* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: monospace;
    background: #0d1117;
    color: #c9d1d9;
    min-height: 100vh;
}

nav {
    background: #161b22;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    border-bottom: 1px solid #30363d;
}

nav .logo { color: #58a6ff; font-weight: bold; font-size: 1.1rem; margin-right: auto; }
nav a { color: #8b949e; text-decoration: none; }
nav a:hover { color: #58a6ff; }

main { padding: 2rem; max-width: 1000px; margin: 0 auto; }
h1 { color: #58a6ff; margin-bottom: 1rem; }

/* --- Fisica USC --- */
.migas {
    margin-bottom: 2rem;
    color: #8b949e;
    font-size: 0.9rem;
}
.migas a { color: #58a6ff; text-decoration: none; }
.migas a:hover { text-decoration: underline; }

.seccion { margin-bottom: 2rem; }
.seccion h2 { color: #8b949e; font-size: 0.9rem; margin-bottom: 1rem;
              text-transform: uppercase; letter-spacing: 1px; }

.grid-archivos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}

.tarjeta-archivo {
    background: #161b22;
    border: 1px solid #30363d;
    border-radius: 8px;
    padding: 1.2rem;
    text-decoration: none;
    color: #c9d1d9;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    transition: border-color 0.2s;
}
.tarjeta-archivo:hover { border-color: #58a6ff; }
.tarjeta-archivo.carpeta:hover { border-color: #d29922; }

.archivo-icono { font-size: 2rem; }
.archivo-nombre { font-size: 0.8rem; text-align: center; word-break: break-word; }

/* --- Monitor --- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.tarjeta {
    background: #161b22;
    border: 1px solid #30363d;
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
}

.icono { font-size: 2rem; margin-bottom: 0.5rem; }
.etiqueta { color: #8b949e; font-size: 0.85rem; margin-bottom: 0.5rem; }

.valor { font-size: 2rem; font-weight: bold; margin-bottom: 1rem; }
.valor.frio   { color: #3fb950; }   /* verde */
.valor.tibio  { color: #d29922; }   /* amarillo */
.valor.caliente { color: #f85149; } /* rojo */

.barra-contenedor {
    background: #21262d;
    border-radius: 4px;
    height: 6px;
    margin-bottom: 0.5rem;
}
.barra {
    background: #58a6ff;
    height: 6px;
    border-radius: 4px;
    transition: width 0.3s ease;
    max-width: 100%;
}
.subtexto { color: #8b949e; font-size: 0.8rem; }