:root{
  --ink:#342721;--latte:#DDC5A3;--cream:#F4EBDD;--paper:#FFFBF4;
  --mute:#5F4834;--line:#E4D3B8;--bad:#C9724B;--side:220px;--r:12px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{overflow-x:hidden}
body{font:15px/1.45 "Segoe UI",system-ui,sans-serif;color:var(--ink);background:var(--cream);min-height:100vh}
a{color:var(--ink);text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
.side button.out{
  background:none;border:0;color:var(--latte);cursor:pointer;padding:8px 10px;
  text-align:left;width:100%;border-radius:8px;
}
.layout{display:flex;min-height:100vh}
.side{
  width:var(--side);flex-shrink:0;background:var(--ink);color:var(--latte);
  padding:20px 12px;display:flex;flex-direction:column;gap:6px;
  position:sticky;top:0;height:100vh;
}
.side a{color:var(--latte);padding:10px;border-radius:8px;min-height:44px;display:flex;align-items:center}
.side a.on,.side a:hover{background:#4a372e}
.brand{display:flex;gap:8px;align-items:center;padding:0 8px 12px;border-bottom:1px solid #4a372e;margin-bottom:8px}
.brand img{width:32px;height:32px;border-radius:50%;object-fit:cover}
.main{flex:1;padding:28px 32px;min-width:0}
.col{max-width:960px;margin:0 auto}
h1{font-size:20px;margin:0 0 14px}
h2{font-size:15px;margin:0 0 8px}
.muted{color:var(--mute);font-size:13px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:14px;margin:0 0 12px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.num{font-size:28px;font-variant-numeric:tabular-nums}
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--ink);color:var(--latte);border:0;border-radius:8px;padding:8px 12px;cursor:pointer;min-height:44px}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.bad{background:var(--bad);color:#fff}
label{display:block;font-size:12px;color:var(--mute);margin:0 0 4px}
input,select,textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px;margin:0 0 10px;background:var(--paper);font-size:16px}
textarea{min-height:80px}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:top}
.err{background:#f3e1d6;padding:8px 10px;border-radius:8px;margin:0 0 10px}
.flash{background:var(--latte);padding:8px 10px;border-radius:8px;margin:0 0 10px}
.login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.login-box{width:100%;max-width:380px}
.login-box img{width:72px;height:72px;border-radius:50%;margin:0 auto 12px;display:block;object-fit:cover}
.seg{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;margin:0 0 12px}
.seg a{flex:1;text-align:center;padding:10px;background:var(--paper);min-height:44px;display:flex;align-items:center;justify-content:center}
.seg a.on{background:var(--ink);color:var(--latte)}
.secret{font-family:ui-monospace,Consolas,monospace;font-size:18px;letter-spacing:.08em;word-break:break-all}

@media (min-width: 1100px){
  .main{padding:36px 48px}
}
@media (max-width: 800px){
  .layout{flex-direction:column}
  .side{width:100%;height:auto;flex-direction:row;flex-wrap:wrap;position:static}
  .side button.out{width:auto}
  .grid3,.grid4{grid-template-columns:1fr 1fr}
  .main{padding:16px}
  table{font-size:13px}
}
@media (max-width: 520px){
  .grid3,.grid4{grid-template-columns:1fr}
}