:root{--bg:#f4f6f9;--ink:#1e293b;--brand:#722f58;--brand2:#5a2446;--line:#e2e8f0;--muted:#64748b;--white:#fff}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--brand);text-decoration:none}.topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 26px;position:sticky;top:0;z-index:5}
.brand,.logo-big{font-size:25px;font-weight:800;color:#222}.brand span,.logo-big span{color:var(--brand)}.topbar small{display:block;color:var(--muted);margin-top:3px}.user{font-size:13px}.user a{margin-left:15px}
.shell{display:flex;min-height:calc(100vh - 68px)}.sidebar{width:245px;background:#222836;padding:20px 12px}.sidebar a{display:block;color:#e5e7eb;padding:12px 14px;border-radius:8px;margin-bottom:4px;font-size:14px}.sidebar a:hover{background:#343b4b;color:#fff}.content{flex:1;padding:28px;max-width:1500px}
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.page-head h1{margin:0 0 5px}.page-head p{margin:0;color:var(--muted)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:22px}.stat,.card{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 2px 7px rgba(15,23,42,.04)}.stat{padding:22px}.stat b{font-size:30px;display:block;color:var(--brand)}.stat span{color:var(--muted);font-size:13px}.card{padding:22px}.card h2{margin-top:0}
.perf{display:grid;grid-template-columns:minmax(280px,1fr) 40% 65px;align-items:center;gap:15px;padding:13px 0;border-bottom:1px solid var(--line)}.bar{height:10px;background:#eee;border-radius:10px;overflow:hidden}.bar i{display:block;height:100%;background:var(--brand)}
.btn,button{display:inline-block;border:0;background:var(--brand);color:#fff;padding:11px 17px;border-radius:8px;font-weight:700;cursor:pointer}.btn.secondary{background:#64748b}
label{display:block;font-size:13px;font-weight:700;margin:13px 0 6px}input,select,textarea{width:100%;padding:11px 12px;border:1px solid #cbd5e1;border-radius:8px;background:#fff;font:inherit}input:focus,select:focus,textarea:focus{outline:2px solid rgba(114,47,88,.15);border-color:var(--brand)}
.form-card{max-width:800px}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:30px;background:linear-gradient(135deg,#f8fafc,#eceff4)}.auth-card{width:420px;background:#fff;border-radius:16px;padding:32px;box-shadow:0 15px 50px rgba(15,23,42,.12)}.auth-card.wide{width:720px}.auth-card h1{margin-bottom:6px}.auth-card>p{color:var(--muted)}.auth-card button{width:100%;margin-top:20px}.center{text-align:center}.grid-form{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.grid-form .full{grid-column:1/-1}
.alert{padding:13px 16px;border-radius:8px;margin-bottom:18px}.alert.success{background:#dcfce7;color:#166534}.alert.error{background:#fee2e2;color:#991b1b}
.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:13px;border-bottom:1px solid var(--line);font-size:14px}th{color:var(--muted);font-size:12px;text-transform:uppercase}.badge{background:#f1f5f9;padding:5px 8px;border-radius:20px;font-size:11px}
@media(max-width:900px){.sidebar{display:none}.stats{grid-template-columns:1fr 1fr}.content{padding:18px}.perf{grid-template-columns:1fr}.auth-card.wide{width:100%}}@media(max-width:550px){.stats,.grid-form{grid-template-columns:1fr}.grid-form .full{grid-column:auto}.auth-card{width:100%}}