:root{--bg:#fff;--fg:#1a1a1a;--mut:#667;--side:#f4f4f6;--acc:#0b57d0;--line:#e3e3e8;--card:#fff;--bad:#c5221f;--ok:#188038}
@media(prefers-color-scheme:dark){:root{--bg:#16161a;--fg:#eee;--mut:#99a;--side:#202026;--acc:#8ab4f8;--line:#333;--card:#1d1d22;--bad:#f28b82;--ok:#81c995}}
*{box-sizing:border-box}body{margin:0;font:15px/1.45 system-ui,sans-serif;background:var(--bg);color:var(--fg)}
.app{display:flex;height:100vh}.side{width:220px;background:var(--side);padding:14px;display:flex;flex-direction:column;gap:4px;overflow:auto;flex:none}
.side b{font-size:17px;margin-bottom:10px}.side a{padding:8px 10px;border-radius:8px;color:inherit;text-decoration:none;cursor:pointer}
.side a.on{background:var(--acc);color:#fff}.side .who{margin-top:auto;font-size:13px;color:var(--mut)}.side button{margin-top:6px}
.main{flex:1;overflow:auto;padding:20px 24px;min-width:0}h2{margin:0 0 14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px;margin-bottom:14px}
table{border-collapse:collapse;width:100%}th,td{text-align:left;padding:7px 9px;border-bottom:1px solid var(--line);font-size:14px}th{color:var(--mut);font-weight:600}
input,select,button,textarea{font:inherit;padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg)}
button{cursor:pointer}button.pri{background:var(--acc);color:#fff;border-color:var(--acc)}.err{color:var(--bad)}.muted{color:var(--mut)}
.toast{position:fixed;right:16px;bottom:16px;background:var(--fg);color:var(--bg);padding:10px 14px;border-radius:8px;max-width:80vw}
.login{max-width:320px;margin:15vh auto;display:flex;flex-direction:column;gap:10px}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
@media(max-width:700px){.app{flex-direction:column;height:auto}.side{width:auto;flex-direction:row;flex-wrap:wrap}.side .who{margin:0}}