:root{--sidebar-bg:#1a2942;--sidebar-hover:#243554;--sidebar-active:#2563eb;--sidebar-width:240px;--topbar-height:60px;--primary:#2563eb;--primary-dark:#1d4ed8;--success:#16a34a;--warning:#d97706;--danger:#dc2626;--info:#0891b2;--page-bg:#f1f5f9;--card-bg:#ffffff;--border:#e2e8f0;--text-primary:#0f172a;--text-secondary:#64748b;--text-muted:#94a3b8}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;font-family:'Inter','Segoe UI',sans-serif;background:var(--page-bg);color:var(--text-primary);min-height:100vh}
.sidebar{position:fixed;top:0;left:0;width:var(--sidebar-width);height:100vh;background:var(--sidebar-bg);display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden;z-index:1000}
.sidebar-brand{display:flex;align-items:center;gap:10px;padding:18px 20px 16px;border-bottom:1px solid rgba(255,255,255,.08);text-decoration:none!important}
.sidebar-brand-icon{width:36px;height:36px;background:var(--primary);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;color:#fff;flex-shrink:0}
.sidebar-brand-text{color:#fff;font-size:15px;font-weight:600;line-height:1.2}
.sidebar-brand-sub{color:rgba(255,255,255,.45);font-size:10px;letter-spacing:.04em}
.sidebar-section{padding:14px 12px 4px;font-size:10px;font-weight:600;letter-spacing:.08em;color:rgba(255,255,255,.3);text-transform:uppercase}
.sidebar nav{flex:1;padding:6px 10px}
.sidebar nav a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:rgba(255,255,255,.7);text-decoration:none;font-size:13.5px;font-weight:500;margin-bottom:2px;transition:background .15s,color .15s}
.sidebar nav a i{font-size:15px;width:18px;flex-shrink:0}
.sidebar nav a:hover{background:var(--sidebar-hover);color:#fff}
.sidebar nav a.active{background:var(--sidebar-active);color:#fff}
.sidebar-divider{border:none;border-top:1px solid rgba(255,255,255,.08);margin:8px 10px}
.sidebar-footer{padding:10px 10px 16px}
.sidebar-footer a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:#f87171;text-decoration:none;font-size:13.5px;font-weight:500;transition:background .15s}
.sidebar-footer a:hover{background:rgba(248,113,113,.12)}
.topbar{position:fixed;top:0;left:var(--sidebar-width);right:0;height:var(--topbar-height);background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;z-index:999}
.topbar-title{font-size:16px;font-weight:600;color:var(--text-primary)}
.topbar-right{display:flex;align-items:center;gap:16px}
.topbar-user{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-secondary)}
.topbar-avatar{width:32px;height:32px;background:var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:600}
.main-content{margin-left:var(--sidebar-width);padding-top:var(--topbar-height);min-height:100vh}
.page-content{padding:24px}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:12px}
.page-header h2{margin:0;font-size:20px;font-weight:600;color:var(--text-primary)}
.stat-card{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:20px 22px;display:flex;align-items:center;gap:16px}
.stat-icon{width:48px;height:48px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.stat-icon.blue{background:#eff6ff;color:var(--primary)}
.stat-icon.green{background:#f0fdf4;color:var(--success)}
.stat-icon.amber{background:#fffbeb;color:var(--warning)}
.stat-icon.red{background:#fef2f2;color:var(--danger)}
.stat-icon.cyan{background:#ecfeff;color:var(--info)}
.stat-label{font-size:12px;color:var(--text-secondary);font-weight:500;margin-bottom:4px}
.stat-value{font-size:24px;font-weight:700;color:var(--text-primary);line-height:1}
.card{background:var(--card-bg);border:1px solid var(--border)!important;border-radius:12px!important;box-shadow:0 1px 3px rgba(0,0,0,.06)!important}
.card-header{background:#fff!important;border-bottom:1px solid var(--border)!important;border-radius:12px 12px 0 0!important;padding:14px 20px!important;font-weight:600;font-size:14px;color:var(--text-primary)}
.card-body{padding:20px!important}
.table{font-size:13.5px}
.table thead th{background:#f8fafc!important;color:var(--text-secondary)!important;font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--border)!important;padding:10px 14px!important;white-space:nowrap}
.table tbody td{padding:10px 14px!important;border-bottom:1px solid #f1f5f9!important;vertical-align:middle}
.table tbody tr:last-child td{border-bottom:none!important}
.table tbody tr:hover td{background:#f8fafc}
.table-responsive{border-radius:12px;border:1px solid var(--border)}
.badge{font-size:11px!important;font-weight:500!important;padding:4px 9px!important;border-radius:6px!important}
.status-issued{background:#eff6ff;color:#1d4ed8}
.status-cleared{background:#f0fdf4;color:#15803d}
.status-bounced{background:#fef2f2;color:#b91c1c}
.status-postdated{background:#fffbeb;color:#b45309}
.btn{border-radius:8px!important;font-size:13px!important;font-weight:500!important;padding:7px 16px!important}
.btn-primary{background:var(--primary)!important;border-color:var(--primary)!important}
.btn-primary:hover{background:var(--primary-dark)!important;border-color:var(--primary-dark)!important}
.btn-sm{padding:4px 10px!important;font-size:12px!important}
.form-control,.form-select{border:1px solid var(--border)!important;border-radius:8px!important;font-size:13.5px!important;padding:8px 12px!important;color:var(--text-primary)!important}
.form-control:focus,.form-select:focus{border-color:var(--primary)!important;box-shadow:0 0 0 3px rgba(37,99,235,.1)!important;outline:none!important}
.form-label{font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:5px}
.alert{border-radius:10px!important;border:none!important;font-size:13.5px!important}
.alert-danger{background:#fef2f2!important;color:#b91c1c!important}
.alert-success{background:#f0fdf4!important;color:#15803d!important}
.alert-warning{background:#fffbeb!important;color:#92400e!important}
.alert-info{background:#ecfeff!important;color:#155e75!important}
.sidebar::-webkit-scrollbar{width:4px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.15);border-radius:4px}
@media(max-width:768px){:root{--sidebar-width:0px}.topbar{left:0}.sidebar{width:240px;transform:translateX(-240px);transition:transform .25s ease}.sidebar.open{transform:translateX(0)}}