:root {
  --page-bg:#c0c0c0; --panel-bg:#fff; --panel-alt:#e8e8e8; --text:#000; --muted:#555;
  --link:#0000ee; --visited:#551a8b; --border-light:#fff; --border-dark:#404040;
  --correct:#176617; --error:#b00020; --cursor:#000080; --highlight:#ffffcc;
  --ui-font:Arial,Helvetica,sans-serif; --typing-font:Georgia,"Times New Roman",serif;
  --typing-size:24px; --typing-leading:1.65; --typing-spacing:0px; --typing-width:850px;
}
* { box-sizing:border-box; }
html { background:var(--page-bg); color:var(--text); font-family:var(--ui-font); }
body { margin:0; min-height:100vh; font-size:14px; }
a { color:var(--link); text-decoration:underline; cursor:pointer; }
a:visited { color:var(--visited); }
.skip { position:absolute; left:-9999px; }
.skip:focus { left:8px; top:8px; z-index:99; background:var(--panel-bg); padding:8px; }
#site { width:min(1120px,calc(100% - 24px)); margin:10px auto; }
header, main, footer { background:var(--panel-bg); border:2px solid; border-color:var(--border-light) var(--border-dark) var(--border-dark) var(--border-light); padding:12px; }
.masthead { display:flex; justify-content:space-between; gap:20px; align-items:flex-start; }
h1,h2,h3 { margin-top:0; }
h1 { font-family:"Courier New",monospace; letter-spacing:2px; margin-bottom:2px; font-size:25px; }
h1 a { color:var(--text); text-decoration:none; }
.tagline,.muted { color:var(--muted); }
.tagline { margin:0 0 8px; }
nav { background:var(--panel-alt); border:1px solid var(--border-dark); padding:7px; display:flex; gap:0; flex-wrap:wrap; }
nav a { padding:2px 10px; border-right:1px solid var(--border-dark); }
main { margin-top:8px; min-height:500px; }
footer { margin-top:8px; font-size:12px; color:var(--muted); }
#notice { min-height:0; }
#notice:not(:empty) { margin-top:8px; background:var(--highlight); border:1px solid var(--border-dark); padding:8px; }
.panel { border:1px solid var(--border-dark); padding:12px; margin-bottom:14px; background:var(--panel-bg); }
.panel > h2,.panel > h3 { background:var(--panel-alt); border-bottom:1px solid var(--border-dark); margin:-12px -12px 12px; padding:6px 10px; font-size:16px; }
.grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:12px; }
.book { border:1px solid var(--border-dark); padding:10px; background:var(--panel-bg); }
.book h3 { margin:0 0 3px; font-family:var(--typing-font); }
.book-actions,.button-row { display:flex; flex-wrap:wrap; gap:6px; margin-top:10px; }
button,.button,input,select { font:inherit; color:#000; background:#ddd; border:2px solid; border-color:#fff #444 #444 #fff; border-radius:0; padding:4px 9px; }
button:active,.button:active { border-color:#444 #fff #fff #444; }
button.primary { font-weight:bold; background:#d7e5ff; }
button.danger { background:#f3c7c7; }
button:disabled { color:#777; }
input,select { background:#fff; border-width:1px; border-color:#444; color:#000; }
input[type="number"] { width:90px; }
label { line-height:1.7; }
fieldset { border:1px solid var(--border-dark); margin:10px 0; }
legend { font-weight:bold; }
table { width:100%; border-collapse:collapse; }
.table-scroll { overflow-x:auto; }
th,td { border:1px solid var(--border-dark); padding:5px 7px; text-align:left; }
th { background:var(--panel-alt); }
progress { width:100%; height:18px; accent-color:var(--cursor); }
.stats { display:grid; grid-template-columns:repeat(auto-fit,minmax(110px,1fr)); gap:1px; background:var(--border-dark); border:1px solid var(--border-dark); margin:10px 0; }
.stat { text-align:center; background:var(--panel-alt); padding:8px; }
.stat strong { display:block; font-size:19px; }
.typing-shell { max-width:var(--typing-width); margin:0 auto; }
.typing-head { display:flex; justify-content:space-between; align-items:flex-start; gap:12px; }
.typing-text { position:relative; font-family:var(--typing-font); font-size:var(--typing-size); line-height:var(--typing-leading); letter-spacing:var(--typing-spacing); word-spacing:calc(var(--typing-spacing) * -1); white-space:pre-wrap; overflow-wrap:break-word; padding:18px; height:clamp(320px,52vh,600px); overflow-y:auto; overflow-anchor:none; overscroll-behavior:contain; border:1px solid var(--border-dark); background:var(--panel-bg); cursor:text; }
.typing-text .done { color:var(--correct); }
.typing-text .cursor { background:var(--cursor); color:var(--panel-bg); }
.typing-text .ahead { color:var(--muted); }
.typing-text .wrong { background:var(--error); color:#fff; }
.typing-text .typed-wrong { background:var(--error); color:#fff; text-decoration:underline; text-decoration-style:wavy; }
.typing-capture { position:fixed; top:0; left:0; opacity:0; pointer-events:none; width:1px; height:1px; }
body.typing-active { height:100dvh; overflow:hidden; }
body.typing-active #site { height:100dvh; margin:0 auto; display:flex; flex-direction:column; }
body.typing-active header,body.typing-active footer { display:none; }
body.typing-active main { flex:1; min-height:0; margin:0; padding:10px; overflow:hidden; }
body.typing-active .typing-shell { height:100%; display:flex; flex-direction:column; }
body.typing-active .typing-text { flex:1; min-height:0; height:auto; }
.error { color:var(--error); font-weight:bold; }
.success { color:var(--correct); }
.meter-label { display:flex; justify-content:space-between; }
dialog { background:var(--panel-bg); color:var(--text); border:2px solid var(--border-dark); min-width:min(360px,90vw); }
dialog::backdrop { background:#0008; }
.theme-swatch { width:22px; height:22px; display:inline-block; border:1px solid #000; vertical-align:middle; }
.form-grid { display:grid; grid-template-columns:minmax(140px,220px) minmax(180px,1fr); gap:8px 14px; align-items:center; max-width:700px; }
.form-grid input:not([type="range"]),.form-grid select { width:100%; }
.import-grid { margin-bottom:8px; }
.paste-editor { width:100%; min-height:220px; resize:vertical; padding:10px; border:1px solid var(--border-dark); border-radius:0; background:var(--panel-bg); color:var(--text); font:15px/1.5 var(--typing-font); }
.library-tools { display:flex; flex-wrap:wrap; gap:7px 10px; align-items:center; padding:8px; margin:10px 0 14px; border:1px solid var(--border-dark); background:var(--panel-alt); }
.library-tools input { width:min(320px,100%); }
.library-tools #library-count { margin-left:auto; }
.admin-filter { width:min(420px,100%); }
.book-editor { width:100%; min-height:55vh; resize:vertical; padding:10px; border:1px solid var(--border-dark); border-radius:0; background:var(--panel-bg); color:var(--text); font:15px/1.5 var(--typing-font); }
.badge { border:1px solid var(--border-dark); background:var(--panel-alt); padding:2px 5px; font-size:11px; }
.profile-name { font-family:"Courier New",monospace; letter-spacing:1px; }
.share-link { width:min(560px,100%); }
.score-book-field { display:block; width:100%; }
#score-book { display:block; width:100%; max-width:100%; min-width:0; margin-top:2px; }
.choice-list label { display:block; padding:3px; }
.result-box { max-width:650px; margin:30px auto; text-align:center; }
kbd { border:1px solid var(--border-dark); background:var(--panel-alt); padding:1px 4px; }
@media (max-width:650px) {
  #site { width:100%; margin:0; } header,main,footer { border-left:0;border-right:0; }
  .masthead,.typing-head { display:block; } nav a { padding:5px 8px; }
  .form-grid { grid-template-columns:1fr; gap:2px; }
  .typing-text { padding:10px; font-size:min(var(--typing-size),22px); height:50vh; }
  th:nth-child(4),td:nth-child(4) { display:none; }
}