:root {
  color-scheme: light;
  --paper: #f5f0e7;
  --paper-deep: #ebe1d2;
  --ink: #1d1915;
  --muted: #756d64;
  --accent: #ef6c47;
  --accent-deep: #d94d29;
  --green: #1f9f5f;
  --line: rgba(29, 25, 21, 0.14);
  --card: rgba(255, 253, 249, 0.88);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 50% -15%, #fff9ef 0, transparent 38%),
    var(--paper);
  color: var(--ink);
}

button, textarea, a { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.ambient {
  position: fixed;
  z-index: -1;
  width: 38rem;
  height: 38rem;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.26;
  pointer-events: none;
}

.ambient-one { top: 16rem; left: -25rem; background: #ef6c47; }
.ambient-two { right: -27rem; top: 3rem; background: #e8bd69; }

.site-header {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 26px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wordmark {
  color: var(--ink);
  text-decoration: none;
  font-size: 1.75rem;
  font-weight: 850;
  letter-spacing: -0.08em;
}

.wordmark span { color: var(--accent); }

.badge {
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 650;
  letter-spacing: 0.03em;
}

main { width: min(920px, calc(100% - 32px)); margin: 0 auto; }

.hero { padding: 58px 0 42px; text-align: center; }

.eyebrow, .result-kicker {
  margin: 0 0 18px;
  color: var(--accent-deep);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

h1 {
  max-width: 820px;
  margin: 0 auto;
  font-size: clamp(2.65rem, 7vw, 5.8rem);
  line-height: 0.96;
  letter-spacing: -0.065em;
  font-weight: 830;
}

h1 em {
  color: var(--accent);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
}

.intro {
  max-width: 570px;
  margin: 28px auto 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.16rem);
  line-height: 1.6;
}

.workspace {
  position: relative;
  margin: 6px auto 0;
  padding: 14px;
  border: 1px solid rgba(255,255,255,.75);
  border-radius: 30px;
  background: var(--card);
  box-shadow: 0 28px 90px rgba(70, 48, 31, 0.13), inset 0 0 0 1px var(--line);
  backdrop-filter: blur(18px);
}

.step[hidden], .error-box[hidden] { display: none !important; }

.drop-zone {
  width: 100%;
  min-height: 280px;
  border: 1.5px dashed rgba(29,25,21,.28);
  border-radius: 20px;
  background: rgba(245,240,231,.54);
  color: var(--ink);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: border-color .2s, background .2s, transform .2s;
}

.drop-zone:hover, .drop-zone.dragging {
  border-color: var(--accent);
  background: rgba(239,108,71,.07);
  transform: translateY(-2px);
}

.upload-icon {
  width: 58px;
  height: 58px;
  margin-bottom: 8px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: white;
  box-shadow: 0 12px 28px rgba(29,25,21,.18);
}

.upload-icon svg { width: 27px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.drop-zone strong { font-size: 1.15rem; }
.drop-zone small { color: var(--muted); }

#editStep { display: grid; grid-template-columns: minmax(240px, .92fr) minmax(300px, 1.08fr); gap: 16px; }

.source-preview-wrap {
  position: relative;
  min-height: 410px;
  overflow: hidden;
  border-radius: 20px;
  background: #ded8cf;
}

.source-preview { width: 100%; height: 100%; position: absolute; object-fit: contain; }

.change-button {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 8px 12px;
  border: 0;
  border-radius: 999px;
  background: rgba(255,255,255,.9);
  color: var(--ink);
  font-size: .78rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 5px 18px rgba(0,0,0,.14);
}

.prompt-wrap {
  padding: clamp(22px, 4vw, 42px);
  display: flex;
  flex-direction: column;
}

.prompt-wrap label { margin-bottom: 13px; font-size: 1.25rem; font-weight: 760; letter-spacing: -.025em; }

textarea {
  width: 100%;
  min-height: 176px;
  resize: vertical;
  padding: 17px 18px;
  border: 1px solid var(--line);
  border-radius: 15px;
  outline: none;
  background: rgba(255,255,255,.7);
  color: var(--ink);
  line-height: 1.55;
  transition: border-color .2s, box-shadow .2s;
}

textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(239,108,71,.13); }
textarea::placeholder { color: #aaa097; }

.primary-button {
  width: 100%;
  min-height: 58px;
  margin-top: auto;
  border: 0;
  border-radius: 15px;
  padding: 0 20px;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  box-shadow: 0 13px 27px rgba(217,77,41,.24);
  transition: background .2s, transform .2s;
}

.primary-button:hover { background: var(--accent-deep); transform: translateY(-1px); }
.primary-button:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.primary-button svg { width: 25px; fill: none; stroke: currentColor; stroke-width: 2; }

.processing { min-height: 430px; padding: 55px 24px; text-align: center; display: flex; flex-direction: column; align-items: center; }

.processing-art {
  position: relative;
  width: 150px;
  height: 150px;
  margin-bottom: 26px;
  overflow: hidden;
  border-radius: 24px;
  background: linear-gradient(135deg, #e0c5a8, #e98565 48%, #5e5148);
  box-shadow: 0 18px 42px rgba(70,48,31,.22);
}

.processing-image { position: absolute; inset: 17px; border-radius: 13px; border: 1px solid rgba(255,255,255,.5); background: linear-gradient(145deg, rgba(255,255,255,.45), rgba(255,255,255,.08)); }
.scan-line { position: absolute; left: 0; right: 0; height: 3px; background: white; box-shadow: 0 0 15px 4px rgba(255,255,255,.55); animation: scan 2s ease-in-out infinite; }
@keyframes scan { 0%,100% { top: 14%; opacity: .45; } 50% { top: 84%; opacity: 1; } }

.processing h2, .result h2 { margin: 0; font-size: clamp(1.65rem, 4vw, 2.3rem); letter-spacing: -.045em; }
.processing p { margin: 10px 0 22px; color: var(--muted); }
.processing small { margin-top: 14px; color: var(--muted); }
.progress-track { width: min(420px, 90%); height: 7px; overflow: hidden; border-radius: 99px; background: var(--paper-deep); }
.progress-bar { width: 42%; height: 100%; border-radius: inherit; background: var(--accent); animation: progress 1.7s ease-in-out infinite alternate; }
@keyframes progress { from { transform: translateX(-65%); } to { transform: translateX(205%); } }

.result { padding: clamp(20px, 4vw, 38px); text-align: center; }
.result-kicker { margin-bottom: 8px; }
.result-image { display: block; width: auto; max-width: 100%; max-height: 68vh; margin: 26px auto 22px; border-radius: 18px; background: #ded8cf; box-shadow: 0 20px 55px rgba(46,36,28,.18); }
.result-actions { display: grid; grid-template-columns: 1.35fr .8fr; gap: 11px; max-width: 620px; margin: 0 auto; }
.share-button, .download-button { min-height: 54px; padding: 0 18px; border-radius: 14px; display: flex; align-items: center; justify-content: center; gap: 9px; font-weight: 780; text-decoration: none; cursor: pointer; }
.share-button { border: 0; background: var(--green); color: white; }
.download-button { border: 1px solid var(--line); background: var(--ink); color: white; }
.share-button svg, .download-button svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.again-button { margin-top: 20px; border: 0; background: transparent; color: var(--muted); text-decoration: underline; text-underline-offset: 4px; cursor: pointer; }

.error-box { margin: 10px; padding: 26px; border-radius: 18px; background: #fff0eb; border: 1px solid rgba(217,77,41,.25); text-align: center; }
.error-box p { color: var(--muted); }
.error-box button { border: 0; border-radius: 11px; padding: 11px 18px; background: var(--ink); color: white; cursor: pointer; }

.privacy-note { margin: 24px auto 0; text-align: center; color: var(--muted); font-size: .78rem; }
footer { padding: 64px 20px 26px; text-align: center; color: var(--muted); font-size: .78rem; }

.toast { position: fixed; left: 50%; bottom: 24px; z-index: 10; max-width: calc(100% - 32px); padding: 12px 17px; border-radius: 12px; background: var(--ink); color: white; font-size: .85rem; box-shadow: 0 10px 35px rgba(0,0,0,.22); transform: translate(-50%, 30px); opacity: 0; pointer-events: none; transition: .25s; }
.toast.visible { transform: translate(-50%, 0); opacity: 1; }

@media (max-width: 700px) {
  .site-header { width: calc(100% - 28px); padding-top: 18px; }
  .badge { display: none; }
  .hero { padding: 40px 0 30px; }
  h1 { font-size: clamp(2.55rem, 13vw, 4rem); }
  .intro { margin-top: 20px; }
  .workspace { padding: 9px; border-radius: 22px; }
  .drop-zone { min-height: 230px; padding: 22px; }
  .drop-zone small { max-width: 230px; }
  #editStep { grid-template-columns: 1fr; }
  .source-preview-wrap { min-height: 300px; }
  .prompt-wrap { min-height: 330px; padding: 22px 13px 13px; }
  textarea { min-height: 145px; }
  .result { padding: 20px 10px; }
  .result-actions { grid-template-columns: 1fr; }
  .privacy-note { padding: 0 18px; line-height: 1.5; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}