:root{
  --bg-app:#e8ecf3;
  --bg-window:#dfe4ee;
  --bg-card:#ffffff;
  --bg-card-soft:#f7f9fc;
  --sidebar-bg:#0d1533;
  --sidebar-bg2:#101c42;
  --sidebar-text:#c9d2e8;
  --sidebar-active:#1a56db;
  --title-blue:#1a56db;
  --text-main:#1e2430;
  --text-soft:#5a6577;
  --border:#dde3ee;
  --accent-grad:linear-gradient(135deg,#4f46e5,#a855f7);
  --ok:#16a34a;
  --warn:#d97706;
  --danger:#dc2626;
  --omega2:#1a56db;
  --omega4:#16a34a;
  --omega6:#9333ea;
  --shadow:0 1px 3px rgba(15,23,42,.08),0 4px 14px rgba(15,23,42,.06);
  --radius:12px;
  --font-ui:'Segoe UI',system-ui,-apple-system,sans-serif;
  --font-mono:'Cascadia Code','Consolas',monospace;
}
[data-theme="dark"]{
  --bg-app:#0b1120;
  --bg-window:#060a14;
  --bg-card:#141c2e;
  --bg-card-soft:#1a2337;
  --sidebar-bg:#080d1d;
  --sidebar-bg2:#0a1226;
  --text-main:#e5eaf5;
  --text-soft:#94a3bd;
  --border:#26314a;
  --title-blue:#6b9aff;
  --shadow:0 1px 3px rgba(0,0,0,.4);
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{font-family:var(--font-ui);background:var(--bg-window);color:var(--text-main);overflow:hidden}

/* ===== Barra de título (estilo app de escritorio) ===== */
.titlebar{height:34px;background:#060b1a;color:#dfe6f5;display:flex;align-items:center;justify-content:space-between;padding:0 4px 0 12px;font-size:13px;user-select:none}
.titlebar .t-left{display:flex;align-items:center;gap:8px}
.titlebar .t-omega{font-weight:700;background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-size:15px}
.titlebar .t-controls{display:flex}
.titlebar .t-controls button{width:44px;height:34px;border:0;background:transparent;color:#dfe6f5;font-size:13px;cursor:pointer}
.titlebar .t-controls button:hover{background:rgba(255,255,255,.1)}
.titlebar .t-controls button.close:hover{background:#dc2626}

/* ===== Layout ===== */
.app{display:flex;height:calc(100vh - 34px)}
.sidebar{width:232px;min-width:232px;background:linear-gradient(180deg,var(--sidebar-bg),var(--sidebar-bg2));display:flex;flex-direction:column;color:var(--sidebar-text)}
.sidebar-brand{display:flex;align-items:center;gap:12px;padding:18px 16px 14px;border-bottom:1px solid rgba(255,255,255,.07)}
.brand-omega{width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:700;background-image:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent;border:1px solid rgba(255,255,255,.08)}
.brand-txt b{display:block;color:#fff;font-size:18px;letter-spacing:.5px}
.brand-txt span{font-size:11px;color:#8a97b8}
.nav{flex:1;overflow-y:auto;padding:10px 8px;scrollbar-width:thin;scrollbar-color:#2a3557 transparent}
.nav::-webkit-scrollbar{width:6px}
.nav::-webkit-scrollbar-thumb{background:#2a3557;border-radius:3px}
.nav a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:var(--sidebar-text);text-decoration:none;font-size:13.5px;margin-bottom:2px;cursor:pointer;transition:background .15s}
.nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.nav a.active{background:var(--sidebar-active);color:#fff;font-weight:600}
.nav a .ic{width:18px;text-align:center;font-size:14px;flex-shrink:0}
.sidebar-foot{padding:12px 16px;font-size:11px;color:#6b7899;border-top:1px solid rgba(255,255,255,.07)}

/* ===== Main ===== */
.main{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--bg-app)}
.topbar{display:flex;align-items:center;gap:14px;padding:14px 20px;background:var(--bg-card);border-bottom:1px solid var(--border)}
.topbar .logo{display:flex;align-items:center;gap:12px;margin-right:6px}
.topbar .logo .omega{font-size:38px;font-weight:800;background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.topbar .logo .lt b{font-size:24px;letter-spacing:.5px;background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.topbar .logo .lt span{display:block;font-size:11px;color:var(--text-soft)}
.meta{display:flex;gap:10px;flex:1;flex-wrap:wrap}
.meta .chip{background:var(--bg-card-soft);border:1px solid var(--border);border-radius:10px;padding:7px 14px;font-size:12px}
.meta .chip small{display:block;color:var(--text-soft);font-size:10.5px;margin-bottom:1px}
.meta .chip b{font-size:12.5px;font-weight:600}
.chip .ok{color:var(--ok);font-weight:600}
.top-actions{display:flex;gap:8px}
.icon-btn{width:32px;height:32px;border-radius:50%;border:1px solid var(--border);background:var(--bg-card-soft);cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;color:var(--text-main)}
.icon-btn:hover{background:var(--border)}
.icon-btn.help{background:#1a56db;color:#fff;border-color:#1a56db;font-weight:700}

/* ===== Grid de contenido ===== */
.content{flex:1;overflow:auto;padding:16px 20px;display:flex;flex-direction:column;gap:16px}
.row{display:grid;gap:16px}
.row-1{grid-template-columns:minmax(430px,1.35fr) minmax(300px,1fr) minmax(330px,1.05fr)}
.row-2{grid-template-columns:minmax(210px,.72fr) minmax(330px,1.15fr) minmax(210px,.75fr) minmax(250px,.9fr)}
@media (max-width:1500px){.row-1{grid-template-columns:1.3fr 1fr 1fr}.row-2{grid-template-columns:1fr 1.6fr 1fr 1.2fr}}
@media (max-width:1250px){.row-1,.row-2{grid-template-columns:1fr 1fr}}
@media (max-width:820px){.row-1,.row-2{grid-template-columns:1fr}}

.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 16px;display:flex;flex-direction:column;min-width:0}
.card h3{font-size:12.5px;letter-spacing:.4px;color:var(--title-blue);text-transform:uppercase;margin-bottom:10px;font-weight:700}
.card h3.danger{color:var(--danger)}

/* Espectro */
.chart-wrap{position:relative;flex:1;min-height:230px}
.chart-tools{display:flex;gap:8px;margin-top:10px;align-items:center}
.tool-btn{border:1px solid var(--border);background:var(--bg-card-soft);border-radius:8px;padding:6px 10px;font-size:12px;cursor:pointer;color:var(--text-main)}
.tool-btn:hover{background:var(--border)}
.tool-btn.right{margin-left:auto}

/* Parámetros JO */
.omega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:12px}
.omega-box{border-radius:10px;padding:10px 8px;text-align:center;border:1px solid var(--border);background:var(--bg-card-soft)}
.omega-box .sym{font-size:17px;font-weight:700}
.omega-box .val{font-size:21px;font-weight:800;margin:2px 0}
.omega-box .unit{font-size:10.5px;color:var(--text-soft)}
.omega-box.o2{border-color:#bcd0f7;background:#eef4ff}.omega-box.o2 .sym,.omega-box.o2 .val{color:var(--omega2)}
.omega-box.o4{border-color:#bfe6cd;background:#effaf3}.omega-box.o4 .sym,.omega-box.o4 .val{color:var(--omega4)}
.omega-box.o6{border-color:#dcc8f5;background:#f7f0ff}.omega-box.o6 .sym,.omega-box.o6 .val{color:var(--omega6)}
[data-theme="dark"] .omega-box.o2{background:#12203d}
[data-theme="dark"] .omega-box.o4{background:#0f2a1c}
[data-theme="dark"] .omega-box.o6{background:#251437}
.subttl{font-size:11.5px;font-weight:700;color:var(--text-soft);text-transform:uppercase;letter-spacing:.3px;margin:4px 0 6px}

/* Tablas */
table{width:100%;border-collapse:collapse;font-size:12px}
th{color:var(--text-soft);font-weight:600;text-align:left;padding:6px 8px;border-bottom:1.5px solid var(--border);white-space:nowrap}
td{padding:5.5px 8px;border-bottom:1px solid var(--border);font-family:var(--font-mono);font-size:11.5px;white-space:nowrap}
td.tr-name{font-family:var(--font-ui);font-size:12px}
tr.total td{font-weight:700;border-top:2px solid var(--border);border-bottom:0}
.cov-table td,.cov-table th{text-align:center}
.cov-table th:first-child{text-align:left}

/* Alerta */
.alert-card .alert-body{display:flex;gap:10px;align-items:flex-start;margin-bottom:10px}
.alert-tri{font-size:34px;line-height:1;color:var(--danger)}
.alert-body p{font-size:12px;color:var(--text-soft);line-height:1.45}
.kv{display:flex;justify-content:space-between;font-size:12px;padding:6px 2px;border-bottom:1px solid var(--border)}
.kv:last-child{border-bottom:0}
.kv b.red{color:var(--danger)}
.kv b.warn{color:var(--warn)}

/* Opciones de visualización */
.opt label{display:flex;align-items:flex-start;gap:8px;font-size:12.5px;margin-bottom:8px;cursor:pointer;line-height:1.35}
.opt input[type=radio]{margin-top:2px;accent-color:var(--title-blue)}
.field{margin-bottom:10px}
.field small{display:block;font-size:11px;color:var(--text-soft);margin-bottom:4px}
select,input[type=number]{width:100%;padding:7px 9px;border:1px solid var(--border);border-radius:8px;font-size:12.5px;background:var(--bg-card-soft);color:var(--text-main)}
.range-row{display:flex;align-items:center;gap:6px}
.range-row span{font-size:12px;color:var(--text-soft)}
.btn-primary{width:100%;background:#1a56db;color:#fff;border:0;border-radius:9px;padding:10px;font-size:13px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px}
.btn-primary:hover{background:#164bbd}

/* Validación */
.val-row{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;padding:7px 2px;border-bottom:1px solid var(--border)}
.val-row b{font-family:var(--font-mono);font-size:12.5px}
.badge-ok{color:var(--ok);font-weight:700;font-size:12px}
.val-btns{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.btn-outline{border:1px solid #b9ccf3;background:var(--bg-card-soft);color:var(--title-blue);border-radius:9px;padding:8px 10px;font-size:12.5px;font-weight:600;cursor:pointer;text-align:center}
.btn-outline:hover{background:#eef4ff}
[data-theme="dark"] .btn-outline:hover{background:#12203d}

/* Estado bajo gráfica corregida */
.status-line{display:flex;gap:10px;align-items:center;margin-top:10px;flex-wrap:wrap}
.pill{font-size:11.5px;border-radius:8px;padding:6px 10px;border:1px solid var(--border);background:var(--bg-card-soft);cursor:default}
.pill.okp{color:var(--ok);border-color:#bfe6cd;background:#effaf3;font-weight:600}
[data-theme="dark"] .pill.okp{background:#0f2a1c}
.pill.link{cursor:pointer;color:var(--text-main)}
.pill.link:hover{background:var(--border)}

/* Footer de acciones */
.actions{display:flex;gap:12px;padding:4px 0 2px;flex-wrap:wrap}
.act{flex:1;min-width:150px;display:flex;align-items:center;justify-content:center;gap:8px;padding:11px 10px;border-radius:10px;font-size:13px;font-weight:600;cursor:pointer;border:1.5px solid;background:var(--bg-card)}
.act:hover{filter:brightness(.96)}
.act.green{color:#16a34a;border-color:#9fdcb4}
.act.yellow{color:#b45309;border-color:#f3d48a;background:#fffaef}
.act.blue{color:#1a56db;border-color:#b9ccf3}
.act.red{color:#dc2626;border-color:#f3b0b0}
[data-theme="dark"] .act{background:var(--bg-card)}
[data-theme="dark"] .act.yellow{background:var(--bg-card)}

/* Toast para stubs */
#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(20px);background:#0d1533;color:#fff;padding:10px 18px;border-radius:10px;font-size:13px;opacity:0;pointer-events:none;transition:.25s;box-shadow:0 6px 20px rgba(0,0,0,.3);z-index:99}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}