:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --text: #101828;
  --muted: #667085;
  --line: #d9e1ec;
  --line-strong: #b8c4d4;
  --accent: #1167f5;
  --accent-2: #10b7d8;
  --accent-soft: #e7f0ff;
  --danger: #c3293b;
  --shadow: 0 14px 38px rgba(16, 24, 40, 0.12);
  --radius: 8px;
  --toolbar-h: 56px;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
}

body {
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

button {
  cursor: pointer;
}

button:disabled,
fieldset:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.app {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  padding: 10px 16px;
  backdrop-filter: blur(12px);
}

.brand,
.top-actions,
.toolbar,
.statusbar,
.stepper,
.button-row {
  display: flex;
  align-items: center;
}

.brand {
  min-width: max-content;
  gap: 10px;
}

.brand-mark {
  display: block;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border-radius: 8px;
  box-shadow: 0 8px 18px rgba(17, 103, 245, 0.2);
}

.brand-name {
  font-size: 18px;
  font-weight: 750;
  letter-spacing: 0;
}

.top-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.button,
.icon-button,
.select-wrap {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 14px;
  font-size: 14px;
  font-weight: 680;
}

.button:hover,
.icon-button:hover,
.select-wrap:focus-within {
  border-color: var(--line-strong);
  box-shadow: 0 4px 12px rgba(16, 24, 40, 0.08);
}

.button:active,
.icon-button:active {
  transform: translateY(1px);
}

.button-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.button-primary:hover {
  border-color: #0759dc;
  background: #0759dc;
}

.button-secondary {
  background: #ffffff;
}

.button-ghost {
  min-height: 36px;
  padding: 0 12px;
  background: transparent;
}

.button-danger {
  border-color: #f0b8c0;
  background: #fff5f6;
  color: var(--danger);
}

.icon-button {
  display: inline-grid;
  width: 40px;
  height: 40px;
  place-items: center;
  padding: 0;
}

.icon-button.active {
  border-color: #98c5ff;
  background: var(--accent-soft);
  color: var(--accent);
}

.select-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 8px 0 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 680;
}

.select-wrap select {
  height: 38px;
  min-width: 154px;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  outline: none;
}

.shell {
  display: grid;
  flex: 1;
  min-height: 0;
  grid-template-columns: minmax(0, 1fr) 344px;
}

.privacy-footer {
  display: grid;
  gap: 4px;
  border-top: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  padding: 12px 16px;
  text-align: center;
  font-size: 13px;
  line-height: 1.5;
}

.privacy-footer strong {
  color: var(--text);
  font-weight: 700;
}

.workspace {
  display: grid;
  min-width: 0;
  min-height: 0;
  grid-template-rows: var(--toolbar-h) minmax(0, 1fr) 44px;
  border-right: 1px solid var(--line);
}

.toolbar {
  gap: 8px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  padding: 8px 14px;
}

.toolbar-separator {
  width: 1px;
  height: 28px;
  margin: 0 4px;
  background: var(--line);
}

.toolbar-spacer {
  flex: 1;
}

.zoom-label,
.status-text,
.statusbar {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.zoom-label {
  min-width: 54px;
  text-align: center;
}

.stage {
  position: relative;
  min-height: 0;
  overflow: auto;
  background:
    linear-gradient(90deg, rgba(17, 103, 245, 0.04) 1px, transparent 1px),
    linear-gradient(rgba(17, 103, 245, 0.04) 1px, transparent 1px),
    #eef3f9;
  background-size: 24px 24px;
  padding: 28px;
}

.empty-state {
  display: grid;
  width: min(480px, calc(100% - 32px));
  min-height: 300px;
  margin: min(12vh, 96px) auto;
  place-items: center;
  align-content: center;
  gap: 14px;
  border: 1px dashed #adc1d9;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  color: var(--muted);
  text-align: center;
}

.empty-state.drag-over,
.stage.drag-over .empty-state {
  border-color: var(--accent);
  background: rgba(231, 240, 255, 0.88);
}

.empty-state p {
  margin: 0;
  font-size: 14px;
}

.empty-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.empty-icon {
  display: grid;
  width: 66px;
  height: 66px;
  place-items: center;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
}

.empty-icon svg {
  width: 34px;
  height: 34px;
}

.canvas-wrap {
  position: relative;
  width: max-content;
  height: max-content;
  margin: 0 auto;
  box-shadow: var(--shadow);
}

.canvas-wrap.hidden,
.empty-state.hidden,
.inline-editor.hidden,
.progress-overlay.hidden,
.guide-overlay.hidden {
  display: none;
}

.progress-overlay {
  position: absolute;
  inset: 0;
  z-index: 12;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
  background: rgba(238, 243, 249, 0.68);
  pointer-events: none;
}

.progress-card {
  display: grid;
  width: min(520px, 100%);
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  border: 1px solid #c9d6e7;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.16);
  padding: 16px;
  pointer-events: auto;
}

.progress-spinner {
  width: 34px;
  height: 34px;
  border: 3px solid #d8e5f5;
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 880ms linear infinite;
}

.progress-copy {
  min-width: 0;
}

.progress-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.progress-row strong {
  font-size: 15px;
  line-height: 1.2;
}

.progress-row span {
  color: var(--accent);
  font-size: 13px;
  font-weight: 750;
}

.progress-copy p {
  margin: 6px 0 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.progress-track {
  overflow: hidden;
  height: 8px;
  border-radius: 999px;
  background: #e7edf6;
}

.progress-fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 180ms ease;
}

.progress-track.indeterminate .progress-fill {
  width: 42%;
  animation: progress-slide 1.1s ease-in-out infinite;
}

#editorCanvas {
  display: block;
  background: #ffffff;
}

.canvas-wrap.tool-crosshair #editorCanvas {
  cursor: crosshair;
}

.inline-editor {
  position: absolute;
  z-index: 5;
  display: block;
  min-width: 28px;
  min-height: 22px;
  resize: none;
  overflow: hidden;
  border: 1px solid rgba(17, 103, 245, 0.65);
  border-radius: 2px;
  background: transparent;
  color: #111827;
  outline: 2px solid rgba(17, 103, 245, 0.14);
  padding: 0;
  white-space: pre-wrap;
}

.statusbar {
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
  background: var(--surface);
  padding: 0 16px;
}

.inspector {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 18px;
  background: var(--surface);
  padding: 22px 18px;
}

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

.inspector h1 {
  margin: 0;
  font-size: 21px;
  line-height: 1.2;
}

.inspector p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.stepper {
  gap: 8px;
}

.control-stack {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 16px;
  border: 0;
  margin: 0;
  padding: 0;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  color: #344054;
  font-size: 13px;
  font-weight: 720;
}

.field textarea,
.field input[type="number"],
.field input[type="color"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  color: var(--text);
  outline: none;
}

.field textarea {
  min-height: 126px;
  padding: 12px;
  resize: vertical;
  font-size: 14px;
  line-height: 1.45;
}

.field input[type="number"] {
  height: 42px;
  padding: 0 10px;
}

.field input[type="color"] {
  height: 42px;
  padding: 5px;
}

.field input[type="range"] {
  accent-color: var(--accent);
}

.field textarea:focus,
.field input:focus {
  border-color: #8dbbff;
  box-shadow: 0 0 0 3px rgba(17, 103, 245, 0.12);
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.button-row {
  gap: 10px;
}

.button-row .button {
  flex: 1;
}

.guide-open {
  overflow: hidden;
}

.guide-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: transparent;
}

.guide-spotlight {
  position: fixed;
  z-index: 61;
  border: 2px solid #ffffff;
  border-radius: 10px;
  box-shadow:
    0 0 0 9999px rgba(15, 23, 42, 0.54),
    0 0 0 6px rgba(17, 103, 245, 0.22),
    0 14px 38px rgba(15, 23, 42, 0.18);
  pointer-events: none;
  transition:
    left 620ms cubic-bezier(0.22, 1, 0.36, 1),
    top 620ms cubic-bezier(0.22, 1, 0.36, 1),
    width 620ms cubic-bezier(0.22, 1, 0.36, 1),
    height 620ms cubic-bezier(0.22, 1, 0.36, 1);
}

.guide-cursor {
  position: fixed;
  z-index: 63;
  width: 34px;
  height: 34px;
  color: #ffffff;
  filter: drop-shadow(0 6px 12px rgba(15, 23, 42, 0.32));
  pointer-events: none;
  transform: translate(-5px, -2px);
  transition:
    left 720ms cubic-bezier(0.22, 1, 0.36, 1),
    top 720ms cubic-bezier(0.22, 1, 0.36, 1);
}

.guide-cursor svg {
  width: 34px;
  height: 34px;
  fill: rgba(17, 103, 245, 0.96);
  stroke: #ffffff;
  stroke-width: 1.6;
}

.guide-click-ring {
  position: absolute;
  left: 14px;
  top: 10px;
  width: 6px;
  height: 6px;
  border: 2px solid #ffffff;
  border-radius: 999px;
  opacity: 0;
}

.guide-cursor.is-clicking .guide-click-ring {
  animation: guide-click 760ms ease-out;
}

.guide-callout {
  position: fixed;
  z-index: 64;
  border: 1px solid #c9d6e7;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.22);
  padding: 14px;
  transition:
    left 620ms cubic-bezier(0.22, 1, 0.36, 1),
    top 620ms cubic-bezier(0.22, 1, 0.36, 1);
}

.guide-callout-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.guide-callout-header span {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  border-radius: 999px;
  background: #0f172a;
  color: #ffffff;
  padding: 0 9px;
  font-size: 12px;
  font-weight: 760;
}

.guide-callout h2 {
  margin: 0 0 6px;
  color: var(--text);
  font-size: 18px;
  line-height: 1.18;
}

.guide-callout p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.guide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 13px;
}

.guide-actions .button {
  min-height: 34px;
  flex: 1;
  padding: 0 10px;
  font-size: 13px;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 50;
  max-width: min(360px, calc(100vw - 36px));
  transform: translateY(12px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #111827;
  color: #ffffff;
  opacity: 0;
  padding: 12px 14px;
  pointer-events: none;
  transition:
    opacity 160ms ease,
    transform 160ms ease;
  font-size: 14px;
  box-shadow: var(--shadow);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 980px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .top-actions {
    width: 100%;
    justify-content: flex-start;
  }

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

  .workspace {
    min-height: 70vh;
    border-right: 0;
  }

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

}

@media (max-width: 640px) {
  .brand-name {
    font-size: 16px;
  }

  .top-actions,
  .toolbar {
    gap: 8px;
  }

  .button {
    min-height: 38px;
    padding: 0 11px;
  }

  .select-wrap {
    width: 100%;
  }

  .select-wrap select {
    min-width: 0;
    flex: 1;
  }

  .stage {
    padding: 16px;
  }

  .toolbar {
    overflow-x: auto;
  }

  .status-text {
    min-width: 160px;
  }

  .progress-overlay {
    padding: 16px;
  }

  .progress-card {
    grid-template-columns: 32px minmax(0, 1fr);
    padding: 13px;
  }

  .progress-spinner {
    width: 28px;
    height: 28px;
  }

  .guide-callout {
    max-width: calc(100vw - 24px);
    padding: 12px;
  }

  .guide-callout h2 {
    font-size: 16px;
  }

  .guide-actions .button {
    min-width: 84px;
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes progress-slide {
  0% {
    transform: translateX(-115%);
  }
  100% {
    transform: translateX(250%);
  }
}

@keyframes guide-click {
  0% {
    opacity: 0.86;
    transform: scale(0.4);
  }
  100% {
    opacity: 0;
    transform: scale(5.2);
  }
}