:root{--bg:#f4f8fb;--surface:#fff;--surface-2:#edf6fb;--admin-user-bg:#dff4fb;--admin-user-border:#8dcbe1;--inactive-user-bg:#e4f1f8;--inactive-user-border:#b7d5e5;--text:#17212b;--muted:#637381;--border:#d9e5ec;--primary:#ba1f28;--primary-hover:#981720;--accent:#1677a5;--warning:#f3c50f;--success:#16784b;--danger:#b91c1c;--admin-type:#126f9c;--admin-type-soft:#e5f5fb;--teacher-type:#18785a;--teacher-type-soft:#e8f7f0;--test-type:#a76000;--test-type-soft:#fff5dc;--shadow:0 16px 40px rgba(20,42,58,.10);--radius:18px;color-scheme:light;font-family:Inter,"Segoe UI",Arial,sans-serif}
[data-theme="dark"]{--bg:#101820;--surface:#18232d;--surface-2:#21313c;--admin-user-bg:#194454;--admin-user-border:#52849a;--inactive-user-bg:#283c49;--inactive-user-border:#496473;--text:#f5f8fa;--muted:#b3c0c9;--border:#344754;--primary:#ef4c54;--primary-hover:#ff626a;--accent:#7cc9ef;--success:#60d394;--danger:#ff7b7b;--admin-type:#65c8f1;--admin-type-soft:#173d4c;--teacher-type:#65d5aa;--teacher-type-soft:#173d34;--test-type:#ffc15a;--test-type-soft:#493a20;--shadow:0 18px 45px rgba(0,0,0,.35);color-scheme:dark}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text)}body{font-size:16px;line-height:1.45}button,input,select,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}.muted{color:var(--muted)}.eyebrow{margin:0 0 4px;color:var(--accent);font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.full{width:100%}.full-span{grid-column:1/-1}
.login-page{position:relative;min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at top left,rgba(163,216,245,.45),transparent 38%),radial-gradient(circle at bottom right,rgba(225,36,40,.10),transparent 35%),var(--bg)}.login-card{width:min(100%,450px);background:var(--surface);border:1px solid var(--border);border-radius:28px;padding:30px;box-shadow:var(--shadow);text-align:center}.login-card h1{font-size:1.7rem;margin:4px 0 8px}.login-logo{width:132px;height:132px;margin:0 auto 14px}.logo-slot svg{display:block;width:100%;height:100%}.login-help{font-size:.85rem;color:var(--muted);margin:20px 0 0}.login-signature{position:absolute;right:max(22px,env(safe-area-inset-right));bottom:max(18px,env(safe-area-inset-bottom));color:var(--muted);font-family:"Segoe Script","Bradley Hand",cursive;font-size:.46rem;font-style:italic;font-weight:600;letter-spacing:.04em;line-height:1;opacity:.68;user-select:none;transition:color .18s,opacity .18s,transform .18s}.login-signature:hover{color:var(--accent);opacity:.92;transform:translateY(-1px)}
.form-stack{display:grid;gap:16px;text-align:left}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.form-grid label,.form-stack label,.filter-row label,.report-controls label,.search-label{display:grid;gap:7px;font-weight:700;color:var(--text)}small{color:var(--muted);font-weight:500}input,select,textarea{width:100%;min-height:48px;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:12px;padding:11px 13px;outline:none}textarea{resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(22,119,165,.16)}input:disabled{background:var(--surface-2);color:var(--muted)}.password-wrap{display:flex;align-items:center;position:relative}.password-wrap input{padding-right:80px}.password-wrap .password-toggle{position:absolute;right:4px}
.primary-button,.secondary-button,.text-button,.icon-button{border-radius:11px;min-height:44px;padding:9px 15px;font-weight:800}.primary-button{border:1px solid var(--primary);background:var(--primary);color:#fff}.primary-button:hover{background:var(--primary-hover)}.secondary-button{border:1px solid var(--border);background:var(--surface);color:var(--text)}.text-button,.icon-button{border:0;background:transparent;color:var(--accent)}.danger-button{border-color:var(--danger);color:var(--danger)}.form-actions{display:flex;justify-content:flex-end}
.app-header{height:76px;display:flex;align-items:center;justify-content:space-between;padding:10px 22px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:10px}.brand>div:last-child{display:grid}.brand small{font-size:.72rem}.header-logo{width:54px;height:54px;background:#fff;border-radius:50%;padding:2px}.header-actions{display:flex;align-items:center;gap:10px}.user-chip{display:grid;text-align:right}.user-chip small{font-size:.76rem}.workspace{display:grid;grid-template-columns:235px minmax(0,1fr);min-height:calc(100vh - 76px)}.side-nav{background:var(--surface);border-right:1px solid var(--border);padding:18px 12px}.side-nav>div{display:grid;gap:7px}.nav-item{border:0;background:transparent;color:var(--muted);min-height:48px;border-radius:12px;text-align:left;padding:10px 14px;font-weight:800}.nav-item:hover,.nav-item.active{background:var(--surface-2);color:var(--primary)}.content-area{padding:26px;max-width:1400px;width:100%;margin:0 auto}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.page-heading h2{margin:0;font-size:1.65rem}.heading-actions,.quick-actions,.upload-row,.filter-row{display:flex;gap:10px;align-items:end;flex-wrap:wrap}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:0 6px 18px rgba(20,42,58,.04)}.section-gap{margin-top:20px}.form-section{border:1px solid var(--border);border-radius:14px;padding:16px;margin:0}.form-section legend{padding:0 8px;font-weight:900}.two-columns{display:grid;grid-template-columns:1fr 1fr;gap:16px}.choice-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}.choice{display:flex!important;grid-auto-flow:column;align-items:center;justify-content:start;background:var(--surface-2);border:1px solid var(--border);border-radius:999px;padding:9px 14px}.choice input{width:auto;min-height:auto}.section-title{display:flex;align-items:center;justify-content:space-between;gap:12px}.section-title h3,.panel h3{margin:0 0 14px}.card-list{display:grid;gap:10px}.record-card{border:1px solid var(--border);background:var(--surface-2);border-radius:13px;padding:14px}.record-card strong{display:block}.record-meta{color:var(--muted);font-size:.88rem}.empty-state{color:var(--muted);text-align:center;padding:28px}
.split-layout{display:grid;grid-template-columns:minmax(280px,.8fr) minmax(360px,1.2fr);gap:18px}.segmented-tabs{display:grid;gap:5px;padding:5px;border:1px solid var(--border);border-radius:13px;background:var(--surface-2)}.user-type-tabs{grid-template-columns:repeat(3,minmax(0,1fr))}.user-status-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}.segmented-tab{min-height:42px;border:0;border-radius:9px;padding:8px 10px;background:transparent;color:var(--muted);font-weight:800}.segmented-tab.active{background:var(--surface);color:var(--text);box-shadow:0 2px 8px rgba(20,42,58,.09)}.tab-count{display:inline-flex;align-items:center;justify-content:center;min-width:25px;margin-left:4px;border-radius:999px;padding:1px 6px;background:var(--surface-2);font-size:.78rem}.section-gap-small{margin-top:14px}.user-list{display:grid;gap:8px;max-height:600px;overflow:auto;margin-top:14px}.user-row{display:flex;align-items:stretch;justify-content:space-between;gap:10px;text-align:left;border:1px solid var(--border);background:var(--surface-2);border-radius:12px;padding:12px}.user-row.user-admin{background:var(--admin-user-bg);border-color:var(--admin-user-border)}.user-row.user-inactive{background:var(--inactive-user-bg);border-color:var(--inactive-user-border)}.user-row.active{border-color:var(--accent)}.user-badges{display:flex;align-items:stretch;gap:6px;flex-shrink:0}.badge{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:3px 9px;background:var(--surface-2);color:var(--muted);font-size:.76rem;font-weight:800}.badge.success{background:rgba(22,120,75,.14);color:var(--success)}.badge.danger{background:rgba(185,28,28,.14);color:var(--danger)}.badge.test{background:rgba(217,119,6,.16);color:#a25405;border:1px solid rgba(217,119,6,.3)}[data-theme="dark"] .badge.test{color:#ffd28a;background:rgba(245,158,11,.18);border-color:rgba(245,158,11,.38)}.detail-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.test-user-panel{margin-top:18px;border-radius:14px;padding:16px;border:1px solid rgba(217,119,6,.42);background:rgba(245,158,11,.08)}.test-user-heading{display:flex;align-items:center;gap:9px}.test-user-heading h4{margin:0}.test-user-panel p{margin:9px 0 14px}.test-user-choice .choice{width:max-content;max-width:100%;margin-bottom:8px}.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:18px}.stat-card strong{display:block;font-size:1.9rem}.stat-card span{color:var(--muted)}
.user-filter-label{margin:0 0 8px;color:var(--muted);font-size:.82rem;font-weight:900;letter-spacing:.04em;text-transform:uppercase}.user-type-tabs{display:grid;grid-template-columns:1fr;gap:10px}.user-type-card{--type-color:var(--accent);--type-soft:var(--surface-2);display:grid;grid-template-columns:44px minmax(0,1fr) auto;align-items:center;gap:12px;width:100%;min-height:72px;padding:11px 13px;border:1px solid var(--border);border-left:5px solid var(--type-color);border-radius:14px;background:var(--surface);color:var(--text);text-align:left;transition:background .16s,border-color .16s,box-shadow .16s,transform .16s}.user-type-card:hover{border-color:var(--type-color);background:var(--type-soft);transform:translateY(-1px)}.user-type-card.active{border-color:var(--type-color);background:var(--type-soft);box-shadow:0 0 0 2px var(--type-color),0 8px 18px rgba(20,42,58,.10)}.user-type-admin{--type-color:var(--admin-type);--type-soft:var(--admin-type-soft)}.user-type-teacher{--type-color:var(--teacher-type);--type-soft:var(--teacher-type-soft)}.user-type-test{--type-color:var(--test-type);--type-soft:var(--test-type-soft)}.user-type-icon{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:var(--type-soft);border:1px solid var(--type-color);color:var(--type-color);font-size:1.05rem;font-weight:900}.user-type-card.active .user-type-icon{background:var(--type-color);color:#fff}.user-type-copy{display:grid;gap:2px;min-width:0}.user-type-copy strong{font-size:1rem;line-height:1.2}.user-type-copy small{overflow:hidden;color:var(--muted);font-size:.78rem;font-weight:600;line-height:1.25;text-overflow:ellipsis;white-space:nowrap}.user-type-card .tab-count{min-width:32px;margin:0;padding:4px 8px;background:var(--surface-2);color:var(--muted);font-size:.82rem}.user-type-card.active .tab-count{background:var(--type-color);color:#fff}.user-status-filter{padding-top:13px;border-top:1px solid var(--border)}
[data-theme="dark"] .user-type-card.active .user-type-icon,[data-theme="dark"] .user-type-card.active .tab-count{color:#101820}
.user-row small{display:block}.stat-card .stat-text{font-size:1.05rem;margin-top:7px}.error-text{color:var(--danger)}.import-result{margin-top:14px;text-align:left}.import-result ul{max-height:220px;overflow:auto}.search-label{width:100%}
.homeroom-help{margin:0 0 18px}.homeroom-table-wrap{width:100%;min-width:0;padding:3px}.homeroom-table{width:100%;min-width:0;border-collapse:separate;border-spacing:6px;table-layout:fixed}.homeroom-table th,.homeroom-table td{min-width:0;padding:0;text-align:left;vertical-align:top}.homeroom-table thead th{padding:0 6px 5px;color:var(--muted);font-size:.82rem;text-transform:uppercase;letter-spacing:.04em}.homeroom-table thead th:first-child{width:74px}.homeroom-table tbody>tr>th{padding:12px 6px;border-radius:12px;background:var(--surface-2);text-align:center}.homeroom-table tbody>tr>th small{display:block}.branch-letter{display:block;color:var(--accent);font-size:1.65rem;font-weight:900;line-height:1.1}.homeroom-table td label{display:grid;min-width:0;gap:6px;min-height:94px;padding:9px;border:1px solid var(--border);border-radius:12px;background:var(--surface-2)}.homeroom-table td strong{color:var(--accent);font-size:1.05rem}.homeroom-table select{width:100%;min-width:0;max-width:100%;min-height:42px;padding:8px 24px 8px 8px;background:var(--surface);font-size:.88rem;text-overflow:ellipsis}
.report-controls{display:flex;align-items:end;gap:14px;flex-wrap:wrap}.report-controls label{min-width:165px}.report-controls .report-test-toggle{min-width:auto;margin-bottom:1px}.report-output{margin-top:18px}.test-data-notice{margin-bottom:14px;border:1px solid rgba(217,119,6,.42);border-radius:12px;padding:11px 13px;background:rgba(245,158,11,.08);color:var(--text)}.report-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.distribution-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:18px}.metric-list{display:grid;gap:8px}.metric-row{display:grid;grid-template-columns:1fr auto;gap:10px;border-bottom:1px solid var(--border);padding:6px 0}.table-wrap{overflow:auto}.data-table{border-collapse:collapse;width:100%;font-size:.9rem}.data-table th,.data-table td{border-bottom:1px solid var(--border);padding:10px;text-align:left;vertical-align:top}.data-table th{background:var(--surface-2);position:sticky;top:0}.report-actions{display:flex;justify-content:flex-end;margin:14px 0}
.modal{width:min(94vw,620px);border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:20px;padding:24px;box-shadow:var(--shadow)}.modal::backdrop{background:rgba(5,12,18,.68)}.wide-modal{width:min(96vw,980px)}.locked-modal{max-width:520px}.modal-close{float:right;border:0;background:transparent;color:var(--muted);font-size:1.8rem}.modal-actions{display:flex;justify-content:flex-end;margin-top:18px}.password-card-toolbar{position:sticky;top:0;z-index:2;justify-content:flex-start;margin:0 0 18px;padding:2px 0 10px;background:var(--surface)}.password-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.password-card{border:2px solid #17212b;border-radius:14px;padding:16px;background:#fff;color:#17212b}.password-card h3{margin:0 0 10px}.password-value{font-family:Consolas,monospace;font-size:1.35rem;font-weight:900;letter-spacing:.08em}.loading-overlay{position:fixed;inset:0;z-index:100;display:grid;place-content:center;justify-items:center;gap:12px;background:rgba(8,17,24,.55);color:#fff}.spinner{width:42px;height:42px;border:4px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:fixed;right:18px;bottom:18px;z-index:120;max-width:min(90vw,420px);background:#17212b;color:#fff;border-radius:12px;padding:14px 18px;box-shadow:var(--shadow)}.toast.error{background:#8f171d}.narrow-panel{max-width:560px}.mobile-only{display:none}
@media(max-width:900px){.workspace{grid-template-columns:1fr}.side-nav{position:fixed;left:0;top:76px;bottom:0;width:270px;z-index:30;transform:translateX(-105%);transition:transform .2s;box-shadow:var(--shadow)}.side-nav.open{transform:translateX(0)}.mobile-only{display:inline-flex}.content-area{padding:18px}.split-layout{grid-template-columns:1fr}.stat-grid,.report-summary{grid-template-columns:repeat(2,1fr)}.distribution-grid{grid-template-columns:1fr}.user-chip{display:none}}
@media(max-width:600px){body{font-size:15px}.login-page{padding:20px 16px 54px}.login-card{padding:22px}.login-signature{right:max(16px,env(safe-area-inset-right));bottom:max(14px,env(safe-area-inset-bottom));font-size:.43rem}.app-header{padding:9px 12px}.brand strong{font-size:.9rem}.header-logo{width:46px;height:46px}.header-actions{gap:3px}.header-actions .secondary-button{padding:8px}.content-area{padding:14px}.form-grid,.two-columns{grid-template-columns:1fr}.panel{padding:16px}.page-heading{align-items:flex-start;flex-direction:column}.heading-actions{width:100%}.heading-actions button{flex:1}.user-type-tabs{grid-template-columns:1fr}.user-type-card{grid-template-columns:40px minmax(0,1fr) auto;min-height:66px;padding:9px 11px}.user-type-icon{width:38px;height:38px}.user-status-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}.segmented-tab{padding:8px 5px;font-size:.86rem}.user-status-tabs .tab-count{display:inline-flex;width:auto;margin:0 0 0 4px}.stat-grid,.report-summary{grid-template-columns:1fr 1fr}.password-card-grid{grid-template-columns:1fr}.report-controls>*{width:100%}.upload-row{align-items:stretch;flex-direction:column}}
@media(max-width:600px){.homeroom-table{min-width:0;border-spacing:2px}.homeroom-table thead th{padding:0 1px 4px;text-align:center;font-size:.68rem;letter-spacing:0}.homeroom-table thead th:first-child{width:40px}.homeroom-table tbody>tr>th{padding:9px 2px}.homeroom-table tbody>tr>th small{display:none}.branch-letter{font-size:1.2rem}.homeroom-table td label{min-height:74px;gap:3px;padding:4px;border-radius:8px}.homeroom-table td strong{font-size:.78rem}.homeroom-table select{min-height:36px;padding:5px 12px 5px 2px;border-radius:7px;font-size:.72rem}}