@import url("https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=DM+Sans:wght@400;500;700;800&display=swap");
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--primary:#1B3A5C;--accent:#E8A838;--success:#2E7D52;--danger:#C0392B;--bg:#F4F6F9;--card:#fff;--border:#E0E6EF;--text:#1A2332;--sub:#6B7A90;--mono:DM Mono,monospace;--sans:DM Sans,sans-serif}
body{font-family:var(--sans);background:var(--bg);color:var(--text);min-height:100vh}
.layout{display:flex;min-height:100vh}
.sidebar{width:230px;background:var(--primary);padding:24px 0;display:flex;flex-direction:column;flex-shrink:0}
.sidebar-logo{padding:0 20px 24px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:16px}
.sidebar-logo span{font-size:18px;font-weight:800;color:#fff;display:flex;align-items:center;gap:10px}
.sidebar-logo small{display:block;font-size:11px;color:rgba(255,255,255,.5);margin-top:3px}
.nav-item{display:flex;align-items:center;gap:10px;padding:11px 20px;color:rgba(255,255,255,.7);text-decoration:none;font-size:14px;font-weight:500;transition:all .15s;border-left:3px solid transparent}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-item.active{color:#fff;background:rgba(255,255,255,.1);border-left-color:var(--accent)}
.nav-item .ni{font-size:16px;width:20px;text-align:center}
.nav-sep{height:1px;background:rgba(255,255,255,.1);margin:8px 20px}
.sidebar-footer{margin-top:auto;padding:16px 20px;border-top:1px solid rgba(255,255,255,.1)}
.logout-link{color:rgba(255,255,255,.6);text-decoration:none;font-size:13px;display:flex;align-items:center;gap:6px}
.logout-link:hover{color:#fff}
.main{flex:1;overflow-x:auto}
.topbar{background:var(--card);border-bottom:1px solid var(--border);padding:16px 28px;display:flex;align-items:center;justify-content:space-between}
.topbar h2{font-size:18px;font-weight:700}
.topbar .meta{font-size:12px;color:var(--sub)}
.content{padding:28px}
.card{background:var(--card);border-radius:12px;border:1px solid var(--border);overflow:hidden;margin-bottom:20px}
.card-header{padding:14px 20px;border-bottom:1px solid var(--border);font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:space-between;gap:8px}
.card-body{padding:20px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;text-align:center}
.stat-card .val{font-size:34px;font-weight:800;color:var(--primary);font-family:var(--mono);line-height:1}
.stat-card .lbl{font-size:12px;color:var(--sub);margin-top:6px;font-weight:500}
.stat-card .ico{font-size:22px;margin-bottom:8px}
.tbl-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;padding:10px 16px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--sub);border-bottom:1px solid var(--border);background:#FAFBFC}
td{padding:11px 16px;border-bottom:1px solid var(--border);vertical-align:middle}
tr:last-child td{border-bottom:none}
tr:hover td{background:#FAFBFD}
code{font-family:var(--mono);font-size:12px;background:#F0F4F8;padding:2px 7px;border-radius:4px;color:var(--primary)}
.badge{display:inline-block;padding:2px 9px;border-radius:100px;font-size:11px;font-weight:700}
.badge-ok{background:#E8F5EE;color:var(--success)}
.badge-err{background:#FDECEA;color:var(--danger)}
.badge-warn{background:#FEF6E4;color:#9B6B00}
.badge-info{background:#EAF2FF;color:#1B5BB5}
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:8px;font-size:13px;font-weight:600;border:none;cursor:pointer;text-decoration:none;transition:opacity .15s;font-family:var(--sans)}
.btn:hover{opacity:.85}
.btn-primary{background:var(--primary);color:#fff}
.btn-accent{background:var(--accent);color:#fff}
.btn-danger{background:var(--danger);color:#fff}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn-sm{padding:4px 10px;border-radius:6px;font-size:12px;font-weight:600;border:1px solid var(--border);cursor:pointer;background:var(--card);color:var(--text);transition:all .15s;font-family:var(--sans)}
.btn-sm:hover{background:var(--bg)}
.btn-sm.ok{color:var(--success);border-color:#b8dfc9}
.btn-sm.ok:hover{background:#e8f5ee}
.btn-sm.danger{color:var(--danger);border-color:#f5c6c3}
.btn-sm.danger:hover{background:#fdecea}
.form-group{margin-bottom:16px}
label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
input[type=text],input[type=password],input[type=number],select,textarea{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:var(--sans);outline:none;transition:border-color .15s;background:var(--card);color:var(--text)}
input:focus,select:focus{border-color:var(--primary)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-check{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:14px}
.form-check input{width:auto}
.alert{padding:12px 16px;border-radius:8px;margin-bottom:20px;font-size:13px;font-weight:500}
.alert-ok{background:#e8f5ee;color:var(--success);border:1px solid #b8dfc9}
.alert-err{background:#fdecea;color:var(--danger);border:1px solid #f5c6c3}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary) 0%,#2d5f8a 100%)}
.login-box{background:var(--card);border-radius:16px;padding:40px;width:380px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.login-logo{text-align:center;margin-bottom:28px}
.login-logo .icon{width:64px;height:64px;background:var(--primary);border-radius:16px;display:inline-flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:12px}
.login-logo h1{font-size:22px;color:var(--primary);font-weight:800}
.login-logo p{font-size:13px;color:var(--sub);margin-top:4px}
.code-list{background:#F0F4F8;border-radius:8px;padding:16px;font-family:var(--mono);font-size:14px;line-height:2}
.empty{text-align:center;padding:48px;color:var(--sub);font-size:14px}
.empty .ico{font-size:40px;margin-bottom:12px}