/* Stickwise decks: library, deck page, editor, import and study. Uses the studio tokens from design.css. */
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.deck-ic{width:18px;height:18px;flex:none}
.btn .deck-ic{margin-right:2px}
.deck-msg{background:var(--lilac);color:var(--ink);border-radius:12px;padding:12px 16px;font-size:14px;margin:0 0 18px}
.deck-seg{display:inline-flex;align-items:center;gap:6px;min-height:38px;padding:7px 13px;border:1px solid var(--line);border-radius:999px;background:var(--paper);font-size:13px;font-weight:600;color:var(--mut)}
.deck-seg span{font-weight:500;color:var(--dim)}
.deck-seg.on{background:var(--ink);border-color:var(--ink);color:#fff}.deck-seg.on span{color:#cfd0d8}
.deck-side-label{display:inline-flex;align-items:center;font-size:11px;font-weight:650;letter-spacing:.08em;text-transform:uppercase;color:var(--mut)}
.deck-chip{display:inline-flex;margin-top:8px;font-size:11px;font-weight:600;padding:4px 9px;border-radius:7px;background:var(--card2);color:var(--mut)}

/* Library */
.deck-page-title{align-items:flex-end}
.deck-title-actions{display:flex;gap:10px;flex-wrap:wrap}
.deck-toolbar-lib{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:-8px 0 22px}
.deck-search{position:relative;flex:1 1 260px;margin:0;max-width:420px}
.deck-search .deck-ic{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--mut)}
.deck-search input{width:100%;min-height:44px;padding:10px 14px 10px 42px;border:1px solid #cfd2db;border-radius:999px;background:var(--paper)}
.deck-segs{display:flex;gap:6px;flex-wrap:wrap}
.deck-sort{display:flex;align-items:center;gap:8px;margin:0 0 0 auto;font-size:13px}
.deck-sort span{color:var(--mut)}
.deck-sort select{min-height:40px;width:auto;padding:8px 12px;border-radius:999px}
.deck-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:18px}
.deck-tile{display:flex;flex-direction:column;gap:16px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:20px;transition:border-color .18s,box-shadow .18s}
.deck-tile:hover,.deck-tile:focus-within{border-color:#c9c6f6;box-shadow:0 10px 30px #2526370d}
.deck-tile-icon{display:grid;place-items:center;width:56px;height:56px;border-radius:16px;font-size:27px}
.deck-c0{background:var(--blue)}.deck-c1{background:var(--lime)}.deck-c2{background:#e7e0ff}.deck-c3{background:#ffdcca}
.deck-tile-body{flex:1;min-width:0}
.deck-tile h3{font-size:21px;letter-spacing:-.04em;margin:0 0 8px;font-weight:500}
.deck-tile-open{background:none;border:0;padding:0;text-align:left;font:inherit;color:inherit;line-height:1.2;overflow-wrap:anywhere}
.deck-tile-open:hover{color:var(--blue)}
.deck-tile-open::after{content:'';position:absolute;inset:0}
.deck-tile{position:relative}
.deck-tile-actions,.deck-tile-actions button{position:relative;z-index:1}
.deck-tile-meta{font-size:13px;color:var(--ink);margin-bottom:6px}
.deck-tile-sub{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--mut)}
.deck-tile-sub .deck-ic{width:14px;height:14px}
.deck-tile-sub span{margin-left:auto}
.deck-tile-drafts{margin-top:8px;font-size:12px;font-weight:600;color:#73551a}
.deck-tile-actions{display:flex;gap:8px}
.deck-tile-actions .btn{flex:1;white-space:nowrap}
.deck-empty-search{color:var(--mut);padding:30px 0}
.deck-discover{display:flex;align-items:center;gap:16px;margin-top:28px;padding:18px 22px;border:1px dashed #cfd2db;border-radius:18px}
.deck-discover>span{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--lilac);color:var(--blue);flex:none}
.deck-discover p{flex:1;font-size:14px}.deck-discover b{color:var(--ink)}
.deck-empty{display:grid;grid-template-columns:220px 1fr;gap:40px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:28px;padding:44px}
.deck-empty h2{font-size:34px;font-weight:500;margin-bottom:12px}
.deck-empty ol{margin:20px 0 4px;padding-left:20px;color:var(--mut);line-height:1.9}.deck-empty li b{color:var(--ink)}
.deck-empty-art{position:relative;height:190px}
.deck-empty-art span{position:absolute;display:grid;place-items:center;width:132px;height:160px;border-radius:22px;font:500 64px var(--display)}
.deck-empty-art span:first-child{left:6px;top:14px;background:var(--lilac);color:var(--blue);transform:rotate(-8deg)}
.deck-empty-art span:last-child{left:70px;top:22px;background:var(--blue);color:var(--lime);transform:rotate(6deg);box-shadow:0 18px 40px #4540eb33}
.deck-empty-small{display:block;padding:34px}

/* Deck page */
.deck-crumbs{margin:-6px 0 14px}.deck-crumbs .btn{gap:8px;padding-left:0}
.deck-hero{display:grid;grid-template-columns:auto 1fr auto;gap:26px;align-items:start;background:var(--paper);border:1px solid var(--line);border-radius:28px;padding:30px;margin-bottom:22px}
.deck-hero-icon{display:grid;place-items:center;width:84px;height:84px;border-radius:24px;background:var(--lilac);font-size:40px}
.deck-hero-text{min-width:0}
.deck-hero-text .eyebrow{font-size:11px;color:var(--mut);letter-spacing:.11em}
.deck-hero h1{font-size:clamp(30px,3vw,42px);font-weight:500;margin:10px 0;overflow-wrap:anywhere;outline:none}
.deck-hero-text>p{font-size:15px;max-width:620px}
.deck-hero-meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:16px;font-size:13px;color:var(--mut)}
.deck-hero-meta span{display:inline-flex;align-items:center;gap:6px}.deck-hero-meta .deck-ic{width:15px;height:15px}
.deck-hero-actions{display:flex;flex-direction:column;gap:10px;min-width:210px}
.deck-hero-actions .btn,.deck-more summary{justify-content:flex-start;width:100%}
.deck-more{position:relative}
.deck-more summary{list-style:none;cursor:pointer}
.deck-more summary::-webkit-details-marker{display:none}
.deck-more-menu{position:absolute;right:0;top:calc(100% + 8px);z-index:25;width:290px;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:8px;box-shadow:0 20px 50px #25263726}
.deck-more-menu button{display:flex;align-items:flex-start;gap:12px;width:100%;padding:11px 12px;border:0;border-radius:11px;background:none;text-align:left}
.deck-more-menu button:hover:not(:disabled){background:var(--canvas)}
.deck-more-menu b{display:block;font-size:14px;font-weight:600}.deck-more-menu small{display:block;font-size:12px;color:var(--mut)}
.deck-more-menu .danger{color:var(--red)}.deck-more-menu .danger small{color:#9b5a5d}
.deck-note{display:flex;align-items:center;gap:14px;background:#fcf1d7;color:#5c4415;border-radius:16px;padding:14px 18px;margin-bottom:20px}
.deck-note p{flex:1;color:inherit;font-size:14px}
.deck-peek{max-width:760px;margin:6px auto 34px;text-align:center}
.deck-peek-card{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;min-height:260px;padding:38px 34px 26px;border-radius:26px;background:var(--paper);border:1px solid #d9dde5;box-shadow:5px 6px 0 #e5e6ed,9px 11px 0 #cdd0dd}
.deck-peek-card.is-back{background:#f4f2ff;border-color:#d6d0fb}
.deck-peek-card .deck-side-label{position:absolute;top:18px;left:22px}
.deck-peek-text{font:500 clamp(22px,2.4vw,30px)/1.3 var(--display);letter-spacing:-.03em;color:var(--ink);overflow-wrap:anywhere;max-width:100%}
.deck-peek-text .question-image{margin:14px auto 0}
.deck-peek-nav{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:22px;font-size:13px;color:var(--mut)}
.deck-peek-nav .btn{width:44px;padding:0}
.deck-peek-note{font-size:12px;margin-top:10px}
.deck-cards-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:14px}
.deck-cards-head h2,.deck-editor-tools h2{font-size:24px;font-weight:500}
.deck-cards-head h2 span,.deck-editor-tools h2 span{font:500 15px var(--font);color:var(--mut);margin-left:6px;letter-spacing:0}
.deck-order{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--mut)}.deck-order>span{margin-right:4px}
.deck-card-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.deck-card-item{display:grid;grid-template-columns:1fr 1fr auto;gap:22px;align-items:start;background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:16px 18px}
.deck-card-side{min-width:0}.deck-card-side+.deck-card-side{border-left:1px solid var(--line);padding-left:22px}
.deck-card-side p{color:var(--ink);font-size:15px;line-height:1.5;margin-top:4px;white-space:pre-line;overflow-wrap:anywhere}
.deck-card-side i{color:var(--mut)}
.deck-thumb{display:block;width:96px;height:72px;object-fit:contain;margin-top:10px;border:1px solid var(--line);border-radius:10px;background:#fff}
.deck-card-edit{align-self:center}

/* Editor */
.deck-editor{max-width:1080px}
.deck-editor-bar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:-20px -6px 22px;padding:14px 6px;background:var(--canvas);border-bottom:1px solid var(--line)}
.deck-editor-name{flex:1;min-width:160px;display:flex;flex-direction:column}
.deck-editor-name .eyebrow{font-size:10px;color:var(--mut);letter-spacing:.11em}
.deck-editor-name b{font:500 20px/1.2 var(--display);letter-spacing:-.03em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.deck-save-holder{display:flex;align-items:center;gap:8px}
.deck-editor-actions{display:flex;gap:8px}
.deck-save{display:grid;grid-template-columns:auto 1fr;column-gap:8px;align-items:center;max-width:300px;padding:7px 14px;border-radius:14px;background:var(--paper);border:1px solid var(--line);font-size:13px}
.deck-save i{width:9px;height:9px;border-radius:50%;background:#9a9ca5;grid-row:span 2}
.deck-save b{font-weight:600}.deck-save small{grid-column:2;font-size:11px;color:var(--mut);line-height:1.35}
.deck-save.is-saving i{background:var(--blue);animation:deck-pulse 1s ease-in-out infinite}
.deck-save.is-local i{background:var(--blue)}.deck-save.is-synced i{background:var(--green)}
.deck-save.is-warn{background:#fff8e8;border-color:#ecdfc1}.deck-save.is-warn i{background:#c48a14}
.deck-save.is-error{background:#fdefed;border-color:#f1d7d3;color:var(--red)}.deck-save.is-error i{background:var(--red)}
@keyframes deck-pulse{50%{opacity:.35}}
.deck-details{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-bottom:26px;display:grid;gap:16px}
.deck-title-row{display:flex;gap:14px;align-items:flex-end}
.deck-emoji{flex:none;display:grid;place-items:center;width:60px;height:60px;border-radius:18px;border:1px solid #d9d2f4;background:var(--lilac);font-size:28px}
.deck-emoji:hover{border-color:var(--blue)}
.deck-field{display:flex;flex-direction:column;min-width:0;margin:0}
.deck-field label,.deck-face label,.deck-import label,.deck-img-fields label{display:flex;align-items:baseline;gap:8px;margin:0 0 7px;font-size:12px;font-weight:650;letter-spacing:.04em;color:var(--mut)}
.deck-field small,.deck-face label small{font-size:11px;font-weight:500;letter-spacing:0;color:var(--dim)}
.deck-title-field{flex:1}
.deck-title-field input{font:500 24px/1.2 var(--display)!important;letter-spacing:-.03em;min-height:60px}
.deck-editor input:not([type]),.deck-editor input[type=search],.deck-editor select,.deck-editor textarea{width:100%;min-height:46px;padding:11px 14px;border:1px solid #cfd2db;border-radius:12px;background:var(--paper);color:var(--ink);font:inherit;font-size:16px}
.deck-editor textarea{resize:vertical;line-height:1.45}
.deck-editor input:focus,.deck-editor textarea:focus,.deck-editor select:focus{border-color:var(--blue);outline:3px solid #4540eb33;outline-offset:0}
.deck-emoji-grid{display:flex;flex-wrap:wrap;gap:6px}
.deck-emoji-grid button{width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--paper);font-size:22px}
.deck-emoji-grid button[aria-pressed=true]{border-color:var(--blue);background:var(--lilac)}
.deck-meta-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(0,1.2fr);gap:14px;align-items:end}
.deck-meta-row .deck-field:nth-child(2):last-child{grid-column:span 2}
.deck-privacy{display:flex;gap:10px;align-items:flex-start;padding:11px 14px;border-radius:12px;background:var(--canvas);font-size:13px;min-height:46px}
.deck-privacy .deck-ic{color:var(--blue);margin-top:2px}.deck-privacy p{font-size:12.5px;line-height:1.45}.deck-privacy b{color:var(--ink);margin-right:4px}
.deck-course-note{font-size:12.5px}
.deck-editor-tools{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:14px}
.deck-editor-tools>div:first-child{display:flex;align-items:baseline;gap:14px}
.deck-draft-count{font-size:13px;font-weight:600;color:#73551a}
.deck-tool-buttons{display:flex;gap:8px;flex-wrap:wrap}
.deck-tool-buttons .btn[aria-pressed=true],.deck-tool-buttons .btn[aria-expanded=true]{background:var(--lilac);border-color:#c9c4f5;color:var(--blue)}
.deck-rows{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.deck-row{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:16px 20px 20px;transition:border-color .18s}
.deck-row:focus-within{border-color:#b9b5f2;box-shadow:0 8px 26px #4540eb12}
.deck-row.is-draft{border-style:dashed;border-color:#c3c6d0}
.deck-row.has-problem{border-color:#e2c27a;border-style:solid;box-shadow:inset 4px 0 0 #e2b04a}
.deck-row-head{display:flex;align-items:center;gap:12px;min-height:38px;margin-bottom:10px}
.deck-row-num{display:grid;place-items:center;min-width:32px;height:32px;padding:0 8px;border-radius:10px;background:var(--lilac);color:var(--blue);font:600 14px var(--display)}
.deck-row-state{flex:1;display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--mut);min-width:0}
.deck-row.has-problem .deck-row-state{color:#73551a}.deck-row-state .deck-ic{width:16px;height:16px;color:#c48a14}
.deck-row-tools{display:flex;gap:4px;margin-left:auto}
.deck-tool{display:grid;place-items:center;width:38px;height:38px;border:1px solid transparent;border-radius:11px;background:none;color:var(--mut)}
.deck-tool:hover:not(:disabled){background:var(--canvas);color:var(--ink);border-color:var(--line)}
.deck-tool.danger:hover:not(:disabled){color:var(--red);background:#fdefed}
.deck-tool:disabled{opacity:.3}
.deck-faces{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.deck-face{min-width:0;display:flex;flex-direction:column;gap:10px}
.deck-face label{margin:0}
.deck-face textarea{min-height:64px}
.deck-face-back textarea{background:#fbfaff}
.deck-file{position:relative;display:inline-flex;align-items:center;gap:7px;cursor:pointer;margin:0;font-size:13px;font-weight:600;color:var(--blue)}
.deck-file input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}
.deck-file:focus-within{outline:3px solid var(--blue);outline-offset:3px;border-radius:8px}
.deck-add-img{align-self:flex-start;padding:7px 12px;border:1px dashed #b9b5f2;border-radius:11px;color:var(--blue);background:#fbfaff}
.deck-add-img:hover{background:var(--lilac)}
.deck-img{display:flex;gap:12px;align-items:flex-start;padding:10px;border:1px solid var(--line);border-radius:14px;background:var(--canvas)}
.deck-img img{width:92px;height:76px;object-fit:contain;border-radius:9px;background:#fff;border:1px solid var(--line);flex:none}
.deck-img-fields{flex:1;min-width:0}
.deck-img-fields input{min-height:40px!important;font-size:14px!important;padding:8px 11px!important}
.deck-img-actions{display:flex;align-items:center;gap:14px;margin-top:6px}
.deck-img-busy{font-size:13px;color:var(--blue)}
.deck-quiz{margin-top:14px;padding:14px;border-radius:14px;background:var(--canvas)}
.deck-quiz p{font-size:12.5px;margin-bottom:10px}
.deck-quiz-fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.deck-quiz-fields input{min-height:42px!important;font-size:14px!important}
.deck-add{display:flex;flex-direction:column;align-items:center;gap:10px;margin:22px 0 10px}
.deck-add-card{min-width:260px;min-height:54px!important;border-radius:999px;border:1px dashed #9f9bf0;color:var(--blue);background:var(--paper)}
.deck-add-card:hover{background:var(--lilac)}
.deck-add p{display:flex;align-items:center;gap:6px;font-size:12px}.deck-kbd-hint{display:inline-flex;align-items:center;gap:6px}
@media(hover:none) and (pointer:coarse){.deck-kbd-hint{display:none}}
.deck-add kbd,.deck-study kbd{background:white;border:1px solid var(--line);padding:2px 7px;border-radius:5px;box-shadow:0 2px 0 var(--line);font:11px var(--font);color:var(--ink)}
.deck-undo{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:60;display:flex;align-items:center;gap:12px;padding:10px 10px 10px 18px;border-radius:16px;background:var(--ink);color:#fff;box-shadow:0 18px 40px #191a2040;font-size:14px}
.deck-undo .btn{background:var(--lime);color:var(--ink);border:0}
.deck-undo .deck-tool{color:#cfd0d8}.deck-undo .deck-tool:hover{background:#ffffff1a;color:#fff;border-color:transparent}
.deck-ai{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:18px;margin-bottom:16px}
.deck-ai h3{font-size:18px;margin-bottom:6px}.deck-ai p{font-size:13px;margin-bottom:10px}
.deck-ai select{width:auto}

/* Import */
.deck-import{background:var(--paper);border:1px solid #c9c4f5;border-radius:22px;padding:24px;margin-bottom:18px;box-shadow:0 14px 40px #4540eb10}
.deck-import-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:16px}
.deck-import h2{font-size:22px;font-weight:500;margin-bottom:6px}.deck-import-head p{font-size:14px}
.deck-import-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:20px}
.deck-import-grid textarea{min-height:150px;font-family:Consolas,monospace!important;font-size:14px!important;white-space:pre;overflow-wrap:normal;overflow-x:auto}
.deck-import-options{display:flex;flex-direction:column;gap:8px}
.deck-import-options label{margin-top:4px}
.deck-import-file{margin-top:10px;padding:8px 12px;border:1px dashed #b9b5f2;border-radius:11px}
.imp-summary{margin:18px 0 10px;font-size:14px}.imp-summary b{color:var(--ink)}
.imp-preview{max-height:380px;overflow:auto;border:1px solid var(--line);border-radius:14px}
.imp-preview table{width:100%;border-collapse:collapse;font-size:14px}
.imp-preview th{position:sticky;top:0;background:var(--canvas);text-align:left;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--mut);padding:9px 10px;z-index:1}
.imp-preview td{border-top:1px solid var(--line);padding:6px 8px;vertical-align:top}
.imp-preview td:first-child{width:52px;text-align:center;padding-top:16px}
.imp-preview td:last-child{width:130px;font-size:12px;color:var(--mut);padding-top:16px}
.imp-preview textarea{min-height:40px!important;font-size:14px!important;padding:8px 10px!important;resize:vertical}
.imp-preview tr.has-problem td{background:#fff8e8}.imp-preview tr.has-problem .imp-issue{color:#73551a;font-weight:600}
.imp-preview input[type=checkbox]{width:18px;height:18px;accent-color:var(--blue)}

/* Study */
.deck-study-top{gap:16px}
.deck-study-name{flex:1;text-align:center;font-size:13px;font-weight:600;color:var(--mut);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.deck-study{max-width:760px;margin:0 auto}
.deck-study-progress{display:flex;align-items:center;gap:16px;margin-bottom:22px;font-size:13px;color:var(--mut)}
.deck-study-progress b{font:500 18px var(--display);color:var(--ink)}
.deck-study-progress .prog{flex:1;margin:0}
.deck-study-card{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:320px;padding:46px 40px 34px;border-radius:28px;background:var(--paper);border:1px solid #d9dde5;box-shadow:5px 6px 0 #e5e6ed,9px 11px 0 #cdd0dd,0 28px 40px #22244510;text-align:center}
.deck-study-card.is-back{background:#f4f2ff;border-color:#d6d0fb;box-shadow:5px 6px 0 #e1ddfb,9px 11px 0 #c9c3f4,0 28px 40px #4540eb14}
.deck-study-card .deck-side-label{position:absolute;top:20px;left:24px;padding:4px 10px;border-radius:999px;background:var(--canvas)}
.deck-study-card.is-back .deck-side-label{background:#fff;color:var(--blue)}
.deck-study-text{flex:0 0 auto;margin:0;font:500 clamp(24px,2.8vw,34px)/1.3 var(--display);letter-spacing:-.035em;color:var(--ink);overflow-wrap:anywhere;max-width:100%}
.deck-study-text .question-image{margin:18px auto 0}
.deck-study-reveal{text-align:center;margin-top:30px}
.deck-study-reveal .btn{min-width:240px;min-height:54px!important;border-radius:999px;font-size:15px!important}
.deck-study-grade{text-align:center}
.deck-study-grade>.btn{margin-top:14px}
.deck-study-tools{display:flex;justify-content:center;margin-top:18px}
.deck-done h1{font-size:44px}

@media(prefers-reduced-motion:reduce){.deck-save.is-saving i{animation:none}.deck-tile,.deck-row{transition:none}}
@media(max-width:1100px){.deck-hero{grid-template-columns:auto 1fr}.deck-hero-actions{grid-column:1 / -1;flex-direction:row;flex-wrap:wrap;min-width:0}.deck-hero-actions .btn,.deck-more summary{width:auto}.deck-meta-row{grid-template-columns:1fr 1fr}.deck-privacy{grid-column:1 / -1}}
@media(max-width:760px){
  .deck-page-title{flex-direction:column;align-items:stretch}.deck-title-actions .btn{flex:1}
  .deck-toolbar-lib{align-items:stretch}.deck-search{max-width:none;flex-basis:100%}.deck-sort{margin-left:0}
  .deck-grid{grid-template-columns:1fr}
  .deck-discover{flex-wrap:wrap}.deck-discover .btn{width:100%}
  .deck-empty{grid-template-columns:1fr;padding:26px;gap:12px}.deck-empty-art{height:150px;transform:scale(.82);transform-origin:left top}.deck-empty h2{font-size:27px}
  .deck-empty .btnrow .btn{flex:1 1 100%}
  .deck-hero{grid-template-columns:1fr;padding:22px;gap:16px}.deck-hero-icon{width:64px;height:64px;font-size:30px;border-radius:18px}
  .deck-hero-actions{display:grid;grid-template-columns:1fr 1fr}.deck-hero-actions>.btn:first-child{grid-column:1 / -1}.deck-hero-actions .btn,.deck-more summary{width:100%}
  .deck-more-menu{right:auto;left:0;width:min(290px,calc(100vw - 52px))}
  .deck-note{flex-wrap:wrap}
  .deck-peek-card{min-height:220px;padding:44px 20px 22px}
  .deck-card-item{grid-template-columns:1fr;gap:12px}.deck-card-side+.deck-card-side{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:12px}.deck-card-edit{justify-self:start}
  .deck-editor-bar{margin:-14px 0 18px;gap:10px}.deck-editor-name{order:-1;flex-basis:calc(100% - 140px)}.deck-save-holder{flex-basis:100%;order:2}.deck-save{max-width:none;flex:1}
  .deck-editor-actions{order:3;flex-basis:100%}.deck-editor-actions .btn{flex:1}
  .deck-details{padding:18px}.deck-title-field input{font-size:20px!important}
  .deck-meta-row{grid-template-columns:1fr}
  .deck-row{padding:14px}.deck-faces{grid-template-columns:1fr;gap:14px}
  .deck-quiz-fields{grid-template-columns:1fr}
  .deck-add-card{min-width:0;width:100%}.deck-add p{text-align:center;justify-content:center;flex-wrap:wrap}
  .deck-undo{left:12px;right:12px;transform:none;bottom:14px}
  .deck-import{padding:18px}.deck-import-grid{grid-template-columns:1fr}
  .imp-preview td:last-child{width:auto}
  .deck-study-progress{flex-wrap:wrap}.deck-study-progress .prog{flex-basis:100%;order:3}
  .deck-study-card{min-height:250px;padding:50px 20px 26px;border-radius:22px}
  .deck-study-reveal .btn{width:100%}
  .deck-study-name{display:none}
  .deck-done h1{font-size:32px}
}
.sidebar .wordmark .beta-pill{margin-left:6px;padding:3px 7px}