/* Estilo general y fuente */
body {
    background-color: #0d1117;
    color: #58a6ff;
    font-family: 'Fira Code', monospace;
    font-size: 16px;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
}

/* Contenedor principal del terminal */
.terminal {
    width: 100%;
    max-width: 800px;
    background-color: #010409;
    border: 1px solid #30363d;
    border-radius: 6px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

/* Encabezado y pie de página */
header, footer {
    padding: 10px 15px;
    background-color: #161b22;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #30363d;
}

footer {
    border-top: 1px solid #30363d;
    border-bottom: none;
    font-size: 0.8em;
    color: #8b949e;
}

/* Área de contenido principal */
main {
    padding: 20px;
    line-height: 1.6;
}

.prompt, .linea {
    display: flex;
    align-items: center;
}

.prompt > span:first-child {
    color: #a371f7;
    font-weight: bold;
}

.prompt > span:last-child {
    color: #c9d1d9;
    margin-left: 8px;
}

/* Cursor parpadeante */
.cursor {
    display: inline-block;
    width: 8px;
    height: 1.2em;
    background-color: #58a6ff;
    margin-left: 8px;
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    from, to { background-color: transparent; }
    50% { background-color: #58a6ff; }
}

/* Estilo para la caja de efeméride */
.efemeride-box {
    border: 1px solid #30363d;
    padding: 15px;
    margin-top: 20px;
    border-radius: 6px;
    background-color: #0d1117;
}

.efemeride-box h2 {
    font-size: 1.1em;
    color: #58a6ff;
    margin: 0 0 10px 0;
}

.efemeride-box p {
    margin: 0 0 20px 0;
    color: #c9d1d9;
}

.status-ok {
    color: #3fb950;
    font-weight: bold;
    margin-left: 8px;
}

.linea-ok::before {
    content: "●";
    color: #3fb950;
    margin-right: 10px;
}

.btn-volver-inicio {
    display: inline-block;
    background: #222;
    color: #fff;
    padding: 0.75rem 2rem;
    border-radius: 2rem;
    text-decoration: none;
    font-family: 'Fira Code', monospace;
    font-size: 1.1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transition: background 0.2s, color 0.2s;
}

.btn-volver-inicio:hover {
    background: #444;
}