/**
 * CTV Portal - Tree Styles
 * Modern Glassmorphism Design
 * 
 * Updated: January 2026
 */

/* Tree Stats - Glass Design */
.tree-stats {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tree-stat {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-purple) 100%);
    color: white;
    padding: 16px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    flex: 1;
    min-width: 120px;
    box-shadow: 0 4px 16px rgba(79, 125, 243, 0.3);
}

.tree-stat .number {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
}

.tree-stat .label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.9;
    font-weight: 600;
}

/* Tree Controls - Glass Design */
.tree-controls {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.tree-btn {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-secondary);
}

.tree-btn:hover {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(79, 125, 243, 0.3);
    color: var(--primary-blue);
}

/* Tree Wrapper - Modern Dark Glass Design */
.tree-wrapper {
    padding: 24px;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border-radius: var(--radius-xl);
    overflow-x: auto;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.tree-wrapper ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.tree-wrapper > ul > li {
    padding-left: 0;
}

.tree-wrapper li {
    padding-left: 24px;
    position: relative;
}

.tree-wrapper li::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 50%;
    width: 1px;
    background: rgba(255, 255, 255, 0.15);
}

.tree-wrapper li::after {
    content: '';
    position: absolute;
    left: 8px;
    top: 50%;
    width: 12px;
    height: 1px;
    background: rgba(255, 255, 255, 0.15);
}

.tree-wrapper > ul > li::before,
.tree-wrapper > ul > li::after {
    display: none;
}

/* Tree Node - Glass Design */
.tree-node {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    margin: 4px 0;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tree-node:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(79, 125, 243, 0.3);
}

.tree-node.has-children::before {
    content: '';
    width: 0;
    height: 0;
    border-left: 5px solid rgba(255, 255, 255, 0.8);
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
    transition: transform 0.2s ease;
}

.tree-node.has-children.expanded::before {
    transform: rotate(90deg);
}

.tree-children {
    margin-top: 4px;
}

.tree-children.collapsed {
    display: none;
}

/* Level Badges - Modern Colors */
.level-badge {
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: 700;
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.05);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.level-badge.l0 { background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%); color: white; }
.level-badge.l1 { background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%); color: white; }
.level-badge.l2 { background: linear-gradient(135deg, #10b981 0%, #059669 100%); color: white; }
.level-badge.l3 { background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%); color: white; }
.level-badge.l4 { background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%); color: white; }

/* Node Info */
.node-name {
    color: white;
    font-weight: 600;
    font-size: 14px;
}

.node-code {
    color: rgba(255, 255, 255, 0.55);
    font-size: 12px;
    font-family: 'SF Mono', 'Monaco', monospace;
}

.node-info {
    color: rgba(255, 255, 255, 0.45);
    font-size: 11px;
}

/* Cutoff Badge */
.cutoff-badge {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}