/* Perju Biruni Rehber Tasarımı */
#perju-app-frame { 
    display: flex; 
    gap: 20px; 
    font-family: 'Inter', sans-serif; 
    min-height: 600px; 
    color: #333; 
    margin: 20px 0;
}

.perju-sidebar { 
    width: 300px; 
    background: #fff; 
    border-radius: 12px; 
    box-shadow: 0 4px 20px rgba(0,0,0,0.08); 
    align-self: flex-start; 
}

.sidebar-header { 
    padding: 15px; 
    background: #00a3c8; 
    color: #fff; 
    border-radius: 12px 12px 0 0; 
    display: flex; 
    justify-content: space-between; 
    align-items: center;
    cursor: pointer; 
}

.sidebar-header h4 { margin: 0; font-size: 1rem; color: #fff; }

#perju-nav { 
    list-style: none; 
    padding: 0; 
    margin: 0; 
    max-height: 70vh; 
    overflow-y: auto; 
}

#perju-nav li { 
    padding: 12px 15px; 
    border-bottom: 1px solid #f5f5f5; 
    cursor: pointer; 
    font-size: 0.85rem; 
    display: flex; 
    align-items: center; 
    gap: 10px; 
    transition: 0.2s;
}

#perju-nav li:hover { background: #f0f9fb; color: #00a3c8; }
#perju-nav li.active { background: #e0f4f8; color: #00a3c8; font-weight: 700; border-left: 4px solid #00a3c8; }

.unit-icon { font-size: 1rem; }

.perju-main { flex: 1; display: flex; flex-direction: column; gap: 20px; }

.search-box input { 
    width: 100%; 
    padding: 12px 20px; 
    border-radius: 30px; 
    border: 1px solid #ddd; 
    outline: none;
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}

.perju-doc-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); 
    gap: 20px; 
}

.perju-doc-card { 
    background: #fff; 
    border-radius: 15px; 
    overflow: hidden; 
    border: 1px solid #eee; 
    transition: 0.3s; 
    display: flex; 
    flex-direction: column; 
}

.perju-doc-card:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.1); }

.doc-img-wrap img { width: 100%; height: 220px; object-fit: cover; }

.doc-body { padding: 15px; text-align: center; flex: 1; display: flex; flex-direction: column; justify-content: space-between; }
.doc-body h5 { margin: 0 0 5px; font-size: 0.9rem; color: #222; min-height: 38px; }

.doc-unit-label { display: block; font-size: 0.75rem; color: #00a3c8; font-weight: 600; margin-bottom: 15px; }

.perju-btn { 
    background: #00a3c8; 
    color: #fff !important; 
    text-decoration: none; 
    padding: 10px; 
    border-radius: 8px; 
    font-size: 0.8rem; 
    font-weight: bold; 
    display: block; 
}

.perju-no-link { font-size: 0.75rem; color: #999; font-style: italic; }

/* MOBİL AYARLAR */
@media (max-width: 992px) {
    #perju-app-frame { flex-direction: column; }
    .perju-sidebar { width: 100%; }
    #perju-nav { display: none; }
    #perju-nav.open { display: block; }
    .mobile-toggle { display: block; }
}