#login-overlay.login-experience,
body.login-open {
  overscroll-behavior: none;
}

body.login-open {
  overflow: hidden;
}

#login-overlay.login-experience {
  --login-ink: #080808;
  --login-ink-soft: #111315;
  --login-moon: #f5f5f5;
  --login-mist: #a3a3a3;
  --login-structure: #6f7378;
  --login-signal: #f2f2f2;
  --login-signal-deep: #bdbdbd;
  --login-danger: #ff7777;
  --login-panel: rgba(17, 19, 21, 0.78);
  --login-panel-strong: rgba(12, 13, 14, 0.92);
  --login-line: rgba(242, 247, 249, 0.1);
  --login-line-strong: rgba(242, 247, 249, 0.19);
  --login-field: rgba(242, 247, 249, 0.05);
  --login-shadow: rgba(0, 0, 0, 0.48);
  --login-signal-soft: rgba(242, 242, 242, 0.14);
  --login-signal-deep-soft: rgba(189, 189, 189, 0.09);
  --login-structure-soft: rgba(170, 182, 193, 0.09);
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  min-width: 320px;
  min-height: 560px;
  overflow: hidden;
  isolation: isolate;
  color: var(--login-moon);
  background:
    radial-gradient(circle at 68% 44%, var(--login-signal-deep-soft), transparent 35%),
    radial-gradient(circle at 58% 80%, var(--login-structure-soft), transparent 30%),
    linear-gradient(112deg, var(--login-ink) 0%, #0b0c0d 47%, var(--login-ink-soft) 100%);
  transition: opacity 420ms ease, visibility 420ms ease;
}

#login-overlay.login-experience::before,
#login-overlay.login-experience::after {
  position: absolute;
  z-index: 1;
  pointer-events: none;
  content: "";
}

#login-overlay.login-experience::before {
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 11, 15, 0.82) 0%, rgba(8, 11, 15, 0.5) 29%, rgba(8, 11, 15, 0.12) 49%, transparent 70%),
    linear-gradient(0deg, rgba(8, 11, 15, 0.48), transparent 34%);
}

#login-overlay.login-experience::after {
  display: none;
}

#login-overlay .login-particle-stage,
#login-overlay .login-particle-canvas,
#login-overlay .login-particle-webgl {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

#login-overlay .login-particle-stage {
  z-index: 0;
  overflow: hidden;
  transition: filter 520ms ease, transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

#login-overlay .login-particle-canvas {
  z-index: 2;
}

#login-overlay .login-particle-webgl {
  display: block;
  opacity: 0;
  cursor: crosshair;
  touch-action: pan-y;
  transition: opacity 900ms ease;
}

#login-overlay .login-particle-stage.is-ready .login-particle-webgl {
  opacity: 1;
}

#login-overlay .login-particle-fallback {
  position: absolute;
  top: 50%;
  right: clamp(4vw, 8vw, 12vw);
  z-index: 1;
  width: clamp(280px, 31vw, 590px);
  aspect-ratio: 1;
  opacity: 0.12;
  transform: translateY(-50%);
  filter: grayscale(0.2) saturate(0.7) drop-shadow(0 0 64px var(--login-signal-deep-soft));
  transition: opacity 700ms ease, transform 700ms ease;
}

#login-overlay .login-particle-fallback img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 34%;
}

#login-overlay .login-particle-stage.is-ready .login-particle-fallback {
  opacity: 0;
  transform: translateY(-50%) scale(0.94);
}

#login-overlay .login-particle-stage.is-fallback .login-particle-fallback {
  opacity: 0.2;
}

#login-overlay .login-particle-atmosphere {
  position: absolute;
  top: 5%;
  right: -3%;
  bottom: 4%;
  left: 36%;
  z-index: 3;
  width: auto;
  pointer-events: none;
  border: 1px solid rgba(199, 211, 255, 0.025);
  border-radius: 50%;
  opacity: 0.48;
  filter: blur(12px);
  box-shadow:
    inset 0 0 120px var(--login-signal-deep-soft),
    0 0 150px rgba(242, 242, 242, 0.025);
}

#login-overlay .login-grain {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.13;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.88' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.24'/%3E%3C/svg%3E");
}

#login-overlay .login-shell {
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  width: 100%;
  min-height: 100%;
  padding: clamp(24px, 3vw, 48px) clamp(24px, 4.5vw, 76px) clamp(22px, 3vw, 44px);
  pointer-events: none;
  transition: opacity 360ms ease, transform 520ms cubic-bezier(0.22, 1, 0.36, 1);
}

#login-overlay .login-topbar,
#login-overlay .login-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#login-overlay .login-identity {
  display: inline-flex;
  gap: 12px;
  align-items: center;
}

#login-overlay .login-identity-mark {
  display: grid;
  width: 40px;
  height: 40px;
  overflow: hidden;
  place-items: center;
  border: 1px solid var(--login-line);
  border-radius: 13px;
  background: rgba(239, 244, 255, 0.06);
  box-shadow: 0 10px 30px var(--login-shadow);
}

#login-overlay .login-identity-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#login-overlay .login-identity-copy {
  display: grid;
  gap: 2px;
}

#login-overlay .login-identity-name {
  color: var(--login-moon);
  font-size: 14px;
  font-weight: 720;
  letter-spacing: 0.08em;
}

#login-overlay .login-identity-meta,
#login-overlay .login-footer,
#login-overlay .login-kicker {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  text-transform: uppercase;
}

#login-overlay .login-identity-meta {
  color: var(--login-mist);
  font-size: 9px;
  letter-spacing: 0.19em;
}

#login-overlay .login-main {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 1440px;
  min-height: 0;
  margin: 0 auto;
}

#login-overlay .login-card {
  display: flex;
  flex-direction: column;
  gap: clamp(22px, 3vh, 32px);
  width: min(440px, 40vw);
  max-width: 440px;
  min-height: 0;
  margin: 0;
  overflow: visible;
  pointer-events: auto;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

#login-overlay .login-left,
#login-overlay .login-right {
  display: block;
  flex: none;
  width: 100%;
  padding: 0;
  background: transparent;
}

#login-overlay .login-kicker {
  color: var(--login-signal);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.22em;
}

#login-overlay .login-kicker {
  display: flex;
  gap: 11px;
  align-items: center;
  margin-bottom: 15px;
}

#login-overlay .login-kicker::before {
  width: 28px;
  height: 1px;
  content: "";
  background: var(--login-signal);
}

#login-overlay .login-headline {
  max-width: 420px;
  margin: 0;
  color: var(--login-moon);
  font-family: Bahnschrift, "Arial Narrow", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: clamp(44px, 3.7vw, 66px);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.055em;
  text-wrap: balance;
  text-shadow: 0 18px 48px var(--login-shadow);
}

#login-overlay .login-headline span {
  color: var(--login-signal);
}

#login-overlay .login-subtitle {
  max-width: 404px;
  margin: 16px 0 0;
  color: var(--login-mist);
  font-size: clamp(14px, 1.2vw, 17px);
  line-height: 1.8;
  letter-spacing: 0.015em;
}

#login-overlay .login-form {
  position: relative;
  width: 100%;
  max-width: 404px;
  padding: 22px 24px 20px;
  border: 1px solid var(--login-line);
  border-radius: 18px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.035), transparent 46%),
    var(--login-panel);
  box-shadow: 0 22px 64px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
}

#login-overlay .login-form::before {
  position: absolute;
  top: -1px;
  left: 24px;
  width: 76px;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, var(--login-signal), transparent);
}

#login-overlay .login-form-heading {
  display: flex;
  align-items: flex-start;
  margin: 0 0 18px;
}

#login-overlay .login-form h2 {
  margin: 0;
  color: var(--login-moon);
  font-size: 21px;
  font-weight: 660;
  letter-spacing: -0.02em;
}

#login-overlay .login-hint {
  margin: 5px 0 0;
  color: var(--login-mist);
  font-size: 12px;
}

#login-overlay .login-form .form-group {
  margin-bottom: 15px;
}

#login-overlay .login-form .form-group label {
  display: block;
  margin-bottom: 7px;
  color: var(--login-mist);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

#login-overlay .login-field-shell {
  position: relative;
}

#login-overlay .login-form .form-group input {
  width: 100%;
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid var(--login-line);
  border-radius: 10px;
  outline: 0;
  color: var(--login-moon);
  background: var(--login-field);
  box-shadow: none;
  font-size: 14px;
  transition: border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

#login-overlay .login-form .form-group input:hover {
  border-color: var(--login-line-strong);
  background: rgba(255, 255, 255, 0.075);
}

#login-overlay .login-form .form-group input:focus {
  border-color: rgba(242, 242, 242, 0.58);
  background: rgba(255, 255, 255, 0.085);
  box-shadow: 0 0 0 3px var(--login-signal-soft);
}

#login-overlay .login-form .form-group input::placeholder {
  color: rgba(152, 163, 183, 0.55);
}

#login-overlay #login-password {
  padding-right: 48px;
}

#login-overlay #login-password-toggle {
  position: absolute;
  top: 50%;
  right: 7px;
  display: grid;
  width: 34px;
  height: 34px;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 8px;
  color: var(--login-mist);
  background: transparent;
  cursor: pointer;
  transform: translateY(-50%);
  transition: color 160ms ease, background 160ms ease;
}

#login-overlay #login-password-toggle:hover {
  color: var(--login-moon);
  background: rgba(236, 241, 255, 0.07);
}

#login-overlay #login-password-toggle:focus-visible,
#login-overlay .login-btn:focus-visible {
  outline: 2px solid var(--login-signal);
  outline-offset: 2px;
}

#login-overlay #login-password-toggle svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

#login-overlay .login-btn {
  display: flex;
  width: 100%;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  margin-top: 5px;
  padding: 0 17px;
  border: 1px solid rgba(242, 242, 242, 0.58);
  border-radius: 10px;
  color: #061217;
  background: linear-gradient(135deg, var(--login-signal-deep), var(--login-signal));
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease;
}

#login-overlay .login-btn:hover {
  border-color: rgba(242, 247, 249, 0.72);
  background: linear-gradient(135deg, #419fbb, #7ae2f0);
  box-shadow: 0 16px 36px rgba(189, 189, 189, 0.2);
  transform: translateY(-1px);
}

#login-overlay .login-btn:active {
  transform: translateY(0);
}

#login-overlay .login-btn:disabled {
  cursor: wait;
  opacity: 0.62;
  transform: none;
}

#login-overlay .login-btn svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

#login-overlay .login-error {
  min-height: 18px;
  margin: 10px 0 0;
  color: var(--login-danger);
  font-size: 12px;
  line-height: 1.5;
  text-align: left;
}

#login-overlay .login-footer {
  gap: 20px;
  color: var(--login-mist);
  font-size: 9px;
  letter-spacing: 0.13em;
}

#login-overlay .login-particle-guide,
#login-overlay .login-particle-health {
  display: inline-flex;
  gap: 10px;
  align-items: center;
}

#login-overlay .login-particle-guide svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: var(--login-signal);
  stroke-width: 1.5;
}

#login-overlay .login-particle-health {
  min-width: min(330px, 30vw);
  justify-content: flex-end;
}

#login-overlay .login-particle-track {
  width: clamp(70px, 9vw, 140px);
  height: 1px;
  overflow: hidden;
  background: var(--login-line);
}

#login-overlay #login-particle-progress {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--login-signal-deep), var(--login-signal));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 180ms ease;
}

#login-overlay #login-particle-count {
  color: rgba(238, 243, 255, 0.58);
}

#login-overlay.is-leaving {
  opacity: 0;
}

#login-overlay.is-leaving .login-shell {
  opacity: 0;
  transform: translateX(-18px);
}

#login-overlay.is-leaving .login-particle-stage {
  filter: brightness(1.45) saturate(1.2);
  transform: scale(1.035);
}

@media (max-width: 900px) {
  #login-overlay.login-experience {
    min-height: 620px;
    background:
      radial-gradient(circle at 64% 22%, var(--login-signal-deep-soft), transparent 34%),
      linear-gradient(180deg, var(--login-ink) 0%, var(--login-ink-soft) 100%);
  }

  #login-overlay.login-experience::before {
    background: linear-gradient(0deg, rgba(8, 11, 15, 0.94) 0%, rgba(8, 11, 15, 0.66) 49%, transparent 78%);
  }

  #login-overlay.login-experience::after {
    display: none;
  }

  #login-overlay .login-shell {
    padding: 20px;
  }

  #login-overlay .login-main {
    align-items: flex-end;
    padding: 96px 0 12px;
  }

  #login-overlay .login-card {
    gap: 18px;
    width: min(100%, 440px);
    margin: 0 auto;
  }

  #login-overlay .login-headline {
    max-width: 390px;
    font-size: clamp(39px, 9.5vw, 52px);
  }

  #login-overlay .login-subtitle {
    max-width: 390px;
    margin-top: 12px;
    font-size: 13px;
  }

  #login-overlay .login-form {
    max-width: none;
    padding: 20px;
    background:
      linear-gradient(145deg, rgba(236, 241, 255, 0.035), transparent 46%),
      var(--login-panel-strong);
  }

  #login-overlay .login-particle-fallback {
    top: 30%;
    right: -2%;
    width: min(68vw, 430px);
    opacity: 0.08;
  }

  #login-overlay .login-particle-stage.is-fallback .login-particle-fallback {
    opacity: 0.13;
  }

  #login-overlay .login-particle-atmosphere {
    top: 3%;
    right: -8%;
    bottom: auto;
    left: auto;
    width: 88%;
    height: 48%;
  }

  #login-overlay .login-particle-health {
    min-width: 0;
  }

  #login-overlay .login-particle-track,
  #login-overlay #login-particle-count {
    display: none;
  }
}

@media (max-width: 560px) {
  #login-overlay .login-identity-meta,
  #login-overlay .login-particle-health {
    display: none;
  }

  #login-overlay .login-topbar {
    justify-content: flex-start;
  }

  #login-overlay .login-main {
    padding-top: 70px;
  }

  #login-overlay .login-kicker {
    margin-bottom: 10px;
  }

  #login-overlay .login-headline {
    font-size: clamp(37px, 11.5vw, 48px);
  }

  #login-overlay .login-footer {
    justify-content: flex-start;
  }
}

@media (max-height: 720px) and (min-width: 901px) {
  #login-overlay .login-shell {
    padding-top: 22px;
    padding-bottom: 20px;
  }

  #login-overlay .login-card {
    gap: 20px;
  }

  #login-overlay .login-headline {
    font-size: clamp(46px, 4.5vw, 68px);
  }

  #login-overlay .login-subtitle {
    margin-top: 12px;
  }

  #login-overlay .login-form {
    padding-top: 19px;
    padding-bottom: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  #login-overlay.login-experience,
  #login-overlay .login-shell,
  #login-overlay .login-particle-stage,
  #login-overlay .login-particle-webgl,
  #login-overlay .login-particle-fallback,
  #login-overlay #login-particle-progress,
  #login-overlay .login-btn {
    transition-duration: 0.01ms;
  }
}