:root {
  --ink: #eee5d4;
  --muted: #b8a682;
  --gold: #dfb64f;
  --gold-soft: #e6c374;
  --line: #b39b6740;
  --bg: #17130d;
  --panel: #211b12cc;
  font-family: Georgia, "Times New Roman", "Songti SC", "Noto Serif SC", serif;
  color: var(--ink);
  background: var(--bg);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
a { color: inherit; text-decoration: none; }
body {
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  overflow-x: hidden;
}
.portal-sky {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 38%, #6a502d66, transparent 58%),
    radial-gradient(ellipse at 12% 100%, #60451c33, transparent 50%),
    var(--bg);
}
.portal-sky:before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .5;
  background-image:
    radial-gradient(circle at 18% 24%, #c7ba88 0 1px, transparent 1.6px),
    radial-gradient(circle at 80% 32%, #9eac9d 0 1px, transparent 1.6px),
    radial-gradient(circle at 72% 78%, #c7ba88 0 1px, transparent 1.6px);
  background-size: 470px 410px, 570px 610px, 730px 590px;
  animation: drift 48s linear infinite;
}
.portal-orbit {
  position: absolute;
  width: min(980px, 140vw);
  height: min(980px, 140vw);
  left: 50%;
  top: 48%;
  transform: translate(-50%, -50%);
  border: 1px solid #afbd920d;
  border-radius: 50%;
}
.portal-arch {
  position: absolute;
  width: min(520px, 88vw);
  height: min(760px, 92vh);
  left: 50%;
  top: 52%;
  transform: translate(-50%, -50%);
  border: 1px solid #afbd9229;
  border-radius: 280px 280px 0 0;
  box-shadow: 0 0 120px #b8954e12, inset 0 0 80px #b8954e0c;
}
.portal-top {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 28px clamp(20px, 5vw, 44px);
  font-size: 10px;
  letter-spacing: 3px;
  color: #d1cbb5;
}
.portal-mark span { margin: 0 10px; color: #6d7b73; }
.portal-access {
  margin: 0;
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--muted);
}
.portal-access:before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 10px #dfb64f66;
  vertical-align: middle;
}
.portal-main {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
  padding: 24px clamp(20px, 5vw, 40px) 64px;
  text-align: center;
}
.portal-kicker {
  margin: 0 0 18px;
  font-size: 10px;
  letter-spacing: 3.2px;
  color: #aaa98f;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
}
.portal-brand {
  margin: 0;
  font: normal clamp(52px, 10vw, 84px)/1.05 Georgia, "Times New Roman", "Songti SC", serif;
  letter-spacing: -2px;
  color: #e9e5d8;
  animation: rise .9s ease both;
}
.portal-lead {
  margin: 22px auto 42px;
  max-width: 28rem;
  font: italic clamp(15px, 2.4vw, 18px)/1.8 Georgia, "Songti SC", serif;
  color: var(--muted);
  animation: rise .9s ease .12s both;
}
[hidden] { display: none !important; }
.login-emblem {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin: 8px auto 18px;
  border: 1px solid #e6c37455;
  border-radius: 18px;
  background: #dfb64f18;
  color: var(--gold);
  font: 700 16px/1 "Segoe UI", sans-serif;
  letter-spacing: 1px;
  text-shadow: 0 0 25px #d1bd8955;
}
.login-invite { margin-bottom: 34px; }
.portal-auth {
  display: grid;
  gap: 18px;
  max-width: 400px;
  margin: 0 auto;
  text-align: left;
  animation: rise .9s ease .18s both;
}
.portal-auth label {
  display: grid;
  gap: 10px;
  font: 400 11px/1.4 "Segoe UI", "Microsoft YaHei", sans-serif;
  letter-spacing: 1px;
  color: #d6c7a7;
}
.portal-auth input {
  min-height: 52px;
  border: 1px solid #b39b6740;
  border-radius: 9px;
  background: #211b12bb;
  padding: 14px 16px;
  color: #f4e9d3;
  font: 400 14px/1.4 "Segoe UI", "Microsoft YaHei", sans-serif;
}
.portal-auth input::placeholder { color: #ab9875; font-size: 12px; }
.portal-auth input:focus {
  outline: 0;
  border-color: #c5b886;
  box-shadow: 0 0 0 3px #c5b88614;
}
.portal-submit {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  margin-top: 6px;
  border: 1px solid #e6c374;
  border-radius: 9px;
  background: var(--gold);
  color: #3e2c0f;
  font: 600 13px/1 "Segoe UI", "Microsoft YaHei", sans-serif;
  letter-spacing: 1.2px;
  cursor: pointer;
}
.portal-submit span { position: absolute; right: 20px; font-size: 19px; font-weight: 400; }
.portal-submit:hover { background: #ebc66c; box-shadow: 0 0 30px #c5b88614; }
.portal-submit:disabled, .portal-logout:disabled { opacity: .5; cursor: default; }
.portal-private {
  margin: 22px 0 0;
  font: 400 12px/1.6 "Segoe UI", "Microsoft YaHei", sans-serif;
  letter-spacing: .4px;
  color: #96a59b;
}
.portal-error {
  min-height: 1.4em;
  margin: 16px 0 0;
  color: #f1aaa0;
  font: 400 13px/1.6 "Segoe UI", "Microsoft YaHei", sans-serif;
}
.portal-status {
  margin: 10px 0 0;
  color: #b8c5ba;
  font: 400 13px/1.6 "Segoe UI", "Microsoft YaHei", sans-serif;
}
.portal-error:empty, .portal-status:empty { display: none; }
.portal-welcome {
  margin: -18px auto 28px;
  max-width: 28rem;
  font: 400 13px/1.6 "Segoe UI", "Microsoft YaHei", sans-serif;
  color: #d6c7a7;
}
.home-card {
  max-width: 440px;
  margin: 0 auto;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  text-align: left;
}
.home-label {
  margin: 0 0 8px;
  font: 600 13px/1.4 "Segoe UI", "Microsoft YaHei", sans-serif;
  letter-spacing: .4px;
  color: var(--gold-soft);
}
.home-copy {
  margin: 0;
  font: 400 14px/1.7 "Segoe UI", "Microsoft YaHei", sans-serif;
  color: #d6c7a7;
}
.portal-actions { margin-top: 28px; display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.fiction-entry {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 10px 18px;
  border: 1px solid var(--gold);
  border-radius: 9px;
  background: var(--gold);
  color: #3e2c0f;
  font: 600 12px/1 "Segoe UI", "Microsoft YaHei", sans-serif;
  letter-spacing: .4px;
}
.fiction-entry[hidden] { display: none; }
.portal-logout {
  min-height: 42px;
  padding: 10px 18px;
  border: 1px solid #b39b6740;
  border-radius: 9px;
  background: transparent;
  color: #b8a682;
  font: 500 12px/1 "Segoe UI", "Microsoft YaHei", sans-serif;
  letter-spacing: .4px;
  cursor: pointer;
}
.portal-logout:hover { border-color: var(--gold-soft); color: #eee5d4; }
body.signed-out .portal-main { padding-top: clamp(36px, 8vh, 72px); }
@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}
@keyframes drift {
  from { background-position: 0 0, 0 0, 0 0; }
  to { background-position: 120px 40px, -80px 60px, 40px -90px; }
}
@media (max-width: 560px) {
  .portal-top { padding: 22px 18px; letter-spacing: 2px; }
  .portal-access { max-width: 42%; text-align: right; line-height: 1.5; }
  .portal-main { padding-top: 12px; }
  .portal-arch { height: 70vh; }
  .portal-auth, .home-card { max-width: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}