/* 스마일 시스템: PC는 왼쪽 메뉴, 폰은 아래 메뉴 */
:root{
  --bg:#EEF1F6;--surface:#FFFFFF;--surface-2:#F4F6FA;--ink:#18213A;--muted:#5B6580;--line:#D6DCE7;
  --pen:#2546C8;--pen-soft:#E3E8FB;--risk:#C0302B;--risk-soft:#FBE4E2;
  --f:"Malgun Gothic","Apple SD Gothic Neo","Noto Sans KR",system-ui,sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f);font-size:15px;line-height:1.55}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--pen);outline-offset:2px}
.boot{padding:40px;text-align:center;color:var(--muted)}

.auth{max-width:380px;margin:8vh auto;padding:0 16px}
.auth h1{font-size:28px;margin:0 0 4px;color:var(--pen)}
.auth p{color:var(--muted);margin:0 0 20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:12px}
label.f{display:flex;flex-direction:column;gap:4px;font-size:13px;font-weight:700;color:var(--muted)}
input.i{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:var(--surface);font-weight:400;color:var(--ink)}
.btn{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:8px 14px;font-weight:700;font-size:14px}
.btn.primary{background:var(--pen);border-color:var(--pen);color:#fff}
.btn:disabled{opacity:.5;cursor:default}
.err{background:var(--risk-soft);color:var(--risk);border-radius:8px;padding:8px 10px;font-size:14px}
.note{background:var(--surface-2);border-radius:8px;padding:10px 12px;font-size:13px;color:var(--muted)}

.shell{display:grid;grid-template-columns:200px 1fr;min-height:100%}
.side{background:var(--surface);border-right:1px solid var(--line);padding:16px 10px;display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100vh}
.logo{font-size:20px;font-weight:800;color:var(--pen);padding:0 8px 4px}
.who{font-size:12px;color:var(--muted);padding:0 8px 12px}
.side button.nav{border:0;background:none;text-align:left;padding:9px 12px;border-radius:8px;font-weight:600;color:var(--muted)}
.side button.nav[aria-current="page"]{background:var(--pen-soft);color:var(--pen)}
.side .grow{flex:1}
.main{padding:20px 22px 40px;min-width:0}
.main h2{font-size:20px;margin:0 0 14px}
.mobile-top{display:none}

@media (max-width:860px){
  .shell{grid-template-columns:1fr}
  .side{position:fixed;bottom:0;left:0;right:0;top:auto;height:auto;flex-direction:row;padding:4px 6px calc(4px + env(safe-area-inset-bottom,0px));border-right:0;border-top:1px solid var(--line);z-index:5}
  .side .logo,.side .who,.side .grow,.side .logout{display:none}
  .side button.nav{flex:1;text-align:center;font-size:13px;padding:8px 4px;min-width:0}
  .main{padding:14px 16px 90px}
  .mobile-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:13px;color:var(--muted)}
}