:root {
  --paper: #0e0e11;
  --panel: #17171b;
  --panel-2: #202026;
  --borde: #2b2b33;
  --borde-oro: rgba(201, 162, 39, .30);
  --ink: #ece9e1;
  --muted: #8f8b81;
  --primario: #c9a227;
  --primario-fuerte: #e2bc4e;
  --primario-suave: rgba(201, 162, 39, .14);
  --sidebar-bg: #08080a;
  --sidebar-tx: #b7b2a4;
  --ok: #6bbf82;
  --error: #e5715f;
  --error-bg: rgba(229, 113, 95, .12);
  --radio: 12px;
  --radio-chico: 8px;
  --sombra: 0 1px 2px rgba(0, 0, 0, .5), 0 16px 34px -16px rgba(0, 0, 0, .8);
  --sombra-chica: 0 1px 2px rgba(0, 0, 0, .45);
  --font-display: "Inter", -apple-system, "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", -apple-system, "Segoe UI", system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { max-width: 100%; overflow-x: hidden; }
body {
  margin: 0; font-family: var(--font-body); color: var(--ink); background: var(--paper);
  font-size: 14.5px; line-height: 1.55; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 650; letter-spacing: -.015em; margin: 0 0 14px; color: var(--ink); }
h2 {
  font-size: 1.5rem; font-weight: 700; margin: 0 0 20px; padding-bottom: 14px;
  border-bottom: 1px solid var(--borde);
}
h3 { font-size: 1.08rem; }
h4 { font-size: .95rem; margin: 0 0 8px; }
a { color: var(--primario); text-decoration: none; }
:focus-visible { outline: 2px solid var(--primario); outline-offset: 2px; border-radius: 6px; }

.topbar {
  display: flex; align-items: center; gap: 12px; padding: 0 20px; height: 56px;
  background: var(--sidebar-bg); border-bottom: 1px solid var(--borde); position: sticky; top: 0; z-index: 30;
}
.brand { font-weight: 700; font-size: 1.05rem; letter-spacing: -.02em; color: var(--ink); }
.brand::before {
  content: ""; display: inline-block; width: 9px; height: 9px; margin-right: 9px; vertical-align: middle;
  border-radius: 3px; background: var(--primario); box-shadow: 0 0 10px 1px var(--primario-suave);
}
.topbar .btn-text {
  margin-left: auto; background: transparent; border: 1px solid var(--borde); color: var(--ink);
  padding: 7px 14px; border-radius: var(--radio-chico); cursor: pointer; font: inherit; font-weight: 500;
  transition: border-color .15s, color .15s, background .15s;
}
.topbar .btn-text:hover { border-color: var(--primario); color: var(--primario-fuerte); background: var(--primario-suave); }
.btn-icon {
  background: none; border: none; font-size: 20px; line-height: 1; cursor: pointer; color: var(--muted);
  padding: 6px 8px; border-radius: var(--radio-chico); transition: background .15s, color .15s;
}
.btn-icon:hover { background: var(--panel-2); color: var(--primario-fuerte); }

.layout { display: flex; min-height: calc(100vh - 56px); }
.sidebar {
  width: 232px; flex-shrink: 0; background: var(--sidebar-bg); border-right: 1px solid var(--borde);
  display: flex; flex-direction: column; gap: 2px; padding: 16px 10px;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: var(--radio-chico); color: var(--sidebar-tx);
  text-decoration: none; font-size: .88rem; font-weight: 500; letter-spacing: -.01em;
  border-left: 3px solid transparent; transition: background .15s, color .15s, border-color .15s;
}
.nav-item .nav-ico { flex-shrink: 0; opacity: .78; transition: opacity .15s; }
.nav-item:hover { background: rgba(201, 162, 39, .08); color: var(--ink); }
.nav-item:hover .nav-ico { opacity: 1; }
.nav-item.activo {
  color: var(--primario-fuerte); background: var(--primario-suave); border-left-color: var(--primario);
  font-weight: 600;
}
.nav-item.activo .nav-ico { opacity: 1; color: var(--primario); }

.contenido { flex: 1; min-width: 0; padding: 20px; overflow-x: auto; }
.contenido > * { max-width: 1160px; margin-inline: auto; }
@media (min-width: 768px) { .contenido { padding: 32px 40px; } }

body.nav-colapsado .sidebar { display: none; }

.login-body {
  display: grid; place-items: center; min-height: 100vh; padding: 24px;
  background:
    radial-gradient(680px circle at 15% 5%, rgba(201, 162, 39, .10), transparent 55%),
    radial-gradient(560px circle at 85% 95%, rgba(201, 162, 39, .06), transparent 55%),
    var(--paper);
}
.login-card {
  background: var(--panel); padding: 34px 30px; border: 1px solid var(--borde-oro);
  border-radius: 16px; width: min(390px, 100%);
  display: flex; flex-direction: column; gap: 14px; box-shadow: var(--sombra);
}
.login-card h1 { font-size: 1.5rem; margin-bottom: 4px; color: var(--ink); }
.login-card input { width: 100%; padding: 11px 13px; border: 1px solid var(--borde); border-radius: var(--radio-chico); background: var(--paper); color: var(--ink); font: inherit; }
.login-card input:focus-visible { border-color: var(--primario); box-shadow: 0 0 0 3px var(--primario-suave); }
.login-card button, button.primario {
  background: var(--primario); color: #1a1608; border: none; font: inherit; font-weight: 700;
  padding: 11px 16px; border-radius: var(--radio-chico); cursor: pointer;
  transition: background .15s, transform .08s, box-shadow .15s; box-shadow: 0 8px 18px -10px rgba(201, 162, 39, .55);
}
.login-card button:hover, button.primario:hover { background: var(--primario-fuerte); box-shadow: 0 10px 22px -8px rgba(201, 162, 39, .65); }
.login-card button:active, button.primario:active { transform: translateY(1px); }
.error { color: var(--error); font-size: .88rem; }
.ok { color: var(--ok); font-weight: 600; font-size: .9rem; }

@media (max-width: 820px) {
  .sidebar { position: fixed; left: -252px; top: 56px; bottom: 0; transition: left .2s ease; z-index: 20; box-shadow: var(--sombra); }
  .sidebar.abierto { left: 0; }
}

.card {
  background: var(--panel); border: 1px solid var(--borde); border-top: 2px solid var(--borde-oro);
  border-radius: var(--radio); padding: 22px; margin-bottom: 20px; display: flex; flex-direction: column; gap: 14px;
  box-shadow: var(--sombra-chica);
}
form.card { max-width: 680px; }
.card label, .grid-campos label { display: flex; flex-direction: column; gap: 6px; font-size: .8rem; font-weight: 500; color: var(--muted); }
.card input, .card select, .grid-campos input, .grid-campos select {
  padding: 10px 12px; border: 1px solid var(--borde); border-radius: var(--radio-chico);
  background: var(--paper); color: var(--ink); font: inherit; transition: border-color .15s, box-shadow .15s;
}
.card input:focus-visible, .card select:focus-visible,
.grid-campos input:focus-visible, .grid-campos select:focus-visible {
  border-color: var(--primario); box-shadow: 0 0 0 3px var(--primario-suave); outline: none;
}
.grid-campos { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.check { flex-direction: row; align-items: center; gap: 8px; color: var(--ink); font-weight: 500; }
.check input { width: auto; }
@media (max-width: 560px) { .grid-campos { grid-template-columns: 1fr; } }

.filtros { flex-direction: row; flex-wrap: wrap; align-items: end; }
.filtros input, .filtros select { padding: 10px 12px; border: 1px solid var(--borde); border-radius: var(--radio-chico); background: var(--paper); color: var(--ink); font: inherit; }

.tabla-wrap {
  overflow-x: auto; background: var(--panel); border: 1px solid var(--borde);
  border-radius: var(--radio); box-shadow: var(--sombra-chica);
}
table { border-collapse: collapse; width: 100%; min-width: 560px; font-size: .85rem; }
th, td { text-align: left; padding: 9px 14px; border-bottom: 1px solid var(--borde); }
th { background: var(--panel-2); font-weight: 600; font-size: .68rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
tbody tr { transition: background .1s; }
tbody tr:hover { background: var(--primario-suave); }
tbody tr:last-child td { border-bottom: none; }

.btn-link {
  color: var(--primario); cursor: pointer; text-decoration: none; padding: 7px 13px;
  border: 1px solid var(--borde); border-radius: var(--radio-chico); font-size: .84rem; font-weight: 500;
  transition: border-color .15s, background .15s; display: inline-block; background: var(--panel);
}
.btn-link:hover { border-color: var(--primario); background: var(--primario-suave); color: var(--primario-fuerte); }

.btn-del {
  background: transparent; color: var(--muted); border: 1px solid transparent; border-radius: 7px;
  cursor: pointer; padding: 4px 9px; font: inherit; font-size: 1rem; line-height: 1; font-weight: 500;
  transition: color .15s, background .15s;
}
.btn-del:hover { color: var(--error); background: var(--error-bg); }

.ayuda { font-size: 12.5px; color: var(--muted); line-height: 1.5; }

@keyframes girar { to { transform: rotate(360deg); } }
@keyframes aparecer { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

.leyendo[hidden] { display: none; }
.leyendo {
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  background: var(--panel); border: 1px solid var(--borde); border-radius: var(--radio);
  padding: 32px; margin-bottom: 20px; box-shadow: var(--sombra-chica);
  color: var(--muted); font-size: .92rem;
}
.spinner {
  width: 34px; height: 34px; border-radius: 50%;
  border: 3px solid var(--borde); border-top-color: var(--primario);
  animation: girar .8s linear infinite;
}
.fade-in { animation: aparecer .25s ease; }

@media (prefers-reduced-motion: reduce) {
  .spinner { animation: none; border-top-color: var(--borde); }
  .fade-in { animation: none; }
}

.drag-handle { cursor: grab; touch-action: none; color: var(--muted); user-select: none; width: 1%; }
.drag-handle:active { cursor: grabbing; }
.dragging { opacity: .6; background: var(--panel-2); }

.canvas-wrap { max-width: 100%; }
#listaZonas { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 6px; font-size: .85rem; }
#listaZonas li { display: flex; gap: 8px; align-items: center; }

.zona-form { background: var(--panel-2); padding: 16px; margin: 0; border-top-color: var(--borde); }

.fila-campo { display: flex; gap: 8px; margin-bottom: 6px; }
.fila-campo input { flex: 1; padding: 9px 11px; border: 1px solid var(--borde); border-radius: var(--radio-chico); background: var(--paper); color: var(--ink); font: inherit; }

.kpis { display: flex; gap: 14px; flex-wrap: wrap; }
.kpi {
  display: flex; flex-direction: column; gap: 3px; padding: 16px 18px;
  background: var(--panel); border: 1px solid var(--borde); border-radius: var(--radio); min-width: 128px; flex: 1;
}
.kpi b { font-size: 1.7rem; font-weight: 700; letter-spacing: -.02em; color: var(--primario); }
.kpi span { font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 500; }

.barras { margin-top: 6px; display: flex; flex-direction: column; gap: 10px; }
.barra-row { display: grid; grid-template-columns: 150px 1fr 120px; align-items: center; gap: 12px; font-size: .85rem; }
.barra { background: var(--panel-2); border-radius: 999px; height: 10px; overflow: hidden; }
.barra-fill { background: var(--primario); height: 100%; border-radius: 999px; }
.barra-pct { font-size: .8rem; color: var(--muted); }

.gantt { display: flex; flex-direction: column; gap: 10px; }
.gantt-row { display: grid; grid-template-columns: 170px 1fr 180px; align-items: center; gap: 12px; font-size: .85rem; }
.gantt-track { position: relative; height: 22px; background: var(--panel-2); border-radius: 7px; }
.gantt-bar { position: absolute; top: 0; height: 22px; background: var(--primario-suave); border: 1px solid var(--primario);
  border-radius: 7px; overflow: hidden; }
.gantt-bar-fill { position: absolute; top: 0; left: 0; height: 100%; background: var(--primario); opacity: .55; }
.gantt-bar-txt { position: relative; font-size: 11px; padding: 0 6px; line-height: 22px; color: var(--ink); }
.gantt-fechas { font-size: 11.5px; color: var(--muted); }
.gantt-track { height: 32px; overflow: hidden; }
.gantt-bar { height: 18px; }
.gantt-bar-txt { line-height: 18px; }
.gantt-bar-real { position: absolute; height: 8px; bottom: 2px; background: var(--primario); border-radius: 4px; }
.desvio-mal { color: var(--error); font-weight: 600; }
.desvio-ok { color: var(--ok); font-weight: 600; }

.tablero-head { display: flex; gap: 12px 16px; align-items: center; flex-wrap: wrap; justify-content: space-between; }
.tablero-head > :first-child { margin-right: auto; }
.tablero-head h3 { margin: 0; }
.tablero-modulo { margin-top: 14px; }
.tarea-row { display: flex; align-items: center; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--borde); }
.tarea-row:last-child { border-bottom: none; }
.estado-badge { color: #1a1608; border: none; border-radius: 999px; padding: 3px 11px; font-size: 11.5px; font-weight: 700; cursor: pointer; text-transform: capitalize; }
.tarea-titulo { flex: 1; }

@media (max-width: 640px) {
  .barra-row, .gantt-row { grid-template-columns: 1fr; }
}

.total-proyecto { text-align: right; font-size: 1.1rem; font-weight: 600; margin-top: 8px; color: var(--primario-fuerte); }

.tabla-wrap table { width: 100%; border-collapse: collapse; }
.tabla-wrap tbody tr:nth-child(odd) { background: color-mix(in srgb, var(--panel-2) 45%, transparent); }

.modal-backdrop { position: fixed; inset: 0; background: rgba(0, 0, 0, .6); display: grid; place-items: center; z-index: 100; padding: 20px; animation: aparecer .15s ease; }
.modal-backdrop[hidden] { display: none; }
.modal-card { background: var(--panel); border: 1px solid var(--borde); border-radius: 16px; padding: 24px; width: min(440px, 100%); box-shadow: var(--sombra); display: flex; flex-direction: column; gap: 16px; }
.modal-title { margin: 0; }
.modal-form { display: flex; flex-direction: column; gap: 12px; margin: 0; }
.modal-form label { display: flex; flex-direction: column; gap: 5px; font-size: .8rem; font-weight: 500; color: var(--muted); }
.modal-form input, .modal-form select { padding: 10px 12px; border: 1px solid var(--borde); border-radius: var(--radio-chico); background: var(--panel); color: var(--ink); font: inherit; }
.modal-form input:focus-visible, .modal-form select:focus-visible { border-color: var(--primario); box-shadow: 0 0 0 3px var(--primario-suave); outline: none; }
.modal-msg { margin: 0; color: var(--ink); }
.modal-acciones { display: flex; justify-content: flex-end; gap: 10px; }
.modal-ok.peligro { background: var(--error); color: #fff; box-shadow: none; }

.toast-cont { position: fixed; top: 68px; right: 20px; z-index: 200; display: flex; flex-direction: column; gap: 10px; }
.toast { padding: 12px 16px; border-radius: 10px; background: var(--panel); border: 1px solid var(--borde); border-left: 3px solid var(--muted); box-shadow: var(--sombra); color: var(--ink); font-size: .88rem; font-weight: 500; max-width: 340px; opacity: 0; transform: translateX(18px); transition: opacity .2s, transform .2s; }
.toast.visible { opacity: 1; transform: translateX(0); }
.toast-ok { border-left-color: var(--ok); }
.toast-error { border-left-color: var(--error); }
button.cargando { position: relative; color: transparent !important; pointer-events: none; }
button.cargando::after { content: ""; position: absolute; inset: 0; margin: auto; width: 16px; height: 16px; border: 2px solid var(--primario-suave); border-top-color: var(--primario); border-radius: 50%; animation: girar .7s linear infinite; }
button.primario.cargando::after { border-color: rgba(26, 22, 8, .25); border-top-color: #1a1608; }
@media (prefers-reduced-motion: reduce) { button.cargando::after { animation: none; } }

.vacio { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 44px 20px; text-align: center; color: var(--muted); }
.vacio svg { width: 40px; height: 40px; opacity: .5; }
.vacio b { color: var(--ink); font-weight: 600; font-size: .98rem; }
.vacio span { font-size: .85rem; max-width: 320px; }

.timeline { display: flex; flex-direction: column; gap: 10px; margin-top: 6px; }
.hito { display: grid; grid-template-columns: 96px auto 1fr auto; align-items: center; gap: 14px; padding: 12px 14px; border: 1px solid var(--borde); border-radius: var(--radio); background: var(--panel-2); }
.hito-fecha { font-size: .8rem; color: var(--muted); }
.hito-estado { color: #1a1608; border: none; border-radius: 999px; padding: 4px 12px; font-size: .78rem; font-weight: 600; cursor: pointer; text-transform: capitalize; }
.hito-cuerpo { display: flex; flex-direction: column; gap: 2px; }
.hito-cuerpo span { font-size: .82rem; color: var(--muted); }
@media (max-width: 640px) { .hito { grid-template-columns: 1fr auto; } .hito-fecha, .hito-cuerpo { grid-column: 1 / -1; } }