body {
    margin: 0;
    padding: 0;
    font-family: 'Open Sans', sans-serif;
    background: #f9f9f9;
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background: #660000;
    color: white;
    padding: 1em 2em;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 0;
    left: 250px;
    right: 0;
    z-index: 998;
    /* height: 100px;*/
    right: 0;
}

.logo {
    height: 60px;
    width: auto;
}

header h1 {
    /*margin-left: 270px;*/
    margin: 0;
    font-size: 2em;
    font-style: italic;
    padding-left: 2em;
}

header img {
    height: 60px;
}

nav ul {
    list-style: none;
    margin: 1em 0;
    padding: 0;
}
nav ul li {
    margin-bottom: 0.5em;
}
nav ul li a {
    color: #660000;
    text-decoration: none;
    font-weight: 600;
}

.toggle-btn {
    margin: 1em 1em 1em 2em;
    padding: 0.5em 1em;
    font-size: 0.9em;
}

/* Shift main content to the right to make room for sidebar */
main {
    margin-left: 270px; /* 250px + padding */
    padding: 2em;
    max-width: 1100px;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-top: 100px;
    margin-left: 270px; /* to clear the sidebar */
    padding: 6em 2em 2em; /* top padding gives space below fixed header */
    flex: 1;
}

section {
    scroll-margin-top: 100px; /* matches your header height */
    margin-top: 2em;
}

h2 {
    color: #660000;
    border-bottom: 2px solid #660000;
    padding-bottom: 0.3em;
    text-align: center;
}

h3 {
    color: #660000;
    padding-bottom: 0.3em;
    text-align: center;
}

p {
    line-height: 1.6;
    margin: 1em 0;
    text-align: justify;
    text-indent: 2em;
    scroll-margin-top: 100px;
}

.tooltip {
    position: relative;
    cursor: pointer;
    border-bottom: 1px dashed #999;
    /*position: relative;
  display: inline-block;
  cursor: pointer;*/
  scroll-margin-top: 100px;

}

.tooltiptext {
    visibility: hidden;
    width: max-content;
    max-width: 300px;
    background-color: black;
    color: #fff;
    text-align: left;
    padding: 0.5em;
    border-radius: 6px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 10%;
    transform: translateX(-50%);
    margin: 0;
    white-space: normal;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

.note {
    color: #E94E77;
    font-weight: bold;
}

.tooltip.note {
    font-weight: bold;
    font-size: 0.7em;
    vertical-align: super;
    text-decoration: none;
    color: inherit;
    position: relative;
    cursor: pointer;
}

/* Aparato crítico */

#apparatus p {
    color: #3b2f2f; /* Replace with the color of your header text */
    font-style: normal;
}

#apparatus p {
    color: #3b2f2f;
    font-size: 0.95em;
    margin-left: 1em;
}

a.tooltip.crit-app,
#apparatus a {
    color: #D2691E; /* or match your header text color */
    text-decoration: none;
    font-weight: bold;
    scroll-margin-top: 100px;
}

a.tooltip.crit-app:hover,
#apparatus a:hover {
    text-decoration: underline;
    color: #5a4444; /* slightly lighter on hover */
}


/* --- SIDEBAR STYLING --- */
#sidebar {
    width: 250px;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    padding: 1.5em 1em;
    background-color: #f4f4f4;
    overflow-y: auto;
    border-right: 1px solid #ccc;
    z-index: 999;
}

/* Style nav list inside sidebar */
#sidebar nav ul {
    padding-left: 0;
    list-style: none;
}
#sidebar nav ul li {
    margin-bottom: 1em;
}
#sidebar nav ul li a {
    color: #660000;
    text-decoration: none;
    font-weight: bold;
}

/* Style the toggle buttons in the sidebar */
#sidebar .toggle-btn {
    display: block;
    width: 100%;
    margin: 1em 0;
    padding: 0.5em;
    font-size: 0.9em;
}

footer {
    background-color: #660000;
    color: white;
    text-align: center;
    padding: 1em 2em;
    margin-left: 270px; /* matches sidebar width */
    font-size: 0.85em;
}
footer a {
    color: #ffd700; /* gold/yellow contrast */
    text-decoration: none;
}
footer a:hover {
    text-decoration: underline;
}


/* --- RESPONSIVE DESIGN --- */
@media (max-width : 768px) {
    #sidebar {
        position: relative;
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid #ccc;
    }
    main {
        margin-left: 0;
    }

    #sidebar .toggle-btn {
        width: auto;
    }
}


@media (max-width : 768px) {
    footer {
        margin-left: 0;
    }
}

@media (max-width : 768px) {
    main {
        width: 100%;
        margin-left: 0;
        padding: 1em;
    }
}