:root {
  --paper: #F6F5F0; --card: #fff; --ink: #1F2429; --faded: #6E747B;
  --line: #E4E2DB; --red: #C4453C; --ochre: #D9A441; --blue: #48729E;
}
* { box-sizing: border-box; margin: 0; }
body {
  background: var(--paper); color: var(--ink);
  font-family: 'Helvetica Neue','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  -webkit-text-size-adjust: 100%;
}
.wrap { max-width: 640px; margin: 0 auto; padding: 28px 16px 60px; }
.eyebrow { font-size: 11px; letter-spacing: .22em; color: var(--faded); text-transform: uppercase; }
h1 { font-size: 28px; line-height: 1.15; letter-spacing: -0.01em; margin: 6px 0 0; }
.h1zh { font-size: 20px; font-weight: 700; margin: 2px 0; }
.sub { font-size: 13px; color: var(--faded); margin-bottom: 14px; line-height: 1.6; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 6px; }
input, textarea { font-family: inherit; font-size: 16px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); padding: 10px 12px; width: 100%; color: var(--ink); }
input:focus, textarea:focus, button:focus-visible { outline: 2px solid var(--blue); outline-offset: 1px; }
button { font-family: inherit; cursor: pointer; }
.btn-primary { border: none; background: var(--ink); color: #fff; border-radius: 6px; padding: 10px 18px; font-size: 14px; font-weight: 700; white-space: nowrap; }
.btn-primary:disabled { opacity: .6; }
.btn-ghost { border: 1px solid var(--ink); background: none; border-radius: 6px; padding: 8px 14px; font-size: 13px; font-weight: 700; color: var(--ink); }
.linkbtn { border: none; background: none; color: var(--blue); font-size: 12px; padding: 0; text-decoration: underline; }
.err { color: var(--red); font-size: 13px; margin-bottom: 8px; }
.empty { color: var(--faded); padding: 36px 12px; text-align: center; font-size: 14px; line-height: 1.7; }
.adminrow { font-size: 12px; color: var(--faded); margin: 2px 0 10px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.crow { display: flex; gap: 6px; margin-top: 6px; }
.footer { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; border-top: 1px solid var(--line); margin-top: 36px; padding-top: 18px; }
.chip { font-size: 12.5px; color: var(--ink); text-decoration: none; border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 6px 12px; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }