:root {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #edf8ff;
  background: #07111b;
  font-synthesis: none;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: #07111b; }
button, input { font: inherit; }
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 50% 32%, rgba(22, 166, 224, .10), transparent 30%),
    linear-gradient(150deg, #06101a, #081522 60%, #06101a);
}
.login-card {
  width: min(100%, 410px);
  padding: 34px;
  border: 1px solid rgba(111, 198, 232, .17);
  border-radius: 18px;
  background: rgba(9, 23, 36, .96);
  box-shadow: 0 28px 80px rgba(0, 0, 0, .34);
}
.login-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 30px; }
.login-brand img { width: 42px; height: 42px; object-fit: contain; filter: drop-shadow(0 0 14px rgba(45, 199, 255, .22)); }
.login-brand div { display: grid; gap: 2px; }
.login-brand strong { font-size: 19px; letter-spacing: -.02em; }
.login-brand span { color: #6f899d; font-size: 11px; }
h1 { margin: 0 0 24px; font-size: 28px; letter-spacing: -.035em; }
form { display: grid; gap: 16px; }
label { display: grid; gap: 7px; color: #9bb1c1; font-size: 13px; font-weight: 650; }
input {
  width: 100%; min-height: 50px; padding: 0 14px;
  color: #edf8ff; border: 1px solid rgba(121, 184, 213, .22);
  border-radius: 11px; outline: none; background: #071521;
  transition: border-color .18s, box-shadow .18s, background .18s;
}
input:focus { border-color: rgba(52, 199, 255, .72); box-shadow: 0 0 0 4px rgba(52, 199, 255, .09); background: #091a28; }
.password-field { position: relative; }
.password-field input { padding-right: 78px; }
.password-field button {
  position: absolute; right: 8px; top: 8px; height: 34px; padding: 0 10px;
  border: 0; border-radius: 8px; color: #65d4ff; background: rgba(41, 183, 238, .08); cursor: pointer;
}
.auth-submit {
  min-height: 50px; margin-top: 4px; border: 0; border-radius: 11px;
  color: #03111a; background: linear-gradient(135deg, #2ec8ff, #4de1cf);
  font-weight: 800; cursor: pointer; box-shadow: 0 12px 28px rgba(35, 196, 244, .15);
}
.auth-submit:hover { filter: brightness(1.05); }
.auth-submit:disabled { opacity: .62; cursor: wait; }
.auth-message { margin-bottom: 16px; padding: 11px 13px; border: 1px solid rgba(255, 96, 119, .28); border-radius: 10px; color: #ffc0ca; background: rgba(144, 26, 47, .16); font-size: 13px; line-height: 1.4; }
.auth-message.info { border-color: rgba(54, 191, 255, .3); color: #a8e6ff; background: rgba(23, 114, 155, .14); }
.login-version { display: block; margin-top: 22px; color: #526d80; text-align: right; font-size: 10px; letter-spacing: .08em; }
.hidden { display: none !important; }
@media (max-width: 520px) { .login-page { padding: 16px; } .login-card { padding: 26px 22px; } }