* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #11b2d0;
  color: #222222;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
}

.topbar {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  border-bottom: 1px solid #d0d0d0;
  background: #ffffff;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 20px;
  line-height: 1.2;
}

h2 {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 10px 0;
  background: #ffffff;
  border-bottom: 1px solid #dddddd;
  font-size: 15px;
}

#status {
  margin-top: 4px;
  color: #666666;
}

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

button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid #999999;
  border-radius: 4px;
  background: #ffffff;
  color: #222222;
  cursor: pointer;
  font: inherit;
}

button:disabled {
  color: #999999;
  cursor: default;
}

.source-button.active {
  background: #222222;
  color: #ffffff;
}

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

.workspace {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 6px minmax(260px, 1fr) 6px minmax(280px, 0.9fr);
  gap: 0;
  height: calc(100vh - 72px);
  padding: 12px;
  background: #11b2d0;
}

.pane {
  min-width: 0;
  overflow: auto;
  padding: 0 12px 12px;
  background: #ffffff;
  border: 1px solid #d8d8d8;
}

.resizer {
  cursor: col-resize;
  background: #11b2d0;
  border-top: 1px solid #d8d8d8;
  border-bottom: 1px solid #d8d8d8;
}

.resizer:hover {
  background: #d6e7f5;
}

#sourceText {
  margin: 12px 0 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.45;
}

.preview {
  padding-top: 12px;
  line-height: 1.45;
}

.preview-block {
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid #eeeeee;
}

.preview-title {
  margin-bottom: 4px;
  font-weight: 700;
}

.preview-value {
  white-space: pre-wrap;
}

.field {
  display: block;
  padding: 10px 0;
  border-bottom: 1px solid #eeeeee;
}

.field span {
  display: block;
  margin-bottom: 5px;
  font-weight: 700;
}

textarea {
  width: 100%;
  min-height: 38px;
  resize: vertical;
  padding: 8px;
  border: 1px solid #bbbbbb;
  border-radius: 4px;
  font: inherit;
  line-height: 1.35;
}

.photo-block {
  padding: 10px 0;
  border-bottom: 1px solid #eeeeee;
}

.photo-title {
  display: block;
  margin-bottom: 6px;
  font-weight: 700;
}

.photo-preview {
  width: 150px;
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
  border: 1px solid #bbbbbb;
  background: #f7f7f7;
  color: #666666;
  text-align: center;
}

.photo-preview img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

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

.photo-status {
  min-height: 20px;
  margin-top: 6px;
  color: #666666;
}

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-form {
  width: min(360px, calc(100vw - 32px));
  padding: 20px;
  background: #ffffff;
  border: 1px solid #d8d8d8;
}

.login-form input {
  width: 100%;
  margin: 12px 0;
  min-height: 36px;
  padding: 8px;
  border: 1px solid #bbbbbb;
  font: inherit;
}

.login-error {
  min-height: 20px;
  color: #a00000;
}

@media (max-width: 900px) {
  .topbar {
    height: auto;
    align-items: flex-start;
    flex-direction: column;
  }

  .workspace {
    display: block;
    height: auto;
  }

  .pane {
    height: 420px;
    margin-bottom: 12px;
  }

  .resizer {
    display: none;
  }
}