/* Flipcard v2 visual refresh (2026-09-15). Same markup, IDs and class hooks as v1; tokens and components rewritten. */
:root{
  --bg:#edf1f4;--paper:#ffffff;--paper-2:#f6f8fa;--tint:#e6eef4;--tint-2:#d5e3ec;
  --ink:#172129;--ink-2:#2f3d47;--muted:#5b6b77;--faint:#8a99a4;
  --line:#d8dfe6;--line-2:#c3cfd8;--field:#7d8b96;--rule:var(--line-2);
  --navy:#1e3a4c;--navy-2:#16303f;--blue:#2a5b78;--blue-2:#234f69;--blue-soft:#e7f0f7;--blue-text:#245069;
  --amber:#b4560c;--amber-soft:#fff6e5;--amber-line:#ecc98f;--amber-field:#b37f43;
  --green:#1e6b45;--green-soft:#e6f4ec;--green-line:#8fcbaa;
  --red:#9a2f2f;--red-soft:#fbeaea;--red-line:#e2a5a5;
  --soft:var(--blue-soft);--focus:#b45309;
  --r-xs:5px;--r-sm:8px;--r-md:12px;--r-lg:16px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(23,33,41,.05),0 1px 1px rgba(23,33,41,.03);
  --sh-2:0 2px 6px rgba(23,33,41,.05),0 12px 28px -16px rgba(23,33,41,.22);
  --sh-3:0 18px 50px -18px rgba(23,33,41,.35);
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,"Times New Roman",serif;
  --sans:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Roboto,Arial,sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
  --ic-flash:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Crect x='1.5' y='4.5' width='10' height='8' rx='1.5' fill='none' stroke='black' stroke-width='1.5'/%3E%3Cpath d='M5.5 2.5h8a1 1 0 0 1 1 1V10' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  --ic-mcq:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Ccircle cx='4' cy='5' r='2' fill='none' stroke='black' stroke-width='1.5'/%3E%3Ccircle cx='4' cy='11' r='2' fill='black'/%3E%3Cpath d='M8 5h6M8 11h6' stroke='black' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  --ic-tf:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M1.5 5.5l2 2L7 3.5' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M9.5 9.5l4 4M13.5 9.5l-4 4' stroke='black' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
  --ic-choose:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Crect x='2' y='2' width='5' height='5' rx='1' fill='none' stroke='black' stroke-width='1.5'/%3E%3Crect x='2' y='9' width='5' height='5' rx='1' fill='black'/%3E%3Cpath d='M9.5 4.5h5M9.5 11.5h5' stroke='black' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  --ic-fill:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M2 13.5h12' stroke='black' stroke-width='1.5' stroke-linecap='round'/%3E%3Cpath d='M3.5 10l6.5-6.5 2 2L5.5 12H3.5z' fill='none' stroke='black' stroke-width='1.5' stroke-linejoin='round'/%3E%3C/svg%3E");
  --ic-match:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Ccircle cx='3.5' cy='4' r='1.6' fill='black'/%3E%3Ccircle cx='3.5' cy='12' r='1.6' fill='black'/%3E%3Ccircle cx='12.5' cy='4' r='1.6' fill='black'/%3E%3Ccircle cx='12.5' cy='12' r='1.6' fill='black'/%3E%3Cpath d='M5 4.5l6 7M5 11.5l6-7' stroke='black' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  --ic-import:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 10.5V3M5 6l3-3 3 3M3 13.5h10' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  --ic-doc:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 1.5h5l3.5 3.5V14a.5.5 0 0 1-.5.5H4a.5.5 0 0 1-.5-.5V2a.5.5 0 0 1 .5-.5z' fill='none' stroke='black' stroke-width='1.5' stroke-linejoin='round'/%3E%3Cpath d='M9 1.5V5h3.5M6 8.5h4M6 11h4' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  --ic-check:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8.5l3 3 7-7' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  --ic-flip:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 6.5a5 5 0 0 1 9-3M13 9.5a5 5 0 0 1-9 3' fill='none' stroke='black' stroke-width='1.6' stroke-linecap='round'/%3E%3Cpath d='M12 1.5v2.5h-2.5M4 14.5V12h2.5' fill='none' stroke='black' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  --ic-cerego:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 1.8L14 5 8 8.2 2 5z' fill='none' stroke='black' stroke-width='1.5' stroke-linejoin='round'/%3E%3Cpath d='M2.4 8.2L8 11.2l5.6-3M2.4 11.2L8 14.2l5.6-3' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  --ic-picture:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Crect x='1.5' y='2.5' width='13' height='11' rx='1.5' fill='none' stroke='black' stroke-width='1.5'/%3E%3Ccircle cx='5.5' cy='6.3' r='1.3' fill='black'/%3E%3Cpath d='M2.5 12l3.5-3.5 2.5 2.5 2-2 3 3' fill='none' stroke='black' stroke-width='1.5' stroke-linejoin='round'/%3E%3C/svg%3E");
  --chevron:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4' fill='none' stroke='%235b6b77' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 var(--sans);-webkit-font-smoothing:antialiased}
button,input,textarea,select{font:inherit;color:inherit}
a{color:var(--blue-text)}
[hidden]{display:none!important}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0)}

/* Buttons */
button,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:8px 14px;border:1px solid var(--line-2);border-radius:var(--r-sm);background:var(--paper);color:var(--ink);text-decoration:none;cursor:pointer;font-size:14px;font-weight:600;line-height:1.3;box-shadow:var(--sh-1);transition:background .15s var(--ease),border-color .15s var(--ease),box-shadow .15s var(--ease),transform .15s var(--ease),color .15s var(--ease)}
button svg,.button svg{width:15px;height:15px;flex:none}
button:hover,.button:hover{border-color:var(--blue);background:var(--paper-2)}
button:active,.button:active{transform:translateY(1px);box-shadow:none}
button:disabled{opacity:.45;cursor:not-allowed;transform:none}
button:focus-visible,a:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.primary,.button.primary{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 1px 2px rgba(23,33,41,.18),inset 0 1px 0 rgba(255,255,255,.08)}
.primary:hover,.button.primary:hover{background:var(--blue-2);border-color:var(--blue-2);color:#fff}
.primary.large{padding:13px 22px;font-size:15px}
.textbtn{background:none;border:0;padding:0;color:var(--blue-text);font-size:13px;box-shadow:none;font-weight:600;text-decoration:underline;text-decoration-color:transparent;text-underline-offset:3px;transition:text-decoration-color .15s}
.textbtn:hover{background:none;border:0;text-decoration-color:currentColor}
.icon{padding:0;width:32px;height:32px;background:transparent;border-color:transparent;box-shadow:none;color:var(--muted);border-radius:var(--r-xs);font-size:18px;line-height:1}
.icon:hover{background:var(--tint);color:var(--blue-text);border-color:transparent}
.icon svg{width:16px;height:16px;display:block}
#delete:hover{background:var(--red-soft);color:var(--red)}
.ghost{background:transparent;border-color:rgba(255,255,255,.28);color:#fff;box-shadow:none;font-weight:500}
.ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.55);color:#fff}

/* Fields */
input,textarea,select{border:1px solid var(--field);border-radius:var(--r-sm);padding:10px 12px;background:#fff;width:100%;transition:border-color .15s,box-shadow .15s}
input:hover,textarea:hover,select:hover{border-color:var(--muted)}
input:focus-visible,textarea:focus-visible,select:focus-visible{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(42,91,120,.4)}
textarea{resize:vertical;line-height:1.6;min-height:90px}
::placeholder{color:var(--muted);opacity:1}
select{appearance:none;-webkit-appearance:none;background-image:var(--chevron);background-repeat:no-repeat;background-position:right 10px center;background-size:16px;padding-right:34px}
input[type=checkbox],input[type=radio]{width:18px;height:18px;accent-color:var(--blue);padding:0;box-shadow:none;margin:0}
input[type=checkbox]:focus-visible,input[type=radio]:focus-visible{outline:3px solid var(--focus);outline-offset:2px;box-shadow:none}
input[type=file]{padding:8px 10px;background:var(--paper-2);font-size:14px}
input[type=number]{max-width:180px}

/* Header */
.top{height:64px;display:flex;align-items:center;gap:18px;padding:0 32px;background:linear-gradient(180deg,var(--navy),var(--navy-2));color:#fff;position:sticky;top:0;z-index:20;box-shadow:0 1px 0 rgba(255,255,255,.05),0 6px 18px -12px rgba(0,0,0,.5)}
.brand{color:#fff;text-decoration:none;font-size:20px;letter-spacing:-.2px;display:flex;align-items:center;gap:10px}
.brand b{font-weight:650}
.brandmark{display:inline-flex;width:30px;height:30px;line-height:1}
.brandmark svg{width:30px;height:30px;display:block}
.topnote{font-size:11px;letter-spacing:1.5px;color:#c7d6df;border:1px solid rgba(255,255,255,.18);border-radius:var(--r-pill);padding:4px 10px;white-space:nowrap}
.copyright{font-size:12px;letter-spacing:.3px;color:#b9c9d3;white-space:nowrap;margin-left:auto}
.top .ghost{margin-left:0}
.top .topnote+.ghost{margin-left:auto}

/* Page heading */
main{max-width:1520px;margin:auto;padding:26px 32px 0}
.heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:18px}
.eyebrow{font-size:11px;letter-spacing:1.6px;font-weight:700;color:var(--blue-text);margin:0 0 6px;text-transform:uppercase}
h1{font-family:var(--serif);font-weight:400;font-size:30px;letter-spacing:-.3px;margin:0 0 4px;line-height:1.2}
.intro{color:var(--muted);margin:0;max-width:720px;font-size:15px}
.heading .intro{max-width:760px}

/* Project bar */
.projectbar{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-md);padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:20px;box-shadow:var(--sh-2)}
.titlefield{flex:1;display:flex;flex-direction:column;gap:6px;min-width:200px}
.titlefield label{display:block;line-height:1.4;font-size:11px;letter-spacing:1.4px;font-weight:700;color:var(--muted);text-transform:uppercase}
.titlefield input{display:block;min-width:0;width:100%;font-size:18px;font-weight:600;padding:8px 12px;max-width:620px;border:1px solid var(--field);background:#fff;border-radius:var(--r-sm)}
.projectactions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.projectactions span{font-size:12px}
.projectactions button{white-space:nowrap}
#newDeck{background:transparent;border-color:transparent;box-shadow:none;color:var(--muted);font-weight:500}
#newDeck:hover{color:var(--red);background:var(--red-soft);border-color:transparent}
#saveDraft{border-color:var(--blue);color:var(--blue-text)}
#saveDraft:hover{background:var(--blue-soft)}
.projectnote{display:flex;justify-content:space-between;gap:24px;margin:10px 2px 0;font-size:13px;color:var(--muted)}
.projectnote b{color:var(--ink-2)}
.projectnote #saveStatus{font-size:12px;flex-shrink:0;display:inline-flex;align-items:center;gap:7px}
.projectnote #saveStatus::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 3px var(--blue-soft);flex:none}
.muted{color:var(--muted)}
.small{font-size:13px}

/* Step tabs */
.tabs{display:flex;gap:6px;align-items:center;margin:22px 0 0;padding:0 4px;border-bottom:1px solid var(--line-2)}
.tabs button{border:0;border-radius:var(--r-sm) var(--r-sm) 0 0;background:none;box-shadow:none;padding:12px 14px 13px;color:var(--muted);font-weight:500;gap:10px;position:relative;font-size:14px}
.tabs button i{font-style:normal;display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;border:1.5px solid var(--line-2);font-size:11px;font-weight:700;color:var(--muted);background:var(--paper);transition:background .15s,border-color .15s,color .15s}
.tabs button span{font-weight:600}
.tabs button:hover{background:rgba(42,91,120,.06);border:0;color:var(--blue-text)}
.tabs button:hover i{border-color:var(--blue)}
.tabs button.active{color:var(--blue-text);background:var(--paper)}
.tabs button.active i{background:var(--blue);border-color:var(--blue);color:#fff}
.tabs button.active::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--blue)}
.format{margin-left:auto;font-size:11px;color:var(--muted);letter-spacing:1px;border:1px solid var(--line);border-radius:var(--r-pill);padding:3px 9px;background:var(--paper)}

/* Workspace shell */
.workspace{display:grid;grid-template-columns:266px minmax(320px,1fr) minmax(280px,340px);background:var(--paper);border:1px solid var(--line);border-top:0;border-radius:0 0 var(--r-md) var(--r-md);min-height:600px;box-shadow:var(--sh-2)}
.panelhead{display:flex;align-items:center;justify-content:space-between;gap:10px}
h2{font-size:17px;margin:0;font-weight:650;letter-spacing:-.1px}
h3{font-size:15px;margin:0 0 8px;font-weight:650}
.badge{font-size:11px;letter-spacing:.5px;background:var(--blue-soft);color:var(--blue-text);padding:2px 8px;border-radius:var(--r-pill);vertical-align:middle;font-weight:700;border:1px solid var(--tint-2)}

/* Item list */
.deckpanel{background:var(--paper-2);padding:20px 16px;border-right:1px solid var(--line);border-radius:0 0 0 var(--r-md);display:flex;flex-direction:column;min-width:0}
.deckpanel>p{font-size:12px;margin:4px 0 14px;color:var(--muted)}
.deckpanel ol{list-style:none;padding:2px 2px 18px;margin:0 -2px;display:flex;flex-direction:column;gap:3px;max-height:420px;overflow:auto;scrollbar-width:thin;-webkit-mask-image:linear-gradient(to bottom,#000 calc(100% - 22px),transparent);mask-image:linear-gradient(to bottom,#000 calc(100% - 22px),transparent)}
.cardrow{width:100%;padding:9px 10px 9px 8px;text-align:left;justify-content:flex-start;background:transparent;border-color:transparent;box-shadow:none;gap:10px;font-weight:400;border-radius:var(--r-sm);align-items:flex-start}
.cardrow:hover{background:var(--tint);border-color:transparent}
.cardrow.selected{background:var(--paper);border-color:var(--line);box-shadow:var(--sh-1),inset 3px 0 0 var(--blue)}
.cardrow:active{transform:none}
.num{font-size:11px;color:var(--faint);font-variant-numeric:tabular-nums;align-self:flex-start;padding-top:3px;min-width:18px;font-weight:600}
.rowtext{min-width:0;flex:1}
.rowtext b{font-size:13.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4;font-weight:500;overflow-wrap:anywhere;color:var(--ink)}
.cardrow.selected .rowtext b{font-weight:600}
.rowtext small{display:inline-flex;align-items:center;gap:5px;font-size:11px;color:var(--muted);margin-top:4px;font-weight:600}
.rowtext small.type::before{content:"";width:13px;height:13px;flex:none;background:currentColor;-webkit-mask:var(--ic) center/contain no-repeat;mask:var(--ic) center/contain no-repeat}
.type-flash{--ic:var(--ic-flash);color:#2a5b78}
.type-mcq{--ic:var(--ic-mcq);color:#4f5fa8}
.type-tf{--ic:var(--ic-tf);color:#1e6b45}
.type-choose{--ic:var(--ic-choose);color:#6b4fa8}
.type-fill{--ic:var(--ic-fill);color:#b4560c}
.type-match{--ic:var(--ic-match);color:#0f766e}
.empty{padding:40px 12px;text-align:center;color:var(--muted);border:1px dashed var(--line-2);border-radius:var(--r-md);font-size:13.5px}

/* Add-item controls */
.addlabel{font-size:11px;letter-spacing:1.4px;font-weight:700;color:var(--muted);text-transform:uppercase;margin:18px 0 8px}
.addbuttons{display:grid;gap:8px;margin:0 0 20px}
.activitygrid{display:grid;grid-template-columns:1fr;gap:6px}
.activitygrid button,.importactions button{justify-content:flex-start;gap:8px;padding:9px 10px;font-size:13px;font-weight:600;background:var(--paper);border-style:solid;border-color:var(--line);box-shadow:none;min-width:0;color:var(--ink-2);white-space:nowrap}
.activitygrid button::before,.importactions button::before{content:"";width:15px;height:15px;flex:none;background:var(--blue);-webkit-mask:var(--ic) center/contain no-repeat;mask:var(--ic) center/contain no-repeat}
.activitygrid button:hover,.importactions button:hover{border-color:var(--blue);background:var(--blue-soft);color:var(--blue-text)}
#addFlash{--ic:var(--ic-flash)}#addMcq{--ic:var(--ic-mcq)}#addTf{--ic:var(--ic-tf)}#addChoose{--ic:var(--ic-choose)}#addFill{--ic:var(--ic-fill)}#addMatch{--ic:var(--ic-match)}#importTop{--ic:var(--ic-import)}#uploadDocument{--ic:var(--ic-doc)}#importCerego{--ic:var(--ic-cerego)}
.importactions{display:grid;gap:7px;margin-top:10px;padding-top:12px;border-top:1px dashed var(--line-2)}
.addbuttons #uploadDocument{grid-column:auto;background:var(--paper);border-style:solid;color:var(--ink-2)}
.aiInvite{padding:16px;background:linear-gradient(160deg,#eaf2f8,#dbe8f1);border:1px solid var(--tint-2);border-radius:var(--r-md);margin-top:auto}
.aiInvite .spark{color:var(--blue);line-height:1;display:inline-flex}
.aiInvite .spark svg{width:22px;height:22px}
.aiInvite h3{margin:6px 0 4px;font-size:14px}
.aiInvite p{font-size:12.5px;color:var(--muted);line-height:1.5;margin:0 0 12px}
.aiInvite button{width:100%;color:var(--blue-text);background:var(--paper);border-color:var(--tint-2)}
.aiInvite button:hover{border-color:var(--blue)}

/* Editor */
.editorpanel{padding:24px 28px;min-width:0;display:flex;flex-direction:column;background:var(--paper)}
.editorpanel .eyebrow{font-size:11px;margin-bottom:4px}
.editactions{display:flex;gap:2px}
.editactions .icon{font-size:17px}
.field{display:block;font-size:13.5px;font-weight:650;margin:22px 0 8px;color:var(--ink-2)}
.field span{font-weight:400;color:var(--muted);margin-left:6px}
.editorpanel textarea{min-height:120px;background:#fff}
.editorpanel .answerfield{background:var(--amber-soft);border-color:var(--amber-field)}
.editorpanel .answerfield:focus-visible{border-color:var(--amber);box-shadow:0 0 0 3px rgba(180,86,12,.4)}
.editorfoot{display:flex;gap:20px;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:auto;padding-top:24px}
.editorfoot span:last-child{white-space:nowrap;font-variant-numeric:tabular-nums}
.emptyintro{margin:20px 0 18px;color:var(--muted)}
.activitychoices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.activitychoice{display:flex;flex-direction:column;align-items:flex-start;text-align:left;padding:16px 18px;gap:4px;background:var(--paper);border-color:var(--line);box-shadow:var(--sh-1);border-radius:var(--r-md);white-space:normal}
.activitychoice b{font-size:15px;color:var(--blue-text)}
.activitychoice span{font-size:13px;font-weight:400;color:var(--muted);line-height:1.45}
.activitychoice:hover{background:var(--blue-soft);border-color:var(--tint-2)}
.editorpanel .textbtn{font-size:14px;margin-top:18px;align-self:flex-start}
.optionedit{display:flex;align-items:center;gap:10px;margin:8px 0}
.optionedit input[type=radio],.optionedit input[type=checkbox]{width:18px;height:18px;flex-shrink:0}
.optionedit span{font-size:12px;font-weight:700;color:var(--muted);width:16px;text-align:center}
.optionedit input[type=text]{padding:9px 12px;font-size:14px}
.matchedit{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:8px 0}
.matchedit input{padding:9px 12px;font-size:14px}
.countcontrol{display:flex;align-items:center;gap:6px;margin:14px 0 8px;padding:6px 6px 6px 12px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-sm);font-size:13px;color:var(--muted)}
.countcontrol>span:first-child{flex:1}
.countcontrol .icon{margin:0;width:28px;height:28px;font-size:16px;background:var(--paper);border-color:var(--line)}
.countvalue{min-width:22px;text-align:center;font-weight:700;color:var(--blue-text)}
.itemscore{display:flex;align-items:center;gap:10px;margin:18px 0 2px;padding:10px 14px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-sm)}
.itemscore label{font-size:13.5px;font-weight:650;margin:0}
.itemscore input{width:90px;padding:7px 10px}
.itemscore small{font-size:12px;color:var(--muted)}
.itemsave{display:flex;justify-content:flex-end;margin-top:22px;padding-top:16px;border-top:1px solid var(--line)}

/* Live preview panel */
.previewpanel{padding:24px 20px;background:var(--paper-2);border-left:1px solid var(--line);border-radius:0 0 var(--r-md) 0;display:flex;flex-direction:column}
.previewpanel h2{font-size:15px}
.previewpanel>p{font-size:12px;margin:6px 0 20px;color:var(--muted)}
#miniPreview{display:flex;flex-direction:column;gap:8px}
.flip-viewport{perspective:1200px;min-height:235px;width:100%}
.flip{display:block;position:relative;min-height:235px;width:100%;padding:0;border:0;background:transparent;box-shadow:none;cursor:pointer;color:inherit;text-align:left;perspective:1200px;border-radius:var(--r-md)}
.flip:hover{background:transparent;border:0}
.flip:active{transform:none}
.flip-inner{display:block;position:relative;width:100%;height:235px;transform-style:preserve-3d;transition:transform .65s var(--ease)}
.flip.is-back .flip-inner{transform:rotateY(180deg)}
.flip-face{position:absolute;inset:0;display:flex;padding:42px 22px 30px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--paper);box-shadow:var(--sh-2);font-weight:500;font-size:18px;line-height:1.45;overflow:auto;backface-visibility:hidden;-webkit-backface-visibility:hidden;transform:translateZ(0);transition:box-shadow .2s}
.flip:hover .flip-face{box-shadow:var(--sh-3)}
.flip-face.back{background:var(--amber-soft);border-color:var(--amber-line);transform:rotateY(180deg) translateZ(0)}
.flip-face::after{content:"";position:absolute;right:12px;bottom:10px;width:16px;height:16px;opacity:.35;background:currentColor;-webkit-mask:var(--ic-flip) center/contain no-repeat;mask:var(--ic-flip) center/contain no-repeat}
.side,.flip-face .side{position:absolute;top:12px;left:12px;text-transform:uppercase;letter-spacing:1.2px;font-size:10px;line-height:1.4;color:var(--muted);font-weight:700;background:rgba(255,255,255,.8);padding:2px 8px;border-radius:var(--r-pill);border:1px solid var(--line);z-index:1}
.flip-face.back .side{color:var(--amber);border-color:var(--amber-line);background:#fff}
.cardtext,.flip-face .cardtext{white-space:pre-wrap;overflow-wrap:anywhere;text-align:center;margin:auto;max-width:40ch}
.fliphint{font-size:12px;text-align:center;color:var(--muted);margin:6px 0 0}
.previewpanel .textbtn{margin:18px 0 0}
.tip{border-top:1px solid var(--line);padding-top:18px;margin-top:22px}
.tip h3{font-size:11px;letter-spacing:1.2px;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.tip p{font-size:13px;color:var(--muted);margin:0}
.mcqprompt{font-weight:600;white-space:pre-wrap;overflow-wrap:anywhere;margin:0 0 10px;font-size:15px}
.option{width:100%;text-align:left;justify-content:flex-start;font-weight:500;margin:0;white-space:pre-wrap;overflow-wrap:anywhere;padding:9px 12px;font-size:14px;box-shadow:none;background:var(--paper);gap:10px}
.option:hover{background:var(--blue-soft)}
.option:disabled{opacity:1;cursor:default}
.option:disabled:not(.correct):not(.wrong){color:var(--muted)}
.option:disabled:not(.correct):not(.wrong):hover{background:var(--paper);border-color:var(--line-2)}
.option:disabled:hover .letter{border-color:var(--line-2);color:var(--muted)}
.option.correct:disabled:hover .letter,.option.wrong:disabled:hover .letter{color:#fff}
.letter{flex:none;width:24px;height:24px;border-radius:50%;border:1.5px solid var(--line-2);display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:var(--muted);background:var(--paper)}
.option:hover .letter{border-color:var(--blue);color:var(--blue-text)}
.option.picked{border-color:var(--blue);background:var(--blue-soft)}
.option.picked .letter{background:var(--blue);border-color:var(--blue);color:#fff}
.optiontext{min-width:0}
.correct{background:var(--green-soft)!important;color:var(--green)!important;border-color:var(--green-line)!important}
.correct .letter{background:var(--green);border-color:var(--green);color:#fff}
.wrong{background:var(--red-soft)!important;color:var(--red)!important;border-color:var(--red-line)!important}
.wrong .letter{background:var(--red);border-color:var(--red);color:#fff}
.feedback{font-size:13.5px;white-space:pre-wrap;margin:6px 0 0;padding:10px 12px;border-radius:var(--r-sm);background:var(--paper);border:1px solid var(--line);color:var(--ink-2)}
.feedback.ok{background:var(--green-soft);border-color:var(--green-line);color:var(--green)}
.feedback.no{background:var(--red-soft);border-color:var(--red-line);color:var(--red)}
.matchrow{display:grid;grid-template-columns:minmax(100px,1fr) minmax(140px,1.2fr);gap:10px;align-items:center;margin:8px 0}
.matchrow label{font-weight:600;overflow-wrap:anywhere;font-size:14px}
.matchrow select{padding:9px 32px 9px 10px;font-size:14px}
#miniPreview input:not([type]){margin:4px 0}
.submit,#miniPreview .primary{margin-top:10px;align-self:flex-start}
.submit{background:var(--blue);border-color:var(--blue);color:#fff}
.submit:hover{background:var(--blue-2);color:#fff}
.answerinput{margin:10px 0}

/* Pictures: the control in the editor, and pictures inside the live preview */
.picturefield{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin:10px 0 0;padding:10px 12px;border:1px dashed var(--line-2);border-radius:var(--r-sm);background:var(--paper-2);transition:border-color .15s,background .15s}
.picturefield.drop{border-color:var(--blue);background:var(--blue-soft)}
.picturefield.busy{opacity:.55;pointer-events:none}
.picturelabel{font-size:13px;font-weight:650;color:var(--ink-2)}
.picturefield>small{font-size:12px;color:var(--muted);flex:1 1 220px}
.addpicture{padding:6px 12px;font-size:13px;box-shadow:none}
.addpicture::before{content:"";width:15px;height:15px;flex:none;background:var(--blue);-webkit-mask:var(--ic-picture) center/contain no-repeat;mask:var(--ic-picture) center/contain no-repeat}
.picturefield.has-picture{align-items:flex-start;border-style:solid;background:var(--paper)}
.picturethumb{width:116px;height:87px;object-fit:contain;border:1px solid var(--line);border-radius:var(--r-xs);background:var(--paper-2);flex:none}
.picturebody{flex:1 1 240px;min-width:0;display:flex;flex-direction:column;gap:3px}
.picturemeta{font-size:12px;color:var(--muted);overflow-wrap:anywhere}
.picturealt{font-size:12.5px;font-weight:600;color:var(--ink-2);margin-top:6px}
.picturebody input[type=text]{padding:8px 10px;font-size:14px}
.pictureactions{display:flex;gap:8px;margin-top:8px}
.pictureactions button{padding:5px 11px;font-size:12.5px;box-shadow:none}
.flip-viewport.has-image,.flip.has-image{min-height:300px}
.flip.has-image .flip-inner{height:300px}
.flip.has-image .flip-face{flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:40px 16px 26px}
.cardimage{display:block;width:100%;max-width:100%;min-height:0;flex:1 1 0;object-fit:contain;border-radius:6px}
.flip.has-image .cardtext{flex:none;margin:0 auto;font-size:15px}
.qpicture{display:block;max-width:100%;max-height:190px;margin:0 0 6px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--paper)}

/* Preview and export views */
.view{padding:30px 32px;background:var(--paper);border:1px solid var(--line);border-top:0;border-radius:0 0 var(--r-md) var(--r-md);box-shadow:var(--sh-2)}
.viewhead{display:flex;align-items:center;justify-content:space-between;gap:16px}
.view h2{font-family:var(--serif);font-size:28px;font-weight:400;letter-spacing:-.2px}
.view>p.muted{margin:8px 0 0}
#activityFrame{width:100%;min-height:520px;border:1px solid var(--line);border-radius:var(--r-lg);margin-top:16px;background:var(--bg)}
.previewnotice{padding:12px 14px;margin:14px 0 0;background:var(--amber-soft);border:1px solid var(--amber-line);border-radius:var(--r-sm);color:#704d12;font-size:14px}
.exportgrid{display:grid;grid-template-columns:1.15fr 1fr;gap:56px;max-width:1080px;margin:auto}
.large{margin:18px 10px 0 0}
.guide{padding:24px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-md)}
.guide h3{font-size:19px;font-family:var(--serif);font-weight:500}
.guide ol{padding-left:20px;margin:12px 0}
.guide li{padding-left:6px;margin-bottom:12px}
.guide li::marker{color:var(--blue-text);font-weight:700}
.check{background:var(--green-soft);border:1px solid var(--green-line);color:var(--green);padding:14px 16px;border-radius:var(--r-sm);margin:20px 0;white-space:pre-line;font-weight:500}
.check.errors,.errors{background:var(--red-soft);color:var(--red);border-color:var(--red-line)}
.check p{margin:0 0 6px;font-weight:600}
.problems{list-style:none;margin:0;padding:0}
.problems li{display:flex;flex-wrap:wrap;align-items:center;gap:4px 14px;margin:6px 0;font-weight:500}
.problems .textbtn{padding:2px 0;font-size:13px;color:var(--red);text-decoration:underline;background:none;border:0;box-shadow:none;font-weight:600}
.problems .textbtn:hover{color:var(--ink)}
#saveStatus.unsaved{color:var(--amber);font-weight:600}
#saveStatus.unsaved::before{background:var(--amber)}
#exportStatus{margin:0 0 10px;padding:10px 12px;border-radius:var(--r-sm);background:var(--green-soft);border:1px solid var(--green-line);color:var(--green)}
#exportStatus.warn{background:var(--amber-soft);border-color:var(--amber-field);color:#5c3d0c}
.cardrow.needs .type{color:var(--amber);font-weight:600}
.assignmentbox{margin:22px 0 20px;padding:20px 22px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-md)}
.assignmenthead{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}
.assignmenthead h3{font-size:18px;margin:0}
.checkrow{display:flex;align-items:flex-start;gap:10px;margin:16px 0;font-size:14px;cursor:pointer;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--paper);transition:border-color .15s,background .15s}
.checkrow:has(input:checked){border-color:var(--blue);background:var(--blue-soft)}
.checkrow input{width:18px;height:18px;flex:0 0 auto;margin-top:2px}
.checkrow span{display:flex;flex-direction:column;gap:2px}
.checkrow small{font-size:13px;color:var(--muted);font-weight:400}
.assignmentbox input[type=number]{max-width:180px}
.practicebox .checkrow{margin:10px 0}
.practicebox #practiceOptions{margin-top:18px;padding-top:6px;border-top:1px dashed var(--line-2)}
.practicebox #spacedEstimate{margin:12px 0 0}
footer{padding:26px 4px 30px;color:var(--muted)}
.footrow{display:flex;justify-content:space-between;gap:20px;font-size:11px;letter-spacing:.4px}
.support{display:flex;align-items:center;justify-content:space-between;gap:12px 20px;flex-wrap:wrap;margin-top:16px;padding:12px 14px 12px 18px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--paper);box-shadow:var(--sh-1)}
.support p{margin:0;font-size:13px;line-height:1.5;color:var(--muted);flex:1 1 320px}
.coffee{display:inline-flex;align-items:center;gap:8px;padding:8px 15px;border-radius:var(--r-pill);border:1px solid var(--amber-line);background:var(--amber-soft);color:#7a3d0a;font-size:13.5px;font-weight:600;text-decoration:none;white-space:nowrap;transition:background .15s var(--ease),border-color .15s var(--ease),transform .15s var(--ease)}
.coffee:hover{background:#ffecc9;border-color:var(--amber)}
.coffee:active{transform:translateY(1px)}
.coffee svg{width:16px;height:16px;flex:none}

/* Dialogs */
dialog{width:min(680px,calc(100% - 28px));border:1px solid var(--line);border-radius:var(--r-lg);background:var(--paper);color:var(--ink);padding:26px 28px;box-shadow:var(--sh-3);max-height:90vh;overflow:auto}
dialog::backdrop{background:rgba(20,40,56,.5);backdrop-filter:blur(4px)}
dialog>p{color:var(--ink-2)}
.dialoghead{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:6px}
.dialoghead h2{font:26px var(--serif);letter-spacing:-.2px;margin:0}
.dialoghead .eyebrow{margin-bottom:4px}
.dialoghead button{font-size:20px;width:34px;height:34px;padding:0;background:var(--paper-2);border:1px solid var(--line);border-radius:50%;box-shadow:none;color:var(--muted);flex:none;line-height:1}
.dialoghead button:hover{background:var(--tint);color:var(--ink);border-color:var(--line-2)}
.dialoghead button:focus-visible{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(42,91,120,.2)}
.dialogfoot{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;justify-content:flex-end}
.twocol{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:20px}
.ai-counts{grid-template-columns:repeat(5,minmax(0,1fr))}
.ai-counts .field{margin-top:20px;min-height:40px;line-height:1.25;font-size:13px}
.ai-counts input{padding:9px 10px}
.ai-step{margin:18px 0;padding:18px 20px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--paper-2)}
.ai-step h3{font-size:16px;color:var(--blue-text);margin:0 0 6px}
.ai-step>p{margin:0 0 14px}
.ai-step .field{margin-top:16px}
.ai-step .dialogfoot{justify-content:flex-start}
.ai-step textarea{background:#fff}
.documentstatus{background:var(--blue-soft);border:1px solid var(--tint-2);border-radius:var(--r-sm);padding:10px 12px;font-size:13.5px;overflow-wrap:anywhere}
#importReview{max-height:250px;overflow:auto}
#importReview:not(:empty){border:1px solid var(--line);border-radius:var(--r-sm);padding:0 12px;background:var(--paper-2);margin-top:12px}
#importReview article{border-bottom:1px solid var(--line);padding:10px 0;font-size:13.5px;white-space:pre-wrap}
#importReview article:last-child{border-bottom:0}
#importReview article p{margin:4px 0 0;color:var(--muted)}
#importMessage,#aiMessage,#ceregoMessage{font-size:13.5px;color:var(--ink-2);margin:12px 0 0}
#ceregoMessage:empty{display:none}
#ceregoMessage.problem{padding:10px 12px;border:1px solid var(--amber-line);border-radius:var(--r-sm);background:var(--amber-soft);color:#704d12;white-space:pre-line}
#ceregoSummary{margin:16px 0 0}
.ceregocols{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:520px){.ceregocols{grid-template-columns:1fr;gap:0}}
#ceregoSample{margin-top:14px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--paper-2);padding:0 12px;max-height:150px;overflow:auto}
#ceregoSample:empty{display:none}
#ceregoSample p{margin:0;padding:9px 0;border-bottom:1px solid var(--line);font-size:13px;display:grid;grid-template-columns:1fr 1fr;gap:12px;overflow-wrap:anywhere}
#ceregoSample p:last-child{border-bottom:0}
#ceregoSample span:last-child{color:var(--muted)}
#ceregoSample i{font-style:normal;color:var(--blue-text);font-weight:600}
.helpdialog{width:min(880px,calc(100% - 28px));max-height:90vh}
.helpdialog[open]{display:flex;flex-direction:column;padding:0;overflow:hidden}
.helpdialog .dialoghead{margin:0;padding:22px 28px 14px;border-bottom:1px solid var(--line)}
.helpdialog .dialoghead h2{font:26px var(--serif)}
.helpbody{overflow:auto;padding:18px 28px 24px}
.helpcontents ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0}
.helpcontents a{display:inline-block;padding:5px 12px;border:1px solid var(--line-2);border-radius:var(--r-pill);background:var(--paper);color:var(--blue-text);font-size:13px;font-weight:600;text-decoration:none}
.helpcontents a:hover{border-color:var(--blue);background:var(--blue-soft)}
.helpsection{margin-top:28px}
.helpsection h3{font:22px var(--serif);margin:0 0 8px}
.helpsection h3:focus{outline:none}
.helpsection h3:focus-visible{outline:3px solid var(--focus);outline-offset:4px;border-radius:4px}
.helpsection p{margin:0 0 10px;color:var(--ink-2);max-width:72ch}
.helpsteps{margin:0 0 12px;padding-left:24px;color:var(--ink-2);max-width:72ch}
.helpsteps li{margin:6px 0;padding-left:4px}
.helpsteps li::marker{color:var(--blue-text);font-weight:700}
.helplist{display:grid;grid-template-columns:minmax(140px,200px) minmax(0,1fr);gap:9px 18px;margin:4px 0 14px}
.helplist dt{font-weight:600;font-size:14px}
.helplist dd{margin:0;color:var(--ink-2);font-size:14.5px}
.helpnote{padding:10px 14px;border:1px solid var(--amber-field);border-radius:var(--r-sm);background:var(--amber-soft);color:#5c3d0c!important}
.helpfoot{margin:26px 0 0;padding-top:14px;border-top:1px solid var(--line)}

/* Toast */
#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--navy);color:#fff;border-radius:var(--r-pill);padding:11px 20px 11px 16px;box-shadow:var(--sh-3);max-width:min(90%,640px);display:none;z-index:50;font-size:14px;line-height:1.4}
#toast::before{content:"";display:inline-block;vertical-align:-4px;margin-right:9px;width:18px;height:18px;border-radius:50%;background:#7fd4a6;-webkit-mask:var(--ic-check) center/70% no-repeat;mask:var(--ic-check) center/70% no-repeat}

/* Tour */
/* The spotlight does the dimming. The card comes after it, so it is never dimmed itself. */
.tour-overlay{position:fixed;inset:0;z-index:1000;display:flex;align-items:flex-end;justify-content:center;padding:24px;pointer-events:none}
.tour-overlay.at-top{align-items:flex-start;padding-top:84px}
.tour-block{position:fixed;inset:0;pointer-events:auto}
.tour-spot{position:fixed;border-radius:10px;box-shadow:0 0 0 3px #fff,0 0 0 6px var(--blue),0 0 0 9999px rgba(15,32,43,.55);pointer-events:none;transition:left .2s var(--ease),top .2s var(--ease),width .2s var(--ease),height .2s var(--ease)}
.tour-card{position:relative;pointer-events:auto;width:min(540px,100%);padding:22px 26px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-3)}
.tour-card h2{font:28px var(--serif);margin:0 0 8px}
.tour-body{font-size:15.5px;line-height:1.55;margin:0;min-height:72px;color:var(--ink)}
.tour-controls{display:flex;align-items:center;gap:10px;margin-top:18px}
.tour-controls .spacer{flex:1}
.tour-count{font-size:12px;color:var(--muted);min-width:44px;text-align:center}
.tour-controls .textbtn{margin:0 6px}
body.tour-open{overflow:hidden}
@media(prefers-reduced-motion:reduce){.tour-spot{transition:none}}
@media(max-width:600px){.helplist{grid-template-columns:1fr;gap:2px 0}.helplist dd{margin-bottom:8px}.helpbody{padding:14px 18px 20px}.helpdialog .dialoghead{padding:18px 18px 12px}}

/* Responsive */
@media(min-width:1500px){.workspace{grid-template-columns:290px minmax(320px,1fr) 360px}.editorpanel{padding:28px 36px}}
@media(max-width:1100px){main{padding:22px 20px 0}.workspace{grid-template-columns:232px minmax(290px,1fr)}.previewpanel{grid-column:1/-1;border-left:0;border-top:1px solid var(--line);border-radius:0 0 var(--r-md) var(--r-md);display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}.previewpanel>p{margin:0}.previewpanel #miniPreview{grid-row:2/5;max-width:500px}.previewpanel .tip{margin:0}.projectactions span{display:none}.heading h1{font-size:26px}.deckpanel{border-radius:0}}
@media(max-width:900px){.projectnote{display:block}.projectnote #saveStatus{display:flex;margin-top:8px}.projectbar{flex-wrap:wrap}.projectactions{justify-content:flex-start}}
@media(max-width:700px){.top{padding:0 16px;height:58px;gap:12px}.topnote{display:none}.brand{font-size:18px}.ghost{padding:7px 10px;font-size:12px}.copyright{font-size:11px}.copyright+.ghost+.ghost{display:none}main{padding:18px 14px 0}.heading{display:block}.heading>.primary{margin-top:16px}.heading h1{font-size:25px}.eyebrow{font-size:10px}.projectbar{display:block;padding:14px}.projectactions{margin-top:12px;gap:7px}.projectactions button{padding:8px 11px}.tabs{gap:2px}.tabs button{font-size:12px;padding:10px 8px;gap:7px}.tabs .format{display:none}.workspace{display:block}.deckpanel{border-right:0;border-bottom:1px solid var(--line);padding:16px;border-radius:0}.deckpanel ol{max-height:200px}.activitygrid{grid-template-columns:1fr 1fr}.aiInvite{display:flex;align-items:center;gap:14px;padding:12px}.aiInvite .spark,.aiInvite p{display:none}.aiInvite h3{font-size:13px;margin:0}.aiInvite button{width:auto;margin-left:auto;white-space:nowrap}.editorpanel{padding:20px 16px}.previewpanel{display:block;padding:20px 16px;border-radius:0 0 var(--r-md) var(--r-md)}.previewpanel #miniPreview{margin-top:20px}.exportgrid{display:block}.guide{margin-top:28px}.view{padding:20px 16px}.viewhead{align-items:flex-start;gap:14px}.view h2{font-size:22px}.viewhead button{font-size:12px;white-space:nowrap}.editorfoot{font-size:11px}.titlefield input{font-size:16px}.footrow{font-size:10px}.footrow>span:last-child{display:none}.support{padding:12px 14px}.activitychoices{grid-template-columns:1fr}.ai-counts{grid-template-columns:repeat(2,minmax(0,1fr))}.tour-overlay{padding:14px}.tour-card{padding:18px}.tour-card h2{font-size:23px}dialog,.helpdialog{padding:20px}}
@media(max-width:520px){.matchrow,.matchedit{grid-template-columns:1fr}.ai-step{padding:14px}.ai-step .dialogfoot>*{width:100%}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}.flip-inner{transition:none}}