/* Theme-specific styles */

/* Sidebar */
.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.sidebar-subtitle {
    font-size: 13px;
    opacity: 0.8;
}

.sidebar-nav {
    padding: 20px 0;
}

.nav-item {
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-item.active {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-left: 4px solid white;
}

.nav-icon {
    font-size: 18px;
}

/* Header */
.header-title {
    font-size: 24px;
    font-weight: 600;
    color: #1a1a1a;
}

/* File Upload */
.file-upload {
    border: 2px dashed #ddd;
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.file-upload:hover {
    border-color: #667eea;
    background: #f8f9ff;
}

.file-upload input[type="file"] {
    display: none;
}

.file-upload-label {
    display: block;
    cursor: pointer;
}

.file-upload-icon {
    font-size: 48px;
    color: #667eea;
    margin-bottom: 16px;
}

.file-upload-text {
    color: #666;
    font-size: 14px;
}

.file-upload-hint {
    color: #999;
    font-size: 12px;
    margin-top: 8px;
}

/* Action Bar */
.action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

/* Scrollbar */
.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}