/* Espai de treball i components compartits. */
body{height:100vh;height:100dvh;display:grid;grid-template-rows:64px minmax(0,1fr) 38px;overflow:hidden}
.site-header.wrap,.site-footer.wrap{width:100%;max-width:none;margin:0;padding-inline:20px}
.site-header{height:64px;min-height:0;gap:18px;position:relative}
.brand{font-size:38px;letter-spacing:-2px;gap:8px;flex-shrink:0;line-height:1}
.site-header .brand>span{display:block;line-height:1;transform:translateY(-2px)}
.brand svg{width:27px;height:32px}
.header-caption{display:block;font:italic 17px var(--serif);letter-spacing:-.2px;line-height:1.2;max-width:none;margin:0;white-space:nowrap}
.site-header .bank-summary{position:absolute;left:50%;transform:translateX(-50%);gap:12px;white-space:nowrap;font-size:11px}
.site-header nav{gap:20px;margin-left:auto;flex-shrink:0}
.text-button{font-size:12px}
.app-main{min-height:0;min-width:0;width:100%;padding:12px 16px 10px;overflow:hidden}
.workspace{width:100%;height:100%;min-height:0;grid-template-columns:316px minmax(0,1fr) 286px;gap:14px;align-items:stretch}
.config,.selection{min-height:0;min-width:0;border-radius:9px}
.config{padding:16px;display:grid;grid-template-rows:minmax(0,1fr);overflow:hidden}
.config-scroll{min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable;margin-top:2px;padding-right:12px}
.config-actions{border-top:1px solid var(--line);margin-top:10px;padding-top:10px}
.config-actions .generate{margin-top:0}
.config-actions .generation-note{margin-bottom:0}
.section-kicker{font-size:10px;letter-spacing:1px;gap:7px}
.step{width:22px;height:22px;font-size:10px;flex-shrink:0}
.config fieldset{margin-top:15px}
.config legend{font-size:12px;margin-bottom:7px}
.segmented{padding:3px;border-radius:6px}
.segmented button{font-size:11px;padding:8px 2px;line-height:1.4}
.count-options{gap:5px}
.count-options button{height:32px;font-size:12px}
.config input:not([type=checkbox]),.config select{font-size:11px;padding:8px 9px}
.field-hint{font-size:10px;line-height:1.45;margin-top:5px}
.legend-row{margin-top:-3px;margin-bottom:7px}
.legend-row .field-hint{margin:0}
.tag-options{gap:5px}
.tag span{padding:6px 7px;font-size:10px;gap:4px}
.generate{margin-top:17px;min-height:38px;font-size:11px;padding:9px 10px}
.generation-note{font-size:9px;line-height:1.5;margin:7px 0 14px}
.personalize{padding-top:12px}
.personalize summary{font-size:11px}
.personalize label{margin-top:10px;margin-bottom:5px}
.local-note{margin-top:13px;padding-top:11px;font-size:9px}
.pseudo-note{margin-top:14px;padding:10px 11px}
.preview-column{min-width:0;min-height:0;display:grid;grid-template-rows:minmax(0,1fr) auto;gap:10px}
.preview-toolbar{margin:0;padding:0;min-height:24px;gap:10px}
.preview-toolbar p{font-size:10px;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.preview-toolbar>div{min-width:0}
.toggle{font-size:10px;white-space:nowrap;flex-shrink:0}
.paper-stage{min-height:0;min-width:0;display:grid;grid-template-rows:auto minmax(0,1fr);gap:8px;padding:10px 14px;border-radius:9px;overflow:hidden}
.paper-topline{margin:0;width:100%;font-size:8px;gap:10px;line-height:1.5;letter-spacing:.8px}
.paper-topline>span:first-child{font-weight:600}
.paper-viewport{position:relative;min-width:0;min-height:0;width:100%;height:100%;overflow:hidden;touch-action:none;user-select:none}
.paper{position:absolute;top:50%;left:50%;width:var(--preview-width,100%);height:var(--preview-height,auto);max-width:none;max-height:none;min-width:0;min-height:0;aspect-ratio:210/297;transform:translate(-50%,-50%) translate(var(--pan-x,0px),var(--pan-y,0px)) scale(var(--zoom,1));transform-origin:center}
.paper svg{display:block;width:100%;height:100%}
.paper-bottomline{margin:0;font-size:9px;line-height:1.4;gap:6px}
.export-bar{margin:0;justify-content:flex-end;flex-wrap:nowrap;gap:8px}
.export-bar .button{flex:0 1 auto;min-height:37px;font-size:11px;padding:8px 14px}
.export-hint{margin:0;text-align:right;font-size:9px;line-height:1.4}
.selection{margin:0;padding:15px 13px 12px;display:grid;grid-template-rows:auto minmax(0,1fr) auto;overflow:hidden}
.selection-heading{display:flex;align-items:center;gap:8px;margin:0 0 12px}
.selection-heading h2{display:flex;align-items:center;gap:7px;font:700 10px var(--sans);letter-spacing:1px;margin:0 0 9px}
.selection-heading p:not(.eyebrow){font-size:10px;line-height:1.5;margin:0 0 10px}
.selection-heading .button{flex:1;width:auto;font-size:11px;min-height:34px;padding:7px 9px}
.selected-words{min-height:0;display:grid;grid-template-columns:minmax(0,1fr);grid-auto-rows:min-content;align-content:start;gap:5px;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable;padding-right:10px}
.word-item{min-height:33px;gap:7px;padding:3px 5px 3px 8px}
.word-item .number{width:16px;font-size:9px}
.word-item .word{font-size:12px}
.word-item .icon-button{min-width:26px;min-height:26px}
.selection-footer{display:block;margin-top:10px;padding-top:9px;font-size:10px;line-height:1.5}
.selection-footer>span{display:block}
.selection-footer>div{gap:14px;margin-top:6px;flex-wrap:wrap}
.selection-footer .small-link{font-size:10px;min-height:26px;padding:3px 0}
.site-footer{height:38px;min-height:38px;gap:10px;font-size:11px;flex-wrap:nowrap}
.site-footer .footer-brand{display:none}
.site-footer p{margin:0;line-height:1.3;max-width:none}
.site-footer>span:last-child{width:auto;padding:0;margin-left:auto}
.help-dialog .fold-art{display:flex;max-width:450px;margin:25px auto 10px;padding:35px 5px 65px}
.help-dialog .art-paper{width:112px;height:174px}
.help-intro{font-family:var(--serif);font-size:16px!important;color:var(--green)!important}
.help-dialog .how-strip{gap:18px;padding-block:23px}
.help-dialog .how-strip>div{padding-left:25px}
.help-dialog .how-strip h3{font-size:22px}
.help-dialog .how-strip p{font-size:11px;line-height:1.6}
.help-dialog .fold-guide{margin-top:12px;font-size:12px}

/* Barres locals discretes: sense botons als extrems. */
*{scrollbar-width:thin;scrollbar-color:#a3b4a4 transparent}
@supports selector(::-webkit-scrollbar){
  *{scrollbar-width:auto;scrollbar-color:auto}
  ::-webkit-scrollbar{width:7px;height:7px}
  ::-webkit-scrollbar-track,::-webkit-scrollbar-corner{background:transparent}
  ::-webkit-scrollbar-thumb{background:#a3b4a4;border:1px solid transparent;background-clip:padding-box;border-radius:9px}
  ::-webkit-scrollbar-thumb:hover{background-color:#688578}
  ::-webkit-scrollbar-button{display:none;width:0;height:0}
}
.config fieldset:first-child{margin-top:0}
.config .practice-settings{padding:0 0 14px;border-bottom:1px solid var(--line)}
.setting-field{margin-top:12px}
.setting-field>label,.setting-label{display:block;font-size:11px;font-weight:600;margin-bottom:6px}
.setting-field .field-hint{font-size:9px}
.setting-field .segmented button{padding-block:7px}
.pool-status #pool-status{display:block;color:#8c5a32;margin-top:4px}
.pool-status #pool-status:empty{display:none}
.tag input:checked+span:before{content:none}
.tag span .lucide{display:none;width:10px;height:10px}
.tag input:checked+span .lucide{display:block}
.lucide{width:15px;height:15px;flex-shrink:0;vertical-align:middle}
[data-icon]{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.button,.text-button{gap:7px}
.text-button{display:inline-flex;align-items:center}
.text-button .lucide{width:14px;height:14px}
.word-item .icon-button .lucide{width:14px;height:14px}
.renew-selection{border:1px solid var(--line);height:34px;min-width:34px;flex-shrink:0}
.renew-selection .lucide{width:15px;height:15px}
.site-footer>span:last-child{display:flex;align-items:center;gap:7px;white-space:nowrap}
.footer-link{display:inline-flex;align-items:center;gap:5px;border:0;background:none;padding:3px 0;color:inherit;font:inherit;text-decoration:none}
.footer-link:hover{color:var(--green);text-decoration:underline;text-underline-offset:3px}
.footer-link .lucide{width:12px;height:12px}
.version-link{font-variant-numeric:tabular-nums}
.info-dialog{width:min(640px,calc(100% - 32px))}
.info-dialog p,.info-dialog li{font-size:12px;line-height:1.7;color:var(--muted)}
.info-dialog h3{font-family:var(--sans);font-size:14px;font-weight:600;letter-spacing:0}
.info-dialog a{color:var(--green);text-underline-offset:3px}
.about-dialog{width:min(780px,calc(100% - 32px))}
.release-dialog{width:min(650px,calc(100% - 32px))}
.about-dialog,.release-dialog{padding:24px;max-height:calc(100dvh - 32px);border-radius:9px}
.about-dialog[open],.release-dialog[open]{display:flex;flex-direction:column;overflow:hidden}
.about-dialog>.dialog-head,.release-dialog>.dialog-head{flex-shrink:0;align-items:flex-start;margin-bottom:18px}
.info-dialog .dialog-head h2{font-size:25px;line-height:1.25;margin:0}
.info-dialog .dialog-head>.icon-button{flex-shrink:0;width:28px;height:28px}
.info-dialog .dialog-head>.icon-button .lucide{width:18px;height:18px}
.dialog-scroll{min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable;padding:2px 9px 2px 2px}
.dialog-scroll:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;border-radius:2px}
html:has(.info-dialog[open]),body:has(.info-dialog[open]){overflow:hidden}
.about-intro{display:flow-root}
.about-intro-copy>p{margin:0 0 12px;line-height:1.8}
.lightning-qr{float:right;display:block;width:128px;height:128px;margin:0 0 8px 24px;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:white}
.lightning-qr img{display:block;width:100%;height:100%}
.lightning-details{display:flow-root;min-width:0;padding-top:2px}
.info-dialog .lightning-label{font-size:10px;margin:0 0 5px}
.lightning-address{display:flex;align-items:center;gap:5px;min-width:0}
#lightning-address{font-size:12px;line-height:1.65;overflow-wrap:anywhere;user-select:text}
.lightning-address .icon-button{flex-shrink:0;width:28px;height:30px;padding:5px}
.lightning-address .lucide{width:16px;height:16px}
.lightning-address .copied{color:var(--green)}
.info-dialog .copy-status{font-size:10px;color:var(--green);margin:3px 0 0}
.copy-status:empty{display:none}
.about-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;border-top:1px solid var(--line);margin-top:18px;padding-top:18px}
.about-grid .project-resources{min-width:0}
.about-grid .project-resources:first-child{padding-right:24px;border-right:1px solid var(--line)}
.info-dialog .project-resources h3{font-size:11px;margin:15px 0 6px}
.info-dialog .project-resources h3:first-child{margin-top:0}
.info-dialog .project-resources p,.project-resources>a{font-size:11px;line-height:1.7;margin:0 0 7px}
.project-resources a{display:inline-flex;align-items:center;gap:4px}
.project-resources .lucide{width:12px;height:12px}
.author-note{display:flow-root}
.author-portrait{float:left;width:128px;height:128px;object-fit:cover;border:1px solid var(--line);border-radius:6px;margin:0 16px 8px 0}
.release-heading{display:flex;align-items:baseline;gap:18px;flex:1;min-width:0}
.release-changelog{display:inline-flex;align-items:center;gap:3px;font-size:11px;line-height:1.5;margin-left:auto;white-space:nowrap;text-underline-offset:3px}
.release-changelog .lucide{width:12px;height:12px}
.release+.release{border-top:1px solid var(--line);padding-top:14px;margin-top:14px}
.release>div{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:5px}
.release h3{font-size:12px;margin:0}
.release:first-child h3{color:var(--accent)}
.release time{color:var(--muted);font-size:10px;text-align:right}
.release p{margin:0;font-size:12px;line-height:1.7}

@media(max-width:640px){
  .about-dialog,.release-dialog{padding:20px}
  .about-grid{grid-template-columns:minmax(0,1fr);gap:18px}
  .about-grid .project-resources:first-child{padding:0;border:0}
  .about-grid .project-resources+.project-resources{border-top:1px solid var(--line);padding-top:18px}
  .lightning-qr{width:112px;height:112px;margin-left:18px}
  .author-portrait{width:112px;height:112px}
  .release-heading{display:grid;gap:7px}
  .release-changelog{margin-left:0;justify-self:start}
  .info-dialog .dialog-head h2{font-size:22px}
}

@media(min-width:1700px){
  .workspace{grid-template-columns:330px minmax(0,1fr) 306px;gap:18px}
  .app-main{padding-inline:20px}
}
@media(min-width:1000px) and (max-width:1199px){
  .workspace{grid-template-columns:278px minmax(0,1fr) 248px;gap:10px}
  .app-main{padding-inline:10px}
  .config{padding:13px}
  .selection{padding-inline:10px}
  .header-caption{font-size:14px}
  .site-header{gap:12px}
  .site-header .bank-summary{font-size:10px;left:54%}
}
@media(max-width:999px){
  body{height:auto;min-height:100vh;min-height:100dvh;display:block;overflow:auto}
  .site-header{height:64px;display:flex;flex-wrap:wrap}
  .site-header .bank-summary{position:static;transform:none;margin-left:auto;font-size:10px}
  .site-header nav{gap:14px}
  .header-caption{font-size:15px}
  .app-main{overflow:visible;padding:12px}
  .workspace{height:auto;grid-template-columns:290px minmax(0,1fr);gap:12px;align-items:start}
  .config{display:block;overflow:visible;scrollbar-gutter:auto}
  .config-scroll{overflow:visible;scrollbar-gutter:auto;padding-right:0}
  .preview-column{height:calc(100svh - 110px);min-height:450px;position:sticky;top:12px}
  .selection{grid-column:1/-1;min-height:220px;max-height:520px}
  .selected-words{grid-template-columns:repeat(3,minmax(0,1fr))}
  .selection-heading{display:flex;align-items:center;justify-content:space-between;gap:15px}
  .selection-heading p:not(.eyebrow){margin:0}
  .selection-heading .button{width:auto}
  .selection-footer{display:flex;justify-content:space-between;gap:15px}
  .selection-footer>div{margin:0}
  .site-footer{padding-block:8px;min-height:32px;height:auto}
}
@media(max-width:760px){
  .site-header{height:auto;min-height:84px;padding-block:10px!important;gap:8px 13px}
  .brand{font-size:34px}
  .brand svg{width:24px;height:29px}
  .header-caption{display:block;font-size:14px;white-space:normal;max-width:180px}
  .site-header .bank-summary{order:3;margin:0;flex:1;font-size:9px;gap:9px}
  .site-header nav{order:4;margin-left:auto;gap:14px}
  .text-button{font-size:10px}
  .workspace{grid-template-columns:minmax(0,1fr);gap:16px}
  .config{max-height:none;padding:16px}
  .preview-column{position:static;height:calc(100svh - 100px);min-height:450px;max-height:850px}
  .selection{grid-column:auto;max-height:650px}
  .selected-words{grid-template-columns:repeat(2,minmax(0,1fr))}
  .selection-heading{display:flex;flex-wrap:nowrap;gap:8px}
  .selection-heading .button{width:auto;margin-top:0}
  .word-item{gap:4px}
  .word-item .word{font-size:11px}
  .selection-footer{display:block}
  .selection-footer>div{margin-top:6px}
  .export-bar .button{flex:1;padding-inline:8px;font-size:11px}
  .export-hint{text-align:center}
  .help-dialog .fold-art{transform:rotate(-4deg);margin-block:22px}
  .help-dialog .art-paper{width:88px;height:158px;padding-inline:9px}
  .help-dialog .art-paper b,.help-dialog .art-paper>span{font-size:13px}
  .help-dialog .art-paper small{font-size:6px}
  .help-dialog .how-strip{grid-template-columns:1fr}
}
/* Controls curts: els focus són la part principal del lateral. */
.config .quick-settings{display:grid;gap:11px;padding-bottom:17px;border-bottom:1px solid var(--line)}
.config .quick-settings fieldset{margin:0;padding:0;border:0}
.config .mode-setting legend{margin:0}
.quick-settings .segmented button{font-size:12px;padding:7px 3px;min-height:32px}
.quick-settings .setting-row{display:grid;grid-template-columns:100px minmax(0,1fr);gap:8px;align-items:center}
.setting-row>label,.config .model-setting legend,.count-setting{font-size:12px;font-weight:600}
.config .quick-settings select{width:100%;min-width:0;min-height:34px;font-size:12px;padding:7px 8px}
.paired-settings{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:end}
.config .model-setting legend{margin-bottom:6px}
.model-setting .segmented{padding:2px}
.model-setting .segmented button{height:34px;min-height:34px;padding:3px}
.model-setting .lucide{width:23px;height:23px}
.count-setting{display:grid;gap:6px;min-width:0}
.config .count-setting select{height:40px;font-size:13px}
.focus-settings{margin-top:16px}
.focus-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
.focus-heading h2{font:600 13px var(--sans);letter-spacing:0;margin:0}
.focus-heading .small-link{font-size:12px;padding:0}
.focus-settings .tag-options{gap:7px}
.focus-settings .tag span{font-size:11px;padding:8px 9px}
.focus-settings .field-hint{margin-top:12px;font-size:11px}
.dialog-scroll{padding-right:16px}
.catalog-list{padding-right:10px}
.zoom-tools{position:absolute;right:10px;bottom:10px;z-index:2;display:flex;align-items:center;gap:3px;padding:4px;background:#fffffff2;border:1px solid var(--line);border-radius:7px;box-shadow:0 3px 14px #233a3314;cursor:default}
.zoom-tools .icon-button{width:32px;height:32px;padding:6px}
.zoom-tools .lucide{width:18px;height:18px}
.zoom-tools output{font-size:11px;color:var(--muted);min-width:44px;text-align:center;font-variant-numeric:tabular-nums}
.zoom-divider{height:19px;border-left:1px solid var(--line);margin-inline:3px}
.paper-viewport.can-pan{cursor:grab}
.paper-viewport.is-panning{cursor:grabbing}
.paper-viewport:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;border-radius:3px}
#teacher-pdf{display:inline-flex;align-items:center;gap:5px;font-size:inherit;text-decoration:underline;text-underline-offset:3px}
@media(max-width:760px){
  .site-footer{height:auto;min-height:44px;flex-wrap:wrap;gap:4px 12px;padding-block:8px}
  .site-footer>span:last-child{margin-left:auto}
  .config-scroll{padding-right:0}
}

/* Durada única per a totes les animacions i transicions del web. */
:root{--motion-duration:220ms;--motion-ease:cubic-bezier(.2,.7,.2,1)}
button,a,input,select,textarea,summary,.tag span,.word-item,.card{
  transition-property:background-color,color,border-color,box-shadow,opacity,transform;
  transition-duration:var(--motion-duration);transition-timing-function:var(--motion-ease);
}
.paper{transition:transform var(--motion-duration) var(--motion-ease),width var(--motion-duration) var(--motion-ease),height var(--motion-duration) var(--motion-ease)}
.toast{transition:opacity var(--motion-duration) var(--motion-ease),transform var(--motion-duration) var(--motion-ease)}
.paper>svg,.selected-words>.word-item,.catalog-entry{animation:content-in var(--motion-duration) var(--motion-ease) both}
dialog[open]{animation:dialog-in var(--motion-duration) var(--motion-ease) both}
dialog[open]::backdrop{animation:veil-in var(--motion-duration) var(--motion-ease) both}
dialog.is-closing{animation:dialog-out var(--motion-duration) var(--motion-ease) both}
dialog.is-closing::backdrop{animation:veil-out var(--motion-duration) var(--motion-ease) both}
@keyframes content-in{from{opacity:.25;transform:translateY(3px)}to{opacity:1;transform:translateY(0)}}
@keyframes dialog-in{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes dialog-out{from{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(8px) scale(.98)}}
@keyframes veil-in{from{opacity:0}to{opacity:1}}
@keyframes veil-out{from{opacity:1}to{opacity:0}}

.catalog-review{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 20px;margin:10px 0 16px;padding:12px 14px;background:var(--paper,#f5f2e9);border:1px solid var(--line,#d8ded8);border-radius:12px;font-size:.85rem;color:var(--muted,#65736a)}
.catalog-review>div{display:flex;align-items:center;flex-wrap:wrap;gap:10px 18px}
.catalog-review .small-link{display:inline-flex;align-items:center;gap:6px}
@media print{
  *{animation:none!important;transition:none!important}
  body{display:block;height:auto;overflow:visible;background:white}
  .app-main{display:block;padding:0;overflow:visible}
  .workspace,.preview-column,.paper-stage,.paper-viewport{display:contents;height:auto;overflow:visible}
  .paper{position:static;transform:none!important;width:210mm!important;height:297mm!important;max-width:none;max-height:none;box-shadow:none}
  .paper svg{width:210mm;height:297mm}
  .zoom-tools{display:none!important}
  .sr-only{display:none!important}
}