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var(--border);border-radius:8px;padding:20px;width:min(960px,95vw);color:inherit}dialog::backdrop{background:#182a25b8}.dialog-header{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:15px}dialog video{display:block;width:100%;max-height:75vh;background:#f8faf9}#rendered-video{width:100%;aspect-ratio:16/9;display:block}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.player:fullscreen{display:flex;flex-direction:column;justify-content:center;background:#f8faf9;border-radius:0}.player:fullscreen .writing-stage{max-height:85vh;flex:1}.player:fullscreen .player-controls{max-height:90px}.player:fullscreen .stage-caption{font-size:24px}
@media(min-width:1550px){.app-shell{grid-template-columns:280px 1fr}.letter-sidebar{padding:36px 28px}.main-workspace{padding:38px 44px}.workspace-columns{grid-template-columns:minmax(0,1fr) 300px;gap:38px}.settings-panel{padding-left:30px}.stage-caption{font-size:19px}.stage-heading{font-size:18px}.stage-meta{font-size:13px}.settings-panel select,.settings-panel input[type=text],.number-field,.toggle-row{font-size:13px}.settings-panel .field-label,legend,.settings-title h2{font-size:13px}.lesson-steps>span{font-size:13px}.letter-button{height:50px}}
@media(max-width:1150px){.app-shell{grid-template-columns:210px 1fr}.letter-sidebar{padding:28px 16px}.main-workspace{padding:27px 23px}.workspace-columns{grid-template-columns:minmax(0,1fr)}.settings-panel{border-left:0;border-top:1px solid var(--border);padding:25px 0 0;margin-top:8px}.settings-panel form{display:grid;grid-template-columns:1fr 1fr;gap:20px}.settings-panel fieldset{margin:0}.settings-panel fieldset:nth-child(3){grid-column:1}.generate-button{grid-column:2;align-self:end;margin-bottom:20px}.settings-title{margin-bottom:20px}.export-note{justify-content:flex-end}.brand-subtitle,.brand-divider{display:none}.alphabet{gap:7px}.letter-button{height:40px}.letter-button svg{height:34px}.small-count{display:none}}
@media(max-width:700px){.app-header{height:69px;padding:0 16px;gap:10px}.brand{font-size:21px;gap:7px}.brand-mark{width:27px;height:29px}.brand-mark svg{width:20px}.nav-button{padding:9px;font-size:12px;gap:6px}.nav-button svg{width:16px}nav{gap:2px}.count{display:none}.app-shell{display:flex;flex-direction:column}.letter-sidebar{border-right:0;border-bottom:1px solid var(--border);padding:20px 18px 16px;display:grid;grid-template-columns:1fr 1fr;gap:10px 17px}.sidebar-heading{grid-column:1/-1;margin:0 0 3px}.small-count{display:block}.segmented{margin:0}.letter-sidebar>.field-label{display:none}.letter-sidebar>select{align-self:stretch}.alphabet{grid-column:1/-1;grid-template-columns:repeat(9,minmax(0,1fr));gap:7px;margin:5px 0 0}.letter-button{height:36px}.letter-button svg{height:31px}.full-alphabet{grid-column:1/-1;border:0;margin:0;padding:6px 0 0;justify-content:flex-end;font-size:11px}.sidebar-bottom{display:none}.main-workspace{padding:24px 18px 30px}.workspace-heading{margin-bottom:20px}.workspace-heading .eyebrow{font-size:10px;margin-bottom:7px}h1{font-size:26px}.lesson-navigation{font-size:11px;gap:7px}.lesson-navigation .icon-button{width:28px;height:28px}.workspace-columns{gap:22px}.stage-heading{font-size:11px}.stage-meta{font-size:10px}.stage-caption{font-size:11px;line-height:1.3;bottom:4%;left:5%;right:5%}.playback-time{font-size:10px}.play-button{font-size:11px;min-width:111px;padding:10px 9px}.player-controls{padding:10px 10px 8px}.playback-row{gap:5px}.playback-row .icon-button{width:28px;height:28px}.practice-countdown strong{font-size:20px}.practice-countdown span{font-size:9px}.lesson-steps{padding:17px 0 22px;gap:7px}.lesson-steps>span{font-size:10px;gap:5px}.lesson-steps>span>span{width:17px;height:17px;font-size:9px}.section-heading h2{font-size:14px}.section-heading>div{gap:7px}.sequence-section{padding-top:19px}.settings-panel form{gap:22px 16px}.settings-panel select,.settings-panel input[type=text]{font-size:12px}.toggle-row{font-size:12px}.settings-title h2{font-size:16px}.settings-panel fieldset{min-width:0}.number-field{font-size:11px}.number-field input{width:42px}.number-field>div{gap:4px}.number-field>div>span{width:22px;font-size:10px}.brand-subtitle{display:none}.app-footer{padding:0 18px}.library-view{padding:24px 18px}.library-heading{align-items:flex-start}.secondary-button{font-size:11px;padding:8px}.library-list{grid-template-columns:1fr}.encouragement strong{font-size:28px}.encouragement span{font-size:12px}}
@media(max-width:370px){.nav-button{font-size:0;gap:0;padding:10px}.nav-button svg{width:20px}.alphabet{grid-template-columns:repeat(7,minmax(0,1fr))}.settings-panel form{grid-template-columns:1fr}.settings-panel fieldset:nth-child(3),.generate-button{grid-column:1}.number-field{font-size:13px}.lesson-steps>span{font-size:9px}.playback-time{display:none}}
.field-label,.text-action,.section-heading>div>span,.lesson-navigation,.settings-panel .field-label,.number-field,.toggle-row,legend,.settings-panel select,.settings-panel input[type=text],.generate-button,.sequence-input-row input{font-size:14px}.eyebrow,.small-count,.stage-meta,.export-note,.provider-status,.playback-time,.sidebar-bottom p,.formation-notes summary,.app-footer{font-size:12px}.number-field input{font-size:14px;width:54px}.number-field>div>span{font-size:12px}.sidebar-bottom strong{font-size:14px}.settings-title h2,.section-heading h2{font-size:16px}.play-button{font-size:14px;min-width:140px}.lesson-steps>span{font-size:12px}.stage-caption{font-size:16px}.letter-sidebar{background:#fdfdfc}.settings-panel legend{color:#5b5846}.sequence-section .section-heading>div>span{font-size:12px}.formation-notes{font-size:14px}.job-status p,.result-link{font-size:13px}.settings-panel form input::placeholder{font-size:12px}.provider-status{line-height:1.5}
@media(max-width:700px){.stage-caption{font-size:12px}.stage-heading{font-size:12px}.stage-meta,.eyebrow{font-size:10px}.field-label,.text-action,.settings-panel .field-label,.number-field,.toggle-row,legend,.settings-panel select,.settings-panel input[type=text],.generate-button,.sequence-input-row input{font-size:13px}.play-button{font-size:12px;min-width:119px}.playback-time{font-size:10px}.lesson-steps>span{font-size:10px}.lesson-navigation{font-size:12px}.number-field input{width:46px;font-size:13px}.number-field>div>span{font-size:11px}.number-field>div{gap:4px}.section-heading>div{display:block}.section-heading>div>span{display:inline-block;margin-top:5px}.full-alphabet{font-size:12px}.app-footer{font-size:10px}.provider-status{font-size:12px}}
.fixed-voice{display:flex;gap:10px;align-items:center;color:var(--green)}.fixed-voice>svg{width:24px;height:24px}.fixed-voice>div{display:flex;flex-direction:column;gap:4px}.fixed-voice strong{font-size:14px;font-weight:600}.fixed-voice span{font-size:12px;color:var(--muted)}.preview-status-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;min-height:24px;font-size:12px;color:var(--muted)}.preview-status-row .text-action{font-size:12px}.playback-only .workspace-columns{grid-template-columns:minmax(0,1fr);max-width:1100px}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.settings-panel form{display:block}.settings-panel fieldset{margin:0;padding:0;border:0}.number-field>strong{font-size:14px;font-weight:500;color:var(--green)}.app-footer a{text-decoration:none;font-weight:600}.preview-status-row{min-height:32px}.formation-notes{margin-top:0}.video-card-info>p{margin-bottom:0}
@media(max-width:1150px){.settings-panel{max-width:440px;width:100%}.settings-panel .number-field{font-size:14px}.settings-panel .toggle-row{font-size:14px}}