:root {
  --login-bg-1: #0c1218;
  --login-bg-2: #132029;
  --login-panel: rgba(23, 29, 37, 0.92);
}

body.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(ellipse 80% 60% at 10% 20%, rgba(31, 167, 160, 0.18), transparent 55%),
    radial-gradient(ellipse 70% 50% at 90% 80%, rgba(45, 90, 120, 0.22), transparent 50%),
    linear-gradient(145deg, var(--login-bg-1), var(--login-bg-2));
  padding: 24px;
}

.login-card {
  width: min(420px, 100%);
  background: var(--login-panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.login-brand {
  margin-bottom: 28px;
}

.login-brand .mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: var(--accent);
  color: #041312;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.login-brand h1 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.login-brand p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.login-form label {
  display: block;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.login-form .field {
  margin-bottom: 16px;
}

.login-form input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background-color: var(--bg-elevated);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.login-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.login-error {
  display: none;
  margin-bottom: 14px;
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--danger-soft);
  color: #ffb4b4;
  font-size: 0.9rem;
}

.login-error.visible {
  display: block;
}

.login-ok {
  display: none;
  margin-bottom: 14px;
  padding: 10px 12px;
  border-radius: 8px;
  background: rgba(60, 179, 113, 0.15);
  color: #9be7b8;
  font-size: 0.9rem;
}

.login-ok.visible {
  display: block;
}

.login-form .hint {
  margin: 0 0 14px;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.4;
}

.linkish {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 0;
}

.linkish:hover {
  text-decoration: underline;
}

.login-submit {
  width: 100%;
  margin-top: 8px;
  padding: 12px 16px;
  border-radius: 10px;
  background: var(--accent);
  color: #041312;
  font-weight: 600;
  transition: background 0.15s ease, transform 0.1s ease;
}

.login-submit:hover {
  background: var(--accent-hover);
}

.login-submit:disabled {
  opacity: 0.65;
  cursor: wait;
}

.login-footer {
  margin-top: 18px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.login-footer .deferred {
  opacity: 0.7;
}