/* Documents Layout & Cards */
.documents-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding-bottom: 40px;
    animation: fadeInUp 0.4s ease forwards;
}

/* Stats Bar */
.docs-stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
}

.stats-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 16px;
    border-radius: var(--radius-sm);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stats-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-dim);
}

.stats-num {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent);
}

/* Alert box */
.alert-box {
    background: rgba(245, 158, 11, 0.05);
    border: 1px solid rgba(245, 158, 11, 0.15);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.alert-icon {
    color: var(--warning);
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.alert-icon svg {
    width: 20px;
    height: 20px;
}

.alert-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.alert-title {
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text);
}

.alert-msg {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* Workspace Layout split pane */
.docs-workspace-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    height: 650px;
}

@media (max-width: 900px) {
    .docs-workspace-layout {
        grid-template-columns: 1fr;
        height: auto;
    }
}

/* Left Sidebar for clients list */
.docs-clients-sidebar {
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.05);
}

.docs-sidebar-header {
    padding: 16px;
    border-bottom: 1px solid var(--border);
}

.docs-sidebar-header .search-bar {
    width: 100%;
}

.docs-clients-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.client-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
}

.client-item:hover {
    background: rgba(255, 255, 255, 0.02);
}

.client-item.active {
    background: var(--accent);
    color: #0a0a12;
}

.client-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.78rem;
    font-weight: 700;
    flex-shrink: 0;
}

.client-item.active .client-avatar {
    background: rgba(10, 10, 18, 0.2);
    color: #0a0a12;
}

.client-details {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.client-name {
    font-size: 0.85rem;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.client-meta {
    font-size: 0.7rem;
    opacity: 0.7;
    margin-top: 2px;
}

.docs-empty-clients {
    padding: 24px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-dim);
}

/* Right Content Area */
.docs-main-content {
    display: flex;
    flex-direction: column;
    padding: 20px;
    overflow-y: auto;
}

.docs-content-header {
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
}

.docs-active-client-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 4px 0;
}

.docs-active-client-meta {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin: 0;
}

/* Document list row */
.documents-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.doc-list-row {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    transition: all var(--transition);
}

.doc-list-row:hover {
    border-color: var(--accent);
    background: rgba(201, 162, 39, 0.02);
}

.doc-row-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
}

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

.doc-row-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.doc-row-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.03em;
}

.doc-row-filename {
    font-size: 0.72rem;
    color: var(--text-dim);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.doc-row-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.doc-row-actions .btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 32px;
    padding: 0 14px;
    font-size: 0.76rem;
    font-weight: 600;
}

.doc-row-actions .btn svg {
    width: 13px;
    height: 13px;
}

/* Empty states */
.docs-no-selection-state, .docs-empty-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    color: var(--text-dim);
    gap: 12px;
}

.docs-no-selection-state svg, .docs-empty-state svg {
    width: 44px;
    height: 44px;
}

.docs-no-selection-state p, .docs-empty-state p {
    font-size: 0.86rem;
    margin: 0;
}

/* LIGHTBOX */
.lightbox-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 18, 0.95);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    animation: overlayIn 0.25s ease forwards;
}

.lightbox-close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: all var(--transition);
}

.lightbox-close-btn:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border-color: rgba(239, 68, 68, 0.2);
}

.lightbox-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: all var(--transition);
}

.lightbox-nav-btn:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--border-hover);
}

.lightbox-nav-btn.prev { left: 24px; }
.lightbox-nav-btn.next { right: 24px; }

.lightbox-content-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
}

.lightbox-media-container {
    max-width: 90vw;
    max-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-img {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.8);
}

.lightbox-pdf-frame {
    width: 80vw;
    height: 70vh;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.lightbox-footer {
    height: 100px;
    background: rgba(15, 15, 26, 0.6);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    z-index: 10000;
}

.lightbox-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.lightbox-app-id {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text);
    font-family: monospace;
}

.lightbox-client-name {
    font-size: 0.84rem;
    color: var(--text-muted);
}

.lightbox-doc-type {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--accent);
}

.lightbox-actions {
    display: flex;
    gap: 12px;
}