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rotate(180deg)}to{transform:translateZ(0) rotate(360deg)}}.teacher-mobile-toggle{position:fixed;top:16px;left:16px;z-index:320;width:40px;height:40px;border:1px solid rgba(37,99,235,.18);border-radius:10px;background:#ffffffeb;color:#2f487b;display:none;align-items:center;justify-content:center;box-shadow:var(--teacher-shadow-sm)}.teacher-mobile-toggle:hover{background:var(--white)}.teacher-sidebar-overlay{position:fixed;inset:0;z-index:210;background:#11182757;opacity:0;pointer-events:none;transition:opacity .2s ease}.teacher-sidebar-overlay.visible{opacity:1;pointer-events:auto}.teacher-sidebar{width:var(--teacher-sidebar-width);height:100vh;min-height:100vh;background:linear-gradient(to bottom,var(--admin-sidebar-from),var(--admin-sidebar-via),var(--admin-sidebar-to));border-right:1px solid var(--admin-sidebar-border);box-shadow:0 20px 45px #183e7e1f;display:flex;flex-direction:column;position:fixed;top:0;left:0;z-index:260;transition:transform .2s ease}@media (min-width: 1025px){.teacher-sidebar{transform:translate(0)!important;transition:none}.teacher-sidebar-overlay{display:none!important}}.teacher-sidebar-inner{height:100%;display:flex;flex-direction:column;padding:12px 10px 14px}.teacher-sidebar-brand{margin:2px 2px 6px;padding:10px 12px;display:flex;align-items:center;gap:10px;background:#ffffffd9;border-radius:14px;border:1px solid rgba(37,99,235,.12);box-shadow:0 1px 4px #183e7e14}.teacher-sidebar-brand img{width:34px;height:34px;border-radius:9px;border:1px solid var(--admin-stroke);background:var(--white);padding:5px;-o-object-fit:contain;object-fit:contain}.teacher-sidebar-brand-name{font-size:1.02rem;font-weight:600;color:var(--gray-900);letter-spacing:-.02em}.teacher-sidebar-brand-name span{color:var(--blue-600)}.teacher-sidebar-nav{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:4px;padding:10px 4px}.teacher-nav-label{font-size:.65rem;font-weight:600;color:#2563eb80;text-transform:uppercase;letter-spacing:.07em;padding:8px 8px 4px}.teacher-nav-item{display:flex;align-items:center;gap:10px;border-radius:10px;border:1px solid transparent;background:transparent;color:#3d5080;font-size:.875rem;font-weight:500;padding:10px 12px;text-decoration:none;transition:all .15s ease;cursor:pointer;width:100%;font-family:inherit;text-align:left}.teacher-nav-item:hover{background:#ffffffb8;color:var(--gray-900)}.teacher-nav-item.is-active{background:var(--white);color:var(--blue-700);font-weight:600;border-color:#2563eb26;box-shadow:0 1px 4px #183e7e1a}.teacher-nav-item svg{width:18px;height:18px;flex-shrink:0}.teacher-sidebar-footer{margin-top:auto;border-top:1px solid rgba(37,99,235,.12);padding:12px 6px 0}.teacher-main-content{margin-left:var(--teacher-sidebar-width);min-height:100vh;flex:1;position:relative;--teacher-accent: #2563eb;--teacher-accent-soft: #dbeafe;--teacher-accent-ring: rgba(37, 99, 235, .14);--teacher-surface-border: #dbe8ff}.teacher-module-loader{width:100%;min-height:148px;border:1px dashed rgba(37,99,235,.28);border-radius:14px;background:#ffffffd6;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:#27477f}.teacher-module-loader.is-compact{min-height:92px;border-radius:12px}.teacher-module-spinner{width:28px;height:28px;border-radius:999px;border:3px solid rgba(37,99,235,.2);border-top-color:var(--blue-600);animation:teacher-module-spin .8s linear infinite}.teacher-module-loader.is-compact .teacher-module-spinner{width:22px;height:22px}.teacher-module-loader-text{font-size:.88rem;font-weight:500;color:#4a628f}@keyframes teacher-module-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.teacher-theme-dashboard{--teacher-accent: #2563eb;--teacher-accent-soft: #dbeafe}.teacher-theme-attendance{--teacher-accent: #0f766e;--teacher-accent-soft: #ccfbf1;--teacher-accent-ring: rgba(15, 118, 110, .14);--teacher-surface-border: #b7f1e8}.teacher-theme-reports{--teacher-accent: #7c3aed;--teacher-accent-soft: #ede9fe;--teacher-accent-ring: rgba(124, 58, 237, .14);--teacher-surface-border: #ddd6fe}.teacher-theme-invitations{--teacher-accent: #0891b2;--teacher-accent-soft: #cffafe;--teacher-accent-ring: rgba(8, 145, 178, .14);--teacher-surface-border: #bae6fd}.teacher-global-header{position:fixed;top:0;left:var(--teacher-sidebar-width);right:0;height:var(--teacher-header-height);padding:0 32px;background:#ffffffeb;border-bottom:1px solid var(--teacher-surface-border);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:space-between;z-index:170;box-shadow:0 1px 4px #183e7e12}.teacher-global-header:after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,var(--teacher-accent),transparent);opacity:.35}.teacher-global-header-right{display:inline-flex;align-items:center;gap:8px}.teacher-main-scroll{min-height:100vh;padding:calc(var(--teacher-header-height) + 20px) 28px 24px}.teacher-main-section{display:flex;flex-direction:column;gap:16px}.teacher-page-title{font-size:1rem;font-weight:600;color:var(--gray-900);letter-spacing:-.01em}.teacher-page-subtitle{font-size:.75rem;color:var(--gray-500);margin-top:1px}.teacher-page-date{font-size:.78rem;color:var(--gray-500);font-weight:500}.teacher-dashboard-proto{display:flex;flex-direction:column;gap:0}.teacher-empty-state-card{background:#fff;border:1px solid var(--admin-stroke);border-radius:12px;box-shadow:var(--teacher-shadow-md);padding:24px}.teacher-empty-state-card h3{margin:0;font-size:1rem;font-weight:600;color:var(--gray-900)}.teacher-empty-state-card p{margin:6px 0 0;font-size:.85rem;color:var(--gray-500)}.teacher-course-pill-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px}.teacher-course-pill{font-family:inherit;font-size:.8rem;font-weight:500;padding:7px 14px;border-radius:20px;border:1.5px solid var(--admin-stroke);background:var(--white);color:var(--gray-600);cursor:pointer;transition:all .15s}.teacher-course-pill:hover{border-color:#2563eb4d;color:var(--blue-600)}.teacher-course-pill.active{background:var(--teacher-accent);color:#fff;border-color:var(--teacher-accent);font-weight:600}.teacher-course-cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}.teacher-courses-empty-plain{grid-column:1 / -1;background:#fff;border:1px solid var(--admin-stroke);border-radius:12px;box-shadow:var(--teacher-shadow-md);min-height:120px;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;gap:8px;padding:18px}.teacher-courses-empty-icon{width:36px;height:36px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;background:#eff6ff;color:#2563eb}.teacher-courses-empty-plain h4{margin:0;font-size:.95rem;font-weight:600;color:var(--gray-800)}.teacher-courses-empty-plain p{margin:0;max-width:520px;color:var(--gray-500);font-size:.82rem;line-height:1.4}.teacher-course-card{background:#fff;border-radius:12px;border:1px solid var(--admin-stroke);box-shadow:var(--teacher-shadow-md);padding:18px 20px;display:flex;flex-direction:column;gap:10px;transition:box-shadow .2s,transform .2s}.teacher-course-card:hover{box-shadow:var(--teacher-shadow-lg);transform:translateY(-1px)}.teacher-course-card.is-placeholder{background:linear-gradient(180deg,#fff,#f8faff);border-style:dashed;border-color:#cfe0ff}.teacher-course-card.is-placeholder:hover{transform:none;box-shadow:var(--teacher-shadow-md)}.teacher-course-card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}.teacher-course-name{font-size:.875rem;font-weight:600;color:var(--admin-text)}.teacher-course-meta{font-size:.72rem;color:#5f6c8d;margin-top:2px}.teacher-course-pct{font-size:2rem;font-weight:700;letter-spacing:-.03em;line-height:1}.teacher-course-pct-label{font-size:.72rem;color:var(--gray-500);margin-top:2px}.teacher-course-mini-bar{height:4px;background:var(--gray-100);border-radius:4px;overflow:hidden;margin-top:6px}.teacher-course-mini-bar-fill{height:100%;border-radius:4px}.teacher-course-last-session{border-top:1px solid #edf2ff;padding-top:10px;margin-top:2px}.teacher-course-last-label{font-size:.67rem;font-weight:600;color:var(--gray-400);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px}.teacher-course-session-chips{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.teacher-s-chip{display:inline-flex;align-items:center;gap:3px;font-size:.75rem;font-weight:600;padding:3px 8px;border-radius:20px}.teacher-s-chip.p{background:#ecfdf5;color:#059669}.teacher-s-chip.a{background:#fef2f2;color:#dc2626}.teacher-s-chip.l{background:#fffbeb;color:#d97706}.teacher-course-risk{font-size:.75rem;font-weight:600;color:#ef4444;margin-top:4px}.teacher-badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:20px;font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;white-space:nowrap}.teacher-badge-blue{background:#eff6ff;color:#2563eb}.teacher-badge-present{background:#ecfdf5;color:#059669}.teacher-badge-absent{background:#fef2f2;color:#dc2626}.teacher-badge-late{background:#fffbeb;color:#d97706}.teacher-badge-pending{background:#eff6ff;color:#2563eb}.teacher-badge-sent{background:#ecfdf5;color:#059669}.teacher-badge-accepted{background:#f0fdf4;color:#15803d}.teacher-badge-expired{background:#f3f4f6;color:#6b7280}.teacher-badge-cancelled{background:#fef2f2;color:#dc2626}.teacher-badge-error{background:#fff1f2;color:#be123c}.teacher-chart-card-proto{background:#fff;border-radius:12px;border:1px solid var(--admin-stroke);box-shadow:var(--teacher-shadow-md);overflow:hidden;margin-bottom:24px}.teacher-chart-header-proto{padding:18px 20px 0;display:flex;align-items:flex-start;justify-content:space-between}.teacher-chart-title-proto{font-size:.9rem;font-weight:600;color:var(--gray-900)}.teacher-chart-subtitle-proto{font-size:.75rem;color:var(--gray-500);margin-top:2px}.teacher-chart-legend-proto{display:flex;gap:16px;padding:0 20px 16px;flex-wrap:wrap;align-items:center}.teacher-legend-item-proto{display:inline-flex;align-items:center;gap:6px;font-size:.75rem;color:var(--gray-600);font-weight:500}.teacher-legend-dot-proto{width:8px;height:8px;border-radius:50%;flex-shrink:0}.teacher-threshold-dash{width:18px;height:2px;border-top:2px dashed #f59e0b;border-radius:1px}.teacher-chart-content-row{display:flex;align-items:flex-start;gap:16px;padding:0 20px 20px}.teacher-chart-body-proto{flex:1;min-width:0;position:relative}.teacher-chart-legend-side{width:180px;flex-shrink:0;display:flex;flex-direction:column;gap:8px;padding-top:6px;max-height:220px;overflow-y:auto}.teacher-chart-legend-side-item{display:flex;align-items:flex-start;gap:8px;font-size:.72rem;color:#374151;line-height:1.3}.teacher-chart-legend-side-dot{width:9px;height:9px;border-radius:50%;flex-shrink:0;margin-top:2px}.teacher-chart-legend-side-label{word-break:break-word}.teacher-chart-legend-threshold{display:flex;align-items:center;gap:8px;font-size:.72rem;color:#d97706;margin-bottom:6px;padding-bottom:8px;border-bottom:1px solid #E5E7EB}.teacher-chart-dot-tooltip{position:absolute;background:#1f2937;color:#fff;padding:6px 10px;border-radius:6px;font-size:.72rem;pointer-events:none;white-space:nowrap;z-index:10;transform:translate(-50%,-130%);box-shadow:0 2px 8px #0000002e}.teacher-chart-dot-tooltip-code{font-weight:600;font-size:.7rem;margin-bottom:1px}.teacher-chart-dot-tooltip-name{color:#d1d5db;font-size:.68rem;margin-bottom:2px}.teacher-chart-dot-tooltip-pct{font-size:.9rem;font-weight:700}.teacher-trend-svg{width:100%;height:auto;display:block}.teacher-alert-section{background:#fff;border-radius:12px;border:1px solid var(--admin-stroke);box-shadow:var(--teacher-shadow-md);margin-bottom:16px;overflow:hidden}.teacher-alert-header-proto{padding:14px 20px;background:#fffbeb;border-bottom:1px solid #fef3c7;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.teacher-alert-header-left-proto{display:inline-flex;align-items:center;gap:8px;font-size:.875rem;font-weight:600;color:#d97706}.teacher-alert-send-btn{border:none;background:#f59e0b;color:#fff;display:inline-flex;align-items:center;gap:6px;font-size:.75rem;font-weight:600;border-radius:10px;padding:8px 12px;cursor:pointer;box-shadow:0 2px 8px #f59e0b4d;transition:background .15s ease,transform .15s ease}.teacher-alert-send-btn:hover:not(:disabled){background:#d97706;transform:translateY(-1px)}.teacher-alert-send-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.teacher-alert-table-wrap{overflow-x:auto}.teacher-alert-table-proto{width:100%;border-collapse:collapse}.teacher-alert-table-proto thead tr{background:linear-gradient(90deg,#2563eb0f,#4f46e50a)}.teacher-alert-table-proto th{padding:11px 16px;text-align:left;font-size:.72rem;font-weight:600;color:#5f6c8d;text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--admin-stroke);white-space:nowrap}.teacher-alert-table-proto td{padding:14px 16px;font-size:.85rem;color:#374151;border-bottom:1px solid #edf2ff;vertical-align:middle}.teacher-alert-table-proto tbody tr:last-child td{border-bottom:none}.teacher-alert-table-proto tbody tr:hover{background:#2563eb06}.teacher-risk-empty-row{padding:18px 12px;text-align:center;font-size:.82rem;color:var(--gray-500)}.teacher-cell-user{display:flex;align-items:center;gap:10px}.teacher-cell-avatar{width:32px;height:32px;border-radius:50%;background:var(--gray-100);display:inline-flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:700;color:var(--gray-600);flex-shrink:0}.teacher-cell-name{font-weight:500;color:var(--gray-900);font-size:.85rem}.teacher-cell-email{font-size:.72rem;color:var(--gray-500)}.teacher-progress-cell{display:flex;align-items:center;gap:10px}.teacher-progress-bar-wrap{flex:1;height:6px;background:var(--gray-100);border-radius:6px;overflow:hidden;min-width:60px}.teacher-progress-fill{height:100%;border-radius:6px;transition:width .4s ease}.teacher-progress-fill.high{background:#10b981}.teacher-progress-fill.mid{background:#f59e0b}.teacher-progress-fill.low{background:#ef4444}.teacher-progress-pct{font-size:.82rem;font-weight:600;color:var(--gray-900);min-width:34px}.teacher-last-record-cell{color:var(--gray-500);font-size:.8rem}.teacher-risk-course-cell{display:flex;flex-direction:column;gap:2px}.teacher-risk-course-main{font-size:.82rem;color:var(--gray-900);font-weight:600}.teacher-risk-course-sub{font-size:.72rem;color:var(--gray-500)}.teacher-status-cell{display:inline-flex;align-items:center;gap:6px;flex-wrap:wrap}.teacher-last-record-main{font-size:.8rem;color:var(--gray-700);font-weight:600}.teacher-last-record-sub{margin-top:1px;font-size:.72rem;color:var(--gray-500)}.teacher-alert-msg{margin-top:2px;margin-bottom:6px;font-size:.82rem;color:var(--gray-600)}.teacher-att-shell{display:grid;grid-template-columns:224px minmax(0,1fr);gap:18px;align-items:start}.teacher-att-side{display:flex;flex-direction:column;gap:14px}.teacher-att-side-card{background:#fff;border:1px solid var(--teacher-surface-border);border-radius:12px;box-shadow:var(--teacher-shadow-sm);overflow:hidden}.teacher-att-side-title{margin:0;padding:12px 14px 8px;font-size:.72rem;font-weight:700;color:#8ca0c9;letter-spacing:.06em;text-transform:uppercase}.teacher-att-date-options{padding:0 10px 10px;display:flex;flex-direction:column;gap:4px}.teacher-att-date-btn{border:none;border-radius:9px;background:#f3f6fb;color:#4a5977;font-size:.82rem;font-weight:600;text-align:left;padding:10px 12px;cursor:pointer;transition:all .15s ease}.teacher-att-date-btn.active{background:#2f64d8;color:#fff}.teacher-att-date-input{margin-top:4px;border-radius:8px;border:1.5px solid var(--teacher-surface-border);background:var(--admin-surface);padding:8px 10px;font-size:.8rem}.teacher-att-courses-list{border-top:1px solid var(--teacher-surface-border)}.teacher-att-course-item{width:100%;border:none;border-top:1px solid var(--teacher-surface-border);background:#fff;text-align:left;padding:10px 12px;cursor:pointer;transition:background .15s ease}.teacher-att-course-item:first-child{border-top:none}.teacher-att-course-item:hover{background:#f8fbff}.teacher-att-course-item.active{background:#f3f7ff;box-shadow:inset 3px 0 #2f64d8}.teacher-att-course-name{font-size:.84rem;font-weight:700;color:#1b2b4b}.teacher-att-course-time{margin-top:2px;font-size:.76rem;color:#7d8aa3}.teacher-att-course-stats{margin-top:7px;display:flex;gap:8px;font-size:.72rem;font-weight:700}.teacher-att-course-stats .is-present{color:#059669}.teacher-att-course-stats .is-absent{color:#dc2626}.teacher-att-course-stats .is-late{color:#d97706}.teacher-att-main{min-width:0}.teacher-att-main-card{background:#fff;border:1px solid var(--teacher-surface-border);border-radius:12px;box-shadow:var(--teacher-shadow-md);overflow:hidden}.teacher-att-main-header{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 18px;border-bottom:1px solid var(--teacher-surface-border)}.teacher-att-main-head-left{display:flex;align-items:center;gap:14px;min-width:0}.teacher-att-main-code{font-size:2rem;font-weight:700;line-height:1;letter-spacing:-.02em;color:#275ed8;white-space:nowrap}.teacher-att-main-divider{width:1px;height:38px;background:var(--teacher-surface-border)}.teacher-att-main-head-left h2{margin:0;font-size:1.85rem;line-height:1;color:#1e2b45;letter-spacing:-.02em}.teacher-att-main-head-left p{margin:3px 0 0;font-size:.92rem;color:#8a97ad}.teacher-att-main-head-stats{display:grid;grid-template-columns:repeat(4,minmax(0,auto));gap:0}.teacher-att-main-head-stats div{min-width:94px;padding:0 12px;text-align:center;border-left:1px solid var(--teacher-surface-border)}.teacher-att-main-head-stats strong{display:block;font-size:2rem;font-weight:700;line-height:1;color:#1f2c47}.teacher-att-main-head-stats div:nth-child(1) strong{color:#059669}.teacher-att-main-head-stats div:nth-child(2) strong{color:#dc2626}.teacher-att-main-head-stats div:nth-child(3) strong{color:#d97706}.teacher-att-main-head-stats span{display:block;margin-top:3px;font-size:.69rem;font-weight:700;color:#8c9ab0;text-transform:uppercase;letter-spacing:.06em}.teacher-att-photos-row{width:100%;border:none;border-bottom:1px solid var(--teacher-surface-border);background:#fbfcff;display:flex;align-items:center;justify-content:space-between;padding:12px 18px;font-size:.85rem;font-weight:700;color:#1e2b45;cursor:pointer}.teacher-att-photos-meta{color:#275ed8;font-size:.8rem;font-weight:700;display:inline-flex;align-items:center;gap:6px}.teacher-att-photos-chevron{display:inline-flex;align-items:center;justify-content:center;transition:transform .22s ease}.teacher-att-photos-chevron.is-open{transform:rotate(180deg)}.teacher-att-photos-grid-wrap{border-bottom:1px solid var(--teacher-surface-border);max-height:0;opacity:0;overflow:hidden;transition:max-height .28s ease,opacity .2s ease}.teacher-att-photos-grid-wrap.is-open{max-height:1200px;opacity:1}.teacher-att-photos-grid-inner{transform:translateY(-8px);transition:transform .24s ease}.teacher-att-photos-grid-wrap.is-open .teacher-att-photos-grid-inner{transform:translateY(0)}.teacher-att-table-toolbar{padding:14px 16px 10px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.teacher-att-table-title-wrap{display:flex;align-items:center;gap:10px}.teacher-att-table-title-wrap h3{margin:0;font-size:.88rem;font-weight:700;color:#1f2c47}.teacher-att-toolbar-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.teacher-att-search-input{min-width:210px;border:1.5px solid var(--teacher-surface-border);background:var(--admin-surface);border-radius:9px;padding:8px 11px;font-size:.82rem}.teacher-att-table-compact tbody td{padding-top:12px;padding-bottom:12px}.teacher-att-status-select{border:none;border-radius:999px;font-size:.78rem;font-weight:700;padding:5px 22px 5px 12px;appearance:none;-webkit-appearance:none;-moz-appearance:none;cursor:pointer;outline:none;background-image:linear-gradient(45deg,transparent 50%,currentColor 50%),linear-gradient(135deg,currentColor 50%,transparent 50%);background-position:calc(100% - 12px) calc(50% - 2px),calc(100% - 8px) calc(50% - 2px);background-size:4px 4px,4px 4px;background-repeat:no-repeat}.teacher-att-status-select.is-present{background-color:#ecfdf5;color:#059669}.teacher-att-status-select.is-absent{background-color:#fef2f2;color:#dc2626}.teacher-att-status-select.is-late{background-color:#fffbeb;color:#d97706}.teacher-report-proto{display:flex;flex-direction:column;gap:20px}.teacher-invitations-proto{display:flex;flex-direction:column}.teacher-inv-layout{display:flex;gap:20px;align-items:flex-start}.teacher-inv-sidebar{width:30%;flex-shrink:0;position:sticky;top:calc(var(--teacher-header-height) + 20px);display:flex;flex-direction:column;gap:12px}.teacher-inv-main{flex:1;min-width:0;overflow-y:auto;max-height:calc(100vh - var(--teacher-header-height) - 48px)}.teacher-filter-bar-proto{background:#fff;border-radius:12px;border:1px solid var(--teacher-surface-border);box-shadow:var(--teacher-shadow-sm);padding:16px 20px;display:flex;align-items:flex-end;gap:14px;flex-wrap:wrap}.teacher-filter-group-proto{display:flex;flex-direction:column;gap:5px;min-width:160px}.teacher-filter-group-wide{min-width:280px}.teacher-filter-label-proto{font-size:.75rem;font-weight:500;color:var(--gray-600)}.teacher-filter-select-proto,.teacher-filter-input-proto,.teacher-search-input-proto,.teacher-modal-field input,.teacher-modal-field select{font-family:inherit;font-size:.85rem;color:var(--admin-text);background:var(--admin-surface);border:1.5px solid var(--teacher-surface-border);border-radius:9px;padding:9px 12px;outline:none;transition:all .2s}.teacher-filter-select-proto:focus,.teacher-filter-input-proto:focus,.teacher-search-input-proto:focus,.teacher-modal-field input:focus,.teacher-modal-field select:focus{border-color:var(--teacher-accent);background:var(--white);box-shadow:0 0 0 3px var(--teacher-accent-ring)}.teacher-filter-input-proto.is-readonly{background:var(--gray-50);color:var(--gray-500);cursor:default;pointer-events:none}.teacher-search-input-proto{min-width:220px}.teacher-date-toggle-proto{display:flex;background:var(--gray-100);border-radius:9px;padding:3px;gap:2px}.teacher-date-btn-proto{font-family:inherit;font-size:.8rem;font-weight:500;color:var(--gray-600);background:transparent;border:none;padding:7px 12px;border-radius:6px;cursor:pointer;transition:all .15s;white-space:nowrap}.teacher-date-btn-proto.active{background:var(--white);color:var(--teacher-accent);font-weight:600;box-shadow:var(--teacher-shadow-sm)}.teacher-btn-primary-proto,.teacher-btn-outline-proto{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:10px;font-family:inherit;font-size:.82rem;font-weight:600;padding:10px 14px;cursor:pointer;border:1px solid transparent;transition:all .15s ease}.teacher-btn-primary-proto{background:var(--teacher-accent);color:#fff;box-shadow:0 2px 8px #2563eb40}.teacher-btn-primary-proto:hover:not(:disabled){transform:translateY(-1px)}.teacher-btn-outline-proto{background:#fff;color:#374151;border-color:var(--teacher-surface-border)}.teacher-btn-outline-proto:hover:not(:disabled){background:var(--admin-surface)}.teacher-btn-primary-proto:disabled,.teacher-btn-outline-proto:disabled{opacity:.6;cursor:not-allowed}.teacher-class-photos-grid{padding:16px 20px 20px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.teacher-class-photos-grid.is-single{grid-template-columns:repeat(2,minmax(0,1fr))}.teacher-class-photos-grid.is-single .teacher-class-photo-item{grid-column:1 / -1;width:min(100%,420px);justify-self:center}.teacher-class-photo-item{border:1px solid var(--teacher-surface-border);border-radius:10px;overflow:hidden;background:var(--admin-surface)}.teacher-att-photos-grid-wrap.is-open .teacher-class-photo-item{animation:teacher-photo-card-in .24s ease both}.teacher-att-photos-grid-wrap.is-open .teacher-class-photo-item:nth-child(2){animation-delay:.04s}.teacher-class-photo-item img{width:100%;aspect-ratio:1 / 1;height:auto;-o-object-fit:cover;object-fit:cover;background:#eef2ff;display:block}.teacher-class-photo-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-top:1px solid var(--teacher-surface-border);background:#fff}.teacher-class-photo-label{margin:0;font-size:.8rem;font-weight:600;color:var(--admin-text)}.teacher-class-photo-time{margin:2px 0 0;font-size:.72rem;color:var(--gray-500)}.teacher-class-photo-actions{display:inline-flex;align-items:center;gap:8px}.teacher-photo-expand-btn{border:1px solid #c9d8f9;background:#fff;color:#275ed8;border-radius:999px;font-size:.72rem;font-weight:700;padding:5px 10px;cursor:pointer;transition:all .15s ease}.teacher-photo-expand-btn:hover{background:#eff6ff;border-color:#94b7ff}.teacher-table-card-proto{background:#fff;border-radius:12px;border:1px solid var(--teacher-surface-border);box-shadow:var(--teacher-shadow-md);overflow:hidden}.teacher-table-card-header-proto{padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--teacher-surface-border);flex-wrap:wrap}.teacher-table-card-title-proto{display:flex;align-items:center;gap:8px;font-size:.9rem;font-weight:600;color:var(--gray-900)}.teacher-table-count-proto{font-size:.72rem;font-weight:600;color:var(--teacher-accent);background:var(--teacher-accent-soft);padding:2px 8px;border-radius:20px}.teacher-table-wrap-proto{overflow-x:auto}.teacher-data-table-proto{width:100%;border-collapse:collapse}.teacher-data-table-proto thead tr{background:linear-gradient(90deg,#2563eb0f,#4f46e50a)}.teacher-data-table-proto th{padding:11px 16px;text-align:left;font-size:.72rem;font-weight:600;color:#5f6c8d;text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--teacher-surface-border);white-space:nowrap}.teacher-data-table-proto td{padding:13px 16px;font-size:.84rem;color:#374151;border-bottom:1px solid #edf2ff;vertical-align:middle}.teacher-data-table-proto tbody tr:last-child td{border-bottom:none}.teacher-data-table-proto tbody tr:hover{background:#2563eb06}.teacher-status-actions{display:inline-flex;align-items:center;gap:6px}.teacher-status-btn{border:1px solid var(--teacher-surface-border);border-radius:999px;background:#fff;color:var(--gray-600);font-size:.72rem;font-weight:600;padding:4px 10px;cursor:pointer;transition:all .15s ease}.teacher-status-btn.active-present{background:#ecfdf5;border-color:#bbf7d0;color:#15803d}.teacher-status-btn.active-absent{background:#fef2f2;border-color:#fecaca;color:#b91c1c}.teacher-status-btn.active-late{background:#fffbeb;border-color:#fde68a;color:#b45309}.teacher-status-btn:disabled{opacity:.6;cursor:not-allowed}.teacher-modal-overlay{position:fixed;inset:0;z-index:500;background:#11182785;display:flex;align-items:center;justify-content:center;padding:16px}.teacher-modal{position:relative;width:100%;max-width:560px;max-height:90vh;overflow-y:auto;background:#fff;border:1px solid var(--teacher-surface-border);border-radius:12px;box-shadow:var(--teacher-shadow-lg);padding:20px}.teacher-modal-close{position:absolute;right:12px;top:10px;border:none;background:none;color:var(--gray-500);font-size:22px;cursor:pointer}.teacher-add-modal-content h3{margin:0;font-size:1rem;color:var(--gray-900)}.teacher-add-modal-content p{margin:6px 0 14px;font-size:.8rem;color:var(--gray-500)}.teacher-modal-field{margin-bottom:12px;display:flex;flex-direction:column;gap:6px}.teacher-modal-field label{font-size:.75rem;color:var(--gray-600);font-weight:500}.teacher-static-role-chip{display:inline-flex;align-items:center;width:-moz-fit-content;width:fit-content;padding:8px 12px;border-radius:999px;border:1px solid #bfdbfe;background:#eff6ff;color:#1d4ed8;font-size:.78rem;font-weight:700;letter-spacing:.01em}.teacher-modal-student-list{max-height:220px;overflow-y:auto;display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.teacher-modal-student-item{display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:10px 12px;border-radius:9px;border:1.5px solid transparent;background:var(--admin-surface);cursor:pointer}.teacher-modal-student-item.is-selected{border-color:#2563eb47;background:#eff6ff}.teacher-modal-student-item span{font-size:.82rem;color:var(--gray-900);font-weight:600}.teacher-modal-student-item small{font-size:.72rem;color:var(--gray-500)}.teacher-modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}.teacher-photo-preview-modal{max-width:940px;width:min(94vw,940px);padding:16px;animation:teacher-photo-modal-in .22s ease-out}.teacher-photo-preview-shell{display:flex;flex-direction:column;gap:10px}.teacher-photo-preview-head h3{margin:0;font-size:.95rem;color:#1f2c47}.teacher-photo-preview-head p{margin:3px 0 0;font-size:.75rem;color:#7c8ba6}.teacher-photo-preview-tools{display:flex;flex-direction:column;gap:8px}.teacher-photo-zoom-head-actions{display:inline-flex;align-items:center;gap:8px}.teacher-photo-zoom-toggle{width:-moz-fit-content;width:fit-content;border:1px solid #c9d8f9;background:#fff;color:#275ed8;border-radius:999px;font-size:.76rem;font-weight:700;padding:6px 12px;cursor:pointer;transition:all .16s ease;display:inline-flex;align-items:center;gap:6px}.teacher-photo-zoom-toggle:hover{background:#eff6ff;border-color:#94b7ff}.teacher-photo-zoom-toggle.is-on{background:#dbeafe;border-color:#60a5fa;color:#1d4ed8}.teacher-photo-zoom-controls{display:flex;align-items:stretch;gap:10px;flex-wrap:wrap}.teacher-photo-zoom-control{min-width:220px;flex:1;display:flex;flex-direction:column;gap:5px}.teacher-photo-zoom-control span{font-size:.72rem;color:#5f6c8d;font-weight:600}.teacher-photo-zoom-control input[type=range]{width:100%;accent-color:#2563eb}.teacher-photo-zoom-reset-icon-btn{width:24px;height:24px;border:1px solid #bfdbfe;background:#eff6ff;color:#1d4ed8;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all .16s ease;flex-shrink:0}.teacher-photo-zoom-reset-icon-btn:hover{background:#dbeafe;border-color:#93c5fd}.teacher-photo-zoom-hint{margin:0;font-size:.73rem;color:#64748b;padding:6px 10px;border-radius:8px;background:#f8fafc;border:1px solid #e2e8f0}.teacher-photo-preview-image-wrap{position:relative;border-radius:10px;overflow:hidden;border:1px solid var(--teacher-surface-border);background:#eff6ff;max-height:72vh}.teacher-photo-preview-image-wrap.is-desktop-zoom-active{cursor:crosshair}.teacher-photo-preview-image-wrap.is-mobile-zoom-active{overflow:auto;touch-action:pan-x pan-y}.teacher-photo-preview-image{width:100%;max-height:72vh;-o-object-fit:contain;object-fit:contain;display:block;margin:0 auto;animation:teacher-photo-image-in .26s ease-out}.teacher-photo-preview-image.is-mobile-zoomed{width:auto;min-width:100%;max-width:none;-o-object-fit:cover;object-fit:cover;animation:none}.teacher-photo-zoom-lens{position:absolute;border-radius:999px;border:2px solid rgba(37,99,235,.65);box-shadow:0 8px 18px #0f172a40;pointer-events:none;z-index:2}@keyframes teacher-photo-modal-in{0%{opacity:0;transform:translateY(8px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes teacher-photo-image-in{0%{opacity:0;transform:scale(.97)}to{opacity:1;transform:scale(1)}}@keyframes teacher-photo-card-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.teacher-muted-msg{padding:12px 20px;margin:0;color:var(--gray-500);font-size:.8rem}.teacher-error-msg{padding:6px 20px 14px;margin:0;color:#dc2626;font-size:.8rem}.teacher-page-banner{position:sticky;top:12px;z-index:90;margin:0 0 12px;width:min(100%,520px);border-radius:10px;border:1px solid transparent;padding:8px 10px;display:flex;align-items:center;justify-content:space-between;gap:8px;box-shadow:0 6px 16px #0f172a14;animation:teacher-banner-enter .22s ease-out}.teacher-page-banner-success{background:#f0fdf4;border-color:#bbf7d0;color:#166534}.teacher-page-banner span{font-size:.76rem;font-weight:500;line-height:1.3;letter-spacing:.01em}.teacher-page-banner-content{display:inline-flex;align-items:center;gap:6px}.teacher-page-banner-content svg{flex-shrink:0}.teacher-page-banner button{border:1px solid transparent;border-radius:6px;background:transparent;color:inherit;font-size:.86rem;line-height:1;cursor:pointer;opacity:.65;width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;transition:all .15s ease}.teacher-page-banner button:hover{opacity:1;background:#16653414;border-color:#16653429}@keyframes teacher-banner-enter{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.teacher-report-kpis-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.teacher-report-kpi-card{background:#fff;border:1px solid var(--teacher-surface-border);border-radius:10px;padding:14px 16px;box-shadow:var(--teacher-shadow-sm)}.teacher-report-kpi-card span{display:block;font-size:.72rem;font-weight:600;color:var(--gray-400);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px}.teacher-report-kpi-card strong{display:block;font-size:1.45rem;line-height:1;color:var(--gray-900)}.teacher-report-kpi-card strong.is-risk{color:#ef4444}.teacher-report-kpi-card strong.is-good{color:#059669}.teacher-report-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.teacher-export-menu-proto{position:relative;display:inline-flex}.teacher-export-menu-trigger-proto{min-width:110px}.teacher-export-dropdown-proto{position:absolute;top:calc(100% + 6px);right:0;min-width:170px;background:#fff;border:1px solid var(--teacher-surface-border);border-radius:10px;box-shadow:var(--teacher-shadow-sm);padding:6px;z-index:35}.teacher-export-dropdown-item-proto{width:100%;border:none;border-radius:8px;background:transparent;color:var(--gray-700);font-family:inherit;font-size:.82rem;font-weight:500;text-align:left;padding:8px 10px;cursor:pointer}.teacher-export-dropdown-item-proto:hover{background:#eff6ff;color:#1d4ed8}.teacher-student-view-header .teacher-export-menu-proto,.teacher-student-view-header .teacher-export-menu-trigger-proto{display:flex;align-items:center;justify-content:flex-end}.teacher-risk-toggle-proto{display:inline-flex;gap:4px}.teacher-risk-pill-proto{border-radius:999px;border:1.5px solid var(--teacher-surface-border);background:#fff;color:var(--gray-600);font-size:.75rem;font-weight:600;padding:5px 10px;cursor:pointer}.teacher-risk-pill-proto.active{background:#eff6ff;border-color:#2563eb47;color:#2563eb}.teacher-report-row{cursor:pointer}.teacher-student-view-header{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:14px 20px 0}.teacher-back-link{border:none;background:none;color:var(--teacher-accent);font-size:.82rem;font-weight:600;cursor:pointer;padding:4px 0}.teacher-student-identity-strip{display:flex;align-items:center;gap:10px;margin:14px 20px;padding:12px 16px;border-radius:10px;border:1px solid var(--teacher-surface-border);background:#fff}.teacher-student-identity-stats{margin-left:auto;display:flex;gap:16px}.teacher-student-identity-stats div strong{display:block;font-size:1rem;color:var(--gray-900);text-align:center}.teacher-student-identity-stats div span{display:block;font-size:.68rem;color:var(--gray-400);text-transform:uppercase;text-align:center}.teacher-inv-form-card{background:#fff;border-radius:12px;border:1px solid var(--teacher-surface-border);box-shadow:var(--teacher-shadow-md);overflow:hidden}.teacher-inv-form-header{padding:16px 20px;border-bottom:1px solid var(--teacher-surface-border)}.teacher-inv-form-header h3{margin:0;font-size:.92rem;font-weight:600;color:var(--gray-900)}.teacher-inv-form-header p{margin:4px 0 0;font-size:.76rem;color:var(--gray-500)}.teacher-inv-form-body{padding:20px}.teacher-inv-banner{border:1px solid #bfdbfe;background:linear-gradient(135deg,#eff6ff,#f8fbff);border-radius:10px;padding:12px;display:flex;align-items:flex-start;gap:10px;margin-bottom:14px}.teacher-inv-banner-icon{width:26px;height:26px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;background:#dbeafe;color:#1d4ed8;flex-shrink:0}.teacher-inv-banner-title{margin:0;font-size:.8rem;font-weight:700;color:#1e3a8a}.teacher-inv-banner-text{margin:2px 0 0;font-size:.76rem;color:#1d4ed8;line-height:1.4}.teacher-inv-form-grid{display:grid;grid-template-columns:1fr;gap:14px}.teacher-info-note-proto{margin:0 0 16px;padding:10px 12px;border-radius:8px;border:1px solid #bfdbfe;background:#eff6ff;color:#1d4ed8;font-size:.78rem;line-height:1.45;display:flex;align-items:flex-start;gap:8px}.teacher-info-note-icon{width:20px;height:20px;border-radius:6px;background:#dbeafe;color:#1d4ed8;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:1px}.teacher-inv-form-actions{margin-top:14px;display:flex;justify-content:flex-end}.teacher-inv-send-btn{background:linear-gradient(135deg,#2563eb,#1d4ed8)!important;color:#fff!important;border:none!important;box-shadow:0 4px 14px #2563eb73!important;font-weight:600!important}.teacher-inv-send-btn:hover:not(:disabled){background:linear-gradient(135deg,#1d4ed8,#1e40af)!important;box-shadow:0 6px 20px #2563eb80!important;transform:translateY(-1px)}.teacher-inv-send-btn:disabled{opacity:.65}.teacher-actions-cell{position:relative;display:inline-flex;justify-content:flex-end}.teacher-actions-trigger{border:1px solid var(--teacher-surface-border);background:#fff;color:#64748b;border-radius:8px;width:32px;height:28px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s ease}.teacher-actions-trigger:hover{background:#f8fafc;color:#1d4ed8;border-color:#bfdbfe}.teacher-actions-popover{position:absolute;right:0;top:calc(100% + 6px);min-width:142px;z-index:30;border:1px solid var(--teacher-surface-border);border-radius:10px;background:#fff;box-shadow:var(--teacher-shadow-lg);padding:6px;display:flex;flex-direction:column;gap:4px}.teacher-actions-popover-floating{position:fixed;right:auto;z-index:120}.teacher-actions-item{border:none;background:transparent;border-radius:8px;padding:7px 8px;font-size:.75rem;font-weight:600;color:#1e3a8a;display:inline-flex;align-items:center;gap:6px;cursor:pointer;text-align:left}.teacher-actions-item:hover:not(:disabled){background:#eff6ff}.teacher-actions-item.danger{color:#b91c1c}.teacher-actions-item.danger:hover:not(:disabled){background:#fef2f2}.teacher-actions-item:disabled{opacity:.45;cursor:not-allowed}.teacher-inv-edit-modal{max-width:520px}.teacher-user-card-wrap{display:flex;flex-direction:column;gap:8px}.teacher-user-card{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;transition:background .15s ease}.teacher-user-card:hover{background:#ffffffb3}.teacher-user-avatar{width:36px;height:36px;border-radius:999px;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;font-size:.78rem;font-weight:700;color:var(--blue-600);border:1px solid rgba(37,99,235,.15);background:#ffffffe6;flex-shrink:0}.teacher-user-avatar img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.teacher-user-name{color:#14213d;font-size:.82rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.teacher-user-role{color:#5f6c8d;font-size:.72rem;margin-top:1px}.teacher-logout-btn{display:flex;align-items:center;gap:8px;width:100%;border:none;border-radius:8px;padding:9px 12px;background:transparent;color:var(--gray-500);font-size:.82rem;font-weight:500;cursor:pointer;transition:all .15s ease}.teacher-logout-btn:hover{background:#fef2f2;color:var(--red-600)}@media (max-width: 1024px){.teacher-mobile-toggle{display:inline-flex}.teacher-sidebar{transform:translate(-100%)}.teacher-sidebar.is-open{transform:translate(0)}.teacher-main-content{margin-left:0}.teacher-global-header{left:0;padding:0 16px 0 64px}.teacher-main-scroll{padding:calc(var(--teacher-header-height) + 14px) 14px 18px}.teacher-course-cards-grid{grid-template-columns:1fr 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