.manual-cleanup {
  min-height: 100vh;
  padding: 40px 20px 72px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
}

.manual-cleanup h1,
.manual-cleanup h2,
.manual-cleanup h3 {
  font-family: var(--font-heading);
  letter-spacing: 0;
}

.manual-cleanup p {
  margin: 0;
  color: var(--text-secondary);
}

.manual-cleanup__hero,
.manual-cleanup__workspace,
.manual-cleanup__seo,
.manual-cleanup__faq {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.manual-cleanup__hero {
  padding: 46px 0 42px;
  text-align: center;
}

.manual-cleanup__hero-copy {
  max-width: 920px;
  margin: 0 auto;
}

.manual-cleanup__eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-family: var(--font-heading);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.manual-cleanup__hero h1 {
  max-width: 980px;
  margin: 0 auto 18px;
  font-size: clamp(2.35rem, 6vw, 5rem);
  line-height: 1.03;
}

.manual-cleanup__hero h1 span {
  color: var(--accent);
}

.manual-cleanup__hero-copy > p:not(.manual-cleanup__eyebrow) {
  max-width: 760px;
  margin: 0 auto;
  font-size: 1.08rem;
  line-height: 1.68;
}

.manual-cleanup__badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 24px;
}

.manual-cleanup__badges span {
  padding: 7px 11px;
  border: 1px solid var(--border-accent);
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  font-family: var(--font-heading);
  font-size: 0.78rem;
}

.manual-cleanup__workspace {
  display: grid;
  gap: 18px;
  padding: 28px 0 52px;
}

.manual-cleanup__dropzone {
  display: grid;
  place-items: center;
  min-height: 250px;
  padding: 28px;
  border: 1px dashed rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.025);
  color: var(--text-primary);
  cursor: pointer;
  text-align: center;
}

.manual-cleanup__dropzone[hidden],
.manual-cleanup__editor[hidden],
.manual-cleanup__result[hidden],
.manual-cleanup__result-actions[hidden],
.manual-cleanup__sample[hidden] {
  display: none !important;
}

.manual-cleanup__dropzone:hover {
  border-color: var(--accent);
  background: rgba(255, 215, 0, 0.04);
}

.manual-cleanup__dropzone strong {
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-size: 1.16rem;
}

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

.manual-cleanup__dropzone small {
  color: var(--text-muted);
}

.manual-cleanup__dropzone input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.manual-cleanup__editor {
  display: grid;
  gap: 12px;
}

.manual-cleanup__file-meta {
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 0.92rem;
}

.manual-cleanup__canvas-wrap {
  position: relative;
  width: min(100%, var(--canvas-width, 1024px));
  height: var(--canvas-height, 576px);
  overflow: hidden;
  margin: 0 auto;
  border: 1px solid var(--border-accent);
  background: #0f1326;
}

.manual-cleanup__canvas-wrap canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

#maskCanvas {
  cursor: none;
  touch-action: none;
}

.manual-cleanup__brush-cursor {
  position: absolute;
  z-index: 3;
  width: 44px;
  height: 44px;
  border: 2px solid #ff306b;
  border-radius: 999px;
  background: rgba(255, 48, 107, 0.32);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.72);
  pointer-events: none;
  transform: translate(-50%, -50%);
}

.manual-cleanup__toolbar,
.manual-cleanup__result-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--bg-elevated);
}

.manual-cleanup__toolbar label {
  color: var(--text-primary);
  font-family: var(--font-heading);
}

.manual-cleanup__toolbar input[type="range"] {
  width: min(390px, 38vw);
  accent-color: var(--accent);
}

#brushSizeValue {
  min-width: 50px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.manual-cleanup__toolbar button,
.manual-cleanup__result-actions button,
.manual-cleanup__sample button {
  min-height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 0 16px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  font-family: var(--font-heading);
  cursor: pointer;
}

.manual-cleanup__toolbar button:hover:not(:disabled),
.manual-cleanup__result-actions button:hover:not(:disabled),
.manual-cleanup__sample button:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.manual-cleanup__toolbar button:disabled,
.manual-cleanup__result-actions button:disabled,
.manual-cleanup__sample button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.manual-cleanup__toolbar .manual-cleanup__primary,
.manual-cleanup__result-actions .manual-cleanup__download {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--bg-primary);
}

.manual-cleanup__result {
  display: grid;
  gap: 14px;
  margin-top: 6px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--bg-elevated);
}

.manual-cleanup__result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.manual-cleanup__result figure {
  position: relative;
  overflow: hidden;
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #0f1326;
}

.manual-cleanup__result figure span {
  position: absolute;
  z-index: 1;
  top: 10px;
  left: 10px;
  padding: 5px 9px;
  background: rgba(0, 0, 0, 0.72);
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-size: 0.74rem;
  text-transform: uppercase;
}

.manual-cleanup__result img {
  display: block;
  width: 100%;
  height: auto;
}

.manual-cleanup__sample {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.025);
}

.manual-cleanup__sample summary {
  color: var(--accent);
  font-family: var(--font-heading);
  cursor: pointer;
}

.manual-cleanup__sample label {
  display: flex;
  gap: 10px;
  margin: 14px 0;
  color: var(--text-secondary);
  line-height: 1.5;
}

.manual-cleanup__status {
  min-height: 24px;
  color: var(--accent);
  font-size: 0.95rem;
}

.manual-cleanup__seo,
.manual-cleanup__faq {
  padding: 46px 0;
  border-top: 1px solid var(--border-accent);
}

.manual-cleanup__seo {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1fr);
  gap: 28px;
}

.manual-cleanup__seo h2,
.manual-cleanup__faq h2 {
  margin: 0;
}

.manual-cleanup__seo > p {
  max-width: none;
  line-height: 1.72;
}

.manual-cleanup__seo-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.manual-cleanup__seo-grid article {
  padding: 18px;
  border-left: 2px solid var(--accent);
  background: rgba(255, 255, 255, 0.025);
}

.manual-cleanup__seo-grid h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.manual-cleanup__seo-grid p {
  font-size: 0.92rem;
  line-height: 1.55;
}

.manual-cleanup__faq {
  display: grid;
  gap: 10px;
}

.manual-cleanup__faq details {
  border-left: 2px solid var(--border-accent);
  background: rgba(255, 255, 255, 0.02);
}

.manual-cleanup__faq details[open] {
  border-left-color: var(--accent);
}

.manual-cleanup__faq summary {
  padding: 15px 18px;
  color: var(--text-primary);
  font-family: var(--font-heading);
  cursor: pointer;
}

.manual-cleanup__faq p {
  padding: 0 18px 16px;
  line-height: 1.6;
}

@media (max-width: 940px) {
  .manual-cleanup__seo {
    grid-template-columns: 1fr;
  }

  .manual-cleanup__seo-grid,
  .manual-cleanup__result-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .manual-cleanup {
    padding: 30px 14px 54px;
  }

  .manual-cleanup__hero {
    padding: 30px 0 30px;
  }

  .manual-cleanup__dropzone {
    min-height: 220px;
  }

  .manual-cleanup__toolbar,
  .manual-cleanup__result-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .manual-cleanup__toolbar input[type="range"] {
    width: 100%;
  }

  .manual-cleanup__result-grid,
  .manual-cleanup__seo-grid {
    grid-template-columns: 1fr;
  }
}