/* Keystone login background visuals */
.login-body {
  --login-card-center-x: 50%;
  --login-card-center-y: 50%;
  --login-screen-bottom: #0f1729;
  --login-screen-background: #0f1729;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  scrollbar-width: none;
  background: var(--login-screen-background);
}

.login-body::-webkit-scrollbar {
  display: none;
}

html.is-login-visible,
html.is-login-visible body {
  --login-screen-bottom: #0f1729;
  --login-screen-background: #0f1729;
  width: 100%;
  min-width: 100%;
  min-height: 100%;
  min-height: 100vh;
  min-height: -webkit-fill-available;
  min-height: 100svh;
  min-height: 100dvh;
  min-height: 100lvh;
  height: 100%;
  height: 100vh;
  height: 100svh;
  height: 100dvh;
  height: 100lvh;
  overflow: hidden;
  scrollbar-width: none;
  background-color: var(--login-screen-bottom);
  background: var(--login-screen-background);
  background-attachment: fixed;
}

body.is-login-visible::before {
  content: "";
  position: fixed;
  inset: 0 0 -240px 0;
  z-index: 0;
  pointer-events: none;
  background: var(--login-screen-background);
}

html.is-login-visible::-webkit-scrollbar,
html.is-login-visible body::-webkit-scrollbar {
  display: none;
}

html.is-login-visible .login-body {
  position: fixed;
  inset: 0;
  z-index: 1;
  width: 100%;
  box-sizing: border-box;
  min-height: 100vh;
  min-height: -webkit-fill-available;
  min-height: 100svh;
  min-height: 100dvh;
  min-height: 100lvh;
  height: 100vh;
  height: 100svh;
  height: 100dvh;
  height: 100lvh;
  background: var(--login-screen-background);
}

html[data-theme="light"].is-login-visible,
html[data-theme="light"].is-login-visible body {
  --login-screen-bottom: #ececec;
  --login-screen-background: #ececec;
  background-color: #ececec;
  background: #ececec;
}

html[data-theme="light"].is-login-visible .login-body,
html[data-theme="light"] .login-body {
  --login-screen-bottom: #ececec;
  --login-screen-background: #ececec;
  background: #ececec;
}

html[data-theme="light"] body.is-login-visible::before,
html[data-theme="light"] .login-body::before {
  background: #ececec;
}

.login-body::before,
.login-body::after {
  content: "";
  position: absolute;
  inset: 0 0 -180px 0;
  z-index: 0;
  pointer-events: none;
}

.login-body::before {
  background: var(--login-screen-background);
}

.login-body::after {
  display: none;
}

.keystone-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.keystone-lines {
  position: absolute;
  top: var(--login-card-center-y, 50%);
  left: var(--login-card-center-x, 50%);
  width: min(1180px, 124vw);
  height: clamp(220px, 34vh, 340px);
  transform: translate(-50%, -50%);
  transform-origin: center;
}

.keystone-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--x);
  width: 1px;
  opacity: var(--line-opacity, 1);
  background: none;
}

.keystone-dna-rung {
  position: absolute;
  top: calc(50% + var(--rung-offset, 0px));
  left: 50%;
  width: 1px;
  height: var(--rung-height, 24px);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(219, 233, 255, 0), rgba(219, 233, 255, 0.42), rgba(219, 233, 255, 0));
  opacity: 0.34;
  transform: translate3d(-50%, -50%, 0);
  transform-origin: 50% 50%;
  pointer-events: none;
  will-change: top, height;
}

.keystone-dot {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  transform: translate3d(-50%, calc(-50% + var(--dot-offset, 0px)), 0);
  opacity: 0.24;
  background: rgba(232, 246, 255, 0.72);
  box-shadow:
    0 0 0 3px rgba(127, 200, 255, 0.08),
    0 0 12px rgba(189, 230, 255, 0.3);
  transition: opacity 500ms linear;
  will-change: transform;
}

html[data-theme="light"] .keystone-dna-rung {
  background: linear-gradient(180deg, rgba(45, 58, 79, 0), rgba(45, 58, 79, 0.58), rgba(45, 58, 79, 0));
  opacity: 0.46;
}

html[data-theme="light"] .keystone-dot {
  background: rgba(45, 58, 79, 0.68);
  box-shadow:
    0 0 0 3px rgba(45, 58, 79, 0.12),
    0 0 12px rgba(45, 58, 79, 0.24);
  opacity: 0.44;
}

.login-container {
  position: relative;
  z-index: 3;
  transform: none;
}

.login-card {
  background-color: rgba(8, 18, 32, 0.72);
}

html[data-theme="light"] .login-card {
  border-color: rgba(97, 119, 144, 0.3);
  background: #ffffff;
  background-color: #ffffff;
  box-shadow: 0 18px 36px rgba(35, 48, 64, 0.1);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

html[data-theme="light"] .login-card::before {
  opacity: 0;
}

@media (max-width: 640px) {
  .login-body {
    align-items: center;
    justify-content: center;
    padding: 0 16px;
    overflow-x: hidden;
  }

  .login-container {
    width: min(calc(100vw - 32px), 342px);
    max-width: 100%;
    transform: none;
  }

  html.is-standalone-pwa .login-container,
  body.is-standalone-pwa .login-container {
    transform: translateY(clamp(-72px, -7svh, -48px));
  }

  .login-logo {
    width: min(165px, 47vw);
  }

  .login-card {
    padding: 28px 22px 24px;
    border-color: rgba(180, 211, 232, 0.18);
    border-radius: 22px;
    background:
      linear-gradient(150deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.018) 44%, rgba(42, 172, 108, 0.06)),
      rgba(8, 18, 32, 0.76);
    box-shadow:
      0 22px 54px rgba(0, 0, 0, 0.34),
      0 0 0 1px rgba(255, 255, 255, 0.025),
      inset 0 1px 0 rgba(255, 255, 255, 0.12),
      inset 0 -1px 0 rgba(42, 172, 108, 0.07);
    backdrop-filter: blur(16px) saturate(1.2);
    -webkit-backdrop-filter: blur(16px) saturate(1.2);
  }

  .login-card::before {
    inset: 0;
    border-radius: inherit;
    opacity: 0.32;
  }

  html[data-theme="light"] .login-card {
    border-color: rgba(97, 119, 144, 0.3);
    background: #ffffff;
    background-color: #ffffff;
    box-shadow: 0 16px 30px rgba(35, 48, 64, 0.1);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  html[data-theme="light"] .login-card::before {
    opacity: 0;
  }

  .version-text {
    max-width: 260px;
    line-height: 1.35;
  }
}

@media (prefers-reduced-motion: reduce) {
  .keystone-dot {
    --dot-offset: 0px;
    opacity: 0.22;
    transition: none !important;
  }

  .keystone-dna-rung {
    --rung-offset: 0px;
    --rung-height: 24px;
    opacity: 0.2;
  }
}