:root{--ink:#12355b;--ink-2:#0b2545;--aqua:#20a4b5;--gold:#f2b84b;--paper:#f5f8fc;--card:#fff;--line:#e4eaf1;--muted:#6b7c91;--radius:22px;--shadow:0 12px 40px rgba(18,53,91,.08)}
[data-bs-theme=dark]{--ink:#e8f1fb;--ink-2:#fff;--paper:#0d1724;--card:#142131;--line:#27384b;--muted:#9fb0c3;--shadow:0 12px 40px rgba(0,0,0,.22)}
*{box-sizing:border-box}body{font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--paper);color:var(--ink-2)}a{text-decoration:none}.brand-dark{display:none}[data-bs-theme=dark] .brand-light{display:none}[data-bs-theme=dark] .brand-dark{display:block}.app-shell{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:265px;height:100dvh;background:var(--card);border-right:1px solid var(--line);padding:22px 12px;z-index:1030;transition:.25s;display:flex;flex-direction:column;overflow:hidden}.sidebar .brand{flex:0 0 auto}.sidebar>div.small{flex:0 0 auto}.sidebar>nav{flex:1 1 auto;min-height:0;overflow-y:auto;overflow-x:hidden;padding-bottom:24px;scrollbar-width:thin;overscroll-behavior:contain}.sidebar>nav::-webkit-scrollbar{width:6px}.sidebar>nav::-webkit-scrollbar-thumb{background:var(--line);border-radius:10px}.sidebar>nav::-webkit-scrollbar-track{background:transparent}.brand{display:flex;align-items:center;height:70px;padding:4px 16px;margin-bottom:12px}.brand img{max-width:170px;max-height:58px}.sidebar .nav-link{color:var(--muted);display:flex;gap:12px;align-items:center;border-radius:14px;padding:11px 13px;font-weight:600}.sidebar .nav-link:hover{background:rgba(32,164,181,.08);color:var(--aqua)}.sidebar .nav-link i{font-size:1.15rem}.sidebar .nav-link small{margin-left:auto}.main-content{margin-left:265px;min-height:100vh}.topbar{height:78px;background:color-mix(in srgb,var(--card) 92%,transparent);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 28px;position:sticky;top:0;z-index:1020}.content-wrap{padding:28px;max-width:1600px;margin:auto}.user-pill{display:flex;gap:10px;align-items:center}.user-pill small,.user-pill strong{display:block;line-height:1.2}.user-pill small{color:var(--muted);font-size:.72rem}.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--ink-2),var(--aqua));color:#fff;font-weight:800}.page-heading{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:24px}.page-heading h1{font-size:clamp(1.8rem,3vw,2.65rem);font-weight:800;letter-spacing:-.04em;margin:.2rem 0}.page-heading p{color:var(--muted);margin:0}.eyebrow{text-transform:uppercase;letter-spacing:.14em;color:var(--aqua);font-size:.72rem;font-weight:800}.date-chip{border:1px solid var(--line);background:var(--card);padding:10px 14px;border-radius:14px;color:var(--muted)}.stat-card,.panel-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.stat-card{padding:18px;display:flex;align-items:center;gap:14px}.stat-icon{width:46px;height:46px;border-radius:15px;background:rgba(32,164,181,.1);color:var(--aqua);display:grid;place-items:center;font-size:1.3rem}.stat-card strong{display:block;font-size:1.55rem;line-height:1}.stat-card span{color:var(--muted);font-size:.85rem}.panel-card{padding:22px}.panel-card h3{font-weight:800;font-size:1.1rem}.panel-header p{color:var(--muted)}.setup-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.setup-grid a{border:1px solid var(--line);border-radius:17px;padding:16px;color:inherit;display:grid;grid-template-columns:34px 1fr;gap:2px 8px;transition:.2s}.setup-grid a:hover{transform:translateY(-2px);border-color:var(--aqua)}.setup-grid i{grid-row:1/3;color:var(--aqua);font-size:1.25rem}.setup-grid span{color:var(--muted);font-size:.8rem}.check-list{display:grid;gap:11px;margin-top:18px}.check-list span{display:flex;gap:9px;color:var(--muted)}.check-list i{color:var(--aqua)}.table-tools{display:flex;justify-content:flex-end;margin-bottom:16px}.search-box{max-width:330px}.table{--bs-table-bg:transparent;--bs-table-color:var(--ink-2);--bs-table-border-color:var(--line)}.table thead th{color:var(--muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;border-bottom-width:1px}.status-dot{display:inline-block;width:7px;height:7px;background:#2fb47c;border-radius:50%;margin-right:7px}.btn-primary{--bs-btn-bg:#12355b;--bs-btn-border-color:#12355b;--bs-btn-hover-bg:#0d466b;--bs-btn-hover-border-color:#0d466b;border-radius:13px}.form-control,.form-select,.input-group-text{border-radius:12px;border-color:var(--line);background-color:var(--card);color:var(--ink-2)}.form-control:focus,.form-select:focus{border-color:var(--aqua);box-shadow:0 0 0 .2rem rgba(32,164,181,.12)}.modal-content{border:1px solid var(--line);border-radius:22px;background:var(--card)}.auth-body{background:var(--paper);min-height:100vh}.auth-grid{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr}.auth-visual{position:relative;padding:7vw;background:linear-gradient(135deg,#0b2545,#12355b 55%,#167f91);color:white;overflow:hidden;display:flex;align-items:center}.auth-visual:before,.auth-visual:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.12);border-radius:50%;width:450px;height:450px;right:-120px;top:-120px}.auth-visual:after{width:280px;height:280px;right:90px;top:auto;bottom:-130px}.visual-content{position:relative;z-index:2;max-width:680px}.auth-visual h1{font-size:clamp(2.8rem,5vw,5.6rem);line-height:.96;letter-spacing:-.06em;font-weight:850;margin:18px 0 25px}.auth-visual p{font-size:1.1rem;opacity:.75;max-width:550px}.subject-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:35px}.subject-cloud span{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);border-radius:30px;padding:8px 14px;font-size:.82rem}.auth-panel{display:grid;place-items:center;padding:30px}.auth-card{width:min(480px,100%);background:var(--card);border:1px solid var(--line);border-radius:30px;padding:38px;box-shadow:var(--shadow)}.login-logo{max-width:190px;max-height:72px;object-fit:contain;margin-bottom:28px}.auth-card h2{font-weight:850;letter-spacing:-.03em}.channel-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.channel-grid input{display:none}.channel-grid span{display:flex;gap:8px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:13px;padding:13px;cursor:pointer}.channel-grid input:checked+span{border-color:var(--aqua);background:rgba(32,164,181,.08);color:var(--aqua);font-weight:700}.otp-card{text-align:center}.otp-input{text-align:center;font-size:2rem;letter-spacing:.45em;font-weight:800;padding-left:.45em}.auto-dismiss{animation:fadeout .5s 4s forwards}@keyframes fadeout{to{opacity:0;pointer-events:none}}
@media(max-width:991.98px){.sidebar{transform:translateX(-100%);box-shadow:var(--shadow)}.sidebar.open{transform:translateX(0)}.main-content{margin-left:0}.content-wrap{padding:20px}.topbar{padding:0 16px}.auth-grid{grid-template-columns:1fr}.auth-visual{min-height:38vh;padding:45px 28px}.auth-visual h1{font-size:2.9rem}.auth-panel{padding:24px}.page-heading{align-items:flex-start;flex-direction:column}.setup-grid{grid-template-columns:1fr}}
@media(max-width:575.98px){.auth-card{padding:26px;border-radius:22px}.auth-visual{display:none}.auth-panel{min-height:100vh}.content-wrap{padding:16px}.panel-card{padding:16px}.stat-card{padding:14px}.date-chip{display:none}}
/* v1.1 People & Access */
.table td,.table th{vertical-align:middle}.modal .alert-info{border:0}.badge.text-bg-light{border:1px solid var(--bs-border-color)}
/* v1.2 Activities & Teacher Workflow */
.upload-zone{height:100%;border:1px dashed var(--line);border-radius:18px;padding:18px;text-align:center;background:color-mix(in srgb,var(--card) 92%,var(--aqua) 8%)}.upload-zone>i{display:block;font-size:1.8rem;color:var(--aqua);margin-bottom:8px}.upload-zone strong,.upload-zone span{display:block}.upload-zone span{color:var(--muted);font-size:.78rem}.activity-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}.activity-meta span{display:flex;align-items:center;gap:7px;padding:8px 11px;border-radius:12px;background:var(--paper);color:var(--muted);font-size:.85rem}.activity-note{font-size:1rem;line-height:1.75}.activity-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}.activity-gallery img{width:100%;height:220px;object-fit:cover;border-radius:16px;border:1px solid var(--line)}.document-list{display:grid;gap:10px;margin-top:15px}.document-list a{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:15px;padding:12px;color:inherit}.document-list a>i:first-child{font-size:1.5rem;color:var(--aqua)}.document-list span strong,.document-list span small{display:block}.document-list small{color:var(--muted)}.student-feature{display:flex;align-items:center;gap:12px;margin:16px 0}.student-avatar{width:54px;height:54px;border-radius:18px;background:linear-gradient(135deg,var(--ink-2),var(--aqua));color:#fff;display:grid;place-items:center;font-size:1.25rem;font-weight:800}.student-feature strong,.student-feature span{display:block}.student-feature span{font-size:.8rem;color:var(--muted)}.detail-grid{display:grid;grid-template-columns:1fr auto;gap:12px}.detail-grid span{color:var(--muted)}.timeline-year{margin-bottom:28px}.timeline-year-title{display:flex;align-items:baseline;gap:10px;margin-bottom:12px}.timeline-year-title span{font-size:1.4rem;font-weight:850}.timeline-year-title small{color:var(--muted)}.timeline-items{display:grid;gap:12px}.timeline-card{display:flex;align-items:center;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:16px;color:inherit;box-shadow:var(--shadow);transition:.2s}.timeline-card:hover{transform:translateY(-2px);border-color:var(--aqua)}.timeline-card h3{font-size:1rem;margin:5px 0 2px}.timeline-card p,.timeline-card small{margin:0;color:var(--muted)}.timeline-date{width:58px;min-width:58px;height:58px;border-radius:16px;background:rgba(32,164,181,.1);display:grid;place-items:center;align-content:center;color:var(--aqua)}.timeline-date strong{font-size:1.2rem;line-height:1}.timeline-date span{font-size:.7rem;text-transform:uppercase}.subject-pill{font-size:.7rem;font-weight:800;color:var(--aqua);text-transform:uppercase;letter-spacing:.08em}@media(max-width:767.98px){.activity-gallery{grid-template-columns:repeat(2,1fr)}.activity-gallery img{height:160px}}@media(max-width:575.98px){.activity-gallery{grid-template-columns:1fr}.activity-gallery img{height:auto;max-height:330px}.timeline-card{align-items:flex-start}}

/* v1.2.1 global data-table controls */
.sortable-column{cursor:pointer;user-select:none;white-space:nowrap}.sortable-column::after{content:'\2195';font-size:.72rem;opacity:.35;margin-left:.4rem}.sortable-column.sort-asc::after{content:'\2191';opacity:.9}.sortable-column.sort-desc::after{content:'\2193';opacity:.9}.table-pagination{padding:0 .25rem}.table-pagination .btn.disabled{pointer-events:none}.actions-cell{white-space:nowrap}.permission-list{max-height:320px;overflow:auto}.permission-row{border:1px solid var(--bs-border-color);border-radius:12px;padding:.75rem;margin-bottom:.6rem}
/* v1.3 Parent Portal & Calendar */
.child-switcher{display:flex;gap:12px;overflow:auto;padding-bottom:4px}.child-chip{min-width:220px;display:flex;align-items:center;gap:10px;border:1px solid var(--line);background:var(--card);border-radius:18px;padding:12px;color:inherit;transition:.2s}.child-chip:hover,.child-chip.active{border-color:var(--aqua);box-shadow:var(--shadow);transform:translateY(-1px)}.child-chip.active{background:color-mix(in srgb,var(--card) 92%,var(--aqua) 8%)}.small-avatar{width:42px;height:42px;border-radius:14px;font-size:.85rem}.child-chip strong,.child-chip small{display:block}.child-chip small{color:var(--muted);font-size:.75rem}.parent-activity-grid{display:grid;gap:12px}.parent-activity-card{display:flex;align-items:center;gap:15px;border:1px solid var(--line);border-radius:18px;padding:14px;color:inherit;transition:.2s}.parent-activity-card:hover{border-color:var(--aqua);transform:translateY(-2px);box-shadow:var(--shadow)}.parent-activity-card h3{margin:4px 0;font-size:1rem}.parent-activity-card p{margin:0;color:var(--muted);font-size:.82rem}.activity-counts{display:flex;gap:8px;margin-top:7px}.activity-counts span{font-size:.75rem;color:var(--muted);background:var(--paper);border-radius:10px;padding:4px 8px}.activity-calendar-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.activity-calendar-toolbar h2{font-size:1.25rem;margin:0;font-weight:800}.calendar-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line);border-radius:16px;overflow:hidden}.calendar-weekday{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:800;background:var(--paper);padding:10px;text-align:center;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.calendar-day{min-height:126px;padding:9px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--card);overflow:hidden}.calendar-day.outside{opacity:.45;background:var(--paper)}.calendar-day.today .calendar-day-number{background:var(--aqua);color:#fff}.calendar-day-number{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;font-size:.78rem;font-weight:800;margin-bottom:5px}.calendar-event{display:block;color:inherit;border-left:3px solid var(--aqua);background:color-mix(in srgb,var(--card) 88%,var(--aqua) 12%);border-radius:7px;padding:5px 7px;margin:4px 0;font-size:.72rem;line-height:1.25;overflow:hidden}.calendar-event strong,.calendar-event small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.calendar-event small{color:var(--muted);font-size:.65rem}.calendar-empty{text-align:center;color:var(--muted);padding:50px 15px}
@media(max-width:767.98px){.calendar-grid{min-width:760px}.activity-calendar{overflow-x:auto}.calendar-day{min-height:105px}.parent-activity-card{align-items:flex-start}.child-chip{min-width:200px}}

/* v1.4 public portfolio */
.portfolio-public-body{background:radial-gradient(circle at 20% 0%,rgba(38,132,255,.12),transparent 34%),var(--bs-body-bg);min-height:100vh}
.public-portfolio-shell{max-width:1120px;margin:0 auto;padding:28px 18px 48px}
.public-portfolio-hero{border:1px solid var(--bs-border-color);border-radius:28px;padding:clamp(24px,5vw,56px);background:var(--bs-body-bg);box-shadow:0 24px 70px rgba(20,40,80,.09)}
.public-school-brand{display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--bs-secondary-color);font-size:.92rem}.public-school-brand img{max-height:52px;max-width:220px;object-fit:contain}
.public-student-head{display:flex;align-items:center;gap:22px;margin-top:42px}.public-student-head h1{font-size:clamp(2.2rem,6vw,4.7rem);letter-spacing:-.055em;margin:.15rem 0}.public-student-head p{font-size:1.1rem;color:var(--bs-secondary-color);margin:0}
.public-student-photo,.public-student-avatar{width:112px;height:112px;border-radius:30px;object-fit:cover;flex:0 0 auto}.public-student-avatar{display:grid;place-items:center;font-size:2rem;font-weight:800;background:linear-gradient(135deg,#164b87,#21a0d8);color:white}
.public-bio{max-width:800px;margin-top:28px;font-size:1.08rem;line-height:1.8;color:var(--bs-secondary-color)}
.public-portfolio-content{padding:46px 0}.public-year-divider{display:flex;align-items:center;gap:14px;margin:30px 0 16px;font-weight:800}.public-year-divider:after{content:"";height:1px;background:var(--bs-border-color);flex:1}
.public-activity-card{background:var(--bs-body-bg);border:1px solid var(--bs-border-color);border-radius:22px;padding:24px;margin-bottom:18px;box-shadow:0 10px 32px rgba(20,40,80,.05)}.public-activity-card h3{margin:.6rem 0 .7rem}.public-activity-meta{display:flex;flex-wrap:wrap;gap:18px;color:var(--bs-secondary-color);font-size:.9rem}.public-activity-card p{line-height:1.75}
.public-activity-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin-top:18px}.public-activity-gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:15px;border:1px solid var(--bs-border-color)}
.public-portfolio-footer{text-align:center;color:var(--bs-secondary-color);font-size:.9rem;padding-top:12px}
@media(max-width:600px){.public-student-head{align-items:flex-start;flex-direction:column}.public-school-brand{align-items:flex-start;flex-direction:column}.public-student-photo,.public-student-avatar{width:88px;height:88px;border-radius:24px}}

/* v1.4.1 portfolio modal + parent privacy controls */
.modal{z-index:1060}.modal-backdrop{z-index:1055}.modal-dialog{pointer-events:auto}.modal-content{position:relative;z-index:1}
.privacy-status-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.privacy-status-grid>div{border:1px solid var(--line);border-radius:14px;padding:12px;background:color-mix(in srgb,var(--card) 94%,var(--aqua) 6%)}.privacy-status-grid span{display:block;color:var(--muted);font-size:.75rem}.privacy-status-grid strong{display:block;margin-top:2px}
.privacy-control-card{border:1px solid var(--line);border-radius:18px;padding:18px}.public-activity-permissions{display:grid;gap:9px}.public-activity-permission-row{display:flex;align-items:center;justify-content:space-between;gap:16px;border:1px solid var(--line);border-radius:14px;padding:12px 14px}.public-activity-permission-row strong,.public-activity-permission-row small{display:block}.public-activity-permission-row small{color:var(--muted);margin-top:2px}
@media(max-width:767.98px){.privacy-status-grid{grid-template-columns:1fr}.public-activity-permission-row{align-items:flex-start}}
/* v1.5 Library */
.library-pdf-frame{display:block;width:100%;height:calc(100vh - 220px);min-height:650px;border:0;background:#525659}.pdf-toolbar{background:var(--bs-body-bg)}
@media(max-width:768px){.library-pdf-frame{height:72vh;min-height:520px}}
.pdfjs-host{min-height:650px;max-height:calc(100vh - 220px);overflow:auto;background:#525659;padding:24px;text-align:center}.pdfjs-host canvas{max-width:100%;height:auto;box-shadow:0 8px 30px #0006;background:white}
@media(max-width:768px){.pdfjs-host{min-height:520px;max-height:72vh;padding:10px}}


/* v1.5.2: short-screen sidebar repair */
html,body{min-height:100%;}
.sidebar{height:100vh;height:100dvh;max-height:100vh;max-height:100dvh;overflow:hidden;display:flex;flex-direction:column;}
.sidebar .brand,.sidebar>div.small{flex:0 0 auto;}
.sidebar>nav{display:flex!important;flex-direction:column!important;flex-wrap:nowrap!important;align-content:stretch!important;flex:1 1 0!important;min-height:0!important;width:100%;overflow-y:auto!important;overflow-x:hidden!important;padding-bottom:28px;-webkit-overflow-scrolling:touch;overscroll-behavior-y:contain;}
.sidebar>nav .nav-link{flex:0 0 auto;width:100%;}
.main-content{min-width:0;}
@media (max-width:991.98px){.sidebar{width:min(285px,86vw);z-index:1050;}.sidebar.open{transform:translateX(0)!important;}.main-content{margin-left:0!important;}.sidebar-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:1040;display:none}.sidebar-backdrop.show{display:block}}

/* v1.6 Messaging */
.message-thread{display:flex;flex-direction:column;gap:14px;max-height:58vh;overflow-y:auto;padding:22px}
.message-bubble{align-self:flex-start;max-width:min(76%,720px);padding:12px 14px;border-radius:16px 16px 16px 4px;background:var(--bs-tertiary-bg);border:1px solid var(--bs-border-color);white-space:normal;overflow-wrap:anywhere}
.message-bubble.mine{align-self:flex-end;border-radius:16px 16px 4px 16px;background:rgba(var(--bs-primary-rgb),.12);border-color:rgba(var(--bs-primary-rgb),.25)}
.message-bubble small{display:block;margin-top:7px;color:var(--bs-secondary-color);font-size:.75rem}
@media(max-width:575.98px){.message-bubble{max-width:92%}}


/* v1.6.2 unread messages + parent public photo */
.top-message-button{position:relative;display:inline-flex;align-items:center;justify-content:center}
.top-message-badge{position:absolute;top:-5px;right:-7px;min-width:19px;height:19px;padding:0 5px;border-radius:999px;background:#dc3545;color:#fff;font-size:.68rem;font-weight:800;line-height:19px;text-align:center;box-shadow:0 0 0 2px var(--bs-body-bg)}
.parent-public-photo-preview,.parent-public-photo-placeholder{width:64px;height:64px;border-radius:16px;object-fit:cover;flex:0 0 64px}
.parent-public-photo-placeholder{display:flex;align-items:center;justify-content:center;background:var(--bs-tertiary-bg);border:1px dashed var(--bs-border-color);font-size:1.5rem}
.public-photo-manager{padding:14px;border:1px solid var(--bs-border-color);border-radius:14px;background:var(--bs-tertiary-bg)}
.system-feature-list{max-height:500px;overflow-y:auto;padding-right:4px}
.system-feature-list::-webkit-scrollbar{width:6px}.system-feature-list::-webkit-scrollbar-thumb{background:rgba(127,127,127,.35);border-radius:8px}

/* v1.6.3 parent announcements */
.parent-announcement-table .announcement-open-row{cursor:pointer}
.parent-announcement-table .announcement-open-row:hover td{background:var(--bs-tertiary-bg)}
.parent-announcement-table .announcement-open-row:focus{outline:2px solid var(--bs-primary);outline-offset:-2px}
.announcement-body{white-space:normal;line-height:1.75;font-size:1rem}