:root {
    --primary-color: #7c3aed; /* Morado */
    --secondary-color: #475569; /* Gris azulado */
    --success-color: #06b6d4; /* Aqua */
    --bg-body: #f5f3ff; /* Fondo lila muy claro */
    --text-main: #111827; /* Texto oscuro */
    --shadow: 0 12px 20px -6px rgba(17, 24, 39, 0.18);
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 40px 20px;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    background-color: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(124, 58, 237, 0.10);
}

h1 {
    font-size: 2rem;
    font-weight: 800;
    text-align: center;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

h2 {
    font-size: 1.2rem;
    color: var(--secondary-color);
    text-align: center;
    margin-bottom: 30px;
    font-weight: 400;
}

/* Estilizado del Select */
select {
    display: block;
    margin: 0 auto 40px auto;
    padding: 12px 16px;
    font-size: 16px;
    border: 2px solid rgba(124, 58, 237, 0.18);
    border-radius: 10px;
    background-color: #ffffff;
    color: var(--text-main);
    transition: all 0.3s ease;
    width: 100%;
    max-width: 600px;
    outline: none;
    cursor: pointer;
}

select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.18);
}

/* Tabla Moderna */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 20px;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid rgba(124, 58, 237, 0.16);
    background: #ffffff;
}

th {
    background-color: #ede9fe; /* lila */
    color: #4c1d95; /* morado oscuro */
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    padding: 15px;
    text-align: left;
    border-bottom: 2px solid rgba(124, 58, 237, 0.18);
}

td {
    padding: 14px 15px;
    border-bottom: 1px solid rgba(124, 58, 237, 0.10);
    font-size: 0.95rem;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background-color: rgba(6, 182, 212, 0.10); /* aqua suave */
    color: #0f172a;
}

/* Estados de carga y error */
.resultado {
    margin-top: 30px;
    animation: fadeIn 0.5s ease;
}

.cargando {
    text-align: center;
    color: var(--success-color);
    font-weight: 700;
    padding: 20px;
}

.error {
    color: #7f1d1d;
    background-color: #fff1f2;
    padding: 15px;
    border-radius: 10px;
    border: 1px solid #fecdd3;
    text-align: center;
    font-weight: 600;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}