/* ==========================================================================
   DESIGN SYSTEM & HSL CONSTANTS
   ========================================================================== */
:root {
    --bg-base: hsl(222, 25%, 6%);
    --bg-sidebar: hsl(222, 25%, 9%);
    --bg-surface: hsl(222, 20%, 11%);
    --bg-card: hsla(222, 20%, 15%, 0.6);
    --border-color: hsla(215, 20%, 25%, 0.4);
    --text-primary: hsl(210, 20%, 98%);
    --text-secondary: hsl(210, 10%, 78%);
    --text-muted: hsl(210, 10%, 58%);
    
    /* Department Identity Colors */
    --color-sales: hsl(195, 95%, 50%);       /* Medical Cyan */
    --color-stock: hsl(270, 85%, 65%);       /* Purple */
    --color-oee: hsl(175, 90%, 45%);         /* Teal */
    --color-maint: hsl(38, 95%, 55%);        /* Warning Orange */
    --color-procure: hsl(85, 60%, 45%);      /* Olive Green */
    --color-logistic: hsl(210, 20%, 65%);     /* Steel Gray */
    --color-hr: hsl(12, 85%, 55%);            /* Coral Red */
    --color-rca: hsl(330, 85%, 60%);          /* RCA Crimson */
    --color-danger: hsl(0, 85%, 55%);        /* Red */
    
    --font-heading: 'Inter', 'Sarabun', sans-serif;
    --font-body: 'Sarabun', 'Inter', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   LAYOUT GRID & RESET
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-base);
    color: var(--text-secondary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow: hidden;
}

.layout-container {
    display: grid;
    grid-template-columns: 260px 1fr;
    height: 100vh;
    width: 100vw;
}

/* ==========================================================================
   SIDEBAR STYLING
   ========================================================================== */
.app-sidebar {
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 30px 20px;
    justify-content: space-between;
}

.sidebar-brand {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.back-home-container {
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.btn-back-home {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.btn-back-home:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border-color: var(--color-oee);
    transform: translateY(-1px);
}

.brand-badge {
    background: linear-gradient(135deg, var(--color-oee), var(--color-sales));
    color: hsl(222, 25%, 6%);
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.85rem;
    padding: 4px 10px;
    border-radius: 4px;
    width: fit-content;
    letter-spacing: 1px;
}

.brand-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-heading);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex-grow: 1;
    overflow-y: auto;
    padding-right: 4px;
}

.sidebar-nav::-webkit-scrollbar {
    width: 4px;
}

.sidebar-nav::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.nav-item {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 12px 16px;
    border-radius: 10px;
    cursor: pointer;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition-smooth);
}

.nav-item:hover {
    background-color: hsla(215, 20%, 25%, 0.2);
    color: var(--text-primary);
}

.nav-item.active {
    background-color: var(--border-color);
    color: var(--text-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.nav-icon {
    font-size: 1.1rem;
}

.sidebar-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.sidebar-footer p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.logo-by {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 600;
}

/* ==========================================================================
   CONTENT PANEL STYLING
   ========================================================================== */
.app-content {
    display: flex;
    flex-direction: column;
    padding: 30px;
    overflow-y: auto;
    height: 100vh;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.content-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.system-status-indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--color-oee);
    border-radius: 50%;
    margin-right: 8px;
    box-shadow: 0 0 8px var(--color-oee);
}

.system-status-text {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Tab Panels */
.tab-panel {
    display: none;
    animation: fade-in-panel 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.tab-panel.active {
    display: block;
}

@keyframes fade-in-panel {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   1. OVERVIEW DASHBOARD SPECIFIC STYLES
   ========================================================================== */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.kpi-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.kpi-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 700;
    background-color: var(--bg-base);
}

.icon-sales { color: var(--color-sales); }
.icon-stock { color: var(--color-stock); }
.icon-oee { color: var(--color-oee); }
.icon-downtime { color: var(--color-maint); }
.icon-procure { color: var(--color-procure); }
.icon-logistic { color: var(--color-logistic); }
.icon-hr-leaves { color: var(--color-hr); }
.icon-hr-attendance { color: var(--color-oee); }
.icon-rca { color: var(--color-rca); }

.kpi-details {
    display: flex;
    flex-direction: column;
}

.kpi-title {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
}

.kpi-value {
    font-size: 1.35rem;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-weight: 700;
    margin-top: 2px;
}

.dashboard-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-bottom: 25px;
}

.details-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.details-card h3 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 18px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.full-width-card {
    grid-column: span 2;
}

.alert-list-box {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 200px;
    overflow-y: auto;
}

.no-data-alert {
    font-size: 0.85rem;
    color: var(--color-oee);
    background-color: hsla(175, 90%, 45%, 0.05);
    border: 1px dashed var(--color-oee);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
}

.alert-item {
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.alert-item-title {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.alert-item-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Recent Logs Feed */
.recent-activities-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 250px;
    overflow-y: auto;
}

.recent-log-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid hsla(215, 20%, 25%, 0.2);
    padding-bottom: 8px;
    padding-top: 4px;
}

.log-time {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--text-muted);
    min-width: 60px;
}

.log-text {
    flex-grow: 1;
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 0 15px;
}

.log-dept {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
}

.log-dept.dept-sales { background-color: rgba(0, 188, 212, 0.15); color: var(--color-sales); }
.log-dept.dept-stock { background-color: rgba(156, 39, 176, 0.15); color: var(--color-stock); }
.log-dept.dept-production { background-color: rgba(0, 150, 136, 0.15); color: var(--color-oee); }
.log-dept.dept-maintenance { background-color: rgba(255, 152, 0, 0.15); color: var(--color-maint); }
.log-dept.dept-procurement { background-color: rgba(133, 180, 45, 0.15); color: var(--color-procure); }
.log-dept.dept-logistics { background-color: rgba(130, 160, 190, 0.15); color: var(--color-logistic); }
.log-dept.dept-hr { background-color: rgba(230, 70, 45, 0.15); color: var(--color-hr); }
.log-dept.dept-rca { background-color: rgba(233, 30, 99, 0.15); color: var(--color-rca); }

.no-data {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 20px;
}

/* ==========================================================================
   2. OPS FORMS & TABLES (SHARED LAYOUTS)
   ========================================================================== */
.ops-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 25px;
    margin-bottom: 30px;
}

.ops-form-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 25px;
}

.ops-form-card h3, .ai-prompt-card h4, .ops-table-card h3 {
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-bottom: 18px;
}

.ops-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 15px;
}

label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

input, select, textarea {
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-oee);
    box-shadow: 0 0 8px rgba(0, 150, 136, 0.15);
}

textarea {
    resize: none;
}

.ops-btn {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    padding: 11px;
    border-radius: 8px;
    cursor: pointer;
    border: none;
    transition: var(--transition-smooth);
    margin-top: 5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-oee), var(--color-sales));
    color: hsl(222, 25%, 6%);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(0, 150, 136, 0.25);
}

/* AI Prompt Card */
.ai-prompt-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 25px;
    display: flex;
    flex-direction: column;
}

.ai-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.ai-spark-icon {
    font-size: 1.2rem;
    color: var(--color-sales);
}

.ai-card-header h4 {
    margin-bottom: 0 !important;
}

.ai-card-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.ai-prompt-box {
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex-grow: 1;
    justify-content: space-between;
}

.ai-prompt-box code {
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.copy-prompt-btn {
    align-self: flex-end;
    background-color: var(--border-color);
    border: none;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.copy-prompt-btn:hover {
    background-color: var(--color-sales);
    color: hsl(222, 25%, 6%);
}

/* Tables Styling */
.ops-table-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.table-scroll {
    overflow-x: auto;
    width: 100%;
}

.ops-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.ops-table th {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-primary);
    border-bottom: 1.5px solid var(--border-color);
    padding: 12px;
    font-size: 0.85rem;
}

.ops-table td {
    padding: 12px;
    border-bottom: 1px solid hsla(215, 20%, 25%, 0.2);
    color: var(--text-secondary);
}

.ops-table tbody tr:hover td {
    background-color: hsla(215, 20%, 25%, 0.1);
    color: var(--text-primary);
}

/* Badges */
.badge {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
    display: inline-block;
}

/* Status: Pending, Sent, Invoiced / Assigned, Completed */
.badge-pending { background-color: rgba(255, 193, 7, 0.15); color: #ffc107; }
.badge-sent { background-color: rgba(33, 150, 243, 0.15); color: #2196f3; }
.badge-invoiced { background-color: rgba(0, 188, 212, 0.15); color: var(--color-sales); }
.badge-assigned { background-color: rgba(156, 39, 176, 0.15); color: var(--color-stock); }
.badge-completed { background-color: rgba(76, 175, 80, 0.15); color: var(--color-oee); }
.badge-low { background-color: rgba(244, 67, 54, 0.15); color: var(--color-danger); }
.badge-normal { background-color: rgba(76, 175, 80, 0.15); color: var(--color-oee); }

.priority-high { color: var(--color-danger); font-weight: bold; }
.priority-med { color: var(--color-maint); }
.priority-low { color: var(--text-muted); }

/* Row Action buttons */
.row-actions-flex {
    display: flex;
    gap: 6px;
}

.action-row-btn {
    border: none;
    font-size: 0.75rem;
    font-family: var(--font-heading);
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-smooth);
    background-color: var(--border-color);
    color: var(--text-primary);
}

.action-row-btn:hover {
    background-color: var(--text-muted);
}

.action-row-btn.btn-delete {
    background-color: rgba(244, 67, 54, 0.15);
    color: var(--color-danger);
}

.action-row-btn.btn-delete:hover {
    background-color: var(--color-danger);
    color: white;
}

.action-row-btn.btn-action-primary {
    background-color: rgba(0, 150, 136, 0.15);
    color: var(--color-oee);
}

.action-row-btn.btn-action-primary:hover {
    background-color: var(--color-oee);
    color: hsl(222, 25%, 6%);
}

/* OEE score highlight inside production table */
.oee-cell {
    font-weight: bold;
    font-family: var(--font-heading);
}
.oee-high { color: var(--color-oee); }
.oee-med { color: var(--color-maint); }
.oee-low { color: var(--color-danger); }

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .layout-container {
        grid-template-columns: 1fr;
    }
    .app-sidebar {
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    .sidebar-nav {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 10px;
    }
    .nav-item {
        white-space: nowrap;
    }
    .sidebar-footer {
        display: none;
    }
    .app-content {
        height: auto;
        overflow-y: visible;
    }
    .ops-grid {
        grid-template-columns: 1fr;
    }
    .dashboard-details-grid {
        grid-template-columns: 1fr;
    }
    .full-width-card {
        grid-column: span 1;
    }
}

/* ==========================================================================
   RCA & 5M CAUSAL TREE WORKSPACE STYLES
   ========================================================================== */
.rca-split-container {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 25px;
    height: calc(100vh - 120px);
    align-items: stretch;
}

.rca-list-pane {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    overflow-y: auto;
}

.rca-editor-pane {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 25px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.rca-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.rca-list-filter {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding-bottom: 5px;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-family: var(--font-heading);
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition-smooth);
}

.filter-btn.active, .filter-btn:hover {
    background-color: var(--color-rca);
    border-color: var(--color-rca);
    color: hsl(222, 25%, 6%);
    font-weight: 700;
}

.rca-issue-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
    flex-grow: 1;
}

.rca-issue-card {
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px 15px;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.rca-issue-card:hover {
    border-color: var(--color-rca);
    transform: translateY(-1px);
}

.rca-issue-card.active {
    border-color: var(--color-rca);
    box-shadow: 0 0 10px rgba(233, 30, 99, 0.2);
    background-color: rgba(233, 30, 99, 0.03);
}

.rca-card-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
}

.rca-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.badge-rca {
    background-color: rgba(233, 30, 99, 0.15);
    color: var(--color-rca);
}

.severity-high { color: var(--color-danger); font-weight: bold; }
.severity-medium { color: var(--color-maint); }
.severity-low { color: var(--text-muted); }

.rca-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    text-align: center;
    gap: 15px;
    padding: 40px;
}

.rca-empty-icon {
    font-size: 3rem;
}

.timeline-list {
    display: flex;
    flex-direction: column;
    position: relative;
    padding-left: 20px;
    margin-top: 15px;
    gap: 15px;
}

.timeline-list::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 5px;
    bottom: 5px;
    width: 2px;
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
}

.timeline-dot {
    position: absolute;
    left: -20px;
    top: 6px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--color-rca);
    border: 2px solid var(--bg-surface);
}

.timeline-time {
    font-size: 0.75rem;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-rca);
    margin-bottom: 2px;
}

.timeline-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.mindmap-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

/* Drag and Drop Mindmap Styles */
.mindmap-canvas-container {
    box-shadow: inset 0 4px 15px rgba(0, 0, 0, 0.4);
    background-color: hsl(222, 25%, 5%);
    border: 1px solid var(--border-color);
}

.mindmap-canvas {
    user-select: none;
    overflow: hidden;
}

/* Nodes */
.mindmap-draggable-node {
    position: absolute;
    width: 220px;
    background: hsla(222, 20%, 15%, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    z-index: 5;
    cursor: grab;
    transition: box-shadow 0.2s, border-color 0.2s;
}

.mindmap-draggable-node:hover {
    border-color: rgba(233, 30, 99, 0.6);
    box-shadow: 0 8px 25px rgba(233, 30, 99, 0.15);
}

.mindmap-draggable-node.dragging {
    cursor: grabbing;
    z-index: 100;
    border-color: var(--color-rca);
    box-shadow: 0 10px 30px rgba(233, 30, 99, 0.3);
}

/* Node Types & Color-by-Depth */
.mindmap-draggable-node.node-root {
    width: 160px;
    border-width: 2px;
    border-color: rgba(255, 255, 255, 0.25);
    background: hsla(222, 20%, 12%, 0.85);
}

.mindmap-draggable-node.node-root[data-root="man"] { border-color: var(--color-hr); }
.mindmap-draggable-node.node-root[data-root="machine"] { border-color: var(--color-maint); }
.mindmap-draggable-node.node-root[data-root="method"] { border-color: var(--color-sales); }
.mindmap-draggable-node.node-root[data-root="material"] { border-color: var(--color-stock); }
.mindmap-draggable-node.node-root[data-root="measurement"] { border-color: var(--color-procure); }

/* Depth-Based Colors for Single-Root RCA */
.mindmap-draggable-node.node-problem {
    border-color: hsl(210, 90%, 50%);
    background: hsla(210, 90%, 15%, 0.85);
    box-shadow: 0 0 15px hsla(210, 90%, 50%, 0.25), 0 8px 20px rgba(0, 0, 0, 0.4);
}
.mindmap-draggable-node.node-problem:hover,
.mindmap-draggable-node.node-problem.dragging {
    border-color: hsl(210, 100%, 60%);
    box-shadow: 0 0 25px hsla(210, 100%, 60%, 0.45), 0 10px 30px rgba(0, 0, 0, 0.5);
}

.mindmap-draggable-node.node-intermediate {
    border-color: hsl(45, 90%, 50%);
    background: hsla(45, 90%, 12%, 0.85);
    box-shadow: 0 0 12px hsla(45, 90%, 50%, 0.2), 0 8px 20px rgba(0, 0, 0, 0.4);
}
.mindmap-draggable-node.node-intermediate:hover,
.mindmap-draggable-node.node-intermediate.dragging {
    border-color: hsl(45, 100%, 60%);
    box-shadow: 0 0 20px hsla(45, 100%, 60%, 0.35), 0 10px 30px rgba(0, 0, 0, 0.5);
}

.mindmap-draggable-node.node-subcause {
    border-color: hsl(190, 85%, 50%);
    background: hsla(190, 85%, 12%, 0.85);
    box-shadow: 0 0 12px hsla(190, 85%, 50%, 0.2), 0 8px 20px rgba(0, 0, 0, 0.4);
}
.mindmap-draggable-node.node-subcause:hover,
.mindmap-draggable-node.node-subcause.dragging {
    border-color: hsl(190, 95%, 60%);
    box-shadow: 0 0 20px hsla(190, 95%, 60%, 0.35), 0 10px 30px rgba(0, 0, 0, 0.5);
}

.mindmap-draggable-node.node-rootcause {
    border-color: hsl(0, 85%, 55%);
    background: hsla(0, 85%, 15%, 0.85);
    box-shadow: 0 0 15px hsla(0, 85%, 55%, 0.25), 0 8px 20px rgba(0, 0, 0, 0.4);
}
.mindmap-draggable-node.node-rootcause:hover,
.mindmap-draggable-node.node-rootcause.dragging {
    border-color: hsl(0, 95%, 65%);
    box-shadow: 0 0 25px hsla(0, 95%, 65%, 0.45), 0 10px 30px rgba(0, 0, 0, 0.5);
}

.mindmap-draggable-node h4 {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 5px;
}

.mindmap-node-tag {
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 800;
    padding: 1px 5px;
    border-radius: 4px;
    background-color: var(--border-color);
    color: var(--text-secondary);
}

.node-root .mindmap-node-tag {
    background-color: rgba(255,255,255,0.1);
    color: var(--text-primary);
}

.mindmap-node-text {
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.4;
    word-break: break-word;
}

.mindmap-node-action-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.65rem;
    color: var(--color-oee);
    background-color: rgba(0, 150, 136, 0.15);
    border: 1px solid rgba(0, 150, 136, 0.3);
    padding: 2px 6px;
    border-radius: 4px;
    margin-top: 8px;
    font-weight: 700;
}

/* SVG Paths */
.mindmap-connection-line {
    fill: none;
    stroke: rgba(233, 30, 99, 0.35);
    stroke-width: 2.5px;
    transition: stroke 0.3s;
    marker-end: url(#arrow);
}

.mindmap-connection-line.active {
    stroke: var(--color-rca);
    stroke-width: 3.5px;
    filter: drop-shadow(0 0 5px var(--color-rca));
    marker-end: url(#arrow-active);
}

.ai-report-box {
    background-color: rgba(233, 30, 99, 0.04);
    border: 1px dashed rgba(233, 30, 99, 0.3);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 15px;
    animation: fade-in-panel 0.4s ease forwards;
}

.ai-report-header {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-rca);
    font-weight: 700;
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(233, 30, 99, 0.15);
    padding-bottom: 8px;
}

.ai-report-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ai-report-section {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ai-report-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-rca);
}

.ai-report-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.action-check-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 15px;
}

.action-check-item {
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

.action-check-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    flex-grow: 1;
}

.action-check-label input[type="checkbox"] {
    accent-color: var(--color-rca);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.action-check-label.completed span {
    text-decoration: line-through;
    color: var(--text-muted);
}

.action-check-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.action-owner {
    background-color: var(--border-color);
    color: var(--text-secondary);
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
}

/* Collapsible Focus Mode Classes */
.layout-container {
    transition: grid-template-columns 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.layout-container.main-sidebar-collapsed {
    grid-template-columns: 0px 1fr;
}

.layout-container.main-sidebar-collapsed .app-sidebar {
    display: none !important;
}

.rca-split-container {
    transition: grid-template-columns 0.3s cubic-bezier(0.4, 0, 0.2, 1), gap 0.3s ease;
}

.rca-split-container.sidebar-collapsed {
    grid-template-columns: 0px 1fr;
    gap: 0px;
}

.rca-split-container.sidebar-collapsed .rca-list-pane {
    display: none !important;
}

@media (max-width: 1200px) {
    .mindmap-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .rca-split-container {
        grid-template-columns: 1fr;
        height: auto;
    }
    .rca-split-container.sidebar-collapsed {
        grid-template-columns: 1fr;
    }
    .mindmap-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .mindmap-grid {
        grid-template-columns: 1fr;
    }
}