:root {
  --bg: #f5f8fb;
  --panel: #ffffff;
  --panel-soft: #f9fbfd;
  --text: #112033;
  --muted: #66758a;
  --line: #dbe4ef;
  --blue: #1177ff;
  --cyan: #0eb6d8;
  --green: #1f9d66;
  --amber: #b7791f;
  --red: #c2413b;
  --shadow: 0 18px 50px rgba(17, 32, 51, 0.08);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(14, 182, 216, 0.16), transparent 34rem),
    linear-gradient(135deg, #f9fcff 0%, var(--bg) 48%, #eef7f3 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  min-height: 100vh;
}

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

button {
  border: 0;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

label {
  color: var(--muted);
  display: grid;
  font-size: 0.79rem;
  font-weight: 700;
  gap: 0.42rem;
}

.field-group {
  display: grid;
  gap: 0.42rem;
}

.field-label {
  color: var(--muted);
  font-size: 0.79rem;
  font-weight: 700;
}

input,
select,
textarea {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  outline: none;
  padding: 0.72rem 0.82rem;
  transition: border-color 140ms ease, box-shadow 140ms ease;
  width: 100%;
}

input[type="checkbox"] {
  box-shadow: none;
  width: auto;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(17, 119, 255, 0.7);
  box-shadow: 0 0 0 4px rgba(17, 119, 255, 0.11);
}

textarea {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.83rem;
  line-height: 1.52;
  min-height: 28rem;
  resize: vertical;
}

.app-shell {
  margin: 0 auto;
  max-width: 1680px;
  min-height: 100vh;
  padding: 1.2rem;
}

.topbar {
  align-items: center;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.brand {
  align-items: center;
  display: flex;
  gap: 0.8rem;
}

.brand-mark {
  align-items: center;
  background: linear-gradient(145deg, #0c2038, #115fcf 55%, #1bc6c8);
  border-radius: 16px;
  box-shadow: 0 16px 36px rgba(17, 119, 255, 0.22);
  color: #fff;
  display: grid;
  font-size: 1.35rem;
  font-weight: 850;
  height: 3.1rem;
  place-items: center;
  width: 3.1rem;
}

.eyebrow {
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 0.16rem;
  text-transform: uppercase;
}

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

h1 {
  font-size: clamp(1.55rem, 2vw, 2.25rem);
  letter-spacing: 0;
}

h2 {
  font-size: 1rem;
  letter-spacing: 0;
}

.status-strip,
.button-row,
.selection-bar,
.panel-heading {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.status-strip,
.panel-heading,
.selection-bar {
  justify-content: space-between;
}

.editor-panel > .panel-heading {
  align-items: flex-start;
}

.editor-panel > .panel-heading .button-row {
  justify-content: flex-end;
  max-width: 100%;
}

.studio-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 23rem minmax(0, 1fr);
}

.side-panel,
.main-panel {
  display: grid;
  gap: 1rem;
}

.panel,
.selection-bar {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(219, 228, 239, 0.9);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 1rem;
}

.hidden {
  display: none !important;
}

.access-panel {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.access-copy,
.security-note {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.45;
  margin-top: 0.34rem;
}

.access-form {
  align-items: center;
  display: grid;
  gap: 0.6rem;
  grid-template-columns: minmax(16rem, 1fr) auto;
  min-width: min(100%, 34rem);
}

.panel-heading {
  margin-bottom: 0.9rem;
}

.stack-form {
  display: grid;
  gap: 0.75rem;
}

.primary-button,
.secondary-button {
  align-items: center;
  border-radius: var(--radius);
  display: inline-flex;
  font-size: 0.86rem;
  font-weight: 800;
  justify-content: center;
  min-height: 2.45rem;
  padding: 0.7rem 0.95rem;
  white-space: nowrap;
}

.primary-button {
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 10px 24px rgba(17, 119, 255, 0.24);
  color: #fff;
}

.secondary-button {
  background: #eef5fb;
  color: #17324d;
}

.danger-button {
  align-items: center;
  background: rgba(194, 65, 59, 0.1);
  border-radius: var(--radius);
  color: var(--red);
  display: inline-flex;
  font-size: 0.86rem;
  font-weight: 850;
  justify-content: center;
  min-height: 2.45rem;
  padding: 0.7rem 0.95rem;
  white-space: nowrap;
}

.status-pill {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.76rem;
  font-weight: 850;
  min-height: 2rem;
  padding: 0.42rem 0.7rem;
}

.status-pill.muted {
  background: #eef3f8;
  color: var(--muted);
}

.status-pill.active,
.status-pill.published {
  background: rgba(31, 157, 102, 0.12);
  color: var(--green);
}

.status-pill.draft {
  background: rgba(183, 121, 31, 0.12);
  color: var(--amber);
}

.status-pill.archived {
  background: #eef3f8;
  color: var(--muted);
}

.status-pill.error {
  background: rgba(194, 65, 59, 0.12);
  color: var(--red);
}

.list-area,
.version-list {
  display: grid;
  gap: 0.55rem;
  margin-top: 0.85rem;
}

.list-item,
.version-item {
  align-items: center;
  background: var(--panel-soft);
  border: 1px solid transparent;
  border-radius: 12px;
  display: flex;
  gap: 0.7rem;
  justify-content: space-between;
  padding: 0.72rem;
  text-align: left;
  width: 100%;
}

button.list-item {
  color: inherit;
}

.list-item:hover,
.list-item.selected {
  border-color: rgba(17, 119, 255, 0.26);
  box-shadow: 0 10px 24px rgba(17, 32, 51, 0.07);
}

.item-main {
  min-width: 0;
}

.item-title {
  font-size: 0.9rem;
  font-weight: 850;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.item-meta {
  color: var(--muted);
  font-size: 0.74rem;
  margin-top: 0.18rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.work-grid {
  align-items: start;
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1.22fr) minmax(25rem, 0.78fr);
}

.editor-panel,
.simulator-panel {
  min-width: 0;
}

.simulator-panel {
  display: grid;
  gap: 0.85rem;
}

.editor-tabs {
  background: #edf5fb;
  border: 1px solid var(--line);
  border-radius: 12px;
  display: inline-flex;
  gap: 0.25rem;
  margin-bottom: 0.8rem;
  padding: 0.24rem;
}

.tab-button {
  background: transparent;
  border-radius: 9px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 850;
  min-height: 2.1rem;
  padding: 0.45rem 0.82rem;
}

.tab-button.active {
  background: #fff;
  box-shadow: 0 8px 20px rgba(17, 32, 51, 0.08);
  color: var(--text);
}

.config-status {
  background: rgba(31, 157, 102, 0.08);
  border: 1px solid rgba(31, 157, 102, 0.18);
  border-radius: 12px;
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 750;
  margin-bottom: 0.8rem;
  padding: 0.7rem 0.82rem;
}

.config-status.error {
  background: rgba(194, 65, 59, 0.08);
  border-color: rgba(194, 65, 59, 0.2);
  color: var(--red);
}

.visual-editor {
  display: grid;
  gap: 0.85rem;
}

.catalog-editor.hidden,
.ai-editor.hidden,
.json-editor.hidden,
.orders-editor.hidden,
.operations-editor.hidden,
.schedule-editor.hidden,
.visual-editor.hidden,
.node-field.hidden,
.product-field.hidden {
  display: none;
}

.flow-section {
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.9rem;
}

.section-heading {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.section-heading .button-row {
  justify-content: flex-end;
}

.compact-grid {
  display: grid;
  gap: 0.72rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mini-textarea {
  min-height: 6.5rem;
  resize: vertical;
}

.node-editor-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: 15rem minmax(0, 1fr);
}

.flow-node-list {
  display: grid;
  gap: 0.45rem;
  max-height: 32rem;
  overflow-y: auto;
  padding-right: 0.2rem;
}

.node-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: inherit;
  display: grid;
  gap: 0.22rem;
  padding: 0.68rem;
  text-align: left;
}

.node-card:hover,
.node-card.selected {
  border-color: rgba(17, 119, 255, 0.34);
  box-shadow: 0 10px 24px rgba(17, 32, 51, 0.07);
}

.node-card-title {
  font-size: 0.82rem;
  font-weight: 850;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.node-card-meta {
  color: var(--muted);
  font-size: 0.72rem;
}

.node-form {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  display: grid;
  gap: 0.75rem;
  padding: 0.9rem;
}

.node-actions {
  justify-content: flex-start;
}

.catalog-editor {
  display: grid;
  gap: 0.85rem;
}

.orders-editor,
.ai-editor,
.operations-editor,
.schedule-editor {
  display: grid;
  gap: 0.85rem;
}

.inline-select {
  min-height: 2.45rem;
  min-width: 12rem;
  padding-block: 0.58rem;
}

.operations-list {
  display: grid;
  gap: 0.58rem;
}

.operation-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 13px;
  display: grid;
  gap: 0.62rem;
  padding: 0.78rem;
}

.operation-card-header,
.operation-card-footer {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  justify-content: space-between;
}

.operation-card-title {
  font-size: 0.92rem;
  font-weight: 850;
}

.operation-card-meta,
.operation-card-detail {
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.42;
}

.operation-card-detail strong {
  color: var(--text);
}

.operation-card select {
  max-width: 14rem;
}

.check-label {
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  display: flex;
  flex-direction: row;
  font-size: 0.82rem;
  gap: 0.55rem;
  min-height: 2.85rem;
  padding: 0.68rem 0.78rem;
}

.product-field {
  display: grid;
  gap: 0.75rem;
}

.structured-editor {
  display: grid;
  gap: 0.75rem;
}

.structured-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  display: grid;
  gap: 0.82rem;
  padding: 0.82rem;
}

.compact-card {
  gap: 0.7rem;
  padding: 0.76rem;
}

.structured-card-header {
  align-items: flex-start;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  justify-content: space-between;
}

.structured-card-header h4 {
  font-size: 0.95rem;
  letter-spacing: 0;
  margin: 0;
}

.structured-card-header p {
  color: var(--muted);
  font-size: 0.76rem;
  margin-top: 0.16rem;
}

.structured-grid {
  display: grid;
  gap: 0.7rem;
}

.category-grid {
  grid-template-columns: minmax(8rem, 1fr) minmax(10rem, 1.3fr) 6rem 8rem;
}

.modifier-grid {
  grid-template-columns: minmax(8rem, 1fr) minmax(10rem, 1.25fr) 5.6rem 5.6rem 8rem;
}

.two-col-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.three-col-grid {
  grid-template-columns: minmax(8rem, 1fr) minmax(10rem, 1.4fr) minmax(7rem, 0.7fr);
}

.four-col-grid {
  grid-template-columns: minmax(8rem, 1fr) minmax(10rem, 1.2fr) minmax(8rem, 0.75fr) minmax(10rem, 1.1fr);
}

.five-col-grid {
  grid-template-columns: minmax(7rem, 1fr) minmax(9rem, 1.2fr) minmax(6.5rem, 0.7fr) minmax(6.5rem, 0.7fr) minmax(7rem, 0.8fr) minmax(7rem, 0.75fr);
}

.six-col-grid {
  grid-template-columns: minmax(7rem, 1fr) minmax(9rem, 1.2fr) minmax(8rem, 1fr) minmax(6rem, 0.65fr) minmax(6rem, 0.65fr) minmax(6rem, 0.65fr) minmax(7rem, 0.75fr);
}

.fulfillment-grid {
  grid-template-columns: minmax(7rem, 1fr) minmax(10rem, 1.2fr) minmax(6rem, 0.7fr) minmax(7rem, 0.7fr) minmax(9rem, 0.9fr);
}

.simple-row-grid {
  align-items: end;
  grid-template-columns: minmax(12rem, 1fr) auto;
}

.cart-component-grid {
  grid-template-columns: minmax(8rem, 0.9fr) minmax(13rem, 1.4fr) minmax(9rem, 1fr);
}

.compact-modifier-group {
  gap: 0.4rem;
}

.wide-field {
  grid-column: 1 / -1;
}

.inline-field-heading {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: space-between;
}

.compact-textarea {
  min-height: 4.6rem;
}

.compact-secondary,
.compact-danger {
  min-height: 2.18rem;
  padding: 0.52rem 0.72rem;
}

.row-check {
  min-height: 2.72rem;
}

.modifier-options {
  display: grid;
  gap: 0.5rem;
}

.modifier-option-list {
  display: grid;
  gap: 0.5rem;
}

.option-grid {
  align-items: end;
  display: grid;
  gap: 0.55rem;
  grid-template-columns: minmax(8rem, 1fr) minmax(10rem, 1.25fr) 7rem 7.5rem auto;
}

.option-grid-heading {
  align-items: center;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 850;
  padding: 0 0.18rem;
  text-transform: uppercase;
}

.option-grid label span {
  display: none;
}

.inline-empty,
.compact-empty {
  font-size: 0.78rem;
  padding: 0.65rem;
}

.choice-check-list {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  gap: 0.45rem;
  padding: 0.55rem;
}

.mini-check-list {
  max-height: 13rem;
  overflow-y: auto;
}

.choice-check {
  align-items: center;
  background: var(--panel-soft);
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--text);
  display: flex;
  flex-direction: row;
  gap: 0.55rem;
  padding: 0.55rem 0.62rem;
}

.choice-check:has(input:checked) {
  background: rgba(17, 119, 255, 0.08);
  border-color: rgba(17, 119, 255, 0.22);
}

.choice-check strong,
.choice-check small {
  display: block;
}

.choice-check strong {
  font-size: 0.82rem;
}

.choice-check small {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  margin-top: 0.08rem;
}

.chat-log {
  background: linear-gradient(180deg, #f8fbff, #f3f8f5);
  border: 1px solid var(--line);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  height: 33rem;
  overflow-y: auto;
  padding: 0.9rem;
}

.bubble {
  border-radius: 16px;
  max-width: 84%;
  padding: 0.68rem 0.78rem;
}

.bubble.inbound {
  align-self: flex-end;
  background: #dff5ea;
  color: #103525;
}

.bubble.outbound {
  align-self: flex-start;
  background: #fff;
  border: 1px solid var(--line);
}

.bubble-role {
  color: var(--muted);
  display: block;
  font-size: 0.68rem;
  font-weight: 850;
  margin-bottom: 0.2rem;
  text-transform: uppercase;
}

.choice-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.55rem;
}

.choice-chip {
  background: rgba(17, 119, 255, 0.1);
  border-radius: 999px;
  color: #115fcf;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.35rem 0.58rem;
}

.message-form {
  display: grid;
  gap: 0.65rem;
  grid-template-columns: minmax(0, 1fr) auto;
}

.empty-state,
.error-state {
  border: 1px dashed var(--line);
  border-radius: 12px;
  color: var(--muted);
  font-size: 0.82rem;
  padding: 0.8rem;
}

.error-state {
  background: rgba(194, 65, 59, 0.08);
  border-color: rgba(194, 65, 59, 0.22);
  color: var(--red);
}

.toast {
  background: #112033;
  border-radius: 12px;
  bottom: 1rem;
  box-shadow: 0 16px 42px rgba(17, 32, 51, 0.24);
  color: #fff;
  font-size: 0.86rem;
  left: 50%;
  opacity: 0;
  padding: 0.78rem 0.95rem;
  pointer-events: none;
  position: fixed;
  transform: translate(-50%, 1rem);
  transition: opacity 160ms ease, transform 160ms ease;
  z-index: 10;
}

.toast.visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (max-width: 1180px) {
  .studio-grid,
  .work-grid {
    grid-template-columns: 1fr;
  }

  .side-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1500px) and (min-width: 1181px) {
  .work-grid {
    grid-template-columns: 1fr;
  }

  .simulator-panel {
    max-width: 100%;
  }
}

@media (max-width: 760px) {
  .app-shell {
    padding: 0.75rem;
  }

  .topbar,
  .access-panel,
  .selection-bar,
  .panel-heading,
  .side-panel {
    align-items: stretch;
    flex-direction: column;
    grid-template-columns: 1fr;
  }

  .status-strip,
  .button-row,
  .message-form {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .compact-grid,
  .category-grid,
  .modifier-grid,
  .two-col-grid,
  .three-col-grid,
  .four-col-grid,
  .five-col-grid,
  .six-col-grid,
  .cart-component-grid,
  .fulfillment-grid,
  .simple-row-grid,
  .option-grid,
  .node-editor-grid,
  .access-form {
    grid-template-columns: 1fr;
  }

  .option-grid-heading {
    display: none;
  }

  .option-grid label span {
    display: block;
  }

  .status-strip,
  .button-row {
    align-items: stretch;
    flex-direction: column;
  }

  .chat-log {
    height: 26rem;
  }
}