/* PDF Viewer Platform — Public CSS */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
    font-size: 15px;
    color: #1e293b;
    background: #f8fafc;
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* Site header */
.site-header {
    background: #1e293b;
    color: #fff;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0,0,0,.15);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-weight: 800;
    font-size: 1.2rem;
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: .5rem;
}

.site-header nav {
    display: flex;
    gap: 1.25rem;
}

.site-header nav a {
    color: rgba(255,255,255,.75);
    text-decoration: none;
    font-size: .875rem;
    transition: color .15s;
}

.site-header nav a:hover { color: #fff; }

/* Page header */
.page-header {
    padding: 2.5rem 0 1.5rem;
}

.page-header h1 {
    font-size: 1.8rem;
    font-weight: 800;
    color: #1e293b;
}

.page-header p {
    color: #64748b;
    margin-top: .35rem;
}

/* Doc grid */
.doc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
    padding-bottom: 3rem;
}

.doc-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 1.25rem;
    display: flex;
    gap: 1rem;
    text-decoration: none;
    color: inherit;
    transition: box-shadow .2s, transform .15s;
}

.doc-card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,.1);
    transform: translateY(-2px);
}

.doc-icon {
    width: 48px;
    height: 48px;
    background: #ede9fe;
    color: #7c3aed;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.doc-icon svg { width: 24px; height: 24px; }

.doc-info { overflow: hidden; }

.doc-info h3 {
    font-size: .95rem;
    font-weight: 700;
    color: #1e293b;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.doc-info p {
    font-size: .82rem;
    color: #64748b;
    margin-top: .2rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.doc-views {
    display: inline-block;
    margin-top: .5rem;
    font-size: .75rem;
    color: #94a3b8;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 4rem 1rem;
    color: #94a3b8;
}

.empty-state svg { margin: 0 auto 1rem; display: block; }

.empty-state p { font-size: 1rem; }

/* Site footer */
.site-footer {
    background: #1e293b;
    color: rgba(255,255,255,.5);
    padding: 1.25rem 0;
    font-size: .82rem;
}

.site-footer a {
    color: rgba(255,255,255,.6);
    text-decoration: none;
}

.site-footer a:hover { color: #fff; }

@media (max-width: 480px) {
    .page-header h1 { font-size: 1.4rem; }
    .doc-grid { grid-template-columns: 1fr; }
}