:root {
  color-scheme: dark;
  --tool-bg: #050505;
  --tool-paper: #f3eee6;
  --tool-paper-soft: rgba(243, 238, 230, 0.68);
  --tool-paper-dim: rgba(243, 238, 230, 0.48);
  --tool-line: rgba(243, 238, 230, 0.12);
  --tool-line-strong: rgba(243, 238, 230, 0.24);
  --tool-surface: rgba(13, 12, 10, 0.82);
  --tool-surface-2: rgba(243, 238, 230, 0.035);
  --tool-surface-3: rgba(243, 238, 230, 0.065);
  --tool-accent: var(--clr-accent, #e87d0d);
  --tool-accent-soft: rgba(232, 125, 13, 0.14);
  --tool-accent-line: rgba(232, 125, 13, 0.42);
  --tool-shadow: 0 30px 90px rgba(0, 0, 0, 0.48);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
}

body.seamless-tool-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 8% 14%, rgba(232, 125, 13, 0.18), transparent 26rem),
    radial-gradient(circle at 92% 4%, rgba(246, 168, 79, 0.11), transparent 30rem),
    linear-gradient(180deg, rgba(5, 5, 5, 0.2), #050505 44rem),
    linear-gradient(120deg, rgba(232, 125, 13, 0.11), transparent 34rem),
    linear-gradient(135deg, #050505 0%, #11100d 48%, #070706 100%);
  background-attachment: fixed;
  color: var(--tool-paper);
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button,
input,
select {
  font: inherit;
}

button {
  color: inherit;
}

.seamless-tool-page .vignette-overlay {
  opacity: 0.62;
}

.seamless-tool-page .noise-overlay {
  opacity: 0.035;
}

.official-tool-nav {
  z-index: 80;
  background: rgba(5, 5, 5, 0.9);
}

.official-tool-nav .nav-container {
  max-width: 1700px;
}

.official-tool-nav .logo-left {
  letter-spacing: 0.2em;
}

.official-tool-nav .nav-link.active {
  color: var(--tool-paper);
}

.official-tool-nav .premium-pill {
  border-radius: 2px;
  color: var(--tool-paper);
  background: rgba(232, 125, 13, 0.12);
}

.app-shell {
  position: relative;
  z-index: 8;
  width: min(100%, 1800px);
  margin: 0 auto;
  padding: 24px 32px 26px;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(230px, auto);
  gap: 24px;
  align-items: end;
  margin-bottom: 18px;
  padding: 22px 0 20px;
  border-top: 1px solid rgba(243, 238, 230, 0.08);
  border-bottom: 1px solid var(--tool-line);
}

.section-kicker {
  margin: 0 0 9px;
  color: var(--tool-accent);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  line-height: 1.2;
  text-transform: uppercase;
}

.topbar h1 {
  margin: 0;
  color: var(--tool-paper);
  font-size: 3.45rem;
  font-weight: 300;
  letter-spacing: 0;
  line-height: 0.96;
}

.tool-titleblock {
  min-width: 0;
}

.tool-statebar {
  justify-self: end;
  min-width: min(100%, 330px);
  display: grid;
  gap: 7px;
  padding: 15px 16px;
  border: 1px solid var(--tool-line);
  border-left-color: var(--tool-accent-line);
  background:
    linear-gradient(90deg, rgba(232, 125, 13, 0.1), transparent 52%),
    rgba(5, 5, 5, 0.62);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.035);
}

.tool-statebar span {
  color: var(--tool-paper-dim);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.tool-statebar strong {
  color: var(--tool-paper);
  font-size: 0.86rem;
  font-weight: 500;
  line-height: 1.35;
}

.layout {
  display: grid;
  grid-template-columns: minmax(250px, 0.72fr) minmax(0, 1.75fr) minmax(290px, 0.82fr);
  gap: 14px;
  align-items: stretch;
}

.panel,
.workspace {
  min-width: 0;
  min-height: calc(100svh - 214px);
  border: 1px solid var(--tool-line);
  border-radius: 4px;
  background:
    linear-gradient(180deg, rgba(243, 238, 230, 0.035), rgba(243, 238, 230, 0.018)),
    var(--tool-surface);
  box-shadow: var(--tool-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.035);
  backdrop-filter: blur(28px);
  overflow: hidden;
}

.panel {
  display: flex;
  flex-direction: column;
}

.panel-section {
  padding: 18px;
  border-bottom: 1px solid rgba(243, 238, 230, 0.08);
}

.panel-section:last-child {
  border-bottom: 0;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 15px;
}

.section-title h2 {
  margin: 0;
  color: var(--tool-paper);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1.2;
  text-transform: uppercase;
}

.section-title span {
  color: var(--tool-paper-dim);
  font-size: 0.75rem;
}

.section-title.inline {
  margin-bottom: 12px;
}

.upload-area {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  min-height: 118px;
  padding: 18px;
  border: 1px dashed rgba(243, 238, 230, 0.22);
  border-radius: 4px;
  background:
    linear-gradient(135deg, rgba(243, 238, 230, 0.055), transparent 60%),
    rgba(5, 5, 5, 0.38);
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.upload-area::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background: var(--tool-accent);
  opacity: 0.78;
}

.upload-area.drag-over {
  border-color: var(--tool-accent);
  background: rgba(232, 125, 13, 0.12);
  transform: translateY(-1px);
}

.upload-copy {
  display: grid;
  gap: 5px;
  min-width: 0;
  padding-left: 8px;
}

.upload-copy strong {
  color: var(--tool-paper);
  font-size: 0.95rem;
  font-weight: 650;
  line-height: 1.25;
}

.upload-copy span {
  color: var(--tool-paper-dim);
  font-size: 0.78rem;
}

.source-frame,
.preview-stage {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(243, 238, 230, 0.1);
  border-radius: 4px;
  background-color: #050505;
  background-image:
    linear-gradient(45deg, rgba(243, 238, 230, 0.035) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(243, 238, 230, 0.035) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(243, 238, 230, 0.035) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(243, 238, 230, 0.035) 75%);
  background-size: 24px 24px;
  background-position: 0 0, 0 12px, 12px -12px, -12px 0;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.55);
}

.source-frame {
  height: 278px;
  margin-top: 14px;
}

canvas {
  display: block;
}

#sourceCanvas {
  max-width: 100%;
  max-height: 100%;
  image-rendering: auto;
}

.empty-state {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 22px;
  color: rgba(243, 238, 230, 0.46);
  font-size: 0.86rem;
  text-align: center;
  pointer-events: none;
}

.button-row,
.export-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
  margin-top: 12px;
}

.export-buttons {
  grid-template-columns: 1fr;
}

.button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 13px;
  border: 1px solid rgba(243, 238, 230, 0.14);
  border-radius: 2px;
  background: rgba(243, 238, 230, 0.035);
  color: var(--tool-paper);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  line-height: 1.2;
  text-transform: uppercase;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.button i {
  color: var(--tool-accent);
  font-size: 0.85rem;
}

.button:hover:not(:disabled) {
  border-color: rgba(243, 238, 230, 0.34);
  background: rgba(243, 238, 230, 0.07);
  transform: translateY(-1px);
}

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

.button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.button.primary,
.button.generate {
  border-color: transparent;
  background: var(--tool-paper);
  color: #050505;
}

.button.primary i,
.button.generate i {
  color: #050505;
}

.button.primary:hover:not(:disabled),
.button.generate:hover:not(:disabled) {
  background: #fff;
}

.button.generate {
  width: 100%;
  min-height: 50px;
  margin-top: 18px;
}

.meta-grid {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(243, 238, 230, 0.08);
  color: var(--tool-paper-dim);
  font-size: 0.8rem;
}

.meta-grid strong {
  color: var(--tool-paper);
  font-weight: 650;
}

.workspace {
  display: grid;
  grid-template-rows: auto auto minmax(390px, 1fr) auto;
}

.tabs {
  display: flex;
  gap: 1px;
  padding: 0;
  border-bottom: 1px solid rgba(243, 238, 230, 0.1);
  background: rgba(0, 0, 0, 0.26);
}

.tab {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  flex: 1 1 0;
  padding: 0 14px;
  border: 0;
  border-right: 1px solid rgba(243, 238, 230, 0.08);
  border-radius: 0;
  background: transparent;
  color: var(--tool-paper-dim);
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  line-height: 1.2;
  text-transform: uppercase;
}

.tab:last-child {
  border-right: 0;
}

.tab i {
  color: rgba(232, 125, 13, 0.78);
}

.tab.active {
  background:
    linear-gradient(180deg, rgba(232, 125, 13, 0.13), rgba(232, 125, 13, 0.035)),
    rgba(243, 238, 230, 0.035);
  color: var(--tool-paper);
}

.preview-toolbar {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 12px;
  border-bottom: 1px solid rgba(243, 238, 230, 0.08);
  background: rgba(5, 5, 5, 0.34);
}

.tile-options {
  display: none;
  flex-wrap: wrap;
  gap: 7px;
}

.tile-options.visible {
  display: flex;
}

.chip {
  min-width: 52px;
  min-height: 32px;
  border: 1px solid rgba(243, 238, 230, 0.12);
  border-radius: 2px;
  background: rgba(243, 238, 230, 0.035);
  color: var(--tool-paper-dim);
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chip.active {
  border-color: var(--tool-accent-line);
  background: var(--tool-accent-soft);
  color: var(--tool-paper);
}

.result-meta {
  margin-left: auto;
  overflow: hidden;
  color: var(--tool-paper-dim);
  font-size: 0.78rem;
  line-height: 1.35;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preview-stage {
  min-height: 390px;
  border-width: 0;
  border-radius: 0;
}

#previewCanvas {
  max-width: 100%;
  max-height: 100%;
}

.progress-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(5, 5, 5, 0.76);
  color: var(--tool-paper);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  pointer-events: none;
}

.hidden {
  display: none !important;
}

.gallery-section {
  min-height: 230px;
  max-height: 320px;
  padding: 14px;
  border-top: 1px solid rgba(243, 238, 230, 0.08);
  background: rgba(5, 5, 5, 0.38);
  overflow: auto;
}

.variation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(152px, 1fr));
  gap: 11px;
}

.variation-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 7px;
  padding: 8px;
  border: 1px solid rgba(243, 238, 230, 0.11);
  border-radius: 4px;
  background: rgba(243, 238, 230, 0.03);
  color: var(--tool-paper);
  cursor: pointer;
  text-align: left;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.variation-card:hover {
  border-color: rgba(243, 238, 230, 0.28);
  background: rgba(243, 238, 230, 0.055);
  transform: translateY(-1px);
}

.variation-card.selected {
  border-color: var(--tool-accent-line);
  background: rgba(232, 125, 13, 0.095);
  box-shadow: 0 0 0 1px rgba(232, 125, 13, 0.18), 0 14px 34px rgba(0, 0, 0, 0.28);
}

.variation-card canvas {
  width: 100%;
  aspect-ratio: 1 / 1;
  border: 1px solid rgba(243, 238, 230, 0.08);
  border-radius: 3px;
  background: #080808;
}

.variation-card canvas:nth-of-type(2) {
  aspect-ratio: 3 / 1;
}

.variation-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--tool-paper-dim);
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-transform: uppercase;
}

.variation-info span:first-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.variation-info span:last-child {
  color: var(--tool-accent);
  font-family: "Bodoni Moda", serif;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0;
}

.control-block {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.control-block:first-of-type {
  margin-top: 0;
}

.control-block label,
.label-like {
  color: var(--tool-paper-dim);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.25;
  text-transform: uppercase;
}

.range-line {
  display: grid;
  grid-template-columns: 1fr 50px;
  align-items: center;
  gap: 10px;
}

input[type="range"] {
  width: 100%;
  height: 4px;
  border-radius: 999px;
  accent-color: var(--tool-accent);
}

output {
  color: var(--tool-paper);
  font-size: 0.78rem;
  text-align: right;
}

select {
  width: 100%;
  min-height: 40px;
  border: 1px solid rgba(243, 238, 230, 0.14);
  border-radius: 2px;
  background: #0b0a08;
  color: var(--tool-paper);
  padding: 0 10px;
}

.toggle-line {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 24px;
  margin-top: 12px;
  color: var(--tool-paper-soft);
  font-size: 0.82rem;
  line-height: 1.25;
}

.toggle-line.compact {
  margin-top: 0;
}

.toggle-line input[type="checkbox"] {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  accent-color: var(--tool-accent);
}

.auto-method {
  min-height: 42px;
  padding: 10px;
  border: 1px solid rgba(243, 238, 230, 0.1);
  border-left-color: var(--tool-accent-line);
  border-radius: 2px;
  background: rgba(5, 5, 5, 0.42);
  color: var(--tool-paper-soft);
  font-size: 0.76rem;
  line-height: 1.45;
}

.export-section {
  margin-top: auto;
  background: rgba(5, 5, 5, 0.22);
}

.tool-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 22px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid rgba(243, 238, 230, 0.1);
  color: var(--tool-paper-dim);
  font-size: 0.78rem;
}

.tool-footer .logo-left {
  color: var(--tool-paper);
  font-size: 1.45rem;
}

.tool-footer p {
  margin: 0;
}

.tool-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--tool-paper-soft);
}

.tool-footer a:hover {
  color: var(--tool-paper);
}

@media (max-width: 1180px) {
  .layout {
    grid-template-columns: minmax(245px, 0.78fr) minmax(0, 1.35fr);
  }

  .right-panel {
    grid-column: 1 / -1;
    min-height: 0;
  }

  .right-panel .panel-section:first-child {
    display: grid;
    grid-template-columns: repeat(3, minmax(190px, 1fr));
    gap: 14px 18px;
  }

  .right-panel .section-title,
  .right-panel .button.generate {
    grid-column: 1 / -1;
  }

  .right-panel .control-block,
  .right-panel .toggle-line {
    margin-top: 0;
  }
}

@media (max-width: 880px) {
  .app-shell {
    padding: 18px 14px 20px;
  }

  .topbar {
    grid-template-columns: 1fr;
    gap: 14px;
    align-items: start;
  }

  .topbar h1 {
    font-size: 2.5rem;
  }

  .tool-statebar {
    justify-self: stretch;
    min-width: 0;
  }

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

  .panel,
  .workspace {
    min-height: auto;
  }

  .workspace {
    grid-template-rows: auto auto 360px auto;
  }

  .tabs {
    overflow-x: auto;
  }

  .tab {
    flex: 0 0 auto;
    min-width: max-content;
    white-space: nowrap;
  }

  .preview-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .result-meta {
    width: 100%;
    margin-left: 0;
    text-align: left;
    white-space: normal;
  }

  .right-panel .panel-section:first-child {
    grid-template-columns: 1fr;
  }

  .tool-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .app-shell {
    padding-inline: 10px;
  }

  .topbar h1 {
    font-size: 2.15rem;
  }

  .upload-area {
    grid-template-columns: 1fr;
  }

  .button-row {
    grid-template-columns: 1fr;
  }

  .variation-grid {
    grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
  }
}