:root {
  --verde: #2f3b1f;
  --verde-claro: #46592c;
  --dorado: #a68a4e;
  --dorado-claro: #c9ad74;
  --crema: #f6f3e9;
  --carton: #efe8d6;
  --texto: #22261a;
  --texto-suave: #6b6753;
  --borde: #ddd3b5;
  --rojo: #a8462f;
  --verde-ok: #4f7942;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--crema);
  color: var(--texto);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

/* --- Login --- */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--verde);
  background-image: linear-gradient(160deg, var(--verde) 0%, #1e2613 100%);
}

.login-card {
  background: var(--crema);
  border-radius: 4px;
  padding: 40px 36px;
  width: 320px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
  border-top: 4px solid var(--dorado);
}

.login-card h1 {
  font-size: 1.3rem;
  margin: 0 0 4px;
  color: var(--verde);
}

.login-card p.sub {
  color: var(--texto-suave);
  font-size: 0.85rem;
  margin: 0 0 24px;
}

.login-card input[type="password"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--borde);
  border-radius: 3px;
  font-size: 0.95rem;
  margin-bottom: 14px;
  background: white;
}

.login-card button {
  width: 100%;
  padding: 10px;
  background: var(--verde);
  color: var(--crema);
  border: none;
  border-radius: 3px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
}

.login-card button:hover { background: var(--verde-claro); }

.login-error {
  color: var(--rojo);
  font-size: 0.85rem;
  margin-bottom: 14px;
}

/* --- Layout general --- */
.app {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 210px;
  background: var(--verde);
  color: var(--crema);
  flex-shrink: 0;
  padding: 22px 0;
  border-top: 4px solid var(--dorado);
}

.sidebar .brand {
  padding: 0 20px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  margin-bottom: 12px;
}

.sidebar .brand strong {
  display: block;
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.sidebar .brand span {
  display: block;
  font-size: 0.72rem;
  color: var(--dorado-claro);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
}

.sidebar nav a {
  display: block;
  padding: 11px 20px;
  font-size: 0.88rem;
  color: rgba(246,243,233,0.8);
  border-left: 3px solid transparent;
}

.sidebar nav a:hover {
  background: rgba(255,255,255,0.05);
  color: var(--crema);
}

.sidebar nav a.active {
  border-left-color: var(--dorado);
  background: rgba(255,255,255,0.08);
  color: var(--crema);
  font-weight: 600;
}

.sidebar .logout {
  margin-top: 30px;
  padding: 11px 20px;
  font-size: 0.8rem;
  color: rgba(246,243,233,0.55);
}

.sidebar .logout:hover { color: var(--crema); }

.main {
  flex: 1;
  padding: 28px 34px;
  max-width: 1100px;
}

.main h1 {
  font-size: 1.35rem;
  margin: 0 0 4px;
  color: var(--verde);
}

.main .subtitulo {
  color: var(--texto-suave);
  font-size: 0.85rem;
  margin-bottom: 24px;
}

/* --- Cards --- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}

.card {
  background: var(--carton);
  border: 1px solid var(--borde);
  border-radius: 4px;
  padding: 16px 18px;
}

.card .label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--texto-suave);
  margin-bottom: 6px;
}

.card .valor {
  font-family: var(--mono);
  font-size: 1.5rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.card.verde .valor { color: var(--verde-ok); }
.card.rojo .valor { color: var(--rojo); }
.card.dorado .valor { color: #8a6d2f; }

/* --- Tablas tipo libro de taller --- */
table.libro {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border: 1px solid var(--borde);
  border-radius: 4px;
  overflow: hidden;
  font-size: 0.88rem;
}

table.libro thead th {
  background: var(--verde);
  color: var(--crema);
  text-align: left;
  padding: 10px 14px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

table.libro tbody td {
  padding: 10px 14px;
  border-top: 1px solid var(--borde);
  vertical-align: top;
}

table.libro tbody tr:hover { background: #faf8f1; }

table.libro td.num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
  white-space: nowrap;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.72rem;
  font-weight: 600;
}

.badge.abierta { background: #e8dfc2; color: #7a5f1e; }
.badge.cerrada { background: #dbe6d3; color: var(--verde-ok); }
.badge.pendiente { background: #f2d9d2; color: var(--rojo); }
.badge.pagada { background: #dbe6d3; color: var(--verde-ok); }
.badge.alerta { background: #f2d9d2; color: var(--rojo); }

.filtros {
  margin-bottom: 14px;
  display: flex;
  gap: 8px;
}

.filtros a {
  padding: 6px 14px;
  border-radius: 3px;
  font-size: 0.82rem;
  background: var(--carton);
  border: 1px solid var(--borde);
}

.filtros a.active {
  background: var(--verde);
  color: var(--crema);
  border-color: var(--verde);
}

.link-pdf {
  color: var(--verde-claro);
  font-weight: 600;
  font-size: 0.82rem;
}

.vacio {
  color: var(--texto-suave);
  font-style: italic;
  padding: 30px;
  text-align: center;
  background: white;
  border: 1px dashed var(--borde);
  border-radius: 4px;
}

@media (max-width: 720px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; padding: 12px 0; }
  .sidebar nav { display: flex; overflow-x: auto; }
  .sidebar nav a { border-left: none; border-bottom: 3px solid transparent; white-space: nowrap; }
  .sidebar nav a.active { border-left: none; border-bottom-color: var(--dorado); }
  .sidebar .brand { border-bottom: none; margin-bottom: 4px; }
  .main { padding: 18px; }
  table.libro { font-size: 0.8rem; }
  table.libro thead { display: none; }
  table.libro tbody tr { display: block; border-top: 4px solid var(--borde); padding: 10px 0; }
  table.libro tbody td { display: flex; justify-content: space-between; border-top: none; padding: 4px 14px; }
  table.libro tbody td.num { text-align: right; }
  table.libro tbody td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--texto-suave);
    margin-right: 10px;
  }
}

/* --- Formulario nuevo presupuesto --- */
.btn-primario {
  padding: 11px 22px;
  background: var(--verde);
  color: var(--crema);
  border: none;
  border-radius: 3px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 18px;
}
.btn-primario:hover { background: var(--verde-claro); }

.btn-secundario {
  padding: 8px 16px;
  background: var(--carton);
  border: 1px solid var(--borde);
  border-radius: 3px;
  font-size: 0.85rem;
  cursor: pointer;
  margin-top: 6px;
}
.btn-secundario:hover { background: white; }

.form-error {
  background: #f2d9d2;
  color: var(--rojo);
  padding: 10px 14px;
  border-radius: 4px;
  margin-bottom: 16px;
  font-size: 0.88rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 18px;
}

.form-campo {
  display: flex;
  flex-direction: column;
  margin-bottom: 14px;
}

.form-campo label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--texto-suave);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.form-campo select,
.form-campo textarea,
.form-campo input,
.item-row input,
.item-row select {
  padding: 8px 10px;
  border: 1px solid var(--borde);
  border-radius: 3px;
  font-size: 0.9rem;
  background: white;
  font-family: var(--sans);
}

.form-campo textarea { resize: vertical; }

.bloque-nuevo {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
  padding: 10px;
  background: var(--carton);
  border-radius: 3px;
}

.items-titulo {
  font-size: 0.95rem;
  color: var(--verde);
  margin: 22px 0 10px;
}

.item-row {
  display: flex;
  gap: 8px;
  align-items: center;
  background: white;
  border: 1px solid var(--borde);
  border-radius: 4px;
  padding: 10px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.item-row .item-tipo { min-width: 140px; }

.item-campos {
  display: flex;
  gap: 8px;
  flex: 1;
  min-width: 260px;
}

.item-campos input { flex: 1; min-width: 90px; }

.btn-quitar-item {
  background: none;
  border: none;
  color: var(--rojo);
  font-size: 1rem;
  cursor: pointer;
  padding: 4px 8px;
}

.subtotal-preview {
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--carton);
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.95rem;
}

@media (max-width: 720px) {
  .form-grid { grid-template-columns: 1fr; }
  .item-row { flex-direction: column; align-items: stretch; }
  .item-campos { flex-direction: column; }
}

/* --- Botones de envío WhatsApp/Email en tablas --- */
.acciones-envio {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.btn-envio {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 3px;
  font-size: 0.76rem;
  font-weight: 600;
  color: white;
}

.btn-envio.wa { background: #2e7d32; }
.btn-envio.wa:hover { background: #256428; }
.btn-envio.email { background: var(--dorado); color: var(--verde); }
.btn-envio.email:hover { background: var(--dorado-claro); }

.sin-datos {
  font-size: 0.76rem;
  color: var(--texto-suave);
  font-style: italic;
}

/* --- Modo terreno / offline --- */
.estado-conexion {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 18px;
}

.estado-conexion.online {
  background: #dbe6d3;
  color: var(--verde-ok);
}

.estado-conexion.offline {
  background: #f2d9d2;
  color: var(--rojo);
}