:root{--blue:#0b4aa2;--blue2:#1677ff;--light:#f4f7fb;--text:#172033;--border:#dbe3ef;--green:#0f9d58;--red:#d93025}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;background:var(--light);color:var(--text)}
header{background:linear-gradient(135deg,#062b63,#0b5fc7);color:#fff;padding:16px 24px;display:flex;justify-content:space-between;align-items:center}
header h1{margin:0;font-size:22px}.layout{display:grid;grid-template-columns:245px 1fr;min-height:calc(100vh - 68px)}
aside{background:#fff;border-right:1px solid var(--border);padding:18px}aside a{display:block;text-decoration:none;color:var(--text);padding:12px 14px;border-radius:10px;margin-bottom:7px}
aside a:hover,aside a.active{background:#eaf3ff;color:var(--blue);font-weight:700}main{padding:24px}
.card{background:#fff;border:1px solid var(--border);border-radius:15px;padding:20px;margin-bottom:18px;box-shadow:0 4px 15px #1231}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
label{display:block;font-size:13px;font-weight:700;margin:0 0 6px}input,select{width:100%;padding:10px 11px;border:1px solid var(--border);border-radius:9px;background:#fff}
button,.btn{display:inline-block;border:0;border-radius:9px;padding:10px 14px;text-decoration:none;font-weight:700;cursor:pointer}.primary{background:var(--blue2);color:#fff}.secondary{background:#eaf3ff;color:var(--blue)}.danger{background:#feeceb;color:var(--red)}
table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:10px 8px;border-bottom:1px solid var(--border);text-align:left}th{background:#f7f9fc}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.flash{padding:12px;border-radius:10px;margin-bottom:15px}.success{background:#e9f8ef;color:#126b3b}.error{background:#feeceb;color:#a61b13}
.kpi{background:#fff;border:1px solid var(--border);border-radius:13px;padding:16px}.kpi b{display:block;font-size:25px;color:var(--blue)}.pos{color:var(--green);font-weight:700}.neg{color:var(--red);font-weight:700}.muted{color:#66758c;font-size:13px}
@media(max-width:900px){.layout{grid-template-columns:1fr}aside{display:flex;overflow:auto;border-right:0;border-bottom:1px solid var(--border)}aside a{min-width:170px}.grid,.grid4{grid-template-columns:1fr}main{padding:14px}}
@media print{header,aside,.no-print{display:none!important}.layout{display:block}main{padding:0}.card{box-shadow:none;border:0}}