:root{
  --bg:#f5f7fb;--surface:#fff;--surface2:#f8f9ff;--text:#18213a;--muted:#6f7890;--line:#e6e9f2;
  --primary:#6d5dfc;--primary2:#8b7fff;--primary-soft:#f0eeff;--success:#168f6d;--success-soft:#e9f8f3;
  --warning:#b56b00;--warning-soft:#fff4df;--danger:#c93a54;--danger-soft:#ffedf1;--info:#2b6eea;--info-soft:#ebf2ff;
  --shadow:0 12px 32px rgba(38,42,72,.09);--radius:18px;--radius-sm:12px;--nav:76px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}
.app-shell{min-height:100vh}.topbar{height:var(--nav);position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 28px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;min-width:210px}.brand-mark{width:40px;height:40px;border-radius:14px;background:linear-gradient(145deg,var(--primary),#9a8eff);display:grid;place-items:center;color:#fff;font-weight:800;box-shadow:0 8px 20px rgba(109,93,252,.25)}.brand-text{font-weight:800;font-size:19px}.brand-text span{color:var(--primary)}
.top-search{max-width:420px;flex:1;position:relative}.top-search input{width:100%;border:1px solid var(--line);background:var(--surface2);border-radius:999px;padding:11px 16px 11px 42px;outline:none}.top-search .icon{position:absolute;left:15px;top:11px;color:var(--muted)}
.top-actions{display:flex;align-items:center;gap:10px;margin-left:auto}.pill-btn,.ghost-btn,.primary-btn,.danger-btn,.soft-btn{border:0;border-radius:12px;padding:10px 14px;font-weight:700;transition:.15s ease}.pill-btn{border:1px solid var(--line);background:#fff;color:var(--text)}.pill-btn:hover,.ghost-btn:hover{background:var(--surface2)}.primary-btn{background:var(--primary);color:#fff;box-shadow:0 7px 18px rgba(109,93,252,.22)}.primary-btn:hover{transform:translateY(-1px);background:#5d4ef1}.ghost-btn{background:transparent;color:var(--muted)}.soft-btn{background:var(--primary-soft);color:#5544dc}.danger-btn{background:var(--danger);color:#fff}.small{padding:7px 10px;font-size:13px}.disabled{opacity:.48;pointer-events:none}
.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:800;background:linear-gradient(145deg,#ffd79c,#ffbda1);color:#6c4529;border:2px solid #fff;box-shadow:0 0 0 1px var(--line)}.avatar.teacher{background:linear-gradient(145deg,#cbd8ff,#bcb3ff);color:#3e3b7a}.avatar.child{background:linear-gradient(145deg,#c8f0e2,#99deca);color:#27584c}.avatar.org{border-radius:12px;background:linear-gradient(145deg,#ffe6a6,#ffc66d)}
.layout{display:grid;grid-template-columns:245px minmax(0,1fr) 300px;gap:22px;max-width:1500px;margin:0 auto;padding:24px 28px 50px}.sidebar,.rightbar{position:sticky;top:100px;align-self:start}.sidebar-card,.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 5px 20px rgba(30,35,65,.045)}.sidebar-card{padding:14px}.nav-group-title{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:#9aa2b4;font-weight:800;padding:10px 12px 8px}.nav-item{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:12px;color:#5f687d;font-weight:650;margin:2px 0}.nav-item:hover{background:var(--surface2);color:var(--text)}.nav-item.active{background:var(--primary-soft);color:#5749df}.nav-icon{width:26px;height:26px;display:grid;place-items:center;background:#f4f5f9;border-radius:9px;font-size:14px}.nav-item.active .nav-icon{background:#fff;color:var(--primary)}
.main{min-width:0}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:18px}.page-head h1{font-size:28px;line-height:1.2;margin:0 0 7px}.page-head p{color:var(--muted);margin:0;line-height:1.5}.page-actions{display:flex;gap:10px;flex-wrap:wrap}.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.1em;font-weight:800;color:var(--primary);margin-bottom:8px}
.hero{padding:28px;background:linear-gradient(135deg,#fff 0%,#f2f0ff 58%,#edf5ff 100%);overflow:hidden;position:relative}.hero:after{content:"";position:absolute;width:230px;height:230px;border-radius:50%;background:rgba(109,93,252,.1);right:-80px;top:-80px}.hero h1{max-width:680px;font-size:36px;margin:0 0 12px}.hero p{max-width:700px;color:var(--muted);font-size:16px;line-height:1.6}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.grid{display:grid;gap:16px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.section{margin-top:22px}.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.section-title h2{font-size:18px;margin:0}.section-title a{font-size:13px;color:var(--primary);font-weight:700}
.card{padding:18px}.card.clickable:hover{border-color:#d8d3ff;box-shadow:var(--shadow);transform:translateY(-1px)}.card.clickable{cursor:pointer;transition:.15s ease}.card-title{font-weight:800;margin:0 0 6px}.card-sub{color:var(--muted);font-size:13px;line-height:1.45}.row{display:flex;align-items:center;gap:12px}.between{display:flex;align-items:center;justify-content:space-between;gap:12px}.stack{display:flex;flex-direction:column;gap:12px}.wrap{display:flex;flex-wrap:wrap;gap:8px}.divider{height:1px;background:var(--line);margin:14px 0}.muted{color:var(--muted)}.tiny{font-size:12px}.text-sm{font-size:13px}.strong{font-weight:800}.kpi{font-size:28px;font-weight:800}.kpi-label{font-size:12px;color:var(--muted)}
.badge{display:inline-flex;align-items:center;gap:5px;padding:6px 9px;border-radius:999px;font-size:11px;font-weight:800;background:#f0f2f7;color:#606a7e}.badge.primary{background:var(--primary-soft);color:#5749df}.badge.success{background:var(--success-soft);color:var(--success)}.badge.warning{background:var(--warning-soft);color:var(--warning)}.badge.danger{background:var(--danger-soft);color:var(--danger)}.badge.info{background:var(--info-soft);color:var(--info)}.badge.sponsored{background:#f4f0ff;color:#5a4bdb;border:1px solid #ded8ff}
.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;font-size:12px;font-weight:700;color:#667086}.chip.active{border-color:#cfc8ff;background:var(--primary-soft);color:#5545dc}.chip:hover{background:var(--surface2)}
.teacher-card{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:start}.profile-avatar{width:66px;height:66px;border-radius:18px;background:linear-gradient(145deg,#dce4ff,#c7bcff);display:grid;place-items:center;font-size:24px;font-weight:800;color:#4b4386}.org-logo{width:66px;height:66px;border-radius:18px;background:linear-gradient(145deg,#ffe8ae,#ffd16e);display:grid;place-items:center;font-weight:900;color:#7f5719}.teacher-main h3{margin:0 0 5px;font-size:16px}.teacher-main p{margin:4px 0;color:var(--muted);font-size:13px}.teacher-actions{display:flex;flex-direction:column;gap:8px;min-width:105px}.meta-list{display:flex;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:9px}.verified-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:9px}
.form-card{padding:22px}.field{display:flex;flex-direction:column;gap:7px;margin-bottom:14px}.field label{font-size:13px;font-weight:800}.field input,.field select,.field textarea{border:1px solid var(--line);border-radius:12px;padding:11px 12px;background:#fff;outline:none;color:var(--text)}.field input:focus,.field textarea:focus,.field select:focus{border-color:#b7afff;box-shadow:0 0 0 3px #f0eeff}.field textarea{min-height:95px;resize:vertical}.field-note{font-size:11px;color:var(--muted)}
.timeline{display:flex;gap:0;margin:14px 0 6px}.timeline-step{flex:1;position:relative;text-align:center;font-size:11px;color:#8a91a2}.timeline-step:before{content:"";display:block;width:14px;height:14px;border-radius:50%;margin:0 auto 7px;background:#e5e8f0;position:relative;z-index:2}.timeline-step:after{content:"";position:absolute;height:3px;background:#e5e8f0;left:50%;right:-50%;top:6px}.timeline-step:last-child:after{display:none}.timeline-step.done{color:#5445dc;font-weight:800}.timeline-step.done:before,.timeline-step.done:after{background:var(--primary)}.timeline-step.current:before{background:#fff;border:4px solid var(--primary);width:16px;height:16px;margin-top:-1px}
.feed-post{padding:16px 0;border-bottom:1px solid var(--line)}.feed-post:last-child{border-bottom:0}.post-body{margin:10px 0;line-height:1.55}.post-actions{display:flex;gap:16px;color:var(--muted);font-size:12px;font-weight:700}.notice{border-radius:14px;padding:13px 14px;background:var(--info-soft);color:#315c9e;font-size:13px;line-height:1.45}.notice.warning{background:var(--warning-soft);color:#8d5a0f}.notice.danger{background:var(--danger-soft);color:#a82d47}.notice.success{background:var(--success-soft);color:#19725b}
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow:auto}.tab{padding:10px 12px;border-bottom:3px solid transparent;font-size:13px;font-weight:750;color:var(--muted);white-space:nowrap}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}.table{width:100%;border-collapse:collapse;min-width:680px}.table th,.table td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);font-size:12px}.table th{background:#fafbfe;color:#7b8395;text-transform:uppercase;letter-spacing:.06em;font-size:10px}.table tr:last-child td{border-bottom:0}
.rightbar .card{margin-bottom:14px}.context-switcher{padding:14px}.context-item{display:flex;align-items:center;gap:10px;padding:9px;border-radius:11px;cursor:pointer}.context-item:hover,.context-item.active{background:var(--surface2)}.context-item.active{outline:1px solid #e1dcff}.context-copy{font-size:12px}.context-copy strong{display:block;font-size:13px}
.empty{padding:40px 22px;text-align:center}.empty-icon{width:62px;height:62px;margin:0 auto 14px;border-radius:20px;background:var(--primary-soft);display:grid;place-items:center;font-size:26px}.empty h3{margin:0 0 7px}.empty p{color:var(--muted);max-width:430px;margin:0 auto 16px;line-height:1.5}
.qa-drawer{position:fixed;right:18px;bottom:18px;z-index:50}.qa-toggle{width:48px;height:48px;border-radius:16px;border:0;background:#202842;color:#fff;box-shadow:var(--shadow);font-weight:800}.qa-panel{position:absolute;right:0;bottom:58px;width:310px;background:#18213a;color:#fff;border-radius:18px;padding:16px;box-shadow:0 22px 60px rgba(20,27,48,.28);display:none}.qa-panel.open{display:block}.qa-panel h3{margin:0 0 4px}.qa-panel p{margin:0 0 12px;color:#b9c1d1;font-size:11px}.qa-option{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 0;border-top:1px solid rgba(255,255,255,.1);font-size:12px}.switch{width:38px;height:22px;background:#414a62;border-radius:999px;padding:3px;transition:.2s}.switch.on{background:var(--primary)}.switch-dot{width:16px;height:16px;background:#fff;border-radius:50%;transition:.2s}.switch.on .switch-dot{transform:translateX(16px)}
.modal-backdrop{position:fixed;inset:0;background:rgba(15,20,38,.48);display:grid;place-items:center;z-index:80;padding:20px}.modal{background:#fff;border-radius:20px;max-width:540px;width:100%;padding:22px;box-shadow:0 30px 90px rgba(15,20,38,.3)}.modal h2{margin:0 0 8px}.modal p{color:var(--muted);line-height:1.5}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}
.toast{position:fixed;left:50%;bottom:25px;transform:translateX(-50%);background:#202842;color:#fff;padding:11px 16px;border-radius:12px;box-shadow:var(--shadow);z-index:100;font-size:13px;font-weight:700;animation:toastIn .2s ease}.toast.success{background:#17775f}.toast.danger{background:#aa354d}@keyframes toastIn{from{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%,0)}}
.mobile-nav{display:none}.sponsored-card{border:1px solid #d9d3ff;background:linear-gradient(135deg,#fff,#f7f5ff)}.ad-creative{height:130px;border-radius:14px;background:linear-gradient(135deg,#6857f5,#aa9fff);color:white;padding:20px;display:flex;flex-direction:column;justify-content:flex-end}.ad-creative small{opacity:.85}.ad-creative h3{margin:4px 0 0;font-size:21px}.state-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.state-card{padding:12px;border-radius:12px;border:1px solid var(--line);background:#fff}.state-card strong{display:block;font-size:12px}.state-card span{font-size:11px;color:var(--muted)}
@media(max-width:1180px){.layout{grid-template-columns:220px minmax(0,1fr)}.rightbar{display:none}.top-search{max-width:300px}}
@media(max-width:860px){:root{--nav:64px}.topbar{padding:0 14px;gap:10px}.brand{min-width:0}.brand-text{display:none}.top-search{display:none}.top-actions .label{display:none}.layout{display:block;padding:16px 14px 88px}.sidebar{display:none}.page-head{flex-direction:column}.page-head h1{font-size:24px}.hero{padding:22px}.hero h1{font-size:28px}.grid.two,.grid.three,.grid.four{grid-template-columns:1fr}.teacher-card{grid-template-columns:auto 1fr}.teacher-actions{grid-column:1/-1;flex-direction:row}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:45;background:#fff;border-top:1px solid var(--line);padding:7px 10px max(7px,env(safe-area-inset-bottom));justify-content:space-around}.mobile-nav .m-item{font-size:10px;color:#7b8395;text-align:center;font-weight:700}.mobile-nav .m-item b{display:block;font-size:18px;margin-bottom:2px}.mobile-nav .m-item.active{color:var(--primary)}.qa-drawer{bottom:78px;right:12px}.qa-panel{width:min(310px,calc(100vw - 24px))}.modal-backdrop{align-items:end;padding:0}.modal{border-radius:22px 22px 0 0;max-width:none}.state-grid{grid-template-columns:1fr}}
.auth-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(180deg,#f7f5ff,#f4f7fb)}
.auth-card{width:min(520px,100%);background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow)}
.auth-card.wide-card{width:min(760px,100%)}
.auth-copy{text-align:center;margin:24px 0}.auth-copy h1,.auth-card>h1{text-align:center;margin:8px 0 10px}.auth-copy p,.auth-card>p{text-align:center;line-height:1.55}.wide{width:100%}
.otp-row{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin:20px 0}.otp-row input{width:100%;text-align:center;font-size:20px;font-weight:800;padding:12px 4px;border:1px solid var(--line);border-radius:12px}
.intent-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:20px}.intent-card{text-align:left;border:1px solid var(--line);background:#fff;border-radius:16px;padding:18px;cursor:pointer}.intent-card:hover{border-color:#cfc8ff;background:var(--primary-soft)}.intent-card strong{display:block;font-size:15px}.intent-card span{display:block;margin-top:5px;color:var(--muted);font-size:12px;line-height:1.4}
.avatar-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.avatar-choice{border:1px solid var(--line);background:#fff;border-radius:16px;padding:12px;display:grid;place-items:center}.avatar-choice:hover{border-color:#cfc8ff;background:var(--primary-soft)}
.tabs button.tab{background:none;border:0;cursor:pointer;font-family:inherit}
.primary-btn.disabled,.primary-btn:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}
@media(max-width:600px){.auth-shell{padding:14px}.auth-card{padding:22px;border-radius:20px}.intent-grid{grid-template-columns:1fr}.avatar-grid{grid-template-columns:repeat(4,1fr)}.otp-row{gap:5px}}