/* =====================================================================
   RUTA CRÍTICA · Hoja de estilos
   ===================================================================== */
:root{
  --azul:#2563eb; --azul-osc:#1e40af; --indigo:#4f46e5;
  --rojo:#dc2626; --rojo-cl:#fee2e2; --ambar:#f59e0b; --ambar-cl:#fef3c7;
  --verde:#16a34a; --verde-cl:#dcfce7; --gris:#64748b; --gris-cl:#f1f5f9;
  --tinta:#0f172a; --tinta2:#334155; --linea:#e2e8f0; --fondo:#f8fafc;
  --sombra:0 1px 3px rgba(15,23,42,.08),0 1px 2px rgba(15,23,42,.04);
  --sombra-md:0 4px 12px rgba(15,23,42,.10);
  --r:10px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--tinta);background:var(--fondo);font-size:14px;line-height:1.5}
a{color:var(--azul);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0 0 .4em;line-height:1.2}
h1{font-size:1.5rem}h2{font-size:1.2rem}h3{font-size:1rem}
.mut{color:var(--gris)}
.small{font-size:.82rem}

/* --- Layout --- */
.app{display:flex;min-height:100vh}
.side{width:230px;background:var(--tinta);color:#cbd5e1;flex-shrink:0;position:sticky;top:0;height:100vh;overflow-y:auto}
.side .marca{padding:18px 14px 14px;display:flex;align-items:center;justify-content:center}
.side .marca-logo{width:auto;height:auto;max-width:160px;max-height:46px;object-fit:contain;display:block}
.side .marca-sub{color:#cbd5e1;text-align:center;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  padding:9px 10px 11px;border-bottom:1px solid rgba(255,255,255,.08)}
.side .marca .pt{color:#818cf8}
.side nav{padding:10px 0}
.side nav a{display:flex;align-items:center;gap:10px;color:#cbd5e1;padding:10px 20px;font-weight:500;border-left:3px solid transparent}
.side nav a:hover{background:rgba(255,255,255,.05);text-decoration:none;color:#fff}
.side nav a.on{background:rgba(99,102,241,.15);border-left-color:var(--indigo);color:#fff}
.side nav .ic{width:18px;text-align:center;opacity:.9}
.side .sec{padding:14px 20px 4px;font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:#64748b}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{background:#fff;border-bottom:1px solid var(--linea);padding:12px 24px;display:flex;
  align-items:center;justify-content:space-between;position:sticky;top:0;z-index:20}
.topbar .u{display:flex;align-items:center;gap:12px;color:var(--tinta2)}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--indigo);color:#fff;display:grid;place-items:center;font-weight:600}
.content{padding:24px;flex:1}
.wrap{max-width:1280px;margin:0 auto}

/* --- Botones --- */
.btn{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--linea);
  color:var(--tinta2);padding:8px 14px;border-radius:8px;font-weight:600;cursor:pointer;font-size:.86rem;transition:.15s}
.btn:hover{background:var(--gris-cl);text-decoration:none}
.btn.pri{background:var(--azul);border-color:var(--azul);color:#fff}
.btn.pri:hover{background:var(--azul-osc)}
.btn.dng{background:#fff;border-color:var(--rojo);color:var(--rojo)}
.btn.dng:hover{background:var(--rojo-cl)}
.btn.sm{padding:5px 10px;font-size:.78rem}
.btn.gh{background:transparent;border-color:transparent}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* --- Tarjetas --- */
.card{background:#fff;border:1px solid var(--linea);border-radius:var(--r);box-shadow:var(--sombra);margin-bottom:20px}
.card .hd{padding:14px 18px;border-bottom:1px solid var(--linea);display:flex;align-items:center;justify-content:space-between;gap:12px}
.card .bd{padding:18px}
.card .bd.flush{padding:0}

/* --- KPIs --- */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:22px}
.kpi{background:#fff;border:1px solid var(--linea);border-radius:var(--r);padding:16px 18px;box-shadow:var(--sombra)}
.kpi .n{font-size:1.9rem;font-weight:700;line-height:1}
.kpi .t{color:var(--gris);font-size:.8rem;margin-top:6px;text-transform:uppercase;letter-spacing:.03em}
.kpi.rojo .n{color:var(--rojo)} .kpi.amb .n{color:var(--ambar)} .kpi.verde .n{color:var(--verde)} .kpi.azul .n{color:var(--azul)}

/* --- Tablas --- */
.tabla{width:100%;border-collapse:collapse;font-size:.86rem}
.tabla th,.tabla td{padding:9px 12px;text-align:left;border-bottom:1px solid var(--linea);vertical-align:middle}
.tabla th{background:var(--gris-cl);font-weight:600;color:var(--tinta2);font-size:.76rem;text-transform:uppercase;letter-spacing:.03em;white-space:nowrap}
.tabla tbody tr:hover{background:#fafbff}
.tabla td.num{text-align:right;font-variant-numeric:tabular-nums}
.tabla .fase-row td{background:linear-gradient(90deg,var(--gris-cl),#fff);font-weight:700;color:var(--tinta);text-transform:uppercase;font-size:.78rem;letter-spacing:.04em}
.scroll-x{overflow-x:auto}

/* Arrastrar para reordenar */
.grip{cursor:grab;color:#94a3b8;font-size:.9rem;user-select:none;padding:0 3px;display:inline-block}
.grip:hover{color:var(--azul)}
.grip:active{cursor:grabbing}
tr.arrastrando td{opacity:.45}
tr.drop-antes td{box-shadow:inset 0 3px 0 -1px var(--azul)}
tr.drop-dentro td{box-shadow:inset 0 0 0 2px var(--azul);background:#eff6ff}
tr.resumen.nivel0 .grip{color:#94a3b8}

/* Tabla de actividades: ancho fijo, sin scroll horizontal */
#tabla-tareas{table-layout:fixed;width:100%}
#tabla-tareas th,#tabla-tareas td{padding:6px 7px;font-size:.8rem;word-break:break-word;vertical-align:middle}
#tabla-tareas td.col-tarea{white-space:normal;line-height:1.3}
#tabla-tareas select.mini,#tabla-tareas input.mini{width:100%;min-width:0;box-sizing:border-box}
#tabla-tareas input[type=date].mini{font-size:.7rem;padding:3px 4px}
#tabla-tareas .celda-real{display:flex;flex-direction:column;gap:3px}
#tabla-tareas .celda-prog{line-height:1.2}
#tabla-tareas .barra{min-width:0}
#tabla-tareas td:last-child .row-inl{gap:3px}
#tabla-tareas td:last-child .btn.sm{padding:4px 6px}

tr.critica td{background:#fff5f5}
tr.critica:hover td{background:#ffecec}
tr.terminada td{opacity:.72}
tr.resumen td{background:#f4f6fb}
tr.resumen.nivel1 td{background:#eef2ff;border-top:2px solid #c7d2fe}
tr.resumen.nivel1:hover td{background:#e4e9ff}
tr.resumen.nivel2 td{background:#f5f7fc}
tr.resumen.critica td{background:#fdf0f0}
/* PROYECTO (raíz): color oscuro fijo, gana siempre (aunque sea crítica) */
tr.resumen.nivel0 td,
tr.resumen.nivel0.critica td{background:#1e293b;color:#fff;border-top:2px solid #0f172a}
tr.resumen.nivel0 td .mut,tr.resumen.nivel0 td .small{color:#cbd5e1}
tr.resumen.nivel0 td .tag{background:#4f46e5;color:#fff}
tr.resumen.nivel0:hover td,tr.resumen.nivel0.critica:hover td{background:#243247}

/* --- Etiquetas / badges --- */
.tag{display:inline-flex;align-items:center;gap:5px;padding:2px 9px;border-radius:999px;font-size:.74rem;font-weight:600;white-space:nowrap}
.tag.gris{background:var(--gris-cl);color:var(--gris)}
.tag.azul{background:#dbeafe;color:#1d4ed8}
.tag.verde{background:var(--verde-cl);color:#15803d}
.tag.rojo{background:var(--rojo-cl);color:var(--rojo)}
.tag.amb{background:var(--ambar-cl);color:#b45309}
.pill-crit{background:var(--rojo);color:#fff;padding:2px 8px;border-radius:6px;font-size:.68rem;font-weight:700;letter-spacing:.04em}
.dot{width:9px;height:9px;border-radius:50%;display:inline-block}

/* --- Formularios --- */
.campo{margin-bottom:14px}
.campo label{display:block;font-weight:600;margin-bottom:5px;color:var(--tinta2);font-size:.84rem}
.inp,select,textarea{width:100%;padding:8px 10px;border:1px solid var(--linea);border-radius:8px;font-size:.88rem;
  font-family:inherit;background:#fff;color:var(--tinta)}
.inp:focus,select:focus,textarea:focus{outline:none;border-color:var(--azul);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.inp.mini{padding:4px 6px;font-size:.82rem}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.row-inl{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.chk{display:inline-flex;align-items:center;gap:6px;font-weight:500}
.chk input{width:auto}

/* edición inline */
.edit{border:1px solid transparent;border-radius:6px;padding:3px 6px;background:transparent;cursor:text;min-width:44px;display:inline-block}
.edit:hover{border-color:var(--linea);background:#fff}
.edit:focus{outline:none;border-color:var(--azul);background:#fff;box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.barra{height:7px;background:var(--gris-cl);border-radius:99px;overflow:hidden;min-width:70px}
.barra > span{display:block;height:100%;background:var(--verde)}

/* --- Flash --- */
.flash{padding:11px 16px;border-radius:8px;margin-bottom:14px;font-weight:500;border:1px solid transparent}
.flash.exito{background:var(--verde-cl);color:#15803d;border-color:#bbf7d0}
.flash.error{background:var(--rojo-cl);color:var(--rojo);border-color:#fecaca}
.flash.info{background:#dbeafe;color:#1d4ed8;border-color:#bfdbfe}

/* --- Login / instalador --- */
.centro{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#1e293b,#312e81);padding:20px}
.panel{background:#fff;border-radius:16px;box-shadow:var(--sombra-md);width:100%;max-width:420px;padding:32px}
.panel.ancho{max-width:600px}
.panel .logo{font-size:1.4rem;font-weight:800;text-align:center;margin-bottom:4px}
.panel .logo .pt{color:var(--indigo)}
.panel .sub{text-align:center;color:var(--gris);margin-bottom:22px}

.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.crumbs{color:var(--gris);font-size:.82rem;margin-bottom:2px}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center}

/* barra de leyenda */
.leyenda{display:flex;gap:16px;flex-wrap:wrap;align-items:center;color:var(--tinta2);font-size:.82rem}
.leyenda span{display:inline-flex;align-items:center;gap:6px}

/* --- Gantt --- */
#gantt{width:100%;overflow:auto;max-height:74vh;border:1px solid var(--linea);border-radius:var(--r);background:#fff}
.g-grid{display:grid;grid-template-columns:max-content max-content;grid-template-rows:max-content max-content;width:max-content}
.g-corner{position:sticky;top:0;left:0;z-index:5;background:#fff;border-right:2px solid #cbd5e1;border-bottom:1px solid #cbd5e1}
.g-head{position:sticky;top:0;z-index:4;background:#fff;border-bottom:1px solid #cbd5e1}
.g-labels{position:sticky;left:0;z-index:3;background:#fff;border-right:2px solid #cbd5e1;box-shadow:3px 0 5px rgba(15,23,42,.06)}
.g-bars{background:#fff}
.g-tooltip{position:fixed;background:var(--tinta);color:#fff;padding:8px 11px;border-radius:8px;font-size:.78rem;
  pointer-events:none;z-index:100;box-shadow:var(--sombra-md);max-width:260px;opacity:0;transition:opacity .1s}

/* ===== Tablero Kanban por fecha límite ===== */
.kanban{display:flex;gap:14px;overflow-x:auto;padding-bottom:10px;align-items:flex-start}
.kan-col{flex:1 1 240px;min-width:240px;background:var(--gris-cl);border:1px solid var(--linea);border-radius:var(--r)}
.kan-head{display:flex;align-items:center;justify-content:space-between;color:#fff;font-weight:700;
  padding:9px 13px;border-radius:var(--r) var(--r) 0 0;font-size:.86rem}
.kan-count{background:rgba(255,255,255,.28);border-radius:999px;padding:1px 9px;font-size:.78rem}
.kan-body{padding:10px;display:flex;flex-direction:column;gap:9px;max-height:72vh;overflow-y:auto}
.kan-empty{color:var(--gris);text-align:center;padding:14px 0;font-size:.8rem}
.kan-card{display:block;background:#fff;border:1px solid var(--linea);border-left:4px solid var(--gris);
  border-radius:9px;padding:10px 11px;box-shadow:var(--sombra);transition:.12s}
.kan-card:hover{text-decoration:none;box-shadow:var(--sombra-md);transform:translateY(-1px)}
.kan-card.b-atrasado{border-left-color:#dc2626}
.kan-card.b-hoy{border-left-color:#65a30d}
.kan-card.b-semana{border-left-color:#0891b2}
.kan-card.b-proxima{border-left-color:#2563eb}
.kan-card.b-adelante{border-left-color:#7c3aed}
.kan-card.b-sin{border-left-color:#94a3b8}
.kan-card.b-terminada{border-left-color:#16a34a;opacity:.82}
.kc-top{display:flex;align-items:center;justify-content:space-between;gap:6px;margin-bottom:5px}
.kc-proy{font-size:.7rem;color:var(--gris);font-weight:600;text-transform:uppercase;letter-spacing:.02em}
.kc-title{color:var(--tinta);font-weight:600;font-size:.88rem;line-height:1.25;margin-bottom:6px}
.kc-meta{margin-bottom:8px}
.kc-due{font-size:.74rem;color:var(--tinta2)}
.kc-due.vencida{color:var(--rojo);font-weight:600}
.kc-foot{display:flex;align-items:center;gap:8px}
.avatar-sm{width:24px;height:24px;flex:0 0 24px;border-radius:50%;background:var(--indigo);color:#fff;
  display:grid;place-items:center;font-size:.64rem;font-weight:700}
.kc-foot .barra{flex:1}
.kc-av{font-size:.72rem;color:var(--gris);font-variant-numeric:tabular-nums}
.seg a{border:none;background:#fff;color:var(--tinta2);padding:7px 14px;font-weight:600;font-size:.82rem;
  cursor:pointer;border-left:1px solid var(--linea);text-decoration:none;display:inline-block}
.seg a:first-child{border-left:none}
.seg a:hover{background:var(--gris-cl);text-decoration:none}
.seg a.on{background:var(--azul);color:#fff}

/* Control segmentado (escala del Gantt) */
.seg{display:inline-flex;border:1px solid var(--linea);border-radius:8px;overflow:hidden;background:#fff}
.seg button{border:none;background:#fff;color:var(--tinta2);padding:7px 14px;font-weight:600;font-size:.82rem;
  cursor:pointer;border-left:1px solid var(--linea)}
.seg button:first-child{border-left:none}
.seg button:hover{background:var(--gris-cl)}
.seg button.on{background:var(--azul);color:#fff}

/* Panel lateral del Gantt (editar / ligar) */
#g-drawer{position:fixed;top:0;right:0;width:360px;max-width:92vw;height:100vh;background:#fff;
  box-shadow:-6px 0 24px rgba(15,23,42,.18);z-index:120;transform:translateX(100%);
  transition:transform .18s ease;overflow-y:auto}
#g-drawer.abierto{transform:translateX(0)}
.g-dr-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 16px;
  border-bottom:1px solid var(--linea);position:sticky;top:0;background:#fff}
.g-dr-tipo{background:var(--indigo);color:#fff;font-size:.62rem;font-weight:700;padding:2px 7px;border-radius:999px;letter-spacing:.04em}
.g-dr-x{border:none;background:var(--gris-cl);border-radius:8px;width:30px;height:30px;cursor:pointer;font-size:1rem;color:var(--tinta2)}
.g-dr-x:hover{background:#e2e8f0}
.g-dr-body{padding:16px}
.g-dr-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;margin-top:14px}
.g-dr-grid label{display:flex;flex-direction:column;gap:4px;font-size:.74rem;font-weight:600;color:var(--tinta2)}
.g-dr-h{margin:18px 0 8px;font-size:.85rem}
.g-dr-preds{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.g-chip{display:inline-flex;align-items:center;gap:6px;background:var(--gris-cl);border:1px solid var(--linea);
  border-radius:999px;padding:3px 6px 3px 10px;font-size:.76rem}
.g-chip b{color:var(--azul);font-size:.7rem}
.g-chip-x{cursor:pointer;color:var(--rojo);font-weight:700;background:#fff;border-radius:50%;width:18px;height:18px;
  display:inline-grid;place-items:center;text-decoration:none}
.g-chip-x:hover{background:var(--rojo-cl)}
.g-dr-add{display:flex;gap:6px;align-items:center;flex-wrap:wrap;border-top:1px dashed var(--linea);padding-top:12px}
.g-dr-add #g-pred{flex:1;min-width:140px}

/* Manual de usuario */
.manual{max-width:920px;margin:0 auto}
.manual h2{color:var(--azul-osc);border-bottom:2px solid var(--linea);padding-bottom:6px;margin:2px 0 12px}
.manual h3{color:var(--tinta2);margin:16px 0 6px;font-size:.98rem}
.manual ul,.manual ol{padding-left:22px;line-height:1.7;margin:6px 0}
.manual .idx{line-height:1.95}
.manual code{background:var(--gris-cl);padding:1px 6px;border-radius:4px;font-size:.86em}
.manual p{line-height:1.6}

/* Editor visual (WYSIWYG) del manual */
.we-toolbar{position:sticky;top:0;z-index:5;display:flex;flex-wrap:wrap;gap:4px;align-items:center;
  background:#fff;border:1px solid var(--linea);border-radius:8px;padding:6px;margin-bottom:10px}
.we-toolbar button{min-width:34px;height:32px;padding:0 9px;border:1px solid var(--linea);background:#fff;
  border-radius:6px;cursor:pointer;font-size:.85rem;color:var(--tinta2)}
.we-toolbar button:hover{background:var(--gris-cl)}
.we-sep{width:1px;height:22px;background:var(--linea);margin:0 3px}
.wysiwyg{border:1px solid var(--linea);border-radius:8px;padding:16px;min-height:50vh;max-height:70vh;
  overflow:auto;background:#fafbff;max-width:100%}
.wysiwyg:focus{outline:none;border-color:var(--azul);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.wysiwyg [contenteditable="false"]{opacity:.9}

@media print {
  .side,.topbar,.toolbar,.btn{display:none !important}
  .content{padding:0}
  .wrap{max-width:100%}
  .manual .card{box-shadow:none;border:1px solid #d1d5db;break-inside:avoid;page-break-inside:avoid}
  a{color:#000;text-decoration:none}
  body{background:#fff}
}

@media(max-width:820px){
  .side{position:fixed;left:-230px;transition:.2s;z-index:50} .side.abrir{left:0}
  .grid2,.grid3{grid-template-columns:1fr}
}