:root {
  color-scheme: dark;
  --login-bg: #08151a;
  --login-bg-glow: rgba(74, 222, 128, 0.18);
  --login-card: rgba(10, 23, 30, 0.92);
  --login-card-border: rgba(144, 238, 144, 0.18);
  --login-text: #e8fff1;
  --login-muted: #9ab8a4;
  --login-accent: #67e8a5;
  --login-accent-strong: #22c55e;
  --login-input: rgba(6, 15, 19, 0.9);
  --login-alert-bg: rgba(220, 38, 38, 0.18);
  --login-alert-border: rgba(248, 113, 113, 0.36);
}

* {
  box-sizing: border-box;
}

body.login-page {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--login-text);
  background:
    linear-gradient(rgba(8, 21, 26, 0.82), rgba(8, 21, 26, 0.9)),
    url('/images/login-brand-bg.png'),
    radial-gradient(circle at top, var(--login-bg-glow), transparent 40%),
    linear-gradient(160deg, #071116 0%, var(--login-bg) 55%, #03080b 100%);
  background-position: center, center, top center, center;
  background-repeat: no-repeat, no-repeat, no-repeat, no-repeat;
  background-size: cover, min(78vw, 760px), auto, cover;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(100%, 420px);
  padding: 32px;
  border: 1px solid var(--login-card-border);
  border-radius: 24px;
  background: var(--login-card);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(18px);
}

.login-copy h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 5vw, 2.6rem);
}

.login-copy p {
  margin: 0 0 24px;
  color: var(--login-muted);
  line-height: 1.5;
}

.login-eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--login-accent);
}

.login-alert {
  margin-bottom: 18px;
  padding: 12px 14px;
  border: 1px solid var(--login-alert-border);
  border-radius: 14px;
  background: var(--login-alert-bg);
  color: #ffd4d4;
}

.login-form {
  display: grid;
  gap: 16px;
}

.login-field {
  display: grid;
  gap: 8px;
  font-size: 0.95rem;
  color: var(--login-muted);
}

.login-field input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(154, 184, 164, 0.22);
  border-radius: 14px;
  background: var(--login-input);
  color: var(--login-text);
  font-size: 1rem;
}

.login-field input:focus {
  outline: 2px solid rgba(103, 232, 165, 0.28);
  border-color: rgba(103, 232, 165, 0.55);
}

.login-submit {
  margin-top: 8px;
  border: 0;
  border-radius: 14px;
  padding: 14px 18px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  color: #04210f;
  background: linear-gradient(135deg, var(--login-accent), var(--login-accent-strong));
}

.login-submit:hover {
  filter: brightness(1.05);
}

@media (max-width: 480px) {
  .login-card {
    padding: 24px;
    border-radius: 20px;
  }
}