@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap";:root{--bg-primary:#0a0a12;--bg-secondary:#121224;--bg-tertiary:#181830;--primary:#7c4dff;--primary-glow:#7c4dff4d;--secondary:#00e5ff;--secondary-glow:#00e5ff40;--accent:#ff4081;--accent-glow:#ff408140;--success:#00e676;--success-glow:#00e67633;--warning:#ffea00;--warning-glow:#ffea0033;--error:#ff1744;--error-glow:#ff174433;--info:#2979ff;--text-primary:#f5f5f7;--text-secondary:#a0aec0;--text-muted:#64748b;--border-light:#ffffff14;--border-glow:#7c4dff26;--glass-bg:#121224b3;--glass-border:#ffffff0f;--glass-blur:16px;--font-family:"Plus Jakarta Sans", system-ui, -apple-system, sans-serif;--transition-smooth:all .3s cubic-bezier(.4, 0, .2, 1);--radius-sm:8px;--radius-md:14px;--radius-lg:20px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--primary)}.glass-panel{background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--glass-blur));backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:var(--radius-lg);transition:var(--transition-smooth);box-shadow:0 8px 32px #0000005e}.glass-panel:hover{border-color:#ffffff1f;box-shadow:0 12px 40px #7c4dff1a}.app-container{background-image:radial-gradient(at 10% 10%,#7c4dff14 0,#0000 50%),radial-gradient(at 90% 90%,#00e5ff14 0,#0000 50%);background-attachment:fixed;min-height:100vh;display:flex}.sidebar{border-right:1px solid var(--border-light);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:10;background:#0a0a12d9;flex-direction:column;width:260px;height:100vh;padding:2rem 1.5rem;display:flex;position:fixed}.logo-container{align-items:center;gap:.75rem;margin-bottom:3rem;padding:0 .5rem;display:flex}.logo-icon{background:linear-gradient(135deg, var(--primary), var(--secondary));border-radius:var(--radius-sm);color:#fff;width:38px;height:38px;box-shadow:0 0 15px var(--primary-glow);justify-content:center;align-items:center;font-weight:700;display:flex}.logo-text{background:linear-gradient(135deg,#fff,#a0aec0);-webkit-text-fill-color:transparent;letter-spacing:-.5px;-webkit-background-clip:text;font-size:1.25rem;font-weight:800}.nav-menu{flex-direction:column;gap:.5rem;list-style:none;display:flex}.nav-item{width:100%}.nav-link{color:var(--text-secondary);border-radius:var(--radius-md);transition:var(--transition-smooth);cursor:pointer;align-items:center;gap:1rem;padding:.85rem 1rem;font-size:.95rem;font-weight:500;text-decoration:none;display:flex}.nav-link:hover,.nav-link.active{color:#fff;background:#ffffff0d}.nav-link.active{border-left:3px solid var(--primary);background:linear-gradient(90deg,#7c4dff26 0%,#00e5ff08 100%);padding-left:calc(1rem - 3px);box-shadow:0 4px 15px #7c4dff0d}.nav-icon{width:20px;height:20px;transition:var(--transition-smooth)}.nav-link.active .nav-icon{color:var(--primary);filter:drop-shadow(0 0 5px var(--primary-glow))}.main-content{flex:1;width:calc(100% - 260px);max-width:1400px;margin-left:260px;padding:2.5rem}.page-header{justify-content:space-between;align-items:center;margin-bottom:2rem;display:flex}.page-title{letter-spacing:-.5px;background:linear-gradient(135deg,#fff 30%,#cbd5e1 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:2rem;font-weight:800}.page-subtitle{color:var(--text-secondary);margin-top:.25rem;font-size:.95rem}.btn{border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-smooth);border:1px solid #0000;align-items:center;gap:.5rem;padding:.75rem 1.25rem;font-size:.9rem;font-weight:600;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--primary) 0%, #6200ea 100%);color:#fff;box-shadow:0 4px 15px var(--primary-glow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #7c4dff80}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border-color:var(--border-light)}.btn-secondary:hover{background:#ffffff0d;border-color:#ffffff26}.btn-outline{color:var(--text-primary);border-color:var(--border-light);background:0 0}.btn-outline:hover{border-color:var(--primary);background:#ffffff0a}.btn-danger{color:var(--error);background:#ff17441a;border-color:#ff174433}.btn-danger:hover{background:var(--error);color:#fff;box-shadow:0 4px 15px var(--error-glow)}.metrics-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;margin-bottom:2.5rem;display:grid}.metric-card{padding:1.5rem;position:relative;overflow:hidden}.metric-card:before{content:"";background:var(--card-color,var(--primary));width:4px;height:100%;position:absolute;top:0;left:0}.metric-header{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;justify-content:space-between;align-items:center;margin-bottom:1rem;font-size:.85rem;font-weight:600;display:flex}.metric-icon-wrapper{width:38px;height:38px;color:var(--card-color,var(--primary));background:#ffffff0a;border:1px solid #ffffff0d;border-radius:50%;justify-content:center;align-items:center;display:flex}.metric-value{letter-spacing:-.5px;margin-bottom:.5rem;font-size:1.85rem;font-weight:800}.metric-trend{align-items:center;gap:.25rem;font-size:.8rem;display:flex}.trend-up{color:var(--success)}.trend-down{color:var(--error)}.trend-neutral{color:var(--text-muted)}.dashboard-layout{grid-template-columns:2fr 1fr;gap:1.5rem;margin-bottom:2.5rem;display:grid}@media (width<=1024px){.dashboard-layout{grid-template-columns:1fr}}.chart-card{padding:1.75rem}.chart-header{justify-content:space-between;align-items:center;margin-bottom:1.5rem;display:flex}.chart-title{font-size:1.15rem;font-weight:700}.matrix-container{margin-bottom:1.5rem;padding-bottom:.5rem;overflow-x:auto}.matrix-table{border-collapse:collapse;text-align:left;width:100%}.matrix-table th{color:var(--text-secondary);border-bottom:1px solid var(--border-light);white-space:nowrap;padding:1rem;font-size:.85rem;font-weight:600}.matrix-table td{border-bottom:1px solid #ffffff0a;padding:.85rem 1rem;font-size:.9rem}.matrix-table tbody tr{transition:var(--transition-smooth)}.matrix-table tbody tr:hover{background:#ffffff05}.student-info-cell{flex-direction:column;display:flex}.student-name{color:#fff;font-weight:600}.student-sub{color:var(--text-muted);font-size:.75rem}.status-pill{cursor:pointer;width:32px;height:32px;transition:var(--transition-smooth);border-radius:50%;justify-content:center;align-items:center;font-size:.75rem;font-weight:700;display:inline-flex;position:relative}.status-paid{background:var(--success-glow);color:var(--success);border:1px solid #00e6764d}.status-paid:hover{box-shadow:0 0 10px var(--success-glow);transform:scale(1.1)}.status-unpaid{color:var(--text-muted);border:1px dashed var(--border-light);background:#ffffff05}.status-unpaid:hover{color:var(--text-secondary);background:#ffffff0f;transform:scale(1.1)}.status-partial{background:var(--warning-glow);color:var(--warning);border:1px solid #ffea004d}.status-partial:hover{box-shadow:0 0 10px var(--warning-glow);transform:scale(1.1)}.tx-table-card{padding:1.5rem}.tx-type-badge{text-transform:uppercase;border-radius:20px;padding:.25rem .6rem;font-size:.75rem;font-weight:700;display:inline-flex}.tx-type-income{color:var(--success);background:#00e6761a}.tx-type-expense{color:var(--error);background:#ff17441a}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:100;background:#05050ad9;justify-content:center;align-items:center;animation:.25s ease-out fadeIn;display:flex;position:fixed;inset:0}.modal-content{border-radius:var(--radius-lg);width:90%;max-width:480px;padding:2rem;animation:.3s cubic-bezier(.16,1,.3,1) slideUp;position:relative}.modal-header{justify-content:space-between;align-items:center;margin-bottom:1.5rem;display:flex}.modal-title{font-size:1.25rem;font-weight:700}.modal-close{color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth);background:0 0;border:none;font-size:1.5rem}.modal-close:hover{color:#fff}.form-group{flex-direction:column;gap:.5rem;margin-bottom:1.25rem;display:flex}.form-label{color:var(--text-secondary);font-size:.85rem;font-weight:600}.form-control{border:1px solid var(--border-light);border-radius:var(--radius-md);color:#fff;transition:var(--transition-smooth);background:#ffffff08;padding:.75rem 1rem;font-family:inherit;font-size:.95rem}.form-control:focus{border-color:var(--primary);box-shadow:0 0 12px var(--primary-glow);background:#7c4dff0a;outline:none}select.form-control{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23a0aec0'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");background-position:right 1rem center;background-repeat:no-repeat;background-size:1.2rem;padding-right:2.5rem}select.form-control option,select option{color:#f5f5f7;background-color:#121224}input[type=date].form-control{cursor:pointer}.modal-actions{justify-content:flex-end;gap:.75rem;margin-top:2rem;display:flex}.toast-container{z-index:1000;flex-direction:column;gap:.5rem;display:flex;position:fixed;bottom:2rem;right:2rem}.toast{border-radius:var(--radius-md);border-left:4px solid;align-items:center;gap:.75rem;padding:1rem 1.5rem;font-size:.9rem;font-weight:600;animation:.3s ease-out slideIn;display:flex;box-shadow:0 4px 20px #00000080}.toast-success{color:#00e676;background:#112c1f;border-left-color:#00e676}.toast-error{color:#ff1744;background:#2d131a;border-left-color:#ff1744}.report-columns{grid-template-columns:1fr 1fr;gap:1.5rem;margin-top:1.5rem;display:grid}@media (width<=768px){.report-columns{grid-template-columns:1fr}}.report-filter-bar{flex-wrap:wrap;align-items:center;gap:1rem;margin-bottom:1.5rem;display:flex}.empty-state{color:var(--text-secondary);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:1rem;padding:3rem;display:flex}.empty-state-icon{width:48px;height:48px;color:var(--text-muted)}.chart-svg{width:100%;height:220px;overflow:visible}.chart-bar{fill:url(#barGrad);transition:var(--transition-smooth);cursor:pointer}.chart-bar:hover{fill:url(#barGradHover);filter:drop-shadow(0 0 8px var(--primary-glow))}.chart-line{fill:none;stroke:var(--secondary);stroke-width:3px;stroke-linecap:round}.chart-area{fill:url(#areaGrad);opacity:.15}.chart-grid-line{stroke:#ffffff08;stroke-width:1px}.chart-axis-line{stroke:#ffffff14;stroke-width:1px}.chart-text{font-family:var(--font-family);fill:var(--text-muted);font-size:.75rem;font-weight:500}.chart-tooltip{background:var(--bg-tertiary);border:1px solid var(--border-light);border-radius:var(--radius-sm);pointer-events:none;z-index:100;padding:.5rem .75rem;font-size:.8rem;position:absolute}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(100px)}to{opacity:1;transform:translate(0)}}.config-header-btn{padding:.5rem 1rem;font-size:.85rem}.payment-preview-box{color:var(--secondary);cursor:pointer;transition:var(--transition-smooth);background:#00e5ff0a;border:1px dashed #00e5ff33;border-radius:8px;margin-top:.5rem;padding:.6rem .85rem;font-size:.825rem;line-height:1.4}.payment-preview-box:hover{border-color:var(--secondary);background:#00e5ff14;box-shadow:0 0 8px #00e5ff26}.sidebar-close-btn,.mobile-header{display:none}@media (width<=768px){.sidebar{z-index:1000;width:280px;height:100vh;transition:transform .3s cubic-bezier(.4,0,.2,1);position:fixed;top:0;left:0;transform:translate(-100%);box-shadow:0 0 24px #00000080}.sidebar.open{transform:translate(0)}.sidebar-close-btn{color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth);background:0 0;border:none;margin-left:auto;padding:.25rem;font-size:1.75rem;line-height:1;display:block!important}.sidebar-close-btn:hover{color:#fff}.sidebar-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:999;background:#0009;width:100vw;height:100vh;animation:.2s fadeIn;position:fixed;top:0;left:0}.main-content{width:100%;margin-left:0;padding:5rem 1.25rem 1.25rem}.mobile-header{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-light);z-index:998;background:#0a0a12d9;justify-content:space-between;align-items:center;width:100%;height:60px;padding:0 1.25rem;position:fixed;top:0;left:0;display:flex!important}.mobile-menu-toggle{color:#fff;cursor:pointer;transition:var(--transition-smooth);background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;padding:.5rem;display:flex}.mobile-menu-toggle:hover{background:#ffffff0d}.mobile-logo{align-items:center;gap:.5rem;display:flex}.page-header{flex-direction:column;align-items:flex-start;gap:1rem;margin-bottom:1.5rem}.page-header .btn,.page-header div{width:100%}.modal-content{max-width:500px;margin:1rem auto;width:95%!important;padding:1.5rem!important}.report-filter-bar{flex-direction:column;align-items:flex-start;gap:.75rem;padding:1rem!important}.report-filter-bar div,.report-filter-bar span{width:100%}.report-filter-bar div{justify-content:space-between}}