*{margin:0;padding:0;box-sizing:border-box}
:root{
  --teal:#237a86;--teal-deep:#175660;
  --paper:#f4f5f2;--surface:#e7e9e4;
  --ink:#12161d;--ink-soft:#3a4048;
  --line:#c9cdc5;--card:#ffffff;--err:#b23a3a;
}
body{font-family:'Archivo',system-ui,sans-serif;background:var(--paper);color:var(--ink);min-height:100vh;}
a{color:var(--teal-deep);}
h1,h2,h3{font-family:'Literata',Georgia,serif;}

/* ---- Login ---- */
.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;}
.login-box{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:36px 32px;max-width:360px;width:100%;}
.login-box h1{font-size:1.3rem;margin-bottom:6px;}
.login-box p{color:var(--ink-soft);font-size:0.9rem;margin:0 0 20px;}
.login-box input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:6px;margin-bottom:14px;font-size:0.95rem;}
.login-box button{width:100%;}
.hint{color:var(--ink-soft);font-size:0.85rem;}

/* ---- Shell ---- */
.admin-topbar{
  background:var(--ink);color:#fff;padding:14px 24px;
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
}
.admin-topbar h1{font-size:1.1rem;color:#fff;}
.admin-topbar .spacer{flex:1;}
.admin-topbar .status{font-size:0.8rem;color:var(--surface);}
.admin-shell{max-width:1100px;margin:0 auto;padding:24px 20px 80px;display:grid;grid-template-columns:200px 1fr;gap:28px;}
.section-nav{display:flex;flex-direction:column;gap:2px;position:sticky;top:20px;align-self:start;}
.section-nav a{padding:9px 12px;border-radius:6px;color:var(--ink);font-size:0.88rem;text-decoration:none;}
.section-nav a:hover{background:var(--surface);}

.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:26px;margin-bottom:28px;}
.card h2{font-size:1.2rem;margin-bottom:16px;}
.card .sub{color:var(--ink-soft);font-size:0.85rem;margin:-10px 0 16px;}
.field{margin-bottom:12px;}
.field label{display:block;font-size:0.82rem;font-weight:600;margin-bottom:4px;}
.field input,.field textarea,.field select{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:6px;font-family:inherit;font-size:0.9rem;}
.field textarea{min-height:70px;resize:vertical;}
.bi-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.tri-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;}
button{font-family:inherit;font-weight:700;font-size:0.85rem;background:var(--teal);color:#fff;border:none;padding:9px 18px;border-radius:999px;cursor:pointer;}
button:hover{background:var(--teal-deep);}
button.secondary{background:transparent;color:var(--teal-deep);border:1px solid var(--teal-deep);}
button.danger{background:var(--err);}
button.danger:hover{background:#8f2c2c;}
button.small{padding:6px 14px;font-size:0.8rem;}
.list-item{border:1px solid var(--line);border-radius:8px;padding:16px;margin-bottom:12px;}
.list-item-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;gap:10px;}
.list-item-head strong{font-size:0.95rem;}
.list-item-actions{display:flex;gap:8px;}
.add-btn{margin-top:4px;}
.status-msg{font-size:0.85rem;margin-top:8px;}
.status-msg.ok{color:#2f7a5c;}
.status-msg.err{color:var(--err);}
.checkbox-row{display:flex;align-items:center;gap:8px;margin-bottom:12px;}
.checkbox-row input{width:auto;}
.pw-field{position:relative;margin-bottom:14px;}
.pw-field input{margin-bottom:0;padding-right:38px;}
.pw-toggle{
  position:absolute;right:4px;top:50%;transform:translateY(-50%);
  background:none;border:none;padding:4px 8px;font-size:1rem;line-height:1;
  color:var(--ink-soft);cursor:pointer;opacity:0.55;
}
.pw-toggle:hover{opacity:1;background:none;}
.pw-toggle.active{opacity:1;color:var(--teal-deep);}
[hidden]{display:none !important;}