/* The i2Type workspace styles are shared verbatim; IPA-specific adaptations follow. */
/* 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: #0084ad;
    --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: #e6f7fd;
    --keyboard-composition-field-height: 36px;
    --keyboard-hover: #d1f1fc;
    --keyboard-focus: #0084ad;
    --keyboard-success: #17683a;
    --keyboard-feedback-error: #c52237;
    --keyboard-active-ink: #006788;
    --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: 16px minmax(0, 1fr) auto 12px; column-gap: 10px; }
    #main #keyboardApp #ListBox_Languages .keyboard-method-name { grid-column: 2; grid-row: 1; min-width: 0; }
    #main #keyboardApp #ListBox_Languages .keyboard-method-native { grid-column: 3; grid-row: 1; 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 .keyboard-language-flag { grid-column: 1; grid-row: 1; align-self: center; }
    #main #keyboardApp #ListBox_Languages option::checkmark { grid-column: 4; grid-row: 1; 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: 280px; min-height: max(180px, var(--keyboard-text-height, 0px)); 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; }
/* Keep native scrolling as a fallback until automatic sizing is active. */
#keyboardApp .keyboard-text-area.is-auto-growing #preview { overflow: hidden; }
#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: #0084ad; background: #0084ad; 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: #0084ad; background: #0084ad; 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: 240px; }
    #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: 240px; }
    #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: 220px; }
    #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); }
}

/* Compact reference styling; the original shortcuts and dialog flow are unchanged. */
#keyboardApp .ipa-rules-dialog { width:min(620px,calc(100vw - 32px)); max-height:calc(100dvh - 32px); overflow:hidden; padding:18px; border-radius:14px; font-size:12px; line-height:1.6; scrollbar-width:thin; }
#keyboardApp .ipa-rules-dialog[open] { display:flex; flex-direction:column; }
#keyboardApp .ipa-rules-body { flex:1 1 auto; min-height:0; overflow-y:auto; overscroll-behavior:contain; scrollbar-width:thin; scrollbar-gutter:stable; padding-inline-end:4px; }
#keyboardApp .ipa-rules-dialog .keyboard-style-header { flex:0 0 auto; align-items:center; gap:10px; padding-bottom:4px; }
#keyboardApp .ipa-rules-dialog .keyboard-style-header h2 { font-size:17px; font-weight:650; line-height:1.4; }
#keyboardApp #ipa-rules-help { margin:6px 0 12px; color:var(--keyboard-muted); font-size:12px; line-height:1.6; }

#keyboardApp .ipa-rules-steps { display:grid; gap:4px; counter-reset:ipa-step; margin:0 0 10px; padding:0; list-style:none; font-size:12px; line-height:1.65; }
#keyboardApp .ipa-rules-steps li { position:relative; counter-increment:ipa-step; padding:6px 0; padding-inline-start:30px; border:0; background:transparent; }
#keyboardApp .ipa-rules-steps li::before { position:absolute; inset-inline-start:0; top:6px; display:grid; place-items:center; width:20px; height:20px; border-radius:50%; background:#E198C9; color:#291A28; content:counter(ipa-step); font-size:10px; font-weight:700; line-height:1; }
#keyboardApp .ipa-rules-steps b[dir="ltr"] { font-family:'Doulos SIL',serif; font-size:17px; font-weight:400; line-height:1; }
#keyboardApp .ipa-rules-dialog kbd { display:inline-block; min-width:22px; padding:1px 5px; border:1px solid color-mix(in srgb,var(--accent) 15%,var(--keyboard-border)); border-radius:5px; background:var(--keyboard-paper); color:var(--keyboard-ink); font:500 11px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace; text-align:center; white-space:nowrap; }
#keyboardApp .ipa-rules-note { margin:0 0 12px; padding:7px 10px; border-inline-start:2px solid #E198C9; border-radius:0 6px 6px 0; background:color-mix(in srgb,var(--accent) 5%,var(--keyboard-paper)); color:var(--keyboard-muted); font-size:11px; line-height:1.65; }

#keyboardApp .ipa-rules-table-wrap { --ipa-rule-line:color-mix(in srgb,var(--keyboard-ink) 10%,var(--keyboard-paper)); overflow:hidden; border:1px solid var(--ipa-rule-line); border-radius:10px; background:var(--keyboard-paper); }
#keyboardApp .ipa-rules-table-wrap:focus-visible { outline:2px solid var(--accent-readable); outline-offset:2px; }
#keyboardApp .ipa-rules-table { width:100%; border-collapse:separate; border-spacing:0; text-align:start; font-size:12px; }
#keyboardApp .ipa-rules-table :is(th,td) { padding:5px 12px; border:0; border-bottom:1px solid var(--ipa-rule-line); text-align:start; vertical-align:middle; }
#keyboardApp .ipa-rules-table thead th { padding-block:9px; background:color-mix(in srgb,var(--accent) 7%,var(--keyboard-paper)); color:var(--accent-readable); font-size:11px; font-weight:650; letter-spacing:.015em; }
#keyboardApp .ipa-rules-table tbody th { width:72px; font-weight:500; }
#keyboardApp .ipa-rules-table tbody th kbd { display:inline-flex; align-items:center; justify-content:center; min-width:30px; min-height:25px; padding:2px 6px; border:0; border-radius:6px; background:var(--accent-soft); color:var(--accent-readable); font-size:11px; font-weight:600; box-shadow:none; }
#keyboardApp .ipa-rules-table tbody tr:nth-child(even) > :is(th,td) { background:color-mix(in srgb,var(--keyboard-toolbar) 22%,var(--keyboard-paper)); }
#keyboardApp .ipa-rules-table tbody tr:hover > :is(th,td) { background:color-mix(in srgb,var(--accent) 5%,var(--keyboard-paper)); }
#keyboardApp .ipa-rules-table tr:last-child :is(th,td) { border-bottom:0; }
#keyboardApp .ipa-rule-symbols { display:flex; flex-wrap:wrap; align-items:center; gap:2px 8px; }
#keyboardApp .ipa-rule-symbols span { display:inline-flex; align-items:center; justify-content:center; min-width:24px; min-height:29px; color:var(--keyboard-ink); font:400 22px/1.3 'Doulos SIL',serif; text-align:center; }

#keyboardApp .ipa-rules-dialog .keyboard-style-footer { flex:0 0 auto; justify-content:flex-end; gap:8px; margin-top:10px; padding-top:10px; border-top-color:color-mix(in srgb,var(--keyboard-ink) 10%,var(--keyboard-paper)); background:var(--keyboard-paper); }
#keyboardApp #ipa-rules-done { min-height:34px; padding:6px 14px; border-color:#E198C9; background:#E198C9; color:#291A28; font-size:12px; }
#keyboardApp #ipa-rules-done:hover { border-color:var(--accent-readable); }
#keyboardApp #ipa-rules-close { display:grid; place-items:center; flex:0 0 30px; width:30px; height:30px; padding:0; border:0; border-radius:6px; color:var(--keyboard-muted); background:transparent; font-size:23px; line-height:1; }
#keyboardApp #ipa-rules-close:hover { background:var(--accent-soft); color:var(--keyboard-ink); }
#keyboardApp :is(#ipa-rules-close,#ipa-rules-done):focus-visible { outline:2px solid var(--accent-readable); outline-offset:2px; }

@media(max-width:540px) {
 #keyboardApp .ipa-rules-dialog { width:calc(100vw - 24px); max-height:calc(100dvh - 24px); padding:14px; }
 #keyboardApp .ipa-rules-steps li { padding-inline-end:8px; }
 #keyboardApp .ipa-rules-table :is(th,td) { padding:5px 8px; }
 #keyboardApp .ipa-rules-table tbody th { width:60px; }
 #keyboardApp .ipa-rule-symbols { gap:2px 5px; }
}

/* i2PDF tooltip geometry, colors and type; accent comes from the i2Speak theme. */
.keyboard-tooltip {
    position: fixed;
    inset: auto;
    margin: 0;
    z-index: 10000;
    box-sizing: border-box;
    width: max-content;
    max-width: min(290px, calc(100vw - 16px));
    padding: 8px 11px;
    border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--line));
    border-radius: 10px;
    background: var(--surface);
    color: var(--ink);
    box-shadow: 0 8px 26px #15253b24;
    font: 500 11px/1.45 var(--font-body);
    text-align: start;
    overflow-wrap: anywhere;
    overflow: visible;
    pointer-events: none;
}
.keyboard-tooltip::after {
    content: '';
    position: absolute;
    left: var(--tooltip-arrow-x, 50%);
    width: 8px;
    height: 8px;
    border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--line));
    background: var(--surface);
    transform: translateX(-50%) rotate(45deg);
}
.keyboard-tooltip[data-placement='above']::after { bottom: -5px; border-top: 0; border-left: 0; }
.keyboard-tooltip[data-placement='below']::after { top: -5px; border-bottom: 0; border-right: 0; }
.keyboard-tooltip-content { display:block; max-height:var(--tooltip-available-height, calc(100dvh - 34px)); overflow:hidden; }
.keyboard-tooltip[hidden] { display:none; }

.keyboard-tooltip-example { color:var(--ipa-example-accent, var(--accent-readable)); font-weight:650; }

/* Conventional IPA chart geometry; data and insertion stay in keyboard.js. */
#keyboardApp .ipa-table-scroll,
#keyboardApp .vowel-scroll { min-width:0; max-width:100%; overflow-x:auto; overscroll-behavior-x:contain; scrollbar-width:thin; border:1px solid color-mix(in srgb,var(--accent) 20%,var(--keyboard-border)); border-radius:12px; background:var(--keyboard-paper); }
#keyboardApp :is(.ipa-table-scroll,.vowel-scroll):focus-visible { outline:2px solid var(--accent-readable); outline-offset:3px; }

/* Each place is a pair of generous, independently operable symbol targets. */
#keyboardApp .ipa-table { width:100%; min-width:1116px; border-spacing:0; border-collapse:separate; table-layout:fixed; color:var(--keyboard-ink); }
#keyboardApp .ipa-table .ipa-manner-column col { width:126px; }
#keyboardApp .ipa-table .ipa-place-columns col { width:45px; }
#keyboardApp .ipa-table th { box-sizing:border-box; padding:12px 4px; border-right:1px solid var(--keyboard-border); border-bottom:1px solid var(--keyboard-border); color:var(--keyboard-muted); background:var(--keyboard-toolbar); font:600 11px/1.4 var(--font-body); text-align:center; }
#keyboardApp .ipa-table th[scope="row"],
#keyboardApp .ipa-table .ipa-table-corner { position:sticky; left:0; z-index:2; padding:9px 12px; background:var(--keyboard-toolbar); text-align:start; box-shadow:4px 0 8px -6px color-mix(in srgb,var(--keyboard-ink) 35%,transparent); }
#keyboardApp .ipa-table .ipa-table-corner { z-index:3; }
#keyboardApp .ipa-table th[scope="row"] { color:var(--keyboard-ink); font-weight:550; }
#keyboardApp .ipa-table td { height:48px; padding:1px 0; border:0; border-bottom:1px solid var(--keyboard-border); background:var(--keyboard-paper); vertical-align:middle; }
#keyboardApp .ipa-table td.ipa-pair-end { border-right:1px solid var(--keyboard-border); }
#keyboardApp .ipa-table tr:nth-child(even) td[data-state="empty"] { background:color-mix(in srgb,var(--keyboard-toolbar) 30%,var(--keyboard-paper)); }
#keyboardApp .ipa-table td[data-state="shaded"] { background-color:color-mix(in srgb,var(--keyboard-muted) 14%,var(--keyboard-paper)); background-image:repeating-linear-gradient(135deg,transparent 0,transparent 4px,color-mix(in srgb,var(--keyboard-muted) 9%,transparent) 4px,color-mix(in srgb,var(--keyboard-muted) 9%,transparent) 5px); }
/* Standard IPA groups the coronal places except in the fricative row. */
#keyboardApp .ipa-table tr.ipa-coronal-span td.ipa-pair-end:is([data-place="Dental"],[data-place="Alveolar"]) { border-right-color:transparent; }
#keyboardApp .ipa-table tr:last-child :is(th,td) { border-bottom:0; }
#keyboardApp .ipa-table tr :is(th,td):last-child { border-right:0; }
#keyboardApp .ipa-table .chart-symbol { box-sizing:border-box; width:44px; min-width:44px; height:44px; min-height:44px; margin:0 auto; padding:2px; border:1px solid transparent; border-radius:7px; background:transparent; }
#keyboardApp .ipa-table .chart-symbol > span { font-size:24px; line-height:1.15; }
#keyboardApp .ipa-table .chart-symbol:hover,
#keyboardApp .ipa-table .chart-symbol:focus-visible { z-index:1; border-color:var(--accent-readable); background:var(--accent-soft); }
#keyboardApp .chart-note { max-width:600px; margin:0 auto; padding:0 4px; color:var(--keyboard-muted); font:400 11px/1.65 var(--font-body); text-align:center; text-wrap:pretty; }

/* Front and central guides slope to their conventional open-vowel positions. */
#keyboardApp .vowel-scroll { background:color-mix(in srgb,var(--accent) 2%,var(--keyboard-paper)); }
#keyboardApp .vowel-diagram { position:relative; box-sizing:border-box; width:100%; min-width:640px; height:450px; margin:0 auto; overflow:hidden; }
#keyboardApp .vowel-diagram > svg { position:absolute; inset:0; width:100%; height:100%; overflow:visible; pointer-events:none; }
#keyboardApp .vowel-boundary { fill:color-mix(in srgb,var(--accent) 3%,var(--keyboard-paper)); stroke:color-mix(in srgb,var(--accent-readable) 40%,var(--keyboard-border)); stroke-width:1.6; stroke-linejoin:round; vector-effect:non-scaling-stroke; }
#keyboardApp .vowel-guide { fill:none; stroke:color-mix(in srgb,var(--accent-readable) 28%,var(--keyboard-border)); stroke-width:1.2; vector-effect:non-scaling-stroke; }
#keyboardApp .vowel-axis { position:absolute; display:block; z-index:1; color:var(--keyboard-muted); font:500 11px/1.4 var(--font-body); white-space:nowrap; }
#keyboardApp .vowel-backness { transform:translateX(-50%); color:var(--keyboard-ink); font-size:12px; font-weight:600; }
#keyboardApp .vowel-height { transform:translateY(-50%); padding:3px 0; background:color-mix(in srgb,var(--accent) 2%,var(--keyboard-paper)); }
#keyboardApp .vowel-node { position:absolute; display:flex; align-items:center; justify-content:space-between; width:98px; height:46px; transform:translate(-50%,-50%); }
#keyboardApp .vowel-node.is-single { width:44px; }
#keyboardApp .vowel-point { position:absolute; z-index:1; top:50%; left:50%; width:4px; height:4px; border-radius:50%; background:var(--accent-readable); transform:translate(-50%,-50%); pointer-events:none; }
#keyboardApp .vowel-diagram .chart-symbol { position:relative; flex:0 0 44px; box-sizing:border-box; width:44px; min-width:44px; height:44px; min-height:44px; padding:2px; border:1px solid transparent; border-radius:8px; background:color-mix(in srgb,var(--accent) 2%,var(--keyboard-paper)); }
#keyboardApp .vowel-diagram .chart-symbol > span { font-size:28px; line-height:1.15; }
#keyboardApp .vowel-node.is-pair .chart-symbol[data-rounding="unrounded"] { order:0; }
#keyboardApp .vowel-node.is-pair .chart-symbol[data-rounding="rounded"] { order:1; }
#keyboardApp .vowel-diagram .chart-symbol:hover,
#keyboardApp .vowel-diagram .chart-symbol:focus-visible { z-index:2; border-color:var(--accent-readable); background:var(--accent-soft); }
/* The central schwa remains a clear accent landmark in either appearance. */
#keyboardApp .vowel-diagram .chart-symbol.is-schwa { border-color:#E198C9; border-radius:50%; background:#E198C9; color:#291A28; transition:background-color .15s,border-color .15s,box-shadow .15s,transform .15s; }
#keyboardApp .vowel-diagram .chart-symbol.is-schwa:is(:hover,:focus-visible) { border-color:var(--accent-readable); background:color-mix(in srgb,#E198C9 86%,#8E3F6F); box-shadow:0 3px 10px #E198C955; transform:translateY(-1px); }
#keyboardApp .vowel-diagram .chart-symbol.is-schwa:active { background:color-mix(in srgb,#E198C9 78%,#8E3F6F); box-shadow:inset 0 1px 3px #291A2826; transform:translateY(0); }
@media(prefers-reduced-motion:reduce) { #keyboardApp .vowel-diagram .chart-symbol.is-schwa { transition:none; } }
@media(max-width:760px) {
 #keyboardApp .ipa-table { min-width:1102px; }
 #keyboardApp .ipa-table .ipa-manner-column col { width:112px; }
 #keyboardApp .ipa-table th[scope="row"], #keyboardApp .ipa-table .ipa-table-corner { padding-inline:9px; }
}
@media(forced-colors:active) {
 #keyboardApp .ipa-table td[data-state="shaded"] { background:Canvas; background-image:repeating-linear-gradient(135deg,transparent 0,transparent 4px,GrayText 4px,GrayText 5px); }
 #keyboardApp .vowel-boundary, #keyboardApp .vowel-guide { stroke:CanvasText; }
 #keyboardApp .vowel-point { background:CanvasText; }
}

/* Context-specific translated axes can wrap within the existing IPA diagram gutters. */
#keyboardApp .vowel-height { max-width:104px; white-space:normal; }
#keyboardApp .vowel-backness { max-width:160px; white-space:normal; text-align:center; }

#keyboardApp .diphthong-country-heading{display:flex;align-items:center;gap:8px;min-height:20px}
.diphthong-country-flag{display:inline-block;flex:0 0 26px;width:26px;height:14px;overflow:hidden;border-radius:2px;background-position:center;background-size:100% 100%;background-repeat:no-repeat;box-shadow:0 0 0 1px #17233316}
.diphthong-country-flag--gb{background-image:url("./artwork-interface-flags-gb.4352a22047d0.svg")}
.diphthong-country-flag--us{background-image:url("./artwork-interface-flags-us.59148d8aa1f7.svg")}

@font-face { font-family:'Doulos SIL'; src:url("./fonts-DoulosSIL-R.6f8995f48e01.ttf") format('truetype'); font-style:normal; font-weight:400; font-display:swap; }
#keyboardApp, :root[data-appearance="dark"] #keyboardApp { --keyboard-accent:var(--accent-readable); --keyboard-soft:var(--accent-soft); --keyboard-hover:var(--accent-soft); --keyboard-focus:var(--accent-readable); --keyboard-active-ink:var(--accent-readable); }
#main #keyboardApp #layout-select { --keyboard-select-height:36px; grid-column:2; width:210px; font-weight:600; color:var(--accent-readable); }
#keyboardApp .editor-surface { position:relative; }
#keyboardApp #typing { display:block; width:100%; max-width:100%; min-height:250px; margin:0; padding:12px 14px; border:0; border-radius:0; color:var(--keyboard-ink); background:var(--keyboard-paper); font-family:'Doulos SIL',serif; font-size:32px; line-height:1.5; text-align:left; resize:vertical; overflow:auto; }
#keyboardApp #typing::placeholder { color:var(--keyboard-placeholder); opacity:1; font-family:var(--font-body); font-size:17px; }
#keyboardApp #character-count { min-width:0; font-size:11px; color:var(--keyboard-count-ink); white-space:nowrap; }
#keyboardApp .keyboard-action-primary, #keyboardApp .keyboard-action-primary:hover, #keyboardApp #text-style-done, #keyboardApp #text-style-done:hover { background:var(--accent); border-color:var(--accent); color:var(--accent-ink); }
#keyboardApp .keyboard-action[aria-pressed="true"] { color:var(--accent-readable); border-color:var(--accent-readable); background:var(--accent-soft); }
#keyboardApp .key-symbol { font-family:'Doulos SIL',serif; }
#keyboardApp .is-modifier .key-value { font-family:var(--font-body); }
#keyboardApp .keyboard-key.is-active { background:var(--accent-soft); color:var(--accent-readable); border-color:var(--accent-readable); }
#keyboardApp .typing-hint { display:flex; flex-wrap:wrap; align-items:center; justify-content:center; gap:4px 14px; padding:9px 12px; border-top:1px solid var(--keyboard-border); border-bottom:1px solid var(--keyboard-border); background:var(--keyboard-soft); color:var(--keyboard-muted); font-size:11px; line-height:1.7; }
#keyboardApp .typing-hint b { font-family:'Doulos SIL',serif; font-size:16px; color:var(--keyboard-ink); }
#keyboardApp kbd { display:inline-block; min-width:16px; padding:0 3px; border:1px solid var(--keyboard-border); border-radius:3px; background:var(--keyboard-paper); color:var(--keyboard-ink); font:11px/1.5 var(--font-body); text-align:center; }
#keyboardApp .editor-status { min-height:18px; margin:7px 0 -5px; text-align:center; color:var(--keyboard-muted); font-size:11px; }
/* Keep the reference footer spacing when there is no action feedback. */
#keyboardApp .editor-status:empty { min-height:0; margin:0; }
#keyboardApp .keyboard-style-field #font-family { width:100%; min-width:0; height:38px; padding:6px 8px; border:1px solid var(--keyboard-border); border-radius:7px; color:var(--keyboard-ink); background:var(--keyboard-paper); font-size:12px; appearance:auto; }
#keyboardApp .keyboard-style-toggles { grid-template-columns:repeat(4,minmax(0,1fr)); }
#keyboardApp .keyboard-style-toggles button[aria-pressed="true"] { color:var(--accent-readable); }
.candidate-popup { position:fixed; inset:auto; margin:0; z-index:10000; box-sizing:border-box; width:max-content; min-width:190px; max-width:calc(100vw - 24px); max-height:230px; overflow:auto; padding:8px; border:1px solid var(--accent-readable); border-radius:10px; background:var(--surface); color:var(--ink); box-shadow:0 10px 32px #20212826; }
.candidate-popup::backdrop { background:transparent; }
.candidate-heading { display:flex; align-items:center; justify-content:space-between; gap:20px; padding:2px 4px 7px; border-bottom:1px solid var(--line); font-size:11px; color:var(--muted); }
.candidate-heading strong { color:var(--accent-readable); }
.candidate-heading small { font-size:10px; }
#candidate-list { display:flex; flex-wrap:wrap; gap:4px; padding-top:7px; max-width:360px; }
#candidate-list .candidate-option { display:flex; align-items:center; justify-content:center; gap:5px; min-width:43px; min-height:43px; padding:5px 9px; border:1px solid transparent; border-radius:6px; background:var(--canvas); font-family:'Doulos SIL',serif; font-size:25px; line-height:1.2; color:var(--ink); }
#candidate-list .candidate-option[aria-selected="true"], #candidate-list .candidate-option:hover { background:var(--accent); border-color:var(--accent); color:var(--accent-ink); }
#candidate-list .candidate-option small { align-self:flex-end; padding-bottom:3px; font:9px var(--font-body); color:inherit; opacity:.75; }
/* Legacy chart page links keep a compact button treatment below the editor. */
#keyboardApp .keyboard-panel-tabs { display:flex; flex-wrap:wrap; align-items:center; gap:6px; margin:0; padding:10px 12px; border-top:1px solid var(--keyboard-border); border-bottom:1px solid var(--keyboard-border); background:var(--keyboard-toolbar); scroll-margin-top:88px; }
#keyboardApp .keyboard-panel-tabs .keyboard-panel-link { display:inline-flex; align-items:center; justify-content:center; flex:0 0 auto; gap:7px; min-height:36px; padding:7px 11px; border:1px solid var(--keyboard-border); border-radius:7px; background:var(--keyboard-paper); color:var(--keyboard-ink); font:500 12px/1.5 var(--font-body); text-align:center; text-decoration:none; white-space:nowrap; }
#keyboardApp .keyboard-panel-tabs .keyboard-panel-link .icon { width:16px; height:16px; }
#keyboardApp .keyboard-panel-tabs .keyboard-panel-link:hover { border-color:var(--accent); background:var(--accent-soft); }
#keyboardApp .keyboard-panel-tabs .keyboard-panel-link[aria-current="page"] { border-color:var(--accent); background:var(--accent); color:var(--accent-ink); }
#keyboardApp .keyboard-panel-tabs .keyboard-panel-link:focus-visible { outline:2px solid var(--accent-readable); outline-offset:2px; }
#keyboardApp :is(.keyboard-input-panel,.keyboard-chart-panel) { min-width:0; }
#keyboardApp .keyboard-chart-panel { background:var(--keyboard-paper); }
#keyboardApp .keyboard-chart-heading { padding:16px 16px 0; }
#keyboardApp .keyboard-chart-heading h2 { margin:0 0 4px; color:var(--keyboard-ink); font-size:17px; font-weight:650; line-height:1.5; letter-spacing:0; }
#keyboardApp .keyboard-chart-heading p { margin:0; color:var(--keyboard-muted); font-size:12px; line-height:1.6; }
#keyboardApp #chart-symbols { min-width:0; padding:16px; border:0; border-radius:0; background:var(--keyboard-paper); }
/* Symbol groups use compact cards; IPA tables and vowel positions stay intact. */
#keyboardApp #chart-symbols { display:grid; gap:14px; align-content:start; }
#keyboardApp .symbol-group { min-width:0; margin:0; padding:12px; border:1px solid color-mix(in srgb,var(--accent) 12%,var(--line)); border-radius:12px; background:color-mix(in srgb,var(--accent) 2%,var(--keyboard-paper)); }
#keyboardApp .symbol-group h3 { margin:0 0 10px; color:var(--keyboard-muted); font-size:12px; font-weight:650; line-height:1.5; letter-spacing:.02em; }
#keyboardApp .symbol-grid { display:grid; grid-template-columns:repeat(auto-fill,48px); justify-content:start; gap:8px; }
#keyboardApp .chart-symbol { display:flex; flex-direction:column; align-items:center; justify-content:center; gap:3px; min-width:0; min-height:48px; padding:5px; border:1px solid color-mix(in srgb,var(--accent) 12%,var(--line)); border-radius:8px; background:var(--keyboard-paper); color:var(--keyboard-ink); box-shadow:none; transition:border-color .15s,background-color .15s; }
#keyboardApp .symbol-grid .chart-symbol { width:48px; }
#keyboardApp .chart-symbol > span { font:24px/1.2 'Doulos SIL',serif; }
#keyboardApp .chart-symbol:hover { border-color:var(--accent); background:var(--accent-soft); }
#keyboardApp .chart-symbol:focus-visible { outline:2px solid var(--accent-readable); outline-offset:2px; border-color:var(--accent); background:var(--accent-soft); }
#keyboardApp .chart-symbol:active { border-color:var(--accent); background:color-mix(in srgb,var(--accent) 18%,var(--keyboard-paper)); }
#keyboardApp #chart-symbols:is([data-chart="non-pulmonic-consonants"],[data-chart="tones"]) { grid-template-columns:repeat(auto-fit,minmax(min(100%,270px),1fr)); align-items:start; }

/* Pronunciation examples need more room than the symbol-only buttons. */
:root { --ipa-example-accent:#B21B77; }
:root[data-appearance="dark"] { --ipa-example-accent:#FF9BDA; }
#keyboardApp .symbol-grid.is-diphthongs { grid-template-columns:repeat(auto-fill,minmax(96px,1fr)); }
#keyboardApp .symbol-grid.is-diphthongs .chart-symbol { width:auto; min-height:72px; gap:5px; padding:9px 6px; }
#keyboardApp .symbol-grid.is-diphthongs .chart-symbol > span { font-size:24px; }
#keyboardApp .symbol-grid.is-diphthongs small { color:var(--keyboard-muted); font:400 12px/1.45 var(--font-body); overflow-wrap:anywhere; }
#keyboardApp .symbol-grid.is-diphthongs small strong { color:var(--ipa-example-accent); font-weight:750; }

.export-dialog { width:min(660px,calc(100% - 28px)); max-height:calc(100dvh - 40px); overflow:auto; padding:26px; border:1px solid var(--line); border-radius:16px; background:var(--surface); color:var(--ink); box-shadow:0 24px 100px #09183344; }
.export-dialog::backdrop { background:#101a2966; }
.export-dialog h2 { margin:0 0 10px; font-size:22px; }
.export-dialog p { font-size:14px; color:var(--muted); }
.export-dialog textarea { display:block; width:100%; min-height:200px; margin:18px 0; padding:15px; resize:vertical; border:1px solid var(--line); border-radius:10px; font:13px/1.7 monospace; background:var(--canvas); color:var(--ink); }
.export-dialog>button { margin-right:8px; }
@media(max-width:760px) {
 #main #keyboardApp #layout-select { width:185px; min-width:0; }
 #keyboardApp .keyboard-method-bar { grid-template-columns:minmax(0,1fr) 185px minmax(0,1fr); }
 #keyboardApp #typing { min-height:240px; }
 #keyboardApp .keyboard-panel-tabs { flex-wrap:nowrap; justify-content:flex-start; gap:6px; max-width:100%; overflow-x:auto; overscroll-behavior-x:contain; padding:9px; scrollbar-width:thin; }
 #keyboardApp .keyboard-panel-tabs .keyboard-panel-link { min-height:38px; padding:8px 10px; font-size:12px; }
 #keyboardApp .keyboard-chart-heading { padding:14px 12px 0; }
 #keyboardApp #chart-symbols { padding:12px; }
}
@media(max-width:380px) {
 #keyboardApp .keyboard-method-bar { grid-template-columns:auto minmax(0,1fr); }
 #main #keyboardApp #layout-select { width:100%; }
 #keyboardApp .keyboard-editor-buttons .keyboard-action { width:29px; flex-basis:29px; }
}

:root[data-appearance="dark"] #keyboardApp .keyboard-action-primary,
:root[data-appearance="dark"] #keyboardApp .keyboard-action-primary:hover { border-color:var(--accent); background:var(--accent); color:var(--accent-ink); }

/* The IPA face ships regular only; requested bold/italic may be synthesized. */
#keyboardApp #typing { font-synthesis:weight style; }

@media(prefers-reduced-motion:reduce) { #keyboardApp .chart-symbol { transition:none; } }

/* Keep the HTML action accent-filled while reusing i2PDF's success feedback. */
#html-dialog .copy-button[data-copy-feedback] { height:auto; min-height:47px; padding:12px 22px; border-color:var(--accent); border-radius:11px; background:var(--accent); color:var(--accent-ink); }
#html-dialog .copy-button[data-copy-feedback]:hover:enabled { border-color:var(--accent-hover); background:var(--accent-hover); color:var(--accent-ink); }
#html-dialog .copy-button[data-copy-feedback] .copy-button-icons .icon { color:inherit; }