/* ==========================================================================
   SST Pro Tools — Dashboard & File Workspace Styles
   ========================================================================== */

/* Sidebar */
.app-sidebar {
    width: var(--sidebar-width);
    background-color: #ffffff;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: var(--transition);
    z-index: 100;
}

.sidebar-brand {
    height: var(--header-height);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-brand img {
    height: 40px;
    width: auto;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--brand-navy);
    line-height: 1.1;
}

.brand-subtitle {
    font-size: 0.6875rem;
    color: var(--primary);
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-section-title {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-subtle);
    padding: 12px 12px 6px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-main);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    text-decoration: none;
}

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

.nav-link:hover {
    background-color: var(--bg-subtle);
    color: var(--primary);
}

.nav-link:hover i {
    color: var(--primary);
}

.nav-link.active {
    background-color: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
}

.nav-link.active i {
    color: var(--primary);
}

.sidebar-storage {
    padding: 16px;
    margin: 12px;
    background-color: var(--bg-subtle);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.storage-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.progress-bar {
    height: 6px;
    background-color: var(--border-color);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--primary);
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
}

/* Header & Navbar */
.app-header {
    height: var(--header-height);
    background-color: #ffffff;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 90;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.sidebar-toggle-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-main);
    cursor: pointer;
}

.search-box {
    position: relative;
    width: 320px;
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.search-box input {
    padding-left: 36px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-profile-menu {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    position: relative;
}

.user-avatar {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    background: var(--primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9375rem;
}

/* Upload Dropzone */
.upload-dropzone {
    border: 2px dashed var(--border-color);
    background-color: #ffffff;
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    margin-bottom: 24px;
}

.upload-dropzone:hover, .upload-dropzone.dragover {
    border-color: var(--primary);
    background-color: var(--primary-light);
}

.dropzone-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.dropzone-text h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.dropzone-text p {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* Progress List */
.upload-progress-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.upload-task-item {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.task-icon {
    font-size: 1.25rem;
    color: var(--primary);
}

.task-details {
    flex: 1;
}

.task-title {
    font-size: 0.875rem;
    font-weight: 500;
}

.task-bar {
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    margin-top: 4px;
    overflow: hidden;
}

.task-bar-fill {
    height: 100%;
    background: var(--primary);
    width: 0%;
    transition: width 0.15s ease;
}

/* Breadcrumbs */
.file-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
}

.breadcrumb-item a {
    color: var(--text-muted);
    font-weight: 500;
}

.breadcrumb-item a:hover {
    color: var(--primary);
}

.breadcrumb-item.active {
    color: var(--text-main);
    font-weight: 600;
}

/* Folder Grid */
.folder-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.folder-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    color: var(--text-main);
}

.folder-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-focus);
}

.folder-icon {
    font-size: 1.75rem;
    color: #f59e0b;
}

.folder-meta h4 {
    font-size: 0.9375rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 140px;
}

.folder-meta span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* File Grid */
.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

.file-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: var(--transition);
    position: relative;
}

.file-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--border-focus);
}

.file-preview-box {
    height: 120px;
    background-color: var(--bg-subtle);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    cursor: pointer;
}

.file-preview-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.file-preview-box i {
    font-size: 2.75rem;
}

.file-preview-box i.fa-file-pdf { color: #ef4444; }
.file-preview-box i.fa-file-word { color: #2563eb; }
.file-preview-box i.fa-file-excel { color: #16a34a; }
.file-preview-box i.fa-file-lines { color: #64748b; }
.file-preview-box i.fa-file-zipper { color: #eab308; }

.file-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.file-title {
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-meta-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.file-actions-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--border-color);
    padding-top: 8px;
    margin-top: 4px;
}

/* File Actions Dropdown */
.action-dropdown {
    position: relative;
}

.action-menu {
    position: absolute;
    right: 0;
    top: 100%;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    min-width: 170px;
    display: none;
    flex-direction: column;
    z-index: 50;
    padding: 4px 0;
}

.action-menu.active {
    display: flex;
}

.action-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    font-size: 0.8125rem;
    color: var(--text-main);
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.action-item:hover {
    background-color: var(--bg-subtle);
    color: var(--primary);
}

.action-item.danger-item:hover {
    background-color: var(--danger-light);
    color: var(--danger);
}

/* Mobile Bottom Navigation */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: #ffffff;
    border-top: 1px solid var(--border-color);
    z-index: 95;
    justify-content: space-around;
    align-items: center;
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    font-size: 0.6875rem;
    color: var(--text-muted);
    text-decoration: none;
}

.bottom-nav-item i {
    font-size: 1.25rem;
}

.bottom-nav-item.active {
    color: var(--primary);
    font-weight: 600;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .app-sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        bottom: 0;
        box-shadow: var(--shadow-xl);
    }
    .app-sidebar.open {
        left: 0;
    }
    .sidebar-toggle-btn {
        display: block;
    }
    .search-box {
        width: 220px;
    }
}

@media (max-width: 768px) {
    .search-box {
        display: none;
    }
    .mobile-bottom-nav {
        display: flex;
    }
    .content-body {
        padding-bottom: 80px;
    }
    .folder-grid, .file-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 12px;
    }
    .file-preview-box {
        height: 90px;
    }
}