:root {
  color-scheme: dark;
  --bg: #07090c;
  --surface: #0c1014;
  --text: #f4f7f7;
  --muted: #929da2;
  --line: rgba(218, 233, 238, 0.15);
  --line-strong: rgba(218, 233, 238, 0.34);
  --violet: #7d75ff;
  --cyan: #c7fbff;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { min-height: 100%; }
body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 78% 18%, rgba(92, 85, 255, .17), transparent 34rem),
    linear-gradient(rgba(218, 233, 238, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(218, 233, 238, .05) 1px, transparent 1px),
    var(--bg);
  background-size: auto, 7vw 7vw, 7vw 7vw, auto;
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--cyan); outline-offset: 4px; }

.page-header {
  position: relative;
  z-index: 2;
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.25rem, 5vw, 5rem);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 9, 12, .76);
  backdrop-filter: blur(18px);
}

.page-brand {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  font-size: .92rem;
  font-weight: 700;
}

.page-brand img { width: 31px; height: 31px; object-fit: contain; }
.back-link { color: #b9c2c6; font-size: .9rem; transition: color .2s ease; }
.back-link:hover { color: #fff; }

.page-main {
  position: relative;
  z-index: 1;
  display: grid;
  width: min(76rem, calc(100% - 2.5rem));
  min-height: calc(100vh - 78px);
  margin: 0 auto;
  padding: clamp(4rem, 10vh, 8rem) 0;
  align-content: center;
}

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(18rem, .9fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
}

.eyebrow {
  margin: 0 0 1.4rem;
  color: #9aa5aa;
  font-size: .75rem;
  letter-spacing: .17em;
}

h1 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(3rem, 7vw, 6.8rem);
  font-weight: 540;
  line-height: .98;
  letter-spacing: -.06em;
}

.page-description {
  max-width: 39rem;
  margin: 2rem 0 0;
  color: #a8b1b5;
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  line-height: 1.8;
}

.status-card {
  position: relative;
  overflow: hidden;
  min-height: 25rem;
  padding: clamp(2rem, 4vw, 3.5rem);
  border: 1px solid var(--line-strong);
  border-radius: 1.25rem;
  background: linear-gradient(145deg, rgba(16, 22, 27, .96), rgba(8, 11, 15, .9));
  box-shadow: 0 2rem 6rem rgba(0, 0, 0, .35);
}

.status-card::before {
  content: "";
  position: absolute;
  width: 18rem;
  height: 18rem;
  right: -8rem;
  top: -8rem;
  border-radius: 50%;
  background: rgba(125, 117, 255, .2);
  filter: blur(38px);
}

.status-index {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  color: var(--cyan);
  font: 600 .72rem/1.4 ui-monospace, monospace;
  letter-spacing: .12em;
}

.status-index::before {
  content: "";
  width: .45rem;
  height: .45rem;
  border-radius: 50%;
  background: var(--violet);
  box-shadow: 0 0 16px rgba(125, 117, 255, .9);
}

.status-card h2 {
  position: relative;
  margin: 5.5rem 0 1rem;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 520;
  letter-spacing: -.035em;
}

.status-card p {
  position: relative;
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.75;
}

.status-line {
  position: absolute;
  right: 2rem;
  bottom: 2rem;
  left: 2rem;
  height: 1px;
  background: linear-gradient(90deg, var(--violet), var(--line), transparent);
}

@media (max-width: 760px) {
  .page-main { align-content: start; padding-top: 4rem; }
  .page-layout { grid-template-columns: 1fr; gap: 3rem; }
  h1 { max-width: none; font-size: clamp(3rem, 15vw, 5rem); }
  .status-card { min-height: 20rem; }
}

.register-page {
  min-height: 100svh;
  background: var(--bg);
}

.register-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(2rem, 4vw, 3.5rem);
  min-height: calc(100svh - 78px);
  padding: 2rem 1.25rem 5rem;
  text-align: center;
}

.register-main h1 {
  max-width: 16ch;
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4.8rem);
  font-weight: 540;
  line-height: 1.2;
  letter-spacing: -.045em;
  text-wrap: balance;
}

.register-qr {
  display: block;
  width: min(16rem, 72vw);
  height: auto;
  border-radius: .75rem;
  background: #fff;
  box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, .32);
}

@media (max-width: 520px) {
  .register-page .page-header { padding-inline: 1rem; }
  .register-page .back-link { font-size: .78rem; }
}