.image-upscale-app {
  --upscale-forest: #0b2117;
  --upscale-forest-2: #123426;
  --upscale-mint: #7fd7ae;
  --upscale-paper: #f8f3e7;
  --upscale-amber: #f5b841;
  --upscale-amber-2: #ffd57e;
  --upscale-ink: #17372a;
  --upscale-muted: #6f8178;
  width: 100%;
  padding: clamp(18px, 3.5vw, 44px);
  color: var(--upscale-ink);
  background:
    radial-gradient(650px 360px at 100% 0, rgba(127, 215, 174, .14), transparent 66%),
    radial-gradient(rgba(245, 184, 65, .08) 1px, transparent 1.5px),
    var(--upscale-forest);
  background-size: auto, 20px 20px, auto;
  box-sizing: border-box;
  font-family: Inter, system-ui, sans-serif;
}

.image-upscale-app *,
.image-upscale-app *::before,
.image-upscale-app *::after { box-sizing: border-box; }

.image-upscale-app button,
.image-upscale-app a { font: inherit; }

.upscale-intro {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: clamp(22px, 4vw, 60px);
  max-width: 1080px;
  margin: 0 auto clamp(22px, 3vw, 34px);
}

.upscale-intro-copy { max-width: 700px; }
.upscale-eyebrow,
.panel-step {
  margin: 0 0 10px;
  color: var(--upscale-mint) !important;
  font-size: 10px !important;
  font-weight: 800;
  letter-spacing: .16em;
  line-height: 1.3 !important;
  text-transform: uppercase;
}

.upscale-intro h2 {
  max-width: 680px;
  margin: 0;
  color: #fff8e7 !important;
  font: 600 clamp(31px, 5vw, 55px)/1.02 Georgia, serif !important;
  letter-spacing: -.04em !important;
}

.upscale-intro-copy > p:last-child {
  max-width: 620px;
  margin: 16px 0 0;
  color: #b9cbc0 !important;
  font-size: clamp(14px, 1.5vw, 17px) !important;
  line-height: 1.65 !important;
}

.upscale-badges { display: grid; flex: 0 0 auto; gap: 8px; }
.upscale-badges span {
  padding: 9px 12px;
  color: #dce9e1;
  border: 1px solid rgba(127, 215, 174, .26);
  border-radius: 999px;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .05em;
  text-align: center;
}

.upscale-workspace {
  max-width: 1080px;
  margin: 0 auto;
  overflow: hidden;
  background: var(--upscale-paper);
  border: 1px solid rgba(245, 184, 65, .5);
  border-radius: 20px;
  box-shadow: 0 30px 70px -42px rgba(0, 0, 0, .9);
}

.image-upscale-app .tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 7px;
  background: #10291e;
  border-bottom: 1px solid rgba(245, 184, 65, .28);
}

.image-upscale-app .tab-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 10px 18px;
  color: #9eb5a8;
  background: transparent;
  border: 0;
  border-radius: 13px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
  transition: color .2s ease, background .2s ease, box-shadow .2s ease;
}

.image-upscale-app .tab-button span { color: var(--upscale-amber-2); font-size: 9px; letter-spacing: .12em; }
.image-upscale-app .tab-button:hover { color: #fff8e7; background: rgba(255, 255, 255, .05); }
.image-upscale-app .tab-button.active {
  color: #243326;
  background: linear-gradient(145deg, var(--upscale-amber-2), var(--upscale-amber));
  box-shadow: 0 10px 22px -16px rgba(245, 184, 65, .9);
}
.image-upscale-app .tab-button.active span { color: #6d4b0b; }

.image-upscale-app .tab-content { display: none; padding: clamp(18px, 3vw, 34px); }
.image-upscale-app .tab-content.active { display: block; }
.image-upscale-app .tab-content[hidden] { display: none; }

.panel-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 20px;
}

.panel-heading .panel-step { margin-bottom: 6px; color: #247457 !important; }
.panel-heading h3 { margin: 0; color: var(--upscale-ink) !important; font-size: clamp(22px, 3vw, 31px) !important; letter-spacing: -.025em !important; }
.panel-heading > p {
  max-width: 370px;
  margin: 0;
  color: var(--upscale-muted) !important;
  font-size: 12px !important;
  line-height: 1.55 !important;
  text-align: right;
}

.image-upscale-app .dropzone,
.image-upscale-app .after-preview {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  min-height: clamp(290px, 45vw, 470px);
  overflow: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, .82), rgba(255, 255, 255, .82)),
    repeating-conic-gradient(#ecf0e9 0 25%, #f8f5ed 0 50%) 50% / 24px 24px;
  border: 1.5px dashed rgba(27, 106, 78, .36);
  border-radius: 16px;
}

.image-upscale-app .dropzone { cursor: pointer; transition: border-color .2s ease, background-color .2s ease, transform .2s ease; }
.image-upscale-app .dropzone:hover,
.image-upscale-app .dropzone.highlight {
  background-color: #f4fbf7;
  border-color: #2b8d69;
}
.image-upscale-app .dropzone:focus-visible,
.image-upscale-app button:focus-visible,
.image-upscale-app a:focus-visible { outline: 3px solid rgba(245, 184, 65, .65); outline-offset: 3px; }

.image-upscale-app .dropzone-prompt,
.result-placeholder { display: grid; place-items: center; max-width: 460px; padding: 28px; text-align: center; }
.upload-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  margin-bottom: 17px;
  background: #123c2c;
  border-radius: 18px;
  box-shadow: 0 14px 28px -18px rgba(10, 58, 40, .8);
}
.upload-mark::before { content: "↑"; color: var(--upscale-amber-2); font-size: 27px; font-weight: 500; transform: translateY(-2px); }
.upload-mark i { position: absolute; bottom: 15px; width: 24px; height: 2px; background: var(--upscale-amber-2); border-radius: 2px; }
.dropzone-prompt strong,
.result-placeholder strong { color: #18382b; font-size: clamp(18px, 2.5vw, 24px); }
.dropzone-prompt > span:not(.upload-mark) { margin-top: 5px; color: #63776d; font-size: 13px; }
.dropzone-prompt small,
.result-placeholder small { margin-top: 18px; color: #89978f; font-size: 10px; letter-spacing: .035em; }

.image-upscale-app #previewImg,
.image-upscale-app #upscaledImg {
  display: none;
  width: 100%;
  height: 100%;
  max-height: 470px;
  object-fit: contain;
}

.status-area,
.clamp-message {
  min-height: 0;
  margin: 10px 2px 0;
  color: #246a50;
  font-size: 12px;
  font-weight: 750;
}
.status-area:empty,
.clamp-message:empty { display: none !important; }
.clamp-message { padding: 11px 13px; color: #85372d; background: #fff0e8; border: 1px solid #ecc9b7; border-radius: 9px; }

.upscale-actions {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding: 14px;
  background: #eee8da;
  border: 1px solid rgba(24, 56, 43, .1);
  border-radius: 14px;
}
.action-copy { display: grid; gap: 2px; }
.action-copy span { color: #33805f; font-size: 9px; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.action-copy strong { color: #344b40; font-size: 13px; }

.image-upscale-app .gradient-button,
.image-upscale-app .try-another-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  margin: 0;
  padding: 11px 19px;
  color: #eef8f2;
  background: #173f2e;
  border: 1px solid #2d6e53;
  border-radius: 11px;
  cursor: pointer;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease, opacity .2s ease;
}
.image-upscale-app .gradient-button span { font-size: 11px; font-weight: 750; }
.image-upscale-app .gradient-button strong { color: var(--upscale-amber-2); font-size: 18px; }
.image-upscale-app .gradient-button.is-primary { color: #372a0b; background: linear-gradient(145deg, var(--upscale-amber-2), var(--upscale-amber)); border-color: #e3a62f; font-weight: 850; }
.image-upscale-app .gradient-button.is-primary strong { color: #5e4108; }
.image-upscale-app .gradient-button:hover:not(:disabled),
.image-upscale-app .try-another-btn:hover { transform: translateY(-1px); }
.image-upscale-app .gradient-button:disabled { opacity: .4; cursor: not-allowed; }

.result-placeholder > span { margin-bottom: 12px; color: #b97b12; font-size: 30px; }
.after-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.after-actions[hidden] { display: none; }
.image-upscale-app .try-another-btn { color: #244537; background: transparent; border-color: rgba(28, 80, 59, .25); font-weight: 750; }

@media (max-width: 720px) {
  .upscale-intro { align-items: flex-start; flex-direction: column; }
  .upscale-badges { display: flex; flex-wrap: wrap; }
  .panel-heading { align-items: flex-start; flex-direction: column; gap: 8px; }
  .panel-heading > p { text-align: left; }
  .upscale-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .action-copy { grid-column: 1 / -1; margin-bottom: 5px; }
  .image-upscale-app .gradient-button { width: 100%; }
}

@media (max-width: 480px) {
  .image-upscale-app { padding: 12px; }
  .upscale-workspace { border-radius: 15px; }
  .image-upscale-app .tabs { padding: 5px; }
  .image-upscale-app .tab-button { min-height: 45px; padding-inline: 8px; font-size: 11px; }
  .image-upscale-app .tab-content { padding: 14px; }
  .image-upscale-app .dropzone,
  .image-upscale-app .after-preview { min-height: 260px; }
  .dropzone-prompt { padding-inline: 16px; }
  .upscale-actions { gap: 7px; padding: 10px; }
  .image-upscale-app .gradient-button { padding-inline: 10px; }
  .after-actions { flex-direction: column; }
  .image-upscale-app .try-another-btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .image-upscale-app * { scroll-behavior: auto !important; transition: none !important; }
}