:root {
  color-scheme: dark;
  --ink: #eef4ff;
  --muted: #a9b8d3;
  --surface: rgba(10, 22, 48, 0.72);
  --surface-strong: rgba(8, 18, 42, 0.9);
  --line: rgba(168, 188, 255, 0.2);
  --indigo: #818cf8;
  --purple: #a855f7;
  --pink: #ec4899;
  --cyan: #38bdf8;
  --danger: #fda4af;
  --success: #6ee7b7;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: #06142c;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 16%, rgba(59, 130, 246, 0.26), transparent 34%),
    radial-gradient(circle at 82% 22%, rgba(168, 85, 247, 0.2), transparent 31%),
    radial-gradient(circle at 48% 88%, rgba(236, 72, 153, 0.17), transparent 36%),
    linear-gradient(145deg, #06142c 0%, #0b2146 45%, #191334 100%);
}

button,
input,
a {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.aurora {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.aurora__orb {
  position: absolute;
  width: clamp(18rem, 42vw, 42rem);
  aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(68px);
  opacity: 0.32;
  animation: drift 16s ease-in-out infinite alternate;
}

.aurora__orb--one {
  top: -18%;
  left: -9%;
  background: #2563eb;
}

.aurora__orb--two {
  top: 9%;
  right: -17%;
  background: #9333ea;
  animation-delay: -5s;
}

.aurora__orb--three {
  right: 19%;
  bottom: -32%;
  background: #db2777;
  animation-delay: -9s;
}

.aurora__grid {
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background-image:
    linear-gradient(rgba(147, 197, 253, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(147, 197, 253, 0.12) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(to bottom, transparent 3%, black 42%, transparent 100%);
}

.aurora__stars {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  background-image:
    radial-gradient(circle at 12% 28%, #bfdbfe 0 1px, transparent 2px),
    radial-gradient(circle at 76% 18%, #e9d5ff 0 1px, transparent 2px),
    radial-gradient(circle at 87% 71%, #fbcfe8 0 1.5px, transparent 2.5px),
    radial-gradient(circle at 31% 79%, #bae6fd 0 1px, transparent 2px),
    radial-gradient(circle at 56% 9%, #fff 0 1px, transparent 2px);
}

.auth-shell {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  align-content: center;
  min-height: 100vh;
  padding: 32px 18px;
}

.auth-card {
  position: relative;
  width: min(100%, 460px);
  padding: 46px 44px 34px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 38px;
  background: linear-gradient(145deg, rgba(27, 44, 78, 0.75), var(--surface));
  box-shadow:
    0 32px 90px rgba(1, 7, 23, 0.56),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(28px) saturate(135%);
  -webkit-backdrop-filter: blur(28px) saturate(135%);
}

.auth-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--purple), var(--pink), transparent);
  opacity: 0.8;
}

.auth-card--compact {
  text-align: center;
}

.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  margin: 0 auto 22px;
  border-radius: 23px;
  background: linear-gradient(145deg, rgba(99, 102, 241, 0.96), rgba(147, 51, 234, 0.9));
  box-shadow: 0 14px 38px rgba(99, 102, 241, 0.42);
  transform: rotate(-4deg);
}

.brand-mark__core {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 34px;
  font-weight: 700;
  transform: rotate(4deg);
}

.brand-mark__orbit {
  position: absolute;
  inset: -8px;
  border: 1px solid rgba(196, 181, 253, 0.48);
  border-radius: 27px;
  transform: rotate(12deg);
}

.eyebrow {
  margin-bottom: 12px;
  color: #b9c2ff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-align: center;
}

h1 {
  margin: 0;
  font-family: Georgia, "Songti SC", "Noto Serif SC", serif;
  font-size: clamp(30px, 7vw, 40px);
  line-height: 1.15;
  text-align: center;
  letter-spacing: 0.02em;
}

.intro {
  max-width: 340px;
  margin: 14px auto 30px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
  text-align: center;
}

.auth-form {
  display: grid;
  gap: 20px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  color: #dbeafe;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.field__control {
  position: relative;
}

.field__icon {
  position: absolute;
  top: 50%;
  left: 16px;
  color: #a5b4fc;
  transform: translateY(-50%);
}

.field input {
  width: 100%;
  height: 54px;
  padding: 0 62px 0 45px;
  color: var(--ink);
  caret-color: #c4b5fd;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 17px;
  outline: none;
  background: rgba(5, 15, 35, 0.62);
  box-shadow: inset 0 1px 12px rgba(0, 0, 0, 0.16);
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.field input:hover {
  border-color: rgba(165, 180, 252, 0.4);
}

.field input:focus-visible {
  border-color: #818cf8;
  background: rgba(8, 19, 45, 0.8);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.18), 0 0 26px rgba(129, 140, 248, 0.12);
}

.password-toggle {
  position: absolute;
  top: 50%;
  right: 12px;
  padding: 7px 8px;
  color: #b9c5da;
  border: 0;
  border-radius: 9px;
  background: transparent;
  cursor: pointer;
  transform: translateY(-50%);
}

.password-toggle:hover,
.password-toggle:focus-visible {
  color: #fff;
  outline: none;
  background: rgba(129, 140, 248, 0.15);
}

.status {
  min-height: 21px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
  text-align: center;
}

.status[data-kind="error"] {
  color: var(--danger);
}

.status[data-kind="success"] {
  color: var(--success);
}

.submit-button,
.secondary-button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  border-radius: 17px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, opacity 160ms ease;
}

.submit-button {
  position: relative;
  width: 100%;
  color: #fff;
  border: 1px solid rgba(224, 231, 255, 0.22);
  background: linear-gradient(110deg, #4f46e5, #7c3aed 54%, #db2777);
  box-shadow: 0 14px 34px rgba(109, 40, 217, 0.32);
}

.submit-button:hover:not(:disabled),
.submit-button:focus-visible,
.secondary-button:hover,
.secondary-button:focus-visible {
  transform: translateY(-2px);
}

.submit-button:focus-visible,
.secondary-button:focus-visible {
  outline: 3px solid rgba(165, 180, 252, 0.46);
  outline-offset: 3px;
}

.submit-button:disabled {
  cursor: wait;
  opacity: 0.72;
}

.submit-button__spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.34);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}

.submit-button.is-busy .submit-button__label {
  display: none;
}

.submit-button.is-busy .submit-button__spinner {
  display: block;
}

.secondary-button {
  width: 100%;
  color: #dbeafe;
  border: 1px solid rgba(148, 163, 184, 0.24);
  background: rgba(15, 30, 61, 0.68);
}

.button-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 8px;
}

.security-note {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  margin-top: 24px;
  color: #91a1bc;
  font-size: 11px;
  line-height: 1.5;
  text-align: center;
}

.security-note > :first-child {
  color: #818cf8;
}

.site-signature {
  margin: 22px 0 0;
  color: rgba(219, 234, 254, 0.52);
  font-family: Georgia, "Songti SC", serif;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-align: center;
}

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

@keyframes drift {
  to { transform: translate3d(5vw, 4vh, 0) scale(1.08); }
}

@media (max-width: 560px) {
  .auth-shell {
    align-content: start;
    padding: max(28px, env(safe-area-inset-top)) 14px max(24px, env(safe-area-inset-bottom));
  }

  .auth-card {
    padding: 34px 22px 28px;
    border-radius: 29px;
  }

  .brand-mark {
    width: 60px;
    height: 60px;
    border-radius: 20px;
  }

  .button-row {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}