:root {
    --primary-color: #000000;
    --text-main: #000000;
    --text-muted: #4b5563;
    --bg-main: #ffffff;
    --bg-card: #ffffff;
    --border-color: #000000;
    --sidebar-bg: #ffffff;
    --accent-color: #000000;
    --font-family: 'JetBrains Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border-radius: 0 !important;
}

body {
    font-family: var(--font-family);
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.container {
    display: grid;
    grid-template-columns: 350px 1fr;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    background-color: var(--sidebar-bg);
    padding: 3rem 2rem;
    border-right: 2px solid var(--border-color);
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.profile-header {
    text-align: left;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.profile-img {
    width: 100%;
    height: auto;
    filter: grayscale(100%) contrast(120%);
    margin-bottom: 1.5rem;
    border: 2px solid var(--border-color);
}

.profile-header h1 {
    font-size: 1.4rem;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.profile-header .title {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.sidebar h3 {
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 1rem;
    margin-top: 2.5rem;
    background: var(--text-main);
    color: white;
    padding: 0.2rem 0.5rem;
    display: inline-block;
}

.contact-list, .links-list {
    font-size: 0.85rem;
}

.links-list a {
    display: block;
    color: var(--text-main);
    text-decoration: underline;
    margin-bottom: 0.4rem;
}

.links-list a:hover {
    background: var(--text-main);
    color: white;
    text-decoration: none;
}

/* Navigation & Dashboard */
.hidden {
    display: none !important;
}

.sidebar-nav {
    margin-bottom: 2rem;
}

.nav-home-link {
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 800;
    color: var(--text-main);
    text-decoration: none;
    border: 2px solid var(--border-color);
    padding: 0.5rem 1rem;
    display: block;
    text-align: center;
}

.nav-home-link:hover {
    background: var(--text-main);
    color: white;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 0;
    border-top: 2px solid var(--border-color);
    border-left: 2px solid var(--border-color);
}

.nav-card {
    background: var(--bg-card);
    border-right: 2px solid var(--border-color);
    border-bottom: 2px solid var(--border-color);
    padding: 2.5rem;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    text-align: left;
    transition: background 0.2s;
}

.nav-card:hover {
    background: #f3f4f6;
}

.card-count {
    font-size: 3rem;
    font-weight: 900;
    color: var(--text-main);
    margin-bottom: 1rem;
    line-height: 1;
}

.nav-card h3 {
    font-size: 1.1rem;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.nav-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.back-to-home-btn {
    background: var(--text-main);
    color: white;
    border: none;
    font-weight: 800;
    text-transform: uppercase;
    cursor: pointer;
    margin-bottom: 3rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.8rem;
}

/* Main Content */
.content {
    padding: 0;
}

#sections-container {
    padding: 4rem;
}

.cv-section {
    margin-bottom: 5rem;
}

.cv-section h2 {
    font-size: 1.5rem;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 2.5rem;
    border-left: 8px solid var(--border-color);
    padding-left: 1.5rem;
}

.section-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Common Item Styles */
.cv-item {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #ddd;
}

.cv-item:last-child {
    border-bottom: none;
}

.item-date {
    font-weight: 800;
    font-size: 0.9rem;
}

.item-details h4 {
    font-size: 1rem;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.item-details .subtext {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.item-details a {
    color: var(--text-main);
    text-decoration: underline;
}

/* Publications */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.pub-stats {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 600;
}

.pub-filters {
    display: flex;
    gap: 0;
    margin-bottom: 3rem;
    border: 2px solid var(--border-color);
}

#pub-search {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    border-right: 2px solid var(--border-color);
    font-family: inherit;
    font-size: 0.85rem;
    text-transform: uppercase;
}

#pub-sort {
    padding: 0.75rem;
    border: none;
    font-family: inherit;
    font-size: 0.85rem;
    text-transform: uppercase;
    background: white;
}

.pub-item {
    padding: 2rem;
    border: 2px solid var(--border-color);
    margin-bottom: -2px; /* Overlay borders */
}

.pub-title {
    font-weight: 800;
    font-size: 1rem;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.pub-authors {
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.pub-authors b {
    text-decoration: underline;
}

.pub-meta {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.pub-summary-box {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border-color);
}

.pub-summary-text {
    font-size: 0.85rem;
    line-height: 1.6;
}

.pub-keywords {
    margin-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.keyword-tag {
    font-size: 0.7rem;
    border: 1px solid var(--border-color);
    padding: 0.1rem 0.4rem;
    text-transform: uppercase;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.1rem 0.5rem;
    border: 1px solid var(--border-color);
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
}

.badge-current { background: #000; color: #fff; }
.badge-completed { background: #eee; color: #000; }
.badge-graduated { background: #ddd; color: #000; }

/* Responsive */
@media (max-width: 1024px) {
    .container {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        height: auto;
        position: static;
        border-right: none;
        border-bottom: 2px solid var(--border-color);
    }

    #sections-container {
        padding: 2rem;
    }
}

@media (max-width: 640px) {
    .cv-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .dashboard-grid {
        border-left: none;
    }
    
    .nav-card {
        border-left: 2px solid var(--border-color);
    }
}