/* style.css - Nested Fishbone Diagram */
:root {
  /* Default: Light Mode */
  --bg-primary: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-hover: #f1f5f9;
  --border-color: #cbd5e1;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --primary: #f59e0b;
  --primary-hover: #d97706;
  --accent: #0284c7;
  --danger: #ef4444;
  --success: #10b981;
  --canvas-bg: #f8fafc;
  --card-shadow: rgba(0, 0, 0, 0.08);

  /* Default Diagram Theme: Pure Classic (Garis & Font Hitam, Kotak Putih) */
  --badge-bg: #ffffff;
  --badge-border: #000000;
  --badge-text: #000000;
  --head-grad-start: #ffffff;
  --head-grad-end: #ffffff;
  --head-stroke: #000000;
  --line-color: #000000;
  --line-active: #2563eb;
}

[data-theme="dark"] {
  /* Dark Mode */
  --bg-primary: #0f172a;
  --bg-surface: #1e293b;
  --bg-surface-hover: #334155;
  --border-color: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #f59e0b;
  --primary-hover: #d97706;
  --accent: #38bdf8;
  --danger: #ef4444;
  --success: #10b981;
  --canvas-bg: #090d16;
  --card-shadow: rgba(0, 0, 0, 0.4);

  --line-color: #64748b;
  --line-active: #38bdf8;
}

/* ─── Diagram Themes ─────────────────────────────── */
/* 1. Modern Amber */
[data-diagram-theme="amber"] {
  --badge-bg: #f59e0b;
  --badge-border: #d97706;
  --badge-text: #ffffff;
  --head-grad-start: #ea580c;
  --head-grad-end: #f97316;
  --head-stroke: #c2410c;
  --line-color: #334155;
  --line-active: #0284c7;
}
[data-theme="dark"][data-diagram-theme="amber"] {
  --line-color: #64748b;
  --line-active: #38bdf8;
}

/* 2. Pure Classic (Klasik Asli Buku Teks / Koran - Garis & Font Hitam, Kotak Putih) */
[data-diagram-theme="pure_classic"] {
  --badge-bg: #ffffff;
  --badge-border: #000000;
  --badge-text: #000000;
  --head-grad-start: #ffffff;
  --head-grad-end: #ffffff;
  --head-stroke: #000000;
  --line-color: #000000;
  --line-active: #2563eb;
}
[data-diagram-theme="pure_classic"] .fishbone-node text {
  fill: #000000 !important;
}
[data-diagram-theme="pure_classic"] .head-text {
  fill: #000000 !important;
}
[data-diagram-theme="pure_classic"] .fishbone-head-path {
  fill: #ffffff !important;
  stroke: #000000 !important;
}
[data-diagram-theme="pure_classic"] .fishbone-tail-path {
  fill: #ffffff !important;
  stroke: #000000 !important;
}
[data-diagram-theme="pure_classic"] .fishbone-node.selected rect,
[data-diagram-theme="pure_classic"] .fishbone-node.selected .fishbone-head-path {
  stroke: #2563eb !important;
  stroke-width: 3px !important;
}
[data-theme="dark"][data-diagram-theme="pure_classic"] {
  --line-color: #000000;
}

/* 2. Classic Ishikawa */
[data-diagram-theme="classic"] {
  --badge-bg: #2563eb;
  --badge-border: #1d4ed8;
  --badge-text: #ffffff;
  --head-grad-start: #1e3a8a;
  --head-grad-end: #3b82f6;
  --head-stroke: #172554;
  --line-color: #1e293b;
  --line-active: #f59e0b;
}
[data-theme="dark"][data-diagram-theme="classic"] {
  --line-color: #60a5fa;
  --line-active: #fbbf24;
}

/* 3. Corporate Blue */
[data-diagram-theme="corporate"] {
  --badge-bg: #0284c7;
  --badge-border: #0369a1;
  --badge-text: #ffffff;
  --head-grad-start: #075985;
  --head-grad-end: #38bdf8;
  --head-stroke: #0c4a6e;
  --line-color: #475569;
  --line-active: #f97316;
}
[data-theme="dark"][data-diagram-theme="corporate"] {
  --line-color: #38bdf8;
  --line-active: #fb923c;
}

/* 4. Forest Emerald */
[data-diagram-theme="emerald"] {
  --badge-bg: #10b981;
  --badge-border: #059669;
  --badge-text: #ffffff;
  --head-grad-start: #047857;
  --head-grad-end: #34d399;
  --head-stroke: #064e3b;
  --line-color: #334155;
  --line-active: #eab308;
}
[data-theme="dark"][data-diagram-theme="emerald"] {
  --line-color: #34d399;
  --line-active: #facc15;
}

/* 5. Cyberpunk Neon */
[data-diagram-theme="cyberpunk"] {
  --badge-bg: #a855f7;
  --badge-border: #9333ea;
  --badge-text: #ffffff;
  --head-grad-start: #ec4899;
  --head-grad-end: #8b5cf6;
  --head-stroke: #be185d;
  --line-color: #06b6d4;
  --line-active: #f43f5e;
}
[data-theme="dark"][data-diagram-theme="cyberpunk"] {
  --line-color: #22d3ee;
  --line-active: #fb7185;
}

/* 6. Minimalist Mono */
[data-diagram-theme="minimalist"] {
  --badge-bg: #0f172a;
  --badge-border: #334155;
  --badge-text: #ffffff;
  --head-grad-start: #334155;
  --head-grad-end: #0f172a;
  --head-stroke: #020617;
  --line-color: #0f172a;
  --line-active: #dc2626;
}
[data-theme="dark"][data-diagram-theme="minimalist"] {
  --badge-bg: #f8fafc;
  --badge-border: #ffffff;
  --badge-text: #0f172a;
  --head-grad-start: #ffffff;
  --head-grad-end: #cbd5e1;
  --head-stroke: #ffffff;
  --line-color: #94a3b8;
  --line-active: #f87171;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Header */
header {
  height: 54px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  flex-shrink: 0;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  font-size: 24px;
}

.brand h1 {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand span {
  color: var(--primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

button {
  cursor: pointer;
  border: none;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  border-radius: 6px;
  padding: 6px 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.header-select-group {
  display: flex;
  align-items: center;
  gap: 4px;
}

.theme-select-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
}

.theme-dropdown {
  background: var(--bg-surface-hover);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 5px 8px;
  font-size: 11px;
  font-weight: 600;
  outline: none;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.15s ease;
}
.theme-dropdown:focus {
  border-color: var(--primary);
}

/* Dropdown Container for Unified Export */
.dropdown-container {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 10px 25px var(--card-shadow);
  padding: 6px;
  min-width: 175px;
  display: none;
  flex-direction: column;
  gap: 2px;
  z-index: 60;
}
.dropdown-menu.show {
  display: flex;
}

.dropdown-item {
  width: 100%;
  justify-content: flex-start;
  background: transparent;
  color: var(--text-main);
  border: none;
  border-radius: 5px;
  padding: 7px 10px;
  font-size: 11.5px;
  font-weight: 500;
  text-align: left;
}
.dropdown-item:hover {
  background: var(--bg-surface-hover);
  color: var(--primary);
}

.dropdown-divider {
  height: 1px;
  background: var(--border-color);
  margin: 4px 0;
}

.btn-xs {
  padding: 3px 8px;
  font-size: 11px;
  border-radius: 4px;
}

.btn-default {
  background: var(--bg-surface-hover);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}
.btn-default:hover {
  background: #475569;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
}
.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-prominent {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #ffffff;
  font-weight: 700;
  border: 1px solid #b45309;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.35);
}
.btn-prominent:hover {
  background: linear-gradient(135deg, #d97706, #b45309);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.55);
}

.btn-danger {
  background: #7f1d1d;
  color: #fecaca;
  border: 1px solid #991b1b;
}
.btn-danger:hover {
  background: var(--danger);
  color: #fff;
}

/* Main Layout */
.app-container {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
}

/* Sidebar Editor */
.sidebar {
  width: 340px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: width 0.2s ease;
  z-index: 5;
}

.sidebar.collapsed {
  width: 0;
  overflow: hidden;
  border-right: none;
}

.sidebar-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sidebar-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-help {
  font-size: 11px;
  color: var(--text-muted);
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.04);
  border-bottom: 1px solid var(--border-color);
  line-height: 1.4;
}

[data-theme="dark"] .sidebar-help {
  background: rgba(0, 0, 0, 0.2);
}

.editor-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
}

.tab-btn {
  flex: 1;
  background: transparent;
  color: var(--text-muted);
  border-radius: 0;
  padding: 8px;
  border-bottom: 2px solid transparent;
  font-size: 11px;
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: rgba(245, 158, 11, 0.05);
}

.editor-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 12px;
  overflow: hidden;
}

.outline-textarea {
  flex: 1;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-main);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 12px;
  line-height: 1.6;
  padding: 12px;
  resize: none;
  outline: none;
  white-space: pre;
}
.outline-textarea:focus {
  border-color: var(--primary);
}

/* Workspace Canvas */
.workspace {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  background: var(--canvas-bg);
}

.canvas-container {
  flex: 1;
  position: relative;
  overflow: hidden;
  cursor: grab;
  user-select: none;
}
.canvas-container:active {
  cursor: grabbing;
}

#fishbone-svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* Floating Toolbar */
.floating-toolbar {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--bg-surface);
  box-shadow: 0 4px 12px var(--card-shadow);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 4px;
  display: flex;
  gap: 4px;
  z-index: 4;
}

.tool-btn {
  background: transparent;
  color: var(--text-main);
  padding: 6px 10px;
  font-size: 12px;
}
.tool-btn:hover {
  background: var(--bg-surface-hover);
}

/* Node Action Toolbar on selection */
.selected-node-toolbar {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--bg-surface);
  box-shadow: 0 8px 24px var(--card-shadow);
  border: 1px solid var(--primary);
  border-radius: 8px;
  padding: 8px 12px;
  display: none;
  align-items: center;
  gap: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  z-index: 4;
}
.selected-node-toolbar.show {
  display: flex;
}

.selected-node-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Causality Panel */
.causality-panel {
  height: 170px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 5;
  transition: height 0.2s ease;
}

.causality-panel.minimized {
  height: 38px;
}

.panel-header {
  padding: 8px 16px;
  background: var(--bg-surface-hover);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  overflow: hidden;
  flex: 1;
}

.panel-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.causal-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
}
.causal-breadcrumbs::-webkit-scrollbar {
  display: none;
}

.breadcrumb-pill {
  padding: 2px 7px;
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}
.breadcrumb-pill:hover,
.breadcrumb-pill.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
[data-theme="dark"] .breadcrumb-pill {
  background: rgba(255, 255, 255, 0.05);
}

.breadcrumb-sep {
  color: var(--text-muted);
  font-size: 9px;
  opacity: 0.6;
}

.causality-tabs {
  display: flex;
  gap: 6px;
}

.causality-tab {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  font-size: 11px;
  border-radius: 4px;
  color: var(--text-muted);
}
.causality-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.panel-body {
  flex: 1;
  padding: 12px 20px;
  overflow-y: auto;
  font-size: 13px;
}

.empty-state {
  color: var(--text-muted);
  font-style: italic;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.causality-forward {
  background: rgba(2, 132, 199, 0.08);
  border-left: 3px solid var(--accent);
  padding: 10px 14px;
  border-radius: 4px;
  line-height: 1.6;
  font-size: 13px;
}

.causality-forward strong {
  color: var(--primary);
}

.causality-reverse-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.why-step {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 4px 8px;
  background: rgba(0, 0, 0, 0.03);
  border-radius: 4px;
}

[data-theme="dark"] .why-step {
  background: rgba(255, 255, 255, 0.03);
}

.why-q {
  color: var(--accent);
  font-weight: 600;
  min-width: 140px;
}

.why-a {
  color: var(--text-main);
}
.why-a strong {
  color: var(--primary);
}

/* SVG Elements Styling */
.fishbone-link {
  stroke: var(--line-color);
  stroke-width: 2.5;
  stroke-linecap: round;
  transition: stroke 0.2s, stroke-width 0.2s;
}

.fishbone-link.spine {
  stroke-width: 4;
}

.fishbone-link.highlighted {
  stroke: var(--line-active);
  stroke-width: 3.5;
  filter: drop-shadow(0 0 4px var(--line-active));
}

.fishbone-node {
  cursor: pointer;
}

.fishbone-node rect {
  fill: var(--badge-bg);
  stroke: var(--badge-border);
  stroke-width: 1.5;
  rx: 6px;
  ry: 6px;
  transition: all 0.15s ease;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.fishbone-node:hover rect {
  fill: #f59e0b;
  stroke: #ffffff;
  stroke-width: 2;
  filter: drop-shadow(0 4px 10px rgba(245, 158, 11, 0.5));
}

.fishbone-node.selected rect {
  stroke: #38bdf8;
  stroke-width: 3;
  filter: drop-shadow(0 0 12px #38bdf8);
}

.fishbone-node.in-path rect {
  fill: #d97706;
  stroke: #38bdf8;
  stroke-width: 2;
}

.fishbone-node text {
  fill: var(--badge-text);
  font-size: 11.5px;
  font-weight: 600;
  text-anchor: middle;
  dominant-baseline: central;
  pointer-events: none;
}

.fishbone-node.head text,
.head-text {
  font-size: 16px;
  font-weight: 700;
}

/* Fish Head SVG Elements */
.fishbone-head-path {
  fill: url(#fishHeadGrad);
  stroke: #ea580c;
  stroke-width: 2.5;
  filter: drop-shadow(0 4px 12px rgba(234, 88, 12, 0.45));
  transition: all 0.2s ease;
}

.fishbone-node.head:hover .fishbone-head-path {
  filter: drop-shadow(0 0 16px rgba(249, 115, 22, 0.85));
  stroke: #ffffff;
}

.fishbone-node.head.selected .fishbone-head-path {
  stroke: #38bdf8;
  stroke-width: 3.5;
  filter: drop-shadow(0 0 20px #38bdf8);
}

.fishbone-node tspan {
  text-anchor: middle;
}

/* Fish Tail Fin */
.fishbone-tail-path {
  fill: url(#fishHeadGrad);
  stroke: var(--badge-border);
  stroke-width: 2.5;
  stroke-linejoin: round;
  transition: all 0.2s ease;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.25));
}

.fishbone-junction-dot {
  fill: var(--line-color);
  transition: fill 0.2s, r 0.2s;
}

.fishbone-junction-dot.highlighted {
  fill: var(--line-active);
  filter: drop-shadow(0 0 4px var(--line-active));
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-surface);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 10px 30px var(--card-shadow);
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 200;
}
.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* Modal Dialog */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal-overlay.show {
  display: flex;
}

.modal-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  width: 380px;
  padding: 20px;
  box-shadow: 0 20px 40px var(--card-shadow);
}

.modal-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
}

.modal-input {
  width: 100%;
  background: var(--bg-surface-hover);
  border: 1.5px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-main);
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 16px;
  outline: none;
  transition: border-color 0.15s ease;
}
.modal-input:focus {
  border-color: var(--primary);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* Sidebar Close Button */
.sidebar-close-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  font-weight: 700;
  padding: 2px 6px;
  cursor: pointer;
  border-radius: 4px;
}
.sidebar-close-btn:hover {
  background: var(--bg-surface-hover);
  color: var(--text-main);
}

/* Mobile Outline Floating Action Button (Hidden on Desktop) */
.mobile-outline-fab {
  display: none;
}

/* ─── Mobile Responsive Styles ────────────────────────────── */
.sidebar-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(2px);
  z-index: 45;
}

@media (max-width: 768px) {
  header {
    height: auto;
    padding: 8px 12px;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .brand {
    justify-content: space-between;
  }

  .brand h1 {
    font-size: 14px;
  }

  .header-actions {
    overflow-x: auto;
    white-space: nowrap;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    scrollbar-width: none;
  }
  .header-actions::-webkit-scrollbar {
    display: none;
  }

  .header-actions button,
  .header-actions .theme-dropdown {
    flex-shrink: 0;
    padding: 5px 9px;
    font-size: 11px;
  }

  /* Sidebar Drawer on Mobile */
  .sidebar {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 86%;
    max-width: 320px;
    z-index: 50;
    box-shadow: 6px 0 30px rgba(0, 0, 0, 0.4);
    transform: translateX(0);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .sidebar.collapsed {
    transform: translateX(-100%);
    width: 86%;
    border-right: 1px solid var(--border-color);
  }

  .sidebar-close-btn {
    display: inline-block;
  }

  .sidebar-backdrop.show {
    display: block;
  }

  /* Floating Outline FAB on mobile (Mencolok dan mudah diakses) */
  .mobile-outline-fab {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    position: absolute;
    top: 14px;
    left: 14px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #ffffff;
    border: 1px solid #b45309;
    border-radius: 20px;
    padding: 8px 14px;
    font-size: 11.5px;
    font-weight: 700;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.45);
    z-index: 35;
    cursor: pointer;
    transition: all 0.2s ease;
    animation: pulseFab 2.5s infinite ease-in-out;
  }
  .mobile-outline-fab:hover {
    background: linear-gradient(135deg, #d97706, #b45309);
    box-shadow: 0 6px 18px rgba(245, 158, 11, 0.65);
  }
  @keyframes pulseFab {
    0%, 100% { transform: scale(1); box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4); }
    50% { transform: scale(1.04); box-shadow: 0 6px 20px rgba(245, 158, 11, 0.7); }
  }

  /* Floating toolbar on mobile */
  .floating-toolbar {
    top: auto;
    bottom: 185px;
    right: 10px;
    flex-direction: column;
    padding: 3px;
  }

  .floating-toolbar .tool-btn {
    padding: 6px 8px;
  }

  /* Selected node toolbar on mobile */
  .selected-node-toolbar {
    top: 8px;
    left: 8px;
    right: 8px;
    max-width: calc(100% - 16px);
    flex-wrap: wrap;
    gap: 6px;
    padding: 6px 10px;
  }

  .selected-node-label {
    max-width: 100px;
  }

  /* Causality panel on mobile */
  .causality-panel {
    height: 180px;
  }

  .causality-panel.minimized {
    height: 38px;
  }

  .panel-header {
    padding: 6px 12px;
    flex-wrap: wrap;
    gap: 6px;
  }

  .panel-title {
    font-size: 11px;
  }

  .causality-tabs {
    overflow-x: auto;
    max-width: 100%;
    scrollbar-width: none;
  }
  .causality-tabs::-webkit-scrollbar {
    display: none;
  }

  .causality-tab {
    font-size: 10px;
    padding: 3px 6px;
    white-space: nowrap;
    flex-shrink: 0;
  }

  /* Modal on mobile */
  .modal-box {
    width: 92%;
    max-width: 340px;
    padding: 16px;
  }
}