:root{
  --orange:#F28C28; --orange-dark:#D4770F; --dark:#1A1A1A; --dark2:#2C2C2C;
  --gray-light:#F5F3EE; --success:#22c55e; --lock:#9ca3af;
  --text-muted:#6b7280; --border:#e5e7eb; --white:#fff;
}
*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{font-family:'Nunito',sans-serif;background:var(--gray-light);color:var(--dark);min-height:100vh;display:flex;flex-direction:column;}
a{color:inherit;}

/* Header */
header.top{background:var(--dark);color:#fff;padding:0 24px;height:60px;display:flex;
  align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100;
  box-shadow:0 2px 8px rgba(0,0,0,.3);}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff;}
.brand img{width:36px;height:36px;border-radius:50%;object-fit:cover;object-position:top;border:2px solid var(--orange);}
.brand span{font-family:'Oswald',sans-serif;font-size:1.25rem;letter-spacing:.5px;}
.brand em{color:var(--orange);font-style:normal;}
.hdr-right{display:flex;align-items:center;gap:10px;font-size:.875rem;}
.pill{background:rgba(242,140,40,.15);border:1px solid var(--orange);color:var(--orange);
  padding:4px 12px;border-radius:20px;font-weight:700;}
.btn-sm{background:transparent;border:1px solid rgba(255,255,255,.3);color:rgba(255,255,255,.75);
  padding:5px 14px;border-radius:20px;cursor:pointer;font-size:.8rem;text-decoration:none;transition:all .2s;font-family:'Nunito',sans-serif;}
.btn-sm:hover{border-color:#fff;color:#fff;}

/* Login overlay / Auth-Seiten */
body.auth{background:var(--dark);}
body.auth header.top{box-shadow:none;}
.auth-wrap{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 16px 64px;}
.login-card{background:#fff;border-radius:16px;padding:40px;max-width:420px;width:90%;
  box-shadow:0 24px 64px rgba(0,0,0,.35);text-align:center;}
.login-card.wide{max-width:520px;}
.login-card img{width:84px;height:84px;border-radius:50%;object-fit:cover;object-position:top;
  border:3px solid var(--orange);margin-bottom:14px;}
.login-card h1,.login-card h2{font-family:'Oswald',sans-serif;font-size:1.8rem;margin:0 0 6px;}
.login-card>p,.login-intro{color:var(--text-muted);margin:0 0 22px;}
.login-card .flash{text-align:left;margin-bottom:16px;}
.form-group{margin-bottom:14px;text-align:left;}
.form-group label,.form-label{display:block;font-weight:700;font-size:.85rem;margin-bottom:5px;}
.form-group input,.form-control,.form-select,textarea.form-control,input.form-control,select.form-select{
  width:100%;padding:11px 14px;border:2px solid var(--border);border-radius:8px;
  font-family:'Nunito',sans-serif;font-size:1rem;transition:border-color .2s;background:#fff;}
.form-group input:focus,.form-control:focus,.form-select:focus,textarea.form-control:focus{
  outline:none;border-color:var(--orange);box-shadow:0 0 0 .15rem rgba(242,140,40,.2);}
.form-error,#login-error{color:#ef4444;font-size:.85rem;margin:0 0 10px;text-align:left;}
.btn-primary,button.btn-primary,a.btn-primary,input.btn-primary{
  width:auto;padding:12px 18px;background:var(--orange);color:#fff;border:none;border-radius:8px;
  font-family:'Oswald',sans-serif;font-size:1.05rem;cursor:pointer;transition:background .2s;
  text-decoration:none;display:inline-block;text-align:center;font-weight:600;}
.btn-primary:hover,button.btn-primary:hover,a.btn-primary:hover{background:var(--orange-dark);color:#fff;}
.btn-primary:disabled{opacity:.6;cursor:not-allowed;}
.btn-primary.w-100,.login-card .btn-primary{width:100%;}
.login-foot{margin-top:16px;font-size:.8rem;color:var(--text-muted);}
.login-foot a{color:var(--orange);text-decoration:none;}

/* Hero */
.hero{background:var(--dark);color:#fff;padding:46px 24px 54px;text-align:center;position:relative;overflow:hidden;}
.hero::before{content:'';position:absolute;inset:0;
  background:repeating-linear-gradient(45deg,transparent,transparent 30px,rgba(242,140,40,.05) 30px,rgba(242,140,40,.05) 31px);}
.hero-inner{position:relative;max-width:680px;margin:0 auto;}
.hero img{width:110px;height:110px;border-radius:50%;object-fit:cover;object-position:top;
  border:4px solid var(--orange);box-shadow:0 8px 32px rgba(242,140,40,.35);margin-bottom:16px;}
.hero h1{font-family:'Oswald',sans-serif;font-size:clamp(2rem,5vw,2.7rem);margin:0 0 6px;}
.hero h1 em{color:var(--orange);font-style:normal;}
.hero p{font-size:1.05rem;opacity:.8;margin:0 0 26px;}
.progress-widget{background:rgba(255,255,255,.1);border-radius:12px;padding:18px 24px;display:inline-block;min-width:280px;}
.progress-row{display:flex;justify-content:space-between;font-size:.85rem;margin-bottom:8px;opacity:.9;}
.bar-outer{height:10px;background:rgba(255,255,255,.2);border-radius:10px;overflow:hidden;}
.bar-inner{height:100%;background:var(--orange);border-radius:10px;transition:width .6s ease;}

main{max-width:1150px;margin:0 auto;padding:36px 24px 64px;width:100%;flex:1;}
main.wrap{max-width:860px;padding-top:28px;}
.page-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:22px;}
.page-head h1{font-family:'Oswald',sans-serif;font-size:1.5rem;margin:0;}
.page-head .spacer{margin-left:auto;}

/* Module + Einheiten */
.module{margin-bottom:44px;}
.module-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.module-icon{font-size:1.6rem;}
.module-head h2{font-family:'Oswald',sans-serif;font-size:1.4rem;margin:0;}
.module-head .m-range{margin-left:auto;font-size:.78rem;color:var(--text-muted);}
.module-desc{color:var(--text-muted);font-size:.9rem;margin:-8px 0 16px;}

.units-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;}
.unit-card{background:#fff;border-radius:12px;padding:18px;border:2px solid transparent;
  position:relative;transition:transform .18s,box-shadow .18s,border-color .18s;display:flex;flex-direction:column;}
.unit-card .u-num{font-size:.72rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:5px;}
.unit-card .u-title{font-weight:700;font-size:.95rem;line-height:1.35;margin-bottom:6px;}
.unit-card .u-meta{font-size:.75rem;color:var(--text-muted);margin-bottom:14px;}
.unit-card .u-action{margin-top:auto;}
.u-btn{display:block;text-align:center;padding:8px 12px;border-radius:8px;font-weight:700;
  font-size:.82rem;text-decoration:none;transition:opacity .15s,background .15s;border:none;cursor:pointer;font-family:'Nunito',sans-serif;}
.u-btn.open{background:var(--orange);color:#fff;}
.u-btn.open:hover{background:var(--orange-dark);color:#fff;}
.u-btn.review{background:#eefdf3;color:#15803d;border:1px solid #86efac;}
.u-btn.review:hover{color:#15803d;}

.unit-card.done{border-color:var(--success);background:#f0fdf4;}
.unit-card.done::after{content:'✓';position:absolute;top:10px;right:10px;width:22px;height:22px;
  border-radius:50%;background:var(--success);color:#fff;font-size:.7rem;font-weight:700;
  display:flex;align-items:center;justify-content:center;}
.unit-card.locked{opacity:.6;background:#fafafa;}
.unit-card.locked .u-num::after{content:'  🔒';}
.u-btn.locked{background:#e5e7eb;color:var(--lock);cursor:not-allowed;}

body.auth footer.site{border-top-color:rgba(255,255,255,.12);color:rgba(255,255,255,.45);}
body.auth footer.site a{color:var(--orange);}

/* Einheit-Seite */
.unit-hero{background:var(--dark);color:#fff;padding:30px 24px;position:relative;overflow:hidden;}
.unit-hero::before{content:'';position:absolute;inset:0;
  background:repeating-linear-gradient(45deg,transparent,transparent 30px,rgba(242,140,40,.04) 30px,rgba(242,140,40,.04) 31px);}
.unit-hero-inner{position:relative;max-width:860px;margin:0 auto;}
.unit-hero .crumb{font-family:'Oswald',sans-serif;font-size:.72rem;letter-spacing:2px;text-transform:uppercase;color:var(--orange);margin-bottom:8px;}
.unit-hero h1{font-family:'Oswald',sans-serif;font-size:1.9rem;margin:0;}
.unit-hero .meta{font-size:.85rem;color:rgba(255,255,255,.6);margin-top:6px;}
.card{background:#fff;border-radius:14px;padding:22px 24px;margin-bottom:22px;box-shadow:0 1px 6px rgba(0,0,0,.05);border:none;}
.oemer-speech{display:flex;gap:16px;align-items:flex-start;border-left:5px solid var(--orange);}
.oemer-speech img{width:64px;height:64px;flex-shrink:0;border-radius:10px;object-fit:cover;object-position:top;}
.oemer-speech .speaker{font-family:'Oswald',sans-serif;font-size:.75rem;color:var(--orange);letter-spacing:1px;text-transform:uppercase;margin-bottom:6px;}
.oemer-speech p{margin:0;line-height:1.55;}
.card h3,.card-title-oemer{font-family:'Oswald',sans-serif;font-size:1.1rem;margin:0 0 14px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}

.btn-lg{padding:13px 28px;background:var(--orange);color:#fff;border:none;border-radius:10px;
  font-family:'Oswald',sans-serif;font-size:1.05rem;cursor:pointer;transition:background .2s;}
.btn-lg:hover{background:var(--orange-dark);}
.btn-lg:disabled{opacity:.55;cursor:not-allowed;}
.btn-outline,a.btn-outline{padding:11px 22px;background:#fff;border:2px solid var(--border);border-radius:10px;
  font-family:'Nunito',sans-serif;font-weight:700;cursor:pointer;text-decoration:none;color:var(--dark);display:inline-block;}
.btn-outline:hover,a.btn-outline:hover{border-color:var(--orange);color:var(--orange-dark);}
.status-msg{font-size:.88rem;margin-top:10px;min-height:1.2em;}
.locked-banner{background:#fef2f2;border:1px solid #fca5a5;color:#7f1d1d;border-radius:12px;padding:16px 20px;margin-bottom:20px;font-size:.92rem;}
.done-banner{background:#f0fdf4;border:1px solid #86efac;color:#15803d;border-radius:12px;padding:16px 20px;margin-bottom:20px;font-weight:700;}
.warn-banner{background:#fffbeb;border:1px solid #fcd34d;color:#92400e;border-radius:12px;padding:16px 20px;margin-bottom:20px;}
.info-banner{background:#eff6ff;border:1px solid #93c5fd;color:#1e3a8a;border-radius:12px;padding:16px 20px;margin-bottom:20px;}

.steps{margin:0;padding:0;list-style:none;counter-reset:step;}
.steps li{position:relative;padding:11px 14px 11px 48px;margin-bottom:8px;counter-increment:step;
  border:1px solid var(--border);border-radius:10px;background:#fff;font-size:.92rem;line-height:1.5;}
.steps li::before{content:counter(step);position:absolute;left:13px;top:11px;width:23px;height:23px;
  border-radius:50%;background:var(--orange);color:#fff;font-weight:800;font-size:.8rem;
  display:flex;align-items:center;justify-content:center;}

/* Tipp-Oberfläche */
.live-stats{display:flex;align-items:center;gap:16px;flex-wrap:wrap;font-size:.82rem;color:var(--text-muted);margin-left:auto;}
.live-stats span{white-space:nowrap;}
#promptWrap{max-height:240px;overflow-y:auto;padding:.85rem 1rem;background:#fafafa;border:1px solid var(--border);border-radius:10px;}
#promptView{font-size:1.35rem;line-height:1.9;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Courier New",monospace;
  white-space:pre-wrap;word-break:break-word;}
.ch{color:#9ca3af;}
.ch.ok{color:#15803d;}
.ch.bad{color:#c62828;background:#fff3cd;border-radius:2px;}
.ch.cursor{border-bottom:2px solid var(--orange);color:var(--dark);}
.play-progress{height:6px;background:#e5e7eb;border-radius:10px;overflow:hidden;margin-top:10px;}
.play-progress .bar{height:100%;width:0;background:var(--orange);transition:width .15s;}
#typed_text{width:100%;min-height:150px;padding:12px 14px;border:2px solid var(--border);border-radius:10px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Courier New",monospace;font-size:1.05rem;line-height:1.6;resize:vertical;}
#typed_text:focus{outline:none;border-color:var(--orange);}
.play-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:16px;}
.play-actions .spacer{margin-left:auto;}

/* Tabellen (Lehrer / Bestenliste) */
.data-table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 1px 4px rgba(0,0,0,.08);}
.data-table th{background:var(--dark);color:#fff;padding:10px 12px;text-align:left;font-size:.78rem;white-space:nowrap;font-weight:700;}
.data-table td{padding:9px 12px;border-bottom:1px solid #f3f4f6;font-size:.86rem;}
.data-table tr:last-child td{border-bottom:none;}
.data-table tbody tr:hover td{background:#fef9f0;}
.data-table .num{text-align:right;white-space:nowrap;}
.table-wrap{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 1px 6px rgba(0,0,0,.05);margin-bottom:22px;}
.table-wrap .table{margin:0;}
.table thead th{background:var(--dark);color:#fff;border-color:var(--dark);font-size:.78rem;white-space:nowrap;}
.table tbody tr:hover{background:#fef9f0;}
code{background:#f6f8fa;padding:.15rem .4rem;border-radius:.35rem;font-size:.85em;}

/* Bootstrap-Anpassungen, damit Lehrer-Seiten ins EDV-Look fallen */
.btn{border-radius:8px;font-weight:700;}
.btn-primary{background:var(--orange)!important;border-color:var(--orange)!important;color:#fff!important;
  font-family:'Oswald',sans-serif;font-weight:600;}
.btn-primary:hover,.btn-primary:focus{background:var(--orange-dark)!important;border-color:var(--orange-dark)!important;color:#fff!important;}
.btn-success{background:var(--success)!important;border-color:var(--success)!important;}
.btn-outline-primary{color:var(--orange)!important;border-color:var(--orange)!important;background:transparent!important;}
.btn-outline-primary:hover{background:var(--orange)!important;color:#fff!important;}
.btn-outline-success{color:#15803d!important;border-color:#86efac!important;}
.btn-outline-secondary,.btn-secondary{border-color:var(--border)!important;color:var(--dark)!important;background:#fff!important;}
.btn-outline-secondary:hover,.btn-secondary:hover{border-color:var(--orange)!important;color:var(--orange-dark)!important;}
.card .card-body,.card .card-header,.card .card-footer{background:transparent;}
.card .card-header,.card .card-footer{border:none;padding-left:0;padding-right:0;}
.card-footer{padding-bottom:0;}
.alert{border-radius:12px;}
.alert-success{background:#f0fdf4;border-color:#86efac;color:#15803d;}
.alert-danger,.alert-error{background:#fef2f2;border-color:#fca5a5;color:#7f1d1d;}
.alert-warning{background:#fffbeb;border-color:#fcd34d;color:#92400e;}
.alert-info{background:#eff6ff;border-color:#93c5fd;color:#1e3a8a;}
h1,h2,h3,.h4,.h3,.h5{font-family:'Oswald',sans-serif;}
.text-muted{color:var(--text-muted)!important;}
.badge.text-bg-success{background:var(--success)!important;}
.badge.text-bg-primary{background:var(--orange)!important;}
.badge.text-bg-warning{background:#fde68a!important;color:#92400e!important;}
.flash{border-radius:12px;padding:14px 18px;margin-bottom:18px;font-size:.92rem;}
.flash-success{background:#f0fdf4;border:1px solid #86efac;color:#15803d;font-weight:700;}
.flash-error,.flash-danger{background:#fef2f2;border:1px solid #fca5a5;color:#7f1d1d;}
.flash-warning{background:#fffbeb;border:1px solid #fcd34d;color:#92400e;}
.flash-info,.flash-debug{background:#eff6ff;border:1px solid #93c5fd;color:#1e3a8a;}

.input-group{display:flex;gap:8px;align-items:stretch;}
.input-group .form-control{flex:1;}
.input-group .btn-outline{white-space:nowrap;}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px;}

/* Virtuelle Tastatur (Finger-Farbcodierung) */
:root{
  --f-l5:#ef4444; --f-l4:#eab308; --f-l3:#84cc16; --f-l2:#10b981;
  --f-r2:#06b6d4; --f-r3:#3b82f6; --f-r4:#8b5cf6; --f-r5:#ec4899; --f-thumb:#9ca3af;
}
#keyboard{display:flex;flex-direction:column;gap:6px;padding:14px 10px;background:#fafafa;
  border:1px solid var(--border);border-radius:10px;overflow-x:auto;}
.kb-row{display:flex;gap:6px;}
.kb-row.row-offset-1{margin-left:14px;}
.kb-row.row-offset-2{margin-left:20px;}
.kb-row.row-offset-3{margin-left:30px;}
.key{flex:1 0 34px;min-width:34px;height:40px;border-radius:6px;display:flex;align-items:center;
  justify-content:center;font-family:'Nunito',sans-serif;font-weight:700;font-size:.85rem;color:#fff;
  background:var(--lock);opacity:.85;position:relative;transition:transform .12s,box-shadow .12s;user-select:none;}
.key.wide{flex-grow:2;}
.key.space{flex-grow:8;}
.key.home::after{content:'';position:absolute;bottom:5px;left:50%;transform:translateX(-50%);
  width:10px;height:3px;border-radius:2px;background:rgba(255,255,255,.85);}
.key.f-l5{background:var(--f-l5);} .key.f-l4{background:var(--f-l4);}
.key.f-l3{background:var(--f-l3);} .key.f-l2{background:var(--f-l2);}
.key.f-r2{background:var(--f-r2);} .key.f-r3{background:var(--f-r3);}
.key.f-r4{background:var(--f-r4);} .key.f-r5{background:var(--f-r5);}
.key.f-thumb{background:var(--f-thumb);}
.key.next{outline:3px solid var(--orange);outline-offset:2px;transform:scale(1.08);
  box-shadow:0 4px 14px rgba(242,140,40,.45);z-index:1;}
.kb-legend{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:14px;font-size:.78rem;color:var(--text-muted);}
.kb-legend .lg{display:flex;align-items:center;gap:6px;}
.kb-legend .lg::before{content:'';width:12px;height:12px;border-radius:3px;display:inline-block;}
.kb-legend .lg.f-l5::before{background:var(--f-l5);} .kb-legend .lg.f-l4::before{background:var(--f-l4);}
.kb-legend .lg.f-l3::before{background:var(--f-l3);} .kb-legend .lg.f-l2::before{background:var(--f-l2);}
.kb-legend .lg.f-r2::before{background:var(--f-r2);} .kb-legend .lg.f-r3::before{background:var(--f-r3);}
.kb-legend .lg.f-r4::before{background:var(--f-r4);} .kb-legend .lg.f-r5::before{background:var(--f-r5);}
.kb-legend .lg.f-thumb::before{background:var(--f-thumb);}
.kb-note{font-size:.82rem;color:var(--text-muted);margin:12px 0 0;}
#nextKeyHint{font-weight:700;color:var(--orange-dark);}

@media(max-width:560px){
  .key{flex-basis:24px;min-width:24px;height:32px;font-size:.72rem;}
  .kb-row.row-offset-1{margin-left:9px;} .kb-row.row-offset-2{margin-left:13px;} .kb-row.row-offset-3{margin-left:20px;}
  .oemer-speech img{width:48px;height:48px;}
  .unit-hero h1{font-size:1.5rem;}
  .hdr-right .pill{display:none;}
  .brand span{font-size:1.05rem;}
  .live-stats{margin-left:0;}
}