:root{
  /* SRDP-Training: grünes Theme (passend zu den sdrp-deutsch-Erklärseiten). */
  --green:#1a6b3a; --green-dark:#12522c; --dark:#1A1A1A; --dark2:#2C2C2C;
  --gray:#3E3E3E; --gray-light:#F5F3EE; --success:#22c55e;
  --text-muted:#6b7280; --border:#e5e7eb; --white:#fff; --sara:#8B3FA8;
}
*,*::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;line-height:1.65;}
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(--green);}
.brand span{font-family:'Oswald',sans-serif;font-size:1.05rem;letter-spacing:.5px;}
.brand em{color:var(--green);font-style:normal;}
.hdr-right{display:flex;align-items:center;gap:10px;font-size:.875rem;}
.pill{background:rgba(26,107,58,.15);border:1px solid var(--green);color:var(--green);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 ──────────────────────────────────────────────────────────────── */
#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(--green);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;}
.login-hint{margin-top:16px;font-size:.8rem;color:var(--text-muted);}
.login-hint a{color:var(--text-muted);}
.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(--green);}
#login-error{color:#ef4444;font-size:.85rem;margin-bottom:10px;display:none;}
.btn-primary{width:100%;padding:12px;background:var(--green);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(--green-dark);}
.btn-primary:disabled{opacity:.6;cursor:not-allowed;}

/* ── Hero ───────────────────────────────────────────────────────────────── */
.hero{background:var(--dark);color:#fff;padding:44px 24px 52px;text-align:center;position:relative;overflow:hidden;}
.hero::before{content:'';position:absolute;inset:0;background:repeating-linear-gradient(45deg,transparent,transparent 30px,rgba(26,107,58,.06) 30px,rgba(26,107,58,.06) 31px);}
.hero-inner{position:relative;max-width:720px;margin:0 auto;}
.hero-avatars{display:flex;justify-content:center;margin-bottom:16px;}
.hero-avatars img{width:100px;height:100px;border-radius:50%;object-fit:cover;object-position:top;border:4px solid var(--green);box-shadow:0 8px 32px rgba(26,107,58,.35);background:var(--dark);}
.hero-avatars img.second{margin-left:-26px;border-color:var(--sara);box-shadow:0 8px 32px rgba(139,63,168,.35);}
.hero h1{font-family:'Oswald',sans-serif;font-size:clamp(2rem,5vw,2.7rem);margin-bottom:6px;}
.hero h1 em{color:var(--green);font-style:normal;}
.hero p{font-size:1.02rem;opacity:.82;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(--green);border-radius:10px;transition:width .6s ease;}

main{max-width:1150px;margin:0 auto;padding:36px 24px 64px;}
.signed-out{text-align:center;color:var(--text-muted);padding:40px 0;}

/* ── Module + Beispiel-Grid ─────────────────────────────────────────────── */
.module{margin-bottom:44px;}
.module-head{display:flex;align-items:center;gap:12px;margin-bottom:8px;}
.module-icon{font-size:1.4rem;color:var(--green);display:flex;}
.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:0 0 16px;}
.units-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,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:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(0,0,0,.10);}
.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:800;font-size:.98rem;line-height:1.35;margin-bottom:6px;}
.unit-card .u-desc{font-size:.8rem;color:var(--text-muted);margin-bottom:14px;}
.unit-card .u-action{margin-top:auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.u-btn{display:inline-block;text-align:center;padding:8px 14px;border-radius:8px;font-weight:700;font-size:.82rem;text-decoration:none;transition:background .15s;}
.u-btn.open{background:var(--green);color:#fff;}
.u-btn.open:hover{background:var(--green-dark);}
.done-toggle{display:flex;align-items:center;gap:6px;font-size:.8rem;color:var(--text-muted);cursor:pointer;user-select:none;}
.done-toggle input{width:16px;height:16px;accent-color:var(--success);cursor:pointer;}
.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.done .done-toggle{color:#15803d;font-weight:700;}

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

@media(max-width:640px){
  .brand span{font-size:.82rem;}
  .hdr-right .pill{display:none;}
}