/* ==============================================
    GLOBAL & PUBLIC-FACING STYLES
==============================================
*/

/* --- Variables and Basic Setup --- */
:root {
    --primary-color: #8C1D18; /* A deep, academic red */
    --text-color: #343a40;
    --background-color: #f8f9fa;
    --card-background: #ffffff;
    --border-color: #dee2e6;
    --font-family: 'Inter', sans-serif;
}

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}


/* --- Public Directory Page (index.php) --- */
.main-header { text-align: center; padding: 3rem 0; margin-bottom: 2rem; }
.main-header h1 { font-size: 2.5rem; font-weight: 700; margin: 0 0 0.5rem 0; }
.main-header p { font-size: 1.1rem; color: #6c757d; margin: 0; }
.search-bar { margin-bottom: 3rem; text-align: center; }
.search-bar form { display: flex; justify-content: center; max-width: 600px; margin: 0 auto; box-shadow: 0 4px 15px rgba(0,0,0,0.1); border-radius: 50px; }
.search-bar input { width: 100%; padding: 1rem 1.5rem; border: 1px solid var(--border-color); border-radius: 50px 0 0 50px; font-size: 1rem; border-right: none; }
.search-bar input:focus { outline: none; box-shadow: 0 0 0 3px rgba(140, 29, 24, 0.2); }
.search-bar button { padding: 1rem 2rem; background-color: var(--primary-color); color: #fff; border: none; border-radius: 0 50px 50px 0; font-size: 1rem; cursor: pointer; }
.directory-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.profile-card { background: var(--card-background); border: 1px solid var(--border-color); border-radius: 12px; overflow: hidden; text-align: left; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.profile-card:hover { transform: translateY(-5px); box-shadow: 0 8px 20px rgba(0,0,0,0.1); }
.profile-card a { text-decoration: none; color: inherit; display: block; }
.profile-card img { width: 100%; height: 280px; object-fit: cover; background-color: #e9ecef; }
.profile-card .card-info { padding: 1.25rem; }
.profile-card h3 { margin: 0 0 0.25rem 0; font-size: 1.2rem; }
.profile-card .affiliation { font-size: 0.9rem; color: var(--primary-color); margin-bottom: 0.5rem; font-weight: 500; }
.profile-card p { margin: 0; color: #6c757d; }

/* --- Public Profile Page (profile.php) --- */
.profile-page-container { display: grid; grid-template-columns: 300px 1fr; gap: 3rem; padding: 3rem 0; align-items: start; }
.profile-sidebar { position: sticky; top: 2rem; }
.profile-sidebar img { width: 100%; border-radius: 12px; margin-bottom: 1.5rem; }
.profile-sidebar h1 { font-size: 2rem; margin: 0; }
.profile-sidebar .affiliation { color: var(--primary-color); font-weight: 500; margin: 0.25rem 0 1rem 0; }
.profile-sidebar h2 { font-size: 1.1rem; margin: 0.25rem 0; font-weight: normal; }
.profile-sidebar .contact-info p, .profile-sidebar p { margin: 0.5rem 0; word-wrap: break-word; color: #6c757d; }
.profile-sidebar .contact-info a { color: var(--primary-color); text-decoration: none; }
.profile-links { margin: 1.5rem 0; }
.profile-links a { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; color: var(--text-color); margin-bottom: 0.75rem; padding: 0.5rem; border-radius: 6px; transition: background-color 0.2s ease; }
.profile-links a:hover { background-color: #f1f1f1; }
.profile-links a svg { flex-shrink: 0; }
.profile-links a.link-google-scholar { color: #4285F4; }
.profile-links a.link-research-gate { color: #00CCBB; }
.profile-links a.link-orcid { color: #A6CE39; }
.profile-content-nav { margin-top: 2rem; padding: 1.5rem; background-color: #f1f1f1; border-radius: 8px; }
.profile-content-nav h4 { margin: 0 0 1rem 0; font-size: 1.1rem; font-weight: 700; }
.profile-content-nav ul { list-style: none; padding: 0; margin: 0; }
.profile-content-nav li a { display: block; text-decoration: none; padding: 0.6rem; border-radius: 6px; color: #333; font-weight: 500; transition: background-color 0.2s ease; }
.profile-content-nav li a:hover { background-color: #e0e0e0; }
.profile-main-content .profile-section { background: var(--card-background); padding: 2.5rem; border-radius: 12px; border: 1px solid var(--border-color); margin-bottom: 2rem; scroll-margin-top: 2rem; }
.profile-main-content h3 { margin: 0 0 1.5rem 0; font-size: 1.75rem; color: var(--primary-color); padding-bottom: 1rem; border-bottom: 1px solid var(--border-color); }
.profile-main-content div { line-height: 1.8; color: #495057; }
@media (max-width: 992px) { .profile-page-container { grid-template-columns: 1fr; } .profile-sidebar { position: static; top: auto; } }