/* Enhanced Tree Structure Styles with Continuous Vertical Lines and Text Overflow Fix */
.tree-node-wrapper {
    position: relative;
    margin: 0;
    padding: 0;
}

.tree-lines {
    position: absolute;
    top: 0;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    width: 100%;
}

/* LTR Mode Positioning */
.ltr .tree-lines {
    left: 0;
}

/* RTL Mode Positioning */
.rtl .tree-lines {
    right: 0;
}

/* Continuous Vertical Lines - Main Fix */
.vertical-line {
    position: absolute;
    width: 2px;
    background: #6c757d;
    top: 0;
    z-index: 1;
    transition: background 0.3s ease;
}

    /* Parent level lines that continue through descendants */
    .vertical-line.continues {
        height: calc(100% + 16px); /* Extends to connect with next sibling */
    }

/* Calculate position based on the parent level */
.ltr .vertical-line {
    left: calc(var(--parent-level, var(--level)) * 100px + 15px);
}

.rtl .vertical-line {
    right: calc(var(--parent-level, var(--level)) * 100px + 15px);
}

/* Current node's vertical connector */
.vertical-line-current {
    position: absolute;
    width: 2px;
    background: #6c757d;
    top: 0;
    z-index: 2;
    transition: background 0.3s ease;
}

    .vertical-line-current.has-siblings {
        height: 100%; /* Full height when node has siblings below */
    }

    .vertical-line-current.last-child {
        height: 50%; /* Half height when it's the last child */
    }

.ltr .vertical-line-current {
    left: calc(var(--level) * 100px + 15px);
}

.rtl .vertical-line-current {
    right: calc(var(--level) * 100px + 15px);
}

/* Horizontal connector to node */
.horizontal-line {
    position: absolute;
    height: 2px;
    background: #6c757d;
    top: 50%;
    width: 30px;
    transform: translateY(-1px);
    z-index: 2;
    transition: background 0.3s ease;
}

.ltr .horizontal-line {
    left: calc(var(--level) * 100px + 15px);
}

.rtl .horizontal-line {
    right: calc(var(--level) * 100px + 15px);
}

/* Corner connections for better visual continuity */
.corner-middle {
    position: absolute;
    width: 2px;
    background: #6c757d;
    top: 50%;
    height: 50%;
    z-index: 2;
    transition: background 0.3s ease;
}

.corner-last {
    position: absolute;
    width: 2px;
    background: #6c757d;
    top: 50%;
    height: 0;
    z-index: 2;
    transition: background 0.3s ease;
}

.ltr .corner-middle,
.ltr .corner-last {
    left: calc(var(--level) * 100px + 15px);
}

.rtl .corner-middle,
.rtl .corner-last {
    right: calc(var(--level) * 100px + 15px);
}

/* Tree container */
.tree-container {
    position: relative;
    overflow: visible;
    padding: 20px;
}

/* Node content positioning */
.tree-node-content {
    position: relative;
    z-index: 3;
    margin: 8px 0;
    min-height: 70px;
    display: flex;
    align-items: center;
}

.node-box {
    background: #ffffff;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    min-height: 60px;
    width: 320px;
    max-width: 320px; /* Prevent expansion */
    display: flex;
    align-items: center;
    justify-content: space-between; /* Ensure proper spacing */
    position: relative;
    transition: all 0.3s ease;
    overflow: hidden; /* Critical: Prevent content overflow */
    box-sizing: border-box; /* Include padding and border in width */
    padding: 12px; /* Add consistent padding */
}

    .node-box:hover {
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
        border-color: #007bff;
        transform: translateY(-1px);
    }

/* TEXT OVERFLOW FIXES */
.node-info {
    flex: 1; /* Take remaining space */
    min-width: 0; /* Allow shrinking below content size */
    overflow: hidden; /* Hide overflow */
    margin-right: 12px; /* Fixed space between text and actions */
    max-width: calc(100% - 50px); /* Reserve space for buttons */
}

    .node-info h6 {
        margin-bottom: 2px;
        word-wrap: break-word; /* Break long words */
        overflow-wrap: break-word; /* Modern property for word breaking */
        hyphens: auto; /* Add hyphens for better breaking */
        line-height: 1.2; /* Tighter line height for multi-line */
        max-height: 2.4em; /* Limit to ~2 lines */
        overflow: hidden; /* Hide excess content */
        display: -webkit-box;
        -webkit-line-clamp: 2; /* Limit to 2 lines */
        -webkit-box-orient: vertical;
        text-overflow: ellipsis; /* Add ellipsis for overflow */
        font-size: 0.95rem; /* Slightly smaller font */
    }

    .node-info small {
        display: block;
        white-space: nowrap; /* Keep level info on one line */
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%; /* Ensure it doesn't overflow */
        font-size: 0.8rem;
    }

/* Expand/Collapse button */
.expand-btn {
    width: 32px;
    height: 32px;
    min-width: 32px; /* Prevent shrinking */
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
    border: 1px solid currentColor;
    flex-shrink: 0; /* Don't shrink */
}

    .expand-btn:hover {
        transform: scale(1.1);
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    }

/* Node actions - prevent shrinking and maintain fixed position */
.node-actions {
    flex-shrink: 0; /* Don't shrink action buttons */
    display: flex;
    gap: 4px;
    min-width: 80px; /* Reserve minimum space for buttons */
    justify-content: flex-end; /* Align buttons to right */
}

    .node-actions .btn {
        min-width: 36px;
        width: 36px;
        height: 36px;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0; /* Prevent button shrinking */
    }

/* Root node special styling */
.tree-node-wrapper[style*="--level: 0"] .node-box {
    border-left: 4px solid #007bff;
    background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
}

/* Connection dots at line intersections */
.horizontal-line::before {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    background: #6c757d;
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    transition: background 0.3s ease;
}

.ltr .horizontal-line::before {
    left: 0;
}

.rtl .horizontal-line::before {
    right: 0;
}

.horizontal-line::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    background: #6c757d;
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    transition: background 0.3s ease;
}

.ltr .horizontal-line::after {
    right: 0;
}

.rtl .horizontal-line::after {
    left: 0;
}

/* Improved line continuity for nested levels */
.tree-node-wrapper:not(:last-child) > .tree-lines > .vertical-line-current::after {
    content: '';
    position: absolute;
    width: 2px;
    background: #6c757d;
    height: calc(100% + 16px);
    bottom: -8px;
    left: 0;
    z-index: 1;
    transition: background 0.3s ease;
}

/* CONSISTENT HOVER EFFECTS - All lines change to the same color */
.tree-node-wrapper:hover .vertical-line,
.tree-node-wrapper:hover .vertical-line.continues,
.tree-node-wrapper:hover .vertical-line-current,
.tree-node-wrapper:hover .horizontal-line,
.tree-node-wrapper:hover .corner-middle,
.tree-node-wrapper:hover .corner-last,
.tree-node-wrapper:hover .vertical-line-current::after {
    background: #007bff !important;
}

    .tree-node-wrapper:hover .horizontal-line::before,
    .tree-node-wrapper:hover .horizontal-line::after {
        background: #007bff !important;
    }

/* Mobile responsive adjustments */
@media (max-width: 768px) {
    .ltr .vertical-line,
    .ltr .vertical-line-current,
    .ltr .horizontal-line,
    .ltr .corner-middle,
    .ltr .corner-last {
        left: calc(var(--level) * 25px + 10px);
    }

    .rtl .vertical-line,
    .rtl .vertical-line-current,
    .rtl .horizontal-line,
    .rtl .corner-middle,
    .rtl .corner-last {
        right: calc(var(--level) * 25px + 10px);
    }

    .horizontal-line {
        width: 20px;
    }

    .node-box {
        width: 280px;
        max-width: 280px;
        min-height: 50px;
        padding: 10px; /* Adjust padding for mobile */
    }

    .tree-node-content {
        margin: 6px 0;
        min-height: 56px;
    }

    /* Smaller text on mobile for better fit */
    .node-info {
        margin-right: 8px; /* Reduce margin on mobile */
        max-width: calc(100% - 100px); /* Adjust for smaller buttons */
    }

        .node-info h6 {
            font-size: 0.85rem;
            max-height: 2.2em; /* Adjust for smaller font */
        }

        .node-info small {
            font-size: 0.7rem;
        }

    .node-actions {
        min-width: 70px; /* Smaller button area on mobile */
    }

        .node-actions .btn {
            min-width: 30px;
            width: 30px;
            height: 30px;
        }

    /* RTL mobile adjustments */
    .rtl .node-info {
        margin-left: 8px;
        margin-right: 0;
        max-width: calc(100% - 100px);
    }
}

/* Level-based color coding for better visual hierarchy */
.tree-node-wrapper[style*="--level: 1"] .node-box {
    border-left: 3px solid #28a745;
}

.tree-node-wrapper[style*="--level: 2"] .node-box {
    border-left: 3px solid #ffc107;
}

.tree-node-wrapper[style*="--level: 3"] .node-box {
    border-left: 3px solid #dc3545;
}

.tree-node-wrapper[style*="--level: 4"] .node-box {
    border-left: 3px solid #6f42c1;
}

/* Smooth animations */
.tree-node-wrapper {
    transition: all 0.3s ease;
}

.tree-lines * {
    transition: background 0.3s ease;
}

/* Ensure proper z-index stacking */
.tree-lines {
    z-index: 1;
}

    .tree-lines * {
        z-index: inherit;
    }

.tree-node-content {
    z-index: 3;
}

.node-box {
    z-index: 4;
}

/* Optional: Tooltip for truncated text */
.node-info h6[title] {
    cursor: help;
}

/* RTL specific text handling */
.rtl .node-info {
    text-align: right;
    margin-left: 12px; /* Fixed space between text and actions in RTL */
    margin-right: 0;
    max-width: calc(100% - 50px); /* Reserve space for buttons */
}

    .rtl .node-info h6 {
        direction: rtl;
    }

.rtl .node-actions {
    justify-content: flex-start; /* Align buttons to right in RTL (which is left visually) */
}