:root {
  color-scheme: light;
  --bg: #edf2f6;
  --panel: rgba(255, 255, 255, 0.94);
  --ink: #0f172a;
  --muted: #667085;
  --line: rgba(15, 23, 42, 0.08);
  --line-strong: rgba(15, 23, 42, 0.12);
  --blue: #0a84ff;
  --blue-dark: #005aec;
  --soft-blue: rgba(10, 132, 255, 0.12);
  --danger: #d14343;
  --snap: #0a84ff;
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --shadow: 0 28px 70px rgba(15, 23, 42, 0.08);
  --font-sans: Inter, "Segoe UI", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", Arial, sans-serif;
  font-family: var(--font-sans);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.95), transparent 38%),
    radial-gradient(circle at top right, rgba(173, 217, 255, 0.42), transparent 28%),
    linear-gradient(180deg, #f8fafc 0%, var(--bg) 100%);
  color: var(--ink);
  font-family: var(--font-sans);
}

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

button {
  min-height: 44px;
  border: 1px solid rgba(10, 132, 255, 0.24);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--ink);
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease;
}

button:hover,
button:focus-visible {
  border-color: var(--blue);
  box-shadow: 0 12px 24px rgba(10, 132, 255, 0.14);
  outline: none;
}

button:active {
  transform: translateY(1px);
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  border-color: var(--line);
  background: #f2f5f8;
  color: #98a2b3;
  cursor: not-allowed;
  box-shadow: none;
}

svg {
  display: block;
}

.layout-shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.app-hero,
.panel {
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: var(--radius-xl);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.app-hero {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 18px;
  margin-bottom: 26px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.hero-main {
  min-width: 0;
  text-align: center;
}

.app-hero h1 {
  margin: 0;
  font-size: 36px;
  letter-spacing: 0;
  line-height: 1.18;
  padding-bottom: 2px;
}

.tool-tabs {
  display: flex;
  width: fit-content;
  margin: 0 auto;
  gap: 8px;
  padding: 5px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 999px;
  background: rgba(238, 244, 251, 0.86);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.74);
}

.tool-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 18px;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.tool-tab.active {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 10px 22px rgba(10, 132, 255, 0.22);
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 430px);
  gap: 20px;
  align-items: start;
}

.stage-panel,
.tool-panel {
  min-width: 0;
  padding: 22px;
}

.controls-stack {
  display: grid;
  gap: 18px;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.section-title h2 {
  margin: 0;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.25;
}

.section-title span {
  color: var(--muted);
  font-weight: 500;
}

.compact-title {
  margin: 0 0 18px;
}

.stage-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 12px;
}

.stage-actions span {
  color: #667085;
  font-size: 16px;
  line-height: 1.35;
  font-weight: 500;
}

.ghost-button {
  min-height: 42px;
  padding: 0 14px;
  border-radius: 18px;
  font-weight: 800;
}

.subtle-button {
  display: none;
}

.subtle-button.visible {
  display: inline-flex;
  align-items: center;
}

.primary-button {
  width: 100%;
  min-height: 58px;
  border-color: transparent;
  border-radius: 18px;
  background: linear-gradient(180deg, #0a84ff 0%, #0a65e8 100%);
  color: #fff;
  font-size: 18px;
  box-shadow: 0 12px 28px rgba(10, 132, 255, 0.24);
}

.danger-button {
  color: var(--danger);
  border-color: rgba(209, 67, 67, 0.28);
}

.canvas-wrap {
  position: relative;
  overflow: hidden;
  height: 620px;
  border: 1px solid rgb(236, 237, 238);
  border-radius: var(--radius-lg);
  background: #636363;
}

.canvas-wrap.is-panning {
  cursor: grabbing;
}

.canvas-wrap.dragover .drop-zone {
  border-color: var(--blue);
  background: rgba(248, 250, 252, 0.94);
}

.hidden {
  display: none !important;
}

.canvas-tool-dock {
  position: absolute;
  z-index: 6;
  top: 14px;
  left: 50%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.14);
  transform: translateX(-50%);
  backdrop-filter: blur(14px);
}

.canvas-tool-button {
  display: inline-grid;
  width: 34px;
  height: 34px;
  min-height: 34px;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: rgba(248, 250, 252, 0.92);
  color: var(--ink);
  box-shadow: none;
}

.canvas-tool-button:hover,
.canvas-tool-button:focus-visible {
  background: rgba(10, 132, 255, 0.12);
  color: var(--blue-dark);
}

.canvas-tool-button svg {
  width: 17px;
  height: 17px;
  fill: currentColor;
}

#canvasClearElementsButton svg {
  width: 18.7px;
  height: 18.7px;
}

#layoutCanvas {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  touch-action: none;
}

.text-layer {
  position: absolute;
  inset: 0;
  z-index: 3;
  overflow: hidden;
  pointer-events: none;
}

.image-item {
  position: absolute;
  min-width: 20px;
  min-height: 20px;
  pointer-events: auto;
  transform-origin: top left;
  user-select: none;
}

.image-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: fill;
  visibility: hidden;
  pointer-events: none;
}

.image-item.is-selected {
  box-shadow: 0 0 0 2px var(--blue);
}

.snap-layer {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.snap-line {
  position: absolute;
  background: rgba(10, 132, 255, 0.9);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.72);
}

.snap-line.vertical {
  width: 1px;
  transform: translateX(-0.5px);
}

.snap-line.horizontal {
  height: 1px;
  transform: translateY(-0.5px);
}

.text-box {
  position: absolute;
  min-width: 28px;
  min-height: 24px;
  color: var(--ink);
  line-height: 1.25;
  outline: 0;
  overflow: visible;
  pointer-events: auto;
  transform-origin: top left;
  user-select: none;
}

.text-box-content {
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  min-height: inherit;
  padding: 0;
  outline: 0;
  overflow: hidden;
  overscroll-behavior: none;
  white-space: pre-wrap;
  word-break: break-all;
  overflow-wrap: normal;
  hyphens: none;
  cursor: move;
  transform-origin: top left;
}

.text-box.is-selected {
  box-shadow: 0 0 0 2px var(--snap);
}

.text-box.is-editing .text-box-content {
  cursor: text;
  user-select: text;
  -webkit-user-select: text;
}

.text-box.is-editing .text-box-content::selection,
.text-box.is-editing .text-box-content *::selection {
  background: rgba(10, 132, 255, 0.24);
}

.resize-handle {
  position: absolute;
  z-index: 3;
  display: none;
  width: 12px;
  height: 12px;
  border: 2px solid var(--snap);
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 3px 8px rgba(10, 132, 255, 0.18);
}

.edge-handle {
  position: absolute;
  z-index: 2;
  display: none;
  background: transparent;
}

.text-box.is-selected .resize-handle {
  display: block;
}

.text-box.is-selected .edge-handle {
  display: block;
}

.text-box.is-editing .resize-handle {
  display: none;
}

.text-box.is-editing .edge-handle {
  display: none;
}

.resize-handle[data-handle="nw"] {
  top: -6px;
  left: -6px;
  cursor: nwse-resize;
}

.resize-handle[data-handle="ne"] {
  top: -6px;
  right: -6px;
  cursor: nesw-resize;
}

.resize-handle[data-handle="se"] {
  right: -6px;
  bottom: -6px;
  cursor: nwse-resize;
}

.resize-handle[data-handle="sw"] {
  bottom: -6px;
  left: -6px;
  cursor: nesw-resize;
}

.edge-handle[data-handle="n"] {
  top: -7px;
  left: 10px;
  right: 10px;
  height: 14px;
  cursor: ns-resize;
}

.edge-handle[data-handle="e"] {
  top: 10px;
  right: -7px;
  bottom: 10px;
  width: 14px;
  cursor: ew-resize;
}

.edge-handle[data-handle="s"] {
  right: 10px;
  bottom: -7px;
  left: 10px;
  height: 14px;
  cursor: ns-resize;
}

.edge-handle[data-handle="w"] {
  top: 10px;
  bottom: 10px;
  left: -7px;
  width: 14px;
  cursor: ew-resize;
}

.floating-text-toolbar {
  position: absolute;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 4px;
  min-height: 42px;
  max-width: calc(100% - 16px);
  padding: 5px 8px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.14);
  transform: translate(-50%, -100%);
  backdrop-filter: blur(14px);
  overflow: visible;
}

.floating-text-toolbar.hidden {
  display: none;
}

.float-tool {
  display: inline-grid;
  width: 26px;
  height: 26px;
  min-height: 26px;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: rgba(248, 250, 252, 0.92);
  color: var(--ink);
  font-size: 14px;
  box-shadow: none;
}

.float-tool svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.align-float-button svg {
  width: 11.2px;
  height: 11.2px;
}

#floatingCenterButton svg,
#floatingDeleteButton svg {
  width: 13px;
  height: 13px;
}

#floatingDeleteButton svg {
  width: 14.3px;
  height: 14.3px;
}

.float-color {
  width: 26px;
  height: 26px;
  min-height: 26px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  overflow: hidden;
}

.float-size {
  width: auto;
  min-width: 42px;
  max-width: 108px;
  height: 32px;
  min-height: 32px;
  padding: 0 8px;
  border: 0;
  border-radius: 999px;
  background: rgba(248, 250, 252, 0.92);
  color: var(--ink);
  font-size: 14px;
  font-weight: 400;
  text-align: center;
  transition: width 0.12s ease;
}

.float-spacing,
.float-line-height {
  width: auto;
}

.floating-text-toolbar input[type="number"] {
  appearance: textfield;
  -moz-appearance: textfield;
}

.floating-text-toolbar input[type="number"]::-webkit-inner-spin-button,
.floating-text-toolbar input[type="number"]::-webkit-outer-spin-button {
  margin: 0;
  -webkit-appearance: none;
}

.float-color::-webkit-color-swatch-wrapper {
  padding: 0;
}

.float-color::-webkit-color-swatch {
  border: 0;
  border-radius: 50%;
}

.float-separator {
  width: 1px;
  height: 24px;
  margin: 0 2px;
  background: rgba(15, 23, 42, 0.1);
}

.float-tool.italic {
  font-style: italic;
}

.float-tool.active {
  border-color: transparent;
  background: var(--blue);
  color: #fff;
}

.float-tool:disabled,
.float-size:disabled,
.float-color:disabled {
  opacity: 0.44;
  cursor: not-allowed;
}

.drop-zone {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  min-height: 360px;
  border: 0;
  border-radius: calc(var(--radius-lg) - 8px);
  background: rgba(249, 252, 255, 0.92);
  color: var(--ink);
  text-align: center;
  cursor: pointer;
}

.drop-zone.hidden {
  display: none;
}

.drop-zone input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.drop-zone strong {
  font-size: 18px;
  line-height: 1.4;
}

.drop-zone small {
  color: var(--muted);
  font-size: 14px;
}

.upload-icon {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border-radius: 50%;
  background: rgba(10, 132, 255, 0.1);
  color: var(--blue-dark);
}

.upload-icon svg {
  width: 29px;
  height: 29px;
  fill: currentColor;
}

.upload-background-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 0;
  background: #fff;
  color: var(--ink);
  box-shadow: none;
}

.upload-background-button:hover,
.upload-background-button:focus-visible {
  border-color: var(--blue);
  background: #fff;
  color: var(--ink);
}

.upload-background-button,
.upload-background-button *,
.upload-background-button svg {
  color: currentColor;
  fill: currentColor;
}

.button-upload-icon {
  display: inline-grid;
  width: 18px;
  height: 18px;
  place-items: center;
}

.button-upload-icon svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.button-trash-icon {
  display: inline-grid;
  width: 18px;
  height: 18px;
  place-items: center;
}

.button-trash-icon svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.clear-background-inline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
}

.tool-panel {
  display: grid;
  gap: 18px;
}

.property-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.74);
}

.background-card {
  padding: 20px;
}

.background-action-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-items: center;
  margin-bottom: 22px;
}

.number-grid,
.field-grid,
.export-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.text-metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

label,
.wide-field {
  display: grid;
  gap: 8px;
  color: #344054;
  font-size: 15px;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 52px;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background: #fff;
  color: var(--ink);
  font-size: 16px;
  font-weight: 400;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

input,
select {
  padding: 0 16px;
}

textarea {
  min-height: 116px;
  padding: 14px 16px;
  resize: vertical;
  line-height: 1.45;
  word-break: break-all;
  overflow-wrap: normal;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(10, 132, 255, 0.5);
  box-shadow: 0 0 0 4px rgba(10, 132, 255, 0.1);
}

.color-input {
  min-height: 52px;
  padding: 8px 10px;
}

.button-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.background-opacity-field {
  margin: 0 0 26px;
}

.background-card .number-grid {
  margin-bottom: 20px;
}

.title-button-group {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.text-content-field {
  margin-bottom: 22px;
}

.text-content-field + .number-grid,
.text-content-field + .text-metric-grid {
  margin-bottom: 22px;
}

.background-opacity-field span {
  margin-bottom: 14px;
}

.background-opacity-field input[type="range"] {
  min-height: 34px;
}

.text-toolbar {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 8px;
  margin-top: 14px;
}

.text-content-field textarea {
  background: #f2f5f8;
}

.icon-button {
  display: inline-grid;
  width: 40px;
  height: 40px;
  min-height: 40px;
  flex: 0 0 40px;
  padding: 0;
  place-items: center;
  border-radius: 12px;
  font-size: 17px;
}

.icon-button svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

#textCenterButton svg {
  width: 16px;
  height: 16px;
}

.icon-button.italic {
  font-style: italic;
}

.icon-button.active {
  border-color: transparent;
  background: var(--blue);
  color: #fff;
  box-shadow: 0 10px 20px rgba(10, 132, 255, 0.18);
}

.range-field span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.range-field strong {
  color: var(--ink);
  font-size: 16px;
}

input[type="range"] {
  min-height: 52px;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  accent-color: var(--blue);
}

@media (max-width: 1080px) {
  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .controls-stack {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .layout-shell {
    padding: 12px 10px 20px;
  }

  .app-hero {
    margin-bottom: 18px;
  }

  .app-hero h1 {
    font-size: 30px;
  }

  .tool-tabs {
    width: 100%;
  }

  .tool-tab {
    flex: 1 1 0;
    padding: 0 8px;
    font-size: 13px;
  }

  .stage-panel,
  .tool-panel {
    padding: 16px;
    border-radius: 24px;
  }

  .canvas-wrap {
    height: 460px;
  }

  .section-title {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .stage-actions {
    width: 100%;
    justify-content: space-between;
  }

  .number-grid,
  .field-grid,
  .text-metric-grid,
  .export-grid,
  .button-row {
    grid-template-columns: 1fr;
  }

  .text-toolbar .danger-button {
    width: 100%;
    margin-left: 0;
  }
}