:root{--color-primary:#25d366;--color-primary-dark:#128c7e;--color-primary-50:#e8f5e9;--color-secondary:#075e54;--color-bg:#f0f4f0;--color-surface:#fff;--color-border:#d4e8d4;--color-text:#1a2e1a;--color-muted:#6b8c6b;--color-success:#16a34a;--color-warning:#d97706;--color-error:#dc2626;--color-info:#0284c7;--sidebar-width:240px;--topbar-height:56px;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-full:9999px;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 12px #00000014;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;font-size:14px}body{background:var(--color-bg);color:var(--color-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,sans-serif;line-height:1.5}a{color:var(--color-primary-dark);text-decoration:none}a:hover{text-decoration:underline}.main-layout{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-width);background:var(--color-secondary);z-index:200;flex-direction:column;height:100vh;transition:transform .25s;display:flex;position:fixed;top:0;left:0}.sidebar-brand{padding:var(--space-lg)var(--space-md)var(--space-md);border-bottom:1px solid #ffffff1a}.brand-logo{align-items:center;gap:var(--space-sm);display:flex}.brand-logo h2{color:#fff;font-size:.95rem;font-weight:700;line-height:1.2}.brand-logo .text-xs{color:#fff9;font-size:.75rem}.sidebar-nav{padding:var(--space-md)var(--space-sm);gap:var(--space-xs);flex-direction:column;flex:1;display:flex;overflow-y:auto}.nav-item{align-items:center;gap:var(--space-sm);padding:var(--space-sm)var(--space-md);border-radius:var(--radius-md);color:#ffffffbf;cursor:pointer;font-size:.9rem;font-weight:500;text-decoration:none;transition:background .15s,color .15s;display:flex}.nav-item:hover{color:#fff;background:#ffffff1a;text-decoration:none}.nav-item--active{color:#fff!important;background:#25d36640!important}.nav-icon{text-align:center;width:20px;font-size:1rem}.sidebar-footer{padding:var(--space-md);align-items:center;gap:var(--space-sm);border-top:1px solid #ffffff1a;display:flex}.user-info{align-items:center;gap:var(--space-sm);flex:1;min-width:0;display:flex}.user-avatar{background:var(--color-primary);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:.875rem;font-weight:700;display:flex}.user-meta{flex-direction:column;min-width:0;display:flex}.user-meta .font-medium{color:#fff;white-space:nowrap;text-overflow:ellipsis;font-size:.857rem;overflow:hidden}.sidebar-overlay{z-index:199;background:#0006;display:none;position:fixed;top:0;bottom:0;left:0;right:0}.main-content{margin-left:var(--sidebar-width);flex-direction:column;flex:1;min-height:100vh;display:flex}.topbar{z-index:100;height:var(--topbar-height);background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:0 var(--space-lg);align-items:center;display:flex;position:sticky;top:0}.topbar-left{align-items:center;gap:var(--space-sm);display:flex}.sidebar-toggle{display:none}.page-content{padding:var(--space-xl);flex:1}@media (max-width:768px){.sidebar{transform:translate(-100%)}.sidebar--open{transform:translate(0)}.sidebar-overlay{display:block}.sidebar-toggle{display:flex!important}.main-content{margin-left:0}.page-content{padding:var(--space-md)}}.page-header{margin-bottom:var(--space-lg);justify-content:space-between;align-items:flex-start;gap:var(--space-md);flex-wrap:wrap;display:flex}.page-title{color:var(--color-text);font-size:1.5rem;font-weight:700}.page-subtitle{color:var(--color-muted);margin-top:2px;font-size:.875rem}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);margin-bottom:var(--space-lg);overflow:hidden}.card-header{padding:var(--space-md)var(--space-lg);border-bottom:1px solid var(--color-border)}.card-title{font-size:1rem;font-weight:600}.stat-grid{gap:var(--space-md);grid-template-columns:repeat(auto-fill,minmax(160px,1fr));display:grid}.stat-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-md)var(--space-lg);box-shadow:var(--shadow-sm)}.stat-label{text-transform:uppercase;letter-spacing:.05em;color:var(--color-muted);font-size:.786rem;font-weight:600}.stat-value{color:var(--color-text);margin-top:4px;font-size:2rem;font-weight:700;line-height:1.1}.stat-rate{color:var(--color-muted);margin-top:2px;font-size:.75rem}.btn{align-items:center;gap:var(--space-xs);border-radius:var(--radius-md);cursor:pointer;white-space:nowrap;border:none;padding:8px 16px;font-size:.875rem;font-weight:600;text-decoration:none;transition:background .15s,opacity .15s,box-shadow .15s;display:inline-flex}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-dark);text-decoration:none}.btn-secondary{color:var(--color-text);border:1px solid var(--color-border);background:0 0}.btn-secondary:hover:not(:disabled){background:var(--color-bg);text-decoration:none}.btn-sm{padding:6px 12px;font-size:.8rem}.btn-xs{padding:3px 8px;font-size:.75rem}.btn-icon{border-radius:var(--radius-md);cursor:pointer;color:#ffffffb3;background:0 0;border:none;justify-content:center;align-items:center;width:32px;height:32px;font-size:1rem;transition:background .15s;display:inline-flex}.btn-icon:hover{color:#fff;background:#ffffff1a}.input{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);width:100%;color:var(--color-text);outline:none;padding:8px 12px;font-size:.875rem;transition:border-color .15s,box-shadow .15s}.input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #25d36626}.input-group{flex-direction:column;gap:4px;display:flex}.input-group label{color:var(--color-muted);font-size:.8rem;font-weight:600}.badge{border-radius:var(--radius-full);white-space:nowrap;align-items:center;padding:2px 8px;font-size:.75rem;font-weight:600;display:inline-flex}.badge-success{color:#16a34a;background:#dcfce7}.badge-danger{color:#dc2626;background:#fee2e2}.badge-warning{color:#d97706;background:#fef3c7}.badge-info{color:#1d4ed8;background:#dbeafe}.badge-neutral{color:#6b7280;background:#f3f4f6}.table-wrapper{overflow-x:auto}table{border-collapse:collapse;width:100%}thead{background:var(--color-bg)}th{text-align:left;text-transform:uppercase;letter-spacing:.04em;color:var(--color-muted);white-space:nowrap;padding:10px 16px;font-size:.75rem;font-weight:700}td{border-top:1px solid var(--color-border);padding:12px 16px;font-size:.875rem}tr:hover td{background:var(--color-primary-50)}.login-page{background:linear-gradient(135deg,var(--color-secondary)0%,var(--color-primary-dark)50%,var(--color-primary)100%);min-height:100vh;padding:var(--space-lg);justify-content:center;align-items:center;display:flex}.login-card{background:var(--color-surface);border-radius:var(--radius-lg);padding:var(--space-xl);box-shadow:var(--shadow-md);width:100%;max-width:400px}.login-logo{text-align:center;margin-bottom:var(--space-lg)}.login-logo h1{color:var(--color-text);font-size:1.5rem;font-weight:700}.login-logo p{color:var(--color-muted);margin-top:4px;font-size:.875rem}.login-error{border-radius:var(--radius-md);padding:var(--space-sm)var(--space-md);color:var(--color-error);background:#fee2e2;border:1px solid #fecaca;font-size:.875rem}.modal-overlay{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:500;padding:var(--space-lg);background:#0006;justify-content:center;align-items:center;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}.modal{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);width:100%;max-width:520px;max-height:90vh;overflow-y:auto}.modal-header{padding:var(--space-md)var(--space-lg);border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;display:flex}.modal-header .btn-icon{color:var(--color-muted)}.modal-header .btn-icon:hover{background:var(--color-bg);color:var(--color-text)}.modal-title{font-size:1rem;font-weight:700}.modal-body{padding:var(--space-lg)}.filters-bar{gap:var(--space-sm);margin-bottom:var(--space-md);flex-wrap:wrap;align-items:center;display:flex}.empty-state{text-align:center;padding:var(--space-xl)var(--space-lg);color:var(--color-muted)}.empty-state-icon{margin-bottom:var(--space-md);font-size:2.5rem}.loading-spinner{border:3px solid var(--color-border);border-top-color:var(--color-primary);width:40px;height:40px;margin:var(--space-xl)auto;border-radius:50%;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.flex-wrap{flex-wrap:wrap}.font-medium{font-weight:500}.font-bold{font-weight:700}.text-sm{font-size:.857rem}.text-xs{font-size:.75rem}.text-muted{color:var(--color-muted)}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}