:root {
  --auth-bg: #edf4f3;
  --auth-ink: #17212f;
  --auth-muted: #667085;
  --auth-line: #d9e2e6;
  --auth-brand: #0f8b7c;
  --auth-brand-dark: #08675e;
  --auth-soft: #e8f7f4;
  --auth-danger: #c53b3b;
  --auth-success: #14745f;
}

html,
body {
  min-height: 100%;
  margin: 0;
  color: var(--auth-ink);
  background: var(--auth-bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
}

body.auth-page {
  min-height: 100vh;
  overflow: auto;
  background: var(--auth-bg);
}

.auth-page .bg-decor,
.auth-page #particle-canvas {
  display: none;
}

.auth-page .login-shell {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.auth-page .login-card,
.auth-page .auth-register-card {
  width: min(430px, 100%);
  overflow: hidden;
  border: 1px solid var(--auth-line);
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 18px 46px rgba(16, 24, 40, .1);
}

.auth-brand-panel {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 26px;
  color: #fff;
  background: #155563;
}

.auth-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 7px;
  color: #155563;
  background: #d9f4ef;
  font-size: 18px;
  font-weight: 900;
}

.auth-brand-name {
  display: block;
  font-size: 17px;
  font-weight: 800;
}

.auth-brand-caption {
  display: block;
  margin-top: 2px;
  color: rgba(255, 255, 255, .72);
  font-size: 12px;
}

.auth-page .login-header {
  padding: 26px 28px 6px;
}

.auth-page .login-title,
.auth-register-title {
  margin: 0;
  color: var(--auth-ink);
  font-size: 23px;
  font-weight: 800;
  line-height: 1.3;
}

.auth-page .login-subtitle,
.auth-register-subtitle {
  margin: 7px 0 0;
  color: var(--auth-muted);
  font-size: 13px;
}

.auth-page .login-body,
.auth-register-body {
  padding: 18px 28px 28px;
}

.auth-page .form-label,
.auth-register-body .form-label {
  margin-bottom: 7px;
  color: #344054;
  font-size: 12px;
  font-weight: 800;
}

.auth-page .form-control,
.auth-register-body .form-control {
  height: 42px;
  padding: 8px 11px;
  border: 1px solid var(--auth-line);
  border-radius: 6px;
  color: var(--auth-ink);
  box-shadow: none;
}

.auth-page .form-control:focus,
.auth-register-body .form-control:focus {
  border-color: var(--auth-brand);
  box-shadow: 0 0 0 3px rgba(15, 139, 124, .12);
}

.auth-page .btn-primary,
.auth-register-body .btn-primary {
  height: 42px;
  border: 0;
  border-radius: 6px;
  color: #fff;
  background: var(--auth-brand);
  font-size: 13px;
  font-weight: 800;
  transition: background .15s ease, transform .15s ease;
}

.auth-page .btn-primary:hover,
.auth-register-body .btn-primary:hover {
  background: var(--auth-brand-dark);
  transform: translateY(-1px);
}

.auth-page .btn-primary:disabled,
.auth-register-body .btn-primary:disabled {
  opacity: .7;
  transform: none;
}

.auth-page .form-message {
  min-height: 22px;
  margin: 4px 0 8px;
  color: var(--auth-muted);
  font-size: 12px;
}

.auth-page .form-message.error { color: var(--auth-danger); }
.auth-page .form-message.success { color: var(--auth-success); }

.auth-register-shell {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.auth-register-card { margin: 0 auto; }

.auth-register-header {
  padding: 26px 28px 6px;
}

.auth-register-body .d-grid { margin-top: 18px; }

.auth-register-body .btn-outline-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border: 1px solid var(--auth-line);
  border-radius: 6px;
  color: var(--auth-muted);
  background: #fff;
  font-size: 12px;
  font-weight: 700;
}

.auth-register-body .btn-outline-secondary:hover {
  border-color: var(--auth-brand);
  color: var(--auth-brand-dark);
  background: var(--auth-soft);
}

@media (max-width: 520px) {
  .auth-page .login-shell,
  .auth-register-shell { padding: 12px; }
  .auth-page .login-header,
  .auth-register-header { padding-right: 20px; padding-left: 20px; }
  .auth-page .login-body,
  .auth-register-body { padding-right: 20px; padding-left: 20px; }
  .auth-brand-panel { padding-right: 20px; padding-left: 20px; }
}