/* Invisible Guardian 激活页 */
#loginOverlay.login-page {
  --text: #eaf0ff;
  --muted: #8e9bb8;
  --line: rgba(255, 255, 255, 0.09);
  --blue: #8ab4ff;
  --green: #49d39a;
  --red: #ff6b7a;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
  --radius: 26px;

  position: fixed;
  inset: 0;
  z-index: 20000;
  overflow-x: hidden;
  overflow-y: auto;
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(720px 420px at 18% 12%, rgba(122, 167, 255, 0.16), transparent 58%),
    radial-gradient(560px 380px at 82% 18%, rgba(165, 139, 255, 0.12), transparent 55%),
    linear-gradient(180deg, #05070d 0%, #070a12 48%, #060914 100%);
  display: flex !important;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  backdrop-filter: none;
}

#loginOverlay.login-page.hidden {
  display: none !important;
}

#loginOverlay.login-page * {
  box-sizing: border-box;
}

#loginOverlay .login-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: soft-light;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.5) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at center, black, transparent 80%);
}

#loginOverlay .login-shell {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
}

#loginOverlay .login-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  padding: 18px 24px;
  background: linear-gradient(180deg, rgba(7, 10, 18, 0.92), rgba(7, 10, 18, 0.55));
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

#loginOverlay .login-brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.02em;
}

#loginOverlay .login-brand-badge {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

#loginOverlay .login-brand-badge .material-symbols-outlined {
  font-size: 20px;
  color: var(--blue);
}

#loginOverlay .login-brand small {
  display: block;
  margin-top: 1px;
  font-size: 11px;
  font-weight: 400;
  color: var(--muted);
}

#loginOverlay .login-hero {
  position: relative;
  display: grid;
  place-items: center;
  flex: 1;
  padding: 32px 20px 24px;
}

#loginOverlay .login-halo {
  position: absolute;
  width: min(70vw, 520px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(122, 167, 255, 0.1), transparent 62%);
  filter: blur(24px);
  opacity: 0.85;
  animation: login-float 12s ease-in-out infinite;
}

#loginOverlay .login-halo.two {
  width: min(48vw, 360px);
  background: radial-gradient(circle at center, rgba(165, 139, 255, 0.08), transparent 68%);
  animation-duration: 14s;
  animation-direction: reverse;
}

@keyframes login-float {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(0, -12px, 0); }
}

#loginOverlay .login-panel {
  position: relative;
  width: min(100%, 400px);
  padding: 36px 28px 28px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 24, 42, 0.88), rgba(11, 15, 28, 0.78));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px);
  overflow: hidden;
}

#loginOverlay .login-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.06), transparent 52%);
  pointer-events: none;
}

#loginOverlay .login-hero-mark {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  gap: 18px;
  text-align: center;
  margin-bottom: 32px;
}

#loginOverlay .login-orb {
  width: 72px;
  height: 72px;
  border-radius: 22px;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 30% 25%, rgba(255, 255, 255, 0.14), transparent 32%),
    linear-gradient(145deg, rgba(122, 167, 255, 0.24), rgba(89, 216, 255, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 14px 36px rgba(76, 115, 206, 0.18);
}

#loginOverlay .login-orb .material-symbols-outlined {
  font-size: 36px;
  color: #dde8ff;
  font-variation-settings: "FILL" 1;
}

#loginOverlay .login-panel h1 {
  margin: 0;
  font-size: 28px;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.04em;
}

#loginOverlay .login-subtitle {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
  font-weight: 400;
}

#loginOverlay .login-form {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
}

#loginOverlay .login-field-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0;
  text-transform: none;
  margin-bottom: 2px;
}

#loginOverlay .login-field {
  position: relative;
  margin-bottom: 6px;
}

#loginOverlay .login-field .material-symbols-outlined {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 19px;
  color: var(--muted);
  pointer-events: none;
  transition: color 0.18s ease;
}

#loginOverlay .login-field input {
  width: 100%;
  height: 52px;
  border: none;
  outline: none;
  border-radius: 16px;
  padding: 0 16px 0 46px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  color: var(--text);
  font: 500 15px/1 Inter, system-ui, sans-serif;
  transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

#loginOverlay .login-field input::placeholder {
  color: rgba(142, 155, 184, 0.55);
}

#loginOverlay .login-field input:focus {
  border-color: rgba(138, 180, 255, 0.4);
  box-shadow: 0 0 0 3px rgba(138, 180, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
}

#loginOverlay .login-field:focus-within .material-symbols-outlined {
  color: var(--blue);
}

#loginOverlay .login-button {
  height: 52px;
  margin-top: 4px;
  border: none;
  border-radius: 16px;
  cursor: pointer;
  color: #0a1428;
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #dce8ff 0%, #a8c0ff 50%, #9de4ff 100%);
  box-shadow: 0 12px 32px rgba(105, 155, 255, 0.22);
  transition: transform 0.16s ease, filter 0.16s ease, opacity 0.16s ease;
}

#loginOverlay .login-button:hover {
  filter: brightness(1.03);
}

#loginOverlay .login-button:active {
  transform: translateY(1px);
}

#loginOverlay .login-button:disabled {
  cursor: not-allowed;
  opacity: 0.72;
}

#loginOverlay .login-button.success {
  color: #0a1f18;
  background: linear-gradient(135deg, #8ff1c7 0%, #57d69e 100%) !important;
}

#loginOverlay .login-button .material-symbols-outlined {
  font-size: 18px;
}

#loginOverlay .login-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 20px;
  position: relative;
  z-index: 1;
}

#loginOverlay .login-links a {
  color: rgba(175, 192, 232, 0.75);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.15s ease;
}

#loginOverlay .login-links a:hover {
  color: #c9d6f4;
}

#loginOverlay .login-footer {
  padding: 16px 24px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

#loginOverlay .login-footer-inner {
  width: min(100%, 400px);
  margin: 0 auto;
  text-align: center;
  color: rgba(142, 155, 184, 0.55);
  font-size: 11px;
  line-height: 1.6;
}

#loginOverlay .login-success-state {
  display: none;
  margin-top: 2px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(73, 211, 154, 0.08);
  border: 1px solid rgba(73, 211, 154, 0.15);
  color: #d9fff0;
  font-size: 13px;
}

#loginOverlay .login-success-state.show {
  display: flex;
  align-items: center;
  gap: 8px;
}

#loginOverlay .login-success-state .material-symbols-outlined {
  font-size: 18px;
  color: var(--green);
}

#loginOverlay .login-toast-stack {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  display: grid;
  gap: 10px;
  z-index: 20100;
  width: min(calc(100vw - 28px), 400px);
  pointer-events: none;
}

#loginOverlay .login-toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 15px;
  border-radius: 16px;
  background: rgba(13, 18, 34, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(16px);
  transform: translateY(12px);
  opacity: 0;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

#loginOverlay .login-toast.show {
  transform: translateY(0);
  opacity: 1;
}

#loginOverlay .login-toast .material-symbols-outlined {
  font-size: 18px;
}

#loginOverlay .login-toast.success .material-symbols-outlined {
  color: var(--green);
}

#loginOverlay .login-toast.error .material-symbols-outlined {
  color: var(--red);
}

#loginOverlay .login-toast .msg {
  font-size: 13px;
  color: var(--text);
}

@keyframes login-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

#loginOverlay .login-spin {
  animation: login-spin 1s linear infinite;
}

@media (max-width: 520px) {
  #loginOverlay .login-panel {
    padding: 30px 22px 24px;
    border-radius: 22px;
  }

  #loginOverlay .login-panel h1 {
    font-size: 26px;
  }

  #loginOverlay .login-hero {
    padding-inline: 16px;
  }

  #loginOverlay .login-topbar,
  #loginOverlay .login-footer {
    padding-inline: 16px;
  }
}