/* lieslese — library UI on top of weltsein.css tokens */
.muted { color: var(--text-muted); }
.small { font-size: 0.82rem; }
.mt { margin-top: 1.4rem; }
main { padding-bottom: 4rem; }

.btn { display: inline-block; font-family: 'JetBrains Mono', monospace; font-size: 0.8rem;
  padding: 0.45rem 0.8rem; border: 1px solid var(--border); border-radius: 4px;
  background: var(--bg); color: var(--text); cursor: pointer; text-decoration: none; line-height: 1.2; }
.btn:hover { border-color: var(--brand); color: var(--brand); }
.btn-sm { font-size: 0.72rem; padding: 0.3rem 0.6rem; }
.btn-primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-light); border-color: var(--brand-light); color: #fff; }
.btn-danger:hover { border-color: #b3453a; color: #b3453a; }

.header-controls { display: flex; gap: 0.4rem; align-items: center; }
.theme-toggle { background: none; border: 1px solid var(--border); border-radius: 4px; width: 34px; height: 34px;
  cursor: pointer; color: var(--text); font-size: 1rem; }
.theme-toggle:hover { border-color: var(--brand); color: var(--brand); }

/* hero */
.hero { text-align: center; padding: 2.5rem 0 2rem; border-bottom: 1px solid var(--border); margin-bottom: 2rem; }
.hero h1 { font-family: 'JetBrains Mono', monospace; margin: 0 0 0.6rem; }
.hero p { max-width: 42ch; margin: 0 auto 1.4rem; }
.open-actions { display: flex; justify-content: center; gap: 0.6rem; }

.lib-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1.4rem; flex-wrap: wrap; }
.filter-bar { display: flex; gap: 0.4rem; }
.filter-bar input[type=search], .filter-bar select, #custom-css, .form-group input, .form-group textarea, textarea {
  padding: 0.45rem 0.6rem; border: 1px solid var(--border); border-radius: 4px; background: var(--bg);
  color: var(--text); font-family: inherit; font-size: 0.9rem; }
.filter-bar input[type=search] { min-width: 220px; }

/* book grid */
.book-grid { display: grid; gap: 1.6rem 1.2rem; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
.book-cell { display: flex; flex-direction: column; }
.book-cover-link { position: relative; display: block; aspect-ratio: 2/3; background: var(--bg-secondary);
  border-radius: 3px; overflow: hidden; border: 1px solid var(--border); }
.book-cover { width: 100%; height: 100%; object-fit: cover; display: block; }
.progress-bar { position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: rgba(0,0,0,0.15); }
.progress-bar > span { display: block; height: 100%; background: var(--brand); }
.book-title-btn { text-align: left; background: none; border: none; padding: 0; margin-top: 0.5rem; cursor: pointer;
  font-size: 0.82rem; color: var(--text); line-height: 1.25; font-family: inherit;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.book-title-btn:hover { color: var(--brand); }
.book-author { font-size: 0.72rem; color: var(--text-muted); margin-top: 0.1rem; }
.empty { text-align: center; padding: 3rem 1rem; }

/* drag & drop hint */
.drop-hint { position: fixed; inset: 0; z-index: 50; display: none; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--brand) 12%, var(--bg)); border: 3px dashed var(--brand);
  font-family: 'JetBrains Mono', monospace; color: var(--brand); font-size: 1.2rem; }
.drop-hint.show { display: flex; }

/* modals */
.modal { position: fixed; inset: 0; z-index: 60; background: rgba(0,0,0,0.45); display: flex;
  align-items: flex-start; justify-content: center; padding: 4vh 1rem; overflow-y: auto; }
.modal[hidden] { display: none; }
.modal-card { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 1.6rem;
  max-width: 640px; width: 100%; }
.modal-card h2 { margin-top: 0; }
.modal-close { margin-top: 1.4rem; }

/* detail */
.detail-head { display: flex; gap: 1.4rem; }
.detail-cover { width: 130px; border-radius: 4px; border: 1px solid var(--border); align-self: flex-start; }
.detail-actions { display: flex; gap: 0.5rem; margin-top: 1rem; flex-wrap: wrap; }
.editor-tools { display: flex; gap: 0.6rem; align-items: center; margin: 0.8rem 0; }
.form-group { display: flex; flex-direction: column; gap: 0.25rem; margin: 0.5rem 0; }
.form-group label { font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; color: var(--text-muted); }
.form-group input { width: 100%; }
.form-row { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; }
.form-row .form-group { flex: 1; }

.notebook-head { display: flex; justify-content: space-between; align-items: baseline; }
.export-links { font-size: 0.78rem; display: flex; gap: 0.6rem; }
.anno-list { list-style: none; padding: 0; margin: 1rem 0; }
.anno-item { border-left: 3px solid var(--anno-color, var(--border)); padding: 0.3rem 0 0.3rem 0.9rem; margin-bottom: 0.9rem; }
.anno-quote { font-style: italic; }
.anno-note { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.3rem; }

/* settings */
.theme-picker { display: flex; flex-direction: column; gap: 0.5rem; }
.theme-option { display: flex; align-items: center; gap: 0.5rem; cursor: pointer; font-size: 0.9rem; }
.swatch { width: 18px; height: 18px; border-radius: 50%; border: 1px solid var(--border); }
.swatch-weltsein { background: #4a7a3f; } .swatch-weltsein-blau { background: #3f6a7a; }
#custom-css { width: 100%; font-family: 'JetBrains Mono', monospace; font-size: 0.8rem; }

/* toast */
#toast { position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%) translateY(2rem);
  background: var(--text); color: var(--bg); padding: 0.5rem 1rem; border-radius: 6px; font-size: 0.85rem;
  opacity: 0; pointer-events: none; transition: 0.2s; z-index: 70; }
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.site-footer { text-align: center; }
.site-footer a { color: var(--brand); }

@media (max-width: 600px) {
  .filter-bar input[type=search] { min-width: 130px; }
  .book-grid { grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); }
  .detail-head { flex-direction: column; }
}