/* The editor, composition strip and key deck form one compact workspace. */
/* Advanced tools live in a dialog, keeping the typing surface compact. */
#keyboardApp .zhuyin-tools-open { display: inline-flex; align-items: center; gap: 5px; min-height: 30px; padding: 4px 8px; border: 1px solid var(--keyboard-border); border-radius: 6px; color: var(--keyboard-muted); background: var(--keyboard-paper); font-size: 11px; font-weight: 600; }
#keyboardApp .zhuyin-tools-open:hover { color: var(--keyboard-accent); background: var(--keyboard-toolbar); }
#keyboardApp .zhuyin-tools-dialog { width: min(740px, calc(100vw - 32px)); max-width: none; max-height: min(760px, calc(100dvh - 40px)); margin: auto; padding: 0; overflow: hidden; border: 1px solid var(--keyboard-border); border-radius: 18px; background: var(--keyboard-paper); color: var(--keyboard-ink); box-shadow: 0 24px 90px #13223840; text-align: left; font-size: 14px; line-height: 1.5; }
#keyboardApp .zhuyin-tools-dialog[open] { display: flex; flex-direction: column; }
.zhuyin-tools-dialog::backdrop { background: #15213770; backdrop-filter: blur(3px); }
#keyboardApp .zhuyin-tools-dialog * { box-sizing: border-box; }
#keyboardApp .zt-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; padding: 22px 24px 16px; }
#keyboardApp .zt-header h2 { margin: 0; font-size: 21px; line-height: 1.3; font-weight: 700; letter-spacing: -.3px; color: var(--keyboard-ink); }
#keyboardApp .zt-header p { margin: 4px 0 0; color: var(--keyboard-muted); font-size: 13px; }
#keyboardApp .zt-icon-button { display: grid; flex: 0 0 30px; place-items: center; width: 30px; height: 30px; padding: 0; border: 0; border-radius: 6px; background: var(--keyboard-toolbar); color: var(--keyboard-muted); font-size: 24px; }
#keyboardApp .zt-tabs { display: flex; flex: 0 0 auto; gap: 4px; padding: 0 20px; border-bottom: 1px solid var(--keyboard-border); }
#keyboardApp .zt-tabs button { flex: 1; min-width: 0; padding: 11px 8px; border: 0; border-bottom: 3px solid transparent; border-radius: 5px 5px 0 0; background: transparent; color: var(--keyboard-muted); font-size: 13px; font-weight: 600; white-space: nowrap; }
#keyboardApp .zt-tabs button[aria-selected="true"] { border-bottom-color: var(--keyboard-accent); color: var(--keyboard-accent); background: var(--keyboard-soft); }
#keyboardApp .zt-tabs button:hover { background: var(--keyboard-toolbar); }
#keyboardApp .zt-body { min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding: 22px 24px 26px; scrollbar-width: thin; }
#keyboardApp .zt-panel[hidden], #keyboardApp .zhuyin-tools-dialog [hidden] { display: none !important; }
#keyboardApp .zt-panel h3 { margin: 0 0 5px; color: var(--keyboard-ink); font-size: 16px; font-weight: 650; }
#keyboardApp .zt-panel h4 { margin: 20px 0 10px; font-size: 14px; }
#keyboardApp .zt-preview-heading { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px; margin: 20px 0 10px; }
#keyboardApp .zt-preview-heading h4 { margin: 0; }
#keyboardApp .zt-preview-heading label { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; cursor: pointer; }
#keyboardApp .zt-preview-heading input { width: 15px; height: 15px; margin: 0; accent-color: var(--keyboard-accent); }
#keyboardApp .zt-panel p { margin: 0 0 12px; color: var(--keyboard-muted); font-size: 13px; }
#keyboardApp .zt-setting { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--keyboard-border); cursor: pointer; }
#keyboardApp .zt-setting strong { display: block; font-size: 14px; font-weight: 600; }
#keyboardApp .zt-setting small { display: block; margin-top: 4px; color: var(--keyboard-muted); font-size: 12px; line-height: 1.6; }
#keyboardApp .zt-setting input { flex: 0 0 18px; width: 18px; height: 18px; margin: 0; accent-color: var(--keyboard-accent); }
#keyboardApp .zt-setting-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin-top: 20px; }
#keyboardApp .zt-setting-footer p { flex: 1 1 250px; margin: 0; font-size: 12px; }
#keyboardApp .zt-button { display: inline-flex; justify-content: center; align-items: center; min-height: 34px; padding: 7px 11px; border: 1px solid var(--keyboard-border); border-radius: 7px; background: var(--keyboard-paper); color: var(--keyboard-ink); font-size: 12px; font-weight: 600; line-height: 1.4; cursor: pointer; }
#keyboardApp .zt-button:hover:enabled { background: var(--keyboard-toolbar); }
#keyboardApp .zt-button.zt-primary { border-color: #de032d; background: #de032d; color: #fff; }
#keyboardApp .zt-button.zt-primary:hover:enabled { border-color: #b30225; background: #b30225; }
#keyboardApp .zt-button:disabled { opacity: .45; cursor: default; }
#keyboardApp .zt-section-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 16px; }
#keyboardApp .zt-section-heading > .zt-button { flex-shrink: 0; }
#keyboardApp .zt-section-heading p { margin: 0; }
#keyboardApp .zt-label { display: block; margin: 0 0 7px; font-size: 12px; font-weight: 600; }
#keyboardApp .zhuyin-tools-dialog :is(input[type="text"], textarea) { width: 100%; max-width: 100%; margin: 0 0 12px; padding: 10px 12px; border: 1px solid var(--keyboard-border); border-radius: 8px; background: var(--keyboard-paper); color: var(--keyboard-ink); font-size: 17px; line-height: 1.5; }
#keyboardApp .zhuyin-tools-dialog input[type="text"] { height: 44px; }
#keyboardApp .zhuyin-tools-dialog textarea { min-height: 76px; resize: vertical; }
#keyboardApp .zhuyin-tools-dialog :is(input, textarea)::placeholder { color: var(--keyboard-placeholder); opacity: 1; font-size: 14px; font-weight: 400; }
#keyboardApp .zt-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0 0 12px; }
#keyboardApp .zt-voice-label { display: inline-flex; align-items: center; gap: 7px; margin-left: auto; font-size: 11px; color: var(--keyboard-muted); }
#main #keyboardApp #zt-voice { --keyboard-select-height: 34px; max-width: 185px; font-size: 11px; }
#keyboardApp .zt-panel .zt-caption { color: var(--keyboard-muted); font-size: 11px; line-height: 1.6; }
#keyboardApp .zt-panel .zt-voice-note { margin: 0 0 12px; padding: 10px 12px; border-radius: 8px; background: var(--keyboard-toolbar); color: var(--keyboard-muted); font-size: 12px; line-height: 1.6; }
#keyboardApp .zt-reading-list { display: flex; flex-direction: column; gap: 7px; margin: 16px 0; }
#keyboardApp .zt-reading-row { display: grid; grid-template-columns: minmax(52px, 1fr) minmax(100px, 2fr) minmax(85px, 1.6fr) auto; align-items: center; gap: 12px; padding: 12px; border: 1px solid var(--keyboard-border); border-radius: 9px; }
#keyboardApp .zt-reading-word { font-size: 21px; overflow-wrap: anywhere; }
#keyboardApp .zt-reading-zhuyin { font-size: 17px; overflow-wrap: anywhere; }
#keyboardApp .zt-reading-pinyin { color: var(--keyboard-muted); font-size: 14px; overflow-wrap: anywhere; }
#keyboardApp .zt-reading-alternatives { display: block; margin-top: 4px; color: var(--keyboard-muted); font-size: 10px; }
#keyboardApp .zt-reading-row .zt-button { padding: 5px 8px; min-height: 30px; font-size: 11px; }
#keyboardApp .zt-annotation-preview { padding: 25px 16px 14px; margin-bottom: 14px; border: 1px solid var(--keyboard-border); border-radius: 10px; background: var(--keyboard-toolbar); color: var(--keyboard-ink); font-size: 28px; line-height: 2.5; overflow-wrap: anywhere; white-space: pre-wrap; }
#keyboardApp .zt-annotation-preview ruby { ruby-position: over; margin-inline: 3px; }
#keyboardApp .zt-annotation-preview rt { font-size: 12px; color: var(--keyboard-muted); }
#keyboardApp .zt-phrase-form { padding: 16px; border: 1px solid var(--keyboard-border); border-radius: 10px; background: var(--keyboard-toolbar); }
#keyboardApp .zt-phrase-form .zt-actions { margin-bottom: 0; }
#keyboardApp .zt-phrase-list { margin: 16px 0 20px; }
#keyboardApp .zt-phrase-item { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--keyboard-border); }
#keyboardApp .zt-phrase-item strong { display: block; font-size: 17px; font-weight: 500; overflow-wrap: anywhere; }
#keyboardApp .zt-phrase-item small { display: block; margin-top: 3px; color: var(--keyboard-muted); font-size: 13px; overflow-wrap: anywhere; }
#keyboardApp .zt-phrase-item .zt-actions { flex: 0 0 auto; gap: 5px; margin-bottom: 0; }
#keyboardApp .zt-phrase-item .zt-button { min-height: 30px; padding: 5px 8px; font-size: 11px; }
#keyboardApp .zt-backup { padding-top: 15px; border-top: 1px solid var(--keyboard-border); color: var(--keyboard-muted); font-size: 12px; }
#keyboardApp .zt-backup .zt-actions { margin-top: 10px; margin-bottom: 5px; }
#keyboardApp .zt-message { padding: 10px 12px; margin-bottom: 16px; border-radius: 7px; background: var(--keyboard-toolbar); color: var(--keyboard-ink); font-size: 12px; overflow-wrap: anywhere; }
#keyboardApp .zt-message[data-error="true"] { border-inline-start: 3px solid var(--keyboard-accent); }
#keyboardApp .zt-practice-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 15px; }
#keyboardApp .zt-stat { padding: 10px; border-radius: 8px; background: var(--keyboard-toolbar); text-align: center; }
#keyboardApp .zt-stat strong { display: block; color: var(--keyboard-ink); font-size: 20px; }
#keyboardApp .zt-stat span { color: var(--keyboard-muted); font-size: 11px; }
#keyboardApp .zt-practice-card { padding: 18px; border: 1px solid var(--keyboard-border); border-radius: 11px; }
#keyboardApp .zt-practice-prompt { display: flex; align-items: center; justify-content: center; gap: 15px; margin-bottom: 18px; }
#keyboardApp #zt-practice-word { font-size: 34px; letter-spacing: 3px; }
#keyboardApp .zt-panel .zt-practice-hint { margin-top: -7px; margin-bottom: 14px; color: var(--keyboard-accent); font-size: 20px; text-align: center; }
#keyboardApp .zt-practice-feedback { min-height: 32px; margin-bottom: 0 !important; padding: 6px 10px; border-radius: 8px; font-size: 12px !important; line-height: 20px; }
#keyboardApp .zt-panel .zt-practice-feedback[data-correct="true"] { font-weight: 600; color: var(--keyboard-success); }
#keyboardApp .zt-panel .zt-practice-feedback[data-correct="false"] { font-weight: 600; color: var(--keyboard-feedback-error); background: transparent; }
#keyboardApp .zt-practice-keys { display: grid; grid-template-columns: repeat(10, 1fr); gap: 5px; margin: 16px 0 10px; }
#keyboardApp .zt-practice-key { position: relative; min-width: 0; height: 44px; padding: 5px 2px 2px; border: 1px solid var(--keyboard-border); border-radius: 6px; background: var(--keyboard-paper); color: var(--keyboard-ink); font-size: 21px; }
#keyboardApp .zt-practice-key small { position: absolute; top: 2px; left: 5px; color: var(--keyboard-muted); font-size: 8px; line-height: 1; }
#keyboardApp .zt-practice-key.is-next { border-color: var(--keyboard-accent); background: var(--keyboard-soft); color: var(--keyboard-accent); box-shadow: 0 0 0 1px var(--keyboard-accent); }
#keyboardApp .zt-practice-key.zt-practice-space { grid-column: span 4; font-size: 11px; }
#keyboardApp .zt-practice-key.zt-practice-backspace { grid-column: span 2; font-size: 18px; }
@media (max-width: 600px) {
    #keyboardApp .zhuyin-tools-dialog { width: calc(100vw - 20px); max-height: calc(100dvh - 20px); border-radius: 12px; }
    #keyboardApp .zt-header { padding: 17px 16px 13px; }
    #keyboardApp .zt-header h2 { font-size: 18px; }
    #keyboardApp .zt-tabs { padding-inline: 10px; gap: 0; }
    #keyboardApp .zt-tabs button { padding-inline: 4px; font-size: 12px; }
    #keyboardApp .zt-body { padding: 18px 16px 22px; }
    #keyboardApp .zt-section-heading { flex-wrap: wrap; gap: 10px; }
    #keyboardApp .zt-setting { gap: 15px; padding-block: 15px; }
    #keyboardApp .zt-reading-row { grid-template-columns: minmax(45px, .7fr) minmax(85px, 1.3fr) auto; gap: 8px; padding: 10px; }
    #keyboardApp .zt-reading-pinyin { grid-column: 2; font-size: 13px; }
    #keyboardApp .zt-reading-row > .zt-button { grid-column: 3; grid-row: 1 / span 2; }
    #keyboardApp .zt-voice-label { width: 100%; margin: 0; }
    #main #keyboardApp #zt-voice { max-width: calc(100vw - 100px); }
    #keyboardApp .zt-phrase-item { align-items: flex-start; flex-direction: column; gap: 9px; }
    #keyboardApp .zt-practice-card { padding: 14px 12px; }
    #keyboardApp .zt-practice-keys { grid-template-columns: repeat(8, 1fr); gap: 4px; }
    #keyboardApp .zt-practice-key { height: 42px; font-size: 20px; }
}

/* Focused tool pages reuse the same accessible controls without modal sizing. */
#keyboardApp .zt-tool-links { display: grid; gap: 9px; margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--keyboard-border); }
#keyboardApp .zt-tool-links a { display: grid; grid-template-columns: minmax(0, 1fr) 20px; gap: 2px 10px; padding: 12px 14px; border: 1px solid var(--keyboard-border); border-radius: 9px; color: var(--keyboard-ink); text-decoration: none; }
#keyboardApp .zt-tool-links a:hover { background: var(--keyboard-toolbar); }
#keyboardApp .zt-tool-links a > span:first-child { font-size: 13px; font-weight: 650; }
#keyboardApp .zt-tool-links small { grid-column: 1; color: var(--keyboard-muted); font-size: 12px; }
#keyboardApp .zt-tool-links a > span:last-child { grid-column: 2; grid-row: 1 / 3; align-self: center; color: var(--keyboard-accent); font-size: 18px; }
#main #keyboardApp.zhuyin-resource-app { width: 100%; max-width: 960px; margin: 0 auto; padding: 0; border-radius: 20px; box-shadow: 0 10px 32px #25324608; }
#keyboardApp .zhuyin-tools-embedded { display: block; width: 100%; max-width: none; max-height: none; margin: 0; border: 0; border-radius: inherit; box-shadow: none; overflow: visible; }
#keyboardApp .zhuyin-tools-embedded .zt-body { overflow: visible; padding: clamp(20px, 3vw, 36px); }
#keyboardApp .zhuyin-tools-embedded .zt-section-heading { margin-bottom: 22px; }
#keyboardApp .zhuyin-tools-embedded .zt-panel h3 { font-size: 20px; }
#keyboardApp .zhuyin-tools-embedded .zt-panel p { font-size: 14px; line-height: 1.65; }
#keyboardApp .zhuyin-tools-embedded .zt-button { min-height: 39px; padding: 8px 13px; font-size: 13px; }
#keyboardApp .zhuyin-tools-embedded .zt-label { font-size: 13px; }
#keyboardApp .zhuyin-tools-embedded #zt-learn-text { min-height: 150px; padding: 16px; font-size: 23px; line-height: 1.65; }
#keyboardApp .zhuyin-tools-embedded .zt-panel .zt-caption { font-size: 12px; }
#keyboardApp .zhuyin-tools-embedded .zt-reading-list { margin-block: 24px; }
#keyboardApp .zhuyin-tools-embedded .zt-reading-row { padding: 15px 18px; }
#keyboardApp .zhuyin-tools-embedded .zt-reading-word { font-size: 25px; }
#keyboardApp .zhuyin-tools-embedded .zt-reading-zhuyin { font-size: 20px; }
#keyboardApp .zhuyin-tools-embedded .zt-reading-pinyin { font-size: 16px; }
#keyboardApp .zhuyin-tools-embedded .zt-annotation-preview { padding: 30px 22px 20px; font-size: 32px; }
#keyboardApp .zhuyin-tools-embedded .zt-annotation-preview rt { font-size: 14px; }
#keyboardApp .zhuyin-tools-embedded .zt-phrase-form { display: grid; grid-template-columns: 1fr 1.2fr; align-items: start; gap: 12px 20px; padding: 22px; }
#keyboardApp .zhuyin-tools-embedded .zt-phrase-form > .zt-actions { grid-column: 1 / -1; }
#keyboardApp .zhuyin-tools-embedded .zt-phrase-form input { margin-top: 8px; margin-bottom: 0; }
#keyboardApp .zhuyin-tools-embedded .zt-phrase-list { margin-block: 22px 28px; }
#keyboardApp .zhuyin-tools-embedded .zt-practice-stats { gap: 12px; margin-bottom: 22px; }
#keyboardApp .zhuyin-tools-embedded .zt-stat { padding: 16px 10px; }
#keyboardApp .zhuyin-tools-embedded .zt-stat strong { font-size: 26px; }
#keyboardApp .zhuyin-tools-embedded .zt-stat span { font-size: 12px; }
#keyboardApp .zhuyin-tools-embedded .zt-practice-card { padding: 26px; }
#keyboardApp .zhuyin-tools-embedded #zt-practice-word { font-size: 46px; }
#keyboardApp .zhuyin-tools-embedded .zt-practice-keys { gap: 8px; margin-top: 22px; }
#keyboardApp .zhuyin-tools-embedded .zt-practice-key { height: 54px; font-size: 27px; }
#keyboardApp .zhuyin-tools-embedded .zt-practice-key small { font-size: 10px; }
#keyboardApp .zhuyin-tools-embedded .zt-practice-key.zt-practice-space { font-size: 13px; }
#keyboardApp .zhuyin-tools-embedded .zt-practice-key.zt-practice-backspace { font-size: 22px; }
#keyboardApp .zt-page-status { margin: 18px 24px; padding: 12px 15px; border-radius: 9px; background: var(--keyboard-toolbar); color: var(--keyboard-ink); font-size: 13px; line-height: 1.6; }
#keyboardApp .zt-page-status[data-error="true"] { border-inline-start: 3px solid var(--keyboard-accent); }
#keyboardApp .zt-page-status[hidden] { display: none; }
#keyboardApp .zt-page-storage-note { padding: 0 clamp(20px, 3vw, 36px) 24px; margin: 0; color: var(--keyboard-muted); font-size: 12px; line-height: 1.6; }
@media (max-width: 600px) {
    #main #keyboardApp.zhuyin-resource-app { border-radius: 14px; }
    #keyboardApp .zhuyin-tools-embedded .zt-body { padding: 20px 15px; }
    #keyboardApp .zhuyin-tools-embedded .zt-section-heading { margin-bottom: 18px; }
    #keyboardApp .zhuyin-tools-embedded .zt-panel h3 { font-size: 18px; }
    #keyboardApp .zhuyin-tools-embedded .zt-panel p { font-size: 13px; }
    #keyboardApp .zhuyin-tools-embedded .zt-reading-row { padding: 12px 10px; }
    #keyboardApp .zhuyin-tools-embedded .zt-reading-word { font-size: 23px; }
    #keyboardApp .zhuyin-tools-embedded .zt-reading-zhuyin { font-size: 18px; }
    #keyboardApp .zhuyin-tools-embedded .zt-reading-pinyin { font-size: 14px; }
    #keyboardApp .zhuyin-tools-embedded .zt-reading-row > .zt-button { padding-inline: 7px; font-size: 11px; }
    #keyboardApp .zhuyin-tools-embedded .zt-phrase-form { grid-template-columns: minmax(0, 1fr); gap: 12px; padding: 16px; }
    #keyboardApp .zhuyin-tools-embedded .zt-practice-card { padding: 18px 13px; }
    #keyboardApp .zhuyin-tools-embedded .zt-practice-stats { gap: 7px; }
    #keyboardApp .zhuyin-tools-embedded .zt-stat { padding: 12px 6px; }
    #keyboardApp .zhuyin-tools-embedded .zt-stat span { font-size: 10px; }
    #keyboardApp .zhuyin-tools-embedded .zt-practice-keys { gap: 5px; }
    #keyboardApp .zhuyin-tools-embedded .zt-practice-key { height: 43px; font-size: 22px; }
    #keyboardApp .zhuyin-tools-embedded .zt-practice-key small { font-size: 8px; }
    #keyboardApp .zhuyin-tools-embedded .zt-annotation-preview { padding-inline: 15px; font-size: 28px; }
}
/* Surrounding labels are Arabic while phonetic examples retain reading order. */
#keyboardApp[dir="rtl"] .zhuyin-tools-dialog { direction: rtl; text-align: right; }
#keyboardApp[dir="rtl"] .zt-voice-label { margin-left: 0; margin-inline-start: auto; }
#keyboardApp[dir="rtl"] :is(.zt-reading-word, .zt-reading-pinyin, .zt-annotation-preview, .zt-phrase-item > div:first-child) { direction: ltr; text-align: left; }
#keyboardApp[dir="rtl"] .zt-reading-alternatives { direction: rtl; text-align: right; }
#keyboardApp[dir="rtl"] :is(.zt-practice-keys, #zt-practice-hint, #zt-practice-word) { direction: ltr; }
#keyboardApp[dir="rtl"] .zt-practice-space { direction: rtl; }
#keyboardApp[dir="rtl"] .zt-stat span { overflow-wrap: anywhere; }
#keyboardApp[dir="rtl"] .zt-tool-links a > span:last-child { transform: scaleX(-1); }
@media (max-width: 600px) {
    #keyboardApp[dir="rtl"] .zt-voice-label { margin-inline-start: 0; }
}

/* Sentence revision is a modal overlay; it never changes keyboard geometry. */
#keyboardApp .zhuyin-compose-dialog { box-sizing: border-box; width: min(620px, calc(100vw - 24px)); max-height: calc(100dvh - 24px); margin: auto; padding: 18px; overflow: auto; border: 1px solid var(--keyboard-border); border-radius: 13px; color: var(--keyboard-ink); background: var(--keyboard-paper); font-size: 13px; }
.zhuyin-compose-dialog::backdrop { background: #17233366; }
.zhuyin-compose-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.zhuyin-compose-header h2 { margin: 0; font-size: 20px; }
#keyboardApp #zhuyin-compose-close { width: 32px; height: 32px; padding: 0; border: 0; border-radius: 6px; color: var(--keyboard-muted); background: var(--keyboard-toolbar); font-size: 24px; }
.zhuyin-compose-help { margin: 12px 0; color: var(--keyboard-muted); font-size: 12px; line-height: 1.5; }
.zhuyin-compose-words, .zhuyin-compose-options { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
#keyboardApp .zhuyin-compose-words button { display: flex; flex-direction: column; align-items: center; gap: 4px; min-width: 44px; padding: 10px; border: 1px solid var(--keyboard-border); border-radius: 7px; color: var(--keyboard-ink); background: var(--keyboard-toolbar); font-size: 26px; }
.zhuyin-compose-words button small { color: var(--keyboard-muted); font-size: 12px; }
#keyboardApp .zhuyin-compose-words button[aria-pressed="true"] { border-color: var(--keyboard-accent); background: var(--keyboard-soft); }
#keyboardApp .zhuyin-compose-options button, #keyboardApp .zhuyin-compose-actions button { padding: 8px 12px; border: 1px solid var(--keyboard-border); border-radius: 7px; color: var(--keyboard-ink); background: var(--keyboard-paper); font-size: 14px; }
.zhuyin-compose-actions { display: flex; justify-content: space-between; gap: 12px; margin-top: 16px; }
#keyboardApp #zhuyin-compose-commit { border-color: var(--keyboard-accent); color: white; background: #de032d; font-weight: 600; }
#keyboardApp #zhuyin-compose-edit { margin-inline-start: auto; padding: 5px 9px; border: 1px solid var(--keyboard-border); border-radius: 5px; color: var(--keyboard-ink); background: var(--keyboard-paper); font-size: 11px; }
#keyboardApp #zhuyin-compose-edit[hidden] { display: none; }
#keyboardApp .keyboard-key.zhuyin-practice-next { outline: 2px solid var(--keyboard-accent); outline-offset: 1px; background: var(--keyboard-soft); }
#keyboardApp .zhuyin-tools-open[hidden] { display: none; }

.keyboard-page .keyboard-intro { padding: 14px 0; }
.keyboard-page .keyboard-intro #tool-title { margin: 0 0 4px; font-size: 34px; line-height: 1.2; }
.keyboard-page .keyboard-intro > p { font-size: 15px; line-height: 1.45; color: #526078; }

#keyboardApp {
    --keyboard-accent: #de032d;
    --keyboard-ink: #253246;
    --keyboard-muted: #526078;
    --keyboard-count-ink: #6b7280;
    --keyboard-placeholder: #a0a6b1;
    --keyboard-border: #aebdd0;
    --keyboard-paper: #fff;
    --keyboard-tray: #e5ebf3;
    --keyboard-toolbar: #f1f4f8;
    --keyboard-key: #fff;
    --keyboard-learning-initial: var(--keyboard-key);
    --keyboard-learning-final: #e8f4ee;
    --keyboard-learning-tone: #fff0dd;
    --keyboard-key-edge: #a5b4c8;
    --keyboard-key-base: #9aaac0;
    --keyboard-board-width: 680px;
    --keyboard-frame-space: 60px;
    --keyboard-modifier: #d5deea;
    --keyboard-disabled: #dce3ed;
    --keyboard-disabled-ink: #7d8b9f;
    --keyboard-soft: #fff0f3;
    --keyboard-composition-field-height: 36px;
    --keyboard-hover: #ffe1e8;
    --keyboard-focus: #de032d;
    --keyboard-success: #17683a;
    --keyboard-feedback-error: #c52237;
    --keyboard-active-ink: #a90022;
    --control-border: #aebdd0;
    --control-border-hover: #74869e;
    box-sizing: border-box;
    width: min(calc(var(--keyboard-board-width) + var(--keyboard-frame-space)), calc(100% - 48px));
    margin: 0 auto 30px;
    padding: 16px;
    border: 1px solid var(--keyboard-border);
    border-radius: 16px;
    background: var(--keyboard-paper);
    color: var(--keyboard-ink);
    box-shadow: 0 10px 28px #2532460d;
    text-align: left;
    line-height: 1.4;
}
#keyboardApp :is(button, input, select, textarea) { box-sizing: border-box; font-family: inherit; }
#keyboardApp button { touch-action: manipulation; }
#keyboardApp .keyboard-error { position: fixed; right: 20px; bottom: 20px; z-index: 1000; display: flex; align-items: flex-start; gap: 12px; width: min(420px, calc(100vw - 40px)); padding: 14px 12px 14px 16px; border: 1px solid var(--keyboard-border); border-inline-start: 4px solid var(--keyboard-accent); border-radius: 10px; background: var(--keyboard-paper); color: var(--keyboard-ink); box-shadow: 0 8px 28px #0002; font-size: 13px; line-height: 1.5; }
#keyboardApp .keyboard-error[hidden] { display: none; }
#keyboardApp #keyboard-error-text { flex: 1; }
#keyboardApp #keyboard-error-dismiss { flex: 0 0 24px; width: 24px; height: 24px; padding: 0; border-radius: 4px; background: transparent; color: var(--keyboard-muted); font-size: 22px; line-height: 1; }
#keyboardApp #keyboard-error-dismiss:hover { background: var(--keyboard-toolbar); }
#keyboardApp label { color: var(--keyboard-ink); }
#keyboardApp :is(button, input, select, textarea):focus-visible { outline: 2px solid var(--keyboard-focus); outline-offset: 2px; }
#keyboardApp :is(input:not([type="checkbox"]):not([type="radio"]), select, textarea):focus-visible { outline-offset: -2px; }
#main #keyboardApp select { --keyboard-select-height: 32px; width: auto; height: var(--keyboard-select-height); min-height: var(--keyboard-select-height); padding: 5px 8px 5px 10px; border: 1px solid var(--keyboard-border); border-radius: 7px; font-size: 12px; line-height: 1.4; color: var(--keyboard-ink); background-color: var(--keyboard-paper); }
#main #keyboardApp select::picker-icon { margin-inline: 0; }
#keyboardApp select option { color: var(--keyboard-ink); background: var(--keyboard-paper); }
@supports (appearance: base-select) {
    #main #keyboardApp select option { block-size: var(--keyboard-select-height); min-block-size: var(--keyboard-select-height); padding: 4px 8px; white-space: nowrap; }
}
.keyboard-method-bar { display: grid; grid-template-columns: minmax(0, 1fr) 210px minmax(0, 1fr); align-items: center; gap: 10px; margin-bottom: 12px; }
.keyboard-method-field { display: contents; font-size: 12px; font-weight: 600; }
.keyboard-method-field > label { grid-column: 1; justify-self: end; white-space: nowrap; }
#main #keyboardApp #ListBox_Languages { --keyboard-select-height: var(--keyboard-composition-field-height); grid-column: 2; min-width: 210px; padding-inline-end: 12px; border-color: var(--keyboard-border); background-color: var(--keyboard-paper); color: var(--keyboard-accent); font-weight: 600; }
#main #keyboardApp #ListBox_Languages:focus-visible { outline-color: var(--keyboard-muted); }
#main #keyboardApp #ListBox_Languages::picker(select) { border-color: var(--keyboard-border); }
#main #keyboardApp #ListBox_Languages::picker-icon { color: var(--keyboard-accent); }
#main #keyboardApp #ListBox_Languages option:is(:checked, :hover, :focus-visible) { background: var(--keyboard-toolbar); color: var(--keyboard-accent); }

/* Align both names in enhanced native selects; classic pickers retain their text labels. */
@supports (appearance: base-select) {
    #main #keyboardApp #ListBox_Languages selectedcontent { display: flex; align-items: center; gap: 12px; }
    #main #keyboardApp #ListBox_Languages selectedcontent .keyboard-method-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    #main #keyboardApp #ListBox_Languages selectedcontent .keyboard-method-native { flex-shrink: 0; }
    #main #keyboardApp #ListBox_Languages option { display: grid; grid-template-columns: minmax(0, 1fr) auto 12px; column-gap: 12px; }
    #main #keyboardApp #ListBox_Languages .keyboard-method-name { grid-column: 1; min-width: 0; }
    #main #keyboardApp #ListBox_Languages .keyboard-method-native { grid-column: 2; margin-inline-start: auto; text-align: right; white-space: nowrap; color: var(--keyboard-ink); font-family: Arial, sans-serif; font-weight: 600; }
    #main #keyboardApp #ListBox_Languages .keyboard-method-separator { display: none; }
    #main #keyboardApp #ListBox_Languages option::checkmark { grid-column: 3; width: 12px; margin: 0; }
}

.keyboard-workbench { overflow: hidden; border: 1px solid var(--keyboard-border); border-radius: 11px; background: var(--keyboard-tray); }
.keyboard-editor { background: var(--keyboard-paper); }
.keyboard-text-area { position: relative; display: flex; flex-direction: column; height: 180px; min-height: 112px; overflow: hidden; resize: vertical; }
.keyboard-editor-bottom { display: grid; flex: 0 0 auto; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; gap: 8px; padding: 0 12px 6px; background: var(--keyboard-paper); }
#keyboardApp #iChar { justify-self: start; min-width: 0; max-width: 100%; padding: 0; border: 0; color: var(--keyboard-count-ink); background: transparent; font-size: 11px; font-weight: 400; line-height: 1.4; font-variant-numeric: tabular-nums; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#keyboardApp #preview { display: block; flex: 1 1 auto; width: 100%; max-width: 100%; height: 0; min-height: 0; margin: 0; padding: 8px 12px; border: 0; border-radius: 0; color: var(--keyboard-ink); background: var(--keyboard-paper); font-family: Arial, sans-serif; font-size: 28px; line-height: 1.45; text-align: start; resize: none; overflow: auto; }
#keyboardApp #preview:focus-visible { outline-offset: -2px; }
#keyboardApp #preview::placeholder { color: var(--keyboard-placeholder); opacity: 1; font-size: 17px; }
.keyboard-editor-tools { display: flex; align-items: center; justify-content: space-between; gap: 6px; padding: 6px 9px; border-bottom: 1px solid var(--keyboard-border); background: var(--keyboard-toolbar); }
.keyboard-format-bar { display: flex; align-items: center; gap: 4px; min-width: 0; }
#keyboardApp .keyboard-direction { display: inline-flex; align-items: center; justify-content: center; gap: 5px; min-height: 30px; padding: 4px 7px; border-radius: 5px; color: var(--keyboard-muted); background: transparent; font-size: 11px; }
.keyboard-direction svg { width: 16px; height: 16px; }
.keyboard-editor-actions { display: flex; align-items: center; gap: 8px; margin-inline-start: auto; }
.keyboard-editor-buttons { display: flex; align-items: center; gap: 8px; margin-inline-start: auto; }
.keyboard-history-buttons { display: flex; gap: 4px; }
.keyboard-actions { display: flex; gap: 4px; }
#keyboardApp .keyboard-action { display: inline-flex; align-items: center; justify-content: center; gap: 5px; min-height: 32px; padding: 6px 7px; border: 1px solid var(--keyboard-border); border-radius: 6px; background: var(--keyboard-paper); color: var(--keyboard-ink); font-size: 11px; font-weight: 600; line-height: 1.25; white-space: nowrap; }
#keyboardApp .keyboard-action svg { width: 15px; height: 15px; }
#keyboardApp .keyboard-editor-buttons .keyboard-action, #keyboardApp .keyboard-history-buttons .keyboard-action { flex: 0 0 32px; width: 32px; height: 32px; padding: 0; }
#keyboardApp .keyboard-editor-buttons .keyboard-action svg, #keyboardApp .keyboard-history-buttons .keyboard-action svg { width: 17px; height: 17px; }
#keyboardApp .keyboard-history-buttons .keyboard-action { border-color: transparent; background: transparent; color: var(--keyboard-muted); }
#keyboardApp .keyboard-history-buttons .keyboard-action:hover:enabled { background: var(--keyboard-tray); }
#keyboardApp .keyboard-history-buttons .keyboard-action:disabled { opacity: .4; cursor: default; }
#keyboardApp #clear_btn { justify-self: end; margin-inline-end: 8px; width: 32px; height: 32px; padding: 0; border-color: transparent; background: transparent; color: var(--keyboard-muted); }
#keyboardApp #clear_btn svg { width: 17px; height: 17px; }
#keyboardApp #clear_btn:hover { background: var(--keyboard-toolbar); }
#keyboardApp .keyboard-action-icons { display: inline-grid; flex: 0 0 17px; width: 17px; height: 17px; }
#keyboardApp .keyboard-action-icons svg { grid-area: 1 / 1; }
#keyboardApp .keyboard-action-done { display: none; }
#keyboardApp .copy-feedback-active .keyboard-action-idle { display: none; }
#keyboardApp .copy-feedback-active .keyboard-action-done { display: block; }
#keyboardApp .keyboard-action:hover, #keyboardApp .keyboard-font-buttons button:hover, #keyboardApp .keyboard-direction:hover { background: var(--keyboard-tray); }
#keyboardApp .keyboard-action-primary { border-color: var(--keyboard-accent); background: var(--keyboard-accent); color: #fff; }
#keyboardApp .keyboard-action-primary:hover { border-color: #b30225; background: #b30225; }

/* Less-used whole-text formatting stays together in one accessible popup. */
#keyboardApp .keyboard-format-bar .keyboard-style-trigger { flex: 0 0 32px; width: 32px; height: 32px; padding: 0; border-color: var(--keyboard-border); background: var(--keyboard-paper); box-shadow: 0 1px 2px #1723330a; }
#keyboardApp .keyboard-format-bar .keyboard-style-trigger:hover { background: var(--keyboard-tray); }
#keyboardApp .keyboard-format-bar .keyboard-style-trigger[aria-expanded="true"] { color: var(--keyboard-accent); background: var(--keyboard-hover); }
#keyboardApp .keyboard-format-bar .keyboard-style-trigger svg { width: 19px; height: 19px; }
#keyboardApp .keyboard-action[aria-busy="true"] { opacity: .6; cursor: progress; }
#keyboardApp .keyboard-style-dialog { box-sizing: border-box; width: min(380px, calc(100vw - 24px)); max-height: calc(100dvh - 32px); margin: auto; padding: 20px; overflow-y: auto; border: 1px solid var(--keyboard-border); border-radius: 16px; color: var(--keyboard-ink); background: var(--keyboard-paper); box-shadow: 0 18px 60px #17233340; text-align: left; font-size: 13px; line-height: 1.45; }
#keyboardApp .keyboard-style-dialog::backdrop { background: #101a2966; }
.keyboard-style-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
#keyboardApp .keyboard-style-header h2 { margin: 0; color: var(--keyboard-ink); font-size: 20px; font-weight: 700; line-height: 1.3; }
#keyboardApp #text-style-close { display: grid; place-items: center; flex: 0 0 32px; width: 32px; height: 32px; padding: 0; border: 0; border-radius: 6px; color: var(--keyboard-muted); background: transparent; font-size: 25px; line-height: 1; }
#keyboardApp #text-style-help { margin: 8px 0 20px; color: var(--keyboard-muted); font-size: 12px; line-height: 1.5; }
.keyboard-style-fields { display: grid; grid-template-columns: minmax(0, 1fr) 112px; gap: 12px; }
.keyboard-style-field { display: grid; gap: 7px; min-width: 0; }
#keyboardApp .keyboard-style-field > label, #keyboardApp .keyboard-style-attributes legend { margin: 0; padding: 0; color: var(--keyboard-ink); font-size: 12px; font-weight: 600; }
#main #keyboardApp #ListBox_Types_fonts { --keyboard-select-height: 38px; width: 100%; min-width: 0; padding: 6px 8px; border: 1px solid var(--keyboard-border); background-color: var(--keyboard-paper); font-size: 12px; }
.keyboard-font-buttons { display: flex; align-items: stretch; min-width: 0; height: 38px; border: 1px solid var(--keyboard-border); border-radius: 7px; background: var(--keyboard-paper); }
#keyboardApp .keyboard-font-buttons button { flex: 0 0 28px; width: 28px; min-width: 0; height: 36px; padding: 2px; border: 0; border-radius: 6px; color: var(--keyboard-ink); background: transparent; font-size: 18px; line-height: 1; }
#keyboardApp #font-size { flex: 1; width: 0; min-width: 0; height: 36px; margin: 0; padding: 3px 0; border: 0; border-radius: 0; color: var(--keyboard-ink); background: transparent; text-align: center; font-size: 13px; font-variant-numeric: tabular-nums; appearance: textfield; -moz-appearance: textfield; }
#font-size::-webkit-inner-spin-button, #font-size::-webkit-outer-spin-button { margin: 0; -webkit-appearance: none; }
.keyboard-style-attributes { min-width: 0; margin: 18px 0; padding: 0; border: 0; }
.keyboard-style-toggles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin-top: 7px; }
#keyboardApp .keyboard-style-toggles button { display: grid; place-items: center; min-height: 40px; padding: 6px; border: 1px solid var(--keyboard-border); border-radius: 7px; color: var(--keyboard-ink); background: var(--keyboard-paper); font-family: Georgia, serif; font-size: 18px; }
#keyboardApp .keyboard-style-toggles button[aria-pressed="true"] { border-color: var(--keyboard-accent); color: var(--keyboard-accent); background: var(--keyboard-hover); box-shadow: inset 0 0 0 1px var(--keyboard-accent); }
.keyboard-style-underline { text-decoration: underline; }
.keyboard-style-strike { text-decoration: line-through; }
.keyboard-color-controls { display: flex; align-items: center; gap: 10px; min-width: 0; }
#keyboardApp #text-color { flex: 0 0 42px; width: 42px; height: 38px; padding: 4px; border: 1px solid var(--keyboard-border); border-radius: 7px; background: var(--keyboard-paper); cursor: pointer; }
#text-color::-webkit-color-swatch-wrapper { padding: 0; }
#text-color::-webkit-color-swatch { border: 0; border-radius: 3px; }
#text-color::-moz-color-swatch { border: 0; border-radius: 3px; }
#keyboardApp #text-color-value { flex: 1; min-width: 0; color: var(--keyboard-muted); font-size: 12px; font-variant-numeric: tabular-nums; }
#keyboardApp #text-color-auto { min-height: 36px; padding: 7px 9px; border: 1px solid var(--keyboard-border); border-radius: 7px; color: var(--keyboard-ink); background: var(--keyboard-paper); font-size: 11px; }
#keyboardApp #text-color-auto[aria-pressed="true"] { color: var(--keyboard-accent); background: var(--keyboard-hover); }
.keyboard-style-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--keyboard-border); }
#keyboardApp .keyboard-style-footer button { min-height: 38px; padding: 8px 14px; border: 1px solid var(--keyboard-border); border-radius: 7px; color: var(--keyboard-ink); background: var(--keyboard-paper); font-size: 12px; font-weight: 600; }
#keyboardApp #text-style-done { border-color: #de032d; background: #de032d; color: #fff; }
#keyboardApp #text-style-done:hover { border-color: #b30225; background: #b30225; }
#keyboardApp :is(#text-style-close, #text-color-auto, #text-style-reset, .keyboard-style-toggles button):hover { background: var(--keyboard-tray); }
@media (max-width: 380px) {
    #keyboardApp .keyboard-style-dialog { padding: 16px; }
    .keyboard-style-fields { grid-template-columns: minmax(0, 1fr) 104px; gap: 8px; }
    #keyboardApp #ListBox_Types_fonts { font-size: 11px; }
    .keyboard-color-controls { gap: 7px; }
}

.keyboard-composition { display: grid; grid-template-columns: 220px minmax(0, 1fr); align-items: center; gap: 10px; min-height: 58px; padding: 8px 12px; border-top: 1px solid var(--keyboard-border); border-bottom: 1px solid var(--keyboard-border); background: var(--keyboard-soft); }
.keyboard-composition-entry { display: flex; align-items: center; gap: 9px; min-width: 0; }
.keyboard-composition-entry > label { flex-shrink: 0; color: var(--keyboard-ink); font-size: 11px; font-weight: 600; }
.keyboard-composition-input { position: relative; flex: 1; min-width: 0; }
#keyboardApp #auxEditor { width: 100%; height: var(--keyboard-composition-field-height); min-width: 0; padding: 5px 30px 5px 9px; border: 1px solid var(--keyboard-border); border-radius: 6px; background: var(--keyboard-paper); color: var(--keyboard-accent); font-size: 21px; line-height: 1.2; }
#keyboardApp #auxEditor::placeholder { color: var(--keyboard-placeholder); opacity: 1; font-size: inherit; }
#keyboardApp #clear-composition { position: absolute; top: 1px; right: 1px; width: 30px; height: calc(var(--keyboard-composition-field-height) - 2px); padding: 0; border-radius: 5px; background: transparent; color: var(--keyboard-muted); font-size: 22px; }
.keyboard-candidate-bar { display: flex; align-items: center; gap: 4px; min-width: 0; height: 40px; }
.keyboard-candidates { display: flex; flex: 1; flex-wrap: nowrap; align-items: center; gap: 4px; min-width: 0; height: 40px; color: var(--keyboard-muted); font-size: 11px; }
.keyboard-candidates > span:not(.keyboard-candidate-page) { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#keyboardApp .keyboard-candidate { display: inline-flex; flex: 0 1 auto; align-items: center; gap: 4px; min-width: 38px; max-width: 140px; height: 38px; padding: 4px 6px; border: 1px solid var(--keyboard-border); border-radius: 6px; color: var(--keyboard-ink); background: var(--keyboard-paper); font-size: 22px; line-height: 1.2; }
#keyboardApp .keyboard-candidate:hover { background: var(--keyboard-hover); border-color: var(--keyboard-accent); }
.keyboard-candidate small { flex-shrink: 0; align-self: flex-start; color: var(--keyboard-muted); font-size: 10px; }
.keyboard-candidate .candidate-text { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.keyboard-candidate .candidate-hint { display: none; }
#keyboardApp .keyboard-candidate-nav { flex-shrink: 0; width: 24px; height: 36px; padding: 0; border-radius: 5px; color: var(--keyboard-ink); background: transparent; font-size: 22px; }
#keyboardApp .keyboard-candidate-nav:hover:not(:disabled) { background: var(--keyboard-hover); }
#keyboardApp .keyboard-candidate-nav:disabled { color: var(--keyboard-disabled-ink); opacity: .55; }
.keyboard-candidate-page { flex-shrink: 0; margin-left: auto; color: var(--keyboard-muted); font-size: 10px; white-space: nowrap; }
#keyboardApp .keyboard-candidate-expand { display: grid; place-items: center; flex: 0 0 28px; width: 28px; height: 34px; padding: 4px; border: 1px solid var(--keyboard-border); border-radius: 5px; color: var(--keyboard-muted); background: var(--keyboard-paper); }
#keyboardApp .keyboard-candidate-expand[hidden] { display: none; }
#keyboardApp .keyboard-candidate-expand:hover, #keyboardApp .keyboard-candidate-expand[aria-expanded="true"] { color: var(--keyboard-accent); background: var(--keyboard-hover); }
#keyboardApp .keyboard-candidate-expand[aria-expanded="true"] svg { transform: rotate(180deg); }

/* Full phrases float above the editor, outside the candidate row's layout. */
#keyboardApp .keyboard-candidate-picker { position: fixed; inset: auto; z-index: 100; box-sizing: border-box; width: min(420px, calc(100vw - 24px)); max-height: 320px; margin: 0; padding: 0; overflow-y: auto; border: 1px solid var(--keyboard-border); border-radius: 10px; color: var(--keyboard-ink); background: var(--keyboard-paper); box-shadow: 0 8px 28px #17233326; font-size: 12px; line-height: 1.4; }
#keyboardApp .keyboard-candidate-picker[hidden] { display: none; }
.keyboard-candidate-picker-header { position: sticky; top: 0; display: flex; align-items: center; justify-content: space-between; padding: 6px 8px 6px 12px; border-bottom: 1px solid var(--keyboard-border); background: var(--keyboard-toolbar); }
.keyboard-candidate-picker-header strong { font-weight: 600; }
#keyboardApp #candidate-picker-close { width: 28px; height: 28px; padding: 0; border-radius: 5px; color: var(--keyboard-muted); background: transparent; font-size: 22px; }
.keyboard-candidate-picker-list { padding: 4px; }
#keyboardApp .keyboard-candidate-picker-list .keyboard-candidate { display: flex; width: 100%; max-width: none; height: auto; min-height: 40px; gap: 9px; padding: 8px; border-color: transparent; border-radius: 5px; text-align: left; font-size: 21px; }
.keyboard-candidate-picker-list .candidate-text { flex: 1; overflow: visible; white-space: normal; overflow-wrap: anywhere; }
.keyboard-candidate-picker-list .candidate-hint { display: block; max-width: 35%; color: var(--keyboard-muted); font-size: 10px; overflow-wrap: anywhere; }
.keyboard-candidate-picker-footer { position: sticky; bottom: 0; display: flex; align-items: center; justify-content: space-between; padding: 4px 8px; border-top: 1px solid var(--keyboard-border); color: var(--keyboard-muted); background: var(--keyboard-toolbar); font-size: 11px; }
#keyboardApp .keyboard-candidate-picker-footer button { width: 30px; height: 28px; padding: 0; border-radius: 5px; color: var(--keyboard-ink); background: transparent; font-size: 22px; }
#keyboardApp :is(#candidate-picker-close, .keyboard-candidate-picker-footer button):hover:enabled { background: var(--keyboard-tray); }
#keyboardApp .keyboard-candidate-picker-footer button:disabled { opacity: .4; }

.keyboard-deck { padding: 10px 12px 12px; }
#keyboardApp .keyboard-learning { display: inline-flex; align-items: center; gap: 6px; color: var(--keyboard-muted); font-size: 11px; cursor: pointer; }
#keyboardApp .keyboard-learning input { width: 14px; height: 14px; margin: 0; accent-color: var(--keyboard-accent); }
.keyboard-learning-group { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; min-width: 0; }
.keyboard-learning { white-space: nowrap; }
#keyboardApp .keyboard-learning-legend { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 6px; color: var(--keyboard-muted); font-size: 10px; line-height: 1.4; }
#keyboardApp .keyboard-learning-legend[hidden] { display: none; }
.keyboard-learning-legend > span { display: inline-flex; align-items: center; gap: 3px; white-space: nowrap; }
#keyboardApp [data-learning-group="initial"] { --keyboard-learning-fill: var(--keyboard-learning-initial); }
#keyboardApp [data-learning-group="final"] { --keyboard-learning-fill: var(--keyboard-learning-final); }
#keyboardApp [data-learning-group="tone"] { --keyboard-learning-fill: var(--keyboard-learning-tone); }
.keyboard-learning-legend i { box-sizing: border-box; width: 8px; height: 8px; border: 1px solid var(--keyboard-key-edge); border-radius: 3px; background: var(--keyboard-learning-fill); }
.keyboard-board { display: flex; flex-direction: column; gap: 4px; width: 100%; user-select: none; }
.keyboard-board { width: 100%; max-width: var(--keyboard-board-width); margin-inline: auto; }
.keyboard-row { display: flex; gap: 4px; width: 100%; }
#keyboardApp .keyboard-key { position: relative; display: flex; flex: 1 1 0; align-items: center; justify-content: center; min-width: 0; min-height: 42px; padding: 11px 2px 3px; border: 1px solid var(--keyboard-key-edge); border-bottom: 3px solid var(--keyboard-key-base); border-radius: 6px; color: var(--keyboard-ink); background: var(--keyboard-key); font-size: 21px; line-height: 1; box-shadow: 0 1px 1px #2532460a; }
.keyboard-key .key-hint { position: absolute; top: 4px; left: 5px; color: var(--keyboard-muted); font-size: 8px; line-height: 1; }
#keyboardApp .keyboard-key.is-modifier { padding: 5px 2px; background: var(--keyboard-modifier); font-size: 10px; font-weight: 600; }
#keyboardApp .keyboard-key.key-wide { flex-grow: 1.7; }
#keyboardApp .keyboard-key.key-shift { flex-grow: 2; }
#keyboardApp .keyboard-key.key-space { flex-grow: 8; padding: 5px; font-size: 12px; }
#keyboardApp .keyboard-key.key-tone { color: var(--keyboard-accent); }
/* Keep disabled keys neutral and preserve the next-key practice highlight. */
#keyboardApp .keyboard-key[data-learning-group]:where(:not(:disabled):not(.zhuyin-practice-next)) { color: var(--keyboard-ink); background: var(--keyboard-learning-fill); }
#keyboardApp .keyboard-key:hover:not(:disabled), #keyboardApp .keyboard-key.is-pressed, #keyboardApp .keyboard-key.is-active { color: var(--keyboard-active-ink); background: var(--keyboard-hover); border-color: var(--keyboard-accent); }
#keyboardApp .keyboard-key:disabled { color: var(--keyboard-disabled-ink); background: var(--keyboard-disabled); border-color: var(--keyboard-border); box-shadow: none; opacity: 1; cursor: default; }
#keyboardApp .keyboard-key:disabled .key-hint { color: var(--keyboard-disabled-ink); }

.keyboard-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 12px; padding-top: 10px; }
.keyboard-search { display: flex; align-items: center; justify-content: flex-end; gap: 8px; margin-inline-start: auto; color: var(--keyboard-muted); font-size: 11px; }
#main #keyboardApp #searchEngine { --keyboard-select-height: 30px; max-width: 145px; padding: 4px 8px 4px 10px; }
#keyboardApp .keyboard-search .keyboard-action { min-height: 30px; padding: 4px 9px; font-size: 11px; }

/* Shared light/dark controls keep the same compact geometry. */
:root[data-appearance="dark"] #keyboardApp {
    --keyboard-accent: #ff8ba6;
    --keyboard-ink: #edf2f9;
    --keyboard-muted: #b9c7db;
    --keyboard-count-ink: #9aa7b9;
    --keyboard-placeholder: #acb4c0;
    --keyboard-border: #5a6d88;
    --keyboard-paper: #172333;
    --keyboard-tray: #101a29;
    --keyboard-toolbar: #1c2b40;
    --keyboard-key: #2c3d55;
    --keyboard-learning-final: #23483c;
    --keyboard-learning-tone: #51402c;
    --keyboard-key-edge: #6e829f;
    --keyboard-key-base: #788da9;
    --keyboard-modifier: #233349;
    --keyboard-disabled: #1a283b;
    --keyboard-disabled-ink: #8293ab;
    --keyboard-soft: #302431;
    --keyboard-hover: #4a2e40;
    --keyboard-focus: #ff8ba6;
    --keyboard-success: #9ce3b5;
    --keyboard-feedback-error: #ff9ca6;
    --keyboard-active-ink: #ffabc0;
    --control-border: #5a6d88;
    --control-border-hover: #9baec8;
    box-shadow: 0 10px 28px #0002;
}
:root[data-appearance="dark"] .keyboard-page .keyboard-intro > p { color: #b9c7db; }
:root[data-appearance="dark"] #keyboardApp .keyboard-action-primary { border-color: #de032d; background: #de032d; color: #fff; }
:root[data-appearance="dark"] #keyboardApp .keyboard-action-primary:hover { background: #b30225; }

@media (max-width: 900px) {
    .keyboard-editor-tools { gap: 6px; }
    .keyboard-format-bar { gap: 4px; }
    #keyboardApp .keyboard-action { padding-inline: 7px; font-size: 11px; }
}
@media (max-width: 760px) {
    .keyboard-page .keyboard-intro { width: calc(100% - 24px); padding: 10px 0 12px; }
    .keyboard-page .keyboard-intro #tool-title { font-size: 28px; }
    .keyboard-page .keyboard-intro > p { font-size: 13px; line-height: 1.45; }
    #keyboardApp { --keyboard-composition-field-height: 34px; width: calc(100% - 24px); padding: 10px; margin-bottom: 20px; border-radius: 12px; }
    .keyboard-method-bar { margin-bottom: 10px; }
    .keyboard-method-field { width: 100%; font-size: 11px; }
    .keyboard-method-field > label { flex-shrink: 0; }
    #main #keyboardApp #ListBox_Languages { flex: 1; width: auto; min-width: 0; max-width: 210px; }
    .keyboard-text-area { height: 150px; }
    #keyboardApp #preview { padding: 6px 9px; }
    .keyboard-editor-bottom { padding-inline: 9px; }
    #keyboardApp #preview::placeholder { font-size: 15px; }
    .keyboard-editor-tools { flex-wrap: wrap; gap: 4px; padding: 4px 6px; }
    .keyboard-format-bar { flex: 0 0 auto; width: auto; }
    .keyboard-editor-actions { width: auto; justify-content: flex-end; margin-inline-start: auto; }
    .keyboard-actions { gap: 4px; }
    #keyboardApp .keyboard-action { flex: 1 1 auto; min-height: 34px; padding: 5px 6px; gap: 4px; font-size: 10px; }
    #keyboardApp .keyboard-editor-buttons .keyboard-action, #keyboardApp .keyboard-history-buttons .keyboard-action { flex-basis: 34px; width: 34px; height: 34px; padding: 0; }
    #keyboardApp .keyboard-format-bar .keyboard-style-trigger { flex-basis: 34px; width: 34px; height: 34px; }
    #keyboardApp #clear_btn { width: 34px; height: 34px; }
    #keyboardApp .keyboard-action svg { width: 13px; height: 13px; }
    .keyboard-composition { grid-template-columns: minmax(0, 1fr); gap: 4px; min-height: 0; padding: 6px 8px; }
    .keyboard-composition-entry { grid-column: 1; grid-row: 1; gap: 8px; }
    .keyboard-composition-entry > label { font-size: 10px; }
    #keyboardApp #auxEditor { font-size: 20px; }
    .keyboard-candidate-bar { grid-column: 1 / -1; grid-row: 2; }
    .keyboard-candidates { font-size: 10px; }
    #keyboardApp .keyboard-candidate { min-width: 36px; height: 36px; padding: 4px; gap: 3px; font-size: 21px; }
    #keyboardApp .keyboard-candidate-nav { width: 22px; height: 34px; }
    .keyboard-candidate-page { font-size: 9px; }
    .keyboard-deck { padding: 8px 8px 10px; }
    #keyboardApp .keyboard-learning { font-size: 10px; }
    .keyboard-board, .keyboard-row { gap: 3px; }
    #keyboardApp .keyboard-key { min-height: 40px; padding-top: 11px; border-radius: 4px; border-bottom-width: 2px; font-size: 19px; }
    .keyboard-key .key-hint { top: 3px; left: 3px; font-size: 7px; }
    #keyboardApp .keyboard-key.is-modifier { font-size: 8px; }
    #keyboardApp .keyboard-key.key-wide { flex-grow: 1.4; }
    #keyboardApp .keyboard-key.key-shift { flex-grow: 1.6; }
    #keyboardApp .keyboard-key.key-space { font-size: 11px; }
    /* Physical control symbols stay legible; full translated names remain accessible. */
    #keyboardApp .keyboard-key:is([data-code="Tab"], [data-code="CapsLock"], [data-code="ShiftLeft"], [data-code="ShiftRight"], [data-code="Enter"]) .key-value { font-size: 0; }
    #keyboardApp .keyboard-key[data-code="Tab"] .key-value::after { content: "\21E5"; font-size: 17px; }
    #keyboardApp .keyboard-key[data-code="CapsLock"] .key-value::after { content: "\21EA"; font-size: 17px; }
    #keyboardApp .keyboard-key:is([data-code="ShiftLeft"], [data-code="ShiftRight"]) .key-value::after { content: "\21E7"; font-size: 17px; }
    #keyboardApp .keyboard-key[data-code="Enter"] .key-value::after { content: "\21B5"; font-size: 17px; }
    #keyboardApp .keyboard-key[data-code="Backspace"] .key-value { font-size: 0; }
    #keyboardApp .keyboard-key[data-code="Backspace"] .key-value::after { content: '⌫'; font-size: 17px; }
    .keyboard-footer { padding-top: 8px; }
    .keyboard-search { gap: 6px; font-size: 10px; }
    #main #keyboardApp #searchEngine { width: 115px; font-size: 11px; }
    #keyboardApp .keyboard-search .keyboard-action { flex: 0 0 auto; }
}

@media (max-width: 540px) {
    .keyboard-method-bar { display: flex; justify-content: center; }
    .keyboard-method-field { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px 10px; min-width: 0; }
    .keyboard-method-field > label { max-width: 100%; white-space: normal; }
    #main #keyboardApp #ListBox_Languages { flex: 1 1 160px; min-width: min(160px, 100%); }
}

/* Short laptop windows retain both input surfaces without tiny legends. */
@media (min-width: 761px) and (max-height: 760px) {
    .keyboard-page .keyboard-intro { padding: 10px 0; }
    .keyboard-page .keyboard-intro #tool-title { font-size: 30px; }
    .keyboard-page .keyboard-intro > p { font-size: 13px; }
    #keyboardApp { padding: 12px; --keyboard-board-width: 620px; --keyboard-frame-space: 48px; }
    .keyboard-text-area { height: 150px; }
    #keyboardApp .keyboard-key { min-height: 38px; }
    .keyboard-deck { padding: 8px 10px 10px; }
}
@media (min-width: 761px) and (max-height: 680px) {
    #keyboardApp { --keyboard-board-width: 590px; }
    .keyboard-page .keyboard-intro > p { display: none; }
    .keyboard-page .keyboard-intro #tool-title { font-size: 27px; }
    .keyboard-page .keyboard-intro { padding: 8px 0; }
    .keyboard-text-area { height: 120px; }
    #keyboardApp .keyboard-direction span { display: none; }
    #keyboardApp .keyboard-key { min-height: 36px; }
}

/* Editor-selected styles may synthesize missing CJK italic/bold faces. */
#keyboardApp #preview { font-synthesis: weight style; }
.keyboard-style-direction { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 18px; }
#keyboardApp .keyboard-style-direction > span { color: var(--keyboard-ink); font-size: 12px; font-weight: 600; }
#keyboardApp .keyboard-style-direction .keyboard-direction { min-height: 38px; padding: 8px 12px; border: 1px solid var(--keyboard-border); border-radius: 7px; color: var(--keyboard-ink); background: var(--keyboard-paper); font-size: 12px; }
#keyboardApp .keyboard-style-direction .keyboard-direction span { display: inline; }
/* Arabic chrome follows the page direction; typing and icon positions stay stable. */
#main #keyboardApp[dir="rtl"] { text-align: right; }
#keyboardApp[dir="rtl"] :is(.keyboard-style-dialog, .zhuyin-compose-dialog) { direction: rtl; text-align: right; }
#keyboardApp[dir="rtl"] :is(.keyboard-editor-tools, .keyboard-editor-bottom, .keyboard-composition, .keyboard-board, .keyboard-candidate-bar, .keyboard-candidate-picker-footer) { direction: ltr; }
#keyboardApp[dir="rtl"] :is(.keyboard-composition-entry > label, .keyboard-candidates > span:not(.keyboard-candidate-page), .keyboard-candidate-picker) { direction: rtl; text-align: right; }
#keyboardApp[dir="rtl"] :is(.keyboard-candidate-picker-list, .keyboard-method-native, #font-size, #text-color-value) { direction: ltr; }
#keyboardApp[dir="rtl"] .keyboard-key.is-modifier .key-value { font-family: Arial, sans-serif; }
#keyboardApp[dir="rtl"] .keyboard-key[data-code="AltRight"] .key-value { font-size: 9px; white-space: normal; }
#keyboardApp[dir="rtl"] .keyboard-composition { grid-template-columns: minmax(220px, 250px) minmax(0, 1fr); }
@media (max-width: 760px) {
    #keyboardApp[dir="rtl"] .keyboard-composition { grid-template-columns: minmax(0, 1fr); }
}