/* Additional styles for Sprint 2 */

/* File List Styles */
.file-list {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all var(--transition-fast);
    gap: 1rem;
}

.file-item:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.file-info {
    flex: 1;
    min-width: 0;
    /* Allow text truncation */
}

.file-name {
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.file-type-badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    background-color: var(--accent-primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 4px;
    text-transform: uppercase;
}

.file-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.file-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.btn-download {
    padding: 0.5rem 1.25rem;
    background-color: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-download:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-download:active {
    transform: translateY(0);
}

/* Filter Button Styles */
.filter-btn {
    padding: 0.5rem 1.25rem;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.filter-btn.active {
    background-color: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-tertiary);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state-text {
    font-size: 1.1rem;
    font-weight: 500;
}

/* Loading State */
.loading-spinner {
    text-align: center;
    padding: 2rem;
    color: var(--text-tertiary);
}

.spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive adjustments for file list */
@media (max-width: 768px) {
    .file-item {
        flex-direction: column;
        align-items: stretch;
    }

    .file-actions {
        width: 100%;
        justify-content: stretch;
    }

    .btn-download {
        flex: 1;
        justify-content: center;
    }

    .file-list {
        gap: 0.75rem;
    }
}