/* ========== Modern Reset ========== */
*{box-sizing:border-box}
html,body{height:100%}
html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,address,cite,code,del,dfn,em,img,ins,kbd,q,samp,small,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{margin:0;padding:0;border:0;font:inherit;vertical-align:baseline}
article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}
ol,ul{list-style:none}

/* ========== Theme Vars ========== */
:root{
  --c-primary:#2563eb;      /* 브랜드 포인트 */
  --c-primary-600:#1d4ed8;
  --c-dark:#0f172a;         /* 본문 텍스트 */
  --c-muted:#6b7280;        /* 보조 텍스트 */
  --c-bg:#f8fafc;           /* 페이지 배경 */
  --c-surface:#ffffff;      /* 카드/헤더 배경 */
  --c-border:#e5e7eb;       /* 경계선 */
  --radius:12px;
  --shadow:0 6px 20px rgba(2,6,23,.06);
}

/* ========== Typography ========== */
html{font-size:16px}
body{
  font-family: system-ui,-apple-system,Segoe UI,Roboto,Apple SD Gothic Neo,Noto Sans KR,Helvetica,Arial,sans-serif;
  color:var(--c-dark);
  background:var(--c-bg);
  line-height:1.6;
}
a{color:var(--c-primary);text-decoration:none}
a:hover{color:var(--c-primary-600);text-decoration:underline}
h1{font-size:1.75rem;font-weight:800;margin-bottom:.5rem}
h2{font-size:1.35rem;font-weight:700;margin:1.25rem 0 .5rem}
p{margin:.25rem 0}

/* ========== Layout ========== */
.container{max-width:1100px;margin:0 auto;padding:16px}
.site-header{
  position:sticky;top:0;z-index:40;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-border);
  box-shadow:var(--shadow);
}
.header-flex{display:flex;align-items:center;justify-content:space-between;gap:16px}
.head-left{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.logo{font-weight:800;font-size:1.125rem;color:var(--c-primary)}
.site-main{padding:28px 0}
.site-footer{margin-top:40px;background:var(--c-surface);border-top:1px solid var(--c-border)}
.site-footer .container{color:#64748b}

/* ========== Buttons & Forms ========== */
.btn{
  display:inline-block;border:1px solid var(--c-primary);background:var(--c-primary);
  color:#fff;padding:9px 14px;border-radius:999px;cursor:pointer;line-height:1;
}
.btn:hover{background:var(--c-primary-600);border-color:var(--c-primary-600)}
.btn-ghost{
  background:#fff;border:1px solid var(--c-border);color:var(--c-dark)
}
.field{margin-bottom:12px}
.field input,.field textarea,.field select{
  width:100%;padding:10px;border:1px solid var(--c-border);border-radius:var(--radius);background:#fff
}
.alert{background:#fee2e2;color:#991b1b;padding:10px;border-radius:10px;margin-bottom:12px}

/* ========== Tables / Pager ========== */
.table{width:100%;border-collapse:collapse;margin:12px 0;background:#fff;border:1px solid var(--c-border);border-radius:12px;overflow:hidden}
.table th,.table td{padding:12px 14px;border-bottom:1px solid var(--c-border)}
.table thead th{background:#f1f5f9;text-align:left}
.pager{display:flex;gap:8px;margin-top:12px}
.pager .page{padding:8px 12px;border:1px solid var(--c-border);border-radius:10px;background:#fff;text-decoration:none;color:var(--c-dark)}
.pager .current{background:#e0e7ff;border-color:#c7d2fe}

/* ========== Banners ========== */
.banner-slot{padding:10px 0}

/* ==========회원가입 ========== */
.filter-tabs .is-active{background:#e0e7ff;border-color:#c7d2fe}
.muted{color:#6b7280}