/* Base */
body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #0a2a33, #001f29);
  color: #e0e0e0;
  margin: 0;
  padding: 0;
}

/* Contenedor */
.container {
  max-width: 1200px;
  margin: auto;
  padding: 20px;
}

/* Header */
header {
  text-align: center;
  margin-bottom: 30px;
}
header h1 {
  font-size: 2.5rem;
  color: #00b7c2;
  text-transform: uppercase;
  letter-spacing: 2px;
}
header p {
  color: #7fa99b;
  font-weight: 500;
}

/* Botones */
button {
  background: #004d61;
  color: #fff;
  border: 2px solid #00b7c2;
  padding: 10px 20px;
  margin: 5px;
  font-weight: bold;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s ease;
}
button:hover {
  background: #00b7c2;
  color: #001f29;
  box-shadow: 0 0 10px #00b7c2;
}

/* Inputs y selects */
input, select {
  background: #1c1c1c;
  border: 2px solid #004d61;
  color: #e0e0e0;
  padding: 8px;
  margin: 5px;
  width: 200px;
}
input:focus, select:focus {
  border-color: #00b7c2;
  outline: none;
  box-shadow: 0 0 5px #00b7c2;
}

/* Controles */
.controls {
  background: rgba(0, 77, 97, 0.2);
  border: 2px solid #004d61;
  padding: 20px;
  border-radius: 8px;
  margin-top: 20px;
}
.controls label {
  display: block;
  margin-top: 10px;
  color: #7fa99b;
  font-weight: bold;
}

/* Secciones de resultados */
.kpi-grid {
  background: #0a2a33;
  border: 2px solid #00b7c2;
  padding: 20px;
  border-radius: 8px;
  color: #e0e0e0;
  margin-top: 20px;
}

/* Tablas */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}
table th, table td {
  border: 1px solid #004d61;
  padding: 8px;
  text-align: left;
}
table th {
  background: #004d61;
  color: #00b7c2;
  text-transform: uppercase;
}
table tr:nth-child(even) {
  background: rgba(0, 77, 97, 0.2);
}
table tr:hover {
  background: rgba(0, 183, 194, 0.2);
}

/* Estado */
.status {
  margin-top: 20px;
  font-weight: bold;
  color: #7fa99b;
  text-align: center;
}