:root{--navy:#182337;--navy2:#22314f;--green:#3a8f4e;--green-l:#4fae63;--steel:#6b7885;--panel:#1a1f2e;--border:#2d3548;--text:#e1e8f0;--dim:#8a94a6;--bg:#0f1419;--red:#dc3545;--amber:#f0ad4e}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'Segoe UI',-apple-system,BlinkMacSystemFont,Roboto,sans-serif;font-size:15px;line-height:1.65;min-height:100vh}
a{color:var(--green-l);text-decoration:none}
.nav{background:var(--navy);padding:12px 24px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100;box-shadow:0 2px 10px rgba(0,0,0,.4)}
.nav .brand{display:flex;align-items:center;gap:10px;font-weight:700;color:#fff;font-size:16px}
.nav .brand .logo{width:30px;height:30px;background:var(--green);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:15px;color:#fff}
.nav .userbox{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--dim)}
.nav .userbox .btn{margin-left:6px}
.container{max-width:880px;margin:0 auto;padding:28px 20px 60px}
.hero{text-align:center;padding:48px 16px 30px}
.hero h1{font-size:34px;color:#fff;margin-bottom:10px;font-weight:700}
.hero h1 span{color:var(--green-l)}
.hero p{color:var(--dim);font-size:16px;max-width:560px;margin:0 auto}
.badge-row{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:18px}
.badge{background:var(--panel);border:1px solid var(--border);border-radius:20px;padding:4px 14px;font-size:12px;color:var(--dim)}
.badge b{color:var(--green-l)}
.stat-bar{display:flex;gap:12px;margin:26px 0}
.stat{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:14px;text-align:center;flex:1}
.stat .num{font-size:26px;font-weight:700;color:var(--green-l)}
.stat .lbl{color:var(--dim);font-size:11px;text-transform:uppercase;letter-spacing:.5px;margin-top:2px}
.progress{height:8px;background:var(--navy2);border-radius:4px;margin-bottom:28px;overflow:hidden}
.progress-bar{height:8px;background:linear-gradient(90deg,var(--green),var(--green-l));border-radius:4px;transition:width .4s}
h2.sec{color:#fff;font-size:20px;margin:30px 0 14px;border-left:4px solid var(--green);padding-left:12px}
.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.module-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:18px;cursor:pointer;transition:.2s;display:flex;flex-direction:column}
.module-card:hover{border-color:var(--green);transform:translateY(-2px)}
.module-card .mnum{font-size:11px;color:var(--green-l);text-transform:uppercase;letter-spacing:1px;font-weight:600;margin-bottom:6px}
.module-card h3{font-size:16px;color:#fff;margin-bottom:6px}
.module-card p{font-size:13px;color:var(--dim);flex:1}
.module-card .mfoot{display:flex;justify-content:space-between;align-items:center;margin-top:14px;font-size:12px;color:var(--dim)}
.module-card .mfoot .done{color:var(--green-l);font-weight:600}
.btn{display:inline-block;background:var(--green);color:#fff;padding:10px 22px;border-radius:8px;font-weight:600;font-size:14px;border:none;cursor:pointer;transition:.2s}
.btn:hover{background:var(--green-l)}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn-outline:hover{background:var(--navy2);border-color:var(--green)}
.btn-lg{padding:13px 38px;font-size:16px}
.btn:disabled{opacity:.45;cursor:not-allowed}
.slide-wrap{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:30px 34px;min-height:380px}
.slide-title{font-size:22px;color:#fff;margin-bottom:14px;line-height:1.35}
.slide-sub{color:var(--green-l);font-size:14px;font-weight:600;margin-bottom:16px}
.slide-body{color:#c8d0d8;font-size:15px}
.slide-body p{margin:10px 0}
.slide-body ul,.slide-body ol{padding-left:22px;margin:10px 0}
.slide-body li{margin:6px 0}
.slide-body strong{color:#fff}
.slide-body .box{background:var(--navy2);border-left:4px solid var(--green);border-radius:0 8px 8px 0;padding:12px 16px;margin:14px 0}
.slide-body .warn{background:#3a1a1a;border-left:4px solid var(--red);border-radius:0 8px 8px 0;padding:12px 16px;margin:14px 0}
.slide-body .tip{background:#1a2e24;border-left:4px solid var(--green-l);border-radius:0 8px 8px 0;padding:12px 16px;margin:14px 0}
.slide-body code{background:var(--navy2);padding:2px 6px;border-radius:4px;font-size:13px;color:var(--green-l)}
.nav-controls{display:flex;justify-content:space-between;align-items:center;margin-top:20px;gap:10px}
.nav-controls .pos{color:var(--dim);font-size:13px}
.quiz-q{margin-bottom:20px}
.quiz-q .qtext{font-weight:600;color:#fff;margin-bottom:10px;font-size:15px}
.quiz-opt{cursor:pointer;padding:12px 16px;border:2px solid var(--border);border-radius:10px;margin-bottom:8px;transition:.15s;font-size:14px}
.quiz-opt:hover{border-color:var(--green);background:var(--navy2)}
.quiz-opt.correct{border-color:var(--green);background:#1a3a2a;color:#fff}
.quiz-opt.wrong{border-color:var(--red);background:#3a1a1a;color:#fff}
.quiz-opt.locked{opacity:.6;pointer-events:none}
.result-box{text-align:center;padding:36px 20px}
.result-box .big{font-size:52px;margin-bottom:12px}
.result-box h2{color:#fff;margin-bottom:8px;font-size:24px}
.result-box p{color:var(--dim);margin-bottom:18px}
.cert-box{background:var(--panel);border:2px solid var(--green);border-radius:14px;padding:40px 34px;text-align:center;margin-top:20px}
.cert-box .cert-brand{font-size:13px;color:var(--green-l);text-transform:uppercase;letter-spacing:2px;font-weight:700}
.cert-box h1{font-size:30px;color:#fff;margin:14px 0 6px}
.cert-box .cert-name{font-size:22px;color:var(--green-l);font-weight:700;margin:12px 0}
.cert-box .cert-line{color:var(--dim);font-size:14px;margin:6px 0}
.cert-box .cert-modules{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin:16px 0}
.cert-box .cert-mod{background:var(--navy2);border:1px solid var(--border);border-radius:14px;padding:3px 10px;font-size:11px;color:var(--text)}
.cert-box .cert-sig{display:flex;justify-content:space-between;margin-top:30px;padding-top:14px;border-top:1px solid var(--border);font-size:12px;color:var(--dim)}
.auth-box{max-width:420px;margin:50px auto;background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:30px}
.auth-box h3{color:#fff;margin-bottom:18px;text-align:center}
input[type=text],input[type=email]{width:100%;padding:11px 14px;border-radius:8px;border:1px solid var(--border);background:var(--navy2);color:var(--text);font-size:14px;margin-bottom:12px}
input:focus{outline:none;border-color:var(--green)}
footer{text-align:center;padding:28px;color:var(--steel);font-size:12px;border-top:1px solid var(--border)}
.hidden{display:none!important}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--navy);border:1px solid var(--green);color:#fff;padding:12px 22px;border-radius:10px;font-size:14px;z-index:999;box-shadow:0 4px 20px rgba(0,0,0,.5)}
@media(max-width:640px){.hero h1{font-size:26px}.stat-bar{flex-wrap:wrap}.slide-wrap{padding:22px 18px}}
@media print{.nav,.no-print{display:none!important}body{background:#fff;color:#000}.cert-box{border:3px solid #182337;color:#000}.cert-box h1{color:#182337}.cert-box .cert-name{color:#3a8f4e}.cert-box .cert-line{color:#333}.cert-box .cert-mod{background:#f0f0f0;border-color:#999;color:#333}.container{max-width:100%;padding:10px}}