:root{--bg:#f5f7fa;--card:#fff;--text:#17202a;--muted:#64748b;--border:#dbe3ea;--accent:#0f766e}html[data-theme=dark]{--bg:#0b1220;--card:#111827;--text:#f1f5f9;--muted:#94a3b8;--border:#334155;--accent:#2dd4bf}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}header{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:18px;padding:12px max(16px,calc((100% - 1250px)/2));background:var(--card);border-bottom:1px solid var(--border);overflow:auto}.brand{font-weight:800;color:var(--accent);white-space:nowrap}.menu-toggle,.mobile-logout{display:none}nav{display:flex;gap:12px;flex:1}a{color:inherit;text-decoration:none}nav a{white-space:nowrap}.logout{font-size:.9rem}.iconbtn,.button,button{border:0;border-radius:10px;background:var(--accent);color:white;padding:10px 14px;font-weight:700;cursor:pointer}.secondary{background:var(--card);color:var(--text);border:1px solid var(--border)}main{max-width:1250px;margin:auto;padding:20px 16px 60px}h1{margin:8px 0 20px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px}.metric strong{font-size:1.65rem;display:block;margin-top:8px}.muted{color:var(--muted)}.filters{display:flex;gap:10px;align-items:end;flex-wrap:wrap;margin-bottom:18px}.filters label{display:grid;gap:5px}input,select{background:var(--card);color:var(--text);border:1px solid var(--border);border-radius:9px;padding:10px;min-width:140px}.tablewrap{overflow:auto;background:var(--card);border:1px solid var(--border);border-radius:14px}table{border-collapse:collapse;width:100%;min-width:850px}th,td{padding:11px;border-bottom:1px solid var(--border);text-align:left}th{position:sticky;top:0;background:var(--card)}.chart{height:350px;margin:22px 0}.alert{padding:12px;border:1px solid var(--border);border-radius:10px;margin:10px 0}.positive{color:#16a34a}.negative{color:#dc2626}.login{max-width:420px;margin:12vh auto}.login form{display:grid;gap:14px}.search{width:min(500px,100%)}@media(max-width:700px){
header{overflow:visible;gap:10px;flex-wrap:wrap;padding:12px 16px}
.brand{flex:1}
.menu-toggle{display:inline-flex;align-items:center;justify-content:center;font-size:1.25rem;padding:9px 12px;order:2}
#theme{order:3}
.desktop-logout{display:none}
header nav{display:none;order:4;flex:0 0 calc(100% + 32px);margin:2px -16px -12px;padding:8px 16px 14px;background:var(--card);border-top:1px solid var(--border);flex-direction:column;gap:0}
header nav.open{display:flex}
header nav a{display:block;padding:13px 4px;border-bottom:1px solid var(--border);font-weight:650}
header nav a:last-child{border-bottom:0}
.mobile-logout{display:block;color:var(--accent)}
.chart{height:280px}h1{font-size:1.6rem}
}