:root {
  --bg: #ffffff;
  --fg: #111111;
  --muted: #666666;
  --line: #e8e8e8;
  --line-strong: #d9d9d9;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page {
  max-width: 1540px;
  margin: 0 auto;
  padding: 24px;
}

.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.title {
  font-size: 20px;
  font-weight: 600;
  margin: 0;
}

.logo {
  height: 34px;
  width: auto;
  object-fit: contain;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 14px;
}

.row {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.file-input {
  flex: 1;
  min-width: 260px;
}

.select-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.select-label {
  font-size: 13px;
  color: #333;
}

.select-wrap select {
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  font-size: 14px;
  padding: 8px 10px;
  background: #fff;
}

.button {
  border: 1px solid var(--line-strong);
  background: #ffffff;
  color: #111111;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  padding: 10px 14px;
  cursor: pointer;
}

.button[disabled] {
  cursor: not-allowed;
  opacity: 0.45;
}

.subtle {
  color: var(--muted);
  font-size: 13px;
  margin-top: 8px;
}

.error {
  border: 1px solid #f3d5d5;
  color: #9a1d1d;
  background: #fff8f8;
  border-radius: 8px;
  padding: 10px 12px;
  margin-top: 10px;
  font-size: 13px;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.status-cell {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
}

.status-label {
  color: var(--muted);
  font-size: 12px;
}

.status-value {
  margin-top: 3px;
  font-size: 14px;
  font-weight: 500;
}

.status-inline {
  display: flex;
  align-items: center;
  gap: 8px;
}

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid #d3d3d3;
  border-top-color: #111111;
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.pair-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pair-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
}

.pair-card-title {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 600;
  word-break: break-all;
}

.pair-row {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.image-block {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
  background: #fff;
  position: relative;
}

.image-label {
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 8px;
}

.image-block img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
  cursor: zoom-in;
}

.download-icon {
  position: absolute;
  top: 8px;
  right: 8px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #111;
  background: rgba(255, 255, 255, 0.92);
  text-decoration: none;
  font-size: 14px;
  line-height: 1;
  z-index: 4;
}

.card-actions {
  margin-top: 10px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
}

.rerun-prompt-wrap {
  margin-top: 10px;
}

.rerun-prompt-label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

.rerun-prompt-input {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  font-size: 13px;
  padding: 8px 10px;
  min-height: 72px;
  resize: vertical;
  font-family: inherit;
}

.log-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  max-height: 180px;
  overflow: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  line-height: 1.45;
  white-space: pre-wrap;
  color: #1f1f1f;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 14px;
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 12px;
  border: 1px solid #d6d6d6;
  background: #fff;
  border-radius: 8px;
  width: 34px;
  height: 34px;
  cursor: pointer;
}

.viewer-modal {
  width: min(98vw, 1500px);
  height: min(95vh, 980px);
  background: #fff;
  border-radius: 10px;
  position: relative;
  display: grid;
  grid-template-columns: 60px 1fr 60px;
  align-items: center;
  overflow: hidden;
}

.edit-mask-modal {
  width: min(98vw, 1600px);
  height: min(95vh, 980px);
  background: #fff;
  border-radius: 10px;
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  overflow: hidden;
}

.edit-mask-left {
  padding: 32px 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.edit-preview-stage {
  border: 1px solid var(--line);
  border-radius: 8px;
  position: relative;
  width: 100%;
  height: calc(95vh - 140px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #fafafa;
}

.edit-preview-base {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
}

.edit-preview-layer-tinted {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0.34;
  pointer-events: none;
}

.edit-preview-segment-outline {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0.9;
  pointer-events: none;
}

.segment-drag-box {
  position: absolute;
  border: 1px dashed #111;
  background: rgba(255, 255, 255, 0.1);
  pointer-events: none;
}

.edit-mask-right {
  border-left: 1px solid var(--line);
  padding: 32px 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
  overflow: hidden;
}

.edit-mask-title {
  font-size: 13px;
  font-weight: 600;
}

.edit-mask-mode-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.edit-mask-controls-header {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 0 0 auto;
}

.edit-mask-sensitivity-row {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.layer-list {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
  overflow: auto;
  min-height: 0;
  flex: 1 1 auto;
  margin-top: 0;
}

.layer-row {
  display: grid;
  grid-template-columns: 18px 12px 1fr;
  gap: 8px;
  align-items: start;
  padding: 6px 4px;
  border-bottom: 1px solid #f0f0f0;
}

.layer-row:last-child {
  border-bottom: none;
}

.layer-text {
  font-size: 12px;
  color: #222;
  word-break: break-word;
}

.layer-swatch {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  border: 1px solid rgba(0, 0, 0, 0.22);
  margin-top: 2px;
}

.layer-subtle {
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
}

.edit-mask-footer {
  flex: 0 0 auto;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  background: #fff;
}

.edit-mask-actions {
  flex: 0 0 auto;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.segment-control {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.segment-control-label {
  color: var(--muted);
  font-size: 12px;
}

.segment-control select {
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  font-size: 13px;
  padding: 6px 8px;
  background: #fff;
}

.segment-apply-mode-row {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.segment-apply-mode-label {
  color: var(--muted);
  font-size: 12px;
}

.segment-mode-btn.active {
  border-color: #111;
  background: #111;
  color: #fff;
}

.viewer-content {
  width: 100%;
  height: 100%;
  padding: 32px 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  justify-content: center;
}

.viewer-caption {
  font-size: 13px;
  color: #444;
}

.viewer-content img {
  max-width: 100%;
  max-height: calc(95vh - 120px);
  object-fit: contain;
}

.nav-btn {
  border: none;
  background: transparent;
  font-size: 28px;
  cursor: pointer;
  color: #111;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

@media (max-width: 1180px) {
  .pair-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 960px) {
  .status-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .top-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .edit-mask-modal {
    grid-template-columns: 1fr;
  }

  .edit-mask-right {
    border-left: none;
    border-top: 1px solid var(--line);
    max-height: 45vh;
    min-height: 0;
  }

  .layer-list {
    min-height: 0;
  }
}