:root {
  --ground: #F4F6F9; --paper: #FFFFFF; --ink: #1A222E; --ink-2: #4B5563; --ink-3: #7B8492;
  --line: #DCE1E8; --line-strong: #B9C2CE; --accent: #1F4E9C; --accent-ink: #163C7A; --accent-soft: #E7EEF9;
  --ok: #2E7D4F; --ok-soft: #E3F2E9; --warn: #A66A0F; --warn-soft: #FBEFD8; --crit: #B23A32; --crit-soft: #F9E3E1;
  --side: #1B2430; --side-ink: #C9D2DE; --side-active: #2B3A4E; --mono: "IBM Plex Mono", Consolas, monospace;
  --radius: 4px;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--ground); color: var(--ink); font-family: "IBM Plex Sans", "Segoe UI", Roboto, sans-serif; font-size: 14px; line-height: 1.5; }
a { color: var(--accent); }
h1, h2, h3 { margin: 0; line-height: 1.2; text-wrap: balance; }
h1 { font-size: 22px; font-weight: 600; }
h2 { font-size: 16px; font-weight: 600; }
h3 { font-size: 14px; font-weight: 600; color: var(--ink-2); text-transform: uppercase; letter-spacing: .06em; }
.cargando-app { padding: 40px; color: var(--ink-3); }

/* layout */
.shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.side { background: var(--side); color: var(--side-ink); padding: 18px 12px; display: flex; flex-direction: column; gap: 4px; position: sticky; top: 0; height: 100vh; }
.side .marca { color: #fff; font-weight: 600; font-size: 15px; padding: 6px 10px 14px; border-bottom: 1px solid #2B3A4E; margin-bottom: 8px; }
.side .marca small { display: block; font-weight: 400; color: var(--side-ink); font-size: 12px; }
.side a { color: var(--side-ink); text-decoration: none; padding: 8px 10px; border-radius: var(--radius); display: flex; gap: 10px; align-items: center; }
.side a:hover { background: var(--side-active); color: #fff; }
.side a.activo { background: var(--accent); color: #fff; }
.side .pie { margin-top: auto; font-size: 12px; padding: 10px; border-top: 1px solid #2B3A4E; }
.side .pie button { background: none; border: 0; color: var(--side-ink); cursor: pointer; padding: 0; text-decoration: underline; }
.side .ambiente { display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 10px; margin-top: 6px; }
.side .ambiente.pruebas { background: var(--warn-soft); color: var(--warn); }
.side .ambiente.produccion { background: var(--ok-soft); color: var(--ok); }
.main { padding: 24px 28px 60px; max-width: 1280px; }
.cabecera { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.cabecera .acciones { display: flex; gap: 8px; flex-wrap: wrap; }

/* componentes */
.tarjeta { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.tarjetas { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-bottom: 18px; }
.kpi .k { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); }
.kpi .v { font-size: 24px; font-weight: 600; font-variant-numeric: tabular-nums; margin-top: 2px; }
.kpi .s { font-size: 12px; color: var(--ink-2); }
.fila { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 900px) { .shell { grid-template-columns: 1fr; } .side { position: static; height: auto; flex-direction: row; flex-wrap: wrap; } .side .pie { margin: 0; border: 0; } .grid2, .grid3, .grid4 { grid-template-columns: 1fr; } .main { padding: 16px; } }

label { display: block; font-size: 12px; color: var(--ink-2); margin-bottom: 4px; font-weight: 500; }
input, select, textarea { width: 100%; font: inherit; padding: 7px 9px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: #fff; color: var(--ink); }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
input[type=checkbox] { width: auto; }
.campo { margin-bottom: 10px; }
.campo .ayuda { font-size: 11px; color: var(--ink-3); margin-top: 2px; }
button, .btn { font: inherit; font-weight: 500; padding: 7px 14px; border-radius: var(--radius); border: 1px solid var(--line-strong); background: #fff; color: var(--ink); cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
button:hover, .btn:hover { border-color: var(--accent); color: var(--accent-ink); }
button.primario, .btn.primario { background: var(--accent); border-color: var(--accent); color: #fff; }
button.primario:hover { background: var(--accent-ink); color: #fff; }
button.peligro { color: var(--crit); border-color: var(--crit); }
button.peligro:hover { background: var(--crit-soft); }
button.chico, .btn.chico { padding: 4px 9px; font-size: 12px; }
button:disabled { opacity: .5; cursor: not-allowed; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); font-weight: 600; background: var(--ground); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--accent-soft); }
.tablewrap { overflow-x: auto; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
.vacio { padding: 28px; text-align: center; color: var(--ink-3); }
.mono { font-family: var(--mono); font-size: 12px; }

.badge { display: inline-block; font-size: 11px; font-weight: 600; letter-spacing: .04em; padding: 2px 8px; border-radius: 10px; background: var(--accent-soft); color: var(--accent-ink); white-space: nowrap; }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.crit { background: var(--crit-soft); color: var(--crit); }
.badge.gris { background: #EEF1F5; color: var(--ink-2); }

.toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 50; }
.toast { background: var(--ink); color: #fff; padding: 10px 14px; border-radius: var(--radius); box-shadow: 0 6px 20px rgba(0,0,0,.2); max-width: 420px; font-size: 13px; }
.toast.error { background: var(--crit); }
.toast.ok { background: var(--ok); }

.modal-fondo { position: fixed; inset: 0; background: rgba(20,26,34,.55); display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px; overflow: auto; z-index: 40; }
.modal { background: var(--paper); border-radius: 6px; width: min(100%, var(--ancho, 720px)); box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.modal .mc { padding: 16px 20px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; }
.modal .mb { padding: 18px 20px; }
.modal .mf { padding: 12px 20px; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; gap: 8px; }
.modal .cerrar { background: none; border: 0; font-size: 20px; line-height: 1; padding: 4px 8px; }

.linea-tiempo { list-style: none; padding: 0; margin: 0; font-size: 12px; }
.linea-tiempo li { padding: 6px 0; border-bottom: 1px dashed var(--line); display: grid; grid-template-columns: 130px 110px 1fr; gap: 10px; }
.mensajes-sri { background: var(--warn-soft); border-radius: var(--radius); padding: 10px 12px; font-size: 13px; }
.mensajes-sri.crit { background: var(--crit-soft); }
.login { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login .tarjeta { width: min(100%, 380px); }
.login h1 { margin-bottom: 4px; }
.login p { color: var(--ink-2); margin: 0 0 16px; }
.pestanas { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 16px; flex-wrap: wrap; }
.pestanas button { border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: none; padding: 8px 12px; }
.pestanas button.activa { border-bottom-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.total-grande { font-size: 26px; font-weight: 600; font-variant-numeric: tabular-nums; }
.sugerencias { position: absolute; background: #fff; border: 1px solid var(--line-strong); border-radius: var(--radius); z-index: 5; max-height: 260px; overflow: auto; width: 100%; box-shadow: 0 8px 24px rgba(0,0,0,.12); }
.sugerencias div { padding: 8px 10px; cursor: pointer; border-bottom: 1px solid var(--line); font-size: 13px; }
.sugerencias div:hover { background: var(--accent-soft); }
.relativo { position: relative; }
.barra-mini { height: 6px; background: var(--accent-soft); border-radius: 3px; overflow: hidden; }
.barra-mini i { display: block; height: 100%; background: var(--accent); }
.paginador { display: flex; gap: 8px; align-items: center; justify-content: flex-end; padding: 10px; font-size: 12px; color: var(--ink-2); }
.nota { font-size: 12px; color: var(--ink-3); }
pre.codigo { background: #EEF1F5; padding: 10px; border-radius: var(--radius); overflow: auto; font-size: 12px; }