/* src/css/layout.css */

/* --- LAYOUT GRID --- */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 20px;
    display: grid;
    grid-template-columns: 220px 1fr; /* Sidebar cố định 220px */
    gap: 60px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .container { grid-template-columns: 1fr; gap: 40px; }
    .sidebar { position: static; margin-bottom: 40px; border-bottom: 1px solid var(--border); padding-bottom: 20px;}
}

/* --- SIDEBAR --- */
.sidebar { position: sticky; top: 40px; align-self: start; }

.logo {
    font-size: 32px; font-weight: 700; color: var(--text-main);
    letter-spacing: -1px; margin-bottom: 5px; display: block;
}
.role { color: var(--text-muted); font-size: 14px; margin-bottom: 40px; display: block; }

.nav-link {
    display: block; padding: 8px 0; color: var(--text-muted);
}
.nav-link:hover { color: var(--accent); padding-left: 5px; }
.nav-link::before { content: "./"; color: var(--border); margin-right: 8px; }

/* --- CONTENT SECTIONS --- */
section { margin-bottom: 80px; }

h2 {
    font-size: 24px; color: var(--text-main); border-bottom: 1px solid var(--border);
    padding-bottom: 10px; margin-bottom: 30px;
    text-transform: uppercase; letter-spacing: 1px;
}

/* Project Card Style */
.project-card {
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.01);
    padding: 25px; margin-bottom: 30px;
    transition: transform 0.2s;
}
.project-card:hover { border-color: var(--accent); transform: translateY(-2px); }

.project-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 15px; }
.project-title { font-size: 20px; font-weight: 700; color: var(--accent); }
.project-year { font-size: 14px; color: var(--border); }

.tags span {
    font-size: 12px; background: var(--code-bg); color: var(--text-muted);
    padding: 4px 8px; border-radius: 4px; margin-right: 5px; border: 1px solid var(--border);
}

.project-link {
    margin-bottom: 15px;
}

.project-link a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--accent);
    font-size: 14px;
    transition: all 0.2s;
}

.project-link a:hover {
    border-color: var(--accent);
    background: var(--code-bg);
}

.project-link i {
    font-size: 18px;
}

.project-details {
    margin-bottom: 15px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Skills List */
.skill-list li { margin-bottom: 10px; }
.skill-list strong { color: var(--text-main); min-width: 100px; display: inline-block; }

/* Contact Links */
.contact-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border: 1px solid var(--border);
    background: var(--code-bg);
    border-radius: 6px;
    color: var(--text-muted);
    transition: all 0.2s;
}

.contact-link:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.contact-link i {
    font-size: 20px;
}

.contact-link span {
    font-size: 14px;
    font-weight: 500;
}