:root {
  color-scheme: light;
  font-family: Inter, Segoe UI, Arial, sans-serif;
  --bg: #f4f6f8;
  --panel: #ffffff;
  --line: #d9e0e7;
  --text: #101828;
  --muted: #667085;
  --blue: #2563eb;
  --blue-2: #dbeafe;
  --danger: #dc2626;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 12px;
  cursor: pointer;
  background: #fff;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 9px;
  background: #fff;
}

textarea {
  resize: vertical;
}

label {
  display: grid;
  gap: 4px;
  color: #344054;
  font-size: 12px;
}

.hidden {
  display: none !important;
}

.primary {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}

.secondary {
  background: #eef4ff;
  color: #1d4ed8;
  border-color: #bfdbfe;
}

.ghost {
  background: transparent;
}

.danger {
  color: #fff;
  background: var(--danger);
  border-color: var(--danger);
}

.muted,
.status {
  color: var(--muted);
}

.error {
  min-height: 20px;
  color: var(--danger);
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(420px, 100%);
  display: grid;
  gap: 18px;
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 50px rgba(16, 24, 40, 0.08);
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--blue);
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 230px 1fr;
}

.app-shell.sidebar-collapsed {
  grid-template-columns: 0 1fr;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 20px;
  background: #101828;
  color: #fff;
  overflow: hidden;
  transition: padding 0.15s ease;
}

.sidebar-collapsed .sidebar {
  padding: 0;
  border: 0;
}

.brand {
  display: grid;
  gap: 4px;
}

.brand span {
  color: #b7c0ce;
  font-size: 13px;
}

nav {
  display: grid;
  gap: 8px;
}

.nav-btn {
  color: #d0d5dd;
  background: transparent;
  text-align: left;
  border-color: transparent;
}

.nav-btn.active {
  background: #1d2939;
  color: #fff;
  border-color: #344054;
}

.workspace {
  min-width: 0;
}

.topbar {
  min-height: 66px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 12px 18px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.topbar-title {
  display: flex;
  gap: 10px;
  align-items: center;
  min-width: 0;
}

.icon-toggle {
  width: 34px;
  height: 34px;
  min-width: 34px;
  display: inline-grid;
  place-items: center;
  padding: 0;
  border-color: #cbd5e1;
  border-radius: 7px;
  color: #334155;
  background: #fff;
  font-size: 18px;
  line-height: 1;
}

.icon-toggle:hover {
  border-color: #93c5fd;
  color: #1d4ed8;
  background: #eff6ff;
}

.topbar h2 {
  margin-bottom: 2px;
  font-size: 22px;
}

.topbar p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(160px, 220px) 120px auto auto auto auto;
  gap: 7px;
  align-items: center;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(360px, 480px);
  gap: 18px;
  padding: 24px;
}

.panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.form-panel {
  display: grid;
  gap: 14px;
  align-content: start;
}

.settings-layout {
  display: grid;
  grid-template-columns: minmax(250px, 340px) minmax(420px, 720px);
  gap: 18px;
  align-items: start;
  padding: 24px;
}

.settings-cards {
  display: grid;
  gap: 10px;
}

.settings-card {
  min-height: 78px;
  display: grid;
  grid-template-columns: 42px 1fr;
  grid-template-areas:
    "icon title"
    "icon text";
  gap: 4px 12px;
  align-items: center;
  padding: 14px;
  text-align: left;
  border-radius: 8px;
  background: #fff;
}

.settings-card strong {
  grid-area: title;
  color: var(--text);
}

.settings-card small {
  grid-area: text;
  color: var(--muted);
  line-height: 1.35;
}

.settings-card.active {
  border-color: #93c5fd;
  background: #f8fbff;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.08);
}

.settings-card.disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.settings-icon {
  grid-area: icon;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #e0f2fe;
  color: #0369a1;
  font-weight: 800;
  font-size: 12px;
}

.settings-detail {
  max-width: 720px;
}

.settings-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.settings-head h3 {
  margin-bottom: 3px;
}

.settings-head p {
  margin-bottom: 0;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.status-muted {
  background: #f1f5f9;
  color: #475569;
}

.status-warning {
  background: #fef3c7;
  color: #92400e;
}

.status-error {
  background: #fee2e2;
  color: #991b1b;
}

.status-ok {
  background: #dcfce7;
  color: #166534;
}

.toggle-row {
  grid-template-columns: 1fr 160px;
  align-items: center;
  gap: 12px;
}

.button-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.settings-block {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.settings-block summary {
  cursor: pointer;
  font-weight: 800;
}

.settings-block h4 {
  margin: 0;
  font-size: 14px;
}

.number-list-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.number-list {
  display: grid;
  gap: 8px;
}

.number-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.webhook-box {
  display: grid;
  gap: 6px;
  padding: 10px;
  border: 1px dashed #bfdbfe;
  border-radius: 8px;
  background: #fff;
}

.webhook-box code {
  overflow-wrap: anywhere;
  color: #1d4ed8;
  font-size: 12px;
}

.module-picker {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.module-picker legend {
  padding: 0 4px;
  font-weight: 700;
  font-size: 13px;
}

.module-picker-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.module-check {
  display: flex;
  grid-template-columns: auto 1fr;
  flex-direction: row;
  gap: 8px;
  align-items: center;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  font-size: 13px;
}

.module-check input {
  width: auto;
}

.module-access-grid {
  display: grid;
  gap: 8px;
}

.module-access-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 140px;
  gap: 8px;
  align-items: center;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  font-size: 13px;
}

.module-access-row.disabled {
  background: #f1f5f9;
}

.bot-list {
  display: grid;
  gap: 10px;
}

.bot-item {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.bot-item strong {
  display: block;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--blue-2);
  color: #1d4ed8;
  font-size: 12px;
}

.module-line {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 8px;
}

.mini-pill {
  display: inline-flex;
  align-items: center;
  min-height: 20px;
  padding: 2px 7px;
  border-radius: 999px;
  background: #ecfdf3;
  color: #067647;
  font-size: 11px;
}

.builder-layout {
  position: relative;
  height: calc(100vh - 66px);
  display: grid;
  grid-template-columns: minmax(680px, 1fr) 390px;
}

.builder-layout.inspector-collapsed {
  grid-template-columns: minmax(0, 1fr) 0;
}

.canvas {
  position: relative;
  overflow: auto;
  min-width: 0;
  min-height: 100%;
  background-color: #f8fafc;
  background-image: radial-gradient(#cbd5e1 1px, transparent 1px);
  background-size: 22px 22px;
}

.edges {
  position: absolute;
  inset: 0;
  width: 2400px;
  height: 1600px;
  pointer-events: none;
  overflow: visible;
}

.edge-line {
  fill: none;
  stroke: #94a3b8;
  stroke-width: 2;
}

.edge-line-draft {
  stroke: #2563eb;
  stroke-dasharray: 7 5;
}

.edge-label {
  paint-order: stroke;
  stroke: #f8fafc;
  stroke-width: 5px;
  fill: #475569;
  font-size: 12px;
  font-weight: 700;
}

.node {
  position: absolute;
  z-index: 1;
  width: 230px;
  min-height: 96px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(16, 24, 40, 0.08);
  cursor: grab;
  user-select: none;
}

.node-port {
  position: absolute;
  right: -9px;
  top: 50%;
  width: 16px;
  height: 16px;
  padding: 0;
  border-radius: 999px;
  transform: translateY(-50%);
  background: var(--blue);
  border: 3px solid #fff;
  box-shadow: 0 3px 10px rgba(37, 99, 235, 0.35);
  cursor: crosshair;
}

.node.selected {
  outline: 3px solid #93c5fd;
}

.node-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  font-weight: 700;
}

.node-body {
  padding: 10px;
  color: #344054;
  font-size: 12px;
  white-space: pre-wrap;
}

.route-chip {
  display: inline-block;
  margin-top: 7px;
  margin-right: 4px;
  padding: 2px 7px;
  border-radius: 999px;
  background: #eef2ff;
  color: #3730a3;
  font-size: 11px;
}

.inspector {
  overflow: auto;
  padding: 10px 12px;
  background: #fff;
  border-left: 1px solid var(--line);
  min-width: 0;
}

.inspector-collapsed .inspector {
  display: none;
}

#stepForm {
  display: grid;
  gap: 9px;
}

.action-panel {
  display: grid;
  gap: 8px;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.action-panel h4 {
  margin: 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  margin-bottom: 6px;
}

.compact {
  min-height: 28px;
  padding: 5px 9px;
  font-size: 12px;
}

.options-list {
  display: grid;
  gap: 7px;
}

.option-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 72px 86px;
  gap: 5px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.option-row input[data-field="dest"],
.option-row input[data-field="id"] {
  grid-column: auto;
}

.option-row input[data-field="description"] {
  grid-column: 1 / 3;
}

.hint {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.advanced-field {
  display: none;
}

.side-tabs {
  position: sticky;
  top: 0;
  z-index: 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding-bottom: 8px;
  background: #fff;
}

.side-tab {
  min-height: 30px;
  padding: 6px 8px;
  font-size: 12px;
  background: #f8fafc;
}

.side-tab.active {
  color: #1d4ed8;
  border-color: #93c5fd;
  background: #eff6ff;
  font-weight: 700;
}

.side-panel h3 {
  margin-bottom: 10px;
  font-size: 16px;
}

.shortcut-card {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.shortcut-list {
  margin-top: 12px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.shortcut-item {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

.shortcut-item:last-child {
  border-bottom: 0;
}

.shortcut-actions {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 2;
    flex-direction: row;
    align-items: center;
  }

  nav {
    grid-auto-flow: column;
  }

  .content-grid,
  .builder-layout,
  .settings-layout {
    grid-template-columns: 1fr;
  }

  .toolbar {
    grid-template-columns: 1fr 1fr;
  }

  .settings-layout {
    padding: 14px;
  }

  .toggle-row {
    grid-template-columns: 1fr;
  }

  .inspector {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
}