:root{--app-green:#198754;--app-dark:#14532d;--app-soft:#f2fbf6;--app-border:#e8edf2}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:#f4f6f9}.main-header{min-height:57px}.page-heading{font-weight:700;color:#344054!important}.brand-link{height:57px;display:flex;align-items:center;gap:8px}.brand-icon{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.13);display:inline-flex;align-items:center;justify-content:center;margin-left:4px}.sidebar-dark-success{background:linear-gradient(180deg,#123d2a 0%,#102f23 100%)}.sidebar-dark-success .nav-sidebar>.nav-item>.nav-link.active{background:#198754;color:#fff;box-shadow:0 6px 16px rgba(25,135,84,.25)}.sidebar-dark-success .nav-header{color:#8fb9a3;font-size:.72rem;letter-spacing:.08em}.text-muted-light{color:#92aa9c}.sidebar-avatar,.user-avatar{display:inline-flex;align-items:center;justify-content:center;background:#e7f6ed;color:#198754;border-radius:50%}.sidebar-avatar{width:34px;height:34px}.user-avatar{width:30px;height:30px}.user-avatar-lg{width:58px;height:58px;font-size:1.35rem}.content-wrapper{background:#f4f6f9}.card{border:0;border-radius:14px;box-shadow:0 5px 18px rgba(16,24,40,.055)}.card-header{background:#fff;border-bottom:1px solid #eef1f4;border-radius:14px 14px 0 0!important}.card-title{font-weight:700}.small-box{border-radius:14px;overflow:hidden;box-shadow:0 6px 18px rgba(16,24,40,.07)}.small-box .icon>i{font-size:62px;top:18px}.small-box>.inner{padding:18px}.small-box h3{font-size:2rem}.progress-card .progress{height:10px;border-radius:20px;background:#e9ecef}.progress-card .progress-bar{border-radius:20px}.table thead th{border-top:0;background:#f8fafc;color:#475467;font-size:.77rem;text-transform:uppercase;letter-spacing:.025em;white-space:nowrap}.table td{vertical-align:middle}.table-responsive{border-radius:10px}.table-success-soft{background:#edf9f1!important}.table-success-soft:hover{background:#e4f6ea!important}.badge-pill{padding:.45em .75em}.btn{border-radius:8px;font-weight:600}.btn-sm{border-radius:7px}.form-control,.custom-select,.custom-file-label{border-radius:8px;border-color:#d9e0e7}.form-control:focus,.custom-select:focus{border-color:#66c28d;box-shadow:0 0 0 .2rem rgba(25,135,84,.14)}.callout{border-radius:10px}.search-panel{background:linear-gradient(135deg,#fff 0%,#f6fbf8 100%)}.student-title{font-weight:800;color:#1f2937}.student-meta{display:flex;flex-wrap:wrap;gap:8px}.student-meta .badge{font-weight:500}.empty-state{padding:42px 20px;text-align:center;color:#667085}.empty-state i{font-size:2.2rem;color:#b8c3cf;margin-bottom:10px}.action-bar{display:flex;gap:8px;flex-wrap:wrap}.auth-page{background:linear-gradient(135deg,#0f5132 0%,#198754 48%,#d9f3e4 100%);min-height:100vh}.login-box{width:420px;max-width:94%}.login-logo a{color:#fff;font-weight:800;text-shadow:0 2px 8px rgba(0,0,0,.15)}.login-card-body{border-radius:18px;box-shadow:0 20px 45px rgba(0,0,0,.18);padding:30px}.login-box-msg{color:#667085}.auth-mark{width:68px;height:68px;border-radius:18px;display:flex;align-items:center;justify-content:center;background:#eaf8ef;color:#198754;font-size:1.75rem;margin:0 auto 18px}.swal2-popup{border-radius:18px!important}.swal2-confirm,.swal2-cancel{border-radius:8px!important}.content-header h1{font-size:1.55rem;font-weight:800}.info-strip{background:#edf7ff;border:1px solid #cce5ff;border-radius:10px;padding:12px 14px;color:#1f4f73}.status-complete{color:#157347}.status-incomplete{color:#b54708}.filter-actions{display:flex;gap:8px;align-items:flex-end}.filename-hint{font-size:.85rem;color:#667085}.main-footer{border-top:0;background:#fff}.class-count{font-size:.84rem;color:#667085}@media(max-width:767.98px){.content-header h1{font-size:1.3rem}.small-box h3{font-size:1.6rem}.login-card-body{padding:24px}.action-bar .btn{flex:1 1 auto}.table td,.table th{white-space:nowrap}}