:root {
  --brand-deep: #0b2e33;
  --brand-primary: #0f5a63;
  --brand-teal: #159b88;
  --brand-orange: #f56b49;
  --brand-gold: #f3c35b;
  --ink: #102529;
  --muted: #607277;
  --surface: #ffffff;
  --surface-soft: #f4f8f8;
  --border: #d8e3e3;
  --success: #18794e;
  --danger: #b42318;
  --shadow-sm: 0 10px 30px rgba(12, 56, 61, 0.08);
  --shadow-lg: 0 30px 80px rgba(8, 42, 47, 0.16);
  --radius-sm: 12px;
  --radius: 18px;
  --radius-lg: 28px;
  --focus: 0 0 0 4px rgba(21, 155, 136, 0.25);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--surface-soft);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

button {
  touch-action: manipulation;
}

button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 16px;
  z-index: 999;
  transform: translateY(-160%);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  padding: 10px 14px;
  font-weight: 700;
  text-decoration: none;
}

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

.container {
  width: min(1180px, calc(100% - 32px));
  margin-inline: auto;
}

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(8, 44, 49, 0.98), rgba(15, 90, 99, 0.96) 58%, rgba(245, 107, 73, 0.92));
  color: #fff;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.25;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 92%);
}

.hero__content {
  position: relative;
  z-index: 2;
  padding-block: 44px 52px;
}

.hero__glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(8px);
  opacity: 0.45;
}

.hero__glow--one {
  width: 260px;
  height: 260px;
  right: -90px;
  top: -120px;
  background: var(--brand-gold);
}

.hero__glow--two {
  width: 220px;
  height: 220px;
  left: -90px;
  bottom: -140px;
  background: var(--brand-teal);
}

.event-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.event-pill {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.event-pill--filled {
  border-color: transparent;
  background: rgba(255, 255, 255, 0.15);
}

.eyebrow,
.preview-heading__eyebrow,
.success-section__eyebrow {
  margin: 22px 0 8px;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(2.2rem, 7vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.hero h1 span {
  background: linear-gradient(90deg, var(--brand-gold), #fff1bd, var(--brand-orange));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__subtitle {
  max-width: 700px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.main-content {
  padding-block: 24px 56px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.step {
  display: flex;
  min-height: 58px;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.7);
  padding: 10px 12px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 750;
  transition: 180ms ease;
}

.step__number,
.section-heading__number {
  display: inline-grid;
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 999px;
  background: #e7eeee;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 900;
}

.step.is-complete {
  border-color: rgba(24, 121, 78, 0.28);
  background: #effaf4;
  color: #155c3e;
}

.step.is-complete .step__number {
  background: var(--success);
  color: #fff;
}

.workspace {
  display: grid;
  gap: 18px;
}

.controls-panel,
.preview-panel {
  border: 1px solid rgba(15, 90, 99, 0.12);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.controls-panel {
  padding: 18px;
}

.preview-panel {
  padding: 18px;
}

.panel-section + .panel-section {
  margin-top: 26px;
  border-top: 1px solid #eaf0f0;
  padding-top: 24px;
}

.section-heading {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.section-heading__number {
  background: var(--brand-primary);
  color: #fff;
}

.section-heading h2,
.preview-heading h2,
.download-card h2,
.success-section h2,
.save-dialog h2 {
  margin: 0;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.2;
}

.section-heading p,
.download-card p,
.success-section p,
.save-dialog p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.format-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.format-card {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  min-height: 86px;
  align-items: center;
  column-gap: 12px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  padding: 14px;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease,
    box-shadow 160ms ease;
}

.format-card:hover {
  transform: translateY(-1px);
  border-color: rgba(15, 90, 99, 0.4);
}

.format-card.is-active {
  border-color: var(--brand-primary);
  background: linear-gradient(145deg, var(--brand-deep), var(--brand-primary));
  color: #fff;
  box-shadow: 0 14px 34px rgba(15, 90, 99, 0.22);
}

.format-card__check {
  position: absolute;
  top: 10px;
  right: 10px;
  display: none;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 50%;
  background: #fff;
  color: var(--brand-primary);
  font-size: 0.75rem;
  font-weight: 900;
}

.format-card.is-active .format-card__check {
  display: grid;
}

.format-card__icon {
  grid-row: 1 / span 2;
  display: block;
  width: 34px;
  border: 2px solid currentColor;
  border-radius: 6px;
  opacity: 0.8;
}

.format-card__icon--story {
  height: 54px;
}

.format-card__icon--feed {
  height: 43px;
}

.format-card strong {
  align-self: end;
  padding-right: 22px;
  font-size: 0.88rem;
}

.format-card > span:last-child {
  align-self: start;
  color: currentColor;
  font-size: 0.75rem;
  opacity: 0.72;
}

.upload-zone {
  display: flex;
  min-height: 220px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 2px dashed #b8cece;
  border-radius: var(--radius);
  background: linear-gradient(180deg, #fbfdfd, #f2f8f8);
  padding: 24px 16px;
  text-align: center;
  cursor: pointer;
  transition: 180ms ease;
}

.upload-zone:hover,
.upload-zone.is-dragging {
  border-color: var(--brand-teal);
  background: #effaf8;
}

.upload-zone.is-invalid {
  border-color: var(--danger);
  background: #fff6f5;
}

.upload-zone__icon {
  display: grid;
  width: 54px;
  height: 54px;
  margin-bottom: 12px;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--brand-primary), var(--brand-teal));
  color: #fff;
  font-size: 1.8rem;
  font-weight: 300;
  box-shadow: 0 12px 28px rgba(15, 90, 99, 0.22);
}

.upload-zone strong {
  font-size: 0.98rem;
}

.upload-zone > span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.82rem;
}

.upload-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 18px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 13px;
  padding: 11px 16px;
  font-weight: 800;
  line-height: 1.1;
  text-align: center;
  cursor: pointer;
  transition: transform 150ms ease, opacity 150ms ease, box-shadow 150ms ease,
    background 150ms ease;
}

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

.button:disabled {
  cursor: not-allowed;
  opacity: 0.44;
}

.button--primary {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-teal));
  color: #fff;
  box-shadow: 0 10px 24px rgba(15, 90, 99, 0.18);
}

.button--secondary {
  border-color: var(--border);
  background: #f0f5f5;
  color: var(--ink);
}

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

.button--download {
  width: 100%;
  min-height: 58px;
  background: linear-gradient(115deg, #f08a3a, var(--brand-orange) 52%, #e34c35);
  color: #fff;
  font-size: 1rem;
  box-shadow: 0 16px 36px rgba(245, 107, 73, 0.3);
}

.button__spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.microcopy,
.privacy-note,
.keyboard-hint {
  color: var(--muted);
  font-size: 0.74rem;
}

.microcopy {
  margin: 12px 0 0;
}

.privacy-note {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  margin: 10px 0 0;
}

.field-error {
  margin: 10px 0 0;
  border-radius: 10px;
  background: #fff0ee;
  padding: 10px 12px;
  color: var(--danger);
  font-size: 0.8rem;
  font-weight: 700;
}

.zoom-row {
  display: grid;
  grid-template-columns: 44px 1fr 44px 52px;
  align-items: center;
  gap: 8px;
}

.icon-button {
  display: inline-grid;
  width: 44px;
  min-width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  font-size: 1.25rem;
  font-weight: 700;
  cursor: pointer;
}

.icon-button:disabled {
  cursor: not-allowed;
  opacity: 0.4;
}

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

#zoom-value {
  color: var(--muted);
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.secondary-actions,
.success-actions {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.preview-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.preview-heading__eyebrow {
  margin: 0 0 4px;
  color: var(--brand-primary);
}

.format-badge {
  display: inline-flex;
  min-width: 54px;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: #eaf4f3;
  color: var(--brand-primary);
  font-size: 0.76rem;
  font-weight: 900;
}

.canvas-shell {
  position: relative;
  width: 100%;
  max-width: 420px;
  margin-inline: auto;
  overflow: hidden;
  border-radius: 22px;
  background: #0a3136;
  box-shadow: var(--shadow-lg);
  transition: max-width 220ms ease;
}

.canvas-shell--story {
  max-width: 380px;
}

.canvas-shell--feed {
  max-width: 480px;
}

#preview-canvas {
  display: block;
  width: 100%;
  height: auto;
  background: #0c3439;
  cursor: default;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

#preview-canvas.is-ready {
  cursor: grab;
}

#preview-canvas.is-ready:active {
  cursor: grabbing;
}

.empty-preview {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 50% 38%, rgba(21, 155, 136, 0.3), transparent 24%),
    linear-gradient(145deg, rgba(7, 43, 48, 0.94), rgba(15, 90, 99, 0.86));
  color: #fff;
  padding: 22px;
  text-align: center;
  pointer-events: none;
}

.empty-preview__avatar {
  display: grid;
  width: 72px;
  height: 72px;
  margin-bottom: 16px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  font-size: 2rem;
  font-weight: 300;
}

.empty-preview span {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8rem;
}

.safe-area {
  position: absolute;
  inset: 8%;
  border: 1px dashed rgba(255, 255, 255, 0.48);
  border-radius: 14px;
  pointer-events: none;
  box-shadow: 0 0 0 999px rgba(5, 25, 28, 0.04);
}

.safe-area span {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 999px;
  background: rgba(5, 31, 35, 0.58);
  padding: 3px 8px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.keyboard-hint {
  margin: 12px auto 0;
  text-align: center;
}

kbd {
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: #fff;
  padding: 1px 5px;
  color: var(--ink);
  font-family: inherit;
}

.download-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 22px;
  border: 1px solid #f7d6ca;
  border-radius: var(--radius);
  background: linear-gradient(145deg, #fffaf7, #fff);
  padding: 16px;
}

.download-card .section-heading__number {
  background: var(--brand-orange);
}

.download-card__content {
  flex: 1;
  min-width: 0;
}

.download-card .button {
  margin-top: 12px;
}

.success-section {
  display: flex;
  gap: 16px;
  margin-top: 20px;
  border: 1px solid rgba(24, 121, 78, 0.22);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, #f0fbf5, #fff);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.success-section[hidden] {
  display: none;
}

.success-section__icon {
  display: grid;
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 50%;
  background: var(--success);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 900;
}

.success-section__content {
  min-width: 0;
  flex: 1;
}

.success-section__eyebrow {
  margin: 0 0 4px;
  color: var(--success);
}

.caption-box {
  margin-top: 14px;
  border: 1px dashed rgba(24, 121, 78, 0.28);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.75);
  padding: 12px;
}

.caption-box p {
  margin: 0;
  color: #285142;
  font-size: 0.78rem;
}

.site-footer {
  border-top: 1px solid rgba(15, 90, 99, 0.12);
  background: #fff;
}

.site-footer .container {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-block: 24px;
  color: var(--muted);
  font-size: 0.78rem;
  text-align: center;
}

.toast-region {
  position: fixed;
  z-index: 1000;
  top: max(16px, env(safe-area-inset-top));
  left: 50%;
  display: grid;
  width: min(420px, calc(100% - 28px));
  gap: 8px;
  transform: translateX(-50%);
  pointer-events: none;
}

.toast {
  border: 1px solid rgba(15, 90, 99, 0.2);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.96);
  padding: 12px 14px;
  color: var(--ink);
  box-shadow: var(--shadow-lg);
  font-size: 0.82rem;
  font-weight: 750;
  animation: toast-in 180ms ease both;
}

.toast--error {
  border-color: rgba(180, 35, 24, 0.25);
  color: var(--danger);
}

.toast--success {
  border-color: rgba(24, 121, 78, 0.25);
  color: var(--success);
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
}

.save-dialog {
  width: min(720px, calc(100% - 24px));
  max-height: calc(100dvh - 24px);
  overflow: auto;
  border: 0;
  border-radius: 22px;
  padding: 18px;
  box-shadow: 0 30px 120px rgba(3, 26, 29, 0.35);
}

.save-dialog::backdrop {
  background: rgba(3, 25, 28, 0.74);
  backdrop-filter: blur(6px);
}

.save-dialog__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.save-dialog img {
  display: block;
  width: 100%;
  max-height: 65dvh;
  margin: 14px auto;
  object-fit: contain;
  border-radius: 14px;
  background: #edf3f3;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(1px, 1px, 1px, 1px) !important;
  white-space: nowrap !important;
  clip-path: inset(50%) !important;
}

[hidden] {
  display: none !important;
}

@media (min-width: 520px) {
  .format-grid,
  .secondary-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .secondary-actions .button:last-child {
    grid-column: 1 / -1;
  }

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

@media (min-width: 760px) {
  .hero__content {
    padding-block: 64px 72px;
  }

  .main-content {
    padding-block: 34px 72px;
  }

  .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .controls-panel,
  .preview-panel {
    padding: 24px;
  }

  .secondary-actions {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .secondary-actions .button:last-child {
    grid-column: auto;
  }

  .success-actions {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .workspace {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .preview-panel {
    position: sticky;
    top: 18px;
  }
}

@media (hover: none), (pointer: coarse) {
  .keyboard-hint {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}