:root{--color-background:#e6ebff;--color-surface:#fff;--color-primary:#2d5bff;--color-primary-dark:#1a53ff;--color-primary-soft:#edf0ff;--color-text:#333;--color-text-muted:#757575;--color-border:#d8dff0;--color-border-strong:#c5cee8;--color-danger:#e53935;--color-danger-soft:#ffebee;--color-accent-teal:#2ec4b6;--color-accent-teal-soft:#e6faf8;--color-accent-peach:#ff9f6b;--color-accent-purple:#8b7cf6;--color-white:#fff;--color-shadow:#2d5bff1f}*,:before,:after{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:var(--color-background);color:var(--color-text);-webkit-font-smoothing:antialiased;font-family:Poppins,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}#root{min-height:100dvh}button,input{font-family:inherit}.app-toast{bottom:max(24px, env(safe-area-inset-bottom));z-index:9999;text-align:center;max-width:min(420px,100vw - 32px);color:var(--color-white);border-radius:16px;padding:12px 18px;font-size:14px;font-weight:600;animation:.2s 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auto;overflow:hidden}.id-preview__iframe{border:none;width:100%;height:100%;min-height:220px;display:block}.id-preview__loading{min-height:220px;color:var(--color-text-muted);justify-content:center;align-items:center;font-weight:600;display:flex}.id-card-tab{flex-direction:column;gap:14px;display:flex}.id-card-tab__empty{background:var(--color-surface);box-shadow:0 8px 18px var(--color-shadow);border-radius:20px;padding:24px}.id-card-tab__empty h2{color:var(--color-primary-dark);margin:0 0 8px;font-size:17px;font-weight:800}.id-card-tab__empty p{color:var(--color-text-muted);margin:0;font-size:14px;line-height:1.45}.id-card-tab__info{background:var(--color-primary-soft);border-radius:20px;padding:16px}.id-card-tab__info-title{color:var(--color-primary-dark);margin:0 0 6px;font-size:16px;font-weight:800}.id-card-tab__info p{color:var(--color-text-muted);margin:0;font-size:13px;line-height:1.45}.id-card-tab__actions{flex-direction:column;gap:10px;display:flex}.id-card-tab__list-title{color:var(--color-text);margin:4px 0 0;font-size:15px;font-weight:800}.id-card-tab__list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.id-card-tab__row{background:var(--color-surface);border:1px solid var(--color-border);border-radius:16px;align-items:center;gap:10px;padding:8px 8px 8px 12px;display:flex}.id-card-tab__row--active{border-color:var(--color-primary);background:var(--color-primary-soft)}.id-card-tab__row-main{text-align:left;cursor:pointer;background:0 0;border:none;flex:1;min-width:0;padding:4px 0;font-family:inherit}.id-card-tab__row-name{color:var(--color-text);font-size:14px;font-weight:700;display:block}.id-card-tab__row-meta{color:var(--color-text-muted);margin-top:2px;font-size:11px;display:block}.id-card-tab__row .primary-btn{flex-shrink:0;min-height:40px;padding:8px 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p{margin:0;font-size:14px}.data-table__strong{color:var(--color-text);font-weight:800}.data-table__muted{color:var(--color-text-muted);font-size:12px}.data-table__badge--active{color:var(--color-accent-teal);font-size:11px;font-weight:700}.data-table__badge--inactive{color:var(--color-text-muted);font-size:11px;font-weight:700}.data-table__actions{flex-wrap:wrap;gap:6px;display:flex}.data-table__scroll--bordered{box-shadow:none;background:var(--color-surface);border:1px solid #2d5bff1f;border-radius:12px}.data-table--bordered{width:100%}.data-table--bordered th,.data-table--bordered td{border:1px solid #2d5bff1a;padding:14px 16px}.data-table--bordered th{color:var(--color-text);text-transform:none;letter-spacing:0;background:#2d5bff0a;font-size:12px;font-weight:700}.data-table--bordered tbody tr:nth-child(2n){background:#2d5bff05}.data-table--bordered tbody tr:hover{background:#2d5bff0d}.data-table__status-pill{border:1px solid #0000;border-radius:999px;padding:4px 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strong{color:var(--color-primary);font-weight:800}.academics-banner--warn{background:var(--color-accent-peach-soft,#fff0e6);color:#c45a20}.academics-banner--info{background:var(--color-primary-soft);color:var(--color-text-muted)}.academic-year-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.academic-year-toolbar__title{color:var(--color-primary-dark);margin:0;font-size:18px;font-weight:800}.academic-year-toolbar__actions{flex-wrap:wrap;gap:8px;display:flex}.time-field__trigger{text-align:left;cursor:pointer;width:100%}.time-field__backdrop{z-index:1000;background:#0006;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.time-field__sheet{background:var(--color-surface);width:100%;max-width:480px;padding-bottom:max(24px, env(safe-area-inset-bottom));box-shadow:0 -8px 32px var(--color-shadow);border-top-left-radius:20px;border-top-right-radius:20px}.time-field__toolbar{border-bottom:1px solid var(--color-border-strong);justify-content:space-between;align-items:center;padding:14px 20px;display:flex}.time-field__toolbar-title{color:var(--color-text);font-size:15px;font-weight:700}.time-field__toolbar-btn{color:var(--color-text-muted);cursor:pointer;background:0 0;border:none;padding:4px 8px;font-family:inherit;font-size:16px;font-weight:600}.time-field__toolbar-btn--done{color:var(--color-primary);font-weight:700}.time-field__pickers{gap:10px;padding:20px;display:flex}.time-field__select{box-sizing:border-box;appearance:none;background:var(--color-surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%232d5bff' d='M1 1l5 5 5-5'/%3E%3C/svg%3E") no-repeat right 14px center;border:1px solid var(--color-border-strong);color:var(--color-text);cursor:pointer;text-align:center;border-radius:14px;flex:1;padding:13px 36px 13px 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0;font-size:11px;font-weight:600}.qr-scan__close{width:36px;height:36px;color:var(--color-white);cursor:pointer;background:#ffffff26;border:none;border-radius:18px;justify-content:center;align-items:center;display:flex}.qr-scan__camera-wrap{background:#000;border-radius:20px;flex:1;min-height:280px;margin:8px 16px 0;position:relative;overflow:hidden}.qr-scan__reader{width:100%;height:100%;min-height:280px}.qr-scan__reader video{object-fit:cover!important}.qr-scan__frame{pointer-events:none;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.qr-scan__frame:after{content:"";aspect-ratio:1;border:3px solid var(--color-primary);border-radius:16px;width:62%;max-width:280px;box-shadow:0 0 0 9999px #00000059}.qr-scan__error{color:#fff;text-align:center;background:#dc2626e6;border-radius:12px;margin:0;padding:10px 12px;font-size:13px;font-weight:600;position:absolute;bottom:12px;left:12px;right:12px}.qr-scan__hint{text-align:center;color:#fff;margin:0;padding:14px 16px 6px;font-size:13px;font-weight:600}.qr-scan__tip{padding:0 20px 24px;padding-bottom:max(24px, env(safe-area-inset-bottom));text-align:center;color:#ffffffa6;margin:0;font-size:11px;font-weight:600}.take-attendance{flex-direction:column;gap:14px;padding-bottom:24px;display:flex}.take-attendance__date-row,.take-attendance__time-row{color:var(--color-primary);align-items:center;gap:8px;display:flex}.take-attendance__time-row{color:var(--color-accent-teal);margin-top:4px}.take-attendance__date-label{color:var(--color-text-muted);font-size:13px;font-weight:700}.take-attendance__date-value{color:var(--color-primary-dark);margin:4px 0 0;font-size:20px;font-weight:800}.take-attendance__time-value{color:var(--color-text);font-size:16px;font-weight:700}.take-attendance__hint{color:var(--color-text-muted);margin:8px 0 0;font-size:12px;line-height:1.45}.take-attendance__action{background:var(--color-primary-soft);border-radius:22px;flex-direction:column;gap:12px;padding:18px;display:flex}.take-attendance__action-title{color:var(--color-primary-dark);margin:0;font-size:18px;font-weight:800}.take-attendance__action-sub{color:var(--color-text-muted);margin:0;font-size:13px;line-height:1.45}.take-attendance__result{border:1px solid;border-radius:18px;gap:12px;padding:16px;display:flex}.take-attendance__result--ok{background:var(--color-accent-teal-soft,#14b8a61f);border-color:var(--color-accent-teal);color:var(--color-accent-teal)}.take-attendance__result--err{background:var(--color-danger-soft);border-color:var(--color-danger);color:var(--color-danger)}.take-attendance__result-title{color:var(--color-text);margin:0;font-size:15px;font-weight:800}.take-attendance__result-meta{color:var(--color-text-muted);margin:4px 0 0;font-size:12px}.records-tab{flex-direction:column;gap:14px;padding-bottom:28px;display:flex}.records-tab__filter-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:4px;display:flex}.records-tab__filter-title{color:var(--color-primary-dark);flex:1;margin:0;font-size:16px;font-weight:800}.records-tab__clear-actions{flex-wrap:wrap;gap:8px;display:flex}.records-tab__clear{cursor:pointer;border:1px solid;border-radius:999px;padding:7px 12px;font-family:inherit;font-size:11px;font-weight:800}.records-tab__clear:disabled{opacity:.6;cursor:not-allowed}.records-tab__clear--day{background:var(--color-primary-soft);border-color:var(--color-border-strong);color:var(--color-primary)}.records-tab__clear--all{background:var(--color-danger-soft);color:var(--color-danger);border-color:#ffcdd2}.records-tab__filter-hint{color:var(--color-text-muted);margin:0;font-size:12px}.records-tab__analysis-title{color:var(--color-text);margin:0 0 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th{background:var(--color-primary);color:var(--color-white);text-transform:uppercase;letter-spacing:.03em;text-align:center;white-space:nowrap;padding:10px 8px;font-size:10px;font-weight:800}.reports-table th:first-child{text-align:left}.reports-table td{border-bottom:1px solid var(--color-border);text-align:center;color:var(--color-text);padding:10px 8px}.reports-table td:first-child{text-align:left}.reports-table tbody tr:nth-child(2n){background:#ffffffa6}.reports-table__name{min-width:120px;font-weight:700}.reports-table__mono{color:var(--color-text-muted);min-width:90px;font-family:ui-monospace,monospace;font-size:10px}.reports-table__num{font-variant-numeric:tabular-nums}.reports-table__missed{color:var(--color-danger);font-weight:700}.reports-pct{font-weight:800}.reports-pct--high{color:var(--color-accent-teal)}.reports-pct--good{color:var(--color-primary)}.reports-pct--mid{color:#e88b4a}.reports-pct--low{color:var(--color-danger)}.app-loading{background:var(--color-background);min-height:100dvh;color:var(--color-primary);flex-direction:column;justify-content:center;align-items:center;gap:12px;font-weight:600;display:flex}.app-loading__spinner{border:3px solid var(--color-primary-soft);border-top-color:var(--color-primary);border-radius:50%;width:36px;height:36px;animation:.7s linear infinite app-loading-spin}@keyframes app-loading-spin{to{transform:rotate(360deg)}}