*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--navy:#1a2744;--blue:#2563eb;--blue-lt:#eff6ff;--blue-bd:#bfdbfe;--green:#16a34a;--green-lt:#f0fdf4;--green-bd:#86efac;--red:#dc2626;--red-lt:#fff1f2;--red-bd:#fecdd3;--amber:#d97706;--amber-lt:#fffbeb;--amber-bd:#fde68a;--slate:#64748b;--slate-lt:#94a3b8;--border:#e2e8f0;--border-dk:#cbd5e1;--bg:#f8fafc;--card:#fff;--text:#1e293b;--sidebar-w:240px;--topbar-h:56px;--radius:8px;--radius-lg:12px;--shadow:0 1px 3px rgba(0,0,0,.1);--shadow-lg:0 4px 6px rgba(0,0,0,.1)}
body{font-family:'Cambria',Georgia,'Times New Roman',serif;font-size:14px;color:var(--text);background:var(--bg);line-height:1.5}
a{color:inherit;text-decoration:none}
button{cursor:pointer;font-family:'Cambria',Georgia,serif;font-size:14px}
input,select,textarea{font-family:'Cambria',Georgia,serif;font-size:14px;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:none}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1a2744 0%,#2563eb 100%);padding:20px}
.login-card{background:#fff;border-radius:20px;padding:40px;width:100%;max-width:400px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.login-logo{text-align:center;margin-bottom:24px}
.login-school-name{font-size:18px;font-weight:800;color:var(--navy);margin-top:8px;text-align:center}
.login-powered{font-size:11px;color:var(--slate-lt);text-align:center;margin-top:2px}
.login-title{font-size:22px;font-weight:700;color:var(--navy);text-align:center}
.login-sub{font-size:13px;color:var(--slate);text-align:center;margin-bottom:28px;margin-top:4px}
.login-field{margin-bottom:16px}
.login-field label{display:block;font-size:12px;font-weight:600;color:var(--slate);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px}
.login-field input{width:100%;border:1.5px solid var(--border-dk);border-radius:var(--radius);padding:11px 14px;font-size:15px;transition:border-color .2s}
.login-field input:focus{border-color:var(--blue)}
.login-err{background:var(--red-lt);border:1px solid var(--red-bd);color:var(--red);padding:10px 14px;border-radius:var(--radius);font-size:13px;margin-bottom:14px;display:none}
.login-err.show{display:block}
.btn-login{width:100%;background:var(--blue);color:#fff;border:none;border-radius:var(--radius);padding:13px;font-size:15px;font-weight:700;margin-top:4px;transition:background .2s}
.btn-login:hover{background:#1d4ed8}
.btn-login:disabled{background:var(--slate-lt);cursor:not-allowed}
.app{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-w);background:var(--navy);display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;z-index:100;transition:transform .3s}
.sidebar-header{padding:14px 16px;border-bottom:1px solid rgba(255,255,255,.1);display:flex;align-items:center;gap:10px;min-height:64px}
.sidebar-logo-wrap{width:36px;height:36px;border-radius:8px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;overflow:hidden}
.sidebar-logo-wrap img{width:36px;height:36px;object-fit:contain;border-radius:8px}
.sidebar-school{color:#fff;font-size:12px;font-weight:700;line-height:1.3;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.sidebar-tagline{color:rgba(255,255,255,.4);font-size:10px;margin-top:1px}
.sidebar-nav{flex:1;overflow-y:auto;padding:6px 0}
.nav-section{color:rgba(255,255,255,.35);font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;padding:12px 16px 3px}
.nav-item{display:flex;align-items:center;gap:9px;padding:9px 16px;color:rgba(255,255,255,.65);border:none;background:none;width:100%;text-align:left;font-size:12.5px;font-weight:500;cursor:pointer;transition:all .15s;position:relative}
.nav-item:hover{background:rgba(255,255,255,.07);color:#fff}
.nav-item.active{background:rgba(37,99,235,.35);color:#fff}
.nav-item.active::after{content:'';position:absolute;right:0;top:0;bottom:0;width:3px;background:#60a5fa;border-radius:2px 0 0 2px}
.nav-icon{font-size:15px;width:18px;text-align:center;flex-shrink:0}
.sidebar-footer{padding:12px 16px;border-top:1px solid rgba(255,255,255,.08)}
.sidebar-user{display:flex;align-items:center;gap:9px;margin-bottom:8px}
.sidebar-avatar{width:30px;height:30px;background:var(--blue);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:11px;font-weight:700;flex-shrink:0}
.sidebar-uname{color:#fff;font-size:12px;font-weight:600}
.sidebar-role{color:rgba(255,255,255,.4);font-size:10px}
.main{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;min-height:100vh}
.topbar{height:var(--topbar-h);background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 20px;gap:12px;position:sticky;top:0;z-index:50}
.topbar-toggle{background:none;border:none;color:var(--slate);font-size:20px;padding:4px;display:none}
.topbar-title{font-size:16px;font-weight:700;color:var(--navy);flex:1}
.content{flex:1;padding:20px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px;box-shadow:var(--shadow)}
.page-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:10px}
.page-title{font-size:20px;font-weight:800;color:var(--navy)}
.page-sub{font-size:13px;color:var(--slate);margin-top:3px}
.page-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius);font-weight:600;font-size:13px;border:1.5px solid transparent;transition:all .15s;white-space:nowrap;line-height:1.4}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:var(--blue);color:#fff;border-color:var(--blue)}.btn-primary:hover:not(:disabled){background:#1d4ed8}
.btn-secondary{background:#fff;color:var(--navy);border-color:var(--border-dk)}.btn-secondary:hover:not(:disabled){background:#f1f5f9}
.btn-success{background:var(--green);color:#fff;border-color:var(--green)}.btn-success:hover:not(:disabled){background:#15803d}
.btn-danger{background:var(--red);color:#fff;border-color:var(--red)}.btn-danger:hover:not(:disabled){background:#b91c1c}
.btn-ghost{background:none;border-color:transparent;color:var(--slate)}.btn-ghost:hover:not(:disabled){background:#f1f5f9;color:var(--navy)}
.btn-sm{padding:5px 10px;font-size:12px}
.btn-lg{padding:12px 22px;font-size:15px}
.btn-full{width:100%;justify-content:center}
.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:700;white-space:nowrap}
.badge-green{background:var(--green-lt);color:var(--green)}.badge-red{background:var(--red-lt);color:var(--red)}.badge-blue{background:var(--blue-lt);color:var(--blue)}.badge-amber{background:var(--amber-lt);color:var(--amber)}.badge-slate{background:#f1f5f9;color:var(--slate)}
.form-grid{display:grid;gap:16px}.form-grid-2{grid-template-columns:1fr 1fr}.form-grid-3{grid-template-columns:1fr 1fr 1fr}.form-grid-4{grid-template-columns:1fr 1fr 1fr 1fr}.form-full{grid-column:1/-1}
.form-group{display:flex;flex-direction:column;gap:5px}
.form-group label{font-size:11px;font-weight:700;color:var(--slate);text-transform:uppercase;letter-spacing:.05em}
.form-group input,.form-group select,.form-group textarea{border:1.5px solid var(--border-dk);border-radius:var(--radius);padding:9px 12px;background:#fff;transition:border-color .15s;width:100%}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--blue)}
.form-group input[readonly],.form-group input:disabled{background:#f8fafc;color:var(--slate)}
.form-section-title{font-size:11px;font-weight:700;color:var(--navy);text-transform:uppercase;letter-spacing:.08em;padding:14px 0 8px;border-bottom:2px solid var(--border);margin-bottom:2px;grid-column:1/-1}
.req{color:var(--red)}
.step-tabs{display:flex;gap:4px;margin-bottom:20px;overflow-x:auto;padding-bottom:2px}
.step-tab{display:flex;align-items:center;gap:8px;padding:9px 14px;border:1.5px solid var(--border-dk);border-radius:var(--radius);background:#fff;font-size:12px;font-weight:600;color:var(--slate);white-space:nowrap;cursor:pointer;transition:all .15s}
.step-tab:hover{border-color:var(--blue);color:var(--blue)}.step-tab.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.step-num{width:18px;height:18px;border-radius:50%;background:rgba(255,255,255,.25);display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:800;flex-shrink:0}
.step-tab:not(.active) .step-num{background:var(--border);color:var(--slate)}
.table-wrap{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--border);background:#fff}
table{width:100%;border-collapse:collapse}
thead th{background:var(--navy);color:rgba(255,255,255,.85);padding:10px 12px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;text-align:left;white-space:nowrap}
tbody td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:middle;font-size:13px}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover td{background:#f8fafc}
.tbl-actions{display:flex;gap:4px;align-items:center}
.filters-bar{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:12px 16px;margin-bottom:16px;display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}
.f-group{display:flex;flex-direction:column;gap:4px}
.f-group label{font-size:10px;font-weight:700;color:var(--slate-lt);text-transform:uppercase;letter-spacing:.06em}
.f-group select,.f-group input{border:1.5px solid var(--border-dk);border-radius:var(--radius);padding:7px 10px;font-size:12px;background:#fff;min-width:100px}
.f-group select:focus,.f-group input:focus{border-color:var(--blue);outline:none}
.sum-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px}
.sum-box{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px;text-align:center}
.sum-val{font-size:22px;font-weight:800;line-height:1.2}
.sum-label{font-size:10px;color:var(--slate);font-weight:700;text-transform:uppercase;letter-spacing:.06em;margin-top:4px}
.alert{border-radius:var(--radius);padding:10px 14px;font-size:13px;margin-bottom:12px;display:flex;align-items:flex-start;gap:8px}
.alert-info{background:var(--blue-lt);border:1px solid var(--blue-bd);color:#1d4ed8}
.alert-success{background:var(--green-lt);border:1px solid var(--green-bd);color:var(--green)}
.alert-error{background:var(--red-lt);border:1px solid var(--red-bd);color:var(--red)}
.alert-warning{background:var(--amber-lt);border:1px solid var(--amber-bd);color:var(--amber)}
#toast-container{position:fixed;bottom:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.toast{background:#1e293b;color:#fff;padding:10px 16px;border-radius:var(--radius);font-size:13px;font-weight:500;box-shadow:var(--shadow-lg);animation:toastIn .25s ease;max-width:320px}
.toast.success{background:var(--green)}.toast.error{background:var(--red)}.toast.info{background:var(--blue)}
@keyframes toastIn{from{transform:translateX(20px);opacity:0}to{transform:translateX(0);opacity:1}}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:200;display:flex;align-items:center;justify-content:center;padding:16px;animation:fadeIn .2s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal{background:#fff;border-radius:var(--radius-lg);width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.modal-sm{max-width:420px}.modal-md{max-width:580px}.modal-lg{max-width:740px}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border);position:sticky;top:0;background:#fff;z-index:1}
.modal-head h3{font-size:15px;font-weight:700;color:var(--navy)}
.modal-close{background:none;border:none;font-size:22px;color:var(--slate);cursor:pointer;line-height:1;padding:0 2px}
.modal-body{padding:20px}
.modal-footer{padding:12px 20px;border-top:1px solid var(--border);display:flex;gap:8px;justify-content:flex-end;background:#f8fafc;border-radius:0 0 var(--radius-lg) var(--radius-lg)}
.empty{text-align:center;padding:48px 20px;color:var(--slate)}
.empty-icon{font-size:48px;margin-bottom:12px}
.empty h3{font-size:16px;font-weight:700;color:var(--navy);margin-bottom:6px}
.empty p{font-size:13px}
.pagination{display:flex;gap:4px;align-items:center;justify-content:center;padding:14px 0;flex-wrap:wrap}
.pg-btn{padding:6px 11px;border:1.5px solid var(--border-dk);border-radius:var(--radius);background:#fff;font-size:12px;font-weight:600;cursor:pointer;transition:all .15s}
.pg-btn:hover{background:#f1f5f9}.pg-btn.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.pg-info{font-size:12px;color:var(--slate);margin:0 8px}
.month-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:12px 0}
.mc{border:1.5px solid var(--border);border-radius:var(--radius);padding:10px 6px;text-align:center;cursor:pointer;transition:all .15s;background:#fff;user-select:none}
.mc:hover:not(.paid){border-color:var(--blue)}.mc.paid{background:var(--green-lt);border-color:var(--green-bd);cursor:default}
.mc.selected{background:var(--blue-lt);border-color:var(--blue);box-shadow:0 0 0 2px rgba(37,99,235,.2)}
.mc.advance{border-style:dashed;border-color:var(--amber-bd);background:var(--amber-lt)}
.mc.advance.selected{border-style:solid;border-color:var(--amber);box-shadow:0 0 0 2px rgba(217,119,6,.2)}
.mc-name{font-size:11px;font-weight:700}.mc-yr{font-size:9px;color:var(--slate-lt);margin-top:1px}.mc-icon{font-size:14px;margin-top:3px}
.mc.paid .mc-name,.mc.paid .mc-yr{color:var(--green)}
.fee-row{border:1.5px solid var(--border);border-radius:var(--radius-lg);padding:12px 14px;margin-bottom:8px;display:flex;align-items:center;gap:12px;background:#fff;transition:border-color .15s}
.fee-row.clickable{cursor:pointer}.fee-row.clickable:hover,.fee-row.sel{border-color:var(--blue);background:var(--blue-lt)}
.loading{display:flex;align-items:center;justify-content:center;padding:48px;color:var(--slate);gap:12px;font-size:14px}
.spinner{width:22px;height:22px;border:2.5px solid var(--border);border-top-color:var(--blue);border-radius:50%;animation:spin .7s linear infinite;flex-shrink:0}
@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:768px){.sidebar{transform:translateX(-100%)}.sidebar.open{transform:translateX(0)}.main{margin-left:0}.topbar-toggle{display:flex}.form-grid-2,.form-grid-3,.form-grid-4{grid-template-columns:1fr}.sum-grid{grid-template-columns:1fr 1fr}.month-grid{grid-template-columns:repeat(3,1fr)}.content{padding:12px}}