:root {
  --primary: #8b5cf6;
  --primary-dark: #6d45d8;
  --ink: #21182f;
  --muted: #675f72;
  --surface: #fbf8ff;
  --surface-strong: #ffffff;
  --line: #e4daf6;
  --danger: #a8375d;
  --shadow: 0 18px 55px rgba(53, 34, 89, 0.12);
  color-scheme: light;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(135deg, rgba(139, 92, 246, 0.14), transparent 34%),
    linear-gradient(180deg, #fbf8ff 0%, #ffffff 45%, #f7f2ff 100%);
  color: var(--ink);
  overflow-x: hidden;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

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

.skip-link {
  background: var(--ink);
  color: #fff;
  left: 1rem;
  padding: 0.75rem 1rem;
  position: fixed;
  top: 1rem;
  transform: translateY(-140%);
  z-index: 20;
}

.skip-link:focus {
  transform: translateY(0);
}

.page-shell {
  margin: 0 auto;
  max-width: 1120px;
  padding: 32px 18px 56px;
}

.intro {
  align-items: center;
  display: grid;
  min-height: min(520px, 82vh);
  padding: 34px 0 18px;
}

.intro__copy {
  max-width: 820px;
  min-width: 0;
  width: 100%;
}

.eyebrow {
  color: var(--primary-dark);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 14px;
  text-transform: uppercase;
}

h1,
h2 {
  line-height: 1.02;
  margin: 0;
}

h1 {
  display: grid;
  font-size: clamp(2.25rem, 6vw, 4.75rem);
  gap: 0.08em;
  max-width: 880px;
  text-wrap: balance;
}

h1 span {
  display: block;
  white-space: nowrap;
}

h1 span:last-child {
  font-size: 0.78em;
}

h2 {
  font-size: clamp(1.8rem, 5vw, 3.2rem);
}

.intro__description {
  color: var(--muted);
  font-size: clamp(1.05rem, 3.5vw, 1.35rem);
  line-height: 1.6;
  margin: 24px 0 0;
  max-width: 720px;
}

.intro__meta {
  align-items: center;
  color: var(--primary-dark);
  display: flex;
  flex-wrap: wrap;
  font-size: 0.95rem;
  font-weight: 700;
  gap: 8px;
  margin: 18px 0 0;
}

.intro__meta strong {
  color: var(--ink);
}

.intro__banner {
  aspect-ratio: 1200 / 630;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  margin: 22px 0 0;
  max-width: 820px;
  overflow: hidden;
  width: 100%;
}

.intro__banner img {
  display: block;
  height: 100%;
  object-fit: contain;
  width: 100%;
}

.intro__instruction,
.helper-text,
.site-footer,
.modal p {
  color: var(--muted);
  line-height: 1.6;
}

.intro__instruction {
  border-left: 4px solid var(--primary);
  margin: 22px 0 28px;
  max-width: 680px;
  padding-left: 16px;
}

.campaign-story {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin: 0 0 24px;
  padding: clamp(18px, 4vw, 30px);
}

.campaign-story h2 {
  font-size: clamp(1.65rem, 4vw, 2.7rem);
}

.campaign-story__content {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.72;
  margin: 18px 0 0;
  max-width: 820px;
}

.campaign-story__content p {
  margin: 0;
}

.campaign-story__content p + p {
  margin-top: 14px;
}

.campaign-story__content p:first-child {
  color: var(--ink);
  font-size: 1.12rem;
  font-weight: 800;
}

.campaign-story__toggle {
  margin-top: 18px;
}

.initiative-cta {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.12), rgba(255, 255, 255, 0.94));
  border: 1px solid var(--line);
  border-radius: 8px;
  margin: 24px 0 0;
  padding: clamp(20px, 5vw, 36px);
}

.initiative-cta h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  max-width: 820px;
}

.initiative-cta__content {
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.72;
  margin: 18px 0 0;
  max-width: 820px;
}

.initiative-cta__content p {
  margin: 0;
}

.initiative-cta__content p + p {
  margin-top: 14px;
}

.initiative-cta__content p:last-child {
  color: var(--ink);
  font-weight: 800;
}

.initiative-cta__button {
  margin-top: 22px;
}

.creator {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: clamp(16px, 4vw, 32px);
}

.creator__header {
  align-items: end;
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  margin-bottom: 24px;
}

.helper-text {
  margin: 0;
}

.editor-layout {
  align-items: start;
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1fr) 330px;
}

.preview-panel {
  min-width: 0;
}

.canvas-wrap {
  aspect-ratio: 1;
  background: #f2ebff;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  touch-action: auto;
  user-select: none;
  width: 100%;
}

canvas {
  display: block;
  height: 100%;
  pointer-events: none;
  touch-action: auto;
  width: 100%;
}

.empty-state {
  align-items: center;
  display: flex;
  flex-direction: column;
  gap: 8px;
  inset: 0;
  justify-content: center;
  padding: 24px;
  pointer-events: none;
  position: absolute;
  text-align: center;
}

.empty-state {
  color: var(--muted);
}

.empty-state strong {
  color: var(--ink);
  font-size: 1.15rem;
}

.controls-panel {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 12px;
  padding: 14px;
}

.control-group,
.actions,
.share-grid {
  display: grid;
  gap: 10px;
}

.control-group {
  grid-template-columns: 1fr 1fr;
}

.control-group[aria-label] {
  align-items: center;
  grid-template-columns: 44px minmax(0, 1fr) 44px;
}

.button,
.icon-button {
  align-items: center;
  border: 1px solid transparent;
  border-radius: 8px;
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  min-height: 46px;
  padding: 0.7rem 0.85rem;
  text-align: center;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.button:hover:not(:disabled),
.icon-button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.button:active:not(:disabled),
.icon-button:active:not(:disabled) {
  transform: translateY(0);
}

.button--large {
  min-height: 48px;
  padding-inline: 1rem;
}

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

.button--primary:hover:not(:disabled) {
  background: var(--primary-dark);
}

.button--secondary {
  background: #5b3fa6;
  color: #fff;
}

.button--secondary:hover:not(:disabled) {
  background: #4a328d;
}

.button--ghost,
.icon-button {
  background: #fbf8ff;
  border-color: var(--line);
  color: var(--ink);
}

.button--danger {
  background: #fff1f6;
  border-color: #efc4d4;
  color: var(--danger);
}

.icon-button {
  font-size: 1.4rem;
  padding: 0;
}

.range-label {
  color: var(--ink);
  display: grid;
  font-size: 0.95rem;
  font-weight: 800;
  gap: 8px;
}

input[type="range"] {
  accent-color: var(--primary);
  width: 100%;
}

.status-message,
.error-message {
  font-weight: 700;
  line-height: 1.45;
  margin: 0;
  min-height: 1.45em;
}

.status-message {
  color: #1f6b3c;
}

.error-message {
  color: var(--danger);
}

.site-footer {
  margin: 0 auto;
  max-width: 1120px;
  padding: 0 18px 36px;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

.site-footer p + p {
  margin-top: 8px;
}

.modal[hidden],
.visually-hidden {
  display: none;
}

.modal {
  inset: 0;
  position: fixed;
  z-index: 30;
}

.modal__backdrop {
  background: rgba(32, 23, 19, 0.55);
  inset: 0;
  position: absolute;
}

.modal__content {
  background: #fff;
  border-radius: 8px;
  box-shadow: var(--shadow);
  left: 50%;
  max-width: min(92vw, 440px);
  padding: 28px;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
}

.modal__content h2 {
  font-size: 1.65rem;
}

.modal__close {
  background: transparent;
  border: 0;
  color: var(--muted);
  font-size: 1.8rem;
  line-height: 1;
  padding: 0.25rem;
  position: absolute;
  right: 14px;
  top: 12px;
}

@media (max-width: 860px) {
  .page-shell {
    padding-top: 18px;
  }

  .intro {
    min-height: auto;
    padding: 34px 0 48px;
  }

  .creator__header,
  .editor-layout {
    grid-template-columns: 1fr;
  }

  .controls-panel {
    padding: 14px;
  }
}

@media (max-width: 520px) {
  .page-shell {
    padding-inline: 12px;
  }

  .intro {
    padding-top: 24px;
  }

  .intro__banner {
    border-radius: 6px;
    margin-top: 18px;
  }

  .creator {
    padding: 12px;
  }

  h1 {
    font-size: clamp(1.35rem, 6.3vw, 2.2rem);
  }

  .control-group {
    grid-template-columns: 1fr;
  }

  .control-group[aria-label] {
    grid-template-columns: 44px minmax(0, 1fr) 44px;
  }

  .button {
    width: 100%;
  }
}