:root {
  --bg: #F5F5F5;        
  --text: #222222;      
  --accent: #D82828;    
  --muted: #888888;     
  --border: #DDDDDD;    
  --blue-main: #1C50A4; 
  --blue-dark: #0F3A79; 
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

header {
  width: 100%;
  background: var(--blue-main);
  border-bottom: 1px solid var(--blue-dark);
  position: fixed;
  top: 0;
  z-index: 100;
  padding: 0.8rem 0;
}

nav {
  width: 90%;
  max-width: 1200px;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo a {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.2rem;
}

.menu {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.menu li a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: 0.3s;
}

.menu li a:hover {
  color: var(--accent);
}

body {
  background: #0051ff;
  background: linear-gradient(90deg, rgba(0, 81, 255, 0.52) 0%, rgba(255, 0, 0, 0.51) 100%);
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem 1rem;
  text-align: center;
}

.buscador-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.buscador-form input {
  padding: 0.5rem;
  width: 250px;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
}

.buscador-form button {
  padding: 0.5rem 1rem;
  border-radius: 5px;
  border: none;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  transition: 0.2s;
  font-weight: 600;
}

.buscador-form button:hover {
  background: #b31f1f;
}

.resultados-table {
  width: 90%;
  max-width: 700px;
  margin: 2rem auto;
  border-collapse: collapse;
  text-align: center;
  color: var(--text);
}

.resultados-table th,
.resultados-table td {
  border: 1px solid var(--border);
  padding: 0.8rem;
}

.resultados-table th {
  background: var(--blue-main);
  color: #fff;
}

.resultados-table td {
  background: #fff;
}

footer {
  background: var(--blue-dark);
  color: #fff;
  padding: 1.5rem 0;
  font-size: 0.9rem;
  text-align: center;
  border-top: 1px solid var(--blue-main);
  width: 100%;
  margin-top: auto;
}

.modal {
  display: none;
  position: fixed;
  top:0; left:0;
  width:100%; height:100%;
  background: rgba(0,0,0,0.5);
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-content {
  background: #fff;
  padding: 2rem;
  border-radius: 12px;
  width: 90%;
  max-width: 450px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
  box-shadow: 0 0 15px rgba(0,0,0,0.2);
}

.modal-content input,
.modal-content select,
.modal-content button {
  width: 90%;
  padding: 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  display: block;
}

.modal-content button {
  background: var(--accent);
  color: #fff;
  font-weight: bold;
  margin-top: 1rem;
  cursor: pointer;
  transition: 0.2s;
}

.modal-content button:hover {
  background: #b31f1f;
}

@media(max-width:768px){
  .buscador-form input { width: 180px; }
}

@media(max-width:480px){
  .buscador-form input { width: 140px; }
  .resultados-table th, .resultados-table td { padding: 0.5rem; font-size: 0.8rem; }
}