:root{--primary-color:#4f46e5;--primary-hover:#4338ca;--bg-color:#0f172a;--panel-bg:#1e293bb3;--panel-border:#ffffff1a;--text-main:#f8fafc;--text-muted:#94a3b8;--danger-color:#ef4444;--success-color:#10b981;--warning-color:#f59e0b;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif}body{background-color:var(--bg-color);color:var(--text-main);background-image:radial-gradient(at 0 0,#4f46e526 0,#0000 50%),radial-gradient(at 100% 100%,#10b9811a 0,#0000 50%);background-attachment:fixed;min-height:100vh;margin:0;padding:0}h1,h2,h3,h4,h5,p{margin:0;font-weight:500}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit;transition:all .2s}.glass-panel{background:var(--panel-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--panel-border);border-radius:16px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.login-container{justify-content:center;align-items:center;min-height:100vh;padding:1rem;display:flex}.login-card{width:100%;max-width:400px;padding:2.5rem}.login-header{text-align:center;margin-bottom:2rem}.login-header h2{background:linear-gradient(90deg,#4f46e5,#10b981);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.8rem;font-weight:700}.login-header p{color:var(--text-muted);margin-top:.5rem}.form-group{margin-bottom:1.5rem}.form-group label{color:var(--text-muted);margin-bottom:.5rem;font-size:.9rem;display:block}.form-group input,.form-group select{border:1px solid var(--panel-border);color:#fff;box-sizing:border-box;background:#0003;border-radius:8px;outline:none;width:100%;padding:.75rem 1rem;transition:border-color .2s}.form-group input:focus,.form-group select:focus{border-color:var(--primary-color)}.btn-primary{background:var(--primary-color);color:#fff;border-radius:8px;width:100%;margin-top:1rem;padding:.75rem;font-size:1rem;font-weight:600}.btn-primary:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 12px #4f46e54d}.btn-primary:disabled{opacity:.7;cursor:not-allowed}.alert-error{border:1px solid var(--danger-color);color:#fca5a5;text-align:center;background:#ef44441a;border-radius:8px;margin-bottom:1.5rem;padding:.75rem;font-size:.9rem}.layout-container{height:100vh;display:flex;overflow:hidden}.sidebar{flex-direction:column;width:260px;height:calc(100vh - 2rem);margin:1rem 0 1rem 1rem;display:flex;overflow:hidden}.sidebar-brand{border-bottom:1px solid var(--panel-border);align-items:center;gap:1rem;padding:2rem;display:flex}.brand-icon{background:linear-gradient(135deg,#4f46e5,#10b981);border-radius:10px;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.2rem;font-weight:700;display:flex}.sidebar-brand h2{font-size:1.2rem;font-weight:600}.sidebar-nav{flex-direction:column;flex:1;gap:.5rem;padding:1.5rem 1rem;display:flex}.nav-item{color:var(--text-muted);border-radius:10px;align-items:center;gap:1rem;padding:.8rem 1rem;transition:all .2s;display:flex}.nav-item:hover{color:var(--text-main);background:#ffffff0d}.nav-item.active{color:var(--primary-color);border-right:3px solid var(--primary-color);background:#4f46e526}.sidebar-footer{border-top:1px solid var(--panel-border);flex-direction:column;gap:1rem;padding:1.5rem;display:flex}.user-info{color:var(--text-muted);text-overflow:ellipsis;white-space:nowrap;font-size:.85rem;overflow:hidden}.btn-logout{color:var(--text-muted);align-items:center;gap:.5rem;padding:0;display:flex}.btn-logout:hover{color:var(--danger-color)}.main-content{flex-direction:column;flex:1;padding:1rem;display:flex;overflow:hidden}.topbar{border-radius:16px;align-items:center;margin-bottom:1rem;padding:1rem 2rem;display:flex}.page-title{font-size:1.5rem;font-weight:600}.content-area{flex:1;padding:0 1rem 1rem;overflow-y:auto}.content-area::-webkit-scrollbar{width:8px}.content-area::-webkit-scrollbar-thumb{background:var(--panel-border);border-radius:4px}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;margin-bottom:2rem;display:grid}.stat-card{flex-direction:column;gap:.5rem;padding:1.5rem;display:flex;position:relative;overflow:hidden}.stat-card:after{content:"";background:#ffffff08;border-radius:50%;width:100px;height:100px;position:absolute;top:0;right:0;transform:translate(30%,-30%)}.stat-title{color:var(--text-muted);font-size:.9rem;font-weight:500}.stat-value{color:var(--text-main);font-size:2rem;font-weight:700}.stat-icon{color:var(--primary-color);opacity:.5;position:absolute;top:1.5rem;right:1.5rem}.chart-container{height:400px;margin-bottom:2rem;padding:1.5rem}.chart-header{margin-bottom:1.5rem}.table-container{padding:1.5rem;overflow-x:auto}.table-header-row{justify-content:space-between;align-items:center;margin-bottom:1.5rem;display:flex}.table-actions{gap:1rem;display:flex}.btn-export{border:1px solid var(--panel-border);color:var(--text-main);background:#ffffff0d;border-radius:6px;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:.9rem;display:flex}.btn-export:hover{background:#ffffff1a}table{border-collapse:separate;border-spacing:0;text-align:left;width:100%}th{color:var(--text-muted);border-bottom:1px solid var(--panel-border);text-transform:uppercase;letter-spacing:.5px;padding:1rem;font-size:.85rem;font-weight:500}td{border-bottom:1px solid #ffffff0d;padding:1rem;font-size:.95rem}tr:last-child td{border-bottom:none}tr:hover td{background:#ffffff05}.badge{border-radius:999px;padding:.25rem .75rem;font-size:.8rem;font-weight:500}.badge-pending{color:var(--warning-color);background:#f59e0b1a;border:1px solid #f59e0b33}.badge-paid{color:var(--success-color);background:#10b9811a;border:1px solid #10b98133}.action-btns{gap:.5rem;display:flex}.icon-btn{color:var(--text-muted);background:#ffffff0d;border-radius:6px;padding:.4rem}.icon-btn:hover{color:var(--text-main);background:#ffffff1a}.icon-btn.delete:hover{color:var(--danger-color);background:#ef44441a}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#000000b3;justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;inset:0}.modal-content{background:var(--bg-color);border:1px solid var(--panel-border);border-radius:16px;width:100%;max-width:500px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 25px -5px #00000080}.modal-header{border-bottom:1px solid var(--panel-border);justify-content:space-between;align-items:center;padding:1.5rem;display:flex}.modal-header h3{margin:0;font-size:1.25rem;font-weight:600}.btn-close{color:var(--text-muted);cursor:pointer;background:#ffffff0d;border:none;border-radius:8px;justify-content:center;align-items:center;width:32px;height:32px;transition:all .2s;display:flex}.btn-close:hover{color:var(--text-main);background:#ffffff1a}.modal-body{flex-direction:column;gap:1rem;padding:1.5rem;display:flex}.modal-section{margin-bottom:.5rem}.modal-section h4{color:var(--primary-color);text-transform:uppercase;letter-spacing:1px;border-bottom:1px solid var(--panel-border);margin-bottom:1rem;padding-bottom:.5rem;font-size:.8rem}.modal-grid{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.detail-row{flex-direction:column;gap:.25rem;display:flex}.detail-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:.85rem}.detail-value{color:var(--text-main);font-size:1rem;font-weight:500}.detail-value.muted{color:var(--text-muted);font-style:italic;font-weight:400}