html.signin-document,
body.signin-page {
  min-height: 100%;
  height: auto;
  overflow-x: hidden;
  overflow-y: auto;
  background: #080b0a;
}

body.signin-page {
  color: #f5f8f5;
}

.signin-scene {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 48%, rgba(49, 69, 38, 0.11), transparent 34%),
    linear-gradient(145deg, #0b110f 0%, #080b0a 47%, #0a0e0b 100%);
}

.signin-scene__grid {
  position: absolute;
  inset: -45%;
  background-image:
    linear-gradient(rgba(156, 209, 110, 0.075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(156, 209, 110, 0.075) 1px, transparent 1px);
  background-size: 66px 66px;
  mask-image: radial-gradient(ellipse at center, #000 8%, transparent 62%);
  transform: perspective(900px) rotateX(57deg) scale(1.2);
  animation: signin-grid-drift 28s linear infinite;
}

.signin-scene__glow {
  position: absolute;
  width: min(54vw, 780px);
  aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  animation: signin-glow-drift 18s ease-in-out infinite alternate;
}

.signin-scene__glow--one {
  top: -38%;
  left: -20%;
  background: radial-gradient(circle, rgba(117, 180, 75, 0.36), transparent 66%);
}

.signin-scene__glow--two {
  right: -23%;
  bottom: -45%;
  background: radial-gradient(circle, rgba(115, 171, 68, 0.3), transparent 68%);
  animation-delay: -9s;
}

.signin-scene__orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(180, 233, 114, 0.075);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: signin-orbit-breathe 12s ease-in-out infinite alternate;
}

.signin-scene__orbit--outer {
  width: min(88vw, 920px);
  aspect-ratio: 1;
}

.signin-scene__orbit--inner {
  width: min(65vw, 690px);
  aspect-ratio: 1;
  animation-delay: -6s;
}

.signin-shell {
  position: relative;
  z-index: 1;
}

.signin-main {
  display: grid;
  place-items: center;
  box-sizing: border-box;
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  padding: 82px 24px;
}

.signin-card {
  position: relative;
  width: min(100%, 480px);
  box-sizing: border-box;
  padding: 42px 42px 34px;
  overflow: hidden;
  border: 1px solid rgba(187, 233, 142, 0.18);
  border-radius: 26px;
  background: rgba(17, 23, 20, 0.93);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.44), 0 0 0 1px rgba(255, 255, 255, 0.025) inset;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  animation: signin-card-enter 600ms ease-out both;
}

.signin-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, transparent, #b1e780 50%, transparent);
  opacity: 0.85;
}

.signin-card__brand {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 63px;
  margin-bottom: 32px;
}

.signin-card__brand img {
  display: block;
  width: auto;
  max-width: min(100%, 232px);
  max-height: 66px;
  object-fit: contain;
}

.signin-card__brand-name {
  color: #c5ef9e;
  font-size: 23px;
  font-weight: 750;
  letter-spacing: -0.04em;
  overflow-wrap: anywhere;
}

.signin-card__intro {
  margin-bottom: 30px;
  text-align: center;
}

.signin-card__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 13px;
  color: #add581;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.signin-card__eyebrow span {
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #b8ed82;
  box-shadow: 0 0 11px rgba(184, 237, 130, 0.7);
}

.signin-card__intro h1 {
  margin: 0 0 9px;
  color: #f5f8f2;
  font-size: clamp(30px, 5vw, 37px);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 1.12;
}

.signin-card__intro p {
  margin: 0;
  color: #9da99f;
  font-size: 14px;
  line-height: 1.55;
}

.signin-providers {
  display: grid;
  gap: 11px;
}

.signin-provider {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) 36px;
  align-items: center;
  min-height: 58px;
  padding: 7px 12px;
  border: 1px solid rgba(220, 235, 211, 0.18);
  border-radius: 12px;
  background: #edf3e9;
  color: #1d2b20;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.signin-provider:hover {
  transform: translateY(-2px);
  border-color: #b9e890;
  background: #fff;
  color: #152017;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.22);
  text-decoration: none;
}

.signin-provider:focus-visible,
.signin-card__legal a:focus-visible {
  outline: 3px solid #b7e983;
  outline-offset: 3px;
}

.signin-provider__icon {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  background: #fff;
}

.signin-provider__icon--yahoo {
  background: #6001d2;
  color: #fff;
  font-size: 14px;
  font-weight: 850;
  font-style: italic;
  letter-spacing: -0.12em;
}

.signin-provider__icon--discord {
  background: #5865f2;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
}

.signin-provider__arrow {
  color: #768a79;
  font-size: 18px;
  font-weight: 400;
  transition: transform 180ms ease;
}

.signin-provider:hover .signin-provider__arrow {
  transform: translate(2px, -2px);
}

.signin-card__notice {
  margin: 0 0 20px;
  padding: 12px 14px;
  border: 1px solid;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.5;
}

.signin-card__notice--error {
  border-color: rgba(249, 121, 121, 0.35);
  background: rgba(122, 31, 31, 0.22);
  color: #ffd2d2;
}

.signin-card__notice--warning {
  margin: 4px 0 0;
  border-color: rgba(239, 192, 91, 0.35);
  background: rgba(111, 77, 23, 0.22);
  color: #fce4af;
}

.signin-card__legal {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
  color: #647369;
  font-size: 12px;
  text-align: center;
}

.signin-card__legal a {
  color: #a5b5a5;
  text-decoration: none;
}

.signin-card__legal a:hover {
  color: #c8ef9d;
  text-decoration: underline;
}

.signin-page .public-navbar {
  border-bottom: 1px solid rgba(192, 226, 162, 0.12);
  background: rgba(10, 15, 12, 0.94) !important;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.signin-page .public-navbar .nav-link,
.signin-page .public-navbar .navbar-brand {
  color: #d9e7d5;
}

.signin-page .public-navbar .navbar-toggler-icon {
  filter: invert(1);
}

.signin-page .footer {
  position: relative;
  border-top: 1px solid rgba(192, 226, 162, 0.12);
  background: #0c120e;
  color: #9eaca0;
}

.signin-page .footer a,
.signin-page .footer .text-off {
  color: #a7b6a7;
}

.signin-page .footer a:hover,
.signin-page .footer a:focus {
  color: #c4ed9b;
}

@keyframes signin-grid-drift {
  to { background-position: 66px 66px; }
}

@keyframes signin-glow-drift {
  to { transform: translate(10%, 8%) scale(1.1); }
}

@keyframes signin-orbit-breathe {
  to { opacity: 0.45; transform: translate(-50%, -50%) scale(1.055); }
}

@keyframes signin-card-enter {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 600px) {
  .signin-main {
    padding: 78px 16px;
  }

  .signin-card {
    padding: 30px 25px 28px;
    border-radius: 20px;
  }

  .signin-card__brand {
    margin-bottom: 25px;
  }

  .signin-scene__glow {
    width: 95vw;
  }

  .signin-scene__orbit--outer {
    width: 150vw;
  }

  .signin-scene__orbit--inner {
    width: 105vw;
  }
}

@media (max-width: 500px) {
  .signin-page .public-navbar.fixed-top {
    position: fixed;
  }
}

@media (max-width: 360px) {
  .signin-card {
    padding-inline: 20px;
  }

  .signin-provider {
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .signin-scene__grid,
  .signin-scene__glow,
  .signin-scene__orbit,
  .signin-card {
    animation: none;
  }

  .signin-provider,
  .signin-provider__arrow {
    transition: none;
  }

  .signin-provider:hover {
    transform: none;
  }
}