:root {
  --ink: #1a2033;
  --ink-soft: #5b6478;
  --ink-mute: #8a93a8;
  --canvas: #eff3fa;
  --surface: #ffffff;
  --surface-2: #f8fafe;
  --luz: #ffffff;
  --sombra-oscura: #c3cce0;
  --borde: #d8deea;
  --borde-suave: rgba(88, 101, 145, 0.14);

  --accent: #4f5fe0;
  --accent-ink: #3b49be;
  --accent-tint: #edeffd;
  --accent-tint-2: #dee2fb;
  --gold: #c9930a;
  --gold-tint: #fbf1da;

  --good: #1e9e6b;
  --good-tint: #e5f6ef;
  --warn: #dd7a1f;
  --warn-tint: #fdf0e1;
  --crit: #d8394f;
  --crit-tint: #fce7ea;

  --c1: #4f5fe0;
  --c2: #0ea5a0;
  --c3: #c98a1b;
  --c4: #d6467e;
  --c5: #7c5cfc;
  --c6: #12875a;
  --c7: #0e93a3;
  --c8: #626f91;

  --radio: 20px;
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;

  --relieve: 0 10px 24px -10px rgba(30, 41, 90, 0.16), 0 2px 6px rgba(30, 41, 90, 0.05);
  --relieve-suave: 0 6px 14px -6px rgba(30, 41, 90, 0.18), 0 1px 3px rgba(30, 41, 90, 0.06);
  --hundido: inset 0 0 0 1.5px var(--borde);
  --shadow-3: 0 24px 48px -16px rgba(24, 32, 72, 0.24);

  --fuente: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --fuente-mono: "Cascadia Code", Consolas, ui-monospace, "SFMono-Regular", Menlo, monospace;

  --sidebar-w: 254px;
  --topbar-h: 64px;
}

html[data-contraste="alto"] {
  --ink: #000000;
  --ink-soft: #1a1a1a;
  --ink-mute: #333333;
  --canvas: #ffffff;
  --surface: #ffffff;
  --surface-2: #ffffff;
  --borde: #000000;
  --borde-suave: #000000;
  --accent: #2a2fa8;
  --accent-ink: #1d2279;
  --accent-tint: #dfe2ff;
  --good: #05623f;
  --good-tint: #ffffff;
  --crit: #9b0c1f;
  --crit-tint: #ffffff;
  --relieve: none;
  --relieve-suave: 0 0 0 2px #000000;
  --hundido: inset 0 0 0 2px #000000;
}

html[data-contraste="alto"] .tarjeta,
html[data-contraste="alto"] .acceso-panel,
html[data-contraste="alto"] .tarjeta-ancha,
html[data-contraste="alto"] .card,
html[data-contraste="alto"] .kpi {
  border: 2px solid var(--borde);
}

html[data-contraste="alto"] .menu a .ic,
html[data-contraste="alto"] .marca::before,
html[data-contraste="alto"] .avatar {
  background: #000000 !important;
  box-shadow: none !important;
}

html[data-contraste="alto"] .menu a[aria-current="page"] {
  border: 2px solid var(--borde);
}

html[data-contraste="alto"] .boton {
  background: #000000;
  box-shadow: none;
}

html[data-texto="grande"] {
  font-size: 120%;
}

html[data-texto="muy-grande"] {
  font-size: 140%;
}

html[data-movimiento="reducido"] *,
html[data-movimiento="reducido"] *::before,
html[data-movimiento="reducido"] *::after {
  transition: none !important;
  animation: none !important;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--fuente);
  font-size: 1rem;
  display: grid;
  grid-template-columns: minmax(0, min(460px, 100%));
  justify-content: center;
  align-content: center;
  padding: 16px;
  position: relative;
}

h1, h2, h3, h4 { margin: 0; color: var(--ink); }

/* ------------------------------------------------------------
   Fondo ambiental para pantallas de acceso (login / restablecer)
   ------------------------------------------------------------ */
body:not(.app-body)::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(1100px 700px at 14% 18%, #e4e9fc 0%, transparent 60%),
    radial-gradient(900px 620px at 88% 82%, #e3f6f2 0%, transparent 58%),
    linear-gradient(160deg, #f4f6fc 0%, #eef1fa 45%, #eaf1f5 100%);
}

.tarjeta {
  width: 100%;
  min-width: 0;
  background: var(--surface);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-3);
  padding: 36px 34px;
  position: relative;
  z-index: 1;
}

.marca {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 4px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.marca::before {
  content: "S";
  flex: none;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--fuente);
  font-weight: 700;
  font-size: 16px;
  color: #2a2205;
  background: linear-gradient(145deg, #f6ce58, var(--gold));
  box-shadow: 0 8px 18px -6px rgba(201, 147, 10, 0.55);
}

.subtitulo {
  color: var(--ink-soft);
  font-size: 0.875rem;
  margin: 0 0 24px;
}

.campo {
  margin-bottom: 18px;
}

.campo label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

.campo input,
.campo select {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  color: var(--ink);
  border: 1.5px solid var(--borde);
  border-radius: var(--r-sm);
  background: var(--surface-2);
  box-shadow: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.campo select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='11' height='7'><path d='M1 1l4.5 4.5L10 1' fill='none' stroke='%235B6478' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 13px center;
  padding-right: 32px;
  cursor: pointer;
}

.campo input:focus,
.campo select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 4px var(--accent-tint);
}

.campo-error input,
.campo-error select {
  border-color: var(--crit);
  box-shadow: 0 0 0 3px var(--crit-tint);
}

.campo-error label {
  color: var(--crit);
}

.boton {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  font-weight: 600;
  color: #ffffff;
  background: linear-gradient(160deg, #6472e8, var(--accent) 55%, var(--accent-ink));
  border: none;
  border-radius: var(--r-sm);
  box-shadow: 0 12px 22px -8px rgba(79, 95, 224, 0.5);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.boton:hover {
  box-shadow: 0 16px 28px -8px rgba(79, 95, 224, 0.58);
  transform: translateY(-1px);
}

.boton:active {
  transform: scale(0.98);
}

.boton:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.boton:disabled {
  opacity: 0.6;
  cursor: default;
  transform: none;
}

.boton-secundario {
  background: var(--surface);
  color: var(--accent-ink);
  border: 1.5px solid var(--borde);
  box-shadow: var(--relieve-suave);
  margin-top: 10px;
}

.boton-secundario:hover {
  background: var(--surface-2);
  color: var(--accent);
  box-shadow: var(--relieve-suave);
}

.enlace {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.875rem;
  color: var(--accent-ink);
  text-decoration: none;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  font-family: inherit;
  font-weight: 600;
}

.enlace:hover {
  text-decoration: underline;
}

.enlace:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.alerta {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--r-md);
  font-size: 0.875rem;
  margin-bottom: 18px;
  border-left: 3px solid var(--ink-mute);
  background: var(--surface-2);
  line-height: 1.5;
}

.alerta.error {
  background: var(--crit-tint);
  color: var(--crit);
  border-left-color: var(--crit);
}

.alerta.ok {
  background: var(--good-tint);
  color: var(--good);
  border-left-color: var(--good);
}

.oculto {
  display: none;
}

.texto-suave {
  color: var(--ink-mute);
  font-size: 0.75rem;
  margin-top: 16px;
}

.acceso-boton {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 40;
  padding: 12px 18px;
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-ink);
  background: var(--surface);
  border: 1.5px solid var(--borde);
  border-radius: var(--r-sm);
  box-shadow: var(--relieve-suave);
  cursor: pointer;
}

.acceso-boton:focus-visible,
.acceso-panel input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.acceso-panel {
  position: fixed;
  bottom: 76px;
  right: 20px;
  z-index: 40;
  width: min(280px, calc(100% - 40px));
  padding: 16px;
  background: var(--surface);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-3);
  font-size: 0.875rem;
}

.acceso-panel fieldset {
  border: none;
  margin: 12px 0 0;
  padding: 0;
}

.acceso-panel legend {
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 6px;
  padding: 0;
}

.acceso-panel label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  cursor: pointer;
  color: var(--ink);
}

/* ------------------------------------------------------------
   App shell: sidebar + topbar + contenido
   ------------------------------------------------------------ */
body.app-body {
  display: block;
  padding: 0;
}

body.app-body::before {
  content: none;
}

.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  min-height: 100vh;
}

.menu {
  background: var(--surface-2);
  border-right: 1px solid var(--borde-suave);
  box-shadow: none;
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.menu .marca {
  margin: 6px 10px 20px;
  font-size: 1.1rem;
}

.menu .marca::before {
  width: 36px;
  height: 36px;
}

.menu a {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 11px;
  border-radius: var(--r-md);
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 600;
  transition: color 0.15s ease, background 0.15s ease;
}

.menu a .ic {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.menu a .ic svg {
  width: 15px;
  height: 15px;
}

.menu a:hover {
  color: var(--ink);
  background: var(--surface);
}

.menu a[aria-current="page"] {
  box-shadow: var(--relieve);
  background: var(--surface);
  color: var(--ink);
}

.menu a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.menu .proximo {
  padding: 10px 12px;
  color: var(--ink-mute);
  font-size: 0.9375rem;
}

.menu .boton {
  margin-top: auto;
}

.menu .nav-section-label {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding: 16px 11px 6px;
}

/* module icon colors — cada módulo con su propio acento */
.ic-clientes { background: linear-gradient(145deg, #79a8ff, #2952cc); }
.ic-proyectos { background: linear-gradient(145deg, #a99bff, #5b4fd1); }
.ic-cotizaciones { background: linear-gradient(145deg, #ff9cbc, #d6467e); }
.ic-proveedores { background: linear-gradient(145deg, #fdc26b, #c9770f); }
.ic-requisiciones { background: linear-gradient(145deg, #6fe0c9, #0e8a7a); }
.ic-ordenes-compra { background: linear-gradient(145deg, #7fd4e6, #0e93a3); }
.ic-expedientes-diseno { background: linear-gradient(145deg, #5bdba7, #12875a); }
.ic-reportes-servicio { background: linear-gradient(145deg, #ffb677, #d9731a); }
.ic-actas-entrega { background: linear-gradient(145deg, #c79bff, #7c5cfc); }
.ic-actas-cierre { background: linear-gradient(145deg, #8fd9a8, #1e9e6b); }
.ic-usuarios { background: linear-gradient(145deg, #aeb9d6, #626f91); }

.main {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  height: var(--topbar-h);
  flex: none;
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(239, 243, 250, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--borde-suave);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 28px;
}

.topbar .crumbs {
  font-size: 15.5px;
  font-weight: 600;
  flex: 1;
  min-width: 0;
}

.topbar .crumbs span {
  color: var(--ink-mute);
  font-weight: 400;
  margin-right: 6px;
}

.topbar-usuario {
  display: flex;
  align-items: center;
  gap: 9px;
  background: var(--surface);
  border-radius: 999px;
  padding: 5px 14px 5px 5px;
  box-shadow: var(--relieve-suave);
  flex: none;
}

.avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 12px;
  color: #fff;
  background: linear-gradient(150deg, #6472e8, var(--accent-ink));
}

.topbar-usuario b {
  font-size: 12.6px;
  display: block;
  color: var(--ink);
}

.topbar-usuario span {
  display: block;
  font-size: 10.6px;
  color: var(--ink-mute);
}

.contenido {
  padding: 28px 28px 60px;
  min-width: 0;
  flex: 1;
}

.contenido:focus {
  outline: none;
}

.encabezado {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.encabezado h2 {
  margin: 0;
  font-size: 1.45rem;
  color: var(--ink);
}

.boton-pequeno {
  width: auto;
  padding: 10px 18px;
  font-size: 0.9375rem;
}

.tarjeta-ancha {
  background: var(--surface);
  border-radius: var(--r-lg);
  box-shadow: var(--relieve);
  padding: 22px 22px;
  overflow-x: auto;
}

.tarjeta-ancha table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.tarjeta-ancha th,
.tarjeta-ancha td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--borde-suave);
}

.tarjeta-ancha th {
  color: var(--ink-mute);
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tarjeta-ancha tbody tr {
  transition: background 0.15s ease;
}

.tarjeta-ancha tbody tr:hover {
  background: var(--surface-2);
}

.formulario-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0 18px;
  margin-bottom: 8px;
}

.tarjeta-ancha table input,
.tarjeta-ancha table select {
  width: 100%;
  min-width: 90px;
  padding: 8px 10px;
  font: inherit;
  color: var(--ink);
  border: 1.5px solid var(--borde);
  border-radius: var(--r-sm);
  background: var(--surface-2);
  box-sizing: border-box;
}

.tarjeta-ancha table input:focus,
.tarjeta-ancha table select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 3px var(--accent-tint);
}

.item-total {
  white-space: nowrap;
  font-weight: 600;
}

.tabla-items {
  table-layout: fixed;
  min-width: 540px;
}

.tabla-items th:first-child,
.tabla-items td:first-child {
  width: 34%;
}

/* ------------------------------------------------------------
   Pill / badge de estado — uso opcional en columnas de estado
   ------------------------------------------------------------ */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.pill--good { background: var(--good-tint); color: var(--good); }
.pill--warn { background: var(--warn-tint); color: var(--warn); }
.pill--crit { background: var(--crit-tint); color: var(--crit); }
.pill--info { background: var(--accent-tint); color: var(--accent-ink); }
.pill--mute { background: #f0f2f8; color: var(--ink-soft); }

@media (max-width: 900px) {
  .app {
    grid-template-columns: minmax(0, 1fr);
  }

  .menu {
    display: none;
  }

  .main {
    margin-left: 0;
  }

  .topbar {
    padding: 0 16px;
  }
}

@media (max-width: 760px) {
  .contenido {
    padding: 16px;
  }

  .acceso-boton {
    position: static;
    width: auto;
    padding: 8px 14px;
    font-size: 0.875rem;
    box-shadow: none;
  }

  .acceso-panel {
    top: 12px;
    right: 12px;
    bottom: auto;
  }
}