.login-page {
  position: relative;
  display: grid;
  place-items: center;
  overflow-x: hidden;
  padding: 48px 24px 74px;
  background:
    radial-gradient(circle at 18% 18%, rgba(35, 148, 231, 0.2), transparent 32%),
    radial-gradient(circle at 84% 78%, rgba(55, 230, 255, 0.12), transparent 34%),
    linear-gradient(145deg, #04101b 0%, #071b2b 48%, #030a11 100%);
}

.login-page::before,
.login-page::after {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
}

.login-page::before {
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(92, 174, 225, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 174, 225, 0.16) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}

.login-page::after {
  background: linear-gradient(90deg, transparent, rgba(55, 230, 255, 0.04), transparent);
  transform: skewX(-18deg) translateX(-55%);
}

.login-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(360px, 430px);
  align-items: center;
  width: min(1040px, 100%);
  min-height: 560px;
  border: 1px solid rgba(115, 191, 238, 0.18);
  border-radius: 28px;
  background: rgba(5, 18, 30, 0.78);
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.44);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  overflow: hidden;
}

.login-intro {
  position: relative;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 72px 68px;
  border-right: 1px solid rgba(115, 191, 238, 0.12);
  background:
    linear-gradient(135deg, rgba(18, 88, 138, 0.22), transparent 62%),
    rgba(8, 29, 46, 0.52);
}

.login-intro::after {
  position: absolute;
  right: -130px;
  bottom: -170px;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(55, 230, 255, 0.12);
  border-radius: 50%;
  box-shadow:
    0 0 0 38px rgba(55, 230, 255, 0.025),
    0 0 0 76px rgba(55, 230, 255, 0.018);
  content: "";
}

.login-brand-mark {
  position: relative;
  width: 80px;
  height: 80px;
  margin-bottom: 38px;
}

.brand-core,
.brand-ring {
  position: absolute;
  border-radius: 50%;
}

.brand-core {
  inset: 29px;
  background: var(--cyan);
  box-shadow: 0 0 24px rgba(55, 230, 255, 0.85);
}

.brand-ring-one {
  inset: 13px;
  border: 1px solid rgba(55, 230, 255, 0.68);
  animation: login-pulse 2.8s ease-in-out infinite;
}

.brand-ring-two {
  inset: 0;
  border: 1px dashed rgba(79, 182, 255, 0.46);
  animation: login-spin 14s linear infinite;
}

.login-eyebrow {
  margin: 0 0 12px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.login-intro h1 {
  max-width: 420px;
  font-size: clamp(34px, 4vw, 48px);
  line-height: 1.12;
}

.login-description {
  max-width: 440px;
  margin: 24px 0 32px;
  color: #a8bfd0;
  font-size: 16px;
  line-height: 1.8;
}

.login-feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
}

.login-feature-list span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #c5dbe9;
  font-size: 13px;
}

.login-feature-list i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px rgba(49, 212, 139, 0.8);
}

.login-card {
  margin: 34px;
  padding: 38px 36px 30px;
  border: 1px solid rgba(132, 196, 235, 0.16);
  border-radius: 20px;
  background: rgba(10, 28, 44, 0.88);
  box-shadow: 0 22px 48px rgba(0, 0, 0, 0.24);
}

.login-card-heading p {
  margin: 0 0 8px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.login-card-heading h2 {
  font-size: 28px;
}

.login-card-heading > span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}

.login-form {
  display: grid;
  gap: 10px;
  margin-top: 32px;
}

.login-form label {
  margin-top: 8px;
  color: #d8eaf5;
  font-size: 13px;
  font-weight: 700;
}

.login-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.login-input-wrap input {
  width: 100%;
  height: 50px;
  padding: 0 58px 0 44px;
  border: 1px solid rgba(137, 183, 214, 0.22);
  border-radius: 10px;
  outline: none;
  background: rgba(4, 15, 25, 0.7);
  color: var(--text);
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.login-input-wrap input::placeholder {
  color: #617d91;
}

.login-input-wrap input:focus {
  border-color: rgba(55, 230, 255, 0.64);
  background: rgba(7, 23, 37, 0.92);
  box-shadow: 0 0 0 3px rgba(55, 230, 255, 0.1);
}

.login-input-icon {
  position: absolute;
  left: 17px;
  z-index: 1;
  color: rgba(79, 182, 255, 0.72);
  font-size: 10px;
}

.password-icon {
  font-size: 11px;
}

.password-toggle {
  position: absolute;
  right: 13px;
  border: 0;
  background: transparent;
  color: #83b5d4;
  cursor: pointer;
  font-size: 12px;
}

.password-toggle:hover {
  color: var(--cyan);
}

.login-error {
  margin: 4px 0 0;
  padding: 10px 12px;
  border: 1px solid rgba(255, 107, 122, 0.28);
  border-radius: 9px;
  background: rgba(255, 107, 122, 0.08);
  color: #ffadb6;
  font-size: 13px;
  line-height: 1.45;
}

.login-submit {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 50px;
  margin-top: 10px;
  padding: 0 20px;
  border: 1px solid rgba(80, 201, 255, 0.42);
  border-radius: 10px;
  background: linear-gradient(135deg, #1276b8, #0a9cb6);
  color: #ffffff;
  cursor: pointer;
  font-weight: 800;
  box-shadow: 0 14px 26px rgba(4, 118, 172, 0.24);
  transition: transform 160ms ease, box-shadow 160ms ease, filter 160ms ease;
}

.login-submit:hover:not(:disabled) {
  transform: translateY(-1px);
  filter: brightness(1.08);
  box-shadow: 0 16px 30px rgba(4, 137, 184, 0.3);
}

.login-submit:disabled {
  cursor: wait;
  opacity: 0.68;
}

.login-security-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 24px 0 0;
  color: #6f8da2;
  font-size: 12px;
}

.login-security-note span {
  color: var(--green);
}

.login-footer {
  position: absolute;
  bottom: 25px;
  z-index: 1;
  color: rgba(138, 164, 184, 0.58);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

@keyframes login-pulse {
  50% {
    transform: scale(1.08);
    opacity: 0.62;
  }
}

@media (max-width: 820px) {
  .login-page {
    display: block;
    padding: 20px 16px 72px;
  }

  .login-shell {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .login-intro {
    padding: 38px 34px 34px;
    border-right: 0;
    border-bottom: 1px solid rgba(115, 191, 238, 0.12);
  }

  .login-brand-mark {
    width: 58px;
    height: 58px;
    margin-bottom: 24px;
  }

  .brand-core {
    inset: 21px;
  }

  .brand-ring-one {
    inset: 9px;
  }

  .login-description {
    margin: 16px 0 22px;
  }

  .login-card {
    margin: 16px;
  }
}

@media (max-width: 480px) {
  .login-intro {
    padding: 30px 24px 26px;
  }

  .login-feature-list {
    display: none;
  }

  .login-card {
    padding: 30px 22px 24px;
  }

  .login-card-heading h2 {
    font-size: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .brand-ring {
    animation: none;
  }
}