:root {
    --bg-color: #1e1e1e;
    --card-bg: #252526;
    --text-color: #d4d4d4;
    --accent-color: #007acc;
    --accent-hover: #0098ff;
    --border-color: #3e3e42;
    --input-bg: #3c3c3c;
    --success-color: #4ec9b0;
    --error-color: #f48771;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

header {
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

h1 {
    margin: 0;
    font-size: 24px;
    color: var(--text-color);
}

.meta {
    font-size: 14px;
    color: #888;
    margin-top: 5px;
}

a {
    color: var(--accent-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.controls-section {
    display: grid;
    gap: 15px;
    margin-bottom: 20px;
}

.control-group {
    display: flex;
    flex-direction: column;
}

label {
    font-size: 14px;
    margin-bottom: 5px;
    font-weight: 500;
}

input[type="text"],
select {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 10px;
    border-radius: 4px;
    font-size: 14px;
    outline: none;
    width: 100%; /* Ensure full width */
    box-sizing: border-box; /* Include padding in width */
}

input[type="text"]:focus,
select:focus {
    border-color: var(--accent-color);
}

.doc-link {
    font-size: 16px;
    margin-left: 5px;
    cursor: pointer;
}

.status-message {
    margin: 10px 0;
    min-height: 20px;
    font-size: 14px;
}

.status-message.error { color: var(--error-color); }
.status-message.success { color: var(--success-color); }
.status-message.info { color: var(--accent-color); }

.fields-section {
    margin-top: 20px;
    background-color: #2d2d30;
    padding: 15px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.fields-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 5px;
}

#fieldvalue {
    width: 100%;
    box-sizing: border-box;
    font-family: 'Consolas', 'Monaco', monospace;
    background-color: #1e1e1e;
}

.hint {
    font-size: 12px;
    color: #888;
    margin: 5px 0 0 0;
}

.tree-controls {
    margin: 20px 0 10px 0;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
    flex: 1 0 auto; /* Allow buttons to grow and shrink */
    text-align: center;
}

.btn:hover {
    background-color: #4e4e50;
}

.btn-small {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 4px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

.btn-small:hover {
    background-color: var(--accent-hover);
}

.tree-container {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 10px;
    background-color: var(--input-bg);
    max-height: 500px;
    overflow-y: auto;
}

/* jstree dark theme overrides */
.jstree-default .jstree-anchor {
    color: var(--text-color) !important;
    word-break: break-all; /* Prevent long field names from overflowing */
}
.jstree-default .jstree-hovered {
    background: #4e4e50 !important;
    box-shadow: none !important;
}
.jstree-default .jstree-clicked {
    background: var(--accent-color) !important;
    color: white !important;
    box-shadow: none !important;
}
.jstree-default .jstree-wholerow-hovered {
    background: #4e4e50 !important;
}
.jstree-default .jstree-wholerow-clicked {
    background: var(--accent-color) !important;
    background: linear-gradient(to bottom, var(--accent-color) 0%, var(--accent-color) 100%) !important;
}
/* Fix checkbox visibility in dark mode if they are images */
.jstree-default .jstree-checkbox {
    filter: invert(1) hue-rotate(180deg);
}

/* Mobile Responsiveness */
@media (max-width: 600px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 15px;
    }

    h1 {
        font-size: 20px;
    }

    .meta {
        font-size: 12px;
    }

    .btn {
        padding: 10px; /* Larger touch target */
        font-size: 14px;
        width: 100%; /* Full width buttons on mobile */
        margin-bottom: 5px;
    }

    .tree-controls {
        flex-direction: column;
        gap: 5px;
    }

    .fields-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .fields-header button {
        width: 100%;
        padding: 8px;
    }
}