:root {
  --bg: #07090f;
  --card: rgba(16, 20, 30, 0.86);
  --line: rgba(186, 204, 255, 0.14);
  --text: #eef2f8;
  --muted: #9aa6b8;
  --faint: #7b8798;
  --accent: #7eb6ff;
  --accent-2: #c4a6ff;
  --accent-deep: #4f8dff;
  --danger: #ff8a96;
  --success: #6ee0b0;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --radius: 22px;
  --font: "Segoe UI", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

button,
input {
  font: inherit;
}

.sky {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(720px 360px at 8% -8%, rgba(126, 182, 255, 0.22), transparent 62%),
    radial-gradient(640px 320px at 92% 4%, rgba(196, 166, 255, 0.18), transparent 60%),
    radial-gradient(900px 520px at 50% 120%, rgba(79, 141, 255, 0.1), transparent 55%),
    linear-gradient(180deg, #0a0d16 0%, #07090f 100%);
}

.top {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 28px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo,
.card-logo {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: 12px;
  background: #000;
  box-shadow: 0 0 24px rgba(126, 182, 255, 0.22);
}

.brand-name {
  color: #d7c4ff;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-name span {
  color: #9ec8ff;
}

.shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 40px 28px 48px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 6px 14px;
  border-radius: 999px;
  color: #d7e8ff;
  background: rgba(126, 182, 255, 0.12);
  border: 1px solid rgba(126, 182, 255, 0.22);
  font-size: 14px;
  font-weight: 600;
}

.eyebrow::before {
  content: "✦";
  color: #c4a6ff;
}

.story h1 {
  margin: 18px 0 0;
  font-size: clamp(32px, 4vw, 46px);
  line-height: 1.14;
  letter-spacing: -0.03em;
}

.lead {
  margin: 18px 0 0;
  max-width: 34em;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.points {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.points li {
  display: grid;
  gap: 4px;
  padding-left: 18px;
  position: relative;
}

.points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.points strong { font-size: 15px; }
.points span { color: var(--muted); font-size: 14px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  backdrop-filter: blur(18px);
}

.card-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 6px;
}

.card-head h2,
.success-card h2 {
  margin: 0;
  font-size: 24px;
  letter-spacing: -0.02em;
}

.invite-hint,
.success-copy,
.field-note {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.invite-hint[hidden],
.field-note[hidden] {
  display: none;
}

.field {
  display: grid;
  gap: 6px;
  margin-top: 14px;
  color: #c9d3e2;
  font-size: 13px;
  font-weight: 600;
}

.field small {
  margin-left: 6px;
  color: var(--faint);
  font-weight: 500;
}

.field input,
.password-wrap {
  width: 100%;
}

.field input {
  height: 44px;
  padding: 0 13px;
  border: 1px solid rgba(186, 204, 255, 0.16);
  border-radius: 12px;
  background: rgba(8, 10, 16, 0.72);
  color: var(--text);
  font-weight: 400;
}

.field input::placeholder {
  color: #6f7b8d;
}

.field input:focus {
  outline: 2px solid rgba(126, 182, 255, 0.35);
  outline-offset: 1px;
  border-color: rgba(126, 182, 255, 0.55);
}

.field input[readonly] {
  color: #c7d7f5;
  background: rgba(126, 182, 255, 0.08);
}

.password-wrap {
  position: relative;
  display: block;
}

.password-wrap input {
  padding-right: 52px;
}

.ghost-icon,
.secondary,
.primary,
.legal-link,
.legal-close {
  border: 0;
  cursor: pointer;
  background: none;
}

.ghost-icon {
  position: absolute;
  top: 0;
  right: 2px;
  width: 42px;
  height: 44px;
  padding: 0;
  color: var(--accent);
  display: grid;
  place-items: center;
}

.ghost-icon svg {
  width: 18px;
  height: 18px;
  display: block;
}

.code-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.secondary,
.primary,
.download,
.legal-close {
  border-radius: 12px;
  font-weight: 600;
}

.secondary,
.legal-close {
  padding: 0 14px;
  color: var(--accent);
  background: rgba(126, 182, 255, 0.1);
  border: 1px solid rgba(126, 182, 255, 0.2);
}

.secondary:disabled,
.primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.agree {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.agree input { margin-top: 3px; }

.legal-link {
  display: inline;
  padding: 0;
  color: var(--accent);
  font-weight: 600;
}

.legal-link:hover {
  color: #c4e0ff;
  text-decoration: underline;
}

.error {
  color: var(--danger);
  font-size: 12px;
  font-style: normal;
  font-weight: 500;
}

.alert {
  margin: 14px 0 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255, 138, 150, 0.12);
  color: var(--danger);
  font-size: 13px;
}

.primary {
  width: 100%;
  margin-top: 18px;
  height: 48px;
  color: #071018;
  background: linear-gradient(135deg, #9fd0ff 0%, #c9b4ff 100%);
}

.primary:hover:not(:disabled) {
  filter: brightness(1.06);
}

.success-card {
  text-align: center;
}

.success-logo {
  margin: 0 auto 14px;
}

.version {
  margin: 10px 0 0;
  color: var(--faint);
  font-size: 13px;
}

.downloads {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.download {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  align-items: center;
  gap: 12px;
  min-height: 70px;
  padding: 12px 16px;
  text-decoration: none;
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  text-align: left;
}

.download:hover {
  border-color: rgba(126, 182, 255, 0.38);
  background: rgba(126, 182, 255, 0.08);
}

.download-icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: var(--accent);
  background: rgba(126, 182, 255, 0.12);
}

.download small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-weight: 400;
}

.download b {
  color: var(--accent);
  font-size: 13px;
}

.foot {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 28px 32px;
  display: flex;
  gap: 16px;
  align-items: center;
  color: var(--faint);
  font-size: 13px;
}

.foot .legal-link {
  color: var(--faint);
  font-weight: 500;
}

.legal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(4, 6, 10, 0.72);
}

.legal-backdrop[hidden] { display: none; }

.legal-dialog {
  width: min(720px, 100%);
  max-height: min(80vh, 820px);
  display: flex;
  flex-direction: column;
  background: #11151f;
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.legal-dialog header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.legal-dialog h2 {
  margin: 0;
  font-size: 18px;
}

.legal-dialog header p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.legal-close {
  height: 36px;
}

.legal-body {
  padding: 20px 22px 24px;
  overflow: auto;
  color: #d5dce8;
  font-size: 14px;
  line-height: 1.75;
}

.legal-body h1,
.legal-body h2,
.legal-body h3 {
  color: var(--text);
  margin: 1.2em 0 0.45em;
}

.legal-body h1 { font-size: 22px; margin-top: 0; }
.legal-body h2 { font-size: 17px; }
.legal-body h3 { font-size: 15px; }
.legal-body p,
.legal-body ul { margin: 0 0 0.85em; }
.legal-body ul { padding-left: 1.2em; }
.legal-body a { color: var(--accent); }
.legal-body hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 18px 0;
}

@media (max-width: 880px) {
  .shell {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-top: 24px;
  }

  .panel {
    order: -1;
  }

  .story h1 { font-size: 30px; }
}

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