*,:before,:after{box-sizing:border-box}body{-webkit-font-smoothing:antialiased;margin:0}#root{min-height:100vh}*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--navy:#0b1f4a;--navy-mid:#1a3a7a;--navy-dim:#152f6e;--navy-light:#e8eef9;--gold:#c9a84c;--gold-dim:#b8963e;--gold-light:#fdf6e3;--bg:#f2f4f8;--card:#fff;--border:#e5e7eb;--border-lt:#f3f4f6;--text:#111827;--muted:#6b7280;--light:#9ca3af;--green:#059669;--green-bg:#ecfdf5;--red:#dc2626;--red-bg:#fef2f2;--amber:#d97706;--amber-bg:#fffbeb;--blue:#2563eb;--blue-bg:#eff6ff;--purple:#7c3aed;--purple-bg:#f5f3ff;--sidebar-w:220px;--radius:10px;--radius-lg:14px;--shadow-xs:0 1px 2px #0000000f;--shadow-sm:0 1px 4px #00000014, 0 0 0 1px #0000000a;--shadow:0 4px 16px #00000014;--shadow-lg:0 8px 32px #0000001f;color:var(--text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,sans-serif;font-size:14px;line-height:1.5}body{background:var(--bg)}.splash{background:var(--navy);justify-content:center;align-items:center;min-height:100vh;display:flex}.splash-spinner{border:3px solid #c9a84c40;border-top-color:var(--gold);border-radius:50%;width:36px;height:36px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.layout{min-height:100vh;display:flex}.main{margin-left:var(--sidebar-w);flex:1;min-width:0;padding:28px 32px}.sidebar{width:var(--sidebar-w);background:var(--navy);z-index:200;flex-direction:column;display:flex;position:fixed;inset:0 auto 0 0}.sidebar-logo{border-bottom:1px solid #ffffff12;align-items:center;gap:10px;padding:22px 18px 18px;display:flex}.logo-box{background:var(--gold);width:32px;height:32px;color:var(--navy);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;font-size:16px;font-weight:900;display:flex}.logo-name{color:#fff;font-size:15px;font-weight:700;line-height:1.1}.logo-tag{color:#ffffff61;letter-spacing:1.2px;text-transform:uppercase;font-size:9px}.sidebar-nav{flex-direction:column;flex:1;gap:1px;padding:10px;display:flex}.nav-link{color:#ffffff80;cursor:pointer;text-align:left;background:0 0;border:none;border-radius:8px;align-items:center;gap:9px;width:100%;padding:9px 11px;font-size:13.5px;font-weight:500;text-decoration:none;transition:color .15s,background .15s;display:flex}.nav-link:hover{color:#ffffffd9;background:#ffffff0f}.nav-link.active{color:var(--gold);background:#c9a84c21}.nav-link svg{opacity:.8;flex-shrink:0}.nav-link.active svg{opacity:1}.sidebar-foot{border-top:1px solid #ffffff12;padding:12px 14px}.sidebar-user{align-items:center;gap:9px;margin-bottom:9px;display:flex}.u-avatar{background:var(--navy-mid);width:28px;height:28px;color:var(--gold);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:11px;font-weight:700;display:flex}.u-email{color:#fff6;text-overflow:ellipsis;white-space:nowrap;font-size:11px;overflow:hidden}.btn-signout{color:#ffffff61;cursor:pointer;text-align:left;background:#ffffff0d;border:none;border-radius:7px;width:100%;padding:7px 10px;font-size:12px;transition:background .15s,color .15s}.btn-signout:hover{color:#fca5a5;background:#dc262626}.page-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:24px;display:flex}.page-title{color:var(--navy);font-size:20px;font-weight:700;line-height:1.2}.page-sub{color:var(--muted);margin-top:3px;font-size:12.5px}.page-actions{flex-shrink:0;align-items:center;gap:8px;display:flex}.card{background:var(--card);border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow-xs)}.card-p{padding:20px 24px}.card-head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.card-body{padding:0}.stat-row{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:20px;display:grid}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px}.stat-icon{border-radius:9px;justify-content:center;align-items:center;width:36px;height:36px;margin-bottom:10px;font-size:16px;display:flex}.stat-num{color:var(--navy);font-size:28px;font-weight:700;line-height:1}.stat-label{color:var(--muted);margin-top:3px;font-size:11.5px;font-weight:500}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%}thead th{text-align:left;color:var(--muted);letter-spacing:.5px;text-transform:uppercase;border-bottom:1px solid var(--border);background:#f9fafb;padding:10px 16px;font-size:11px;font-weight:600}tbody td{border-bottom:1px solid var(--border-lt);vertical-align:middle;padding:12px 16px}tbody tr:last-child td{border-bottom:none}tbody tr:hover td{background:#fafbfc}.row-clickable{cursor:pointer}.row-clickable:hover td{background:var(--navy-light)!important}.cell-primary{color:var(--navy);font-size:13.5px;font-weight:600}.cell-sub{color:var(--muted);margin-top:2px;font-size:11.5px}.cell-mono{font-family:SF Mono,Fira Code,monospace;font-size:12px}.pill{white-space:nowrap;border-radius:20px;align-items:center;padding:3px 9px;font-size:11px;font-weight:600;display:inline-flex}.pill-green{background:var(--green-bg);color:var(--green)}.pill-red{background:var(--red-bg);color:var(--red)}.pill-amber{background:var(--amber-bg);color:var(--amber)}.pill-blue{background:var(--blue-bg);color:var(--blue)}.pill-gray{color:#6b7280;background:#f3f4f6}.pill-purple{background:var(--purple-bg);color:var(--purple)}.pill-navy{background:var(--navy-light);color:var(--navy-mid)}.pill-gold{background:var(--gold-light);color:var(--gold-dim)}.btn{cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:8px 16px;font-size:13.5px;font-weight:600;transition:opacity .15s,transform .1s,box-shadow .15s;display:inline-flex}.btn:hover{opacity:.88}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.btn-primary{background:var(--navy);color:#fff;box-shadow:0 1px 3px #0b1f4a40}.btn-gold{background:var(--gold);color:var(--navy)}.btn-ghost{background:var(--card);color:var(--muted);border:1px solid var(--border)}.btn-danger{background:var(--red-bg);color:var(--red);border:1px solid #fecaca}.btn-sm{border-radius:7px;padding:5px 12px;font-size:12px}.btn-icon{border-radius:7px;padding:7px}.btn-full{width:100%}.toolbar{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px;display:flex}.search-wrap{flex:1;min-width:180px;position:relative}.search-icon{color:var(--light);pointer-events:none;position:absolute;top:50%;left:10px;transform:translateY(-50%)}.search-input{border:1px solid var(--border);background:var(--card);border-radius:8px;outline:none;width:100%;padding:8px 12px 8px 34px;font-size:13px;transition:border-color .15s,box-shadow .15s}.search-input:focus{border-color:var(--navy);box-shadow:0 0 0 3px #0b1f4a14}.filter-select{border:1px solid var(--border);background:var(--card);color:var(--text);cursor:pointer;border-radius:8px;outline:none;padding:8px 12px;font-size:13px}.form-grid{grid-template-columns:1fr 1fr;gap:14px;display:grid}.form-full{grid-column:1/-1}.field{flex-direction:column;gap:5px;display:flex}.field label{color:var(--navy);letter-spacing:.2px;font-size:11.5px;font-weight:600}.field input,.field select,.field textarea{border:1px solid var(--border);color:var(--text);background:#fff;border-radius:8px;outline:none;width:100%;padding:8px 11px;font-family:inherit;font-size:13px;transition:border-color .15s,box-shadow .15s}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--navy);box-shadow:0 0 0 3px #0b1f4a12}.field textarea{resize:vertical;min-height:80px}.field-hint{color:var(--light);font-size:11px}.modal-overlay{z-index:500;background:#0b1f4a73;justify-content:center;align-items:center;padding:20px;animation:.15s fadeIn;display:flex;position:fixed;inset:0}.modal-box{background:var(--card);border-radius:var(--radius-lg);width:100%;max-width:560px;max-height:90vh;box-shadow:var(--shadow-lg);animation:.2s slideUp;overflow-y:auto}.modal-head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:20px 24px 16px;display:flex}.modal-title{color:var(--navy);font-size:16px;font-weight:700}.modal-body{padding:20px 24px}.modal-foot{border-top:1px solid var(--border);justify-content:flex-end;gap:8px;padding:16px 24px;display:flex}.modal-close{cursor:pointer;color:var(--muted);background:0 0;border:none;border-radius:6px;padding:4px;display:flex}.modal-close:hover{background:var(--border-lt)}@keyframes fadeIn{0%{opacity:0}}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}}.alert{border-radius:8px;margin-bottom:14px;padding:10px 14px;font-size:13px}.alert-error{background:var(--red-bg);color:var(--red);border:1px solid #fecaca}.alert-success{background:var(--green-bg);color:var(--green);border:1px solid #a7f3d0}.alert-info{background:var(--blue-bg);color:var(--blue);border:1px solid #bfdbfe}.toast-stack{z-index:9999;flex-direction:column;gap:8px;display:flex;position:fixed;bottom:24px;right:24px}.toast{box-shadow:var(--shadow-lg);border-radius:10px;align-items:center;gap:8px;min-width:240px;max-width:380px;padding:11px 16px;font-size:13.5px;font-weight:500;animation:.2s slideUp;display:flex}.toast-success{background:var(--navy);color:#fff}.toast-error{background:var(--red);color:#fff}.toast-info{background:var(--blue);color:#fff}.toast-icon{background:#fff3;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:18px;height:18px;font-size:12px;display:flex}.progress-track{background:var(--border);border-radius:20px;height:6px;overflow:hidden}.progress-fill{border-radius:20px;height:100%;transition:width .3s}.qr-panel{background:var(--card);border-radius:var(--radius-lg);border:1px solid var(--border);flex-direction:column;align-items:center;gap:16px;padding:28px 24px;display:flex}.qr-img{cursor:pointer;border-radius:12px;width:220px;height:220px;transition:transform .2s}.qr-img:hover{transform:scale(1.03)}.text-code{letter-spacing:6px;color:var(--navy);background:var(--navy-light);border-radius:10px;padding:10px 20px;font-family:SF Mono,Fira Code,monospace;font-size:32px;font-weight:800}.qr-hint{color:var(--muted);text-align:center;font-size:11.5px}.attend-list{flex-direction:column;gap:0;display:flex}.attend-item{border-bottom:1px solid var(--border-lt);align-items:center;gap:11px;padding:11px 0;display:flex}.attend-item:last-child{border-bottom:none}.attend-avatar{background:var(--navy-light);width:32px;height:32px;color:var(--navy-mid);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:11px;font-weight:700;display:flex}.attend-name{color:var(--navy);font-size:13.5px;font-weight:600}.attend-email{color:var(--muted);font-size:11.5px}.attend-time{color:var(--light);white-space:nowrap;margin-left:auto;font-size:11.5px}.risk-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.login-wrap{background:linear-gradient(135deg, var(--navy) 0%, #0d2a5e 100%);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--card);border-radius:18px;width:380px;padding:40px;box-shadow:0 24px 80px #00000059}.login-logo{align-items:center;gap:12px;margin-bottom:28px;display:flex}.login-logo .logo-box{border-radius:10px;width:40px;height:40px;font-size:20px}.login-logo .logo-name{font-size:20px}.login-head{color:var(--navy);margin-bottom:2px;font-size:15px;font-weight:700}.login-sub{color:var(--muted);margin-bottom:22px;font-size:12px}.login-field{margin-bottom:12px}.login-field label{color:var(--navy);margin-bottom:5px;font-size:11.5px;font-weight:600;display:block}.login-field input{border:1px solid var(--border);border-radius:8px;outline:none;width:100%;padding:9px 12px;font-size:13px;transition:border-color .15s,box-shadow .15s}.login-field input:focus{border-color:var(--navy);box-shadow:0 0 0 3px #0b1f4a14}.empty{text-align:center;color:var(--muted);padding:56px 24px}.empty-icon{opacity:.4;margin-bottom:12px;font-size:40px}.empty-text{font-size:14px}.empty-sub{color:var(--light);margin-top:4px;font-size:12px}.section-label{color:var(--muted);letter-spacing:.8px;text-transform:uppercase;margin-bottom:10px;font-size:10.5px;font-weight:700}.divider{background:var(--border);height:1px;margin:20px 0}.spin-sm{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:16px;height:16px;animation:.7s linear infinite spin;display:inline-block}.spin-navy{border-color:#0b1f4a26;border-top-color:var(--navy)}.qr-fullscreen{z-index:999;cursor:pointer;background:#000;flex-direction:column;justify-content:center;align-items:center;gap:24px;display:flex;position:fixed;inset:0}.qr-fullscreen img{border-radius:16px;width:min(80vw,80vh);height:min(80vw,80vh)}.qr-fullscreen .text-code{letter-spacing:12px;color:#fff;background:#ffffff1a;font-size:52px}.period-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:12px;overflow:hidden}.period-card.is-active{border-color:var(--gold);box-shadow:0 0 0 3px #c9a84c1f}.period-head{justify-content:space-between;align-items:center;gap:12px;padding:16px 20px;display:flex}.period-body{padding:0 20px 16px}.period-name{color:var(--navy);font-size:15px;font-weight:700}.period-dates{color:var(--muted);margin-top:2px;font-size:12px}.period-stats{grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px;display:grid}.pstat{background:var(--bg);border-radius:8px;padding:10px 12px}.pstat-val{color:var(--navy);font-size:18px;font-weight:700}.pstat-label{color:var(--muted);font-size:11px}.msg-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:16px;padding:24px}.target-toggle{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.target-btn{cursor:pointer;border:1.5px solid var(--border);background:var(--card);color:var(--muted);border-radius:20px;padding:7px 14px;font-size:12.5px;font-weight:600;transition:all .15s}.target-btn.active{border-color:var(--navy);background:var(--navy);color:#fff}.settings-section{margin-bottom:28px}.settings-row{border-bottom:1px solid var(--border-lt);justify-content:space-between;align-items:center;padding:13px 0;display:flex}.settings-row:last-child{border-bottom:none}.settings-label{color:var(--navy);font-size:13.5px;font-weight:500}.settings-sub{color:var(--muted);font-size:12px}.type-chip{border-radius:20px;align-items:center;gap:6px;padding:4px 10px;font-size:12px;font-weight:600;display:inline-flex}.type-dot{border-radius:50%;flex-shrink:0;width:7px;height:7px}.page-tabs{border-bottom:1px solid var(--border);gap:2px;margin-bottom:20px;display:flex}.page-tab{cursor:pointer;color:var(--muted);background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:9px 18px;font-size:13.5px;font-weight:600;transition:color .15s,border-color .15s}.page-tab:hover{color:var(--navy)}.page-tab.active{color:var(--navy);border-bottom-color:var(--navy)}.student-header{align-items:flex-start;gap:18px;margin-bottom:24px;display:flex}.student-avatar-lg{background:var(--navy-light);width:64px;height:64px;color:var(--navy-mid);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:22px;font-weight:800;display:flex}.student-name{color:var(--navy);font-size:22px;font-weight:700}.student-email{color:var(--muted);margin-top:2px;font-size:13px}.student-meta{flex-wrap:wrap;gap:20px;margin-top:12px;display:flex}.student-stat{flex-direction:column;gap:1px;display:flex}.student-stat-num{color:var(--navy);font-size:20px;font-weight:700}.student-stat-label{color:var(--muted);font-size:11px}.history-row{border-bottom:1px solid var(--border-lt);align-items:center;gap:12px;padding:11px 0;display:flex}.history-row:last-child{border-bottom:none}.history-badge{border-radius:50%;flex-shrink:0;width:8px;height:8px}.history-title{color:var(--navy);text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-size:13.5px;font-weight:600;overflow:hidden}.history-date{color:var(--muted);white-space:nowrap;font-size:12px}.history-credit{color:var(--gold-dim);text-align:right;min-width:52px;font-size:13px;font-weight:700}.period-progress{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:12px;padding:18px 20px}.period-progress.is-active{border-color:var(--gold)}.pp-head{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.pp-name{color:var(--navy);font-size:14px;font-weight:700}.pp-nums{flex-wrap:wrap;gap:20px;margin-bottom:8px;display:flex}.pp-num{flex-direction:column;gap:1px;display:flex}.pp-num-val{color:var(--navy);font-size:18px;font-weight:700}.pp-num-label{color:var(--muted);font-size:11px}.exempt-row{border-bottom:1px solid var(--border-lt);align-items:flex-start;gap:12px;padding:13px 0;display:flex}.exempt-row:last-child{border-bottom:none}.exempt-credits{background:var(--gold-light);color:var(--gold-dim);text-align:center;border-radius:8px;flex-shrink:0;min-width:42px;padding:4px 10px;font-size:16px;font-weight:800}.exempt-reason{color:var(--navy);font-size:13.5px;font-weight:600}.exempt-meta{color:var(--muted);margin-top:2px;font-size:12px}.upload-drop{border:2px dashed var(--border);border-radius:var(--radius);text-align:center;cursor:pointer;padding:28px;transition:border-color .15s,background .15s}.upload-drop:hover,.upload-drop.drag{border-color:var(--navy);background:var(--navy-light)}.upload-drop-icon{opacity:.5;margin-bottom:8px;font-size:32px}.upload-drop-label{color:var(--navy);font-size:14px;font-weight:600}.upload-drop-sub{color:var(--muted);margin-top:4px;font-size:12px}.upload-results{flex-direction:column;gap:4px;max-height:180px;margin-top:14px;display:flex;overflow-y:auto}.upload-result-row{align-items:center;gap:8px;padding:4px 0;font-size:12.5px;display:flex}.report-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);justify-content:space-between;align-items:center;gap:16px;margin-bottom:12px;padding:20px 24px;display:flex}.report-info{flex:1}.report-title{color:var(--navy);font-size:14px;font-weight:700}.report-desc{color:var(--muted);margin-top:3px;font-size:12px}