/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* BASE */
body {
    font-family: 'Courier New', Courier, monospace;
    background-color: #f5f2ea;
    color: #1a1a1a;
    line-height: 1.5;
    padding: 30px 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* HEADER */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    border-bottom: 3px solid #666;
    padding-bottom: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 15px;
}

.logo a {
    font-size: 2.2rem;
    font-weight: 600;
    text-decoration: none;
    color: #000;
    letter-spacing: -1px;
}

.logo a:hover {
    text-decoration: underline;
}

.archive-note {
    font-size: 1rem;
    color: #444;
    font-style: italic;
}

.header-right {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* SEARCH PANEL */
.search-panel {
    border: 2px solid #6f6f6f;
    background-color: #fffcf2;
    padding: 30px;
    margin-bottom: 20px;
}

.search-line {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

#searchBox {
    flex: 1;
    min-width: 280px;
    padding: 14px 18px;
    font-family: inherit;
    font-size: 1.1rem;
    background-color: #fff;
    border: 2px solid #555;
    border-radius: 0;
}

#searchBox:focus {
    outline: 3px solid #7c7c7c;
    border-color: #000;
}

.search-btn {
    padding: 14px 32px;
    background-color: #dad3c4;
    border: 2px solid #444;
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    border-radius: 0;
    transition: 0.1s;
}

.search-btn:hover {
    background-color: #beb5a2;
    border-color: #000;
}

/* CATEGORY BUTTON ROW - CENTERED */
.category-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin: 20px 0 10px 0;
    padding: 8px 0;
    border-bottom: 1px dashed #aaa;
    justify-content: center;
}

.cat-btn {
    background-color: #e8e0d2;
    border: 2px solid #5a5a5a;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    font-size: 1rem;
    padding: 8px 24px;
    cursor: pointer;
    transition: 0.1s linear;
    letter-spacing: 0.5px;
    border-radius: 0;
}

.cat-btn:hover {
    background-color: #cfc6b4;
    border-color: #2c2c2c;
}

.cat-btn.active {
    background-color: #b3a68f;
    border-color: #000;
    color: white;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.2);
}

/* SECTION TITLE */
.section-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin: 40px 0 30px;
    border-left: 8px solid #5a5a5a;
    padding-left: 22px;
}

/* REPOSITORY GRID */
.repo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 35px;
}

/* REPOSITORY CARD */
.repo-card {
    border: 2px solid #505050;
    background-color: #ffffff;
    padding: 28px 25px;
    transition: all 0.15s;
    box-shadow: 6px 6px 0 #bfb9ae;
    position: relative;
    border-radius: 0;
}

.repo-card:hover {
    border-color: #222;
    box-shadow: 10px 10px 0 #a09b90;
}

.repo-name {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.2;
    border-bottom: 2px dotted #aaa;
    padding-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 8px;
}

.repo-name a {
    text-decoration: none;
    color: #1f1f1f;
}

.repo-name a:hover {
    text-decoration: underline;
}

/* category chip */
.repo-category {
    font-size: 0.7rem;
    font-weight: bold;
    background-color: #ddd2c0;
    padding: 4px 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #2d2d2d;
    border: 1px solid #8b7f6b;
    border-radius: 0;
}

.repo-description {
    font-size: 1.05rem;
    color: #333;
    margin: 20px 0 25px;
    min-height: 70px;
}

/* MATERIAL BLOCK */
.material-block {
    background-color: #ebe6db;
    border-left: 6px solid #6d6d6d;
    padding: 18px 20px;
    margin-top: 15px;
}

.material-link {
    font-size: 1.2rem;
    font-weight: 700;
}

.material-link a {
    color: #1e1e1e;
    text-decoration: none;
    border-bottom: 2px solid #777;
}

.material-link a:hover {
    border-bottom: 4px solid #333;
}

.material-path {
    font-size: 0.85rem;
    color: #5a5a5a;
    margin-top: 8px;
    font-family: monospace;
}

/* EMPTY STATE */
.no-repos {
    border: 3px dashed #6b6b6b;
    padding: 60px;
    text-align: center;
    font-size: 1.6rem;
    background-color: #e2dcd0;
    color: #2d2d2d;
    grid-column: 1 / -1;
    border-radius: 0;
}

/* FOOTER */
.footer-note {
    margin-top: 80px;
    border-top: 3px solid #888;
    padding: 30px 0 15px;
    font-size: 1rem;
    color: #3a3a3a;
    text-align: right;
}

/* RESPONSIVE */
@media (max-width: 700px) {
    .repo-name {
        font-size: 1.6rem;
    }
    .cat-btn {
        padding: 6px 16px;
    }
    .search-line {
        flex-direction: column;
    }
    .search-btn {
        width: 100%;
    }
}