:root {
  --bg: #07071a;
  --card: rgba(255, 255, 255, 0.03);
  --card-h: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.08);
  --border-h: rgba(255, 255, 255, 0.2);
  --t: #f3f4f6;
  --t2: #9ca3af;
  --t3: #6b7280;
  --p: #8b5cf6;
  --p-h: #7c3aed;
  --p4: #10b981;
  --glow: 0 0 20px rgba(139, 92, 246, 0.15);
}

.tool-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 30px;
  margin-top: 40px;
}

@media (max-width: 960px) {
  .tool-layout {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 30px;
  backdrop-filter: blur(20px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  transition: border-color 0.3s;
}
.panel:hover {
  border-color: rgba(139, 92, 246, 0.2);
}

.panel-hdr {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 15px;
}
.panel-title {
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Trust Badge */
.trust-badge-row {
  display: flex;
  justify-content: center;
  margin-top: -15px;
  margin-bottom: 25px;
}
.trust-badge {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--p4);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.2px;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.05);
}

/* Drag & Drop */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: 16px;
  padding: 45px 20px;
  text-align: center;
  cursor: pointer;
  background: rgba(255,255,255,0.01);
  transition: all 0.25s ease;
  position: relative;
}
.dropzone:hover, .dropzone.dragover {
  border-color: var(--p);
  background: rgba(139, 92, 246, 0.03);
  box-shadow: var(--glow);
}
.dropzone-icon {
  font-size: 2.5rem;
  color: var(--p);
  margin-bottom: 15px;
  transition: transform 0.2s;
}
.dropzone:hover .dropzone-icon {
  transform: translateY(-5px);
}
.dropzone h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--t);
}
.dropzone p {
  font-size: 0.82rem;
  color: var(--t3);
}
.file-input {
  display: none;
}

/* Upload limits description */
.limits-info {
  font-size: 0.76rem;
  color: var(--t3);
  margin-top: 10px;
  display: flex;
  justify-content: center;
  gap: 15px;
}

/* Loader Timeline */
.loader-box {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin: 15px 0;
}
.timeline-stage {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  opacity: 0.4;
  transition: opacity 0.3s;
}
.timeline-stage.active {
  opacity: 1;
}
.timeline-stage.done {
  opacity: 0.7;
}
.stage-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--t3);
}
.active .stage-icon {
  color: var(--p);
}
.done .stage-icon {
  color: var(--p4);
}
.stage-title {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--t);
  flex-grow: 1;
}
.stage-indicator {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--t2);
}

/* Progress bar */
.progress-bar-wrap {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 6px;
}
.progress-bar-fill {
  width: 0%;
  height: 100%;
  background: var(--p);
  border-radius: 4px;
  transition: width 0.1s ease;
  box-shadow: var(--glow);
}

/* Preview area styling */
.preview-container {
  width: 100%;
  margin: 15px auto;
}
.preview-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 15px;
}
@media (max-width: 600px) {
  .preview-tabs {
    grid-template-columns: repeat(2, 1fr);
  }
}
.tab-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  color: var(--t2);
  border-radius: 8px;
  padding: 10px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: all 0.25s ease;
}
.tab-btn:hover {
  background: rgba(255, 255, 255, 0.07);
  color: var(--t);
}
.tab-btn.active {
  background: rgba(139, 92, 246, 0.15);
  border-color: var(--p);
  color: var(--t);
  box-shadow: var(--glow);
}
.preview-card {
  width: 100%;
  height: 380px;
  border-radius: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0f0f2d;
  margin-bottom: 20px;
  position: relative;
}
.preview-card.checkerboard {
  background: repeating-conic-gradient(rgba(255,255,255,0.03) 0% 25%, transparent 0% 50%) 50% / 20px 20px;
}
.preview-card img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.preview-actions {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 12px;
}
@media (max-width: 480px) {
  .preview-actions {
    grid-template-columns: 1fr;
  }
}
.action-btn {
  padding: 14px 20px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.25s ease;
  border: none;
}
.action-btn.download-main {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}
.action-btn.download-main:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow);
}
.action-btn.reset-main {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--t2);
}
.action-btn.reset-main:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--t);
}

/* Privacy transparency box */
.local-privacy-notice {
  display: flex;
  gap: 12px;
  background: rgba(139, 92, 246, 0.05);
  border: 1px solid rgba(139, 92, 246, 0.15);
  border-radius: 14px;
  padding: 16px;
  margin-top: 20px;
  font-size: 0.76rem;
  line-height: 1.5;
  color: var(--t2);
}
.local-privacy-notice i {
  color: var(--p);
  font-size: 1.1rem;
  margin-top: 2px;
}

/* Toast styling */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(90px);
  background: rgba(10,10,35,.97);
  border: 1px solid rgba(139,92,246,.3);
  border-radius: 12px;
  padding: 13px 22px;
  color: var(--t);
  font-size: .9rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  z-index: 9999;
  transition: transform .35s cubic-bezier(.34,1.56,.64,1);
  display: flex;
  align-items: center;
  gap: 9px;
  box-shadow: 0 8px 32px rgba(0,0,0,.5);
  pointer-events: none;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast i { color: #10b981; }