: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;margin:0;padding:0;}
body{font-family:'Nunito',sans-serif;background:var(--gray-light);color:var(--dark);min-height:100vh;}
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;}
.btn-sm:hover{border-color:#fff;color:#fff;}

/* Login overlay */
#login-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:200;
  align-items:center;justify-content:center;}
#login-overlay.active{display:flex;}
.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 img{width:84px;height:84px;border-radius:50%;object-fit:cover;object-position:top;
  border:3px solid var(--orange);margin-bottom:14px;}
.login-card h2{font-family:'Oswald',sans-serif;font-size:1.8rem;margin-bottom:6px;}
.login-card>p{color:var(--text-muted);margin-bottom:22px;}
.form-group{margin-bottom:14px;text-align:left;}
.form-group label{display:block;font-weight:700;font-size:.85rem;margin-bottom:5px;}
.form-group input{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;}
.form-group input:focus{outline:none;border-color:var(--orange);}
#login-error{color:#ef4444;font-size:.85rem;margin-bottom:10px;display:none;}
.btn-primary{width:100%;padding:12px;background:var(--orange);color:#fff;border:none;border-radius:8px;
  font-family:'Oswald',sans-serif;font-size:1.1rem;cursor:pointer;transition:background .2s;}
.btn-primary:hover{background:var(--orange-dark);}
.btn-primary:disabled{opacity:.6;cursor:not-allowed;}

/* 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-bottom:6px;}
.hero h1 em{color:var(--orange);font-style:normal;}
.hero p{font-size:1.05rem;opacity:.8;margin-bottom: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;}

/* 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;}
.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;}
.u-btn.open{background:var(--orange);color:#fff;}
.u-btn.open:hover{background:var(--orange-dark);}
.u-btn.review{background:#eefdf3;color:#15803d;border:1px solid #86efac;}

.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;}

footer{text-align:center;padding:22px 24px;color:var(--text-muted);font-size:.8rem;border-top:1px solid var(--border);}
footer a{color:var(--orange);text-decoration:none;}

/* ── 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;}
.unit-hero .meta{font-size:.85rem;color:rgba(255,255,255,.6);margin-top:6px;}
.wrap{max-width:860px;margin:0 auto;padding:28px 24px 80px;}
.card{background:#fff;border-radius:14px;padding:22px 24px;margin-bottom:22px;box-shadow:0 1px 6px rgba(0,0,0,.05);}
.oemer-speech{display:flex;gap:16px;align-items:flex-start;border-left:5px solid var(--orange);}
.oemer-speech img{width:64px;flex-shrink:0;border-radius:10px;}
.oemer-speech .speaker{font-family:'Oswald',sans-serif;font-size:.75rem;color:var(--orange);letter-spacing:1px;text-transform:uppercase;margin-bottom:6px;}
.card h3{font-family:'Oswald',sans-serif;font-size:1.1rem;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.file-row{display:flex;align-items:center;gap:12px;padding:11px 14px;border:1px solid var(--border);
  border-radius:10px;margin-bottom:9px;text-decoration:none;color:var(--dark);transition:border-color .15s,background .15s;}
.file-row:hover{border-color:var(--orange);background:#fff8f0;}
.file-ico{font-size:1.4rem;width:28px;text-align:center;flex-shrink:0;}
.file-name{font-weight:700;font-size:.9rem;}
.file-tag{margin-left:auto;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;
  padding:3px 9px;border-radius:20px;background:#f3f4f6;color:var(--text-muted);}
.file-tag.auftrag{background:rgba(242,140,40,.15);color:var(--orange-dark);}
.file-tag.info{background:#eff6ff;color:#1d4ed8;}

.check-q{margin-bottom:16px;}
.check-q label{display:block;font-weight:700;font-size:.9rem;margin-bottom:6px;}
.check-q textarea{width:100%;min-height:70px;padding:10px 12px;border:2px solid var(--border);
  border-radius:8px;font-family:'Nunito',sans-serif;font-size:.92rem;resize:vertical;}
.check-q textarea:focus{outline:none;border-color:var(--orange);}

.upload-zone{border:2px dashed var(--border);border-radius:10px;padding:20px;text-align:center;transition:border-color .2s;}
.upload-zone.drag{border-color:var(--orange);background:#fff8f0;}
.uploaded-list{margin-top:12px;}
.uploaded-item{display:flex;align-items:center;gap:8px;font-size:.85rem;padding:6px 0;color:#15803d;}

.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{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);}
.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;}

@media(max-width:560px){
  .oemer-speech img{width:48px;}
  .unit-hero h1{font-size:1.5rem;}
}