.ft-advanced-shell {
  max-width: 1440px;
  margin: 0 auto;
}

.ft-advanced-workbench {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(320px, 0.3fr);
  gap: 0;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-md);
  background: var(--ft-color-surface);
  overflow: hidden;
}

.ft-advanced-main {
  min-width: 0;
  border-right: 1px solid var(--ft-color-line);
  background: var(--ft-color-bg);
}

.ft-advanced-side {
  min-width: 0;
  background: var(--ft-color-surface);
}

.ft-advanced-stepbar {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  min-height: 48px;
  padding: 8px;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-md);
  background: var(--ft-color-surface);
}

.ft-advanced-step {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 10px;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-sm);
  background: var(--ft-color-line);
  color: var(--ft-color-text-soft);
  font-family: var(--ft-font-mono);
  font-size: 12px;
}

.ft-advanced-step.is-current {
  border-color: var(--ft-color-cyan);
  background: var(--ft-color-cyan);
  color: var(--ft-color-bg);
}

.ft-advanced-step.is-complete {
  border-color: var(--ft-color-cyan-strong);
  background: var(--ft-color-cyan-strong);
  color: var(--ft-color-text);
}

.ft-advanced-actions {
  position: -webkit-sticky;
  position: sticky;
  bottom: 0;
  z-index: 20;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  min-height: 56px;
  padding: 10px 16px;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-md);
  background: var(--ft-color-bg);
}

.ft-advanced-actions .ft-btn--share {
  border-color: var(--ft-color-cyan);
  color: var(--ft-color-cyan);
  background: transparent;
}

.ft-advanced-workbench .ft-tools-section,
.ft-advanced-workbench .ft-notice,
.ft-advanced-workbench #step-upload,
.ft-advanced-workbench #step-crop,
.ft-advanced-workbench #step-background,
.ft-advanced-workbench #step-extract {
  margin: 0;
  padding: 16px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.ft-advanced-workbench #step-upload {
  border-bottom: 1px solid var(--ft-color-line);
}

.ft-advanced-workbench #step-crop,
.ft-advanced-workbench #step-background,
.ft-advanced-workbench #step-extract {
  border-top: 1px solid var(--ft-color-line);
}

.ft-advanced-workbench canvas,
.ft-advanced-workbench #mainCanvas,
.ft-advanced-workbench #bgCanvas,
.ft-advanced-workbench #extractCanvas,
.ft-advanced-workbench #previewCanvas,
.ft-advanced-workbench #modalCanvas {
  border-radius: 0 !important;
  border: 1px solid var(--ft-color-line) !important;
  background:
    repeating-linear-gradient(0deg, rgba(22, 40, 50, 0.04) 0, rgba(22, 40, 50, 0.04) 1px, transparent 1px, transparent 28px),
    repeating-linear-gradient(90deg, rgba(22, 40, 50, 0.035) 0, rgba(22, 40, 50, 0.035) 1px, transparent 1px, transparent 54px),
    var(--ft-color-surface-soft) !important;
  background-size: 50px 50px, 50px 50px, auto;
}

.ft-advanced-workbench [style*="border-radius:10px"],
.ft-advanced-workbench [style*="border-radius:8px"],
.ft-advanced-workbench [style*="border-radius:6px"],
.ft-advanced-workbench [style*="border-radius:50%"] {
  border-radius: var(--ft-radius-sm) !important;
}

.ft-advanced-workbench button,
.ft-advanced-workbench .ft-btn {
  border-radius: var(--ft-radius-sm) !important;
  box-shadow: none !important;
}

.ft-advanced-workbench .ft-button {
  min-height: 36px;
  padding: 8px 18px;
  border: 1px solid var(--ft-color-cyan);
  border-radius: var(--ft-radius-sm);
  background: var(--ft-color-cyan);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.ft-advanced-workbench .ft-button:hover {
  background: var(--ft-color-cyan-strong);
  border-color: var(--ft-color-cyan-strong);
}

.ft-advanced-workbench .ft-button--secondary {
  border-color: var(--ft-color-line-strong);
  background: transparent;
  color: var(--ft-color-text);
}

.ft-advanced-workbench .ft-button--secondary:hover {
  border-color: rgba(43, 127, 147, 0.16);
  background: rgba(43, 127, 147, 0.05);
  color: var(--ft-color-cyan);
}

.ft-advanced-workbench button[style*="background:#1d2730"],
.ft-advanced-workbench button[style*="background: #1d2730"] {
  background: var(--ft-color-cyan) !important;
  border-color: var(--ft-color-cyan) !important;
  color: #fff !important;
  font-weight: 600 !important;
}

.ft-advanced-workbench button[style*="background:#1d2730"]:hover,
.ft-advanced-workbench button[style*="background: #1d2730"]:hover {
  background: var(--ft-color-cyan-strong) !important;
  border-color: var(--ft-color-cyan-strong) !important;
}

.ft-advanced-workbench button[style*="background:rgba(255,255,255"],
.ft-advanced-workbench button[style*="background:rgba(30,45,61"] {
  background: transparent !important;
  border-color: var(--ft-color-line-strong) !important;
  color: var(--ft-color-text-soft) !important;
}

.ft-advanced-workbench button[style*="background:rgba(255,255,255"]:hover,
.ft-advanced-workbench button[style*="background:rgba(30,45,61"]:hover {
  border-color: var(--ft-color-cyan) !important;
  color: var(--ft-color-cyan) !important;
  background: rgba(43, 127, 147, 0.05) !important;
}

.ft-advanced-workbench button[style*="background:rgba(0,150,255"] {
  background: rgba(43, 127, 147, 0.08) !important;
  border-color: var(--ft-color-cyan) !important;
  color: var(--ft-color-cyan) !important;
}

.ft-advanced-workbench button[style*="background:rgba(0,150,255"]:hover {
  background: rgba(43, 127, 147, 0.15) !important;
}

.ft-advanced-workbench input,
.ft-advanced-workbench select,
.ft-advanced-workbench textarea {
  border-radius: 0 !important;
  border-color: var(--ft-color-line) !important;
  background: var(--ft-color-bg) !important;
  color: var(--ft-color-text) !important;
  box-shadow: none !important;
}

.ft-advanced-workbench h2,
.ft-advanced-workbench h3 {
  color: var(--ft-color-text) !important;
  font-weight: 500 !important;
}

.ft-advanced-workbench p,
.ft-advanced-workbench small,
.ft-advanced-workbench label {
  color: var(--ft-color-text-soft) !important;
}

.ft-advanced-workbench #auto-try-section {
  border: 1px solid var(--ft-color-line) !important;
  border-left: 2px solid var(--ft-color-cyan) !important;
  border-radius: var(--ft-radius-sm) !important;
  background: var(--ft-color-bg) !important;
}


.ft-advanced-workbench #manual-panel,
.ft-advanced-workbench #result-panel {
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-sm) !important;
  background: var(--ft-color-bg) !important;
}

.ft-advanced-workbench .ft-notice {
  border-bottom: 1px solid var(--ft-color-line);
  color: var(--ft-color-text-soft);
}

.ft-advanced-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  align-items: center;
  justify-content: center;
  background: rgba(7, 10, 17, 0.86);
}

.ft-advanced-modal__panel {
  width: 800px;
  max-width: 90%;
  padding: 20px;
  border: 1px solid var(--ft-color-line);
  border-radius: var(--ft-radius-md);
  background: var(--ft-color-surface);
  box-shadow: var(--ft-shadow-modal);
}

.ft-advanced-modal__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.ft-advanced-loading {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background: rgba(7, 10, 17, 0.82);
}

.ft-advanced-loading__spinner {
  width: 60px;
  height: 60px;
  border: 2px solid var(--ft-color-line);
  border-top-color: var(--ft-color-cyan);
  border-radius: 50%;
  animation: ft-spin 1s linear infinite;
}

.ft-advanced-muted {
  color: var(--ft-color-text-soft);
}

.ft-advanced-error {
  color: var(--ft-color-danger, #ef4444);
}

.ft-advanced-point-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2px 0;
  border-bottom: 1px solid var(--ft-color-line);
}

@media (max-width: 1100px) {
  .ft-advanced-workbench {
    grid-template-columns: 1fr;
  }

  .ft-advanced-main {
    border-right: 0;
  }

  .ft-advanced-stepbar {
    grid-template-columns: 1fr 1fr;
  }
}