/* ===== RESET BÁSICO ===== */
* {
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

/* ===== FONDO GENERAL ===== */
body {
    margin: 0;
    background: #e0f7fa; /* celeste veraniego */
    color: #333;
}

/* ===== CONTENEDOR ===== */
.container {
    width: 90%;
    max-width: 900px;
    margin: 40px auto;
    background: #ffffff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

/* ===== TÍTULOS ===== */
h1, h2 {
    color: #00796b; /* turquesa */
}

/* ===== INPUTS ===== */
input, select {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    margin-bottom: 15px;
    border-radius: 6px;
    border: 1px solid #ccc;
}

/* ===== BOTONES ===== */
button {
    background: #26c6da;
    color: white;
    border: none;
    padding: 12px 18px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 15px;
}

button:hover {
    background: #00acc1;
}

/* ===== LINKS ===== */
a {
    text-decoration: none;
    color: #00796b;
    font-weight: bold;
}


/* ===== MENÚ ===== */
.menu {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.menu a {
    background: #26c6da;
    color: white;
    padding: 15px;
    border-radius: 10px;
    text-align: center;
    font-size: 16px;
    box-shadow: 0 5px 10px rgba(0,0,0,0.15);
}

.menu a:hover {
    background: #00acc1;
}
.btn-volver {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 18px;
    background-color: #6c757d; /* gris elegante */
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.btn-volver:hover {
    background-color: #495057;
}