:root {
  --azul: #1a5c3a;
  --azul-osc: #0f3d24;
  --azul-claro: #e3f1e9;
  --indigo: #166534;
  --violeta: #14532d;
  --rosa: #db2777;
  --turquesa: #0d9488;
  --verde: #16a34a;
  --verde-claro: #dcfce7;
  --rojo: #dc2626;
  --rojo-claro: #fee2e2;
  --ambar: #f59e0b;
  --borde: #d9e0e8;
  --texto: #1f2937;
  --gris: #f6f8fa;
  --sombra: 0 4px 16px rgba(26,79,139,.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--texto);
  background: linear-gradient(160deg, #eef4fb 0%, #f7f3fc 45%, #fdf1f6 100%);
  background-attachment: fixed;
  line-height: 1.5;
  min-height: 100vh;
}

/* ---------- Cabecera ---------- */
header {
  background: linear-gradient(120deg, #0f3d24 0%, #1a5c3a 40%, #166534 75%, #14532d 100%);
  color: #fff;
  padding: 34px 24px 30px;
  box-shadow: 0 6px 24px rgba(15,61,36,.25);
  position: relative;
  overflow: hidden;
  text-align: center;
}
header::after {
  content: '';
  position: absolute;
  right: -80px; top: -80px;
  width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(255,255,255,.22), transparent 70%);
  border-radius: 50%;
}
header h1 {
  margin: 0 0 10px;
  font-size: 2rem;
  letter-spacing: .01em;
  position: relative;
  font-family: Georgia, 'Times New Roman', 'Playfair Display', serif;
  font-weight: 600;
  text-shadow: 0 2px 6px rgba(0,0,0,.2);
}
header h1 .emoji { margin-right: 8px; }
header .sub {
  margin: 0 auto;
  opacity: .95;
  font-size: .98rem;
  max-width: 900px;
  position: relative;
}
header .sub strong {
  color: #fff;
  background: rgba(255,255,255,.16);
  padding: 1px 8px;
  border-radius: 20px;
  font-weight: 600;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 26px 24px;
  display: grid;
  gap: 22px;
}

/* ---------- Paneles ---------- */
.panel {
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: 14px;
  padding: 22px;
  box-shadow: var(--sombra);
  position: relative;
  overflow: hidden;
}
.panel::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 5px;
  background: linear-gradient(180deg, var(--azul), var(--indigo), var(--violeta));
}
.panel h2 {
  margin: 0 0 14px;
  font-size: 1.18rem;
  color: var(--azul-osc);
  display: flex;
  align-items: center;
  gap: 8px;
}

.hint { color: #6b7785; font-size: .85rem; font-weight: 400; }
.hint strong { color: var(--indigo); }
code {
  background: var(--azul-claro);
  color: var(--azul-osc);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: .82rem;
}

/* ---------- Casillas de datos ---------- */
.grid-pegado {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}
.grid-pegado label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: .82rem;
  font-weight: 700;
  color: var(--azul-osc);
  text-transform: uppercase;
  letter-spacing: .03em;
}
.grid-pegado label:nth-child(1) textarea { border-top: 3px solid var(--indigo); }
.grid-pegado label:nth-child(2) textarea { border-top: 3px solid var(--turquesa); }
.grid-pegado label:nth-child(3) textarea { border-top: 3px solid var(--turquesa); }
.grid-pegado label:nth-child(4) textarea { border-top: 3px solid var(--verde); }
.grid-pegado label:nth-child(5) textarea { border-top: 3px solid var(--ambar); }
.grid-pegado textarea {
  font-family: inherit;
  font-size: .9rem;
  min-height: 100px;
}

textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--borde);
  border-radius: 10px;
  font-family: "SF Mono", Consolas, Monaco, monospace;
  font-size: .85rem;
  resize: vertical;
  background: #fcfdff;
  transition: .15s;
}
textarea:focus {
  outline: none;
  border-color: var(--indigo);
  box-shadow: 0 0 0 3px rgba(79,70,229,.12);
  background: #fff;
}

@media (max-width: 820px) {
  .grid-pegado { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
  .grid-pegado { grid-template-columns: 1fr; }
}

/* ---------- Botones ---------- */
.acciones {
  margin-top: 16px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

button {
  padding: 10px 18px;
  border: 1px solid var(--borde);
  border-radius: 10px;
  background: #fff;
  color: var(--texto);
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
}
button:hover {
  background: var(--gris);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(0,0,0,.08);
}
button:active { transform: translateY(0); }
button.primary {
  background: linear-gradient(120deg, var(--azul), var(--indigo));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 3px 12px rgba(79,70,229,.3);
}
button.primary:hover {
  background: linear-gradient(120deg, var(--azul-osc), var(--violeta));
  filter: brightness(1.05);
}
#btn-add-fila { color: var(--turquesa); border-color: #a7e5dd; }
#btn-add-fila:hover { background: #effbf9; }
#btn-excel { background: linear-gradient(120deg, #166534, var(--verde)); box-shadow: 0 3px 12px rgba(22,163,74,.3); }
#btn-excel:hover { background: linear-gradient(120deg, #14532d, #15803d); }
#btn-csv { color: var(--verde); border-color: #b6e6c6; }
#btn-csv:hover { background: #f0fdf4; }

/* ---------- Tablas ---------- */
.tabla-wrap {
  overflow-x: auto;
  border-radius: 10px;
  border: 1px solid var(--borde);
}

table {
  border-collapse: collapse;
  width: 100%;
  font-size: .88rem;
  background: #fff;
}
th, td {
  border-bottom: 1px solid #eef2f6;
  border-right: 1px solid #eef2f6;
  padding: 9px 11px;
  text-align: left;
  white-space: nowrap;
}
th:last-child, td:last-child { border-right: none; }
thead th {
  background: linear-gradient(180deg, var(--azul-claro), #dde9f6);
  color: var(--azul-osc);
  font-weight: 700;
  position: sticky;
  top: 0;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .02em;
}
tbody tr:nth-child(even) td { background: #fafbfd; }
tbody tr:hover td { background: #f0f5fc; }
thead small { font-weight: 400; opacity: .8; text-transform: none; letter-spacing: 0; }

#entrada input {
  width: 100%;
  border: none;
  padding: 4px;
  font: inherit;
  background: transparent;
  border-radius: 5px;
}
#entrada input:focus {
  outline: 2px solid var(--indigo);
  background: #fff;
}

/* ---------- Resaltados ---------- */
.col-obj { background: #eafaf0 !important; }
.col-imp { background: #fdeff0 !important; }
td.col-obj {
  color: var(--verde);
  font-weight: 700;
  background: var(--verde-claro) !important;
}
td.col-imp {
  color: var(--rojo);
  font-weight: 700;
  background: var(--rojo-claro) !important;
}

.btn-borrar {
  padding: 3px 10px;
  color: var(--rojo);
  border-color: #f3c4c4;
  font-weight: 700;
  line-height: 1;
}
.btn-borrar:hover { background: var(--rojo-claro); }

.fila-error td { background: var(--rojo-claro) !important; color: var(--rojo); }
.total-row td {
  font-weight: 700;
  background: linear-gradient(180deg, #eef4fb, #e2ecf8) !important;
  color: var(--azul-osc);
  border-top: 2px solid var(--azul);
}

/* ---------- Pie ---------- */
footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4px 24px 44px;
}
.disclaimer {
  border: 1px solid var(--borde);
  border-radius: 12px;
  background: #fff;
  padding: 0 18px;
  box-shadow: var(--sombra);
}
.disclaimer > summary {
  cursor: pointer;
  padding: 14px 0;
  font-weight: 700;
  color: var(--azul-osc);
  list-style: none;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 9px;
}
.disclaimer > summary::-webkit-details-marker { display: none; }
.disclaimer > summary::before {
  content: '▸';
  transition: transform .18s;
  color: var(--indigo);
  font-size: 1.1rem;
}
.disclaimer[open] > summary::before { transform: rotate(90deg); }
.disclaimer-texto {
  color: #6b7785;
  font-size: .84rem;
  line-height: 1.65;
  border-top: 1px solid var(--gris);
  padding: 14px 0 18px;
}
.disclaimer-texto p { margin: 0; }
.copyright {
  text-align: center;
  color: #94a3b8;
  font-size: .82rem;
  margin: 20px 0 0;
  letter-spacing: .06em;
  font-weight: 600;
}