.ttw-tool .ttw-card { padding: 1rem; margin: 1rem 0; border: 1px solid var(--border, #ddd); border-radius: .75rem; }
.ttw-tool .ttw-sentence { font-size: 1.4rem; line-height: 1.8; white-space: pre-wrap; overflow-wrap: anywhere; }
.ttw-tool .ttw-zhuyin { line-height: 2; word-break: keep-all; overflow-wrap: normal; word-spacing: .5em; }
.ttw-tool .ttw-source, .ttw-tool #ttw-picked-source { overflow-wrap: anywhere; }
.ttw-tool [aria-pressed="true"] { background: var(--brand); color: #fff; border-color: var(--brand); box-shadow: inset 0 0 0 1px currentColor; font-weight: 700; }
.ttw-tool .ttw-filter { margin-bottom: 1rem; }
.ttw-tool.ttw-hide-zhuyin .ttw-zhuyin { display: none; }
.ttw-tool [hidden] { display: none !important; }
.ttw-tool .pick-buttons { flex-wrap: wrap; gap: .5rem; }
.ttw-tool .pick-buttons .btn { flex: 0 0 auto; min-height: 40px; }
.ttw-tool #ttw-copy-status { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.ttw-tool #ttw-manual-wrap { margin-top: .75rem; }
.ttw-tool .ttw-syl { display: inline-block; white-space: nowrap; }