* { box-sizing: border-box; }

body.locked > header,
body.locked > main,
body.locked > section { display: none !important; }

.gate { display: none; }

body.locked .gate {
  display: flex;
  position: fixed;
  inset: 0;
  background: #fff;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
}

.gate-box {
  border: 1px solid #000;
  padding: 24px;
  width: 100%;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.gate-box h1 {
  margin: 0;
  font-size: 16px;
  font-weight: bold;
}

.gate-box label {
  gap: 4px;
}

.gate-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.gate-error {
  font-size: 12px;
  font-style: italic;
  color: #000;
}

html, body {
  margin: 0;
  padding: 0;
  background: #fff;
  color: #000;
  font-family: Arial, sans-serif;
  font-size: 13px;
  line-height: 1.4;
}

header {
  padding: 20px 24px 0;
  border-bottom: 1px solid #000;
}

header h1 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: bold;
}

.help {
  margin: 0 0 12px;
  font-size: 12px;
}

.help summary {
  cursor: pointer;
  user-select: none;
}

.help ol {
  margin: 6px 0 0;
  padding-left: 20px;
}

.help li { margin: 2px 0; }

.tabs {
  display: flex;
  gap: 0;
  margin-bottom: -1px;
}

.tab {
  background: #fff;
  color: #000;
  border: 1px solid #000;
  border-bottom: none;
  padding: 6px 14px;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  margin-right: -1px;
}

.tab.active {
  background: #000;
  color: #fff;
}

main {
  display: grid;
  grid-template-columns: minmax(260px, 340px) 1fr;
  gap: 24px;
  padding: 24px;
  align-items: start;
}

.tab-panel { display: none; }
.tab-panel.active { display: grid; }

#tab-logos.tab-panel.active {
  display: block;
  padding: 24px;
}

@media (max-width: 800px) {
  main { grid-template-columns: 1fr; padding: 16px; gap: 16px; }
  header { padding: 16px 16px 0; }
  #tab-logos.tab-panel.active { padding: 16px; }
}

.form-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

label > span {
  font-size: 12px;
}

input {
  padding: 5px 8px;
  border: 1px solid #000;
  background: #fff;
  font: inherit;
  color: #000;
}

input:focus {
  outline: none;
}

.warn {
  color: #000;
  font-size: 11px;
  font-style: italic;
}

.actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
}

button {
  padding: 5px 12px;
  border: 1px solid #000;
  background: #000;
  color: #fff;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}

button:hover {
  background: #fff;
  color: #000;
}

#copy-status {
  font-size: 12px;
}

#copy-status.error { font-style: italic; }

.fallback {
  margin-top: 6px;
  font-size: 12px;
}

.fallback summary { cursor: pointer; user-select: none; }
.fallback p { margin: 4px 0 0; }

kbd {
  border: 1px solid #000;
  padding: 0 4px;
  font-size: 11px;
  font-family: monospace;
}

.preview-panel h2,
.logos-panel h2 {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: bold;
}

#preview {
  background: #fff;
  border: 1px solid #000;
  padding: 16px;
  min-height: 180px;
  max-width: 340px;
  overflow: auto;
}

#preview:focus { outline: none; }

.logos-panel { max-width: 720px; }

.logos-intro {
  margin: 0 0 12px;
  font-size: 12px;
}

.logo-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid #000;
}

.logo-row {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid #000;
}

.logo-thumb {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #000;
  overflow: hidden;
}

.logo-thumb img {
  max-width: 80%;
  max-height: 80%;
  object-fit: contain;
}

.logo-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.logo-label { font-size: 13px; }

.logo-url {
  font-family: monospace;
  font-size: 11px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.logo-copy {
  padding: 4px 10px;
  font-size: 11px;
  white-space: nowrap;
}

.logo-copy.copied {
  background: #fff;
  color: #000;
}

@media (max-width: 600px) {
  .logo-row {
    grid-template-columns: 40px 1fr;
    grid-template-rows: auto auto;
  }
  .logo-copy {
    grid-column: 1 / -1;
    justify-self: start;
  }
}