:root {
  color-scheme: var(--tg-color-scheme, light);
  --app-bg: var(--tg-theme-bg-color, #ffffff);
  --app-section-bg: var(--tg-theme-secondary-bg-color, #f4f5f7);
  --app-text: var(--tg-theme-text-color, #1d2733);
  --app-hint: var(--tg-theme-hint-color, #707579);
  --app-link: var(--tg-theme-link-color, #2481cc);
  --app-button: var(--tg-theme-button-color, #2481cc);
  --app-button-text: var(--tg-theme-button-text-color, #ffffff);
  --app-separator: var(--tg-theme-section-separator-color, rgba(0, 0, 0, 0.12));
  --safe-bottom: var(--tg-safe-area-inset-bottom, 0px);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--app-bg);
  color: var(--app-text);
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  letter-spacing: 0;
}

button,
input {
  font: inherit;
}

.app-shell {
  width: min(920px, 100%);
  margin: 0 auto;
  padding: 16px 14px calc(20px + var(--safe-bottom));
}

.search-panel {
  padding: 0 0 12px;
  border-bottom: 1px solid var(--app-separator);
}

.search-form {
  display: grid;
  gap: 8px;
}

.search-label {
  color: var(--app-hint);
  font-size: 13px;
  font-weight: 600;
}

.search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

input[type="search"] {
  min-width: 0;
  height: 44px;
  border: 1px solid var(--app-separator);
  border-radius: 8px;
  background: var(--app-section-bg);
  color: var(--app-text);
  padding: 0 12px;
  outline: none;
}

input[type="search"]:focus {
  border-color: var(--app-link);
}

button {
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  background: var(--app-button);
  color: var(--app-button-text);
  padding: 0 14px;
  font-weight: 650;
  cursor: pointer;
}

button:disabled {
  cursor: default;
  opacity: 0.48;
}

.status-line {
  min-height: 28px;
  padding: 12px 0 4px;
  color: var(--app-hint);
  font-size: 14px;
}

.results {
  display: grid;
  gap: 0;
}

.book-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--app-separator);
}

.cover {
  width: 72px;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  border-radius: 6px;
  background: var(--app-section-bg);
  border: 1px solid var(--app-separator);
}

.cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cover-placeholder {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  color: var(--app-hint);
  font-size: 22px;
  font-weight: 700;
}

.book-main {
  min-width: 0;
  display: grid;
  gap: 5px;
}

.book-title {
  margin: 0;
  color: var(--app-text);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.28;
}

.book-meta {
  color: var(--app-hint);
  font-size: 13px;
}

.book-description {
  margin: 2px 0 0;
  color: var(--app-text);
  font-size: 14px;
}

.format-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.format-chip {
  min-height: 28px;
  border-radius: 6px;
  background: var(--app-section-bg);
  color: var(--app-link);
  border: 1px solid var(--app-separator);
  padding: 4px 8px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding-top: 14px;
}

@media (max-width: 420px) {
  .app-shell {
    padding-inline: 12px;
  }

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

  .book-row {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 10px;
  }

  .cover {
    width: 58px;
  }
}