* { box-sizing: border-box; }
html { color-scheme: light; }
body {
  margin: 0; color: var(--slate-12); background: var(--white);
  font: var(--font-body)/1.6 system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;
  display: flex; flex-direction: column; min-height: 100dvh;
}
button,input,summary { font: inherit; }
button,a,input,summary { -webkit-tap-highlight-color: transparent; }
a { color: var(--indigo-11); text-underline-offset: 4px; }
button { cursor: pointer; }
button:disabled { cursor: wait; }
button:focus-visible,a:focus-visible,summary:focus-visible {
  outline: 0.5px solid var(--indigo-11); outline-offset: 4px;
}
.brand-row {
  display: flex; align-items: center; gap: 16px; min-height: 56px; flex: none;
  padding: 0 max(24px,calc((100% - 1040px)/2)); border-bottom: 0.5px solid var(--slate-6);
}
.brand {
  display: flex; align-items: center; gap: 12px; font-weight: 650;
  text-decoration: none; white-space: nowrap; color: var(--indigo-11); font-size: var(--font-body);
}
.brand img { width: 32px; height: 32px; }
.edition { font-size: var(--font-body); color: var(--slate-11); }
.access-shell {
  width: min(1120px,100%); margin: 0 auto; padding: 32px 40px;
  display: grid; grid-template-columns: minmax(0,600px) minmax(0,1fr); gap: 40px;
  flex: 1 0 auto; min-height: 0; align-content: center; align-items: center;
}
.research-space,.login-space { min-width: 0; }
.scene { margin: 0; display: grid; gap: 8px; }
.demo-frame {
  aspect-ratio: 3/2;
  border: 0.5px solid var(--slate-6); border-radius: var(--radius-control);
}
/* The native camera supplies the composition; show its complete original frame. */
.demo-frame img {
  display: block; width: 100%; height: auto; aspect-ratio: 3/2; object-fit: contain;
}
.scene figcaption { font-size: var(--font-meta); line-height: 1.5; color: var(--slate-11); }
.login-space { display: flex; align-items: flex-start; margin: 0; }
.login-content { min-width: 0; width: 100%; max-width: 340px; }
.login-content h1 {
  font-size: var(--font-title); line-height: 1.35; font-weight: 600; margin: 0 0 24px;
}
#guest-access-note { margin: 12px 0 0; font-size: var(--font-meta); line-height: 1.6; color: var(--slate-11); text-wrap: pretty; }
.enter-button {
  width: 100%; display: flex; align-items: center; gap: 12px; justify-content: center;
  padding: 8px 16px; min-height: 48px; border: 0.5px solid var(--indigo-9);
  border-radius: var(--radius-control); font-weight: 600; color: var(--white); background: var(--indigo-9);
}
.enter-button:hover { background: var(--indigo-10); border-color: var(--indigo-10); }
.enter-button:active { background: var(--indigo-11); border-color: var(--indigo-11); }
.enter-button:disabled { background: var(--slate-3); color: var(--slate-11); border-color: var(--slate-6); opacity: 1; }
.login-content>.enter-button { width: 100%; max-width: 100%; justify-content: space-between; padding-inline: 18px; }
.entry-arrow { width: 18px; height: 18px; stroke: currentColor; stroke-width: 1.5; fill: none; flex: none; }
.is-loading .button-arrow { visibility: hidden; }
.button-spinner { display: none; }
.login-footer {
  width: min(1120px,100%); margin: 0 auto; padding: 8px 40px 16px; flex: none;
  display: grid; grid-template-columns: minmax(0,1fr) minmax(280px,360px); gap: 24px;
  align-items: start; color: var(--slate-11); font-size: var(--font-meta);
}
.login-footer>span { padding: 10px 0; }
.maintainer-entry { margin: 0; padding: 0; }
.maintainer-entry summary {
  cursor: pointer; list-style: none; padding: 10px 0; min-height: 44px;
  font-size: var(--font-meta); color: var(--slate-12); text-align: right;
}
.maintainer-entry summary::-webkit-details-marker { display: none; }
.maintainer-entry summary:hover { color: var(--indigo-11); }
.maintainer-entry[open] summary { color: var(--indigo-11); margin-bottom: 12px; text-align: left; }
.maintainer-entry form { text-align: left; }
.field { display: grid; gap: 6px; margin: 0 0 16px; }
.field label { font-weight: 550; }
.input-wrap {
  position: relative; display: flex; align-items: center; min-height: 44px;
  border: 0.5px solid var(--slate-7); border-radius: var(--radius-control); background: var(--white);
}
.input-wrap:focus-within { border-color: var(--indigo-8); outline: 0.5px solid var(--indigo-11); outline-offset: 2px; }
.input-wrap>svg { width: 18px; height: 18px; flex: none; margin-left: 14px; stroke: var(--slate-11); stroke-width: 1.5; fill: none; }
.input-wrap input {
  min-width: 0; flex: 1; width: 100%; height: 44px; padding: 10px 12px;
  background: transparent; color: var(--slate-12); border: 0; border-radius: inherit; outline: none;
}
.input-wrap input::placeholder { color: var(--slate-11); }
input[aria-invalid=true] { color: var(--red-11); }
.input-wrap:has([aria-invalid=true]) { border-color: var(--red-8); }
.password-toggle {width: 44px; height: 44px; flex: none; border: 0; background: transparent; color: var(--slate-11); padding: 12px; border-radius: 3px; }
.password-toggle:hover,.password-toggle[aria-pressed=true] { color: var(--indigo-11); background: var(--indigo-3); }
.password-toggle svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.5; }
.eye-slash { display: none; }
.password-toggle[aria-pressed=true] .eye-slash { display: block; }
.form-meta { display: flex; justify-content: flex-end; margin-top: -8px; }
.form-meta button { border: 0; padding: 4px 0; background: transparent; color: var(--slate-11); font-size: var(--font-meta); }
.form-meta button:hover { color: var(--indigo-11); }
.access-help { font-size: var(--font-meta); color: var(--slate-11); margin: 8px 0; }
.form-message { font-size: var(--font-meta); color: var(--red-11); overflow-wrap: anywhere; white-space: pre-wrap; margin: 12px 0; }
.form-message:empty { display: none; }
#resume-workspace { display: block; margin-top: 16px; }
#resume-workspace[hidden],[hidden] { display: none!important; }
@media(max-width:1000px) {
  .access-shell { padding: 24px; gap: 32px; grid-template-columns: minmax(0,1.2fr) minmax(280px,1fr); }
  .brand-row { padding: 0 24px; gap: 8px 16px; flex-wrap: wrap; }
  .login-footer { padding: 8px 24px 16px; gap: 16px; grid-template-columns: minmax(0,1fr) minmax(280px,1fr); }
}
@media(max-width:700px) {
  .access-shell { grid-template-columns: minmax(0,1fr); gap: 24px; padding: 24px; }
  .login-space { grid-row: 1; }
  .research-space { grid-row: 2; }
  .login-footer { grid-template-columns: minmax(0,1fr); gap: 4px; }
  .login-footer>span { grid-row: 2; }
  .maintainer-entry summary { text-align: left; }
}
@media(prefers-reduced-motion: reduce) {
  *,*::before,*::after { animation: none!important; transition: none!important; scroll-behavior: auto!important; }
}