/* =========================================================
   Translational Bioinformatics Lab — Custom Styles
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@700&display=swap');

:root {
    --header-min-height: 140px;
    --nav-bg:     #1c1c1c;
    --nav-active: #e07820;
    --art-width:  280px;
    --blue-dark:  #0b1f3a;
    --blue-mid:   #174a7c;
    --content-bg: #ffffff;
}

/* ---- Reset / Global ---- */
body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #e8eef4;
}

a { text-decoration: none; }

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
    position: relative;
    line-height: 0;          /* removes gap beneath the img element */
    background: var(--blue-dark);
}

.header-bg-img {
    width: 100%;
    height: auto;
    display: block;
}

.header-inner {
    position: absolute;
    inset: 0;
    z-index: 1;
    line-height: normal;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-title-block h1 {
    margin: 0;
    color: #ffffff;
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(1.9rem, 4.5vw, 3.8rem);
    font-weight: 700;
    letter-spacing: 0.04em;
    line-height: 1.1;
    text-shadow: 0 2px 14px rgba(0,0,0,0.85);
    text-align: center;
}

/* =========================================================
   NAVIGATION
   ========================================================= */
.site-nav {
    background: var(--nav-bg);
    border-top: 2px solid var(--nav-active);
    border-bottom: 2px solid var(--nav-active);
}

.site-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.site-nav li a {
    display: block;
    color: #e0e0e0;
    font-size: 1.3rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    padding: 13px 26px;
    transition: color 0.15s, background 0.15s;
}
.site-nav li a:hover {
    color: #ffffff;
    background: rgba(255,255,255,0.08);
}
.site-nav li a.active {
    color: var(--nav-active);
}

/* =========================================================
   MAIN LAYOUT  (left art + content)
   ========================================================= */
.page-body {
    display: flex;
    align-items: stretch;
    min-height: 70vh;
}

/* ---- Left art strip ---- */
.left-art {
    width: var(--art-width);
    flex-shrink: 0;
    align-self: stretch;
    background: url('../img/left_panel2.png') top center / 100% auto no-repeat;
    background-color: var(--content-bg);
}

/* ---- Content area ---- */
.content-area {
    flex: 1;
    min-width: 0;
    background: var(--content-bg);
    padding: 28px 36px 40px;
    border-left: 1px solid #c8d8e8;
}

/* =========================================================
   CONTENT TYPOGRAPHY
   ========================================================= */
.content-area h2.section-title {
    color: var(--blue-mid);
    font-size: 1.55rem;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 2px solid #d0dce8;
}

.content-area p.lead-text {
    color: #444;
    font-size: 0.92rem;
    line-height: 1.65;
    margin-bottom: 20px;
}

/* Sub-sections */
.sub-section {
    margin-bottom: 28px;
}
.sub-section h3 {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #2c2c2c;
    margin-bottom: 8px;
}
.sub-section p {
    font-size: 0.88rem;
    color: #444;
    line-height: 1.65;
    margin: 0;
}

/* Placeholder content blocks */
.placeholder-block {
    background: #f0f4f8;
    border: 1px dashed #a0b4c8;
    border-radius: 6px;
    padding: 30px 24px;
    text-align: center;
    color: #6a88a0;
    font-size: 0.92rem;
    margin-bottom: 20px;
}
.placeholder-block .placeholder-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 10px;
    opacity: 0.4;
}

/* =========================================================
   PEOPLE PAGE
   ========================================================= */
.person-card {
    flex: 0 0 calc(25% - 12px);
    min-width: 140px;
    text-align: center;
}
.person-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    display: block;
    margin: 0 auto 10px;
    border: 3px solid #d0dce8;
}
.person-name {
    font-size: 0.88rem;
    font-weight: 700;
    color: #1c1c1c;
    margin-bottom: 2px;
}
.person-role {
    font-size: 0.78rem;
    color: #5a7a9a;
}
@media (max-width: 768px) {
    .person-card { flex: 0 0 calc(50% - 10px); }
}
@media (max-width: 480px) {
    .person-card { flex: 0 0 100%; }
}

.people-group-label {
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--blue-mid);
    margin: 24px 0 12px;
    padding-bottom: 4px;
    border-bottom: 1px solid #d0dce8;
}

.people-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 10px;
}
.person-card {
    flex: 0 0 calc(33% - 10px);
    min-width: 160px;
}
@media (max-width: 600px) {
    .person-card { flex: 0 0 100%; }
}

/* =========================================================
   PUBLICATION PAGE
   ========================================================= */
.pub-year-group { margin-bottom: 24px; }
.pub-year {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--blue-mid);
    margin-bottom: 8px;
}
.pub-list {
    list-style: decimal;
    padding-left: 28px;
}
.pub-entry {
    margin-bottom: 10px;
    font-size: 0.88rem;
    line-height: 1.6;
    color: #333;
    padding-left: 4px;
}
a.pub-link {
    color: var(--blue-mid);
    text-decoration: none;
    border-bottom: 1px solid #b0c8e0;
    transition: color 0.15s, border-color 0.15s;
}
a.pub-link:hover {
    color: var(--nav-active);
    border-bottom-color: var(--nav-active);
}

/* =========================================================
   RESEARCH PAGE
   ========================================================= */
.research-section {
    margin-bottom: 36px;
    overflow: hidden;
}
.research-img {
    float: right;
    width: 280px;
    margin: 0 0 12px 24px;
    border: 1px solid #d8e4ee;
    border-radius: 4px;
}
.research-img img {
    width: 100%;
    display: block;
}
.research-img figcaption {
    font-size: 0.72rem;
    color: #888;
    text-align: center;
    padding: 4px 6px;
    background: #f7fafc;
    border-top: 1px solid #d8e4ee;
}
@media (max-width: 768px) {
    .research-img {
        float: none;
        width: 100%;
        margin: 0 0 14px 0;
    }
}

/* =========================================================
   SOFTWARE PAGE
   ========================================================= */
.software-entry {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 18px 0;
    border-bottom: 1px solid #e8eef4;
}
.software-entry:last-child {
    border-bottom: none;
}
.software-logo {
    flex: 0 0 120px;
    text-align: center;
}
.software-logo img {
    width: 120px;
    height: 80px;
    object-fit: contain;
    border-radius: 4px;
}
.software-body {
    flex: 1;
    min-width: 0;
}
.software-name {
    font-size: 0.92rem;
    margin-bottom: 6px;
    color: #222;
}
.software-desc {
    font-size: 0.86rem;
    color: #555;
    line-height: 1.6;
    margin-bottom: 8px;
}

/* =========================================================
   TEACHING PAGE
   ========================================================= */
.lecture-list {
    margin-bottom: 12px;
}
.lecture-entry {
    padding: 7px 0;
    border-bottom: 1px solid #eef2f6;
    font-size: 0.90rem;
    color: #333;
    line-height: 1.5;
}
.lecture-entry:last-child {
    border-bottom: none;
}
.lecture-num {
    font-weight: 700;
    color: var(--blue-mid);
    margin-right: 4px;
}
.lecture-refs {
    display: block;
    padding-left: 1.6em;
    font-size: 0.85rem;
    color: #666;
    margin-top: 2px;
}

/* =========================================================
   CONTACTS PAGE
   ========================================================= */
.profile-link-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
}
.profile-link {
    font-size: 0.92rem;
    font-weight: 600;
}

.contact-label {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--blue-mid);
    margin-bottom: 8px;
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
    background: var(--nav-bg);
    color: #888;
    font-size: 0.78rem;
    text-align: center;
    padding: 14px;
}

/* =========================================================
   RESPONSIVE — collapse left art on small screens
   ========================================================= */
@media (max-width: 768px) {
    .left-art { display: none; }
    .header-inner { padding: 14px 16px; }
    .content-area { padding: 18px 16px 30px; }
    .header-title-block h1 { font-size: 1.4rem; }
}

@media (max-width: 480px) {
    .site-nav li a {
        padding: 9px 10px;
        font-size: 0.82rem;
        letter-spacing: 0.04em;
    }
}