/* ==========================================
   CANVAS. — Visual Checklist Builder
   Professional UI/UX Stylesheet
   ========================================== */
:root {
  --bg-deep: #0a0a0f;
  --bg-surface: #111118;
  --bg-surface-2: #16161f;
  --bg-glass: rgba(22, 22, 35, 0.75);
  --bg-glass-hover: rgba(28, 28, 45, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-medium: rgba(255, 255, 255, 0.1);
  --border-glow: rgba(219, 0, 17, 0.35);
  --text-primary: #e8e8f0;
  --text-secondary: #a0a0b8;
  --text-muted: #6b6b80;
  --accent: #db0011;
  --accent-glow: rgba(219, 0, 17, 0.4);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.3);
  --node-choice: #8b5cf6;
  --node-decision: #f97316;
  --node-message: #06b6d4;
  --node-copybox: #10b981;
  --node-link: #2563eb;
  --node-setvar: #d946ef;
  --node-email: #0ea5e9;
  --node-download: #eab308;
  --node-input: #ef4444;
  --node-end: #6b7280;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px var(--accent-glow);
  --transition-fast: 0.15s ease;
  --transition-smooth: 0.25s ease;
  --font-mono:
    "SF Mono", "Cascadia Code", "Fira Code", "JetBrains Mono", monospace;
}
/* ---- Light Mode ---- */
html.light-mode {
  --bg-deep: #f5f6f8;
  --bg-surface: #ffffff;
  --bg-surface-2: #f0f2f5;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-glass-hover: rgba(255, 255, 255, 0.95);
  --border-subtle: rgba(0, 0, 0, 0.06);
  --border-medium: rgba(0, 0, 0, 0.1);
  --border-glow: rgba(219, 0, 17, 0.3);
  --text-primary: #1a1a2e;
  --text-secondary: #4a4a6a;
  --text-muted: #888;
  --accent: #db0011;
  --accent-glow: rgba(219, 0, 17, 0.25);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --danger-glow: rgba(239, 68, 68, 0.25);
  /* Keep node colours unchanged */
}

/* Adjust the grid dots to be darker in light mode */
html.light-mode .bg-grid {
  background-image: radial-gradient(
    circle,
    rgba(0, 0, 0, 0.05) 1px,
    transparent 1px
  );
}

/* ----- Light‑mode overrides for node type badges & palette icons ----- */
html.light-mode .palette-node-icon {
  color: #333 !important;
  background-color: rgba(0, 0, 0, 0.06) !important;
}

/* Per‑type palette icon colours (using node‑type colour variables) */
html.light-mode .palette-node[data-type="choice"] .palette-node-icon {
  color: var(--node-choice) !important;
  background: rgba(139, 92, 246, 0.15) !important;
}
html.light-mode .palette-node[data-type="decision"] .palette-node-icon {
  color: var(--node-decision) !important;
  background: rgba(249, 115, 22, 0.15) !important;
}
html.light-mode .palette-node[data-type="message"] .palette-node-icon {
  color: var(--node-message) !important;
  background: rgba(6, 182, 212, 0.15) !important;
}
html.light-mode .palette-node[data-type="copybox"] .palette-node-icon {
  color: var(--node-copybox) !important;
  background: rgba(16, 185, 129, 0.15) !important;
}
html.light-mode .palette-node[data-type="link"] .palette-node-icon {
  color: var(--node-link) !important;
  background: rgba(37, 99, 235, 0.15) !important;
}
html.light-mode .palette-node[data-type="setvar"] .palette-node-icon {
  color: var(--node-setvar) !important;
  background: rgba(217, 70, 239, 0.15) !important;
}
html.light-mode .palette-node[data-type="email"] .palette-node-icon {
  color: var(--node-email) !important;
  background: rgba(14, 165, 233, 0.15) !important;
}
html.light-mode .palette-node[data-type="download"] .palette-node-icon {
  color: var(--node-download) !important;
  background: rgba(234, 179, 8, 0.15) !important;
}
html.light-mode .palette-node[data-type="input"] .palette-node-icon {
  color: var(--node-input) !important;
  background: rgba(239, 68, 68, 0.15) !important;
}
html.light-mode .palette-node[data-type="end"] .palette-node-icon {
  color: var(--node-end) !important;
  background: rgba(107, 114, 128, 0.15) !important;
}
/* Node type badges – darker text, slightly more opaque background */
html.light-mode .node-choice .node-type-badge {
  background: rgba(139, 92, 246, 0.15);
  color: var(--node-choice);
}
html.light-mode .node-decision .node-type-badge {
  background: rgba(249, 115, 22, 0.15);
  color: var(--node-decision);
}
html.light-mode .node-message .node-type-badge {
  background: rgba(6, 182, 212, 0.15);
  color: var(--node-message);
}
html.light-mode .node-copybox .node-type-badge {
  background: rgba(16, 185, 129, 0.15);
  color: var(--node-copybox);
}
html.light-mode .node-link .node-type-badge {
  background: rgba(37, 99, 235, 0.15);
  color: var(--node-link);
}
html.light-mode .node-setvar .node-type-badge {
  background: rgba(217, 70, 239, 0.15);
  color: var(--node-setvar);
}
html.light-mode .node-email .node-type-badge {
  background: rgba(14, 165, 233, 0.15);
  color: var(--node-email);
}
html.light-mode .node-download .node-type-badge {
  background: rgba(234, 179, 8, 0.15);
  color: var(--node-download);
}
html.light-mode .node-input .node-type-badge {
  background: rgba(239, 68, 68, 0.15);
  color: var(--node-input);
}
html.light-mode .node-end .node-type-badge {
  background: rgba(107, 114, 128, 0.15);
  color: var(--node-end);
}

/* Message variant badges (they appear on the canvas node headers) */
html.light-mode .variant-pill {
  color: inherit;
}
html.light-mode .variant-info .node-type-badge {
  background: rgba(59, 130, 246, 0.15);
  color: var(--node-message);
}
html.light-mode .variant-success .node-type-badge {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
}
html.light-mode .variant-warning .node-type-badge {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
}
html.light-mode .variant-error .node-type-badge {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
}
html.light-mode .variant-action .node-type-badge {
  background: rgba(139, 92, 246, 0.15);
  color: #8b5cf6;
}

/* Reduce orb intensity in light mode */
html.light-mode .orb {
  opacity: 0.1;
}

/* Additional light‑mode fixes for readability and modal appearance */
html.light-mode .mode-btn-step {
  color: #b91c1c !important;
}
html.light-mode .mode-btn-linear {
  color: #047857 !important;
}
html.light-mode .mode-btn-chat {
  color: #1e40af !important;
}

html.light-mode .runtime-modal .modal-body {
  background: var(--bg-surface);
  border-bottom-left-radius: var(--radius-xl);
  border-bottom-right-radius: var(--radius-xl);
}

html.light-mode .runtime-modal.variant-info {
  background: rgba(59, 130, 246, 0.06);
}

html.light-mode .runtime-link-btn,
html.light-mode .chat-link-btn {
  border-color: var(--node-link);
  color: var(--node-link);
  background: rgba(37, 99, 235, 0.05);
}
html.light-mode .runtime-link-btn:hover,
html.light-mode .chat-link-btn:hover {
  background: rgba(37, 99, 235, 0.12);
  border-color: #1d4ed8;
  color: #1d4ed8;
  box-shadow: 0 0 8px rgba(37, 99, 235, 0.25);
}
html.light-mode .chat-bubble.info {
  color: #1e3a5f;
}
html.light-mode .chat-bubble.success {
  color: #064e3b;
}
html.light-mode .chat-bubble.warning {
  color: #78350f;
}
html.light-mode .chat-bubble.error {
  color: #7f1d1d;
}
html.light-mode .chat-bubble.action {
  color: #4c1d95;
}

html.light-mode .modal-navbar,
html.light-mode .runtime-modal .navbar,
html.light-mode .runtime-panel-header.navbar {
  border-top-left-radius: var(--radius-xl);
  border-top-right-radius: var(--radius-xl);
  overflow: hidden;
}
html.light-mode .node-option-chip {
  background: rgba(0, 0, 0, 0.06); /* dark translucent background */
  border-color: rgba(0, 0, 0, 0.12); /* visible border */
  color: var(--text-secondary); /* dark text, already #4a4a6a */
}
/* ======= Palette Icon Defaults (using data-type) ======= */
.palette-node-icon {
  color: #aaa; /* fallback */
  background: rgba(255, 255, 255, 0.1);
}
.palette-node[data-type="choice"] .palette-node-icon {
  color: var(--node-choice);
  background: rgba(139, 92, 246, 0.3);
}
.palette-node[data-type="decision"] .palette-node-icon {
  color: var(--node-decision);
  background: rgba(249, 115, 22, 0.3);
}
.palette-node[data-type="message"] .palette-node-icon {
  color: var(--node-message);
  background: rgba(6, 182, 212, 0.3);
}
.palette-node[data-type="copybox"] .palette-node-icon {
  color: var(--node-copybox);
  background: rgba(16, 185, 129, 0.3);
}
.palette-node[data-type="link"] .palette-node-icon {
  color: var(--node-link);
  background: rgba(37, 99, 235, 0.3);
}
.palette-node[data-type="setvar"] .palette-node-icon {
  color: var(--node-setvar);
  background: rgba(217, 70, 239, 0.3);
}
.palette-node[data-type="email"] .palette-node-icon {
  color: var(--node-email);
  background: rgba(14, 165, 233, 0.3);
}
.palette-node[data-type="download"] .palette-node-icon {
  color: var(--node-download);
  background: rgba(234, 179, 8, 0.3);
}
.palette-node[data-type="input"] .palette-node-icon {
  color: var(--node-input);
  background: rgba(239, 68, 68, 0.3);
}
.palette-node[data-type="end"] .palette-node-icon {
  color: var(--node-end);
  background: rgba(107, 114, 128, 0.3);
}

/* ======= Base Styles ======= */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  user-select: none;
  -webkit-user-select: none;
}

/* ---- Animated Background ---- */
.bg-orbs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
  animation: orbFloat 20s infinite ease-in-out;
}
.orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(219, 0, 17, 0.45), transparent 70%);
  top: -15%;
  left: -10%;
  animation-delay: 0s;
}
.orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(180, 0, 10, 0.4), transparent 70%);
  bottom: -15%;
  right: -8%;
  animation-delay: -7s;
}
.orb-3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(219, 0, 17, 0.3), transparent 70%);
  top: 50%;
  left: 40%;
  animation-delay: -14s;
}
.orb-4 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(150, 0, 10, 0.25), transparent 70%);
  top: 30%;
  right: 20%;
  animation-delay: -3s;
}
@keyframes orbFloat {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(40px, -30px) scale(1.05);
  }
  50% {
    transform: translate(-20px, 25px) scale(0.95);
  }
  75% {
    transform: translate(-35px, -15px) scale(1.02);
  }
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.025) 1px,
    transparent 1px
  );
  background-size: 24px 24px;
  opacity: 0.5;
}

.app-container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
}

/* ---- Header ---- */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 20px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 100;
  flex-shrink: 0;
  gap: 16px;
}
.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo {
  display: flex;
  align-items: baseline;
  gap: 0;
}
.logo-wordmark {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
.badge {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  background: rgba(219, 0, 17, 0.18);
  color: var(--accent);
  letter-spacing: 0.03em;
}
.header-center {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}
.header-divider {
  width: 1px;
  height: 20px;
  background: var(--border-medium);
  margin: 0 8px;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.zoom-level {
  font-size: 0.75rem;
  color: var(--text-secondary);
  min-width: 36px;
  text-align: center;
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
  letter-spacing: 0.01em;
  outline: none;
  position: relative;
  line-height: 1.2;
}
.btn:active {
  transform: scale(0.97);
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 2px 8px var(--accent-glow);
}
.btn-primary:hover {
  background: #c0000f;
  box-shadow: 0 4px 14px var(--accent-glow);
}
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-medium);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border-glow);
}
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
}
.btn-danger {
  background: rgba(239, 68, 68, 0.12);
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.25);
}
.btn-danger:hover {
  background: rgba(239, 68, 68, 0.2);
  box-shadow: 0 2px 8px var(--danger-glow);
}
.btn-icon {
  padding: 6px 10px;
  font-size: 1rem;
  font-weight: 600;
  min-width: 32px;
  justify-content: center;
}
.btn-sm {
  padding: 5px 10px;
  font-size: 0.72rem;
}
.btn-full {
  width: 100%;
  justify-content: center;
  padding: 10px 16px;
  font-size: 0.85rem;
}
#btnZoom100 {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 8px;
  margin: 0 2px;
}

/* ---- Main Content ---- */
.main-content {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
}

/* ---- Sidebar ---- */
.sidebar {
  width: 200px;
  flex-shrink: 0;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  z-index: 50;
  overflow-y: auto;
}
.sidebar-header {
  padding: 16px 16px 8px;
}
.sidebar-header h3 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}
.sidebar-subtitle {
  font-size: 0.65rem;
  color: var(--text-muted);
}
.node-palette {
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}
.palette-node {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: grab;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.02);
}
.palette-node:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-medium);
  transform: translateX(2px);
}
.palette-node:active {
  cursor: grabbing;
  transform: scale(0.98);
}
.palette-node-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.palette-node-name {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
  display: block;
}
.palette-node-desc {
  font-size: 0.62rem;
  color: var(--text-muted);
  display: block;
}
.sidebar-footer {
  padding: 10px 14px;
  border-top: 1px solid var(--border-subtle);
}

/* ---- Canvas ---- */
.canvas-container {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: transparent;
  cursor: default;
}
.canvas-container:active {
  cursor: default;
}
.canvas-container.panning {
  cursor: grabbing;
}
.canvas-workspace {
  position: absolute;
  top: 0;
  left: 0;
  width: 9999999px;
  height: 9999999px;
  transform-origin: 0 0;
  transition: none;
}
.canvas-workspace.animating {
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.connections-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}
.connections-svg path {
  pointer-events: stroke;
  cursor: pointer;
}
.nodes-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}
.drag-line-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 10;
}

/* ---- Canvas Nodes ---- */
.canvas-node {
  position: absolute;
  min-width: 170px;
  max-width: 240px;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  cursor: grab;
  pointer-events: all;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
  z-index: 3;
  box-shadow: var(--shadow-sm);
}
.canvas-node:hover {
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-md);
}
.canvas-node.selected {
  z-index: 5;
  border-color: transparent !important;
}

/* Node‑type selected glows */
.canvas-node.node-choice.selected {
  border-color: var(--node-choice) !important;
  box-shadow:
    var(--shadow-lg),
    0 0 20px rgba(139, 92, 246, 0.35),
    0 0 0 4px rgba(139, 92, 246, 0.12) !important;
}
.canvas-node.node-decision.selected {
  border-color: var(--node-decision) !important;
  box-shadow:
    var(--shadow-lg),
    0 0 20px rgba(249, 115, 22, 0.35),
    0 0 0 4px rgba(249, 115, 22, 0.12) !important;
}
.canvas-node.node-message.selected {
  border-color: var(--node-message) !important;
  box-shadow:
    var(--shadow-lg),
    0 0 20px rgba(6, 182, 212, 0.35),
    0 0 0 4px rgba(6, 182, 212, 0.12) !important;
}
.canvas-node.node-copybox.selected {
  border-color: var(--node-copybox) !important;
  box-shadow:
    var(--shadow-lg),
    0 0 20px rgba(16, 185, 129, 0.35),
    0 0 0 4px rgba(16, 185, 129, 0.12) !important;
}
.canvas-node.node-link.selected {
  border-color: var(--node-link) !important;
  box-shadow:
    var(--shadow-lg),
    0 0 20px rgba(37, 99, 235, 0.35),
    0 0 0 4px rgba(37, 99, 235, 0.12) !important;
}
.canvas-node.node-setvar.selected {
  border-color: var(--node-setvar) !important;
  box-shadow:
    var(--shadow-lg),
    0 0 20px rgba(217, 70, 239, 0.35),
    0 0 0 4px rgba(217, 70, 239, 0.12) !important;
}
.canvas-node.node-email.selected {
  border-color: var(--node-email) !important;
  box-shadow:
    var(--shadow-lg),
    0 0 20px rgba(14, 165, 233, 0.35),
    0 0 0 4px rgba(14, 165, 233, 0.12) !important;
}
.canvas-node.node-download.selected {
  border-color: var(--node-download) !important;
  box-shadow:
    var(--shadow-lg),
    0 0 20px rgba(234, 179, 8, 0.35),
    0 0 0 4px rgba(234, 179, 8, 0.12) !important;
}
.canvas-node.node-input.selected {
  border-color: var(--node-input) !important;
  box-shadow:
    var(--shadow-lg),
    0 0 20px rgba(239, 68, 68, 0.35),
    0 0 0 4px rgba(239, 68, 68, 0.12) !important;
}
.canvas-node.node-end.selected {
  border-color: var(--node-end) !important;
  box-shadow:
    var(--shadow-lg),
    0 0 20px rgba(107, 114, 128, 0.35),
    0 0 0 4px rgba(107, 114, 128, 0.12) !important;
}

.canvas-node.dragging {
  cursor: grabbing;
  box-shadow:
    var(--shadow-lg),
    0 0 25px rgba(219, 0, 17, 0.25);
  z-index: 6;
  opacity: 0.95;
  transition: none;
}

/* Left border accents */
.canvas-node.node-choice {
  border-left: 3px solid var(--node-choice);
}
.canvas-node.node-message {
  border-left: 3px solid var(--node-message);
}
.canvas-node.node-input {
  border-left: 3px solid var(--node-input);
}

.canvas-node.node-end {
  border-left: 3px solid var(--node-end);
}
.canvas-node.node-decision {
  border-left: 3px solid var(--node-decision);
}
.canvas-node.node-copybox {
  border-left: 3px solid var(--node-copybox);
}
.canvas-node.node-link {
  border-left: 3px solid var(--node-link);
}
.canvas-node.node-setvar {
  border-left: 3px solid var(--node-setvar);
}
.canvas-node.node-email {
  border-left: 3px solid var(--node-email);
}

.node-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.node-type-badge {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 7px;
  border-radius: 10px;
}

/* Badge colours */
.node-choice .node-type-badge {
  background: rgba(139, 92, 246, 0.2);
  color: #c4b5fd;
}
.node-decision .node-type-badge {
  background: rgba(249, 115, 22, 0.2);
  color: #fdba74;
}
.node-message .node-type-badge {
  background: rgba(6, 182, 212, 0.2);
  color: #67e8f9;
}
.node-copybox .node-type-badge {
  background: rgba(16, 185, 129, 0.2);
  color: #6ee7b7;
}
.node-link .node-type-badge {
  background: rgba(37, 99, 235, 0.2);
  color: #93bbfd;
}
.node-setvar .node-type-badge {
  background: rgba(217, 70, 239, 0.2);
  color: #f0abfc;
}
.node-email .node-type-badge {
  background: rgba(14, 165, 233, 0.2);
  color: #7dd3fc;
}
.node-download .node-type-badge {
  background: rgba(234, 179, 8, 0.2);
  color: #fde047;
}
.node-input .node-type-badge {
  background: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
}
.node-end .node-type-badge {
  background: rgba(107, 114, 128, 0.2);
  color: #d1d5db;
}
.node-id-label {
  font-size: 0.6rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-left: auto;
}
.node-text-preview {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.4;
  word-break: break-word;
  white-space: pre-wrap;
}
.node-options-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}
.node-option-chip {
  font-size: 0.6rem;
  padding: 2px 7px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.06);
  white-space: nowrap; /* keep on one line */
  overflow: hidden; /* hide the overflow */
  text-overflow: ellipsis; /* show '…' when truncated */
  max-width: 100%; /* stay within the node */
  display: inline-block;
}
.node-link-chip {
  color: #93bbfd;
  border-color: rgba(37, 99, 235, 0.3);
}

.runtime-link-btn,
.chat-link-btn {
  border-color: var(--node-link);
  color: #93bbfd;
}
.runtime-link-btn:hover,
.chat-link-btn:hover {
  background: rgba(37, 99, 235, 0.08);
  border-color: #60a5fa;
  box-shadow: 0 0 8px rgba(37, 99, 235, 0.3);
}

/* Node ports */
.node-port {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-surface-2);
  border: 2px solid var(--border-medium);
  cursor: crosshair;
  transition: all var(--transition-fast);
  z-index: 7;
  pointer-events: all;
}
.node-port:hover {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
  transform: scale(1.25);
}
.node-port.port-in {
  left: -7px;
  top: 50%;
  transform: translateY(-50%);
}
.node-port.port-in:hover {
  transform: translateY(-50%) scale(1.25);
}
.node-port.port-out {
  right: -7px;
  top: 50%;
  transform: translateY(-50%);
}
.node-port.port-out:hover {
  transform: translateY(-50%) scale(1.25);
}
.node-option-port {
  position: absolute;
  right: -7px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--bg-surface-2);
  border: 2px solid var(--border-medium);
  cursor: crosshair;
  pointer-events: all;
  transition: all var(--transition-fast);
  z-index: 7;
}
.node-option-port:hover {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
  transform: scale(1.25);
}
.node-option-port-label {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.55rem;
  color: var(--text-muted);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.node-option-port:hover .node-option-port-label {
  opacity: 1;
}
.decision-port-label {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--text-secondary);
  pointer-events: none;
  opacity: 0.8;
}

/* Message variants */
.canvas-node.variant-info {
  border-left-color: #3b82f6;
  background: rgba(59, 130, 246, 0.06);
}
.canvas-node.variant-success {
  border-left-color: #10b981;
  background: rgba(16, 185, 129, 0.06);
}
.canvas-node.variant-warning {
  border-left-color: #f59e0b;
  background: rgba(245, 158, 11, 0.06);
}
.canvas-node.variant-error {
  border-left-color: #ef4444;
  background: rgba(239, 68, 68, 0.06);
}
.canvas-node.variant-action {
  border-left-color: #8b5cf6;
  background: rgba(139, 92, 246, 0.06);
}
.variant-info .node-type-badge {
  background: rgba(59, 130, 246, 0.2);
  color: #93c5fd;
}
.variant-success .node-type-badge {
  background: rgba(16, 185, 129, 0.2);
  color: #6ee7b7;
}
.variant-warning .node-type-badge {
  background: rgba(245, 158, 11, 0.2);
  color: #fcd34d;
}
.variant-error .node-type-badge {
  background: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
}
.variant-action .node-type-badge {
  background: rgba(139, 92, 246, 0.2);
  color: #c4b5fd;
}

/* SVG connections */
.connection-path {
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  transition: stroke var(--transition-fast);
}

/* ---- Editor Panel ---- */
.editor-panel {
  width: 280px;
  flex-shrink: 0;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-left: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  z-index: 50;
  transition:
    transform var(--transition-smooth),
    opacity var(--transition-smooth);
  overflow-y: auto;
}
.editor-panel.collapsed {
  transform: translateX(100%);
  opacity: 0;
  pointer-events: none;
}
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-subtle);
}
.panel-header h3 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}
.panel-body {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
}
.panel-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 12px;
  color: var(--text-muted);
  text-align: center;
}
.panel-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.form-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
}
.form-input,
.form-textarea {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-medium);
  background-color: var(--bg-surface-2);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.8rem;
  transition: all var(--transition-fast);
  outline: none;
  resize: vertical;
}
.form-textarea {
  min-height: auto;
}
.form-select {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-medium);
  background-color: var(--bg-surface-2);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.8rem;
  transition: all var(--transition-fast);
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a0a0b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}
.form-select option {
  background-color: var(--bg-surface-2);
  color: var(--text-primary);
}
.panel-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  gap: 8px;
}
.option-row {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: nowrap;
  min-width: 0;
}
.option-row .form-input {
  flex: 1 1 0%;
  min-width: 0;
}
.option-row input[data-opt-field="next"] {
  flex: 0.45 !important;
  min-width: 55px;
}
.btn-remove-option {
  padding: 4px 8px;
  font-size: 0.7rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(239, 68, 68, 0.25);
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
  transition: all var(--transition-fast);
  line-height: 1;
}
.btn-remove-option:hover {
  background: rgba(239, 68, 68, 0.2);
}
.btn-add-option {
  padding: 6px 12px;
  font-size: 0.72rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border-medium);
  background: transparent;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  text-align: center;
  width: 100%;
  margin-top: 6px;
}
.btn-add-option:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(219, 0, 17, 0.06);
}

/* ---- Minimap ---- */
.minimap {
  position: absolute;
  bottom: 16px;
  right: 16px;
  width: 150px;
  height: 110px;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  overflow: hidden;
  z-index: 40;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}
.minimap:hover {
  transform: scale(1.04);
  box-shadow: var(--shadow-lg);
}
.minimap canvas {
  width: 100%;
  height: 100%;
  display: block;
}
.minimap-viewport {
  position: absolute;
  border: 1.5px solid var(--accent);
  border-radius: 3px;
  background: rgba(219, 0, 17, 0.08);
  pointer-events: none;
}

/* ---- Modals ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease-out;
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  box-shadow:
    var(--shadow-lg),
    0 0 50px rgba(0, 0, 0, 0.5);
  max-width: 520px;
  width: 90%;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  animation: modalSlideIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes modalSlideIn {
  from {
    transform: translateY(25px) scale(0.96);
    opacity: 0;
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
}
.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

/* Runtime modal (Step) */
.runtime-modal .modal-body {
  min-height: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px;
}
.runtime-question {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  white-space: pre-wrap;
}
.runtime-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.runtime-option-btn {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-medium);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  text-align: left;
}
.runtime-option-btn:hover {
  background: rgba(219, 0, 17, 0.12);
  border-color: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}
.runtime-input {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-medium);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
}
.runtime-submit-btn {
  padding: 10px 20px;
  border-radius: var(--radius-md);
  background: var(--accent);
  color: #fff;
  border: none;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 10px var(--accent-glow);
  transition:
    background var(--transition-fast),
    box-shadow var(--transition-fast);
}
.runtime-submit-btn:hover {
  background: #c0000f;
  box-shadow: 0 4px 15px var(--accent-glow);
}
.runtime-end-message {
  text-align: center;
  padding: 30px;
  color: var(--success);
}
.progress-dots {
  display: none;
}

/* Copy box runtime */
.runtime-copy-block {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin: 8px 0;
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text-secondary);
  font-family: inherit;
}
.btn-copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-medium);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: 6px;
}
.btn-copy:hover {
  background: rgba(219, 0, 17, 0.12);
  border-color: var(--accent);
}
.btn-copy.copied {
  background: rgba(16, 185, 129, 0.15);
  border-color: var(--success);
  color: var(--success);
}

/* Import modal */
.import-modal {
  max-width: 500px;
}
.import-dropzone {
  border: 2px dashed var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-secondary);
}
.import-dropzone:hover {
  border-color: var(--accent);
  background: rgba(219, 0, 17, 0.03);
}
.import-dropzone.dragover {
  border-color: var(--accent);
  background: rgba(219, 0, 17, 0.08);
  box-shadow: 0 0 20px rgba(219, 0, 17, 0.15);
}
.import-textarea {
  width: 100%;
  min-height: auto;
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-medium);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  resize: vertical;
  outline: none;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  padding: 10px 16px;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  font-size: 0.8rem;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  pointer-events: all;
  animation: toastIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  align-items: center;
  gap: 8px;
}
.toast.success {
  border-left: 3px solid var(--success);
}
.toast.error {
  border-left: 3px solid var(--danger);
}
.toast.info {
  border-left: 3px solid var(--accent);
}
.toast.removing {
  animation: toastOut 0.3s ease-in forwards;
}
@keyframes toastIn {
  from {
    transform: translateX(120%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}
@keyframes toastOut {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(120%);
    opacity: 0;
  }
}

/* Scrollbar (global) */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* Tab Bar */
.tab-bar {
  display: flex;
  align-items: center;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 10px;
  gap: 2px;
  z-index: 98;
  flex-shrink: 0;
  overflow-x: auto;
  height: 34px;
}
.tabs-container {
  display: flex;
  gap: 2px;
  flex: 1;
  overflow-x: auto;
  height: 100%;
}
.tab-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  height: 100%;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.75rem;
  cursor: pointer;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
  border-radius: 0;
}
.tab-btn:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
}
.tab-btn.active {
  color: var(--text-primary);
  border-bottom-color: var(--accent);
  background: rgba(219, 0, 17, 0.06);
}
.tab-close {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  font-size: 0.7rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.15s;
}
.tab-close:hover {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
}
.tab-add-btn {
  margin-left: 4px;
  font-size: 1.1rem;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

/* Menu Bar */
.menu-bar {
  display: flex;
  align-items: center;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 12px;
  z-index: 99;
  flex-shrink: 0;
  height: 30px;
  gap: 0;
}
.menu-item {
  position: relative;
  padding: 0 10px;
  height: 100%;
  display: flex;
  align-items: center;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 4px;
  transition: background 0.15s;
}
.menu-item:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
}
.menu-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 170px;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 4px;
  display: none;
  z-index: 200;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.menu-item.open .menu-dropdown {
  display: block;
}
.menu-action {
  padding: 6px 12px;
  font-size: 0.72rem;
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
}
.menu-action:hover {
  background: rgba(219, 0, 17, 0.12);
  color: #fff;
}
.menu-separator {
  height: 1px;
  background: var(--border-subtle);
  margin: 4px 0;
}
.menu-label {
  padding: 4px 12px;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}
.recent-list {
  max-height: 150px;
  overflow-y: auto;
}
.recent-list .menu-action {
  font-family: var(--font-mono);
  font-size: 0.65rem;
}
.hidden {
  display: none !important;
}

/* Editable project name */
.project-name {
  display: inline-block;
  max-width: 200px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.3;
  border-bottom: 1px dashed transparent;
  transition: border-color 0.15s;
  outline: none;
  cursor: text;
  margin-left: 8px;
  padding: 2px 4px;
  border-radius: 4px;
}
.project-name:hover {
  border-bottom-color: var(--border-medium);
}
.project-name:focus {
  background: rgba(255, 255, 255, 0.04);
  border-bottom-color: var(--accent);
  max-width: 300px;
}

/* Marquee selection box */
.marquee-box {
  position: absolute;
  border: 2px dashed #db0011;
  background: rgba(219, 0, 17, 0.12);
  pointer-events: none;
  z-index: 20;
}

/* Runtime message box (Step modal) */
.runtime-message-box {
  padding: 16px;
  border-radius: var(--radius-md);
  border-left: 4px solid;
  margin-bottom: 8px;
}
.runtime-message-box .runtime-question {
  margin: 0;
  font-size: 1rem;
}
.runtime-message-box.variant-info {
  background: rgba(59, 130, 246, 0.12);
  border-color: #3b82f6;
}
.runtime-message-box.variant-success {
  background: rgba(16, 185, 129, 0.12);
  border-color: #10b981;
}
.runtime-message-box.variant-warning {
  background: rgba(245, 158, 11, 0.12);
  border-color: #f59e0b;
}
.runtime-message-box.variant-error {
  background: rgba(239, 68, 68, 0.12);
  border-color: #ef4444;
}
.runtime-message-box.variant-action {
  background: rgba(139, 92, 246, 0.12);
  border-color: #8b5cf6;
}

/* Runtime modal close button */
.runtime-close-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 10;
  font-size: 1.4rem;
  width: 32px;
  height: 32px;
}

/* Runtime modal variant backgrounds (Step modal) */
.runtime-modal.variant-info {
  background: rgba(59, 130, 246, 0.08);
  border-left: 4px solid #3b82f6;
}
.runtime-modal.variant-success {
  background: rgba(16, 185, 129, 0.08);
  border-left: 4px solid #10b981;
}
.runtime-modal.variant-warning {
  background: rgba(245, 158, 11, 0.08);
  border-left: 4px solid #f59e0b;
}
.runtime-modal.variant-error {
  background: rgba(239, 68, 68, 0.08);
  border-left: 4px solid #ef4444;
}
.runtime-modal.variant-action {
  background: rgba(139, 92, 246, 0.08);
  border-left: 4px solid #8b5cf6;
}

/* Variant pills on canvas nodes */
.variant-pill {
  font-size: 0.55rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 1px 6px;
  border-radius: 10px;
  letter-spacing: 0.03em;
}
.variant-pill.variant-info {
  background: rgba(59, 130, 246, 0.2);
  color: #93c5fd;
}
.variant-pill.variant-success {
  background: rgba(16, 185, 129, 0.2);
  color: #6ee7b7;
}
.variant-pill.variant-warning {
  background: rgba(245, 158, 11, 0.2);
  color: #fcd34d;
}
.variant-pill.variant-error {
  background: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
}
.variant-pill.variant-action {
  background: rgba(139, 92, 246, 0.2);
  color: #c4b5fd;
}

/* ---- Full‑screen Runtime Panel (Linear / Chat) ---- */
.runtime-panel {
  position: absolute;
  inset: 0;
  background: var(--bg-deep);
  z-index: 150;
  display: flex;
  flex-direction: column;
  font-family: "Inter", sans-serif;
}
.runtime-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(12px);
}
.runtime-header-spacer {
  width: 32px;
}
.runtime-panel-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  flex: 1;
}
.runtime-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
  border-radius: 0;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.runtime-panel-body::-webkit-scrollbar {
  display: none;
}
.runtime-panel-footer {
  background: var(--bg-glass);
  border-top: 1px solid var(--border-subtle);
  padding: 16px 24px;
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}
.runtime-panel-footer:empty {
  display: none;
}

/* Linear steps */
.linear-step {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.linear-step .runtime-question {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0;
  white-space: pre-wrap;
}
.linear-step .runtime-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.linear-step .runtime-option-btn {
  flex: 1 1 auto;
  min-width: 100px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-medium);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}
.linear-step .runtime-option-btn:hover {
  background: rgba(219, 0, 17, 0.08);
  border-color: var(--accent);
}
.linear-step .runtime-option-btn:disabled {
  opacity: 0.5;
  cursor: default;
}
.linear-step .runtime-option-btn.selected-option {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}
.linear-answer {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-style: italic;
}

/* Chat bubbles */
.chat-bubble {
  max-width: 75%;
  padding: 12px 16px;
  border-radius: 18px;
  line-height: 1.5;
  word-break: break-word;
  font-size: 0.9rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
  animation: bubbleIn 0.2s ease-out;
}
@keyframes bubbleIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.chat-bot {
  align-self: flex-start;
  background: var(--bg-surface-2);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
}
.chat-user {
  align-self: flex-end;
  background: var(--accent);
  color: #fff;
}
.chat-bubble.success {
  background: rgba(16, 185, 129, 0.12);
  border-color: var(--success);
  color: var(--success);
}
.chat-bubble.error {
  background: rgba(239, 68, 68, 0.12);
  border-color: var(--danger);
  color: var(--danger);
}
.chat-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.chat-option-btn {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-medium);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s;
}
.chat-option-btn:hover {
  background: rgba(219, 0, 17, 0.08);
  border-color: var(--accent);
}
.chat-input-row {
  display: flex;
  gap: 8px;
}
.chat-input {
  flex: 1;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-medium);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.15s;
}
.chat-input:focus {
  border-color: var(--accent);
}
.chat-send-btn {
  padding: 10px 20px;
  border-radius: var(--radius-md);
  background: var(--accent);
  color: #fff;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.chat-send-btn:hover {
  background: #c0000f;
}
.chat-copy-text {
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.85rem;
  margin-bottom: 6px;
  color: var(--text-secondary);
  font-family: inherit;
}
.chat-inline-copy {
  margin-top: 6px;
}

/* Linear step variant backgrounds */
.linear-step.variant-info {
  background: rgba(59, 130, 246, 0.06);
  border-left: 3px solid #3b82f6;
}
.linear-step.variant-success {
  background: rgba(16, 185, 129, 0.06);
  border-left: 3px solid #10b981;
}
.linear-step.variant-warning {
  background: rgba(245, 158, 11, 0.06);
  border-left: 3px solid #f59e0b;
}
.linear-step.variant-error {
  background: rgba(239, 68, 68, 0.06);
  border-left: 3px solid #ef4444;
}
.linear-step.variant-action {
  background: rgba(139, 92, 246, 0.06);
  border-left: 3px solid #8b5cf6;
}

/* Linear continue button */
.linear-continue-btn {
  width: 100%;
  margin-top: 12px;
  background: var(--accent);
  color: #fff;
  border: none;
  transition: background 0.15s;
}
.linear-step.variant-info .linear-continue-btn {
  background: #3b82f6;
}
.linear-step.variant-success .linear-continue-btn {
  background: #10b981;
}
.linear-step.variant-warning .linear-continue-btn {
  background: #f59e0b;
  color: #000;
}
.linear-step.variant-error .linear-continue-btn {
  background: #ef4444;
}
.linear-step.variant-action .linear-continue-btn {
  background: #8b5cf6;
}

/* Chat bubble variant colors */
.chat-bubble.info {
  background: rgba(59, 130, 246, 0.12);
  border-color: #3b82f6;
  color: #93c5fd;
}
.chat-bubble.success {
  background: rgba(16, 185, 129, 0.12);
  border-color: var(--success);
  color: var(--success);
}
.chat-bubble.warning {
  background: rgba(245, 158, 11, 0.12);
  border-color: #f59e0b;
  color: #fcd34d;
}
.chat-bubble.error {
  background: rgba(239, 68, 68, 0.12);
  border-color: var(--danger);
  color: var(--danger);
}
.chat-bubble.action {
  background: rgba(139, 92, 246, 0.12);
  border-color: #8b5cf6;
  color: #c4b5fd;
}

/* Message variant button colours (Step modal) */
.runtime-modal.variant-info .runtime-submit-btn {
  background: #3b82f6;
  box-shadow: 0 2px 12px rgba(59, 130, 246, 0.4);
}
.runtime-modal.variant-success .runtime-submit-btn {
  background: #10b981;
  box-shadow: 0 2px 12px rgba(16, 185, 129, 0.4);
}
.runtime-modal.variant-warning .runtime-submit-btn {
  background: #f59e0b;
  color: #000;
  box-shadow: 0 2px 12px rgba(245, 158, 11, 0.4);
}
.runtime-modal.variant-error .runtime-submit-btn {
  background: #ef4444;
  box-shadow: 0 2px 12px rgba(239, 68, 68, 0.4);
}
.runtime-modal.variant-action .runtime-submit-btn {
  background: #8b5cf6;
  box-shadow: 0 2px 12px rgba(139, 92, 246, 0.4);
}

/* Navbar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(12px);
}
.navbar-logo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.navbar-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  flex: 1;
}

.modal-content.runtime-modal {
  border-radius: var(--radius-xl);
}
.runtime-panel-header.navbar {
  border-radius: 0;
}
.runtime-submit-btn,
.runtime-option-btn,
.btn-copy {
  border-radius: var(--radius-md);
}

/* ---- Link Node (separate styles) ---- */
.canvas-node.node-link {
  border-left: 2px solid var(--node-link);
}
.node-link .node-type-badge {
  background: rgba(37, 99, 235, 0.2);
  color: #93bbfd;
}
.node-link.selected {
  border-color: var(--node-link) !important;
  box-shadow:
    var(--shadow-lg),
    0 0 20px rgba(37, 99, 235, 0.35),
    0 0 0 4px rgba(37, 99, 235, 0.12) !important;
}
.node-link-chip {
  color: #93bbfd;
  border-color: rgba(37, 99, 235, 0.3);
}

.chat-bubble.link-bubble {
  max-width: 90%;
}

.chat-link-btn,
.runtime-link-btn {
  display: block;
  width: 100%;
  min-width: 200px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--node-link);
  background: transparent;
  color: #93bbfd;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  line-height: 1.4;
  margin-bottom: 8px;
}
.chat-link-btn:hover,
.runtime-link-btn:hover {
  background: rgba(37, 99, 235, 0.08);
  border-color: #60a5fa;
  box-shadow: 0 0 8px rgba(37, 99, 235, 0.3);
  color: #ffffff;
}

/* Node port overrides for link nodes */
.node-port.port-out {
  top: 50% !important;
  transform: translateY(-50%) !important;
  right: -7px;
}

/* ---- Set Variable Node ---- */
.canvas-node.node-setvar {
  border-left: 3px solid var(--node-setvar);
}
.node-setvar .node-type-badge {
  background: rgba(192, 38, 211, 0.2);
  color: #e879f9;
}
.node-setvar.selected {
  border-color: var(--node-setvar) !important;
  box-shadow:
    var(--shadow-lg),
    0 0 20px rgba(192, 38, 211, 0.35),
    0 0 0 4px rgba(192, 38, 211, 0.12) !important;
}

/* ---- Email Node ---- */
.canvas-node.node-email {
  border-left: 3px solid var(--node-email);
}
.node-email .node-type-badge {
  background: rgba(99, 102, 241, 0.2);
  color: #a5b4fc;
}
.node-email.selected {
  border-color: var(--node-email) !important;
  box-shadow:
    var(--shadow-lg),
    0 0 20px rgba(99, 102, 241, 0.35),
    0 0 0 4px rgba(99, 102, 241, 0.12) !important;
}

/* Mailto link builder modal */
.mailto-modal {
  max-width: 420px;
}
.mailto-modal .form-group {
  margin-bottom: 12px;
}
.mailto-modal #mailtoUrl {
  background: var(--bg-surface-2);
  border: 1px solid var(--border-medium);
  cursor: text;
  user-select: all;
}

.sidebar-search {
  padding: 0 10px 8px;
}
.sidebar-search .form-input {
  width: 100%;
  font-size: 0.75rem;
}
.wysiwyg-wrapper {
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-surface-2);
}
.wysiwyg-toolbar {
  display: flex;
  gap: 2px;
  padding: 4px;
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border-subtle);
}
.wysiwyg-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
}
.wysiwyg-btn:hover {
  background: rgba(219, 0, 17, 0.1);
  color: var(--accent);
}
.wysiwyg-editor {
  min-height: 80px;
  padding: 8px 12px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.8rem;
  outline: none;
  word-break: break-word;
}
.wysiwyg-editor a {
  color: var(--accent);
  text-decoration: underline;
}
/* ---- Mobile Warning (desktop‑only app) ---- */
.mobile-warning {
  display: none; /* hidden by default */
  position: fixed;
  inset: 0;
  background: var(--bg-deep);
  z-index: 9999;
  justify-content: center;
  align-items: center;
  text-align: center;
  font-family: "Inter", sans-serif;
  color: var(--text-primary);
}

.mobile-warning-content h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.mobile-warning-content p {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

/* On screens smaller than 768px, show the warning and hide the app */
@media (max-width: 768px) {
  .mobile-warning {
    display: flex !important;
  }

  .app-container,
  .bg-orbs,
  .bg-grid {
    display: none !important;
  }
}
/* Outline email button */
.runtime-email-btn {
  padding: 10px 20px;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-width: 200px; /* ← added */
}
.runtime-email-btn:hover {
  background: rgba(219, 0, 17, 0.08);
  border-color: var(--accent-hover);
  color: var(--accent-hover);
}
/* Full width for email button in linear steps */
.linear-step .runtime-email-btn {
  width: 100%;
}

/* ---- Download Node ---- */
.canvas-node.node-download {
  border-left: 3px solid #f59e0b;
}
.node-download .node-type-badge {
  background: rgba(245, 158, 11, 0.2);
  color: #fcd34d;
}
.node-download.selected {
  border-color: #f59e0b !important;
  box-shadow:
    var(--shadow-lg),
    0 0 20px rgba(245, 158, 11, 0.35),
    0 0 0 4px rgba(245, 158, 11, 0.12) !important;
}
.palette-node[data-type="download"] .palette-node-icon {
  color: #f59e0b;
  background: rgba(245, 158, 11, 0.3);
}
html.light-mode .palette-node[data-type="download"] .palette-node-icon {
  color: #f59e0b !important;
  background: rgba(245, 158, 11, 0.15) !important;
}
html.light-mode .node-download .node-type-badge {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
}
/* Input type pill (on canvas nodes) */
.input-type-pill {
  font-size: 0.55rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 1px 6px;
  border-radius: 10px;
  letter-spacing: 0.03em;
  background: rgba(245, 158, 11, 0.2);
  color: #fcd34d;
}

/* Light‑mode override for the input‑type pill */
html.light-mode .input-type-pill {
  background: rgba(245, 158, 11, 0.15);
  color: #b45309; /* darker amber for contrast */
}
/* Text popout button (in editor panel labels) */
.btn-popout-text {
  padding: 0;
  margin-left: 6px;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  opacity: 0.5;
  transition: opacity var(--transition-fast);
}
.btn-popout-text:hover {
  opacity: 1;
}

/* Popout modal */
.text-popout-modal {
  max-width: 680px;
  width: 90%;
}
.popout-textarea {
  min-height: 300px;
  font-family: inherit;
}