/* Group Diagram Styles
 * Visual representation of group relationships showing inclusion (nesting) and management (hover lines)
 *
 * Colour scheme: Simple neutral backgrounds with category colours reserved for badges only
 * - Containers: Slate backgrounds with subtle nesting progression
 * - Leaf nodes: White/light backgrounds with subtle borders
 * - Category badges: Coloured to identify category type
 */

/* Diagram wrapper */
.group-diagram-wrapper {
    overflow: visible;
}

.group-diagram-canvas {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: flex-start;
}

/* Container nodes (groups that include other groups) - neutral slate theme */
.group-container {
    background: rgba(248, 250, 252, 0.98); /* slate-50 */
    border: 2px solid #cbd5e1; /* slate-300 - default */
    border-radius: 1rem;
    padding: 1rem;
    min-width: 200px;
    transition: all 0.2s ease;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

/* Container border colour variants based on category */
.group-container[data-category-colour="gray"] { border-color: #9ca3af; }
.group-container[data-category-colour="red"] { border-color: #f87171; }
.group-container[data-category-colour="orange"] { border-color: #fb923c; }
.group-container[data-category-colour="amber"] { border-color: #fbbf24; }
.group-container[data-category-colour="yellow"] { border-color: #facc15; }
.group-container[data-category-colour="green"] { border-color: #4ade80; }
.group-container[data-category-colour="blue"] { border-color: #60a5fa; }
.group-container[data-category-colour="indigo"] { border-color: #a5b4fc; }
.group-container[data-category-colour="purple"] { border-color: #c084fc; }

.group-container-header {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(148, 163, 184, 0.3); /* slate-400 */
}

.group-container-header-top {
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.group-container-title {
    font-weight: 600;
    font-size: 0.875rem;
    color: #334155; /* slate-700 */
    text-decoration: none;
    transition: color 0.15s ease;
}

.group-container-title:hover {
    color: #1e293b; /* slate-800 */
    text-decoration: underline;
}

.group-container-content {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-start;
}

/* Nested containers - subtle slate progression for depth, preserving category border colours */
.group-container .group-container {
    background: rgba(241, 245, 249, 0.98); /* slate-100 */
}

.group-container .group-container .group-container {
    background: rgba(226, 232, 240, 0.95); /* slate-200 */
}

.group-container .group-container .group-container .group-container {
    background: rgba(203, 213, 225, 0.9); /* slate-300 */
}

/* Leaf nodes (groups without children) - clean white with shadow */
.group-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border: 2px solid #e2e8f0; /* slate-200 - default */
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    min-width: 120px;
    text-decoration: none;
    transition: all 0.15s ease;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

/* Leaf node border colour variants based on category */
.group-node[data-category-colour="gray"] { border-color: #9ca3af; }
.group-node[data-category-colour="red"] { border-color: #f87171; }
.group-node[data-category-colour="orange"] { border-color: #fb923c; }
.group-node[data-category-colour="amber"] { border-color: #fbbf24; }
.group-node[data-category-colour="yellow"] { border-color: #facc15; }
.group-node[data-category-colour="green"] { border-color: #4ade80; }
.group-node[data-category-colour="blue"] { border-color: #60a5fa; }
.group-node[data-category-colour="indigo"] { border-color: #a5b4fc; }
.group-node[data-category-colour="purple"] { border-color: #c084fc; }

.group-node:hover {
    background: #f8fafc; /* slate-50 */
    border-color: #94a3b8; /* slate-400 */
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.group-node-label {
    font-weight: 500;
    font-size: 0.875rem;
    color: #334155; /* slate-700 */
    text-align: center;
}

.group-node-members {
    font-size: 0.75rem;
    color: #64748b; /* slate-500 */
    margin-top: 0.25rem;
}

.group-member-count {
    font-size: 0.75rem;
    color: #64748b;
}

/* ==========================================
   Management arrows (SVG) - shown on hover
   ========================================== */

.management-arrow {
    stroke: #94a3b8;
    stroke-width: 2;
    fill: none;
    opacity: 0;
    transition: opacity 0.2s ease;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.management-arrow.visible {
    opacity: 1;
}

/* Line going TO groups this one manages (green - authority flowing down) */
.management-arrow.manages-line {
    stroke: #22c55e;
    stroke-width: 2.5;
}

/* Line coming FROM groups that manage this one (amber - authority from above) */
.management-arrow.managed-by-line {
    stroke: #f59e0b;
    stroke-width: 2.5;
}

/* ==========================================
   Highlight states for hovered relationships
   ========================================== */

/* Base highlight - remove any default shadows */
.group-node.management-highlight,
.group-container.management-highlight > .group-container-header {
    box-shadow: none;
}

/* Managed group highlight (this group manages them - green) */
.group-node.managed-by-hover {
    background: #dcfce7; /* green-100 */
    border-color: #22c55e;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.25);
}

/* Manager group highlight (this group is managed by them - amber) */
.group-node.manager-hover {
    background: #fef3c7; /* amber-100 */
    border-color: #f59e0b;
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.25);
}

/* Container highlight when managed by hovered group (green tint) */
.group-container.managed-by-hover,
.group-container .group-container.managed-by-hover,
.group-container .group-container .group-container.managed-by-hover,
.group-container .group-container .group-container .group-container.managed-by-hover {
    background: rgba(220, 252, 231, 0.7) !important; /* green-100 */
    border-color: #22c55e !important;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}

.group-container.managed-by-hover > .group-container-header {
    border-bottom-color: rgba(34, 197, 94, 0.4);
    box-shadow: none;
}

/* Container highlight when manager is hovered (amber tint) */
.group-container.manager-hover,
.group-container .group-container.manager-hover,
.group-container .group-container .group-container.manager-hover,
.group-container .group-container .group-container .group-container.manager-hover {
    background: rgba(254, 243, 199, 0.7) !important; /* amber-100 */
    border-color: #f59e0b !important;
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

.group-container.manager-hover > .group-container-header {
    border-bottom-color: rgba(245, 158, 11, 0.4);
    box-shadow: none;
}

/* Category badge base styles */
.group-category-badge {
    display: inline-flex;
    align-items: center;
    font-size: 0.625rem;
    font-weight: 600;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

/* Category colour variants - limited to available Tailwind colours */
.group-category-badge.category-gray {
    background: rgba(107, 114, 128, 0.12);
    color: #374151;
}
.group-category-badge.category-red {
    background: rgba(239, 68, 68, 0.12);
    color: #b91c1c;
}
.group-category-badge.category-orange {
    background: rgba(249, 115, 22, 0.12);
    color: #c2410c;
}
.group-category-badge.category-amber {
    background: rgba(245, 158, 11, 0.12);
    color: #b45309;
}
.group-category-badge.category-yellow {
    background: rgba(234, 179, 8, 0.12);
    color: #a16207;
}
.group-category-badge.category-green {
    background: rgba(34, 197, 94, 0.12);
    color: #15803d;
}
.group-category-badge.category-blue {
    background: rgba(59, 130, 246, 0.12);
    color: #1d4ed8;
}
.group-category-badge.category-indigo {
    background: rgba(99, 102, 241, 0.12);
    color: #4338ca;
}
.group-category-badge.category-purple {
    background: rgba(168, 85, 247, 0.12);
    color: #7e22ce;
}