*{box-sizing:border-box}
html{min-height:100%}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f4f7fb;color:#172033;line-height:1.45}
header{display:flex;align-items:center;gap:25px;padding:16px 28px;background:linear-gradient(90deg,#252778,#4946df);color:#fff;position:sticky;top:0;z-index:100;box-shadow:0 5px 18px rgba(23,32,51,.12)}
header>b{font-size:18px;white-space:nowrap}
header nav{display:flex;gap:15px;flex:1;align-items:center;flex-wrap:wrap}
header a{color:#fff;text-decoration:none;font-size:14px}
header a:hover{text-decoration:underline}
header span{white-space:nowrap;font-size:14px}
main{padding:28px;max-width:1400px;margin:auto}
h1{margin:0 0 20px;font-size:30px}
h2,h3{color:#172033}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px}
.card{background:#fff;border:1px solid #e2e7f0;border-radius:16px;padding:22px;margin:18px 0;box-shadow:0 10px 30px rgba(21,32,74,.08)}
.card strong{font-size:34px}
.login-bg{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#21226c,#4e4be5)}
.login-card{width:min(430px,92%);background:#fff;padding:34px;border-radius:20px}
.login-card input,.form-grid input,.form-grid select{width:100%;padding:12px;border:1px solid #ccd4e3;border-radius:9px;margin:8px 0 15px}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;align-items:end}
label{display:block;margin:12px 0 6px;font-weight:600}
input,select,textarea,button{font:inherit}
input,select,textarea{padding:10px 12px;border:1px solid #d6dbea;border-radius:8px;background:#fff;color:#172033}
textarea{width:100%;min-height:110px;resize:vertical}
button,.button{background:#403ed2;color:#fff;border:0;border-radius:9px;padding:11px 18px;cursor:pointer;text-decoration:none;display:inline-block}
button:hover,.button:hover{filter:brightness(.94)}
.button.secondary{background:#eef0f8;color:#18203b}
.alert{padding:14px 16px;border-radius:10px;margin:12px 0;background:#ffe8e8;color:#9b111e}
.alert.error{background:#fff0f0;color:#a40000}
.alert.success,.success{background:#ecfff3;color:#087334;padding:14px 16px;border-radius:10px;margin:12px 0}
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.filters input,.filters select{min-width:190px}
.muted,small{color:#68708a}
.table-wrap{overflow:auto;border-radius:12px;border:1px solid #e8ebf3}
table{width:100%;border-collapse:collapse;white-space:nowrap;background:#fff}
th,td{text-align:left;padding:11px 12px;border-bottom:1px solid #e8ebf3;vertical-align:top}
th{background:#f6f7fb;position:sticky;top:0;z-index:1}
tr:last-child td{border-bottom:0}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#eef0ff;color:#3d28a7;font-size:12px}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px;margin:20px 0}
.stats-grid>div{background:#f7f8fc;border:1px solid #edf0f6;border-radius:12px;padding:18px}
.stats-grid b{display:block;font-size:28px}
.stats-grid span{color:#68708a}
.pagination{display:flex;gap:6px;margin:15px 0;flex-wrap:wrap}
.pagination a{padding:8px 11px;background:#fff;border:1px solid #e3e7f0;border-radius:7px;text-decoration:none;color:#172033}
.pagination a.active{background:#4b24d1;color:#fff;border-color:#4b24d1}
pre{max-width:100%;white-space:pre-wrap;overflow-wrap:anywhere;background:#f7f8fc;padding:12px;border-radius:9px}
@media(max-width:1000px){header{align-items:flex-start;flex-direction:column;gap:10px}header nav{width:100%;gap:12px}header span{position:absolute;right:18px;top:18px}main{padding:20px}}
@media(max-width:600px){header{padding:15px 16px;position:relative}header span{position:static}header nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}header nav a{background:rgba(255,255,255,.1);padding:8px;border-radius:7px}main{padding:14px}h1{font-size:25px}.card{padding:16px;border-radius:13px}.filters{align-items:stretch}.filters input,.filters select,.filters button,.filters .button{width:100%;min-width:0}.table-wrap{margin-left:-4px;margin-right:-4px}}