.workspace {
  padding-top: calc(var(--nav-height) + var(--space-xl));
  padding-bottom: var(--space-3xl);
  min-height: 100vh;
}

.workspace-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto var(--space-xl);
}

.workspace-tool-icon {
  width: 68px; height: 68px;
  border-radius: var(--radius-lg);
  display: grid;
  place-items: center;
  margin: 0 auto var(--space-md);
  background: var(--gradient-primary);
  box-shadow: var(--shadow-glow);
}
.workspace-tool-icon svg { width: 32px; height: 32px; color: #fff; }

.dropzone {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  border: 2px dashed var(--border-glass);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
  transition: border-color var(--dur-base), background var(--dur-base), transform var(--dur-fast);
  cursor: pointer;
}

.dropzone:hover { border-color: var(--color-primary); }

.dropzone.drag-active {
  border-color: var(--color-primary);
  background: var(--gradient-primary-soft);
  transform: scale(1.01);
}

.dropzone.drag-active .dropzone-icon { transform: scale(1.15) translateY(-6px); }

.dropzone-icon {
  width: 84px; height: 84px;
  margin: 0 auto var(--space-md);
  border-radius: 50%;
  background: var(--gradient-primary-soft);
  display: grid;
  place-items: center;
  transition: transform var(--dur-base) var(--ease-spring);
}
.dropzone-icon svg { width: 36px; height: 36px; color: var(--color-primary); }

.dropzone h3 { font-size: 1.25rem; margin-bottom: var(--space-3xs); }
.dropzone p { color: var(--text-tertiary); font-size: var(--fs-body-sm); margin-bottom: var(--space-md); }

.dropzone-formats {
  display: flex;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: var(--space-md);
}

.dropzone input[type="file"] { display: none; }

.file-list {
  max-width: 720px;
  margin: var(--space-lg) auto 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.file-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  animation: file-item-in var(--dur-base) var(--ease-out-expo);
}

@keyframes file-item-in {
  from { opacity: 0; transform: translateY(10px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.file-thumb {
  width: 46px; height: 46px;
  border-radius: 10px;
  background: var(--gradient-primary-soft);
  color: var(--color-primary);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  overflow: hidden;
}
.file-thumb img { width: 100%; height: 100%; object-fit: cover; }
.file-thumb svg { width: 20px; height: 20px; }

.file-meta { flex: 1; min-width: 0; }
.file-name {
  font-weight: 600;
  font-size: var(--fs-body-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.file-size { font-size: var(--fs-caption); color: var(--text-tertiary); }

.file-progress-track {
  height: 5px;
  border-radius: var(--radius-full);
  background: var(--border-glass);
  overflow: hidden;
  margin-top: 6px;
}
.file-progress-bar {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  width: 0%;
  transition: width var(--dur-fast) linear;
}

.file-actions { display: flex; align-items: center; gap: 4px; flex-shrink: 0; }
.file-action-btn {
  width: 34px; height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--text-tertiary);
  transition: background var(--dur-fast), color var(--dur-fast);
}
.file-action-btn:hover { background: var(--gradient-primary-soft); color: var(--color-primary); }
.file-action-btn.danger:hover { background: rgba(239,68,68,0.12); color: var(--color-error); }
.file-action-btn svg { width: 16px; height: 16px; }

.file-status-icon svg { width: 18px; height: 18px; }
.file-status-icon.success { color: var(--color-success); }
.file-status-icon.error { color: var(--color-error); }

.file-item.draggable { cursor: grab; }
.file-item.dragging { opacity: 0.5; }
.drag-handle { color: var(--text-tertiary); cursor: grab; padding: 4px; }
.drag-handle svg { width: 16px; height: 16px; }

.options-panel {
  max-width: 720px;
  margin: var(--space-lg) auto 0;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  display: grid;
  gap: var(--space-md);
}

.option-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); }
.option-label { font-weight: 600; font-size: var(--fs-body-sm); }
.option-hint { font-size: var(--fs-caption); color: var(--text-tertiary); margin-top: 2px; }

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field label { font-size: var(--fs-body-sm); font-weight: 600; }
.field input[type="text"],
.field input[type="password"],
.field input[type="number"],
.field select {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: var(--fs-body-sm);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.field input:focus, .field select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(79,70,229,0.12);
  outline: none;
}

.switch { position: relative; width: 44px; height: 26px; flex-shrink: 0; }
.switch input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.switch-track {
  position: absolute; inset: 0;
  background: var(--border-glass);
  border-radius: var(--radius-full);
  transition: background var(--dur-fast);
}
.switch-thumb {
  position: absolute;
  top: 3px; left: 3px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-base) var(--ease-spring);
}
.switch input:checked ~ .switch-track { background: var(--gradient-primary); }
.switch input:checked ~ .switch-thumb { transform: translateX(18px); }

.range-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--border-glass);
  outline: none;
}
.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--gradient-primary);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  border: 3px solid var(--bg-elevated);
}

.workspace-cta {
  max-width: 720px;
  margin: var(--space-lg) auto 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.result-panel {
  max-width: 720px;
  margin: var(--space-lg) auto 0;
  padding: var(--space-xl) var(--space-lg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.result-icon {
  width: 80px; height: 80px;
  margin: 0 auto var(--space-md);
  border-radius: 50%;
  background: rgba(34,197,94,0.12);
  color: var(--color-success);
  display: grid;
  place-items: center;
  animation: pop-in var(--dur-slow) var(--ease-spring);
}
.result-icon svg { width: 38px; height: 38px; }

@keyframes pop-in {
  0% { transform: scale(0); opacity: 0; }
  60% { transform: scale(1.1); opacity: 1; }
  100% { transform: scale(1); }
}

.result-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

.spinner {
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 2.5px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  animation: spin 0.7s linear infinite;
}
.spinner.dark { border-color: rgba(79,70,229,0.2); border-top-color: var(--color-primary); }
@keyframes spin { to { transform: rotate(360deg); } }