:root{--bg:#fafaf9;--surface:#fff;--border:#e7e5e4;--text:#292524;--text-muted:#78716c;--primary:#2563eb;--primary-hover:#1d4ed8;--danger:#dc2626;--success:#16a34a;--radius:12px;--shadow:0 1px 3px #0000000f, 0 1px 2px #0000000a;--shadow-lg:0 10px 15px -3px #00000014, 0 4px 6px -2px #0000000a}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6}.app-container{min-height:100vh;display:flex}.sidebar{background:var(--surface);border-right:1px solid var(--border);width:240px;height:100vh;padding:24px 16px;position:fixed;overflow-y:auto}.sidebar-logo{color:var(--text);align-items:center;gap:8px;margin-bottom:24px;padding:0 8px;font-size:18px;font-weight:600;display:flex}.sidebar-nav{flex-direction:column;gap:2px;display:flex}.sidebar-link{color:var(--text-muted);border-radius:8px;align-items:center;gap:10px;padding:8px 12px;font-size:14px;text-decoration:none;transition:all .15s;display:flex}.sidebar-link:hover{background:var(--bg);color:var(--text)}.sidebar-link.active{background:var(--primary);color:#fff}.main-content{flex:1;max-width:1400px;margin-left:240px;padding:40px}.page-header{margin-bottom:32px}.page-title{color:var(--text);margin-bottom:6px;font-size:32px;font-weight:700}.page-description{color:var(--text-muted);font-size:15px}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-bottom:32px;display:grid}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;transition:all .2s}.stat-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-1px)}.stat-label{color:var(--text-muted);align-items:center;gap:6px;margin-bottom:8px;font-size:13px;font-weight:500;display:flex}.stat-value{color:var(--text);letter-spacing:-.02em;font-size:36px;font-weight:700}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.card-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.card-title{color:var(--text);font-size:18px;font-weight:600}.btn{cursor:pointer;border:none;border-radius:8px;align-items:center;gap:6px;padding:10px 16px;font-size:14px;font-weight:500;transition:all .15s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 6px -1px #2563eb33}.btn-ghost{color:var(--text-muted);background:0 0}.btn-ghost:hover{background:var(--bg);color:var(--text)}.btn-danger{background:var(--danger);color:#fff}.table{border-collapse:collapse;width:100%}.table th{text-align:left;border-bottom:1px solid var(--border);color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;padding:12px 16px;font-size:13px;font-weight:600}.table td{border-bottom:1px solid var(--border);color:var(--text);padding:14px 16px}.table tr:hover{background:var(--bg)}.input,select.input,textarea.input{background:var(--surface);border:1px solid var(--border);width:100%;color:var(--text);border-radius:8px;padding:10px 12px;font-size:14px;transition:all .15s}.input:focus,select.input:focus,textarea.input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #2563eb1a}.form-group{margin-bottom:20px}.form-label{color:var(--text);margin-bottom:8px;font-size:14px;font-weight:600;display:block}.badge{border-radius:16px;padding:4px 12px;font-size:12px;font-weight:500;display:inline-block}.badge-success{color:var(--success);background:#16a34a1a}.badge-danger{color:var(--danger);background:#dc26261a}.modal-overlay{z-index:50;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:90%;max-width:600px;max-height:90vh;padding:28px;overflow-y:auto;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.modal-title{color:var(--text);margin-bottom:24px;font-size:22px;font-weight:600}.loading{color:var(--text-muted);justify-content:center;align-items:center;padding:60px;font-size:14px;display:flex}