:root{--primary: #2563eb;--primary-hover: #1d4ed8;--bg-color: #0f172a;--surface-color: #1e293b;--text-main: #f8fafc;--text-muted: #94a3b8;--border-color: #334155;--danger: #ef4444;--success: #22c55e;--warning: #f59e0b}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,system-ui,-apple-system,sans-serif}body{background-color:var(--bg-color);color:var(--text-main);min-height:100vh}.app-container{display:flex;min-height:100vh}.sidebar{width:260px;background-color:var(--surface-color);border-right:1px solid var(--border-color);display:flex;flex-direction:column}.sidebar-header{padding:1.5rem;border-bottom:1px solid var(--border-color)}.sidebar-header h2{font-size:1.25rem;font-weight:600;color:var(--primary);display:flex;align-items:center;gap:.5rem}.sidebar-nav{padding:1rem;flex:1;display:flex;flex-direction:column;gap:.5rem}.nav-item{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;border-radius:.5rem;color:var(--text-muted);text-decoration:none;font-weight:500;transition:all .2s}.nav-item:hover{background-color:#ffffff0d;color:var(--text-main)}.nav-item.active{background-color:#2563eb26;color:var(--primary)}.sidebar-footer{padding:1rem;border-top:1px solid var(--border-color)}.logout-btn{width:100%;padding:.75rem;background:transparent;border:1px solid var(--border-color);color:var(--danger);border-radius:.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.5rem;font-weight:500;transition:all .2s}.logout-btn:hover{background-color:#ef44441a}.main-content{flex:1;display:flex;flex-direction:column;overflow-y:auto}.topbar{height:72px;border-bottom:1px solid var(--border-color);padding:0 2rem;display:flex;align-items:center;justify-content:space-between;background-color:#1e293b80;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:sticky;top:0;z-index:10}.page-title{font-size:1.5rem;font-weight:600}.content-wrapper{padding:2rem;max-width:1200px;margin:0 auto;width:100%}.card{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:.75rem;padding:1.5rem;margin-bottom:1.5rem}.card-title{font-size:1.125rem;font-weight:600;margin-bottom:1rem;display:flex;align-items:center;justify-content:space-between}.input-group{margin-bottom:1rem}.input-label{display:block;font-size:.875rem;font-weight:500;color:var(--text-muted);margin-bottom:.5rem}.input-field{width:100%;padding:.75rem 1rem;background-color:#0003;border:1px solid var(--border-color);border-radius:.5rem;color:var(--text-main);outline:none;transition:border-color .2s}.input-field:focus{border-color:var(--primary)}.btn{padding:.75rem 1.5rem;border-radius:.5rem;font-weight:500;cursor:pointer;display:inline-flex;align-items:center;gap:.5rem;transition:all .2s;border:none}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-danger{background-color:#ef44441a;color:var(--danger);border:1px solid rgba(239,68,68,.2)}.btn-danger:hover{background-color:#ef444433}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:1rem;text-align:left;border-bottom:1px solid var(--border-color)}.data-table th{color:var(--text-muted);font-weight:500;font-size:.875rem}.data-table tbody tr:hover{background-color:#ffffff05}.badge{padding:.25rem .5rem;border-radius:9999px;font-size:.75rem;font-weight:500}.badge-success{background:#22c55e1a;color:var(--success)}.badge-warning{background:#f59e0b1a;color:var(--warning)}.badge-danger{background:#ef44441a;color:var(--danger)}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at top,#1e293b,#0f172a)}.login-card{width:100%;max-width:400px;background:#1e293bb3;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:2.5rem;border-radius:1rem;border:1px solid var(--border-color);box-shadow:0 25px 50px -12px #00000080}.login-header{text-align:center;margin-bottom:2rem}.login-header h1{font-size:1.5rem;margin-bottom:.5rem;color:var(--text-main)}.login-header p{color:var(--text-muted)}