:root {
  --login-bg: #0a0f16;
  --login-bg-soft: #101722;
  --login-panel: #151c27;
  --login-panel-2: #111923;
  --login-border: #2b3c56;
  --login-border-strong: #36527a;
  --login-text: #e8edf5;
  --login-muted: #96a4b8;
  --login-muted-strong: #b8c2d1;
  --login-accent: #0ea5e9;
  --login-accent-strong: #38bdf8;
  --login-danger: #f87171;
  --login-danger-bg: rgba(248, 113, 113, 0.12);
  --login-danger-border: rgba(248, 113, 113, 0.45);
  --login-radius: 0.82rem;
  --login-control-height: 2.15rem;
  --login-font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  display: grid;
  place-items: center;
  padding: 1.1rem;
  background:
    radial-gradient(circle at 18% 12%, rgba(14, 165, 233, 0.12), transparent 24rem),
    radial-gradient(circle at 84% 82%, rgba(59, 130, 246, 0.09), transparent 22rem),
    linear-gradient(135deg, var(--login-bg), #0d131d 48%, #080d14);
  color: var(--login-text);
  font-family: var(--login-font);
}

.login-shell {
  width: min(25.5rem, calc(100vw - 1.2rem));
  margin: 0;
  padding: 0;
}

.login-panel {
  position: relative;
  overflow: hidden;
  margin: 0;
  padding: 1.15rem;
  border: 1px solid var(--login-border);
  border-radius: var(--login-radius);
  background: linear-gradient(180deg, rgba(21, 28, 39, 0.96), rgba(17, 24, 35, 0.98));
  box-shadow: 0 1.2rem 3rem rgba(0, 0, 0, 0.3);
}

.login-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-top: 1px solid rgba(148, 163, 184, 0.14);
  background: linear-gradient(90deg, rgba(14, 165, 233, 0.1), transparent 42%);
  opacity: 0.72;
}

.login-brand,
.login-alert,
.login-form {
  position: relative;
  z-index: 1;
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 0.68rem;
  padding-bottom: 0.82rem;
  margin-bottom: 0.82rem;
  border-bottom: 1px solid rgba(64, 82, 112, 0.7);
}

.login-brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.66rem;
  background: linear-gradient(135deg, #38bdf8, #0ea5e9 58%, #2563eb);
  color: #06111d;
  font-weight: 900;
  letter-spacing: -0.08em;
  box-shadow: 0 0.75rem 1.4rem rgba(14, 165, 233, 0.22);
}

.login-brand-copy {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  line-height: 1.1;
}

.login-brand-copy strong {
  color: var(--login-text);
  font-size: 0.92rem;
  font-weight: 850;
  letter-spacing: -0.02em;
}

.login-brand-copy small {
  color: var(--login-muted);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}


.login-alert {
  display: flex;
  flex-direction: column;
  gap: 0.16rem;
  margin: 0 0 0.82rem;
  padding: 0.62rem 0.7rem;
  border: 1px solid var(--login-danger-border);
  border-radius: 0.58rem;
  background: var(--login-danger-bg);
  color: #fecaca;
  font-size: 0.74rem;
  line-height: 1.35;
}

.login-alert strong {
  color: #fecaca;
  font-size: 0.76rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 0.72rem;
}

.login-field {
  display: flex;
  flex-direction: column;
  gap: 0.32rem;
  margin: 0;
  color: var(--login-muted-strong);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.login-field span {
  display: block;
  line-height: 1.2;
}

.login-field input {
  width: 100%;
  height: var(--login-control-height);
  min-height: var(--login-control-height);
  margin: 0;
  padding: 0.42rem 0.66rem;
  border: 1px solid var(--login-border);
  border-radius: 0.52rem;
  background: #0f1721;
  color: var(--login-text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
  font-size: 0.86rem;
  font-weight: 650;
  line-height: 1.15;
  outline: none;
  transition: border-color 140ms ease, box-shadow 140ms ease, background-color 140ms ease;
}

.login-field input:hover {
  border-color: rgba(86, 112, 153, 0.95);
  background: #101a27;
}

.login-field input:focus {
  border-color: var(--login-accent-strong);
  box-shadow: 0 0 0 0.13rem rgba(14, 165, 233, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  background: #111c29;
}

.login-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 2.15rem;
  margin: 0.1rem 0 0;
  padding: 0.44rem 0.78rem;
  border: 1px solid rgba(14, 165, 233, 0.82);
  border-radius: 0.52rem;
  background: linear-gradient(180deg, #0ea5e9, #0284c7);
  color: #f8fbff;
  box-shadow: 0 0.75rem 1.6rem rgba(2, 132, 199, 0.18);
  font-size: 0.82rem;
  font-weight: 850;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: transform 120ms ease, filter 120ms ease, box-shadow 120ms ease;
}

.login-submit:hover,
.login-submit:focus {
  filter: brightness(1.06);
  box-shadow: 0 0.9rem 1.8rem rgba(2, 132, 199, 0.24);
}

.login-submit:active {
  transform: translateY(1px);
}

.errorlist {
  margin: 0 0 0.65rem;
  padding: 0;
  list-style: none;
  color: var(--login-danger);
  font-size: 0.74rem;
}

@media (max-width: 520px) {
  body {
    place-items: start center;
    padding-top: 1rem;
  }

  .login-shell {
    width: 100%;
  }

  .login-panel {
    padding: 0.95rem;
  }
}