:root{
  --navy:#0b3f7c;--navy-2:#0e55a0;--blue:#166cd6;--blue-2:#3b82f6;--blue-50:#edf5ff;
  --gold:#f4a900;--gold-2:#ffbd2e;--green:#1aa56b;--red:#df4b4b;--orange:#f08b27;--purple:#7257d9;
  --ink:#17233b;--muted:#6d7890;--line:#e5eaf2;--bg:#f5f8fc;--card:#fff;--shadow:0 10px 30px rgba(25,54,90,.08);
  --sidebar:244px;--topbar:68px;--radius:16px;
}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,"Noto Sans TC","PingFang TC","Microsoft JhengHei",Arial,sans-serif;color:var(--ink);background:var(--bg)}body{overflow-x:hidden}
button,input,select,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}
.app-shell{min-height:100vh}.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar);background:#fff;border-right:1px solid var(--line);padding:18px 14px;z-index:30;display:flex;flex-direction:column;transition:.25s ease}.brand-block{height:72px;display:flex;align-items:center;gap:8px;padding:0 7px 12px}.brand-logo{width:177px;max-height:57px;object-fit:contain;object-position:left center}.prototype-pill{display:inline-flex;align-items:center;border-radius:999px;background:#e8f1ff;color:#145dad;padding:5px 9px;font-weight:800;font-size:10px;letter-spacing:.08em}.prototype-pill.small{position:absolute;left:149px;top:47px;padding:3px 6px;font-size:8px}.main-nav{display:flex;flex-direction:column;gap:5px;overflow:auto;padding:8px 0}.nav-group-label{font-size:10px;color:#9aa4b5;font-weight:800;letter-spacing:.12em;padding:15px 12px 6px}.nav-item{border:0;background:transparent;border-radius:11px;min-height:44px;display:flex;align-items:center;gap:12px;padding:0 13px;color:#5f6b82;text-align:left;font-weight:650;transition:.18s}.nav-item:hover{background:#f3f7fc;color:var(--navy)}.nav-item.active{background:linear-gradient(90deg,#e6f0ff,#f3f8ff);color:var(--blue);box-shadow:inset 3px 0 0 var(--blue)}.nav-icon{width:24px;height:24px;display:grid;place-items:center;font-size:18px}.nav-badge{margin-left:auto;background:#fff1d0;color:#af6a00;border-radius:99px;padding:2px 7px;font-size:11px;font-weight:800}.sidebar-footer{margin-top:auto}.sidebar-help{width:100%;border:1px solid var(--line);background:#f8fbff;border-radius:13px;padding:10px;display:flex;align-items:center;gap:10px;text-align:left;color:var(--ink)}.sidebar-help small{display:block;color:var(--muted);margin-top:2px}.icon-circle{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:white;font-weight:900}.storage-card{margin:12px 4px 0;background:#0e4c8f;color:#fff;border-radius:14px;padding:12px;font-size:11px}.storage-card strong{display:block;margin:4px 0 8px}.progress{height:5px;border-radius:5px;background:rgba(255,255,255,.25);overflow:hidden}.progress i{display:block;height:100%;background:var(--gold);border-radius:5px}.main-area{margin-left:var(--sidebar);min-height:100vh}.topbar{height:var(--topbar);background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:20}.topbar-left,.topbar-right{display:flex;align-items:center;gap:10px}.global-search{width:min(430px,40vw);height:42px;border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;gap:10px;padding:0 12px;background:#f9fbfd;color:#8a95a6}.global-search input{border:0;outline:0;background:transparent;flex:1;min-width:0}.global-search kbd{font-size:11px;border:1px solid #d8dee8;border-bottom-width:2px;border-radius:6px;padding:2px 6px;color:#8a95a6;background:white}.icon-btn,.compact-select,.user-menu{height:42px;border:1px solid var(--line);background:#fff;border-radius:11px}.icon-btn{min-width:42px;padding:0 11px;color:#526078;font-weight:800}.with-dot{position:relative}.with-dot i{position:absolute;width:7px;height:7px;background:var(--red);border-radius:50%;right:8px;top:7px;border:2px solid white}.compact-select{padding:0 10px;color:#4d596f}.user-menu{display:flex;align-items:center;gap:9px;padding:0 9px;border:0;background:transparent}.avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#196bd2,#0c3c76);display:grid;place-items:center;color:#fff;font-weight:800;font-size:12px}.user-copy{text-align:left}.user-copy strong,.user-copy small{display:block}.user-copy small{color:var(--muted);font-size:11px;margin-top:2px}.page-content{padding:24px;max-width:1700px;margin:0 auto;outline:none}.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:22px}.page-header h1{margin:0 0 7px;font-size:28px;letter-spacing:-.02em}.page-header p{margin:0;color:var(--muted)}.header-actions,.toolbar,.segmented{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.primary-btn,.secondary-btn,.ghost-btn,.danger-btn,.success-btn{height:42px;border-radius:11px;padding:0 16px;font-weight:750;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:7px}.primary-btn{background:linear-gradient(135deg,var(--navy-2),var(--blue));color:white;box-shadow:0 8px 18px rgba(22,108,214,.22)}.primary-btn:hover{filter:brightness(.98);transform:translateY(-1px)}.secondary-btn{background:#fff;color:var(--navy);border-color:#cfd8e6}.ghost-btn{background:transparent;color:#5b6780}.danger-btn{background:#fff1f1;color:#bd3434;border-color:#ffd5d5}.success-btn{background:#eaf9f2;color:#087d4a;border-color:#c8efdc}.full{width:100%}.icon-text{font-size:16px}.grid{display:grid;gap:16px}.kpi-grid{grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:16px}.kpi-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:17px 18px;box-shadow:var(--shadow);position:relative;overflow:hidden}.kpi-card:after{content:"";position:absolute;width:80px;height:80px;border-radius:50%;right:-25px;top:-30px;background:var(--tint,#eef5ff)}.kpi-top{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:13px;position:relative;z-index:1}.kpi-icon{width:34px;height:34px;border-radius:11px;background:var(--tint,#eef5ff);color:var(--tone,var(--blue));display:grid;place-items:center;font-size:17px}.kpi-value{font-size:28px;font-weight:850;margin:10px 0 5px;letter-spacing:-.03em;position:relative;z-index:1}.kpi-bottom{display:flex;gap:7px;align-items:center;color:var(--muted);font-size:12px;position:relative;z-index:1}.trend-up{color:var(--green);font-weight:800}.trend-down{color:var(--red);font-weight:800}.dashboard-grid{grid-template-columns:1.45fr .9fr}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.card-header{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-bottom:16px}.card-header h2,.card-header h3{margin:0;font-size:17px}.card-header small{color:var(--muted)}.chart-area{height:245px;position:relative}.svg-chart{width:100%;height:100%;overflow:visible}.chart-gridline{stroke:#e9edf4;stroke-width:1}.chart-line{fill:none;stroke:var(--blue);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.chart-area-fill{fill:url(#areaGrad)}.chart-point{fill:white;stroke:var(--blue);stroke-width:3}.chart-label{fill:#8792a6;font-size:11px}.legend{display:flex;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:12px}.legend i{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px}.donut-wrap{display:flex;align-items:center;justify-content:center;gap:24px;min-height:245px}.donut{width:154px;height:154px;border-radius:50%;background:conic-gradient(var(--green) 0 64%,var(--blue) 64% 89%,var(--red) 89% 100%);position:relative}.donut:after{content:"";position:absolute;inset:28px;border-radius:50%;background:#fff}.donut-center{position:absolute;inset:0;display:grid;place-content:center;text-align:center;z-index:1}.donut-center strong{font-size:23px}.donut-center span{font-size:11px;color:var(--muted)}.donut-legend{display:grid;gap:13px}.donut-legend div{display:flex;align-items:center;gap:9px}.dot{width:10px;height:10px;border-radius:50%}.split-grid{grid-template-columns:1fr 1fr;margin-top:16px}.list{display:grid;gap:2px}.list-item{display:flex;align-items:center;gap:12px;padding:12px;border-radius:11px}.list-item:hover{background:#f7f9fc}.list-item .meta{margin-left:auto;text-align:right}.list-item strong,.list-item small{display:block}.list-item small{color:var(--muted);margin-top:3px}.mini-avatar{width:36px;height:36px;border-radius:11px;background:#eaf2ff;color:var(--blue);display:grid;place-items:center;font-weight:800;flex:0 0 auto}.status{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:4px 9px;font-size:11px;font-weight:800;white-space:nowrap}.status.green{background:#e8f8f0;color:#087d4a}.status.red{background:#fff0f0;color:#bc3434}.status.orange{background:#fff5e7;color:#b96a00}.status.blue{background:#eaf3ff;color:#115eb5}.status.gray{background:#f0f2f5;color:#687386}.status.purple{background:#f1edff;color:#6248bf}.filters-card{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px;margin-bottom:14px;flex-wrap:wrap}.search-field{height:40px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;gap:8px;padding:0 11px;min-width:240px;background:#fbfcfe}.search-field input{border:0;outline:0;background:transparent;min-width:0;flex:1}.field,.field select,.field input,.field textarea,.simple-input{width:100%}.field{display:grid;gap:7px}.field>span{font-size:12px;color:#5f6c82;font-weight:700}.field input,.field select,.field textarea,.simple-input{border:1px solid #dfe5ee;border-radius:10px;min-height:42px;padding:9px 11px;background:#fff;outline:none;color:var(--ink)}.field textarea{min-height:92px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus,.simple-input:focus{border-color:#80b3ef;box-shadow:0 0 0 3px #eaf4ff}.filter-select{height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;padding:0 10px;color:#59657c}.table-card{padding:0;overflow:hidden}.table-wrap{overflow:auto}.data-table{width:100%;border-collapse:collapse;min-width:860px}.data-table th{font-size:11px;letter-spacing:.04em;color:#8792a5;text-align:left;background:#f8fafc;padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap}.data-table td{padding:13px 14px;border-bottom:1px solid #edf0f5;vertical-align:middle;font-size:13px}.data-table tbody tr:hover{background:#fbfdff}.data-table tbody tr:last-child td{border-bottom:0}.student-cell{display:flex;align-items:center;gap:10px}.student-cell strong,.student-cell small{display:block}.student-cell small{color:var(--muted);margin-top:2px}.row-actions{display:flex;gap:6px}.small-btn{height:32px;border:1px solid var(--line);background:#fff;border-radius:8px;padding:0 9px;color:#58657d;font-weight:700}.pagination{display:flex;align-items:center;justify-content:space-between;padding:13px 15px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}.pagination-buttons{display:flex;gap:5px}.pagination-buttons button{width:32px;height:32px;border:1px solid var(--line);background:white;border-radius:8px}.pagination-buttons button.active{background:var(--blue);color:white;border-color:var(--blue)}.course-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.course-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:16px;box-shadow:var(--shadow)}.course-banner{height:84px;border-radius:12px;background:linear-gradient(135deg,var(--course-a,#e9f3ff),var(--course-b,#f9fcff));padding:14px;display:flex;justify-content:space-between;overflow:hidden;position:relative}.course-banner:after{content:"";width:95px;height:95px;border-radius:50%;background:rgba(255,255,255,.45);position:absolute;right:-20px;bottom:-45px}.course-banner .subject-icon{width:38px;height:38px;border-radius:11px;background:#fff;display:grid;place-items:center;font-size:20px;box-shadow:0 5px 15px rgba(30,72,120,.1)}.course-card h3{margin:13px 0 5px;font-size:17px}.course-card p{color:var(--muted);font-size:12px;margin:0 0 14px}.course-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.course-metrics div{background:#f7f9fc;border-radius:9px;padding:9px;text-align:center}.course-metrics strong,.course-metrics span{display:block}.course-metrics span{font-size:10px;color:var(--muted);margin-top:3px}.course-footer{display:flex;justify-content:space-between;align-items:center;margin-top:13px}.calendar-shell{display:grid;grid-template-columns:76px repeat(6,minmax(140px,1fr));overflow:auto;border:1px solid var(--line);border-radius:14px;background:#fff;min-height:690px}.calendar-cell,.calendar-head,.calendar-time{border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:74px;position:relative}.calendar-head{min-height:58px;padding:10px;text-align:center;position:sticky;top:0;background:#fff;z-index:3}.calendar-head strong,.calendar-head small{display:block}.calendar-head small{color:var(--muted);margin-top:3px}.calendar-time{padding:8px;color:#7c8799;font-size:11px;text-align:center;background:#fafbfd}.calendar-cell{padding:5px;background:linear-gradient(180deg,#fff,#fefefe)}.calendar-cell.drag-over{background:#edf6ff}.class-event{border-left:4px solid var(--event,#3181e8);background:var(--event-bg,#eaf4ff);border-radius:9px;padding:8px;font-size:11px;box-shadow:0 4px 10px rgba(35,74,120,.09);cursor:grab;min-height:60px}.class-event strong,.class-event span{display:block}.class-event span{color:#607089;margin-top:4px}.class-event .event-cap{margin-top:7px;font-weight:800;color:var(--event,#3181e8)}.calendar-toolbar{display:flex;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}.segmented{border:1px solid var(--line);background:#fff;border-radius:11px;padding:3px;gap:3px}.segmented button{height:32px;border:0;background:transparent;border-radius:8px;padding:0 12px;color:#67748a;font-weight:700}.segmented button.active{background:#eaf3ff;color:var(--blue)}.attendance-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:16px}.class-picker{display:grid;gap:8px}.class-picker button{border:1px solid var(--line);background:#fff;border-radius:12px;padding:12px;text-align:left}.class-picker button.active{border-color:#86b7ee;background:#eef6ff}.class-picker strong,.class-picker small{display:block}.class-picker small{color:var(--muted);margin-top:4px}.attendance-table{display:grid;gap:8px}.attendance-row{display:grid;grid-template-columns:minmax(180px,1.2fr) repeat(4,minmax(80px,.6fr)) 90px;gap:8px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:10px}.attendance-status{height:34px;border:1px solid var(--line);background:#fff;border-radius:9px;font-weight:700;color:#69758a}.attendance-status.selected.present,.attendance-status.active.present{background:#e8f8f0;color:#087d4a;border-color:#bfe9d5}.attendance-status.selected.late,.attendance-status.active.late{background:#fff3e2;color:#b76c00;border-color:#f3d29f}.attendance-status.selected.absent,.attendance-status.active.absent{background:#fff0f0;color:#bc3434;border-color:#f3c8c8}.attendance-status.selected.makeup,.attendance-status.active.makeup{background:#f0ecff;color:#6045b8;border-color:#d7cdf8}.finance-summary{grid-template-columns:repeat(4,1fr);margin-bottom:16px}.invoice-detail{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}.invoice-paper{background:#fff;border:1px solid var(--line);border-radius:15px;padding:28px}.invoice-head{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:18px}.invoice-head h2{margin:0}.invoice-items{width:100%;border-collapse:collapse;margin-top:20px}.invoice-items th,.invoice-items td{padding:12px 4px;border-bottom:1px solid #edf0f5;text-align:left}.invoice-total{margin-left:auto;width:280px;display:grid;gap:8px;margin-top:20px}.invoice-total div{display:flex;justify-content:space-between}.invoice-total .grand{font-size:18px;font-weight:850;border-top:2px solid var(--ink);padding-top:10px}.report-grid{grid-template-columns:1.2fr .8fr}.bar-chart{height:250px;display:flex;align-items:flex-end;gap:18px;padding:20px 10px 28px;border-bottom:1px solid var(--line);position:relative}.bar-group{flex:1;height:100%;display:flex;align-items:flex-end;justify-content:center;gap:4px;position:relative}.bar{width:18px;border-radius:7px 7px 2px 2px;min-height:3px;background:var(--blue)}.bar.alt{background:#8bc8ef}.bar-label{position:absolute;bottom:-23px;color:#8792a4;font-size:10px}.funnel{display:grid;gap:8px;padding:8px 0}.funnel-row{height:38px;border-radius:9px;background:linear-gradient(90deg,var(--blue),#56a2ef);color:white;padding:0 13px;display:flex;align-items:center;justify-content:space-between;font-size:12px}.staff-grid{grid-template-columns:repeat(3,1fr)}.staff-card{text-align:center}.staff-avatar{width:70px;height:70px;border-radius:50%;background:linear-gradient(135deg,#dcecff,#f1f7ff);color:var(--navy);display:grid;place-items:center;margin:5px auto 12px;font-size:23px;font-weight:850}.staff-card h3{margin:0 0 4px}.staff-card p{margin:0;color:var(--muted);font-size:12px}.staff-stats{display:grid;grid-template-columns:repeat(3,1fr);margin-top:15px;border-top:1px solid var(--line);padding-top:13px}.staff-stats strong,.staff-stats span{display:block}.staff-stats span{font-size:10px;color:var(--muted);margin-top:3px}.notification-layout{display:grid;grid-template-columns:300px 1fr;gap:16px}.template-list{display:grid;gap:7px}.template-item{padding:12px;border:1px solid var(--line);border-radius:11px;background:#fff}.template-item.active{border-color:#7fb5ee;background:#eef6ff}.template-item strong,.template-item small{display:block}.template-item small{color:var(--muted);margin-top:3px}.settings-layout{display:grid;grid-template-columns:230px 1fr;gap:16px}.settings-nav{display:grid;gap:5px}.settings-nav button{text-align:left;height:42px;border:0;border-radius:10px;background:transparent;padding:0 12px;color:#657187;font-weight:700}.settings-nav button.active{background:#eaf3ff;color:var(--blue)}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.form-grid .span-2{grid-column:span 2}.modal-backdrop{position:fixed;inset:0;background:rgba(8,23,44,.47);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:20px;z-index:100}.modal{width:min(640px,100%);max-height:90vh;overflow:auto;background:#fff;border-radius:18px;box-shadow:0 25px 80px rgba(0,0,0,.25)}.modal.large{width:min(920px,100%)}.modal-head{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.modal-head h2{margin:0;font-size:19px}.modal-close{border:0;background:#f2f4f7;border-radius:9px;width:34px;height:34px}.modal-body{padding:20px}.modal-foot{padding:15px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:9px}.drawer-backdrop{position:fixed;inset:0;background:rgba(8,23,44,.28);z-index:89}.drawer{position:fixed;top:0;right:0;bottom:0;width:min(620px,94vw);background:#fff;box-shadow:-20px 0 60px rgba(11,35,64,.18);z-index:90;display:flex;flex-direction:column}.drawer-head{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.drawer-body{padding:20px;overflow:auto}.profile-hero{display:flex;align-items:center;gap:14px;padding:16px;background:linear-gradient(135deg,#eef6ff,#fff7e8);border-radius:14px}.profile-hero .staff-avatar{margin:0;width:64px;height:64px}.profile-hero h2{margin:0 0 4px}.profile-hero p{margin:0;color:var(--muted)}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:18px 0 14px;overflow:auto}.tabs button{border:0;background:transparent;padding:11px 13px;color:#69758b;font-weight:750;white-space:nowrap;border-bottom:2px solid transparent}.tabs button.active{color:var(--blue);border-bottom-color:var(--blue)}.detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.detail-item{padding:12px;background:#f8fafc;border-radius:10px}.detail-item small,.detail-item strong{display:block}.detail-item small{color:var(--muted);margin-bottom:5px}.toast-root{position:fixed;right:20px;bottom:20px;z-index:200;display:grid;gap:10px}.toast{min-width:300px;max-width:420px;background:#132a47;color:#fff;border-radius:13px;padding:13px 15px;box-shadow:0 15px 35px rgba(0,0,0,.22);display:flex;align-items:center;gap:10px;animation:toast-in .25s ease}.toast.success{background:#116b4a}.toast.error{background:#9d3434}@keyframes toast-in{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}.login-shell{position:fixed;inset:0;z-index:300;background:radial-gradient(circle at 80% 10%,#1b67b7 0,#0c447f 28%,#082f5e 75%);display:grid;place-items:center;padding:20px}.login-shell:before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);background-size:24px 24px;opacity:.35}.login-panel{position:relative;width:min(430px,100%);background:white;border-radius:22px;padding:28px;box-shadow:0 30px 90px rgba(0,0,0,.32)}.login-logo{width:245px;height:84px;object-fit:contain;object-position:left}.login-panel h1{font-size:28px;margin:22px 0 7px}.login-panel>p{color:var(--muted);margin:0 0 20px}.login-panel>label{display:grid;gap:7px;font-size:12px;color:#59657a;font-weight:700;margin-bottom:13px}.login-panel input{height:45px;border:1px solid var(--line);border-radius:11px;padding:0 12px;outline:none}.login-row{display:flex;justify-content:space-between;align-items:center;margin:6px 0 16px}.check{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--muted)}.link-btn{border:0;background:transparent;color:var(--blue);font-weight:700}.demo-roles{display:flex;gap:6px;flex-wrap:wrap;margin-top:15px;align-items:center;color:var(--muted);font-size:11px}.demo-roles button{border:1px solid var(--line);background:#fff;border-radius:7px;padding:5px 8px;color:var(--navy)}.parent-shell{max-width:430px;margin:0 auto;background:#f4f7fb;min-height:calc(100vh - var(--topbar) - 48px);border-radius:24px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);position:relative;padding-bottom:72px}.parent-top{background:linear-gradient(145deg,#0b3e79,#1470d4);color:white;padding:20px 18px 62px}.parent-topbar{display:flex;justify-content:space-between;align-items:center}.parent-card{background:#fff;border-radius:15px;padding:15px;box-shadow:0 9px 25px rgba(20,55,90,.1)}.parent-overlap{margin:-43px 14px 13px}.week-row{display:grid;grid-template-columns:repeat(7,1fr);gap:5px;margin-top:12px}.day-dot{text-align:center;font-size:10px;color:var(--muted)}.day-dot i{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#e9f7f0;color:#07814c;font-style:normal;margin:5px auto 0}.day-dot i.late{background:#fff2df;color:#b56b00}.day-dot i.off{background:#f1f3f6;color:#98a1af}.parent-section{padding:0 14px 13px}.parent-section-title{display:flex;justify-content:space-between;align-items:center;margin:15px 1px 9px}.parent-section-title h3{margin:0;font-size:14px}.class-mobile-card{display:flex;gap:12px;align-items:center}.date-tile{width:48px;height:54px;border-radius:11px;background:#eaf3ff;color:var(--blue);display:grid;place-content:center;text-align:center}.date-tile strong{font-size:18px}.date-tile small{font-size:9px}.class-mobile-card .grow{flex:1}.class-mobile-card strong,.class-mobile-card span{display:block}.class-mobile-card span{font-size:11px;color:var(--muted);margin-top:4px}.parent-bottom-nav{position:absolute;bottom:0;left:0;right:0;height:67px;background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);z-index:2}.parent-bottom-nav button{border:0;background:transparent;color:#8690a1;font-size:10px;display:grid;place-content:center;gap:4px}.parent-bottom-nav button b{font-size:18px}.parent-bottom-nav button.active{color:var(--blue)}.mobile-only{display:none}.help-grid{grid-template-columns:repeat(2,1fr)}.help-step{border:1px solid var(--line);border-radius:13px;padding:14px}.help-step span{width:30px;height:30px;border-radius:9px;background:#eaf3ff;color:var(--blue);display:grid;place-items:center;font-weight:850}.help-step h3{font-size:14px;margin:10px 0 5px}.help-step p{font-size:12px;color:var(--muted);margin:0;line-height:1.6}.empty-state{text-align:center;padding:50px 20px;color:var(--muted)}.empty-icon{width:58px;height:58px;border-radius:18px;background:#eef4fb;display:grid;place-items:center;margin:0 auto 12px;font-size:26px;color:var(--blue)}.empty-state h3{color:var(--ink);margin:0 0 6px}.empty-state p{margin:0}
@media(max-width:1180px){.kpi-grid{grid-template-columns:repeat(2,1fr)}.course-grid,.staff-grid{grid-template-columns:repeat(2,1fr)}.dashboard-grid,.report-grid{grid-template-columns:1fr}.attendance-layout,.notification-layout,.settings-layout{grid-template-columns:1fr}.class-picker{grid-template-columns:repeat(2,1fr)}.invoice-detail{grid-template-columns:1fr}}
@media(max-width:860px){:root{--sidebar:236px}.sidebar{transform:translateX(-100%);box-shadow:20px 0 50px rgba(15,37,65,.18)}.sidebar.open{transform:translateX(0)}.main-area{margin-left:0}.mobile-only{display:inline-grid}.topbar{padding:0 14px}.global-search{width:42px;padding:0;justify-content:center}.global-search input,.global-search kbd{display:none}.compact-select,.user-copy{display:none}.page-content{padding:17px}.page-header{align-items:flex-start}.page-header h1{font-size:23px}.form-grid{grid-template-columns:1fr}.form-grid .span-2{grid-column:auto}.detail-grid{grid-template-columns:1fr}.finance-summary{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.kpi-grid,.finance-summary,.course-grid,.staff-grid,.split-grid,.help-grid{grid-template-columns:1fr}.page-header{display:grid}.header-actions{width:100%}.header-actions .primary-btn,.header-actions .secondary-btn{flex:1}.topbar-right{gap:4px}.topbar-right .icon-btn:nth-child(2){display:none}.attendance-row{grid-template-columns:1fr 1fr 1fr}.attendance-row .student-cell{grid-column:1/-1}.calendar-shell{grid-template-columns:62px repeat(6,130px)}.class-picker{grid-template-columns:1fr}.modal-backdrop{padding:0;align-items:flex-end}.modal{border-radius:18px 18px 0 0;max-height:94vh}.filters-card .search-field{min-width:100%;flex:1}.parent-shell{border-radius:0;min-height:calc(100vh - var(--topbar));margin:-17px}.user-menu{padding-right:0}.user-menu>span:last-child{display:none}}

/* Functional prototype v2 enhancements */
.bulk-toolbar{display:flex;align-items:center;gap:10px;padding:12px 14px;margin-bottom:14px;background:#eaf3ff;border:1px solid #cfe3fb;border-radius:12px}.bulk-toolbar strong{margin-right:auto}.active-filter{background:#eaf3ff!important;color:var(--blue)!important;border-color:#9cc5ef!important}.list-button{width:100%;border:0;background:transparent;text-align:left}.list-button:hover{background:#f7faff}.class-event{width:100%;border:0;text-align:left;cursor:grab}.class-event:active{cursor:grabbing}.month-grid{display:grid;grid-template-columns:repeat(7,minmax(125px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:auto}.month-day{min-height:125px;background:white;padding:9px}.month-day>strong{display:block;margin-bottom:7px}.month-day button{display:block;width:100%;border:0;border-left:3px solid var(--blue);border-radius:6px;background:#f6f9fd;padding:5px 7px;margin-bottom:5px;text-align:left;font-size:10px;color:var(--ink)}.switch-row{display:flex;align-items:center;justify-content:space-between;gap:15px;background:#f8fafc;border:1px solid var(--line);padding:14px;border-radius:11px}.switch-row span strong,.switch-row span small{display:block}.switch-row span small{color:var(--muted);margin-top:4px}.switch-row input{width:42px;height:22px}.mini-input{width:68px;height:34px;border:1px solid var(--line);border-radius:8px;padding:0 7px}.file-input{width:100%;padding:12px;border:1px dashed #a9bbcf;border-radius:10px;background:#f8fbff}.unread-alert{background:#eef6ff;border-radius:10px;padding-left:8px}.parent-card.list-button{border:0}.settings-nav button:hover{background:#f3f7fc}.template-item{cursor:pointer}.template-item:hover{border-color:#b6d3f2}.danger-btn{border:0;background:#fff0f0;color:#b63434;border-radius:10px;padding:10px 14px;font-weight:750}.danger-btn:hover{background:#ffe3e3}.ghost-btn.active-filter{box-shadow:inset 0 0 0 1px #7fb5ee}
@media(max-width:760px){.bulk-toolbar{align-items:stretch;flex-wrap:wrap}.bulk-toolbar strong{width:100%}.month-grid{grid-template-columns:repeat(7,120px)}}

/* Functional prototype v3 — empty-account and full interaction additions */
.login-language-row{display:flex;justify-content:flex-end;margin-bottom:-18px}.setup-card{margin-bottom:16px;border-color:#bcd8f7;background:linear-gradient(135deg,#f7fbff,#fff)}.setup-progress{height:8px;background:#e8eef6;border-radius:99px;overflow:hidden;margin:4px 0 18px}.setup-progress i{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--gold));border-radius:99px}.setup-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.setup-step{border:1px solid var(--line);background:#fff;border-radius:13px;padding:14px;text-align:left;display:grid;grid-template-columns:34px 1fr;column-gap:10px;row-gap:3px;align-items:center;color:var(--ink)}.setup-step>span{grid-row:1/3;width:34px;height:34px;border-radius:10px;background:#eaf3ff;color:var(--blue);display:grid;place-items:center;font-weight:850}.setup-step strong{font-size:13px}.setup-step small{font-size:11px;color:var(--muted)}.setup-step.done{background:#f0fbf6;border-color:#ccebdc}.setup-step.done>span{background:#dff5ea;color:#087d4a}.bar-chart{min-height:245px;display:flex;align-items:flex-end;gap:12px;padding:24px 10px 4px;border-bottom:1px solid var(--line);overflow-x:auto}.bar-column{height:220px;min-width:64px;flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:6px}.bar-column span{font-size:10px;color:var(--muted);white-space:nowrap}.bar-column i{display:block;width:min(42px,70%);background:linear-gradient(180deg,var(--blue-2),var(--navy-2));border-radius:8px 8px 3px 3px;min-height:8px}.bar-column small{color:var(--muted);font-size:10px}.week-calendar{display:grid;grid-template-columns:repeat(7,minmax(150px,1fr));gap:10px;overflow-x:auto}.week-day{min-height:470px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px;transition:.15s}.week-day.drag-over{outline:3px solid rgba(22,108,214,.25);border-color:var(--blue);background:#f3f8ff}.week-day>header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:2px 2px 10px;margin-bottom:8px;font-size:12px}.day-add{width:28px;height:28px;border:0;background:#eaf3ff;color:var(--blue);border-radius:8px;font-weight:900}.day-events{display:grid;gap:7px}.day-empty{font-size:11px;color:#a0a8b5;text-align:center;padding:28px 4px}.calendar-event{width:100%;border:0;border-left:4px solid var(--event,var(--blue));border-radius:9px;background:#f7faff;padding:9px;text-align:left;display:grid;gap:4px;color:var(--ink);box-shadow:0 3px 10px rgba(24,59,99,.05)}.calendar-event:hover{background:#eef6ff}.calendar-event strong{font-size:12px}.calendar-event span{font-size:10px;color:var(--muted)}.month-day.muted{background:#f6f8fb}.attendance-class-select{min-width:min(600px,100%)}.notes-box{min-height:90px;padding:13px;background:#f8fafc;border-radius:11px;white-space:pre-wrap}.compact{height:34px!important;padding:0 10px!important;font-size:11px}.invoice-live-total{margin-top:15px;padding:14px;border-radius:12px;background:#edf6ff;display:flex;justify-content:space-between;align-items:center}.invoice-live-total strong{font-size:22px;color:var(--navy)}.section-divider{border:0;border-top:1px solid var(--line);margin:24px 0}.switch-stack{display:grid;gap:10px}.data-tools{display:flex;gap:10px;flex-wrap:wrap}.muted-note{color:var(--muted);font-size:12px;line-height:1.7}.chip-list{display:flex;gap:8px;flex-wrap:wrap}.method-chip{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border:1px solid var(--line);border-radius:999px;background:#f8fafc;font-size:12px;font-weight:700}.method-chip button{width:20px;height:20px;border:0;border-radius:50%;background:#e8ecf2;color:#667085}.role-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.role-option{border:1px solid var(--line);background:#fff;border-radius:14px;padding:17px;display:grid;justify-items:center;gap:8px;text-align:center;color:var(--ink)}.role-option.active{border-color:#7fb5ee;background:#eef6ff}.role-option small{color:var(--muted);line-height:1.5}.checkbox-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.check-card{display:flex;align-items:center;gap:10px;padding:11px;border:1px solid var(--line);border-radius:10px;background:#fafcff}.check-card span strong,.check-card span small{display:block}.check-card span small{color:var(--muted);margin-top:2px}.inline-empty{padding:12px;border:1px dashed #b9c5d4;border-radius:10px;background:#fafcff;color:var(--muted);font-size:12px}.message-preview{padding:18px;border:1px solid var(--line);border-radius:13px;background:#f8fafc;min-height:180px}.message-preview p{white-space:pre-wrap;line-height:1.7}.parent-role-button{color:#fff;border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.13)}.parent-student-select{display:grid;gap:6px;margin-top:22px}.parent-student-select span{font-size:11px;opacity:.8}.parent-student-select select{height:42px;border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.14);color:#fff;border-radius:10px;padding:0 10px}.parent-student-select option{color:var(--ink);background:#fff}.parent-summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:14px}.parent-summary-grid div{padding:10px;border-radius:10px;background:#f8fafc}.parent-summary-grid span,.parent-summary-grid strong{display:block}.parent-summary-grid span{font-size:9px;color:var(--muted);margin-bottom:4px}.parent-summary-grid strong{font-size:14px}.parent-bottom-nav{grid-template-columns:repeat(4,1fr)}
@media(max-width:1180px){.setup-grid{grid-template-columns:repeat(3,1fr)}.week-calendar{grid-template-columns:repeat(7,150px)}}
@media(max-width:760px){.setup-grid{grid-template-columns:1fr}.role-grid{grid-template-columns:1fr}.checkbox-grid{grid-template-columns:1fr}.week-calendar{grid-template-columns:repeat(7,145px)}.parent-summary-grid{grid-template-columns:1fr 1fr 1fr}}
@media(max-width:600px){.topbar-right .icon-btn:nth-child(2){display:inline-flex!important;align-items:center;justify-content:center}.topbar-right{max-width:65vw}.icon-btn{min-width:38px;padding:0 8px}}

/* Accessibility and final usability refinements */
:where(button, input, select, textarea, a):focus-visible {
  outline: 3px solid rgba(47, 128, 237, .32);
  outline-offset: 2px;
}
button:disabled,
[aria-disabled="true"] {
  opacity: .5;
  cursor: not-allowed !important;
  transform: none !important;
  box-shadow: none !important;
}
.tabs .tab-label {
  display: inline-flex;
  align-items: center;
  padding: 11px 13px;
  color: #69758b;
  font-weight: 750;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
}
.tabs .tab-label.active {
  color: var(--blue);
  border-bottom-color: var(--blue);
}
.modal-foot {
  position: sticky;
  bottom: 0;
  background: #fff;
  z-index: 2;
}
.field input:invalid:not(:placeholder-shown),
.field select:invalid {
  border-color: #d7dde7;
}
@media (max-width: 640px) {
  .modal-backdrop { padding: 0; align-items: flex-end; }
  .modal { width: 100%; max-height: 94vh; border-radius: 18px 18px 0 0; }
  .modal.large { width: 100%; }
  .modal-foot { flex-wrap: wrap; }
  .modal-foot button { flex: 1 1 140px; }
  .toast-root { left: 12px; right: 12px; bottom: 12px; }
  .toast { min-width: 0; max-width: none; width: 100%; }
}

.attendance-status.active.excused,.attendance-status.selected.excused{background:#eaf3ff;color:#115eb5;border-color:#c5dcf7}
#loginView:not(.hidden) ~ #modalRoot .modal-backdrop { z-index: 400; }
@media (max-width: 860px) {
  body.nav-open { overflow: hidden; }
  body.nav-open::after {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(10, 29, 52, .38);
    z-index: 25;
  }
  .sidebar.open { z-index: 30; }
}


/* Public-demo clarity */
.demo-notice{display:flex;align-items:flex-start;gap:12px;margin:0 0 16px;padding:13px 15px;border:1px solid #c9dcf4;border-radius:13px;background:#f4f8fe;color:#173f70;box-shadow:0 3px 12px rgba(24,59,99,.04)}
.demo-notice-icon{width:25px;height:25px;flex:0 0 25px;border-radius:50%;display:grid;place-items:center;background:#dcecff;color:#0d5eb8;font-weight:900;font-family:Georgia,serif}
.demo-notice div{display:grid;gap:2px;line-height:1.55}
.demo-notice strong{font-size:13px}
.demo-notice div>span{font-size:12px;color:#4e6480}
@media(max-width:600px){.demo-notice{padding:12px}.demo-notice div>span{font-size:11px}}