/* ============================================================
   QUIZ TERMINAL — page styles (overrides cyber-core where needed)
   ============================================================ */

body{
  padding: 20px 12px 40px;
}
.page-head{
  width: min(100% - 16px, 900px);
  margin: 0 auto 8px;
  text-align: center;
}

/* Nested wrap fix: outer header + main */
.wrap{
  width: min(100% - 16px, 900px);
  max-width: 900px;
  margin-inline: auto;
  display: block;
  padding-block: 0;
  gap: 0;
}
main.wrap,
main{
  display: block;
  padding: 10px 0 80px;
  width: min(100%, 900px);
  margin-inline: auto;
}

.school{
  text-align: center;
  color: var(--green);
  font-size: 12px;
  letter-spacing: 2px;
  margin-top: 8px;
  text-transform: uppercase;
}
.school b{ color: var(--cyan); }
.headmeta{
  text-align: center;
  color: var(--dim);
  font-size: 11px;
  margin-top: 6px;
  letter-spacing: 1px;
  line-height: 1.5;
}

/* Screens */
.screen{ display: none; }
.screen.active{
  display: block;
  animation: fadeIn .35s ease;
}
@keyframes fadeIn{
  from{ opacity: 0; transform: translateY(12px); }
  to{ opacity: 1; transform: none; }
}

/* Panel */
.panel{
  background: var(--panel);
  border: 1px solid var(--line2);
  padding: 22px;
  position: relative;
  margin-bottom: 18px;
}
h2.sec{
  font-family: var(--disp);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 2px;
  color: var(--neon);
  margin-bottom: 14px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
}
h2.sec i{ color: var(--cyan); }

/* Forms */
.frow{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
input:invalid{ border-color: var(--mag); }

/* Mode selector */
.mode-row{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 8px 0 16px;
}
.mode-btn{
  display: flex !important;
  flex-direction: column !important;
  align-items: center;
  justify-content: center;
  gap: 6px !important;
  padding: 16px 12px !important;
  height: auto !important;
  min-height: 88px;
  white-space: normal;
  text-align: center;
  line-height: 1.35;
}
.mode-btn.on{
  border-color: var(--green) !important;
  color: var(--green) !important;
  box-shadow: 0 0 0 1px rgba(0,255,159,.25);
}
.mode-btn small{
  font-size: 10px;
  letter-spacing: 0.5px;
  opacity: .85;
  font-weight: 400;
  text-transform: none;
}

/* Instructions */
.instr{
  margin: 10px 0 0 18px;
  color: var(--txt);
  font-size: 13px;
  line-height: 1.75;
}
.instr li{ margin-bottom: 4px; }
.instr b{ color: var(--cyan); }
.sumtable{
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0 14px;
  font-size: 13px;
}
.sumtable td{
  padding: 8px 10px;
  border: 1px solid var(--line);
}
.sumtable td:first-child{
  width: 140px;
  color: var(--dim);
  letter-spacing: 1px;
  font-size: 11px;
}

/* Sticky bar during quiz */
.sticky{
  display: flex !important;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  grid-template-columns: none !important;
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(6,8,10,.96);
  border: 1px solid var(--line2);
  padding: 10px 14px;
  margin-bottom: 14px;
  clip-path: polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
}
.timer{
  font-size: 22px;
  font-weight: 700;
  color: var(--neon);
  letter-spacing: 2px;
  min-width: 90px;
  font-variant-numeric: tabular-nums;
}
.timer.warn{ color: var(--amber); }
.timer.danger{ color: var(--mag); animation: pulse 1s infinite; }
@keyframes pulse{
  50%{ opacity: .55; }
}
.progbar,.pbar,.progwrap{
  flex: 1;
  min-width: 120px;
}
.progwrap{ display: flex; flex-direction: column; gap: 4px; }
.progbar,.pbar{
  height: 10px;
  background: var(--panel2);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.progFill,.pfill,#progFill{
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  transition: width .25s ease;
}
.progtext{
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 1px;
  min-width: 110px;
}

/* Question cards */
.qcard{
  background: var(--panel);
  border: 1px solid var(--line2);
  padding: 18px 18px 14px;
  margin-bottom: 14px;
  position: relative;
}
.qhead{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
}
.qnum{
  color: var(--mag);
  font-weight: 700;
  letter-spacing: 1px;
  font-size: 12px;
}
.qtag,.qdiff,.qbobot,.qtopic{
  font-size: 10px;
  letter-spacing: 1px;
  padding: 3px 8px;
  border: 1px solid var(--line2);
  color: var(--dim);
  text-transform: uppercase;
}
.qtag.mc{ color: var(--cyan); border-color: rgba(0,240,255,.35); }
.qtag.tf{ color: var(--amber); border-color: rgba(255,159,28,.35); }
.qtag.case{ color: var(--mag); border-color: rgba(255,42,109,.35); }
.qdiff.easy{ color: var(--green); }
.qdiff.med{ color: var(--amber); }
.qdiff.hard{ color: var(--mag); }
.qbobot{ color: var(--neon); }
.qtopic{ color: var(--purple); max-width: 100%; }
.qtx{
  font-size: 14px;
  line-height: 1.55;
  margin: 8px 0 12px;
  color: #e8eef4;
}

/* Options */
.opts{
  display: grid;
  gap: 9px;
}
.opt{
  display: flex;
  gap: 12px;
  align-items: flex-start;
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  background: var(--panel2);
  border: 1px solid var(--line2);
  color: var(--txt);
  cursor: pointer;
  font: 13px/1.45 var(--mono);
  transition: border-color .15s ease, transform .15s ease;
  clip-path: polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px);
}
.opt:hover:not(:disabled){
  border-color: var(--cyan);
  transform: translateX(2px);
}
.opt.sel{
  border-color: var(--neon);
  background: rgba(252,238,10,.06);
  color: #fff;
}
.opt .key{
  min-width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line2);
  color: var(--cyan);
  font-weight: 700;
  font-size: 12px;
  flex-shrink: 0;
}
.opt.sel .key{
  background: var(--neon);
  color: #000;
  border-color: var(--neon);
}
.pexp{
  margin-top: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line2);
  background: rgba(0,240,255,.04);
  font-size: 12px;
  line-height: 1.5;
  color: var(--txt);
}

/* Nav chips */
.chips{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(48px, 1fr));
  gap: 8px;
  margin: 12px 0;
}
.chip{
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line2);
  background: var(--panel2);
  color: var(--dim);
  font: 700 12px var(--mono);
  cursor: pointer;
  transition: border-color .15s ease, color .15s ease;
}
.chip:hover{ border-color: var(--cyan); color: var(--cyan); }
.chip.done{ border-color: var(--green); color: var(--green); }
.chip.cur{ border-color: var(--neon); color: var(--neon); box-shadow: 0 0 0 1px rgba(252,238,10,.3); }

/* Review / result */
.unansbox{
  padding: 12px 14px;
  border: 1px solid var(--mag);
  background: rgba(255,42,109,.06);
  margin-bottom: 14px;
  font-size: 13px;
  line-height: 1.5;
}
.unansbox.ok{
  border-color: var(--green);
  background: rgba(0,255,159,.06);
}
.statrow{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 12px;
  margin: 16px 0;
}
.stat{
  background: var(--panel2);
  border: 1px solid var(--line2);
  padding: 14px 12px;
  text-align: center;
}
.stat .n{
  font-size: 22px;
  font-weight: 700;
  color: var(--neon);
  font-variant-numeric: tabular-nums;
}
.stat .l{
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--dim);
  margin-top: 4px;
  text-transform: uppercase;
}
.rvq{
  background: var(--panel);
  border: 1px solid var(--line2);
  padding: 14px;
  margin-bottom: 12px;
}
.rvq .rvh{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 11px;
  margin-bottom: 8px;
  color: var(--dim);
}
.rvmark.m{ color: var(--mag); font-weight: 700; }
.rvline{ font-size: 12px; margin-top: 6px; line-height: 1.45; }
.rekobox{
  padding: 12px 14px;
  border: 1px dashed var(--amber);
  background: rgba(255,159,28,.06);
  margin: 12px 0;
  font-size: 13px;
  line-height: 1.5;
}

/* Signature */
.signwrap{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.signbox{
  background: var(--panel2);
  border: 1px solid var(--line2);
  padding: 12px;
  position: relative;
}
.signbox h3{
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--cyan);
  margin-bottom: 8px;
  text-transform: uppercase;
}
.signbox canvas{
  width: 100%;
  height: 140px;
  background: #fff;
  cursor: crosshair;
  touch-action: none;
  display: block;
}
.padbtns{
  display: flex;
  gap: 8px;
  margin-top: 10px;
  flex-wrap: wrap;
}
.lockmsg{
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(6,8,10,.85);
  z-index: 2;
  text-align: center;
  padding: 16px;
  font-size: 12px;
  gap: 10px;
}
.signstat{
  font-size: 11px;
  margin-top: 6px;
  color: var(--dim);
}
.signstat.ok{ color: var(--green); }

/* Actions row */
.acts{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

/* Modal */
.mov{
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(0,0,0,.72);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.mov.show{ display: flex; }
.mbox{
  background: var(--panel);
  border: 1px solid var(--line2);
  padding: 22px;
  max-width: 420px;
  width: 100%;
  position: relative;
}
.mbox h3{
  font-family: var(--disp);
  color: var(--neon);
  font-size: 16px;
  letter-spacing: 2px;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.mbox p{
  font-size: 13px;
  line-height: 1.55;
  color: var(--txt);
  margin-bottom: 16px;
}
.mbox .mbtns{
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

/* Report (screen + print helpers kept in JS) */
#reportArea{
  background: #fff;
  color: #161a1e;
  font-family: var(--mono);
  max-width: 820px;
  margin: 20px auto;
  padding: 30px 34px;
  font-size: 12px;
  line-height: 1.55;
}

/* Responsive */
@media (max-width: 680px){
  body{ padding: 12px 8px 32px; font-size: 13px; }
  .frow, .signwrap, .mode-row{ grid-template-columns: 1fr; }
  .panel{ padding: 16px; }
  .sticky{
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .timer{ font-size: 20px; text-align: center; }
  .progtext{ text-align: center; }
  .qtopic{ margin-left: 0; width: 100%; }
}

/* Performance */
#qList{content-visibility:auto;contain-intrinsic-size:1px 2400px}
.qcard{content-visibility:auto;contain-intrinsic-size:auto 220px;contain:layout style}
.opt,.chip,.btn{touch-action:manipulation}
.scanlines,.glow{will-change:auto}
@media(prefers-reduced-motion:reduce){
 .screen.active{animation:none}
 .timer.danger{animation:none}
}


/* Touch + responsive quiz overrides */
.opt{
  min-height:48px;
  padding:14px 16px;
  gap:14px;
}
.chip{
  min-width:44px;
  min-height:44px;
  font-size:13px;
}
.sticky{
  display:flex !important;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  padding:10px 12px;
  padding-top:max(10px, env(safe-area-inset-top, 0px));
  top:0;
}
.timer{ font-size:clamp(18px,5vw,24px); min-width:88px; }
.signbox canvas{
  width:100%;
  height:min(160px,28vh);
  touch-action:none;
  max-width:100%;
}
.mode-row{ gap:12px; }
@media (max-width:480px){
  .mode-row{ grid-template-columns:1fr; }
  .sticky{ flex-direction:column; align-items:stretch; }
  .timer{ text-align:center; width:100%; }
  .progtext{ text-align:center; }
  .acts{ grid-template-columns:1fr; }
  .signwrap{ grid-template-columns:1fr; }
  .frow{ grid-template-columns:1fr; }
  .qhead{ gap:6px; }
  .qtopic{ width:100%; }
}
@media (min-width:481px) and (max-width:760px){
  .mode-row{ grid-template-columns:1fr 1fr; }
  .signwrap{ grid-template-columns:1fr; }
}
@media (pointer:coarse){
  .opt:active:not(:disabled){ border-color:var(--cyan); }
  .chip:active{ border-color:var(--neon); color:var(--neon); }
}

/* Mobile quiz paint */
@media (max-width:760px){
  .qcard{ content-visibility:auto; contain-intrinsic-size:auto 180px; }
  .opt{ transition:border-color .12s ease; }
  .sticky{ backdrop-filter:none; }
}