:root {
  --p-900: #2a1760;
  --p-800: #3a2078;
  --p-700: #4b2e8f;
  --p-600: #6a43b8;
  --p-500: #7b52c9;
  --p-400: #a683e3;
  --p-200: #e2d5f2;
  --p-100: #f1eafa;
  --ink: #1d1537;
  --muted: #5d5478;
  --card: rgba(255, 255, 255, 0.82);
  --err: #b3261e;
  --err-bg: #fdecea;
  --ok: #1b6b3a;
  --ok-bg: #e6f4ea;
  --radius: 20px;
  --shadow: 0 20px 50px -20px rgba(75, 46, 143, 0.35);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
[hidden] {
  display: none !important;
}
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  line-height: 1.6;
  background: linear-gradient(180deg, #f6f1fd 0%, #ffffff 45%, #f6f1fd 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}
main {
  flex: 1;
}
img {
  max-width: 100%;
  height: auto;
}
a {
  color: var(--p-600);
}
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88em;
}
h1,
h2 {
  line-height: 1.15;
  margin: 0 0 0.5em;
  font-family: var(--serif);
  letter-spacing: -0.01em;
}
.wrap {
  width: min(1120px, 100% - 40px);
  margin-inline: auto;
}
.skip {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--p-700);
  color: #fff;
  padding: 8px 14px;
  border-radius: 8px;
  z-index: 100;
}
.skip:focus {
  left: 8px;
}
:focus-visible {
  outline: 3px solid var(--p-400);
  outline-offset: 2px;
  border-radius: 6px;
}

/* background orbs */
.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.45;
  animation: float 18s ease-in-out infinite;
}
.orb-1 {
  width: 480px;
  height: 480px;
  background: var(--p-400);
  top: -120px;
  right: -100px;
}
.orb-2 {
  width: 380px;
  height: 380px;
  background: #cbb4f0;
  top: 55vh;
  left: -140px;
  animation-delay: -6s;
}
.orb-3 {
  width: 300px;
  height: 300px;
  background: var(--p-500);
  opacity: 0.25;
  bottom: -80px;
  right: 15%;
  animation-delay: -12s;
}
@keyframes float {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(24px, -30px) scale(1.06);
  }
}

/* header */
.top {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.65);
  border-bottom: 1px solid rgba(123, 82, 201, 0.12);
}
.top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--p-700);
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.15rem;
}
.brand img {
  border-radius: 50%;
}
.top nav a {
  margin-left: 22px;
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
}
.top nav a:hover {
  color: var(--p-600);
}

/* hero */
.hero {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 64px 0 48px;
}
.eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--p-200);
  color: var(--p-700);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  color: var(--p-900);
}
.grad {
  background: linear-gradient(90deg, var(--p-600), var(--p-400));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 56ch;
}
.points {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  color: var(--muted);
}
.points li {
  margin: 6px 0;
}
.points strong {
  color: var(--p-600);
  margin-right: 6px;
}

/* auth card */
.hero-card {
  display: grid;
  place-items: center;
}
.auth-card {
  position: relative;
  width: min(440px, 100%);
  background: var(--card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(123, 82, 201, 0.14);
  border-radius: 28px;
  padding: 72px 30px 30px;
  margin-top: 48px;
  box-shadow: var(--shadow);
}
.auth-logo {
  position: absolute;
  top: -48px;
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  border-radius: 28px;
  padding: 8px;
  box-shadow: var(--shadow), 0 0 0 1px rgba(123, 82, 201, 0.12);
}
.seg {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  border-radius: 14px;
  background: var(--p-100);
  margin-bottom: 20px;
}
.seg button {
  font: inherit;
  font-weight: 700;
  color: var(--muted);
  background: transparent;
  border: 0;
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
}
.seg button[aria-selected="true"] {
  background: #fff;
  color: var(--p-700);
  box-shadow: 0 4px 12px -6px rgba(75, 46, 143, 0.5);
}
.form label,
.label {
  display: block;
  margin: 14px 0 6px;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--p-800);
}
.form .hint {
  font-weight: 400;
  color: var(--muted);
}
.form input {
  width: 100%;
  font: inherit;
  padding: 12px 14px;
  color: var(--ink);
  background: #fff;
  border: 2px solid var(--p-200);
  border-radius: 12px;
}
.form input:focus {
  outline: none;
  border-color: var(--p-500);
  box-shadow: 0 0 0 4px rgba(166, 131, 227, 0.3);
}
.form input[aria-invalid="true"] {
  border-color: var(--err);
}
.msg {
  margin: 14px 0 0;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.92rem;
  background: var(--err-bg);
  color: var(--err);
}
.msg.note {
  margin: 0 0 16px;
  background: var(--p-100);
  color: var(--p-800);
}
.msg.ok {
  background: var(--ok-bg);
  color: var(--ok);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  border: 0;
  border-radius: 14px;
  font: inherit;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.form .btn {
  width: 100%;
  margin-top: 20px;
}
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--p-600), var(--p-700));
  box-shadow: 0 12px 28px -10px rgba(75, 46, 143, 0.7);
}
.btn-primary:hover {
  transform: translateY(-2px);
}
.btn-ghost {
  color: var(--p-700);
  background: rgba(255, 255, 255, 0.7);
  border: 2px solid var(--p-200);
}
.btn-ghost:hover {
  border-color: var(--p-400);
}
.btn[disabled] {
  opacity: 0.65;
  cursor: progress;
  transform: none;
}
.small {
  font-size: 0.88rem;
}
.muted {
  color: var(--muted);
}

/* signed-in view */
.welcome {
  font-size: 1.7rem;
  color: var(--p-900);
  margin-bottom: 4px;
}
.code {
  position: relative;
  background: var(--p-900);
  color: #efe7fb;
  border-radius: 12px;
  padding: 12px 64px 12px 14px;
}
.code code {
  display: block;
  white-space: pre-wrap;
  word-break: break-all;
}
.copy {
  position: absolute;
  top: 8px;
  right: 8px;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  color: #fff;
  background: rgba(255, 255, 255, 0.16);
  border: 0;
  border-radius: 8px;
  padding: 4px 10px;
  cursor: pointer;
}
.copy:hover {
  background: rgba(255, 255, 255, 0.28);
}
.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* footer */
.foot {
  background: linear-gradient(135deg, var(--p-900), var(--p-700));
  color: #efe7fb;
  padding: 28px 0;
}
.foot-inner {
  display: flex;
  align-items: center;
  gap: 16px;
}
.foot img {
  border-radius: 50%;
  background: #fff;
}
.foot p {
  margin: 0;
}
.foot .small {
  color: #cdbdea;
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 32px;
  }
  .hero-card {
    order: -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}