:root {
  --marca-900: #05070f;
  --marca-800: #0c1020;
  --marca-700: #1a2036;
  --marca-600: #262e4d;
  --acento: #6d8bff;
  --acento-600: #4f6ef7;
  --acento-100: rgba(109, 139, 255, 0.16);
  --superficie: #121729;
  --superficie-alta: #1a2038;
  --fondo: #05070f;
  --borde: #262d47;
  --texto: #eef0f9;
  --texto-tenue: #8b93b3;
  --verde: #2fe6a0;
  --verde-bg: rgba(47, 230, 160, 0.14);
  --rojo: #ff5c7a;
  --rojo-bg: rgba(255, 92, 122, 0.15);
  --ambar: #ffb84d;
  --ambar-bg: rgba(255, 184, 77, 0.15);
  --morado: #a78bfa;
  --morado-bg: rgba(167, 139, 250, 0.15);
  --cyan: #22d3ee;
  --cyan-bg: rgba(34, 211, 238, 0.15);
  --rosa: #f472b6;
  --rosa-bg: rgba(244, 114, 182, 0.15);
  --sombra-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
  --sombra-md: 0 10px 26px rgba(0, 0, 0, 0.45);
  --sombra-lg: 0 24px 60px rgba(0, 0, 0, 0.55);
  --radio: 12px;
  --radio-sm: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background:
    radial-gradient(760px 420px at 12% -6%, rgba(109, 139, 255, 0.16), transparent 60%),
    radial-gradient(680px 420px at 92% 8%, rgba(167, 139, 250, 0.12), transparent 55%),
    var(--fondo);
  background-attachment: fixed;
  color: var(--texto);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

header.topbar {
  background: linear-gradient(180deg, var(--marca-800) 0%, var(--marca-900) 100%);
  color: #fff;
  padding: 0 1.2rem;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  height: 54px;
  border-bottom: 1px solid var(--borde);
  box-shadow: 0 2px 16px rgba(0,0,0,0.4);
  position: sticky;
  top: 0;
  z-index: 50;
  overflow: hidden;
}

header.topbar .marca {
  font-weight: 800;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  flex-shrink: 0;
  background: linear-gradient(90deg, #fff, #c7d2fe);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
header.topbar .marca::before {
  content: "";
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: var(--acento);
  box-shadow: 0 0 0 3px rgba(109,139,255,0.28), 0 0 10px rgba(109,139,255,0.7);
}
header.topbar nav {
  display: flex; align-items: center; flex-wrap: nowrap;
  overflow-x: auto; overflow-y: hidden;
  scrollbar-width: thin;
  flex: 1 1 auto;
  min-width: 0;
  height: 100%;
}
header.topbar nav::-webkit-scrollbar { height: 3px; }
header.topbar nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); }
header.topbar nav a {
  color: #aab2d1;
  text-decoration: none;
  padding: 0.35rem 0.55rem;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s;
}
header.topbar nav a:hover { background: rgba(109,139,255,0.12); color: #fff; }
header.topbar .usuario { font-size: 0.78rem; color: #6b7398; padding: 0 0.4rem; white-space: nowrap; flex-shrink: 0; }
header.topbar .salir {
  flex-shrink: 0; white-space: nowrap;
  color: #aab2d1; text-decoration: none;
  padding: 0.35rem 0.6rem; border-radius: 6px; font-size: 0.78rem; font-weight: 500;
  transition: background 0.15s, color 0.15s;
}
header.topbar .salir:hover { background: rgba(109,139,255,0.12); color: #fff; }

main {
  max-width: 1180px;
  margin: 1.6rem auto;
  padding: 0 1.3rem 3rem;
}

h1 { font-size: 1.5rem; margin-bottom: 0.3rem; font-weight: 800; letter-spacing: -0.01em; color: var(--texto); }
h2 { font-size: 1.05rem; margin-top: 2.2rem; font-weight: 700; color: var(--texto); }
.subtitulo { color: var(--texto-tenue); margin-top: 0; margin-bottom: 1.3rem; font-size: 0.92rem; }
a { color: var(--acento); }
code { color: var(--cyan); background: rgba(34,211,238,0.08); padding: 0.05rem 0.35rem; border-radius: 4px; }

input, select, textarea, button {
  font-family: inherit;
  color: var(--texto);
}
input:not([type=checkbox]):not([type=radio]), select, textarea {
  background: var(--marca-900);
  border: 1px solid var(--borde);
  border-radius: var(--radio-sm);
  padding: 0.5rem 0.65rem;
  font-size: 0.9rem;
}
input:not([type=checkbox]):not([type=radio]):focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--acento);
  box-shadow: 0 0 0 3px var(--acento-100);
}
select option { background: var(--superficie); color: var(--texto); }
input::placeholder, textarea::placeholder { color: #565f82; }

.tarjeta {
  background: linear-gradient(180deg, var(--superficie-alta) 0%, var(--superficie) 100%);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 1.2rem 1.4rem;
  box-shadow: var(--sombra-sm);
}

.grid-tarjetas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1rem;
  margin-bottom: 1.6rem;
}
.grid-tarjetas .tarjeta {
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.15s, transform 0.15s, border-color 0.15s;
}
.grid-tarjetas .tarjeta:hover { box-shadow: var(--sombra-md); transform: translateY(-2px); border-color: var(--marca-600); }
.grid-tarjetas .tarjeta::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--acento);
  box-shadow: 0 0 12px 0 var(--acento);
}
.grid-tarjetas .tarjeta::after {
  content: "";
  position: absolute;
  right: -30px; top: -30px;
  width: 90px; height: 90px;
  border-radius: 50%;
  background: var(--acento);
  opacity: 0.12;
  filter: blur(8px);
}
.grid-tarjetas .tarjeta .num { font-size: 2rem; font-weight: 800; color: var(--texto); letter-spacing: -0.02em; }
.grid-tarjetas .tarjeta .etiqueta { font-size: 0.8rem; color: var(--texto-tenue); font-weight: 500; margin-top: 0.15rem; }

/* Variedad de color por tarjeta, como un dashboard de métricas con acentos distintos. */
.grid-tarjetas .tarjeta:nth-child(5n+2)::before, .grid-tarjetas .tarjeta:nth-child(5n+2)::after { background: var(--verde); box-shadow: 0 0 12px 0 var(--verde); }
.grid-tarjetas .tarjeta:nth-child(5n+3)::before, .grid-tarjetas .tarjeta:nth-child(5n+3)::after { background: var(--ambar); box-shadow: 0 0 12px 0 var(--ambar); }
.grid-tarjetas .tarjeta:nth-child(5n+4)::before, .grid-tarjetas .tarjeta:nth-child(5n+4)::after { background: var(--cyan); box-shadow: 0 0 12px 0 var(--cyan); }
.grid-tarjetas .tarjeta:nth-child(5n+5)::before, .grid-tarjetas .tarjeta:nth-child(5n+5)::after { background: var(--morado); box-shadow: 0 0 12px 0 var(--morado); }

table { width: 100%; border-collapse: collapse; background: var(--superficie); }
table.tabla {
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra-sm);
}
th, td { text-align: left; padding: 0.65rem 0.8rem; border-bottom: 1px solid var(--borde); font-size: 0.88rem; }
th {
  background: var(--superficie-alta);
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--texto-tenue);
}
tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: rgba(109,139,255,0.05); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.badge.activo { background: var(--verde-bg); color: var(--verde); }
.badge.cesado { background: rgba(139,147,179,0.15); color: var(--texto-tenue); }
.badge.vencido { background: var(--rojo-bg); color: var(--rojo); }
.badge.por-vencer { background: var(--ambar-bg); color: var(--ambar); }
.badge.pendiente { background: var(--ambar-bg); color: var(--ambar); }
.badge.elaborada { background: var(--verde-bg); color: var(--verde); }

.campo-dudoso, input.dudoso, select.dudoso, textarea.dudoso {
  background: var(--ambar-bg) !important;
  border-color: var(--ambar) !important;
}
.nota-dudoso { color: var(--ambar); font-size: 0.78rem; margin-top: 0.15rem; }

form.formulario { max-width: 640px; }
form.formulario label { display: block; margin: 0.85rem 0 0.3rem; font-size: 0.82rem; font-weight: 700; color: var(--texto); }
form.formulario input, form.formulario select, form.formulario textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--borde);
  border-radius: var(--radio-sm);
  font-size: 0.92rem;
  background: var(--marca-900);
  color: var(--texto);
  transition: border-color 0.15s, box-shadow 0.15s;
}
form.formulario input::placeholder, form.formulario textarea::placeholder { color: #565f82; }
form.formulario input:focus, form.formulario select:focus, form.formulario textarea:focus {
  outline: none;
  border-color: var(--acento);
  box-shadow: 0 0 0 3px var(--acento-100);
}
form.formulario input:disabled, form.formulario select:disabled { opacity: 0.5; cursor: not-allowed; }
form.formulario select option { background: var(--superficie); color: var(--texto); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: linear-gradient(135deg, var(--acento) 0%, #8b6cf7 100%);
  color: #fff;
  border: none;
  padding: 0.6rem 1.15rem;
  border-radius: var(--radio-sm);
  font-size: 0.87rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(109,139,255,0.28);
  transition: filter 0.15s, box-shadow 0.15s, transform 0.05s;
}
.btn:hover { filter: brightness(1.08); box-shadow: 0 6px 22px rgba(109,139,255,0.4); }
.btn:active { transform: translateY(1px); }
.btn.secundario { background: var(--superficie-alta); color: var(--texto); border: 1px solid var(--borde); box-shadow: none; }
.btn.secundario:hover { background: var(--marca-600); filter: none; border-color: var(--acento); }
.btn.peligro { background: linear-gradient(135deg, var(--rojo) 0%, #ff8a5c 100%); box-shadow: 0 4px 16px rgba(255,92,122,0.28); }
.btn.peligro:hover { box-shadow: 0 6px 22px rgba(255,92,122,0.4); }
.btn-fila { margin-top: 1.3rem; display: flex; gap: 0.6rem; flex-wrap: wrap; }

.alerta {
  padding: 0.75rem 1.05rem;
  border-radius: var(--radio-sm);
  margin-bottom: 1rem;
  font-size: 0.89rem;
  border: 1px solid transparent;
}
.alerta.error { background: var(--rojo-bg); color: var(--rojo); border-color: rgba(255,92,122,0.35); }
.alerta.exito { background: var(--verde-bg); color: var(--verde); border-color: rgba(47,230,160,0.35); }
.alerta.info { background: var(--acento-100); color: var(--acento); border-color: rgba(109,139,255,0.35); }

.acciones-tabla a { margin-right: 0.7rem; font-size: 0.84rem; color: var(--acento); font-weight: 600; text-decoration: none; }
.acciones-tabla a:hover { text-decoration: underline; }

body:has(.login-caja) {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(900px 560px at 15% 10%, rgba(109,139,255,0.22), transparent 60%),
    radial-gradient(700px 500px at 88% 85%, rgba(244,114,182,0.14), transparent 55%),
    radial-gradient(circle at 50% 50%, #10152a 0%, var(--marca-900) 60%, #020308 100%);
}
.login-caja {
  width: 100%;
  max-width: 380px;
  margin: 1.5rem;
  background: linear-gradient(180deg, var(--superficie-alta) 0%, var(--superficie) 100%);
  padding: 2.4rem 2.3rem 2.1rem;
  border-radius: 16px;
  border: 1px solid var(--borde);
  box-shadow: var(--sombra-lg);
  position: relative;
  overflow: hidden;
}
.login-caja::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--acento), var(--rosa), var(--cyan));
}
.login-caja .marca-login {
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  margin-bottom: 0.4rem;
}
.login-caja .marca-login .punto {
  width: 10px; height: 10px; border-radius: 3px; background: var(--acento);
  box-shadow: 0 0 0 4px var(--acento-100), 0 0 14px 2px rgba(109,139,255,0.8);
}
.login-caja h1 { text-align: center; font-size: 1.15rem; color: var(--texto); margin: 0 0 1.6rem; }
.login-caja .subtitulo-login { text-align: center; color: var(--texto-tenue); font-size: 0.82rem; margin: -1.2rem 0 1.6rem; }
.login-caja .btn { width: 100%; justify-content: center; padding: 0.7rem 1rem; font-size: 0.92rem; }

/* ---------- Asistencia ---------- */
.asistencia-wrap { border: 1px solid var(--borde); border-radius: var(--radio); overflow: auto; box-shadow: var(--sombra-sm); background: var(--superficie); max-height: 78vh; }
table.tabla-asistencia { border-collapse: separate; border-spacing: 0; font-size: 0.78rem; table-layout: fixed; }
table.tabla-asistencia th, table.tabla-asistencia td { border: none; border-bottom: 1px solid var(--borde); border-right: 1px solid var(--borde); padding: 0; line-height: 1.15; }
table.tabla-asistencia th.col-numero, table.tabla-asistencia td.col-numero {
  position: sticky; left: 0; z-index: 3;
  background: var(--superficie);
  text-align: center;
  width: 34px; min-width: 34px; max-width: 34px;
  color: var(--texto-tenue); font-size: 0.76rem;
}
table.tabla-asistencia th.col-nombre, table.tabla-asistencia td.col-nombre {
  position: sticky; left: 34px; z-index: 3;
  background: var(--superficie);
  text-align: left;
  padding: 0.4rem 0.6rem;
  width: 178px; min-width: 178px; max-width: 178px;
  border-right: 2px solid var(--borde);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
table.tabla-asistencia td.col-nombre strong { font-size: 0.82rem; color: var(--texto); }
table.tabla-asistencia thead th { position: sticky; top: 0; z-index: 2; background: var(--superficie-alta); }
table.tabla-asistencia thead th.col-numero, table.tabla-asistencia thead th.col-nombre { z-index: 4; }
table.tabla-asistencia thead tr.fila-meses th { background: var(--marca-800); color: #fff; font-size: 0.7rem; padding: 0.3rem 0; text-align: center; }
table.tabla-asistencia thead tr.fila-meses th.col-numero, table.tabla-asistencia thead tr.fila-meses th.col-nombre { background: var(--marca-800); color: #fff; }
table.tabla-asistencia thead tr.fila-dias th { padding: 0.25rem 0; text-align: center; font-size: 0.66rem; color: var(--texto-tenue); width: 26px; }
table.tabla-asistencia thead tr.fila-dias th.finde { background: var(--marca-600); }
table.tabla-asistencia thead tr.fila-dias th.columna-margen { background: var(--marca-700); color: #5b6386; }
table.tabla-asistencia td.celda-dia {
  width: 26px; height: 26px;
  text-align: center; vertical-align: middle;
  cursor: pointer; user-select: none;
  font-weight: 700; font-size: 0.72rem;
  color: #4b5273;
  transition: filter 0.1s;
  white-space: nowrap;
}
table.tabla-asistencia td.celda-dia:hover { filter: brightness(1.25); }
table.tabla-asistencia td.celda-dia.bloqueada { cursor: not-allowed; }
table.tabla-asistencia td.celda-dia.fuera-rango { background: repeating-linear-gradient(45deg, var(--marca-900), var(--marca-900) 4px, var(--marca-700) 4px, var(--marca-700) 8px); cursor: default; }
table.tabla-asistencia td.celda-dia.columna-margen:not(.fuera-rango) { background: var(--marca-800); box-shadow: inset 0 0 0 1px var(--marca-700); }
table.tabla-asistencia td.celda-dia.divisor-mes { border-right: 2px solid var(--acento); }
table.tabla-asistencia th.divisor-mes { border-right: 2px solid var(--acento); }

td.celda-dia.dia-T { background: #17d97c; color: #06231a; text-shadow: 0 0 8px rgba(23,217,124,0.6); }
td.celda-dia.dia-D { background: #4d8dff; color: #051229; text-shadow: 0 0 8px rgba(77,141,255,0.6); }
td.celda-dia.dia-F { background: #ff3b5c; color: #2a0410; text-shadow: 0 0 8px rgba(255,59,92,0.6); }
td.celda-dia.dia-TD { background: #ffab2e; color: #2a1600; text-shadow: 0 0 8px rgba(255,171,46,0.6); }
td.celda-dia.dia-OD { background: #b478ff; color: #1c0a33; text-shadow: 0 0 8px rgba(180,120,255,0.6); }
td.celda-dia.tiene-descuento { color: #ff3355 !important; box-shadow: inset 0 0 0 2px #ff3355; }
td.celda-dia.tiene-descuento.dia-T, td.celda-dia.tiene-descuento.dia-D { color: #3a0010 !important; }

.leyenda-asistencia { display: flex; flex-wrap: wrap; gap: 0.9rem; align-items: center; margin: 0.9rem 0 1.1rem; font-size: 0.82rem; color: var(--texto-tenue); }
.leyenda-asistencia .item { display: flex; align-items: center; gap: 0.4rem; }
.leyenda-asistencia .muestra { width: 18px; height: 18px; border-radius: 4px; display: inline-block; }

td.col-resumen { text-align: center; font-weight: 700; font-size: 0.76rem; background: var(--superficie-alta); width: 32px; min-width: 32px; color: var(--texto); }
th.col-resumen { text-align: center; font-size: 0.66rem; width: 32px; min-width: 32px; }
th.col-resumen-inicio, td.col-resumen-inicio { border-left: 2px solid var(--acento); }

table.tabla-asistencia tfoot td { background: var(--marca-700); border-top: 2px solid var(--acento); border-bottom: none; padding: 0.4rem 0; color: var(--texto); }
table.tabla-asistencia tfoot td.col-numero { position: sticky; left: 0; background: var(--marca-700); }