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: #6F8296; }
.ing-nav { list-style: none; margin: 0; padding: 0 var(--ing-s3); }
.ing-nav a {
  display: flex; align-items: center; gap: var(--ing-s3); padding: 10px var(--ing-s3);
  border-radius: var(--ing-radius-sm); color: var(--ing-sidebar-text); font-weight: 500; font-size: var(--ing-fs-sm);
  text-decoration: none; position: relative; transition: background .15s, color .15s;
}
.ing-nav a:hover { background: rgba(255,255,255,.05); color: #fff; }
.ing-nav a.active { background: rgba(0,152,219,.16); color: var(--ing-sidebar-active); }
.ing-nav a.active::before { content: ""; position: absolute; left: -12px; top: 8px; bottom: 8px; width: 3px; border-radius: 0 3px 3px 0; background: var(--ing-azul); }
.ing-nav svg { width: 18px; height: 18px; flex: none; opacity: .85; }
.ing-sidebar__footer { margin-top: auto; padding: var(--ing-s4) var(--ing-s5); font-size: var(--ing-fs-xs); color: #6F8296; border-top: 1px solid rgba(255,255,255,.06); }

.ing-main { display: flex; flex-direction: column; min-width: 0; }
.ing-topbar {
  height: var(--ing-topbar-h); background: var(--ing-surface); border-bottom: 1px solid var(--ing-border);
  display: flex; align-items: center; gap: var(--ing-s4); padding: 0 var(--ing-s6); position: sticky; top: 0; z-index: 10;
}
.ing-topbar__title { font-weight: 600; font-size: var(--ing-fs-lg); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.ing-grid > *, .ing-main { min-width: 0; }
@media (max-width: 640px) {
  .ing-topbar input[type="search"] { display: none; }
  .ing-content { padding-top: var(--ing-s5); }
}
.ing-topbar__spacer { flex: 1; }
.ing-content { padding: var(--ing-s6); max-width: 1440px; width: 100%; }
.ing-page-header { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--ing-s4); margin-bottom: var(--ing-s5); flex-wrap: wrap; }
.ing-page-header h1 { margin: 4px 0 0; font-size: var(--ing-fs-2xl); font-weight: 400; }

.ing-backdrop { display: none; }
.ing-menu-toggle { display: none; background: none; border: 0; padding: 6px; cursor: pointer; color: var(--ing-text); }
@media (max-width: 960px) {
  .ing-shell { grid-template-columns: 1fr; }
  .ing-sidebar { position: fixed; inset: 0 auto 0 0; width: var(--ing-sidebar-w); z-index: 50; transform: translateX(-100%); transition: transform .2s; }
  .ing-shell.is-open .ing-sidebar,
  #ing-nav-toggle:checked ~ .ing-sidebar { transform: none; box-shadow: var(--ing-shadow-lg); }
  #ing-nav-toggle:checked ~ .ing-backdrop { display: block; }
  .ing-backdrop { display: none; position: fixed; inset: 0; background: rgba(13,27,42,.45); z-index: 40; }
  .ing-menu-toggle { display: inline-flex; }
  .ing-topbar, .ing-content { padding-left: var(--ing-s4); padding-right: var(--ing-s4); }
}

/* =====================================================================
   Componentes
   ===================================================================== */
.ing-card { background: var(--ing-surface); border: 1px solid var(--ing-border); border-radius: var(--ing-radius-lg); box-shadow: var(--ing-shadow-sm); }
.ing-card__header { display: flex; align-items: center; justify-content: space-between; padding: var(--ing-s4) var(--ing-s5); border-bottom: 1px solid var(--ing-border); }
.ing-card__header h3 { margin: 0; font-size: var(--ing-fs-md); font-weight: 600; }
.ing-card__body { padding: var(--ing-s5); }

.ing-grid { display: grid; gap: var(--ing-s4); }
.ing-grid--kpi { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin-bottom: var(--ing-s5); }
.ing-grid--2 { grid-template-columns: 2fr 1fr; }
@media (max-width: 1100px) { .ing-grid--2 { grid-template-columns: 1fr; } }

/* KPI */
.ing-kpi { padding: var(--ing-s5); position: relative; overflow: hidden; }
.ing-kpi__label { font-family: var(--ing-font-cond); font-size: var(--ing-fs-xs); font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--ing-text-3); }
.ing-kpi__value { font-size: 2rem; font-weight: 300; margin-top: 6px; line-height: 1.1; font-variant-numeric: tabular-nums; }
.ing-kpi__value small { font-size: .9rem; color: var(--ing-text-3); font-weight: 400; margin-left: 4px; }
.ing-kpi__delta { font-size: var(--ing-fs-sm); margin-top: 6px; color: var(--ing-text-2); }
.ing-kpi__delta.up { color: var(--ing-ok); } .ing-kpi__delta.down { color: var(--ing-critico); }
.ing-kpi::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--ing-kpi-accent, var(--ing-azul)); }

/* Botones */
.ing-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 40px; padding: 0 18px; border-radius: var(--ing-radius-sm); border: 1px solid transparent;
  font: 600 var(--ing-fs-sm)/1 var(--ing-font); cursor: pointer; text-decoration: none; transition: background .15s, border-color .15s, color .15s;
}
.ing-btn:hover { text-decoration: none; }
.ing-btn--primary { background: var(--ing-primary); color: #fff; }
.ing-btn--primary:hover { background: var(--ing-primary-hover); }
.ing-btn--secondary { background: var(--ing-surface); color: var(--ing-text); border-color: var(--ing-border-strong); }
.ing-btn--secondary:hover { border-color: var(--ing-azul); color: var(--ing-link); }
.ing-btn--ghost { background: transparent; color: var(--ing-link); }
.ing-btn--ghost:hover { background: var(--ing-azul-50); }
.ing-btn--danger { background: var(--ing-critico); color: #fff; }
.ing-btn--sm { height: 32px; padding: 0 12px; font-size: var(--ing-fs-xs); }
.ing-btn:disabled { opacity: .5; cursor: not-allowed; }

/* Formularios */
.ing-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: var(--ing-s4); }
.ing-field label { font-size: var(--ing-fs-sm); font-weight: 600; color: var(--ing-text-2); }
.ing-input, .ing-select {
  height: 40px; padding: 0 12px; border: 1px solid var(--ing-border-strong); border-radius: var(--ing-radius-sm);
  background: var(--ing-surface); color: var(--ing-text); font: 400 var(--ing-fs-sm) var(--ing-font);
}
.ing-input:focus, .ing-select:focus { outline: none; border-color: var(--ing-azul); box-shadow: var(--ing-focus); }

/* Estados / badges (red y clientes) */
.ing-badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: var(--ing-radius-pill);
  font: 600 .75rem/1.4 var(--ing-font-cond); letter-spacing: .04em; text-transform: uppercase; white-space: nowrap;
  background: var(--ing-neutro-bg); color: var(--ing-neutro);
}
.ing-badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.ing-badge--ok      { background: var(--ing-ok-bg);      color: var(--ing-ok); }
.ing-badge--alerta  { background: var(--ing-alerta-bg);  color: var(--ing-alerta); }
.ing-badge--critico { background: var(--ing-critico-bg); color: var(--ing-critico); }
.ing-badge--info    { background: var(--ing-info-bg);    color: var(--ing-info); }
.ing-badge--pulse::before { animation: ing-pulse 1.6s infinite; }
@keyframes ing-pulse { 0%{box-shadow:0 0 0 0 currentColor} 70%{box-shadow:0 0 0 6px transparent} 100%{box-shadow:0 0 0 0 transparent} }

/* Tablas */
.ing-table-wrap { overflow-x: auto; }
.ing-table { width: 100%; border-collapse: collapse; font-size: var(--ing-fs-sm); }
.ing-table th {
  text-align: left; padding: 10px 16px; background: var(--ing-surface-2); border-bottom: 1px solid var(--ing-border);
  font: 600 .72rem/1.2 var(--ing-font-cond); letter-spacing: .1em; text-transform: uppercase; color: var(--ing-text-3); white-space: nowrap;
}
.ing-table td { padding: 12px 16px; border-bottom: 1px solid var(--ing-border); vertical-align: middle; }
.ing-table tbody tr:hover { background: var(--ing-azul-50); }
:root[data-theme="dark"] .ing-table tbody tr:hover { background: rgba(0,152,219,.06); }
.ing-table .num { text-align: right; font-variant-numeric: tabular-nums; }

/* Barra de uso (ancho de banda, capacidad) */
.ing-meter { height: 6px; background: var(--ing-neutro-bg); border-radius: 999px; overflow: hidden; }
.ing-meter > span { display: block; height: 100%; background: var(--ing-azul); border-radius: inherit; }
.ing-meter.is-alerta > span { background: var(--ing-alerta); } .ing-meter.is-critico > span { background: var(--ing-critico); }

/* Avatar / iniciales de cliente */
.ing-avatar { width: 32px; height: 32px; border-radius: 50%; display: inline-grid; place-items: center; background: var(--ing-azul-100); color: var(--ing-azul-800); font: 600 .75rem var(--ing-font); flex: none; }
.ing-client { display: flex; align-items: center; gap: 10px; }
.ing-client__name { font-weight: 600; } .ing-client__meta { font-size: var(--ing-fs-xs); color: var(--ing-text-3); }

/* Pantalla de login */
.ing-login { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.ing-login__brand { background: var(--ing-noche); display: flex; flex-direction: column; justify-content: center; padding: var(--ing-s7); position: relative; overflow: hidden; }
.ing-login__brand img { width: min(420px, 80%); position: relative; }
.ing-login__brand::after { content: ""; position: absolute; right: -180px; bottom: -180px; width: 520px; height: 520px; border-radius: 50%; border: 2px solid rgba(167,169,172,.12); box-shadow: 0 0 0 60px rgba(0,152,219,.04); }
.ing-login__form { display: flex; align-items: center; justify-content: center; padding: var(--ing-s6); background: var(--ing-surface); }
.ing-login__form > div { width: 100%; max-width: 380px; }
@media (max-width: 860px) { .ing-login { grid-template-columns: 1fr; } .ing-login__brand { padding: var(--ing-s6); min-height: 180px; } }