/* ============================================================
   Prüfungswerk — Light Design System v2
   Fonts: Bunny.net (datenschutzfreundlich, DSGVO-konform)
   ============================================================ */
@import url('https://fonts.bunny.net/css?family=plus-jakarta-sans:400,500,600,700&family=instrument-serif:400i&display=swap');

:root {
  --bg:          #f5f4f0;
  --bg-alt:      #eeecea;
  --surface:     #ffffff;
  --surface2:    #f9f8f6;
  --border:      #e4e2dd;
  --border-2:    #d4d1ca;
  --text:        #1a1917;
  --text-sub:    #4a4845;
  --text-muted:  #8a8784;
  --accent:      #c84b2f;
  --accent-h:    #a83a20;
  --accent-soft: #fdf1ee;
  --accent-bd:   #f0c4b8;
  --success:     #2a7a4b;
  --success-soft:#edf7f1;
  --success-bd:  #b3ddc8;
  --warning:     #b45309;
  --warning-soft:#fef9ec;
  --warning-bd:  #fcd88a;
  --error:       #c0392b;
  --error-soft:  #fdf2f1;
  --error-bd:    #f0b8b4;
  --blue:        #2563eb;
  --blue-soft:   #eff4fe;
  --blue-bd:     #bfd3fb;
  --font-body:   'Plus Jakarta Sans', system-ui, sans-serif;
  --font-display:'Instrument Serif', Georgia, serif;
  --radius-sm:   6px;
  --radius:      10px;
  --radius-lg:   16px;
  --radius-xl:   22px;
  --shadow-sm:   0 1px 3px rgba(26,25,23,.07), 0 1px 2px rgba(26,25,23,.04);
  --shadow:      0 4px 12px rgba(26,25,23,.08), 0 2px 4px rgba(26,25,23,.04);
  --shadow-lg:   0 12px 40px rgba(26,25,23,.12), 0 4px 12px rgba(26,25,23,.06);
  --t:           0.18s ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);min-height:100vh;line-height:1.6;font-weight:400;-webkit-font-smoothing:antialiased;display:flex;flex-direction:column}
.page-wrap{flex:1}

h1,h2,h3,h4{line-height:1.2;font-weight:700;color:var(--text)}
h1{font-size:clamp(1.55rem,3.5vw,2.3rem)}
h2{font-size:clamp(1.2rem,2.5vw,1.65rem)}
h3{font-size:1.1rem}
p{color:var(--text-sub);line-height:1.65}
a{color:var(--accent);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--accent-h)}

.container   {max-width:1140px;margin:0 auto;padding:0 1.5rem}
.container-sm{max-width:560px;margin:0 auto;padding:0 1.5rem}
.container-md{max-width:820px;margin:0 auto;padding:0 1.5rem}

/* ── Card ── */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.75rem;box-shadow:var(--shadow-sm)}
.card-sm{padding:1rem 1.35rem}
.card-flat{box-shadow:none}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;padding:.58rem 1.2rem;font-family:var(--font-body);font-size:.875rem;font-weight:600;border-radius:var(--radius);border:1.5px solid transparent;cursor:pointer;transition:all var(--t);text-decoration:none;white-space:nowrap;line-height:1}
.btn svg{width:15px;height:15px;flex-shrink:0}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 1px 3px rgba(200,75,47,.22)}
.btn-primary:hover{background:var(--accent-h);border-color:var(--accent-h);color:#fff;box-shadow:0 4px 12px rgba(200,75,47,.28);transform:translateY(-1px)}
.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--border-2);box-shadow:var(--shadow-sm)}
.btn-secondary:hover{background:var(--surface2);color:var(--text)}
.btn-ghost{background:transparent;color:var(--text-sub);border-color:transparent}
.btn-ghost:hover{background:var(--bg-alt);color:var(--text)}
.btn-danger{background:var(--error);color:#fff;border-color:var(--error)}
.btn-danger:hover{background:#a52f23;color:#fff;transform:translateY(-1px)}
.btn-success{background:var(--success);color:#fff;border-color:var(--success)}
.btn-success:hover{background:#236040;color:#fff}
.btn-outline{background:transparent;color:var(--accent);border-color:var(--accent-bd)}
.btn-outline:hover{background:var(--accent-soft);color:var(--accent)}
.btn-sm{padding:.35rem .8rem;font-size:.78rem;border-radius:var(--radius-sm)}
.btn-lg{padding:.75rem 1.65rem;font-size:.95rem}
.btn-xl{padding:.95rem 2.2rem;font-size:1rem;border-radius:var(--radius-lg)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none!important;box-shadow:none!important}
.btn-icon{padding:.45rem;border-radius:var(--radius-sm)}
.w-full{width:100%}

/* ── Forms ── */
.form-group{display:flex;flex-direction:column;gap:.32rem;margin-bottom:1.05rem}
.form-group:last-child{margin-bottom:0}
.form-group label{font-size:.8rem;font-weight:600;color:var(--text)}
.form-control{background:var(--surface);border:1.5px solid var(--border-2);color:var(--text);border-radius:var(--radius);padding:.58rem .82rem;font-family:var(--font-body);font-size:.88rem;width:100%;transition:border-color var(--t),box-shadow var(--t);appearance:none}
.form-control:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(200,75,47,.1)}
.form-control::placeholder{color:var(--text-muted)}
textarea.form-control{resize:vertical;min-height:78px;line-height:1.5}
select.form-control{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='none' stroke='%238a8784' stroke-width='1.5' d='M1 1l4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .75rem center;padding-right:2rem;cursor:pointer}
.form-hint{font-size:.76rem;color:var(--text-muted);margin-top:.2rem}
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(155px,1fr));gap:1rem}
.check-label{display:flex;align-items:center;gap:.55rem;cursor:pointer;font-size:.86rem;color:var(--text-sub);user-select:none}
.check-label input[type="checkbox"]{width:15px;height:15px;accent-color:var(--accent);cursor:pointer;flex-shrink:0}

/* ── Alerts ── */
.alert{display:flex;align-items:flex-start;gap:.6rem;padding:.8rem .95rem;border-radius:var(--radius);font-size:.87rem;margin-bottom:1.2rem;border:1px solid}
.alert-success{background:var(--success-soft);border-color:var(--success-bd);color:var(--success)}
.alert-error  {background:var(--error-soft);  border-color:var(--error-bd);  color:var(--error)}
.alert-warning{background:var(--warning-soft);border-color:var(--warning-bd);color:var(--warning)}
.alert-info   {background:var(--blue-soft);   border-color:var(--blue-bd);   color:var(--blue)}

/* ── Badge ── */
.badge{display:inline-flex;align-items:center;gap:.25rem;padding:.18rem .6rem;border-radius:99px;font-size:.7rem;font-weight:700;letter-spacing:.03em;border:1px solid}
.badge-success{background:var(--success-soft);color:var(--success);border-color:var(--success-bd)}
.badge-error  {background:var(--error-soft);  color:var(--error);  border-color:var(--error-bd)}
.badge-warning{background:var(--warning-soft);color:var(--warning);border-color:var(--warning-bd)}
.badge-info   {background:var(--blue-soft);   color:var(--blue);   border-color:var(--blue-bd)}
.badge-accent {background:var(--accent-soft); color:var(--accent); border-color:var(--accent-bd)}
.badge-neutral{background:var(--surface2);    color:var(--text-sub);border-color:var(--border)}

/* ── Table ── */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border)}
table{width:100%;border-collapse:collapse;font-size:.875rem}
thead{background:var(--surface2)}
th{text-align:left;padding:.65rem 1rem;font-size:.73rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--text-muted);border-bottom:1px solid var(--border)}
td{padding:.85rem 1rem;border-bottom:1px solid var(--border);color:var(--text);vertical-align:middle}
tr:last-child td{border-bottom:none}
tbody tr:hover td{background:var(--surface2)}

/* ── Navbar ── */
.navbar{background:#fff;border-bottom:2px solid var(--border);padding:.65rem 0;position:sticky;top:0;z-index:100;box-shadow:0 1px 8px rgba(26,25,23,.06)}
.navbar-inner{display:flex;align-items:center;justify-content:space-between}
.navbar-brand{font-size:1.05rem;font-weight:700;color:var(--text);text-decoration:none;display:flex;align-items:center;gap:.55rem}
.brand-dot{width:7px;height:7px;background:var(--accent);border-radius:50%;display:inline-block;flex-shrink:0}
.brand-logo{width:28px;height:28px;background:var(--accent);border-radius:var(--radius-sm);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;color:#fff}
.brand-logo svg{width:14px;height:14px}
.navbar-nav{display:flex;align-items:center;gap:.3rem}
.nav-link{color:var(--text-sub);font-size:.84rem;font-weight:500;padding:.35rem .7rem;border-radius:var(--radius-sm);transition:all var(--t);text-decoration:none}
.nav-link:hover,.nav-link.active{background:var(--bg-alt);color:var(--text)}
.nav-divider{width:1px;height:18px;background:var(--border);margin:0 .2rem}

/* ── Admin Layout ── */
.admin-layout{display:grid;grid-template-columns:220px 1fr;min-height:calc(100vh - 53px);flex:1}
.admin-sidebar{background:var(--surface);border-right:1px solid var(--border);padding:1.25rem .65rem;display:flex;flex-direction:column;gap:2px;position:sticky;top:53px;height:calc(100vh - 53px);overflow-y:auto}
.sidebar-section{font-size:.68rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);padding:.55rem .75rem .25rem;margin-top:.4rem}
.sidebar-link{display:flex;align-items:center;gap:.55rem;padding:.52rem .75rem;border-radius:var(--radius-sm);color:var(--text-sub);font-size:.84rem;font-weight:500;text-decoration:none;transition:all var(--t)}
.sidebar-link:hover{background:var(--bg-alt);color:var(--text)}
.sidebar-link.active{background:var(--accent-soft);color:var(--accent);font-weight:600}
.sidebar-link svg{width:14px;height:14px;flex-shrink:0;opacity:.65}
.sidebar-link.active svg{opacity:1}
.admin-content{padding:2rem 2.25rem;overflow-x:hidden}
.page-header{margin-bottom:1.75rem}
.page-header h1{margin-bottom:.22rem}
.page-header p{color:var(--text-muted);font-size:.86rem}
.page-header-row{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:1.75rem;flex-wrap:wrap}

/* ── Stats ── */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr));gap:1rem;margin-bottom:1.75rem}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.2rem 1.35rem;box-shadow:var(--shadow-sm)}
.stat-value{font-size:1.9rem;font-weight:700;color:var(--text);line-height:1;margin-bottom:.25rem}
.stat-label{font-size:.76rem;color:var(--text-muted);font-weight:500}
.stat-card.accent .stat-value{color:var(--accent)}

/* ── Modal ── */
.modal-overlay{position:fixed;inset:0;background:rgba(26,25,23,.45);z-index:300;display:flex;align-items:center;justify-content:center;padding:1rem;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);animation:mFadeIn .15s ease}
.modal-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);padding:1.65rem;width:100%;max-width:540px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:mSlideUp .2s ease}
.modal-box-lg{max-width:640px}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.35rem}
.modal-header h3{margin-bottom:0}
.modal-close{background:var(--surface2);border:1px solid var(--border);color:var(--text-muted);cursor:pointer;width:30px;height:30px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1rem;transition:all var(--t);flex-shrink:0}
.modal-close:hover{background:var(--bg-alt);color:var(--text)}
.modal-footer{display:flex;justify-content:flex-end;gap:.65rem;margin-top:1.4rem;padding-top:1.2rem;border-top:1px solid var(--border)}
@keyframes mFadeIn {from{opacity:0}to{opacity:1}}
@keyframes mSlideUp{from{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}

/* ── Invite Link Box ── */
.link-box{display:flex;align-items:center;overflow:hidden;border:1.5px solid var(--border-2);border-radius:var(--radius);background:var(--surface2)}
.link-box input{background:none;border:none;color:var(--text-sub);font-family:'SF Mono','Fira Code',monospace;font-size:.77rem;flex:1;padding:.52rem .75rem;outline:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.link-box .btn{border-radius:0 var(--radius-sm) var(--radius-sm) 0;flex-shrink:0;border:none;border-left:1px solid var(--border-2)}

/* ── Prüfungs-UI ── */
.exam-progress-bar{background:var(--border);border-radius:99px;height:4px;overflow:hidden;margin-bottom:1.75rem}
.exam-progress-fill{background:var(--accent);height:100%;border-radius:99px;transition:width .4s ease}
.question-label{font-size:.73rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);margin-bottom:.38rem}
.question-text{font-family:var(--font-display);font-size:1.4rem;font-style:italic;color:var(--text);line-height:1.4;margin-bottom:1.65rem}
.answer-list{display:flex;flex-direction:column;gap:.6rem}
.answer-item{display:flex;align-items:flex-start;gap:.85rem;padding:.9rem 1rem;background:var(--surface);border:1.5px solid var(--border-2);border-radius:var(--radius);cursor:pointer;transition:all var(--t);user-select:none}
.answer-item:hover{border-color:var(--accent-bd);background:var(--accent-soft)}
.answer-item.selected{border-color:var(--accent);background:var(--accent-soft)}
.answer-item input[type="radio"],.answer-item input[type="checkbox"]{margin-top:2px;accent-color:var(--accent);width:15px;height:15px;flex-shrink:0}
.answer-item-text{color:var(--text);font-size:.88rem;line-height:1.45}
.timer-pill{display:inline-flex;align-items:center;gap:.38rem;background:var(--surface);border:1.5px solid var(--border-2);border-radius:99px;padding:.32rem .85rem;font-size:.84rem;font-weight:600;font-variant-numeric:tabular-nums;color:var(--text);box-shadow:var(--shadow-sm)}
.timer-pill.warn  {border-color:var(--warning-bd);color:var(--warning);background:var(--warning-soft)}
.timer-pill.danger{border-color:var(--error-bd);color:var(--error);background:var(--error-soft);animation:timerPulse 1s infinite}
@keyframes timerPulse{0%,100%{opacity:1}50%{opacity:.6}}
.exam-nav{display:flex;justify-content:space-between;align-items:center;margin-top:1.75rem}

/* ── Ergebnis ── */
.result-ring{width:108px;height:108px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;margin:0 auto 1.4rem}
.result-ring.pass{background:var(--success-soft);border:3px solid var(--success-bd)}
.result-ring.fail{background:var(--error-soft);border:3px solid var(--error-bd)}
.result-ring .r-pct{font-size:1.8rem;font-weight:700;line-height:1;color:var(--text)}
.result-ring .r-lbl{font-size:.66rem;color:var(--text-muted);font-weight:700;text-transform:uppercase;letter-spacing:.05em}
.result-stats{display:grid;grid-template-columns:1fr 1fr;gap:.7rem;margin:1.2rem 0}
.result-stat{padding:.95rem;border-radius:var(--radius);text-align:center;border:1px solid}
.result-stat.correct{background:var(--success-soft);border-color:var(--success-bd)}
.result-stat.wrong  {background:var(--error-soft);  border-color:var(--error-bd)}
.result-stat .num{font-size:1.8rem;font-weight:700;display:block;line-height:1;margin-bottom:.18rem}
.result-stat.correct .num{color:var(--success)}
.result-stat.wrong   .num{color:var(--error)}
.result-stat .lbl{font-size:.76rem;color:var(--text-muted)}

/* ── Fragen-Editor Admin ── */
.q-card{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.15rem;position:relative;margin-bottom:.65rem}
.q-card-header{display:flex;align-items:center;gap:.6rem;margin-bottom:.85rem}
.q-num-badge{background:var(--accent);color:#fff;width:22px;height:22px;border-radius:99px;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;flex-shrink:0}
.q-type-tag{font-size:.71rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--text-muted)}
.q-remove{position:absolute;top:.85rem;right:.85rem;background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:var(--radius-sm);transition:all var(--t);line-height:1;font-size:1.1rem}
.q-remove:hover{background:var(--error-soft);color:var(--error)}
.opt-grid{display:flex;flex-direction:column;gap:.45rem;margin-top:.55rem}
.opt-row{display:grid;grid-template-columns:20px 1fr 26px;align-items:center;gap:.45rem}
.opt-row input[type="radio"],.opt-row input[type="checkbox"]{accent-color:var(--success);width:14px;height:14px;cursor:pointer}
.opt-remove{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:2px;border-radius:4px;transition:all var(--t);font-size:.95rem;line-height:1}
.opt-remove:hover{background:var(--error-soft);color:var(--error)}

/* ── Fragentyp-Picker Modal ── */
.type-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.65rem}
.type-card{border:2px solid var(--border-2);border-radius:var(--radius);padding:1rem;text-align:center;cursor:pointer;transition:all var(--t);background:var(--surface)}
.type-card:hover,.type-card:focus{border-color:var(--accent);background:var(--accent-soft);outline:none}
.type-icon{font-size:1.4rem;margin-bottom:.4rem}
.type-name{font-size:.84rem;font-weight:700;color:var(--text)}
.type-desc{font-size:.73rem;color:var(--text-muted);margin-top:.18rem}

/* ── Schummelschutz ── */
.cheat-warning{position:fixed;top:0;left:0;right:0;z-index:500;background:var(--error);color:#fff;padding:.7rem 1.5rem;text-align:center;font-size:.86rem;font-weight:600;display:flex;align-items:center;justify-content:center;gap:.65rem;animation:slideDown .25s ease}
@keyframes slideDown{from{transform:translateY(-100%)}to{transform:translateY(0)}}
.fullscreen-hint{background:var(--blue-soft);border:1px solid var(--blue-bd);border-radius:var(--radius);padding:.8rem 1rem;display:flex;align-items:center;gap:.7rem;font-size:.86rem;margin-bottom:1.2rem}
.fullscreen-hint .fh-text{color:var(--blue);flex:1}
.fullscreen-hint .fh-text strong{display:block;margin-bottom:.12rem}

/* ── Footer ── */
.site-footer{background:var(--surface);border-top:1px solid var(--border);padding:1.1rem 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.65rem}
.footer-links{display:flex;align-items:center;gap:1.1rem}
.footer-links a{font-size:.8rem;color:var(--text-muted)}
.footer-links a:hover{color:var(--text)}
.footer-copy{font-size:.8rem;color:var(--text-muted)}

/* ── Login ── */
.login-layout{min-height:100vh;display:grid;grid-template-columns:1fr 1fr;flex:1}
.login-left{background:var(--text);color:#fff;display:flex;flex-direction:column;justify-content:center;padding:4rem;position:relative;overflow:hidden}
.login-left::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 80% 15%,rgba(200,75,47,.4) 0%,transparent 60%),radial-gradient(ellipse at 10% 90%,rgba(200,75,47,.15) 0%,transparent 50%);pointer-events:none}
.login-left-content{position:relative;z-index:1}
.login-brand{font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.45);margin-bottom:2.5rem}
.login-heading{font-family:var(--font-display);font-size:clamp(1.9rem,4vw,3rem);font-style:italic;color:#fff;font-weight:400;line-height:1.2;margin-bottom:1.1rem}
.login-text{color:rgba(255,255,255,.6);line-height:1.7;font-size:.92rem;max-width:380px}
.login-features{list-style:none;margin-top:1.75rem;display:flex;flex-direction:column;gap:.65rem}
.login-features li{display:flex;align-items:center;gap:.7rem;color:rgba(255,255,255,.55);font-size:.83rem}
.login-features li::before{content:'';width:5px;height:5px;background:var(--accent);border-radius:50%;flex-shrink:0}
.login-right{display:flex;flex-direction:column;justify-content:center;align-items:center;padding:4rem 3rem;background:var(--bg)}
.login-form-wrap{width:100%;max-width:375px}
.login-form-title{font-size:1.45rem;font-weight:700;margin-bottom:.25rem}
.login-form-sub{color:var(--text-muted);font-size:.86rem;margin-bottom:1.75rem}

/* ── Konfetti ── */
#confetti-canvas{position:fixed;inset:0;pointer-events:none;z-index:999}

/* ── Utils ── */
.flex       {display:flex}
.flex-center{display:flex;align-items:center}
.flex-between{display:flex;align-items:center;justify-content:space-between}
.flex-col   {display:flex;flex-direction:column}
.gap-1{gap:.5rem}.gap-2{gap:1rem}.gap-3{gap:1.5rem}
.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}
.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}
.text-muted {color:var(--text-muted);font-size:.86rem}
.text-right {text-align:right}
.text-center{text-align:center}
.text-sm    {font-size:.8rem}
.text-accent{color:var(--accent)}
.divider    {border:none;border-top:1px solid var(--border);margin:1.4rem 0}
.truncate   {white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

@media(max-width:900px){
  .admin-layout{grid-template-columns:1fr}
  .admin-sidebar{display:none}
  .admin-content{padding:1.25rem 1rem}
  .login-layout{grid-template-columns:1fr}
  .login-left{display:none}
  .login-right{padding:2.5rem 1.5rem;min-height:100vh}
}
@media(max-width:640px){
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .form-row{grid-template-columns:1fr}
  .type-grid{grid-template-columns:1fr}
}