/* psy.css */
.center-container {
    display: flex;
    max-width: 1400px;
    margin: 80px auto 20px;
    gap: 20px;
    padding: 0 20px;
}

.psy-sidebar {
    width: 300px;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 20px;
    height: fit-content;
}

.sidebar-title {
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.doc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.doc-item {
    padding: 12px 15px;
    margin-bottom: 8px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    gap: 10px;
}

.doc-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.doc-item.active {
    background: #3b82f6;
    color: #fff;
}

.doc-icon {
    font-size: 1.2rem;
}

.psy-viewer-container {
    flex: 1;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.viewer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.current-title {
    color: #fff;
    font-size: 1.4rem;
    margin: 0;
}

.viewer-actions {
    display: flex;
    gap: 10px;
}

.btn-action {
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-download {
    background: #10b981;
    color: #fff;
}

.btn-download:hover {
    background: #059669;
}

.btn-open {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-open:hover {
    background: rgba(255, 255, 255, 0.2);
}

.pdf-container {
    flex: 1;
    min-height: 80vh;
    border-radius: 8px;
    overflow: hidden;
    background: #f0f0f0;
}

.pdf-viewer {
    width: 100%;
    height: 100%;
    border: none;
}

@media (max-width: 992px) {
    .center-container {
        flex-direction: column;
        margin-top: 100px;
    }

    .psy-sidebar {
        width: 100%;
    }
}