/* Document Management Module Specific Styles (v2) */

.doc-container {
    display: flex;
    flex: 1;
    margin: 10px 40px;
    margin-bottom: 30px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: calc(100vh - var(--header-height) - 40px);
}

@media (max-width: 1024px) {
    .doc-container {
        margin: 10px 20px;
        flex-direction: column;
        height: auto;
    }
}

/* ---------------- Left Pane (Folder Tree) ---------------- */
.doc-sidebar {
    width: 280px;
    background: rgba(0, 0, 0, 0.2);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 20px 0;
}

@media (max-width: 1024px) {
    .doc-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
}

.folder-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    margin-bottom: 20px;
}
.folder-header h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.btn-icon-small {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition);
}
.btn-icon-small:hover { color: var(--accent-blue); }

.folder-list {
    list-style: none;
    flex: 1;
    overflow-y: auto;
}

.folder-item {
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-primary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
}

.folder-item i {
    color: var(--text-secondary);
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.folder-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.folder-item.active {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
    border-right: 3px solid var(--accent-blue);
    font-weight: 600;
}
.folder-item.active i {
    color: var(--accent-blue);
}

.folder-item.restricted i {
    color: var(--accent-orange);
}

/* Favorites folder */
.folder-item.fav-folder i {
    color: #F59E0B;
}
.folder-item.fav-folder.active i {
    color: #F59E0B;
}

/* Storage Bar */
.storage-info {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}
.storage-info .s-text {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

/* ---------------- Right Pane (File Explorer) ---------------- */
.doc-explorer {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.05);
}

.explorer-toolbar {
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.search-box i {
    position: absolute;
    margin-left: 14px;
    margin-top: 12px;
    color: var(--text-secondary);
}

.search-box input {
    width: 350px;
    padding: 10px 10px 10px 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    outline: none;
    transition: var(--transition);
}
.search-box input:focus { border-color: var(--accent-blue); }

/* Batch actions bar */
.batch-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.batch-count {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-blue);
}
.btn-batch {
    background: linear-gradient(135deg, #3B82F6, #6366F1);
    border: none;
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.82rem;
    cursor: pointer;
    font-family: inherit;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: opacity 0.2s;
}
.btn-batch:hover { opacity: 0.85; }

.breadcrumb {
    padding: 16px 30px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}
.breadcrumb span.active {
    color: var(--text-primary);
    font-weight: 600;
}
.breadcrumb i {
    font-size: 0.7rem;
    margin: 0 8px;
}

/* File List Grid — Updated with checkbox + security columns */
.file-list-header {
    display: grid;
    grid-template-columns: 36px 3fr 90px 100px 100px 80px 100px;
    padding: 12px 30px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    align-items: center;
}

.file-list-body {
    flex: 1;
    overflow-y: auto;
    padding-bottom: 20px;
}

.file-item {
    display: grid;
    grid-template-columns: 36px 3fr 90px 100px 100px 80px 100px;
    padding: 14px 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
    align-items: center;
    transition: var(--transition);
    font-size: 0.95rem;
}
.file-item:hover {
    background: rgba(255, 255, 255, 0.03);
}
.file-item.selected {
    background: rgba(59,130,246,0.08);
}

.col-check {
    display: flex;
    align-items: center;
    justify-content: center;
}
.col-check input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--accent-blue);
}

.col-name {
    display: flex;
    align-items: center;
    gap: 12px;
}
.col-date, .col-user, .col-size {
    color: var(--text-secondary);
    font-size: 0.88rem;
}

/* Security Level Badges */
.col-sec {
    font-size: 0.78rem;
}
.sec-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.72rem;
    white-space: nowrap;
}
.sec-badge.public {
    background: rgba(16,185,129,0.12);
    color: #10B981;
}
.sec-badge.dept {
    background: rgba(59,130,246,0.12);
    color: #3B82F6;
}
.sec-badge.conf {
    background: rgba(239,68,68,0.12);
    color: #EF4444;
}

/* Icons */
.icon-pdf { color: var(--accent-red); font-size: 1.4rem; }
.icon-hwp { color: var(--accent-blue); font-size: 1.4rem; } 
.icon-excel { color: var(--accent-green); font-size: 1.4rem; }
.icon-img { color: var(--accent-orange); font-size: 1.4rem; }
.icon-ppt { color: #D04423; font-size: 1.4rem; }

.f-name { font-weight: 500; }

/* Favorite star */
.btn-fav {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    transition: color 0.2s, transform 0.15s;
    padding: 0;
    margin-right: 4px;
}
.btn-fav:hover { color: #F59E0B; transform: scale(1.2); }
.btn-fav.active { color: #F59E0B; }

.btn-action {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    margin-left: 12px;
    transition: var(--transition);
}
.btn-action:hover { color: var(--accent-blue); }
.text-danger:hover { color: var(--accent-red); }

/* Upload Dropzone */
.upload-dropzone {
    border: 2px dashed rgba(59,130,246,0.3);
    border-radius: 16px;
    padding: 40px 20px;
    text-align: center;
    transition: border-color 0.3s, background 0.3s;
    cursor: pointer;
}
.upload-dropzone:hover,
.upload-dropzone.dragover {
    border-color: var(--accent-blue);
    background: rgba(59,130,246,0.05);
}

/* Selected file chip */
.upload-file-chip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    background: rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 8px;
    margin-bottom: 6px;
    font-size: 0.85rem;
    color: var(--text-primary);
}
.upload-file-chip .chip-remove {
    background: none;
    border: none;
    color: var(--accent-red);
    cursor: pointer;
    font-size: 0.8rem;
}

/* Modal styles (shared — reused from existing) */
.modal-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.75); backdrop-filter: blur(6px);
    display: flex; align-items: center; justify-content: center;
    z-index: 9999; opacity: 0; visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}
.modal-overlay.show { opacity: 1; visibility: visible; }
.modal-content {
    background: rgba(15,23,42,0.95); border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px; max-width: 95vw; max-height: 90vh; overflow-y: auto;
    display: flex; flex-direction: column;
    transform: translateY(20px); transition: transform 0.3s;
    box-shadow: 0 25px 50px rgba(0,0,0,0.5);
}
.modal-overlay.show .modal-content { transform: translateY(0); }
.modal-header { padding: 20px 28px; border-bottom: 1px solid rgba(255,255,255,0.08); display: flex; justify-content: space-between; align-items: center; }
.modal-header h2 { font-size: 1.2rem; font-weight: 700; color: #F8FAFC; }
.modal-body { padding: 24px 28px; flex: 1; }
.modal-footer { padding: 16px 28px; border-top: 1px solid rgba(255,255,255,0.08); display: flex; justify-content: flex-end; gap: 12px; }
.btn-close { background: none; border: none; color: #94A3B8; cursor: pointer; font-size: 1.1rem; padding: 4px; transition: color 0.2s; }
.btn-close:hover { color: #F8FAFC; }
.btn-primary { background: linear-gradient(135deg, #3B82F6, #6366F1); color: white; border: none; padding: 10px 22px; border-radius: 10px; font-weight: 600; cursor: pointer; font-family: inherit; font-size: 0.9rem; transition: opacity 0.2s, transform 0.1s; }
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-secondary { background: rgba(255,255,255,0.07); color: #94A3B8; border: 1px solid rgba(255,255,255,0.1); padding: 10px 22px; border-radius: 10px; font-weight: 600; cursor: pointer; font-family: inherit; font-size: 0.9rem; transition: background 0.2s; }
.btn-secondary:hover { background: rgba(255,255,255,0.12); }

@media (max-width: 768px) {
    .file-list-header,
    .file-item {
        grid-template-columns: 30px 2fr 70px 80px 80px 60px 80px;
        padding: 10px 16px;
        font-size: 0.82rem;
    }
    .search-box input { width: 200px; }
}