:root {
    --bg: #0a0d18;
    --panel: #0e1222;
    --surface: #121833;
    --text: #eaf0ff;
    --muted: #9bacd6;
    --link: #a9c7ff;
    --accent: #8bd3ff;
    --border: #1f294a;
    --sidebar-w: 280px;
}
* {
    box-sizing: border-box;
}
html,
body {
    margin: 0;
    padding: 0;
}
body {
    background:
        radial-gradient(
            900px 500px at -10% -10%,
            #15204a 0%,
            rgba(0, 0, 0, 0) 60%
        ),
        radial-gradient(
            700px 500px at 110% -20%,
            #1a1240 0%,
            rgba(0, 0, 0, 0) 60%
        ),
        var(--bg);
    color: var(--text);
    font:
        16px/1.6 Inter,
        system-ui,
        -apple-system,
        "Segoe UI",
        Roboto,
        Arial,
        sans-serif;
}
a {
    color: var(--link);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-w);
    padding: 24px;
    background: rgba(14, 18, 34, 0.8);
    border-right: 1px solid var(--border);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
}
.sidebar .avatar {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border);
}
.sidebar .tagline {
    margin-top: -8px;
    color: var(--muted);
}
.sidebar .meta {
    color: var(--muted);
    margin: 0;
}
.sidebar .links a {
    display: inline-block;
    margin-right: 10px;
    margin-top: 6px;
}
.sidebar .nav {
    margin-top: 12px;
}
.sidebar .nav a {
    display: block;
    padding: 6px 0;
    color: var(--muted);
}
.sidebar footer {
    margin-top: auto;
    color: var(--muted);
    font-size: 12px;
}

.content {
    margin-left: var(--sidebar-w);
    padding: 28px;
    max-width: 1100px;
}
.content.narrow {
    max-width: 780px;
}
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px 22px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    margin-bottom: 18px;
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}
.tile {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
}
.tile img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
    border-bottom: 1px solid var(--border);
}
.tile h3 {
    margin: 14px 14px 6px;
}
.tile p {
    margin: 0 14px 12px;
}
.small {
    font-size: 13px;
    color: var(--muted);
}
.bullets {
    columns: 2;
    column-gap: 24px;
}
.bullets li {
    break-inside: avoid;
    margin-bottom: 6px;
}
.bullets.muted {
    color: var(--muted);
}
h1,
h2,
h3 {
    line-height: 1.2;
}
h1 {
    font-size: 2rem;
}
h2 {
    font-size: 1.5rem;
}
h3 {
    font-size: 1.15rem;
}
.muted {
    color: var(--muted);
}
.subpage .back {
    position: fixed;
    left: 12px;
    top: 12px;
    background: var(--panel);
    border: 1px solid var(--border);
    padding: 6px 10px;
    border-radius: 8px;
}
.btn {
    display: inline-block;
    padding: 8px 12px;
    background: var(--accent);
    color: #08101f;
    border-radius: 10px;
    margin-right: 8px;
}
.btn.ghost {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}
@media (max-width: 860px) {
    .sidebar {
        position: static;
        width: auto;
        border-right: none;
        flex-direction: row;
        align-items: center;
        gap: 12px;
    }
    .sidebar .nav {
        display: none;
    }
    .content {
        margin-left: 0;
    }
    .bullets {
        columns: 1;
    }
}

/* University logo in the sidebar */
.sidebar .uni-logo {
    margin-top: auto;
    margin-bottom: 12px;
    align-self: center;
}
.sidebar .uni-logo img {
    max-width: 160px; /* adjust to taste */
    height: auto;
    display: block;
    opacity: 0.45; /* soften against dark bg */
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.35));
}
@media (max-width: 860px) {
    /* On small screens the sidebar becomes a top bar; hide the big logo */
    .sidebar .uni-logo {
        display: none;
    }
}

/* Right-side decorative galaxy background */
.bg-galaxy {
    position: fixed;
    /* top | right | bottom | left */
    inset: 0 0 0 var(--sidebar-w); /* left edge = sidebar width */

    background-image: url("/assets/img/galaxy.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 60% center;

    /* brighten + slight pop */
    filter: none /*brightness(1.55) contrast(1.06) saturate(1.08)*/;

    /* a bit more visible than before */
    opacity: 0.7;

    pointer-events: none;
    z-index: 0;
}

/* Soft fade on the left edge so it blends into the page */
.bg-galaxy::before {
    content: "";
    position: absolute;
    inset: 0;
    /* dark-to-transparent fade from the left side of the strip */
    background: linear-gradient(
        to left,
        rgba(10, 13, 24, 0) 0%,
        rgba(10, 13, 24, 0.4) 40%,
        rgba(10, 13, 24, 0.7) 70%
    );
}

/* ensure layers are correct */
.content {
    position: relative;
    z-index: 1;
}
.sidebar {
    position: fixed;
    z-index: 2;
}

@media (max-width: 1100px) {
    .bg-galaxy {
        width: 44vw;
        opacity: 0.38;
    }
}
@media (max-width: 860px) {
    .bg-galaxy {
        display: none;
    } /* optional on phones */
}