:root{
    --brand:#0C8A4B;
    --brand-soft:rgba(255,255,255,.14);
    --ink:#12212F;
    --text:#12212F;
    --dim:#6B7A88;
    --line:#DCE3EA;
    --line-soft:#EDF1F5;
    --surface:#FFFFFF;
    --surface-2:#F6F8FA;
    --accent:#12A75D;
    --ok:#1B6B4A;
    --danger:#B3261E;
    --radius:12px;
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  html,body{height:100%;}
  body{
    font-family:'Inter',sans-serif;color:var(--text);background:var(--surface);
    display:flex;min-height:100vh;font-size:14px;
  }
  ::selection{background:rgba(18,167,93,.18);}

  /* ============ ЛЕВАЯ ЧАСТЬ 70% ============ */
  .hero{
    flex:0 0 70%;background:var(--brand);color:#fff;
    display:flex;flex-direction:column;align-items:center;justify-content:center;
    padding:48px 40px;position:relative;
  }
  .hero-inner{display:flex;align-items:center;gap:40px;max-width:840px;}
  .logo-plate{
    width:230px;height:230px;border-radius:36px;background:#fff;flex-shrink:0;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 24px 60px -26px rgba(0,0,0,.45);
  }
  .logo-plate img{width:180px;height:180px;object-fit:contain;display:block;}
  .hero-text{text-align:left;}
  .wordmark-img{display:block;max-width:280px;width:100%;height:auto;margin-top:22px;}
  .wordmark{
    font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:76px;letter-spacing:3px;
    line-height:1;color:#fff;
  }
  .rule{width:64px;height:3px;background:rgba(255,255,255,.5);border-radius:3px;margin:20px 0 18px;}
  .taglines{display:flex;flex-direction:column;gap:9px;}
  .taglines .tx{font-size:16px;line-height:1.45;color:#fff;}
  .taglines .tx.main{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:18px;}

  /* ============ ПРАВАЯ ЧАСТЬ 30% ============ */
  .side{
    flex:0 0 30%;background:var(--surface);
    display:flex;flex-direction:column;padding:32px 34px;min-width:320px;
  }
  .side-top{display:flex;justify-content:flex-end;}
  .lang{display:flex;gap:2px;background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:2px;}
  .lang button{
    border:none;background:transparent;border-radius:8px;padding:6px 10px;cursor:pointer;
    font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:600;color:var(--dim);transition:.15s ease;
  }
  .lang button.on{background:var(--brand);color:#fff;}

  .form-wrap{flex:1;display:flex;flex-direction:column;justify-content:center;}
  .form-wrap h1{font-family:'Space Grotesk',sans-serif;font-size:23px;font-weight:600;}
  .form-wrap .sub{font-size:13px;color:var(--dim);margin-top:6px;line-height:1.5;}

  .field{display:flex;flex-direction:column;gap:6px;margin-top:16px;}
  .field label{font-family:'JetBrains Mono',monospace;font-size:10.5px;color:var(--dim);text-transform:uppercase;letter-spacing:.5px;}
  .inp{position:relative;display:flex;align-items:center;}
  input{
    width:100%;background:var(--surface);border:1px solid var(--line);border-radius:10px;
    padding:11px 13px;font-family:'Inter',sans-serif;font-size:14px;color:var(--text);outline:none;
    transition:border-color .15s ease, box-shadow .15s ease;
  }
  input::placeholder{color:#A9B5C0;}
  input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(18,167,93,.18);}
  .eye{
    position:absolute;right:6px;border:none;background:transparent;cursor:pointer;
    padding:7px 8px;border-radius:8px;color:var(--dim);font-family:'JetBrains Mono',monospace;font-size:10.5px;font-weight:600;
  }
  .eye:hover{color:var(--brand);}

  .row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;flex-wrap:wrap;}
  .remember{display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--dim);cursor:pointer;}
  .remember input{width:15px;height:15px;accent-color:var(--brand);}
  .link{font-size:12.5px;color:var(--brand);text-decoration:none;font-weight:600;}
  .link:hover{text-decoration:underline;}

  .btn{
    width:100%;margin-top:18px;border:none;background:var(--brand);color:#fff;
    font-family:'Inter',sans-serif;font-size:14.5px;font-weight:600;
    padding:13px 16px;border-radius:10px;cursor:pointer;transition:.15s ease;
  }
  .btn:hover{background:#0A7440;}
  .btn:active{transform:translateY(1px);}
  .err{color:var(--danger);font-size:12px;margin-top:10px;display:none;line-height:1.45;}
  .err.on{display:block;}
  .ok-note{color:var(--ok);font-size:12px;margin-top:10px;display:none;font-weight:600;}
  .ok-note.on{display:block;}

  /* Пояснение, почему кабинет закрылся сам: не ошибка ввода, поэтому
     отдельный спокойный блок над формой, а не красный текст под кнопкой. */
  .session-note{
    display:none;margin:0 0 16px;padding:10px 12px;border-radius:10px;
    background:#FFF6E5;border:1px solid #EFD9A6;color:#7A5A12;
    font-size:12.5px;line-height:1.45;
  }
  .session-note.on{display:block;}

  .divider{display:flex;align-items:center;gap:10px;margin:20px 0 4px;color:var(--dim);font-size:11px;}
  .divider::before,.divider::after{content:'';flex:1;height:1px;background:var(--line-soft);}
  .reg{font-size:12.5px;color:var(--dim);text-align:center;margin-top:10px;line-height:1.5;}

  .contacts{border-top:1px solid var(--line-soft);padding-top:16px;display:flex;flex-direction:column;gap:9px;}
  .contact{display:flex;align-items:center;gap:9px;font-size:13px;}
  .contact svg{width:16px;height:16px;stroke:var(--brand);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;}
  .contact a{color:var(--text);text-decoration:none;font-weight:600;}
  .contact a:hover{color:var(--brand);}
  .contact .lbl{color:var(--dim);font-size:11.5px;}
  .copy{font-family:'JetBrains Mono',monospace;font-size:10px;color:var(--dim);margin-top:14px;}

  button:focus-visible,input:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

  /* ============ АДАПТИВ ============ */
  @media (max-width:1100px){
    .hero-inner{gap:28px;}
    .logo-plate{width:180px;height:180px;border-radius:30px;}
    .logo-plate img{width:140px;height:140px;}
    .wordmark-img{display:block;max-width:280px;width:100%;height:auto;margin-top:22px;}
  .wordmark{font-size:56px;}
    .taglines .tx{font-size:14.5px;}
    .taglines .tx.main{font-size:16px;}
  }
  @media (max-width:860px){
    body{flex-direction:column;}
    .hero{flex:0 0 auto;padding:26px 20px 24px;}
    .hero-inner{gap:18px;align-items:center;}
    .logo-plate{width:96px;height:96px;border-radius:20px;box-shadow:0 12px 28px -16px rgba(0,0,0,.4);}
    .logo-plate img{width:74px;height:74px;}
    .wordmark-img{display:block;max-width:280px;width:100%;height:auto;margin-top:22px;}
  .wordmark{font-size:34px;letter-spacing:2px;}
    .rule{margin:12px 0 10px;width:44px;}
    .taglines{gap:5px;}
    .taglines .tx{font-size:12.5px;}
    .taglines .tx.main{font-size:13.5px;}
    .side{flex:1;min-width:0;padding:22px 20px 26px;}
    .form-wrap{justify-content:flex-start;padding-top:18px;}
    input{font-size:16px;padding:12px 13px;}
    .btn{padding:14px 16px;}
  }
  @media (prefers-reduced-motion: reduce){*{transition:none!important;}}