:root{--red: #E8211A;--red-dark: #C41910;--red-light: #ff4a42;--black: #1A1A1A;--black-soft: #2a2a2a;--white: #ffffff;--gray: #6b7280;--gray-light: #f3f4f6;--gray-border: #e5e7eb;--green: #16a34a;--green-light: #dcfce7;--yellow: #ca8a04;--yellow-light: #fef9c3;--blue: #1d4ed8;--font: "Barlow", sans-serif;--font-cond: "Barlow Condensed", sans-serif;--shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);--shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);--shadow-lg: 0 10px 15px rgba(0,0,0,.1), 0 4px 6px rgba(0,0,0,.05);--radius: 8px;--radius-lg: 12px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:#f1f2f4;color:var(--black);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:var(--font)}input,select,textarea{font-family:var(--font)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#aaa}.app-layout{display:flex;min-height:100vh}.main-content{flex:1;display:flex;flex-direction:column;min-width:0}.page-content{flex:1;padding:24px;overflow-y:auto}.sidebar{width:240px;min-height:100vh;background:var(--black);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto;flex-shrink:0}.sidebar-logo{padding:20px 16px;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:10px}.sidebar-logo img{height:40px;width:40px;object-fit:contain;border-radius:6px;background:#fff;padding:2px}.sidebar-logo-text{color:#fff}.sidebar-logo-text .brand{font-family:var(--font-cond);font-size:18px;font-weight:700;letter-spacing:.5px}.sidebar-logo-text .sub{font-size:10px;color:#ffffff80;letter-spacing:1px;text-transform:uppercase}.sidebar-nav{flex:1;padding:12px 8px}.nav-section-label{color:#ffffff4d;font-size:10px;letter-spacing:1.5px;text-transform:uppercase;padding:12px 8px 4px}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:6px;color:#ffffffa6;font-size:14px;font-weight:500;margin-bottom:2px;transition:all .15s;cursor:pointer;border:none;background:none;width:100%;text-align:left}.nav-item:hover{background:#ffffff14;color:#fff}.nav-item.active{background:var(--red);color:#fff}.nav-item .icon{font-size:16px;width:20px;text-align:center}.nav-item .count{margin-left:auto;background:#ffffff26;padding:1px 7px;border-radius:10px;font-size:11px}.nav-item.active .count{background:#ffffff40}.sidebar-footer{padding:12px 8px;border-top:1px solid rgba(255,255,255,.08)}.sidebar-admin{display:flex;align-items:center;gap:10px;padding:8px 12px}.admin-avatar{width:32px;height:32px;border-radius:50%;background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0}.admin-info .name{color:#fff;font-size:13px;font-weight:600}.admin-info .role{color:#fff6;font-size:11px}.logout-btn{display:flex;align-items:center;gap:8px;padding:8px 12px;color:#ffffff80;font-size:13px;border:none;background:none;cursor:pointer;width:100%;border-radius:6px;transition:all .15s}.logout-btn:hover{background:#e8211a26;color:var(--red)}.topbar{background:#fff;padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--gray-border);position:sticky;top:0;z-index:10}.topbar-title{font-family:var(--font-cond);font-size:20px;font-weight:700;color:var(--black)}.topbar-right{display:flex;align-items:center;gap:12px}.card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow)}.card-header{padding:16px 20px;border-bottom:1px solid var(--gray-border);display:flex;align-items:center;justify-content:space-between}.card-title{font-family:var(--font-cond);font-size:16px;font-weight:700;color:var(--black);letter-spacing:.3px}.card-body{padding:20px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:#fff;border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow);border-top:3px solid transparent}.stat-card.red{border-top-color:var(--red)}.stat-card.black{border-top-color:var(--black)}.stat-card.green{border-top-color:var(--green)}.stat-card.yellow{border-top-color:var(--yellow)}.stat-icon{font-size:24px;margin-bottom:10px}.stat-value{font-family:var(--font-cond);font-size:28px;font-weight:800;color:var(--black);line-height:1}.stat-label{font-size:12px;color:var(--gray);margin-top:4px;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 18px;border-radius:6px;font-size:14px;font-weight:600;border:none;transition:all .15s;cursor:pointer;white-space:nowrap}.btn-primary{background:var(--red);color:#fff}.btn-primary:hover{background:var(--red-dark)}.btn-secondary{background:var(--black);color:#fff}.btn-secondary:hover{background:var(--black-soft)}.btn-outline{background:transparent;color:var(--black);border:1.5px solid var(--gray-border)}.btn-outline:hover{border-color:var(--black);background:var(--gray-light)}.btn-success{background:var(--green);color:#fff}.btn-success:hover{background:#15803d}.btn-sm{padding:6px 12px;font-size:13px}.btn-lg{padding:12px 24px;font-size:15px}.btn:disabled{opacity:.6;cursor:not-allowed}.form-group{margin-bottom:18px}.form-label{display:block;font-size:13px;font-weight:600;color:var(--black);margin-bottom:6px}.form-label .required{color:var(--red);margin-left:2px}.form-input,.form-select,.form-textarea{width:100%;padding:10px 12px;border:1.5px solid var(--gray-border);border-radius:6px;font-size:14px;color:var(--black);background:#fff;transition:border-color .15s;-webkit-appearance:none;-moz-appearance:none;appearance:none}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px #e8211a14}.form-textarea{resize:vertical;min-height:80px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.form-grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0 20px}.full-width{grid-column:1 / -1}.form-section{margin-bottom:28px}.form-section-title{font-family:var(--font-cond);font-size:14px;font-weight:700;color:#fff;background:var(--black);padding:8px 14px;border-radius:6px;margin-bottom:16px;letter-spacing:.5px;text-transform:uppercase}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}thead th{background:var(--gray-light);padding:11px 14px;text-align:left;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--gray);border-bottom:2px solid var(--gray-border);white-space:nowrap}tbody td{padding:12px 14px;border-bottom:1px solid var(--gray-border);vertical-align:middle}tbody tr:hover{background:#fafafa}tbody tr:last-child td{border-bottom:none}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.3px;white-space:nowrap}.badge-paid{background:var(--green-light);color:var(--green)}.badge-unpaid{background:#fee2e2;color:var(--red)}.badge-partial{background:var(--yellow-light);color:var(--yellow)}.badge-captured{background:var(--green-light);color:var(--green)}.badge-missing{background:var(--gray-light);color:var(--gray)}.filter-bar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:20px}.search-wrap{position:relative;flex:1;min-width:220px}.search-wrap .search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--gray);font-size:15px}.search-input{width:100%;padding:10px 12px 10px 38px;border:1.5px solid var(--gray-border);border-radius:6px;font-size:14px}.search-input:focus{outline:none;border-color:var(--red)}.tabs{display:flex;gap:4px;border-bottom:2px solid var(--gray-border);margin-bottom:24px;overflow-x:auto}.tab{padding:10px 18px;font-size:13px;font-weight:600;color:var(--gray);border:none;background:none;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;white-space:nowrap;transition:all .15s}.tab:hover{color:var(--black)}.tab.active{color:var(--red);border-bottom-color:var(--red)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px}.modal{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:560px;max-height:90vh;overflow-y:auto}.modal-lg{max-width:800px}.modal-header{padding:18px 20px;border-bottom:1px solid var(--gray-border);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:#fff;z-index:1}.modal-title{font-family:var(--font-cond);font-size:18px;font-weight:700}.modal-close{background:none;border:none;font-size:20px;cursor:pointer;color:var(--gray);padding:4px 8px;border-radius:4px}.modal-close:hover{background:var(--gray-light)}.modal-body{padding:20px}.modal-footer{padding:16px 20px;border-top:1px solid var(--gray-border);display:flex;justify-content:flex-end;gap:10px}.alert{padding:12px 16px;border-radius:6px;font-size:14px;display:flex;align-items:flex-start;gap:10px;margin-bottom:16px}.alert-info{background:#eff6ff;border:1px solid #bfdbfe;color:#1e40af}.alert-warning{background:var(--yellow-light);border:1px solid #fde68a;color:#92400e}.alert-error{background:#fee2e2;border:1px solid #fecaca;color:#991b1b}.alert-success{background:var(--green-light);border:1px solid #bbf7d0;color:#14532d}.profile-photo-wrap{position:relative;display:inline-block}.profile-photo{width:100px;height:120px;object-fit:cover;border-radius:8px;border:3px solid var(--gray-border);display:block}.profile-photo-placeholder{width:100px;height:120px;border-radius:8px;border:3px solid var(--gray-border);background:var(--gray-light);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:6px;color:var(--gray);font-size:12px}.biometric-card{border:2px solid var(--gray-border);border-radius:10px;padding:20px;text-align:center}.biometric-card.captured{border-color:var(--green);background:var(--green-light)}.biometric-icon{font-size:40px;margin-bottom:8px}.biometric-status{font-weight:700;font-size:15px}.camera-wrap{position:relative;border-radius:10px;overflow:hidden;background:#000}.camera-video{width:100%;display:block}.camera-overlay{position:absolute;top:0;right:0;bottom:0;left:0;border:3px solid var(--red);border-radius:10px;pointer-events:none}.loading{display:flex;align-items:center;justify-content:center;padding:60px;color:var(--gray);flex-direction:column;gap:12px}.spinner{width:36px;height:36px;border:3px solid var(--gray-border);border-top-color:var(--red);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty{text-align:center;padding:60px 20px;color:var(--gray)}.empty-icon{font-size:48px;margin-bottom:12px}.empty h3{font-size:18px;font-weight:700;color:var(--black);margin-bottom:6px}.empty p{font-size:14px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--black);position:relative;overflow:hidden}.login-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,#1a1a1a,#2d0a09,#1a1a1a)}.login-bg:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 60% 40%,rgba(232,33,26,.12) 0%,transparent 50%)}.login-card{background:#fff;border-radius:16px;padding:40px;width:100%;max-width:420px;position:relative;z-index:1;box-shadow:0 25px 50px #0006}.login-logo{text-align:center;margin-bottom:28px}.login-logo img{height:60px;object-fit:contain}.login-logo h1{font-family:var(--font-cond);font-size:22px;font-weight:800;color:var(--black);margin-top:10px}.login-logo p{font-size:12px;color:var(--gray);letter-spacing:1px;text-transform:uppercase}.login-divider{height:3px;background:linear-gradient(90deg,var(--red),var(--black));border-radius:2px;margin-bottom:28px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.page-header h1{font-family:var(--font-cond);font-size:26px;font-weight:800;color:var(--black)}.page-header p{font-size:13px;color:var(--gray);margin-top:2px}.student-avatar{width:38px;height:38px;border-radius:6px;object-fit:cover;background:var(--gray-light);flex-shrink:0}.student-name-cell{display:flex;align-items:center;gap:10px}.student-id-text{font-family:var(--font-cond);font-size:12px;color:var(--red);font-weight:700;letter-spacing:.3px}.payment-item{border:1.5px solid var(--gray-border);border-radius:8px;padding:16px;margin-bottom:12px}.payment-item.paid{border-color:var(--green);background:#f0fdf4}.payment-amount{font-family:var(--font-cond);font-size:22px;font-weight:800}.text-red{color:var(--red)}.text-gray{color:var(--gray)}.text-green{color:var(--green)}.text-sm{font-size:13px}.text-xs{font-size:11px}.font-bold{font-weight:700}.font-cond{font-family:var(--font-cond)}.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}.flex{display:flex}.items-center{align-items:center}.gap-2{gap:8px}.gap-3{gap:12px}.justify-between{justify-content:space-between}.w-full{width:100%}