/* public/css/style.css */
:root{
  --bg:#f3f4f6;
  --panel:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --primary:#2563eb;
  --danger:#b91c1c;
  --shadow:0 10px 20px rgba(0,0,0,.06);
  --radius:16px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:16px}
.flex{display:flex;gap:16px;align-items:center}
.between{justify-content:space-between}

.site-header{position:sticky;top:0;background:#fff;box-shadow:var(--shadow);z-index:10}
.site-header .brand{font-weight:700;font-size:20px}
.site-header .nav a{margin-left:14px;padding:10px 12px;border-radius:12px}
.site-header .nav a:hover{background:#eef2ff}

.site-footer{margin-top:40px;border-top:1px solid #e5e7eb}
.hero{padding:24px 0}
.card{background:var(--panel);padding:20px;border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px}
.card.inner{background:#fafafa}
.narrow{max-width:520px;margin:0 auto}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.grid.two{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.subgrid{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}

.server-card{padding:16px;border:1px solid #e5e7eb;border-radius:14px}
.list{list-style:none;padding:0;margin:0}
.list li{padding:8px 0;border-bottom:1px dashed #e5e7eb}
.list li:last-child{border-bottom:none}
.list.small li{font-size:14px}
.muted{color:var(--muted)}
.row{display:flex;align-items:center;gap:10px}
.gap{gap:12px}

label{display:block;margin:8px 0}
input, textarea, button{width:100%;padding:10px 12px;border-radius:12px;border:1px solid #e5e7eb;font-size:16px}
input:focus, textarea:focus{outline:2px solid #dbeafe;border-color:#93c5fd}
button{background:var(--primary);color:#fff;border:none;cursor:pointer}
button:hover{filter:brightness(0.98)}
button.danger{background:var(--danger)}

.alert{padding:12px 14px;border-radius:12px;margin-bottom:10px}
.alert.error{background:#fee2e2;color:#7f1d1d}
.alert.success{background:#dcfce7;color:#065f46}