:root{--fg:#1a1a1a;--muted:#666;--line:#ddd;--bg:#fff;--accent:#1f5f4a;--warn-bg:#fff3b0;--error:#b00020;color:var(--fg);background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Malgun Gothic,Apple SD Gothic Neo,sans-serif;font-size:16px;line-height:1.5}*{box-sizing:border-box}body{margin:0}h1{font-size:1.5rem}h2{margin:0 0 .75rem;font-size:1.25rem}h3{margin:1.5rem 0 .5rem;font-size:1.05rem}button,input{font:inherit;min-height:44px}button{border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer;border-radius:6px;padding:0 1rem}button:disabled{opacity:.5;cursor:default}input{border:1px solid var(--line);border-radius:6px;width:100%;padding:0 .75rem}label{gap:.25rem;display:grid}.pad{padding:1rem}.muted{color:var(--muted)}.error{color:var(--error)}.warn{background:var(--warn-bg);padding:.25rem .5rem}.offline{background:var(--warn-bg);margin:0 0 1rem;padding:.5rem}.stack{gap:.75rem;margin-bottom:1rem;display:grid}.list{padding:0;list-style:none}.list li{border-bottom:1px solid var(--line);align-items:center;min-height:44px;display:flex}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--line);padding:.5rem .25rem}.num{text-align:right;font-variant-numeric:tabular-nums}.login{max-width:420px;margin:0 auto;padding:2rem 1rem}.shell{min-height:100vh}.main{max-width:960px;padding:1rem 1rem 5rem}.nav{background:var(--bg);border-top:1px solid var(--line);display:flex;position:fixed;bottom:0;left:0;right:0}.nav-title{display:none}.nav-item{min-height:56px;color:var(--fg);flex:1;justify-content:center;align-items:center;text-decoration:none;display:flex}.nav-item.active{color:var(--accent);font-weight:700}.nav-plus{font-weight:700}@media (width>=900px){.shell{display:flex}.nav{border-top:0;border-right:1px solid var(--line);flex-direction:column;width:200px;height:100vh;position:sticky;top:0}.nav-title{padding:1rem;font-weight:700;display:block}.nav-item{flex:0;justify-content:flex-start;min-height:44px;padding:0 1rem}.main{flex:1;padding:1.5rem 2rem}}