/* base.css */

:root{
  --bg:#f6f7fb;
  --panel:#ffffff;
  --line:#d9dce7;
  --text:#1f2430;
  --muted:#687086;
  --accent:#2a5bd7;
  --accent-soft:#eef3ff;
  --shadow:0 10px 28px rgba(27,39,94,.08);
  --radius:20px;
}

*{box-sizing:border-box}

body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Yu Gothic",sans-serif;
  background:linear-gradient(180deg,#f8faff 0%,#f4f6fb 100%);
  color:var(--text);
}

/* layout */
.wrap{
  width:min(1100px,calc(100% - 32px));
  margin:0 auto;
}

/* header */
.topbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:20px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  font-weight:700;
}

.brand-mark{
  width:42px;
  height:42px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:var(--accent);
  color:#fff;
}

/* nav */
.nav{
  display:flex;
  gap:10px;
  align-items:center;
  flex-wrap:wrap;
}

.nav a,
.auth-status{
  padding:10px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  font-size:14px;
  color:var(--muted);
}

.nav a:hover{
  border-color:var(--accent);
  color:var(--accent);
  background:var(--accent-soft);
}

.lang-switch{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 10px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  color:var(--muted);
  font-size:13px;
}

.lang-switch-label{
  white-space:nowrap;
}

.lang-switch select{
  border:none;
  background:transparent;
  color:inherit;
  font:inherit;
  outline:none;
  min-width:88px;
}

/* auth */
.auth-status[data-auth-state="logged-in"]{
  color:#1f7a39;
  background:#eefaf1;
  border-color:#cfe8d6;
}

.auth-status[data-auth-state="logged-out"]{
  color:#9a6700;
  background:#fff8e6;
  border-color:#f0dfb2;
}

.site-footer{
  margin-top:48px;
  padding:24px 0 40px;
}

.site-footer-inner{
  width:min(1100px,calc(100% - 32px));
  margin:0 auto;
  border-top:1px solid var(--line);
  padding-top:20px;
  display:grid;
  gap:14px;
}

.site-footer-brand{
  display:flex;
  flex-direction:column;
  gap:4px;
  color:var(--muted);
  font-size:14px;
}

.site-footer-links{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.site-footer-links a{
  padding:8px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  color:var(--muted);
  font-size:14px;
}

.site-footer-links a:hover{
  border-color:var(--accent);
  color:var(--accent);
  background:var(--accent-soft);
}

.site-footer-meta{
  color:var(--muted);
  font-size:13px;
}

@media (max-width: 860px){
  .topbar{
    flex-direction:column;
    align-items:flex-start;
    gap:14px;
  }

  .nav{
    width:100%;
  }
}

@media (max-width: 640px){
  .wrap{
    width:min(100%,calc(100% - 24px));
  }

  .nav a,
  .auth-status{
    font-size:13px;
    padding:9px 12px;
  }

  .lang-switch{
    width:100%;
    justify-content:space-between;
    border-radius:16px;
  }

  .site-footer{
    margin-top:40px;
    padding:20px 0 32px;
  }

  .site-footer-inner{
    width:min(100%,calc(100% - 24px));
  }

  .site-footer-links{
    gap:8px;
  }

  .site-footer-links a{
    font-size:13px;
    padding:8px 10px;
  }
}