:root{--primary:#725c00;--primary-container:#ffd000;--on-primary-fixed:#231b00;--primary-fixed-dim:#eec200;--surface:#faf9fd;--surface-low:#f1f0f4;--surface-card:#fff;--on-surface:#1a1b1e;--on-surface-muted:#44474a;--on-surface-subtle:#74777a;--sidebar-bg:#2f3033;--sidebar-text:#f1f0f4;--sidebar-muted:#c4c6ca;--sidebar-hover:#ffffff12;--sidebar-active:#ffd00026;--error:#ba1a1a;--error-container:#ffdad6;--on-error-container:#410002;--tertiary:#006972;--tertiary-container:#9ef0f8;--on-tertiary:#001f23;--amber:#7a5c00;--amber-container:#fff0b3;--on-amber:#261900;--color-attendance:#16a34a;--color-unauthorized:#dc2626;--color-reported:#2563eb;--color-late:#f59e0b;--color-partial:#9333ea;--color-unreported:#eab308;--risk-critical:#dc2626;--risk-high:#ea580c;--risk-moderate:#eab308;--risk-low:#16a34a;--risk-none:#6b7280;--risk-critical-bg:#fee2e2;--risk-high-bg:#ffedd5;--risk-moderate-bg:#fef3c7;--risk-low-bg:#dcfce7;--risk-none-bg:#f3f4f6;--chart-grid:#1a1b1e0f;--sidebar-width:240px;--radius-sm:4px;--radius-md:8px;--radius-pill:9999px;--shadow-ambient:0 2px 16px #1a1b1e0a;--shadow-float:0 4px 24px #1a1b1e14}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--surface);color:var(--on-surface);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5}.app-shell{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-width);background:var(--sidebar-bg);flex-direction:column;flex-shrink:0;height:100vh;padding:0 0 24px;display:flex;position:sticky;top:0;overflow-y:auto}.sidebar-logo{border-bottom:none;padding:28px 20px 24px}.sidebar-logo-mark{color:var(--primary-container);letter-spacing:-.02em;font-family:Viga,sans-serif;font-size:1.5rem;line-height:1}.sidebar-logo-sub{letter-spacing:.12em;text-transform:uppercase;color:var(--sidebar-muted);margin-top:4px;font-size:.6rem;font-weight:600}.sidebar-section-label{letter-spacing:.1em;text-transform:uppercase;color:var(--sidebar-muted);padding:20px 20px 8px;font-size:.6rem;font-weight:700}.sidebar-school-btn{cursor:pointer;text-align:left;background:0 0;border:none;border-radius:0;align-items:center;gap:10px;width:100%;padding:9px 20px;transition:background .12s;display:flex}.sidebar-school-btn:hover{background:var(--sidebar-hover)}.sidebar-school-btn.active{background:var(--sidebar-active)}.sidebar-school-dot{background:var(--sidebar-muted);border-radius:50%;flex-shrink:0;width:6px;height:6px}.sidebar-school-btn.active .sidebar-school-dot{background:var(--primary-container)}.sidebar-school-name{color:var(--sidebar-text);flex:1;font-size:.8rem;font-weight:500;line-height:1.3}.sidebar-school-badge{letter-spacing:.06em;color:var(--sidebar-muted);border-radius:var(--radius-pill);background:#ffffff14;padding:2px 6px;font-size:.55rem;font-weight:700}.sidebar-school-btn.active .sidebar-school-badge{color:var(--on-primary-fixed);background:var(--primary-container)}.sidebar-nav{flex-direction:column;gap:2px;margin-top:24px;padding:0 12px;display:flex}.sidebar-nav-btn{cursor:pointer;border-radius:var(--radius-sm);text-align:left;background:0 0;border:none;align-items:center;gap:10px;width:100%;padding:9px 12px;transition:background .12s;display:flex}.sidebar-nav-btn:hover{background:var(--sidebar-hover)}.sidebar-nav-btn.active{background:var(--sidebar-active)}.sidebar-nav-icon{text-align:center;opacity:.7;flex-shrink:0;width:18px;font-size:.9rem}.sidebar-nav-btn.active .sidebar-nav-icon{opacity:1}.sidebar-nav-label{color:var(--sidebar-muted);font-size:.825rem;font-weight:500;transition:color .12s}.sidebar-nav-btn.active .sidebar-nav-label,.sidebar-nav-btn:hover .sidebar-nav-label{color:var(--sidebar-text)}.sidebar-nav-btn.active .sidebar-nav-label{color:var(--primary-container);font-weight:600}.main-content{background:var(--surface);flex:1;min-width:0}.main-header{justify-content:space-between;align-items:center;margin-bottom:8px;padding:28px 32px 0;display:flex}.main-header-left h1{color:var(--on-surface);letter-spacing:-.01em;font-family:Viga,sans-serif;font-size:2rem;line-height:1.1}.main-header-left .subtitle{color:var(--on-surface-subtle);letter-spacing:.02em;margin-top:4px;font-size:.8rem}.main-header-right{align-items:center;gap:12px;display:flex}.main-header .sync-info{color:var(--on-surface-subtle);text-align:right;letter-spacing:.03em;font-size:.7rem}.main-body{padding:24px 32px 48px}.app{min-height:100vh;display:flex}.card{background:var(--surface-card);border-radius:var(--radius-md);box-shadow:var(--shadow-ambient);padding:24px}.card h2{letter-spacing:.08em;text-transform:uppercase;color:var(--on-surface-subtle);align-items:center;gap:8px;margin-bottom:20px;font-family:Inter,sans-serif;font-size:.75rem;font-weight:700;display:flex}.summary-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:24px;display:grid}.summary-card{background:var(--surface-card);border-radius:var(--radius-md);box-shadow:var(--shadow-ambient);padding:20px 20px 16px;position:relative;overflow:hidden}.summary-card:before{content:"";background:var(--surface-low);border-radius:var(--radius-md) var(--radius-md) 0 0;height:3px;position:absolute;top:0;left:0;right:0}.summary-card.critical:before{background:var(--risk-critical)}.summary-card.high:before{background:var(--risk-high)}.summary-card.moderate:before{background:var(--risk-moderate)}.summary-card.low:before{background:var(--risk-low)}.summary-card .number{color:var(--on-surface);font-family:Viga,sans-serif;font-size:2.25rem;line-height:1}.summary-card.critical .number{color:var(--risk-critical)}.summary-card.high .number{color:var(--risk-high)}.summary-card.moderate .number{color:var(--risk-moderate)}.summary-card.low .number{color:var(--risk-low)}.summary-card .label{letter-spacing:.05em;text-transform:uppercase;color:var(--on-surface-subtle);margin-top:8px;font-size:.6875rem;font-weight:600}table{border-collapse:collapse;width:100%;font-size:.875rem}th{text-align:left;letter-spacing:.08em;text-transform:uppercase;color:var(--on-surface-subtle);white-space:nowrap;cursor:pointer;background:var(--surface);padding:10px 12px;font-size:.6875rem;font-weight:700}td{color:var(--on-surface);padding:10px 12px}tr{border-bottom:none}tbody tr:hover td{background:var(--surface-low)}tr.clickable{cursor:pointer}tbody tr+tr td{box-shadow:inset 0 1px #1a1b1e0d}.risk-badge{border-radius:var(--radius-pill);letter-spacing:.02em;white-space:nowrap;align-items:center;gap:4px;padding:3px 10px;font-size:.6875rem;font-weight:600;display:inline-flex}.risk-badge.critical{background:var(--risk-critical-bg);color:var(--risk-critical)}.risk-badge.high{background:var(--risk-high-bg);color:var(--risk-high)}.risk-badge.moderate{background:var(--risk-moderate-bg);color:#92400e}.risk-badge.low{background:var(--risk-low-bg);color:#166534}.risk-badge.none{background:var(--risk-none-bg);color:var(--risk-none)}.filters{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:20px;display:flex}.filters select,.filters input{background:var(--surface-low);border-radius:var(--radius-sm) var(--radius-sm) 0 0;color:var(--on-surface);cursor:pointer;appearance:auto;border:none;border-bottom:2px solid #0000;outline:none;padding:7px 12px;font-family:Inter,sans-serif;font-size:.875rem;transition:border-color .15s}.filters select:focus,.filters input:focus{border-bottom-color:var(--primary-container);background:var(--surface-card)}.spinner-container{color:var(--on-surface-subtle);justify-content:center;align-items:center;padding:64px;display:flex}.spinner{border:2px solid var(--surface-low);border-top-color:var(--primary-container);border-radius:50%;width:24px;height:24px;margin-right:12px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;color:var(--on-surface-subtle);padding:56px 24px;font-size:.875rem}.modal-overlay{z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#1a1b1e73;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--surface-card);width:90%;max-width:640px;max-height:80vh;box-shadow:var(--shadow-float);border-radius:12px;padding:32px;overflow-y:auto}.modal h2{color:var(--on-surface);margin-bottom:16px;font-family:Viga,sans-serif;font-size:1.25rem}.modal h3{color:var(--on-surface);margin:16px 0 8px;font-size:.875rem;font-weight:600}.modal p{color:var(--on-surface-muted);margin-bottom:8px;font-size:.85rem}.modal .source{color:var(--on-surface-subtle);padding:6px 0;font-size:.75rem}.modal .close-btn{float:right;cursor:pointer;color:var(--on-surface-subtle);background:0 0;border:none;font-size:1.2rem}.modal .close-btn:hover{color:var(--on-surface)}.info-btn{cursor:pointer;width:22px;height:22px;color:var(--on-surface-subtle);background:0 0;background:var(--surface-low);border:none;border-radius:50%;justify-content:center;align-items:center;font-size:.75rem;transition:background .15s;display:inline-flex}.info-btn:hover{background:var(--surface);color:var(--on-surface)}.back-btn{color:var(--primary);cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;margin-bottom:20px;font-size:.875rem;font-weight:500;display:flex}.back-btn:hover{color:var(--on-primary-fixed)}.student-header{align-items:center;gap:16px;margin-bottom:28px;display:flex}.student-header h2{color:var(--on-surface);letter-spacing:-.01em;margin:0;font-family:Viga,sans-serif;font-size:1.75rem}.chart-container{width:100%;height:250px}.view-toggle{background:var(--surface-low);border-radius:var(--radius-sm);gap:2px;padding:2px;display:inline-flex}.view-toggle button{cursor:pointer;color:var(--on-surface-subtle);border-radius:var(--radius-sm);background:0 0;border:none;padding:4px 14px;font-family:Inter,sans-serif;font-size:.75rem;font-weight:500;transition:all .15s}.view-toggle button:hover{color:var(--on-surface)}.view-toggle button.active{background:var(--primary-container);color:var(--on-primary-fixed);font-weight:600}.btn-primary{background:var(--primary-container);color:var(--on-primary-fixed);border-radius:var(--radius-sm);cursor:pointer;border:none;padding:9px 20px;font-family:Inter,sans-serif;font-size:.875rem;font-weight:600;transition:background .15s}.btn-primary:hover{background:var(--primary-fixed-dim)}.breakdown-bar-container{margin-top:8px}.breakdown-bar{border-radius:var(--radius-pill);background:var(--surface-low);width:100%;height:10px;display:flex;overflow:hidden}.breakdown-segment{min-width:2px;height:100%}.breakdown-segment.unauthorized{background:var(--color-unauthorized)}.breakdown-segment.reported{background:var(--color-reported)}.breakdown-segment.late{background:var(--color-late)}.breakdown-legend{color:var(--on-surface-muted);flex-wrap:wrap;gap:16px;margin-top:10px;font-size:.75rem;display:flex}.legend-item{align-items:center;gap:5px;display:flex}.legend-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px;display:inline-block}.legend-dot.attendance{background:var(--color-attendance)}.legend-dot.unauthorized{background:var(--color-unauthorized)}.legend-dot.reported{background:var(--color-reported)}.legend-dot.late{background:var(--color-late)}table.sortable th.sortable-th{cursor:pointer;-webkit-user-select:none;user-select:none}table.sortable th.sortable-th:hover{color:var(--on-surface);background:var(--surface-low)}.sort-indicator{color:var(--on-surface-subtle);margin-left:2px;font-size:.65rem}th.sort-active .sort-indicator{color:var(--primary)}.risk-info-btn{background:var(--surface-low);width:18px;height:18px;color:var(--on-surface-subtle);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:.65rem;font-weight:700;display:flex;position:absolute;top:8px;right:8px}.risk-info-btn:hover{background:var(--surface);color:var(--on-surface)}.risk-info-popup{z-index:50;background:var(--surface-card);border-radius:var(--radius-md);color:var(--on-surface-muted);box-shadow:var(--shadow-float);width:max-content;min-width:260px;max-width:340px;padding:14px;font-size:.8rem;line-height:1.5;position:absolute;top:calc(100% + 8px);left:0;right:0}.risk-info-popup em{color:var(--on-surface-subtle)}.risk-info-source{color:var(--on-surface-subtle);margin-top:8px;font-size:.7rem;display:block}.class-students-dropdown{background:var(--surface-low);padding:8px 12px 12px 48px}.class-students-table{width:100%;font-size:.8rem}.class-students-table th{color:var(--on-surface-subtle);background:var(--surface-low);padding:4px 8px;font-size:.65rem}.class-students-table td{padding:4px 8px}.class-students-table tr.clickable:hover td{background:var(--primary-container);color:var(--on-primary-fixed)}.schedule-container{font-size:.75rem;overflow-x:auto}.schedule-legend{color:var(--on-surface-muted);flex-wrap:wrap;gap:12px;margin-bottom:12px;font-size:.75rem;display:flex}.schedule-legend-item{align-items:center;gap:4px;display:flex}.schedule-legend-dot{border-radius:2px;flex-shrink:0;width:10px;height:10px;display:inline-block}.schedule-header{grid-template-columns:40px repeat(5,1fr);gap:2px;margin-bottom:2px;display:grid}.schedule-day-header{text-align:center;color:var(--on-surface-subtle);padding:4px 0;font-size:.75rem;font-weight:600}.schedule-time-row{grid-template-columns:40px repeat(5,1fr);gap:2px;margin-bottom:4px;display:grid}.schedule-day-time-ruler{height:14px;position:relative}.schedule-time-mark{color:var(--on-surface-subtle);white-space:nowrap;font-size:.55rem;position:absolute;transform:translate(-50%)}.schedule-week-row{grid-template-columns:40px repeat(5,1fr);gap:2px;margin-bottom:2px;display:grid}.schedule-week-label{color:var(--on-surface-subtle);justify-content:center;align-items:center;min-width:40px;font-size:.7rem;font-weight:600;display:flex}.schedule-day-cell{background:var(--surface-low);border-radius:2px;height:28px;position:relative;overflow:hidden}.schedule-block{cursor:default;opacity:.9;z-index:1;border-radius:2px;justify-content:center;align-items:center;transition:opacity .15s;display:flex;position:absolute;top:2px;bottom:2px}.schedule-block:hover{opacity:1;z-index:2;box-shadow:var(--shadow-ambient)}.schedule-block-split{cursor:default;z-index:1;position:absolute;top:2px;bottom:2px}.schedule-block-split:hover{z-index:2}.schedule-block-split:hover .schedule-block{opacity:1;box-shadow:var(--shadow-ambient)}.schedule-block-split .schedule-block{position:absolute;top:0;bottom:0}.schedule-block-split .schedule-block-text{z-index:1;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.schedule-block-text{color:#fff;text-shadow:0 0 3px #0006;text-overflow:ellipsis;white-space:nowrap;padding:0 2px;font-size:.5rem;font-weight:500;overflow:hidden}.time-range-selector{align-items:center;gap:8px;font-size:.85rem;display:flex}.time-range-selector select,.time-range-selector input[type=date]{background:var(--surface-low);border-radius:var(--radius-sm) var(--radius-sm) 0 0;color:var(--on-surface);border:none;border-bottom:2px solid #0000;outline:none;padding:6px 10px;font-family:Inter,sans-serif;font-size:.8rem;transition:border-color .15s}.time-range-selector select:focus,.time-range-selector input:focus{border-bottom-color:var(--primary-container)}.time-range-selector .date-range-label{color:var(--on-surface-subtle);font-size:.75rem}.two-col{grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px;display:grid}@media (width<=900px){.two-col{grid-template-columns:1fr}}@media print{.sidebar,.filters,.back-btn,.info-btn,.risk-info-btn,.risk-info-popup,.time-range-selector{display:none!important}.card{box-shadow:none}body{background:#fff}.summary-grid{grid-template-columns:repeat(5,1fr)}.main-body{padding:12px}}