:root {
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    "Microsoft YaHei", Arial, sans-serif;
}

body.auth-page {
  --bg-gradient: linear-gradient(135deg, #0f2a24 0%, #174e42 50%, #1f6f5b 100%);
  --brand: #1f6f5b;
  --brand-dark: #174e42;
  --text-light: #f3f4f6;
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.12);
  min-height: 100vh;
  margin: 0;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-x: hidden;
  position: relative;
  color: var(--text-light);
  background: var(--bg-gradient);
}

.auth-page,
.auth-page * {
  box-sizing: border-box;
}

.auth-page .login-container {
  width: 100%;
  max-width: 420px;
  padding: 36px 30px;
  z-index: 10;
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  background: var(--glass-bg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.auth-page .login-container:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.auth-page .logo-container {
  margin-bottom: 28px;
  text-align: center;
}

.auth-page .logo-icon,
.auth-page .input-icon {
  display: none;
}

.auth-page h1 {
  margin: 0 0 8px;
  color: #fff;
  font-size: 22px;
  font-weight: 700;
}

.auth-page .subtitle {
  margin: 0;
  color: #c7d2cf;
  font-size: 13px;
  line-height: 1.5;
}

.auth-page .form-group {
  margin-bottom: 20px;
}

.auth-page label {
  display: block;
  margin-bottom: 8px;
  color: #d1d5db;
  font-size: 12px;
  font-weight: 600;
}

.auth-page .input-wrapper {
  position: relative;
}

.auth-page input {
  width: 100%;
  min-height: 44px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  outline: none;
  color: #fff;
  background: rgba(0, 0, 0, 0.2);
  font: inherit;
  font-size: 14px;
  transition: border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.auth-page input::placeholder {
  color: #9ca3af;
}

.auth-page input:focus {
  border-color: #34d399;
  background: rgba(0, 0, 0, 0.35);
  box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.18);
}

.auth-page .btn-submit {
  width: 100%;
  min-height: 44px;
  margin-top: 10px;
  padding: 12px;
  border: 1px solid var(--brand-dark);
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  box-shadow: 0 4px 12px rgba(31, 111, 91, 0.2);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.auth-page .btn-submit:hover {
  background: linear-gradient(135deg, #24856d, #1a5b4c);
  box-shadow: 0 6px 16px rgba(31, 111, 91, 0.35);
  transform: translateY(-0.5px);
}

.auth-page .btn-submit:focus-visible {
  outline: 3px solid rgba(52, 211, 153, 0.4);
  outline-offset: 2px;
}

.auth-page .btn-submit:active {
  transform: translateY(0.5px);
}

.auth-page .error-msg,
.auth-page .setup-info {
  margin-bottom: 20px;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 12px;
  line-height: 1.6;
}

.auth-page .error-msg {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fecaca;
  background: rgba(127, 29, 29, 0.28);
}

.auth-page .setup-info {
  border: 1px solid rgba(251, 191, 36, 0.3);
  color: #fde68a;
  background: rgba(120, 53, 15, 0.28);
}

.auth-page .footer-text {
  margin-top: 24px;
  color: #c7d2cf;
  font-size: 11px;
  text-align: center;
}

@media (max-width: 520px) {
  body.auth-page {
    padding: 14px;
  }

  .auth-page .login-container {
    padding: 28px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .auth-page .login-container,
  .auth-page input,
  .auth-page .btn-submit {
    transition: none;
  }
}