:root{
 --purple:#6f3aa3;--purple-dark:#51277a;--purple-soft:#f1eaf7;--purple-faint:#faf7fc;
 --bg:#f7f5f8;--card:#fff;--text:#403b43;--muted:#776f7b;--line:#e3dbe8;
 --danger:#b42318;--ok:#267a46;--shadow:0 12px 35px rgba(75,45,94,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
button,input,textarea{font:inherit}
.site-header{background:linear-gradient(135deg,#fff 0%,#fbf8fd 62%,#eadff2 100%);border-bottom:6px solid var(--purple);padding:16px 20px}
.header-inner{max-width:1050px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:18px}
.header-brand{display:flex;align-items:center;gap:18px;min-width:0}
.site-logo{width:128px;height:128px;object-fit:contain;display:block;border-radius:15px;flex:0 0 auto}
.header-copy h1{margin:0 0 7px;font:700 clamp(1.7rem,4vw,2.8rem)/1 Georgia,"Times New Roman",serif;color:#4d484f}
.header-copy p{margin:0;color:var(--muted);line-height:1.45;max-width:570px}
.admin-gear{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border:1px solid var(--line);background:#fff;border-radius:50%;text-decoration:none;font-size:1.3rem;box-shadow:0 4px 14px #0001;flex:0 0 auto}

.survey-shell{max-width:790px;margin:auto;padding:22px 18px 45px}
.survey-intro{text-align:center;margin-bottom:20px}
.survey-intro h2{margin:0 0 7px;color:var(--purple-dark);font:700 2rem Georgia,serif}
.survey-intro p{margin:0;color:var(--muted)}
.progress-wrap{background:#fff;border:1px solid var(--line);border-radius:15px;padding:13px 15px;margin-bottom:16px}
.progress-top{display:flex;justify-content:space-between;margin-bottom:9px;color:var(--muted);font-size:.92rem}
.progress-track{height:10px;border-radius:999px;background:#ece6ef;overflow:hidden}
.progress-bar{height:100%;background:linear-gradient(90deg,var(--purple),#9670b5);border-radius:999px;transition:width .2s}
.question-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:clamp(22px,5vw,34px);box-shadow:var(--shadow);min-height:420px;display:flex;flex-direction:column}
.step{display:none}
.step.active{display:flex;flex-direction:column;flex:1}
.step-number{color:var(--purple);font-size:.82rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px}
.question-title{margin:0 0 10px;color:#4a434d;font:700 clamp(1.5rem,4vw,2.05rem)/1.2 Georgia,serif}
.question-help{margin:0 0 21px;color:var(--muted);line-height:1.5}
.choice-grid{display:grid;gap:11px}
.choice{position:relative;display:block}
.choice input{position:absolute;opacity:0;pointer-events:none}
.choice span{display:flex;align-items:center;min-height:60px;padding:14px 17px;background:#fff;border:2px solid var(--line);border-radius:14px;font-weight:700;cursor:pointer;transition:.15s}
.choice span:hover{border-color:#bda5cc;background:var(--purple-faint)}
.choice input:checked+span{border-color:var(--purple);background:var(--purple-soft);color:var(--purple-dark);box-shadow:0 0 0 3px rgba(111,58,163,.08)}
.rating-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:9px}
.rating-grid .choice span{justify-content:center;min-height:67px;font-size:1.25rem}
.rating-labels{display:flex;justify-content:space-between;color:var(--muted);font-size:.84rem;margin-top:8px}
textarea{width:100%;min-height:175px;resize:vertical;padding:15px;border:2px solid var(--line);border-radius:14px;outline:none}
textarea:focus,input:focus{border-color:var(--purple);box-shadow:0 0 0 3px rgba(111,58,163,.09)}
.nav-row{display:flex;justify-content:space-between;gap:10px;margin-top:auto;padding-top:27px}
.btn,.button{border:0;border-radius:13px;padding:14px 19px;font-weight:800;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;min-height:49px}
.btn-primary,.button.primary{background:var(--purple);color:#fff}
.btn-secondary,.button.secondary{background:#ece8ef;color:#4d4650}
.btn-danger,.button.danger{background:var(--danger);color:#fff}
.validation-error{display:none;margin:14px 0 0;color:var(--danger);font-weight:800}
.validation-error.show{display:block}

.thanks{max-width:720px;margin:35px auto;padding:0 18px}
.thanks-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px 26px;text-align:center;box-shadow:var(--shadow)}
.thanks-card h2{font:700 2rem Georgia,serif;color:var(--purple-dark);margin:7px 0}
.social-title{margin:28px 0 9px;font:700 1.5rem Georgia,serif;color:#4a434d}
.social-copy{color:var(--muted);margin:0 0 16px}
.social-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:16px 0 22px}
.social-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;min-height:92px;border:2px solid var(--line);border-radius:16px;text-decoration:none;background:var(--purple-faint);font-weight:800;color:var(--purple-dark)}
.social-btn:hover{border-color:var(--purple);background:var(--purple-soft)}
.social-icon{font-size:1.8rem}
.countdown{color:var(--purple);font-weight:900}

.admin-page main{max-width:1080px;margin:auto;padding:22px 18px 50px}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:21px;margin-bottom:17px;box-shadow:0 8px 24px rgba(72,45,91,.07)}
.topbar,.toolbar{display:flex;align-items:center;justify-content:space-between;gap:11px;flex-wrap:wrap}
.toolbar{justify-content:flex-start}
.admin-title{margin:0;color:var(--purple-dark);font:700 1.8rem Georgia,serif}
.event-badge{display:inline-block;background:var(--purple-soft);color:var(--purple-dark);border-radius:999px;padding:8px 12px;font-weight:800;font-size:.9rem}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.stat{background:var(--purple-soft);border-radius:14px;padding:16px;text-align:center}
.stat small{color:var(--muted)}
.stat strong{display:block;color:var(--purple-dark);font-size:1.75rem;margin-top:5px}
.dashboard-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}
.bar-row{display:grid;grid-template-columns:minmax(120px,1fr) 2fr 55px;gap:9px;align-items:center;margin:11px 0}
.bar-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:.9rem}
.bar-track{height:13px;background:#eee8f1;border-radius:999px;overflow:hidden}
.bar-fill{height:100%;background:linear-gradient(90deg,var(--purple),#9a70bd);border-radius:999px}
.bar-value{text-align:right;font-weight:800;font-size:.88rem}
.feedback-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}
.feedback-item{border-left:4px solid var(--purple);background:var(--purple-faint);padding:12px 14px;border-radius:8px;margin:10px 0;line-height:1.45}
.entry{padding:14px 0;border-top:1px solid var(--line)}
.entry:first-child{border-top:0}
details summary{cursor:pointer;font-weight:800;color:var(--purple-dark)}
.success{color:var(--ok);font-weight:800}.error{color:var(--danger);font-weight:800}.muted{color:var(--muted)}
.modal{position:fixed;inset:0;background:rgba(32,24,38,.62);display:flex;align-items:center;justify-content:center;padding:18px;z-index:50}
.modal.hidden{display:none}.modal-box{width:min(520px,100%);background:#fff;border-radius:20px;padding:24px;box-shadow:0 20px 60px #0005}
.modal-box input,.login-card input{width:100%;padding:13px 14px;border:2px solid var(--line);border-radius:12px}
.actions{display:grid;grid-template-columns:1fr 1fr;gap:11px;margin-top:14px}
.login-card{max-width:520px;margin:30px auto}
.backup-list{display:grid;gap:9px}
.backup-row{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:10px 0;border-top:1px solid var(--line)}
@media(max-width:800px){.site-logo{width:102px;height:102px}.dashboard-grid,.feedback-grid{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}}
@media(max-width:580px){
 .site-header{padding:11px 13px}.site-logo{width:78px;height:78px;border-radius:10px}.header-brand{gap:11px}.header-copy h1{font-size:1.5rem}.header-copy p{display:none}
 .survey-shell{padding:15px 11px 35px}.question-card{min-height:475px;padding:21px 16px}.rating-grid{gap:6px}.rating-grid .choice span{padding:10px 4px}
 .social-grid{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}.bar-row{grid-template-columns:105px 1fr 45px}
}


/* Social-Media-QR-Codes auf der Danke-Seite */
.qr-social-grid{
  align-items:stretch;
}
.social-qr-card{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:flex-start;
  gap:10px;
  padding:18px 14px;
  border:2px solid var(--line);
  border-radius:18px;
  background:var(--purple-faint);
}
.social-name{
  font:700 1.35rem Georgia,serif;
  color:var(--purple-dark);
}
.qr-code{
  width:min(190px,100%);
  height:auto;
  display:block;
  background:#fff;
  padding:8px;
  border-radius:12px;
  border:1px solid #ddd;
}
.social-handle{
  font-size:.9rem;
  color:var(--muted);
  word-break:break-word;
}
.social-open{
  color:var(--purple-dark);
  font-weight:800;
  text-decoration:none;
  border-bottom:1px solid currentColor;
}
.social-open:hover{
  color:var(--purple);
}
@media(max-width:760px){
  .qr-social-grid{
    grid-template-columns:1fr;
  }
  .social-qr-card{
    max-width:360px;
    width:100%;
    margin:auto;
  }
  .qr-code{
    width:210px;
  }
}


/* Version 1 – alle Fragen untereinander */
.stack-survey-shell{max-width:790px;margin:auto;padding:22px 18px 50px}
.stack-question-card{
 background:#fff;border:1px solid var(--line);border-radius:20px;
 padding:clamp(20px,4vw,30px);box-shadow:var(--shadow);margin-bottom:18px;
}
.stack-question-card .question-title{font-size:clamp(1.35rem,3vw,1.75rem)}
.stack-submit-card{
 background:#fff;border:1px solid var(--line);border-radius:20px;
 padding:24px;text-align:center;box-shadow:var(--shadow);margin-top:22px
}
.stack-submit{width:100%;font-size:1.08rem}
.stack-question-card textarea{min-height:145px}

/* Startseite – Versionsauswahl */
.version-picker{max-width:920px;margin:auto;padding:45px 18px}
.version-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.version-card{
 display:flex;flex-direction:column;min-height:300px;padding:30px;
 background:#fff;border:2px solid var(--line);border-radius:24px;
 box-shadow:var(--shadow);text-decoration:none;color:var(--text);transition:.18s
}
.version-card:hover{transform:translateY(-3px);border-color:#bda5cc}
.version-card.featured{border-color:var(--purple)}
.version-icon{font-size:3rem;color:var(--purple);margin-bottom:18px}
.version-card h2{font:700 2rem Georgia,serif;color:var(--purple-dark);margin:0 0 12px}
.version-card p{color:var(--muted);line-height:1.55;flex:1}
.version-cta{display:block;background:var(--purple);color:#fff;border-radius:13px;padding:14px 16px;text-align:center;font-weight:800}
.picker-note{text-align:center;color:var(--muted);max-width:700px;margin:25px auto 0;line-height:1.5}
@media(max-width:650px){.version-grid{grid-template-columns:1fr}.version-picker{padding-top:25px}.version-card{min-height:245px}}

.logo-home{display:block;flex:0 0 auto;border-radius:15px}
.logo-home:focus-visible{outline:3px solid var(--purple);outline-offset:4px}
.logo-home .site-logo{transition:transform .15s ease}
.logo-home:hover .site-logo{transform:scale(1.025)}


/* V9 – Kiosk/UX Verbesserungen */
.idle-warning{
  position:fixed;inset:0;background:rgba(31,22,36,.70);z-index:100;
  display:flex;align-items:center;justify-content:center;padding:20px
}
.idle-warning.hidden{display:none}
.idle-warning-box{
  width:min(470px,100%);background:#fff;border-radius:22px;padding:30px;
  text-align:center;box-shadow:0 24px 70px rgba(0,0,0,.35)
}
.idle-warning-box h2{font:700 2rem Georgia,serif;color:var(--purple-dark);margin:0 0 10px}
.idle-warning-box p{font-size:1.05rem;color:var(--muted);margin:0 0 20px}
.idle-warning-box .button{width:100%;font-size:1.1rem}

button:disabled{opacity:.6;cursor:not-allowed}
.thanks-card{max-width:900px;margin:auto}
.qr-social-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.social-qr-card{padding:22px 16px}
.qr-code{width:min(230px,100%)}
.social-name{font-size:1.5rem}
.social-open{padding-top:4px}

.version-compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.version-compare-box{
  background:var(--purple-faint);border:1px solid var(--line);border-radius:16px;
  padding:20px;text-align:center
}
.version-compare-box h3{margin:0 0 10px;color:var(--purple-dark)}
.compare-number{font-size:2.5rem;font-weight:900;color:var(--purple)}

@media(max-width:760px){
  .qr-social-grid,.version-compare-grid{grid-template-columns:1fr}
  .social-qr-card{max-width:390px}
  .qr-code{width:235px}
}