:root{
  --bg:#061018;
  --bg2:#091722;
  --panel:#0b1b27;
  --panel2:#0e2230;
  --line:#17384a;
  --text:#e9f8ff;
  --muted:#8fb3c2;
  --cyan:#67e8f9;
  --green:#63f5a6;
  --amber:#ffd166;
  --red:#ff6b78;
  --radius:18px;
  --shadow:0 24px 80px rgba(0,0,0,.38);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:
 radial-gradient(circle at 85% 15%,rgba(103,232,249,.08),transparent 28%),
 linear-gradient(180deg,#061018,#07131c 42%,#061018);
 color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;min-height:100vh}
a{color:var(--cyan);text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{max-width:100%}
.container{width:min(1180px,calc(100% - 32px));margin:auto}
.narrow{width:min(820px,calc(100% - 32px))}
main{min-height:calc(100vh - 170px)}
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:16px max(16px,calc((100vw - 1180px)/2));background:rgba(6,16,24,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(103,232,249,.12)}
.brand{display:flex;gap:10px;align-items:center;color:#fff;font-weight:700;letter-spacing:.09em}.brand strong{color:var(--cyan)}
.radar-dot{width:16px;height:16px;border:1px solid var(--cyan);border-radius:50%;box-shadow:0 0 0 4px rgba(103,232,249,.08),0 0 18px rgba(103,232,249,.35);position:relative}.radar-dot:after{content:"";position:absolute;inset:4px;background:var(--green);border-radius:50%}
.nav{display:flex;align-items:center;gap:22px}.nav a,.link-button{color:#c7e0ea;font-size:14px;background:none;border:0;padding:0}.nav a:hover,.link-button:hover{color:#fff}
.nav-toggle{display:none;border:1px solid var(--line);color:#fff;background:var(--panel);border-radius:10px;padding:8px 10px}
.inline-form{display:inline-flex;margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--cyan);background:var(--cyan);color:#03212b;border-radius:12px;padding:13px 18px;font-weight:800;box-shadow:0 10px 30px rgba(103,232,249,.12);transition:.2s}.btn:hover{transform:translateY(-1px);filter:brightness(1.05)}.btn-small{padding:9px 13px}.btn-wide{width:100%;margin-top:18px}.btn-ghost{background:transparent;color:var(--cyan);box-shadow:none}
.flash{max-width:1180px;margin:18px auto 0;padding:13px 16px;border-radius:12px;border:1px solid}.flash-success{background:#0c2a23;border-color:#1f6c55;color:#bfffe3}.flash-error{background:#32171e;border-color:#6b2c3a;color:#ffd6dc}
.eyebrow{font-size:12px;letter-spacing:.18em;color:var(--cyan);font-weight:800;text-transform:uppercase;margin-bottom:10px}
.hero{padding:78px 0 72px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}.hero h1{font-size:clamp(48px,7vw,88px);line-height:.98;letter-spacing:-.055em;margin:0 0 22px}.hero h1 span{display:block;color:#93b9c8}.hero p{font-size:18px;line-height:1.7;color:#b2cfda;max-width:720px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:34px}.hero-kpis div{border-top:1px solid var(--line);padding-top:14px}.hero-kpis strong{display:block;font-size:22px}.hero-kpis span{font-size:12px;color:var(--muted)}
.radar-card{background:linear-gradient(145deg,#0b1c28,#08141d);border:1px solid #1e4658;border-radius:30px;padding:24px;box-shadow:var(--shadow);position:relative}.radar{aspect-ratio:1;border:1px solid #204b59;border-radius:50%;position:relative;overflow:hidden;background:radial-gradient(circle,#0d2530 0,#07131c 64%,#061018 100%);box-shadow:inset 0 0 80px #000}.radar:before,.radar:after{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:#1d4552}.radar:after{transform:rotate(90deg)}.ring{position:absolute;border:1px solid #1a4553;border-radius:50%;inset:18%}.r2{inset:34%}.r3{inset:46%}.sweep{position:absolute;width:50%;height:50%;left:50%;top:50%;transform-origin:0 0;background:linear-gradient(25deg,transparent 60%,rgba(99,245,166,.22));animation:sweep 5s linear infinite}.target{position:absolute;width:8px;height:8px;background:var(--green);border-radius:50%;box-shadow:0 0 14px var(--green)}.t1{top:27%;left:64%}.t2{top:58%;left:31%}.t3{top:73%;left:70%}@keyframes sweep{to{transform:rotate(360deg)}}
.radio-strip{display:flex;justify-content:space-between;align-items:center;margin-top:16px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;color:var(--muted);font-size:11px;letter-spacing:.11em}.radio-strip strong{color:var(--cyan);font-size:20px;letter-spacing:.08em}
.waveform,.wave-live{display:flex;align-items:center;gap:3px;height:64px;margin-top:16px;overflow:hidden}.waveform i,.wave-live i{display:block;flex:1;min-width:2px;height:var(--h);background:linear-gradient(180deg,var(--cyan),rgba(103,232,249,.16));border-radius:8px}
.section{padding:72px 0}.section-dark{background:#07131c;border-block:1px solid rgba(103,232,249,.08)}.section-head{text-align:center;max-width:780px;margin:0 auto 36px}.section-head.left{text-align:left;margin-left:0}.section-head h1,.section-head h2{font-size:clamp(34px,4.5vw,56px);line-height:1.04;letter-spacing:-.04em;margin:0 0 14px}.section-head p{color:var(--muted);line-height:1.65}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card,.panel{background:linear-gradient(180deg,var(--panel),#08151f);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 12px 38px rgba(0,0,0,.16)}.card .step{font-size:12px;color:var(--cyan);font-weight:800}.card h3{font-size:19px;margin:30px 0 10px}.card p,.panel p{color:var(--muted);line-height:1.6}
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.split h2{font-size:clamp(34px,5vw,60px);letter-spacing:-.05em;line-height:1.02;margin:0 0 16px}.split p{color:var(--muted);line-height:1.7}.mode-card{border:1px solid var(--line);border-radius:22px;overflow:hidden}.mode-card div{padding:25px;background:var(--panel);display:flex;flex-direction:column;gap:7px}.mode-card div+div{border-top:1px solid var(--line)}.mode-card strong{color:var(--cyan);letter-spacing:.08em}.mode-card span{color:var(--muted)}
.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px;border:1px solid #23576a;border-radius:24px;padding:34px;background:linear-gradient(135deg,#0c2230,#07141d)}.cta-box h2{margin:0;font-size:clamp(28px,4vw,44px);letter-spacing:-.04em}
.auth-wrap{display:grid;place-items:center;min-height:72vh;padding:60px 0}.auth-card{width:min(500px,100%);background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:var(--shadow)}.auth-card h1{font-size:38px;letter-spacing:-.04em;margin:0 0 8px}.auth-card>p{color:var(--muted)}
.form-stack{display:grid;gap:16px;margin-top:24px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-grid .full{grid-column:1/-1}label{display:flex;flex-direction:column;gap:7px;font-size:13px;color:#b8d3de;font-weight:600}input,select,textarea{width:100%;background:#06131c;border:1px solid #285064;color:#f4fbff;border-radius:11px;padding:12px 13px;outline:none}textarea{resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(103,232,249,.09)}select[multiple]{min-height:170px}.check{flex-direction:row;align-items:center}.check input{width:auto}.muted{color:var(--muted)!important;font-size:13px}
.dashboard-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}.dashboard-head h1{font-size:clamp(40px,5vw,64px);margin:0;letter-spacing:-.05em}.dashboard-head p{color:var(--muted)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:26px 0}.stats-grid .stat{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px}.stat span{display:block;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.12em}.stat strong{display:block;font-size:34px;margin-top:8px}
.dashboard-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.panel-title{display:flex;justify-content:space-between;align-items:flex-start;gap:15px}.panel-title h2{margin:0 0 10px}.status{display:inline-flex;align-items:center;gap:6px;padding:7px 9px;border-radius:999px;font-size:10px;font-weight:800;letter-spacing:.08em;background:#0d2730;border:1px solid #205367}.status.online{color:var(--green)}.status.warn{color:var(--amber)}.meta-row{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.meta-row span,.tag{font-size:11px;padding:6px 8px;border:1px solid #2a5263;border-radius:999px;color:#b6d6e1;background:#07161f}.tag{color:var(--cyan)}
.weak-list{display:grid;gap:10px}.weak-list div{display:grid;grid-template-columns:1fr auto;gap:4px 10px;border-bottom:1px solid #14303f;padding:10px 0}.weak-list span{font-weight:700}.weak-list small{grid-column:1/2;color:var(--muted)}.weak-list b{grid-column:2/3;grid-row:1/3;color:var(--amber);font-size:11px;align-self:center}.empty{border:1px dashed #265165;border-radius:13px;padding:18px;color:var(--muted)}
.install-card{margin-top:18px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.training-shell{padding:26px 0 80px;max-width:900px}.training-top{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:20px;margin-bottom:16px}.training-top>div{text-align:center}.training-top span{font-size:10px;color:var(--muted);letter-spacing:.13em}.training-top strong{display:block}.progress-track{height:4px;background:#15303e;border-radius:999px;margin-bottom:30px;overflow:hidden}.progress-track i{display:block;height:100%;background:var(--cyan);transition:.3s}
.training-step{display:none;background:linear-gradient(180deg,#0a1a25,#07141d);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow)}.training-step.active{display:block}.training-step h1{font-size:clamp(36px,6vw,64px);letter-spacing:-.05em;margin:6px 0 12px}.training-step h2{font-size:clamp(30px,4vw,46px);letter-spacing:-.04em;margin:6px 0 20px}
.radio-player{margin:24px 0;background:#041017;border:1px solid #204758;border-radius:18px;padding:20px;display:grid;grid-template-columns:auto auto 1fr;gap:18px;align-items:center}.frequency span{display:block;color:var(--muted);font-size:10px;letter-spacing:.15em}.frequency strong{font-size:24px;color:var(--cyan)}.play-btn{width:58px;height:58px;border-radius:50%;border:1px solid var(--cyan);background:#0b2530;color:var(--cyan);font-size:22px}.radio-player .wave-live{margin:0;height:52px}.transcript{border:1px solid var(--line);border-radius:12px;padding:13px 15px;margin:18px 0}.transcript summary{cursor:pointer;color:var(--cyan);font-weight:700}.transcript p{color:#c6dce5}
.next-step{margin-top:22px}.quiz-list{display:grid;gap:16px}.quiz-card{border:1px solid var(--line);border-radius:16px;padding:18px;background:#071722}.quiz-card h3{margin-top:0}.options{display:grid;gap:9px}.options button{border:1px solid #2a4d5c;background:#0b1f2b;color:#dcebf1;border-radius:11px;padding:12px;text-align:left}.options button:hover{border-color:var(--cyan)}.options button.correct{border-color:var(--green);background:#0c2d23}.options button.wrong{border-color:var(--red);background:#32151b}.options button:disabled{cursor:default;opacity:.72}.options b{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#153746;margin-right:8px}.feedback{margin-top:10px;color:var(--muted);font-size:13px}
.phrase-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.phrase-card{border:1px solid var(--line);border-radius:16px;padding:18px;background:#081925}.phrase-card h3{font-size:21px;margin:16px 0 8px}.phrase-card p{color:#c6dbe3}.phrase-card small{display:block;color:var(--muted);line-height:1.5}.card-actions button{margin-top:14px;background:none;border:1px solid #2b5363;color:var(--cyan);border-radius:10px;padding:8px 10px}
.shadow-card{border:1px solid var(--line);border-radius:16px;padding:18px;margin:14px 0;background:#071821}.shadow-card>span{font-size:10px;color:var(--muted);letter-spacing:.12em}.shadow-card h3{font-size:23px;margin:9px 0 16px}.shadow-actions{display:flex;gap:10px;flex-wrap:wrap}.speech-result{margin-top:12px;background:#051018;border-radius:10px;padding:12px;color:var(--muted);font-size:13px}.speech-result.good{color:var(--green)}.speech-result.warn{color:var(--amber)}
.result-hero{display:grid;grid-template-columns:190px 1fr;gap:28px;align-items:center}.score-ring{width:180px;height:180px;border-radius:50%;border:10px solid #153846;box-shadow:inset 0 0 40px #000;display:grid;place-items:center;align-content:center}.score-ring strong{font-size:42px;color:var(--cyan)}.score-ring span{font-size:10px;color:var(--muted);letter-spacing:.12em}
.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:650px}th,td{text-align:left;padding:12px 10px;border-bottom:1px solid #183341;font-size:13px}th{color:#8fb6c5;text-transform:uppercase;font-size:10px;letter-spacing:.12em}td small{color:var(--muted)}
.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:20px 0}.profile-grid>div{border:1px solid var(--line);border-radius:12px;padding:14px}.profile-grid .full{grid-column:1/-1}dt{font-size:10px;color:var(--muted);letter-spacing:.12em;text-transform:uppercase}dd{margin:7px 0 0;font-weight:700}
.admin-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:24px 0}.admin-nav .card{color:#fff}.admin-nav .card:hover{border-color:#2a5e70}.admin-nav h3{margin:0 0 8px}.admin-nav p{color:var(--muted);font-size:13px}
.footer{max-width:1180px;margin:0 auto;padding:35px 16px;border-top:1px solid rgba(103,232,249,.1);display:flex;justify-content:space-between;gap:20px;color:#9ebdca;font-size:12px}.footer strong{color:#fff}.footer-note{text-align:right}
.offline-banner{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:100;background:#402d0d;border:1px solid #8a661c;color:#ffe7a5;padding:10px 14px;border-radius:999px;font-size:12px;box-shadow:var(--shadow)}
.offline-page{max-width:850px;margin:auto;padding:30px 16px 80px}.offline-page h1{font-size:clamp(40px,7vw,70px);letter-spacing:-.05em}.offline-card{background:var(--panel);border:1px solid var(--line);padding:22px;border-radius:18px;margin:16px 0}
@media(max-width:960px){.hero-grid,.split,.dashboard-grid{grid-template-columns:1fr}.feature-grid{grid-template-columns:repeat(2,1fr)}.admin-nav{grid-template-columns:repeat(2,1fr)}.stats-grid{grid-template-columns:repeat(2,1fr)}.radar-card{max-width:620px;margin:auto}.dashboard-head{align-items:flex-start;flex-direction:column}}
@media(max-width:720px){.topbar{padding:13px 16px}.nav-toggle{display:block}.nav{position:absolute;top:64px;left:16px;right:16px;background:#081722;border:1px solid var(--line);border-radius:15px;padding:15px;display:none;flex-direction:column;align-items:stretch;box-shadow:var(--shadow)}.nav.open{display:flex}.nav .inline-form{display:block}.hero{padding-top:46px}.hero-grid{gap:34px}.hero-kpis{grid-template-columns:1fr}.feature-grid,.phrase-grid,.form-grid,.profile-grid{grid-template-columns:1fr}.form-grid .full,.profile-grid .full{grid-column:auto}.cta-box,.install-card{align-items:flex-start;flex-direction:column}.training-top{grid-template-columns:1fr auto}.training-top>div{display:none}.radio-player{grid-template-columns:1fr auto}.radio-player .wave-live{grid-column:1/-1}.result-hero{grid-template-columns:1fr}.score-ring{width:150px;height:150px}.admin-nav{grid-template-columns:1fr}.footer{flex-direction:column}.footer-note{text-align:left}.training-step{padding:20px}.stats-grid{grid-template-columns:1fr 1fr}.dashboard-head .btn{width:100%}}
@media(max-width:460px){.stats-grid{grid-template-columns:1fr}.hero h1{font-size:46px}.section{padding:52px 0}.training-shell{width:min(100% - 20px,900px)}}

.srs-stack .srs-card{display:none}.srs-stack .srs-card.active{display:block}.srs-card h2{font-size:clamp(32px,5vw,52px);letter-spacing:-.04em}
.atc-console{margin-top:22px}.atc-message{margin-top:14px;padding:18px;border:1px solid var(--line);border-radius:16px;background:#06131c}.atc-message.pilot{background:#0a1e28}.atc-message>span{font-size:10px;letter-spacing:.15em;color:var(--cyan);font-weight:800}.atc-message p{font-size:20px;color:#e8f7fd;margin:10px 0 14px;line-height:1.55}

.danger{color:var(--red)!important;border-color:rgba(255,107,120,.45)!important}

.code-output{white-space:pre-wrap;word-break:break-word;max-height:580px;overflow:auto;background:#041018;border:1px solid var(--line);padding:16px;border-radius:12px;color:#cce8f2;font-size:12px;line-height:1.55}

.legal h2{margin-top:28px}.legal p{color:var(--muted);line-height:1.75}