/* General Styling */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-width: 100%;
    margin: 0 auto;
}

header {
    background-color: #2c3e50;
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

h1 {
    margin: 0;
    font-size: 1.5rem;
}

h2 {
    margin: 0;
    font-size: 1.2rem;
}

/* Main Content */
.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* File Tree Styling */
.file-tree-container {
    width: 300px;
    background-color: #ecf0f1;
    padding: 1rem;
    border-right: 1px solid #ddd;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.file-tree-container h2 {
    margin-bottom: 1rem;
}

.file-tree {
    overflow-y: auto;
    flex: 1;
}

.tree-item {
    margin-bottom: 0.5rem;
    cursor: pointer;
}

.tree-item .icon {
    margin-right: 0.5rem;
}

.tree-item .label {
    word-break: break-all;
}

.tree-item:hover {
    color: #3498db;
}

.tree-item.selected {
    color: #2980b9;
    font-weight: bold;
}

.tree-children {
    margin-left: 1.5rem;
    display: none;
}

.tree-item.expanded > .tree-children {
    display: block;
}

/* Journal Content Styling */
.journal-content-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1rem;
    overflow: hidden;
}

.journal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

#downloadBtn {
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 0.5rem 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

#downloadBtn:hover {
    background-color: #2980b9;
}

#downloadBtn:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
}

.journal-content {
    flex: 1;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 1rem;
    overflow: auto;
    white-space: pre;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
}

.placeholder {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    color: #95a5a6;
    font-style: italic;
}

.file-info {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: #7f8c8d;
    margin-top: 0.25rem;
}

/* Loading Effects */
.loading {
    color: #7f8c8d;
    font-style: italic;
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 1000;
}

.spinner {
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top: 4px solid white;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

.loading-text {
    color: white;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* System Info */
.system-info {
    font-size: 0.8rem;
}

.system-info a {
    color: inherit;
    text-decoration: underline;
}