/* ZM Project — канон «тёмное стекло» для страниц авторизации (login/register/request-access) */
:root{
  --bg-0:#05080f;--bg-1:#0a1120;--glass:rgba(255,255,255,.05);--glass-2:rgba(255,255,255,.08);--line:rgba(255,255,255,.1);
  --text:#e7ecf5;--dim:rgba(231,236,245,.6);--faint:rgba(231,236,245,.4);
  --violet:#a78bfa;--violet-deep:#8b5cf6;--sky:#38bdf8;--emerald:#34d399;--amber:#fbbf24;--rose:#fb7185;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg-0);color:var(--text);font-family:Adekvat,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh}
a{color:inherit;text-decoration:none}
.auth-bg{position:fixed;inset:0;z-index:-1;background:
  radial-gradient(680px 460px at 18% -8%,rgba(139,92,246,.24),transparent 60%),
  radial-gradient(720px 480px at 88% 0%,rgba(56,189,248,.16),transparent 60%),
  radial-gradient(820px 620px at 60% 112%,rgba(52,211,153,.10),transparent 60%),
  linear-gradient(180deg,var(--bg-1) 0%,var(--bg-0) 60%)}
.auth-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:36px 18px}
.auth-card{width:100%;max-width:430px;border:1px solid var(--line);border-radius:22px;padding:30px 28px;
  background:linear-gradient(160deg,rgba(167,139,250,.08),rgba(13,22,38,.55) 55%,rgba(56,189,248,.07));
  box-shadow:0 40px 90px rgba(2,6,23,.6),inset 0 1px 0 rgba(255,255,255,.07);backdrop-filter:blur(16px)}
.auth-card.wide{max-width:560px}

/* шапка карточки */
.auth-logo{display:flex;align-items:center;justify-content:center;gap:11px;font-weight:850;font-size:1.15rem;letter-spacing:-.01em}
.auth-logo img{width:38px;height:38px;object-fit:contain;filter:drop-shadow(0 6px 18px rgba(139,92,246,.45))}
.auth-beta{font-size:.56rem;font-weight:800;letter-spacing:.12em;padding:3px 8px;border-radius:999px;color:var(--amber);
  background:rgba(251,191,36,.16);border:1px solid rgba(251,191,36,.4)}
.auth-head{text-align:center;margin:18px 0 22px}
.auth-head h1{font-size:1.5rem;font-weight:850;letter-spacing:-.02em}
.auth-sub{color:var(--dim);font-size:.9rem;margin-top:7px}

/* алёрты */
.a-alert{display:flex;gap:9px;align-items:flex-start;font-size:.88rem;padding:11px 14px;border-radius:12px;margin-bottom:16px;border:1px solid}
.a-alert i{margin-top:2px}
.a-alert.err{color:#fecaca;background:rgba(244,63,94,.1);border-color:rgba(251,113,133,.32)}
.a-alert.ok{color:#bbf7d0;background:rgba(52,211,153,.1);border-color:rgba(52,211,153,.34)}
.a-alert.info{color:#bae6fd;background:rgba(56,189,248,.1);border-color:rgba(56,189,248,.3)}
.a-alert.warn{color:#fde68a;background:rgba(251,191,36,.1);border-color:rgba(251,191,36,.32)}
.a-alert b{display:block;margin-bottom:2px}

/* поля */
.a-field{margin-bottom:15px}
.a-label{display:block;font-size:.82rem;font-weight:600;color:var(--dim);margin-bottom:7px}
.a-label .req{color:var(--rose)}
.a-input,.a-select{width:100%;padding:12px 14px;font-size:.96rem;color:var(--text);
  background:rgba(7,11,20,.6);border:1px solid var(--line);border-radius:12px;transition:border-color .15s,box-shadow .15s}
.a-input::placeholder{color:var(--faint)}
.a-input:focus,.a-select:focus{outline:none;border-color:rgba(167,139,250,.6);box-shadow:0 0 0 3px rgba(139,92,246,.18)}
.a-input.code{text-transform:uppercase;letter-spacing:.12em;font-weight:700}
.a-input.big{font-size:1.4rem;text-align:center;letter-spacing:.4em;font-weight:800;padding:14px}
.a-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23a0a8bb' viewBox='0 0 16 16'%3E%3Cpath d='M3.2 5.6 8 10.4l4.8-4.8'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 13px center}
.a-note{font-size:.76rem;color:var(--faint);margin-top:6px}
.a-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:440px){.a-row{grid-template-columns:1fr}}

/* чекбокс */
.a-check{display:flex;align-items:flex-start;gap:9px;font-size:.86rem;color:var(--dim);margin-bottom:16px;cursor:pointer}
.a-check input{width:18px;height:18px;margin-top:1px;accent-color:var(--violet);flex:0 0 auto}
.a-check a{color:var(--sky);font-weight:600}

/* кнопки */
.a-btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;width:100%;font-weight:700;font-size:.98rem;
  padding:14px 22px;border-radius:13px;border:1px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s}
.a-btn:hover{transform:translateY(-2px)}
.a-btn-primary{background:linear-gradient(135deg,var(--violet-deep),var(--violet));color:#11071f;box-shadow:0 14px 40px rgba(139,92,246,.4)}
.a-btn-primary:hover{box-shadow:0 18px 52px rgba(139,92,246,.55)}
.a-btn-ghost{background:var(--glass);border-color:var(--line);color:var(--text)}
.a-btn-ghost:hover{border-color:rgba(167,139,250,.5);background:var(--glass-2)}
.a-actions{display:flex;flex-direction:column;gap:10px}

/* разделитель / низ */
.a-sep{height:1px;background:var(--line);margin:22px 0}
.a-foot{text-align:center;font-size:.88rem;color:var(--dim)}
.a-foot a{color:var(--sky);font-weight:700}
.a-foot a:hover{text-decoration:underline}
.a-back{display:block;text-align:center;margin-top:14px;color:var(--faint);font-size:.84rem}
.a-back:hover{color:var(--text)}

/* капча */
.a-captcha{display:flex;gap:14px;align-items:flex-start;flex-wrap:wrap}
.a-captcha img{border-radius:12px;border:1px solid var(--line);cursor:pointer;width:220px;max-width:100%;height:auto}
.a-captcha .grow{flex:1;min-width:160px}