*{box-sizing:border-box}
body{margin:0;background:#f5f6f8;color:#222;font-family:system-ui,-apple-system,"Segoe UI",sans-serif}
.wrap{max-width:760px;margin:0 auto;padding:18px}
.card{background:#fff;border-radius:18px;padding:20px;margin:12px 0;box-shadow:0 4px 18px rgba(0,0,0,.07)}
h1{font-size:28px;margin:4px 0 18px}
h2{font-size:21px;margin:0 0 12px}
p{line-height:1.65}
input[type=text]{width:100%;font-size:18px;padding:14px;border:1px solid #ccc;border-radius:12px}
button,.btn{display:inline-block;border:0;border-radius:12px;padding:13px 18px;font-size:17px;font-weight:700;background:#222;color:#fff;text-decoration:none;cursor:pointer}
.btn.sub{background:#666}
.btn.danger{background:#a51d2d}
.btn.full,button.full{width:100%}
.grid{display:grid;gap:10px}
.choice{display:block;width:100%;text-align:left;padding:15px;border:2px solid #ddd;border-radius:14px;background:#fff;font-size:17px;color:#222}
.choice input{margin-right:10px}
.meta{color:#666;font-size:14px}
.big{font-size:34px;font-weight:800}
.bar{height:28px;background:#eee;border-radius:999px;overflow:hidden}
.bar>div{height:100%;background:#333}
.result-row{margin:15px 0}
.result-head{display:flex;justify-content:space-between;gap:10px}
.names{font-size:14px;color:#555;margin-top:5px}
.qr{text-align:center}
.qr img{max-width:280px;width:90%;height:auto}
.row{display:flex;gap:10px;flex-wrap:wrap}
.row>*{flex:1}
.notice{padding:12px;border-radius:12px;background:#fff4cf}
.ok{padding:12px;border-radius:12px;background:#e8f8e8}
table{width:100%;border-collapse:collapse}
th,td{padding:9px;border-bottom:1px solid #ddd;text-align:left}
@media(max-width:600px){.wrap{padding:12px}.card{padding:16px}h1{font-size:24px}}


/* v1.0.2 result presentation */
.result-card{overflow:hidden}
.result-row{margin:18px 0}
.result-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-end}
.result-label{font-weight:800}
.result-percent{font-size:20px;font-weight:900;white-space:nowrap}
.bar{height:32px;background:#eceff3;border-radius:999px;overflow:hidden;box-shadow:inset 0 1px 3px rgba(0,0,0,.08)}
.bar>div{height:100%;width:0;border-radius:999px;transition:width 900ms cubic-bezier(.2,.8,.2,1)}
.bar-a{background:#ef5350!important}
.bar-b{background:#42a5f5!important}
.bar-c{background:#66bb6a!important}
.bar-d{background:#ffa726!important}
.choice-a{color:#d83b39}
.choice-b{color:#2587d8}
.choice-c{color:#3d9945}
.choice-d{color:#e28616}
.names{
  display:none;
  margin-top:8px;
  padding:10px 12px;
  border-radius:10px;
  background:#f7f7f8;
  font-size:15px;
  color:#444
}
.result-controls{
  position:sticky;
  bottom:10px;
  background:rgba(245,246,248,.96);
  backdrop-filter:blur(6px);
  border-radius:16px;
  padding:12px;
  box-shadow:0 4px 20px rgba(0,0,0,.12)
}
.result-controls .row{margin-top:8px}
.btn.secondary{background:#555}
.btn.reveal{background:#7b3fc6}
.btn.next{background:#222}
.btn.finish{background:#167a3f}
.hidden{display:none!important}
.fade-in{animation:fadeIn .35s ease}
@keyframes fadeIn{
  from{opacity:0;transform:translateY(8px)}
  to{opacity:1;transform:translateY(0)}
}
.end-panel{text-align:center;padding:30px 16px}
.end-panel .big{margin:10px 0}


/* v1.0.3 iPad/tablet presentation */
.presentation-body{background:#eef1f5}
.presentation-wrap{max-width:1180px;padding:20px 24px 120px}
.presentation-header{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:14px}
.presentation-title{font-size:34px;font-weight:900;letter-spacing:.02em}
.presentation-group{font-size:18px;color:#666;margin-top:3px}
.presentation-summary{font-size:18px;font-weight:800;background:#fff;padding:10px 16px;border-radius:999px;box-shadow:0 3px 12px rgba(0,0,0,.06)}
.tablet-card{padding:28px 34px;border-radius:24px}
.question-number{font-size:20px;font-weight:900;letter-spacing:.08em;color:#555}
.question-number span{font-size:15px;color:#888}
.question-title{font-size:32px;line-height:1.35;margin:8px 0 24px}
.tablet-card .result-row{margin:20px 0}
.tablet-card .result-label{font-size:22px;display:flex;align-items:center;gap:12px}
.tablet-card .result-percent{font-size:25px}
.choice-badge{display:inline-flex;align-items:center;justify-content:center;min-width:48px;height:42px;padding:0 10px;border-radius:12px;color:#fff;font-weight:900}
.badge-a{background:#ef5350}.badge-b{background:#42a5f5}.badge-c{background:#66bb6a}.badge-d{background:#ffa726}
.tablet-bar{height:38px}
.tablet-names{font-size:18px;padding:12px 15px}
.winner-row{transform:scale(1.008);transform-origin:left center}
.winner-row .result-percent{font-size:29px}
.winner-badge{min-width:82px}
.result-comment{text-align:center;font-size:24px;font-weight:900;margin-top:18px;padding:12px;border-radius:14px;background:#fff7d7}
.tablet-controls{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);width:min(1120px,calc(100% - 32px));display:grid;grid-template-columns:1.2fr .7fr 1fr auto;gap:12px;z-index:20}
.tablet-btn{min-height:58px;font-size:20px}
.sound-toggle{width:58px;min-height:58px;border:0;border-radius:14px;background:#fff;font-size:25px;box-shadow:0 2px 8px rgba(0,0,0,.1)}
.name-pop{animation:namePop .35s ease both}
@keyframes namePop{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.final-icon{font-size:70px}
.finish-card{text-align:center}
.time-result{margin:24px 0}
.finish-time{font-size:52px;font-weight:900}
.indecision-box{max-width:520px;margin:0 auto;padding:20px;border-radius:18px;background:#f7f7f9}
.indecision-value{font-size:54px;font-weight:900}
.indecision-meter{height:24px;background:#e3e5e8;border-radius:999px;overflow:hidden;margin:10px 0 18px}
.indecision-meter>div{height:100%;background:linear-gradient(90deg,#55b8ff,#ffb347,#ff6767);border-radius:999px}
.participant-finish{max-width:650px}

@media (orientation:landscape) and (min-width:800px){
  .presentation-wrap{padding-top:14px}
  .tablet-card{padding:22px 32px}
  .question-title{font-size:30px;margin-bottom:16px}
  .tablet-card .result-row{margin:14px 0}
  .tablet-bar{height:34px}
  .tablet-names{font-size:16px;padding:8px 12px}
}
@media(max-width:760px){
  .presentation-header{display:block}
  .presentation-summary{margin-top:10px;display:inline-block}
  .presentation-title{font-size:26px}
  .tablet-card{padding:18px}
  .question-title{font-size:24px}
  .tablet-card .result-label{font-size:17px}
  .tablet-card .result-percent{font-size:19px}
  .tablet-controls{grid-template-columns:1fr 1fr}
  .sound-toggle{width:100%}
}


/* v1.0.4 final speed ranking */
.final-surprise-btn{
  margin-top:22px;
  min-width:260px;
  min-height:62px;
  font-size:22px;
  background:#7b3fc6;
  animation:softPulse 1.7s ease-in-out infinite;
}
@keyframes softPulse{
  0%,100%{transform:scale(1)}
  50%{transform:scale(1.035)}
}
.ranking-panel{padding-bottom:30px}
.ranking-kicker{text-align:center;font-size:20px;font-weight:800;color:#7b3fc6;letter-spacing:.08em}
.ranking-title{text-align:center;font-size:34px;margin:5px 0 5px}
.ranking-note{text-align:center;color:#666;margin-bottom:22px}
.ranking-list{display:grid;gap:10px}
.ranking-row{
  display:grid;
  grid-template-columns:90px 1fr 150px;
  align-items:center;
  gap:14px;
  background:#f7f8fa;
  border-radius:16px;
  padding:14px 18px;
  opacity:0;
  animation:rankIn .45s ease forwards;
}
.ranking-row:nth-child(1){
  background:#fff7d7;
  transform:scale(1.01);
  box-shadow:0 3px 14px rgba(0,0,0,.07)
}
.ranking-rank{font-size:24px;font-weight:900;text-align:center}
.ranking-name{font-size:22px;font-weight:900}
.ranking-type{font-size:14px;color:#666;margin-top:2px}
.ranking-time{text-align:right;font-size:26px;font-weight:900;white-space:nowrap}
@keyframes rankIn{
  from{opacity:0;transform:translateY(12px)}
  to{opacity:1;transform:translateY(0)}
}
@media(max-width:760px){
  .ranking-row{grid-template-columns:65px 1fr 95px;padding:12px 10px;gap:8px}
  .ranking-rank{font-size:19px}
  .ranking-name{font-size:18px}
  .ranking-time{font-size:19px}
  .ranking-type{font-size:12px}
  .ranking-title{font-size:27px}
}


/* v1.0.5 participant secret reveal */
.secret-wait-btn{
  min-width:280px;
  min-height:62px;
  font-size:19px;
  background:#a5a8ad!important;
  cursor:default;
  opacity:.9;
}
.wait-note{margin-top:12px}
.ready-message{
  font-size:22px;
  font-weight:900;
  margin-top:24px
}
.secret-ready-btn{
  min-width:280px;
  min-height:66px;
  font-size:24px;
  background:#7b3fc6!important;
  animation:secretPulse 1.25s ease-in-out infinite;
}
@keyframes secretPulse{
  0%,100%{transform:scale(1);box-shadow:0 4px 14px rgba(123,63,198,.25)}
  50%{transform:scale(1.04);box-shadow:0 6px 26px rgba(123,63,198,.42)}
}
.secret-reveal-title{
  font-size:28px;
  font-weight:900;
  margin:10px 0 22px;
}
.secret-pop{
  animation:secretPop .55s cubic-bezier(.2,.9,.2,1)
}
@keyframes secretPop{
  from{opacity:0;transform:scale(.92) translateY(12px)}
  to{opacity:1;transform:scale(1) translateY(0)}
}


/* v1.2.0 category selector */
.setting-block{
  margin:24px 0;
  padding:18px;
  border-radius:16px;
  background:#f7f8fa
}
.setting-block h2{margin-top:0}
.mode-option{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px;
  margin:10px 0;
  border:2px solid #e0e3e7;
  border-radius:14px;
  background:#fff;
  cursor:pointer
}
.mode-option input{margin-top:5px;transform:scale(1.25)}
.mode-option span{display:block}
.mode-option strong{display:block;font-size:18px}
.mode-option small{display:block;color:#666;margin-top:3px;line-height:1.4}
.category-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:8px;
  margin:10px 0 18px;
  transition:opacity .2s
}
.category-chip{
  display:block;
  position:relative;
  cursor:pointer
}
.category-chip input{
  position:absolute;
  opacity:0;
  pointer-events:none
}
.category-chip span{
  display:block;
  padding:11px 12px;
  border:2px solid #ddd;
  border-radius:12px;
  text-align:center;
  font-weight:800;
  background:#fff
}
.category-chip input:checked + span{
  border-color:#222;
  background:#222;
  color:#fff
}
.category-disabled{
  opacity:.38;
  pointer-events:none
}
.setting-summary{
  padding:12px 14px;
  background:#eef1f5;
  border-radius:12px;
  margin:16px 0
}
@media(min-width:700px){
  .category-grid{grid-template-columns:repeat(5,1fr)}
}


/* v1.3.0 event presentation */
.name-size-options{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:10px;
}
.name-size-option{
  position:relative;
  cursor:pointer
}
.name-size-option input{
  position:absolute;
  opacity:0;
}
.name-size-option span{
  display:block;
  padding:14px 10px;
  border:2px solid #ddd;
  border-radius:14px;
  text-align:center;
  background:#fff
}
.name-size-option strong{display:block;font-size:18px}
.name-size-option small{display:block;color:#666;margin-top:4px}
.name-size-option input:checked + span{
  border-color:#222;
  background:#222;
  color:#fff
}
.name-size-option input:checked + span small{color:#ddd}

.name-size-normal .tablet-names{font-size:18px}
.name-size-large .tablet-names{font-size:28px;font-weight:800;line-height:1.45}
.name-size-xlarge .tablet-names{font-size:40px;font-weight:900;line-height:1.5;letter-spacing:.02em}

.home-btn{
  display:inline-block;
  margin-top:18px;
  margin-left:10px;
  background:#666!important;
}
.ranking-home-btn{
  display:block;
  max-width:320px;
  margin:24px auto 0!important;
  text-align:center
}

.wait-main{font-size:20px;font-weight:700;line-height:1.7}
.lock-icon,.unlock-icon{font-size:52px;margin:18px 0 10px}
.secret-wait-btn{
  min-width:280px;
  min-height:62px;
  font-size:19px;
  background:#a5a8ad!important;
  cursor:default;
  opacity:.95
}
.wait-note{margin-top:12px}
.ready-message{font-size:24px;font-weight:900}
.secret-ready-btn{
  min-width:280px;
  min-height:68px;
  font-size:24px;
  background:#7b3fc6!important;
  animation:secretPulse 1.25s ease-in-out infinite
}
@keyframes secretPulse{
  0%,100%{transform:scale(1);box-shadow:0 4px 14px rgba(123,63,198,.25)}
  50%{transform:scale(1.045);box-shadow:0 8px 28px rgba(123,63,198,.42)}
}
.secret-reveal-title{font-size:30px;font-weight:900;line-height:1.4;margin:16px 0 22px}
.secret-pop{animation:secretPop .55s cubic-bezier(.2,.9,.2,1)}
@keyframes secretPop{
  from{opacity:0;transform:scale(.92) translateY(12px)}
  to{opacity:1;transform:scale(1) translateY(0)}
}

.confetti-layer{
  position:fixed;
  inset:0;
  pointer-events:none;
  overflow:hidden;
  z-index:9999
}
.confetti-piece{
  position:absolute;
  top:-20px;
  width:10px;
  height:18px;
  border-radius:2px;
  animation:confettiFall linear forwards
}
@keyframes confettiFall{
  0%{transform:translateY(-20px) rotate(0deg);opacity:1}
  100%{transform:translateY(110vh) rotate(720deg);opacity:.1}
}

@media(max-width:760px){
  .name-size-options{grid-template-columns:1fr}
  .name-size-xlarge .tablet-names{font-size:28px}
}

/* v1.3.1 */
.answer-progress-card{margin:18px 0;padding:16px 18px;border-radius:16px;background:#f4f6f8;text-align:center}
.answer-progress-value{font-size:22px;font-weight:800}
.answer-progress-value strong{font-size:30px}
.answer-progress-bar{height:10px;background:#dfe3e8;border-radius:999px;overflow:hidden;margin-top:12px}
.answer-progress-bar>div{height:100%;width:0;background:currentColor;border-radius:999px;transition:width .35s ease}