/* Autonomous Systems @ SJSU — site styles
   Palette: SJSU Blue #0055A2, SJSU Gold #E5A823, Black #2E2D29 */

:root {
    --sjsu-blue: #0055A2;
    --sjsu-blue-dark: #003C71;
    --sjsu-gold: #E5A823;
    --sjsu-gold-dark: #C99A00;
    --ink: #2E2D29;
    --muted: #6b6b6b;
    --rule: #d8d8d8;
    --bg: #ffffff;
    --bg-soft: #f5f5f3;
    --content-max: 1100px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg-soft);
    color: var(--ink);
    font-family: "Times New Roman", Times, serif;
    font-size: 17px;
    line-height: 1.55;
}

a {
    color: var(--sjsu-blue);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color .15s ease, border-color .15s ease;
}
a:hover {
    color: var(--sjsu-gold-dark);
    border-bottom-color: var(--sjsu-gold);
}

/* ---------- Header ---------- */
.site-header {
    background: var(--sjsu-blue);
    color: #fff;
    border-bottom: 4px solid var(--sjsu-gold);
}
.site-header .header-inner {
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 22px 28px 18px;
    display: flex;
    align-items: center;
    gap: 24px;
}
.site-header .brand-mark {
    font-family: "Times New Roman", Times, serif;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--sjsu-gold);
    border-right: 1px solid rgba(255,255,255,0.35);
    padding-right: 22px;
    line-height: 1.2;
}
.site-header .brand-mark span {
    display: block;
    color: #fff;
    font-size: 11px;
    letter-spacing: 0.16em;
    margin-top: 2px;
}
.site-header .titles h1 {
    margin: 0;
    font-size: 26px;
    font-weight: 600;
    letter-spacing: 0.01em;
}
.site-header .titles h1 a {
    color: #fff;
    border: none;
}
.site-header .titles h1 a:hover { color: var(--sjsu-gold); }
.site-header .titles .pi {
    margin-top: 4px;
    font-size: 14px;
    opacity: 0.9;
}
.site-header .titles .pi a { color: #fff; border-bottom-color: rgba(255,255,255,0.4); }

/* ---------- Navigation ---------- */
.site-nav {
    background: #fff;
    border-bottom: 1px solid var(--rule);
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: 0 1px 0 rgba(0,0,0,0.02);
}
.site-nav ul {
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 0 28px;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0;
}
.site-nav li { margin: 0; }
.site-nav a {
    display: block;
    padding: 14px 16px;
    color: var(--ink);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-bottom: 3px solid transparent;
    border-top: 0;
    border-left: 0;
    border-right: 0;
}
.site-nav a:hover {
    color: var(--sjsu-blue);
    border-bottom-color: var(--sjsu-gold);
}
.site-nav a.active {
    color: var(--sjsu-blue);
    border-bottom-color: var(--sjsu-blue);
}

/* ---------- Main content ---------- */
main {
    max-width: var(--content-max);
    margin: 0 auto 48px;
    background: #fff;
    padding: 36px 44px 44px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}

h2 {
    color: var(--sjsu-blue);
    font-size: 22px;
    font-weight: 600;
    margin: 32px 0 12px;
    padding-bottom: 6px;
    border-bottom: 2px solid var(--sjsu-gold);
}
h2:first-child { margin-top: 0; }

h3 {
    color: var(--ink);
    font-size: 17px;
    font-weight: 600;
    margin: 22px 0 8px;
}

p { margin: 0 0 14px; }

ul, ol { padding-left: 22px; }
li { margin-bottom: 8px; }

hr {
    border: none;
    border-top: 1px solid var(--rule);
    margin: 28px 0;
}

strong { font-weight: 600; }

/* ---------- Profile block ---------- */
.profile {
    display: flex;
    gap: 28px;
    align-items: flex-start;
    margin-bottom: 12px;
}
.profile img {
    width: 200px;
    height: auto;
    border: 1px solid var(--rule);
    border-top: 4px solid var(--sjsu-gold);
}
.profile .meta { flex: 1; min-width: 0; }
.profile .meta h2 {
    margin-top: 0;
    margin-bottom: 6px;
    border: none;
    padding: 0;
    font-size: 26px;
}
.profile .meta .role {
    color: var(--muted);
    font-size: 15px;
    margin-bottom: 14px;
}
.profile .meta .role .institution { color: var(--sjsu-blue); font-weight: 600; }
.profile .meta .contact { font-size: 14px; line-height: 1.7; }
.profile .meta .contact .label {
    display: inline-block;
    width: 70px;
    color: var(--muted);
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.08em;
}

/* ---------- Cards / callouts ---------- */
.lab-tag {
    display: inline-block;
    background: var(--sjsu-gold);
    color: var(--sjsu-blue-dark);
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.callout {
    background: var(--bg-soft);
    border-left: 4px solid var(--sjsu-gold);
    padding: 14px 18px;
    margin: 18px 0;
}

.placeholder {
    color: var(--muted);
    font-style: italic;
    background: var(--bg-soft);
    border: 1px dashed var(--rule);
    padding: 18px 22px;
    margin: 14px 0;
}

/* ---------- Publications list ---------- */
.pub-list { list-style: none; padding-left: 0; }
.pub-list li {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    padding: 14px 0;
    border-bottom: 1px solid var(--rule);
    margin-bottom: 0;
}
.pub-list li:last-child { border-bottom: none; }
.pub-preview {
    flex-shrink: 0;
    width: 110px;
    height: 80px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-soft);
    border: 1px solid var(--rule);
}
.pub-preview img {
    max-width: 100%;
    max-height: 100%;
    display: block;
}
.pub-preview.empty {
    background: transparent;
    border: none;
}
.pub-body { flex: 1; min-width: 0; }
@media (max-width: 600px) {
    .pub-preview { width: 80px; height: 60px; }
}
.pub-status {
    display: inline-block;
    background: var(--sjsu-blue);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 2px 8px;
    margin-right: 8px;
    vertical-align: 1px;
}
.pub-status.accepted { background: var(--sjsu-gold-dark); }
.pub-title { font-weight: 600; }
.pub-venue { color: var(--muted); font-size: 14px; display: block; margin-top: 2px; }

/* ---------- Student list ---------- */
.student-list {
    list-style: none;
    padding-left: 0;
    margin: 12px 0 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 32px;
}
.student-list > li {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    padding: 14px 0;
    border-bottom: 1px solid var(--rule);
    margin-bottom: 0;
}
.student-list > li:last-child { border-bottom: 1px solid var(--rule); }
@media (max-width: 720px) {
    .student-list { grid-template-columns: 1fr; gap: 0; }
    .student-list > li:last-child { border-bottom: none; }
}
.student-list img {
    width: 110px;
    height: 110px;
    object-fit: cover;
    border: 1px solid var(--rule);
    flex-shrink: 0;
}
.student-list .student-info { font-size: 14px; line-height: 1.6; }
.student-list .student-info .name {
    font-weight: 600;
    color: var(--sjsu-blue);
    font-size: 16px;
}
.student-list .student-info .label {
    color: var(--muted);
    font-weight: 600;
}

/* ---------- Footer ---------- */
.site-footer {
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 18px 44px 32px;
    color: var(--muted);
    font-size: 12px;
    text-align: center;
}

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
    .site-header .header-inner { flex-direction: column; align-items: flex-start; gap: 12px; padding: 18px 20px; }
    .site-header .brand-mark { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.3); padding: 0 0 10px; }
    .site-nav ul { padding: 0 12px; }
    .site-nav a { padding: 12px 10px; font-size: 12px; letter-spacing: 0.04em; }
    main { padding: 24px 20px; margin-bottom: 24px; }
    .profile { flex-direction: column; gap: 18px; }
    .profile img { width: 160px; }
}