:root{--ink:#102a43;--muted:#627d98;--brand:#166534;--brand2:#15803d;--soft:#f0fdf4;--line:#d9e2ec;--danger:#b91c1c;--bg:#f8fafc;--card:#fff}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.5}nav{background:#fff;border-bottom:1px solid var(--line);padding:15px 5%;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:10}.navlinks{display:flex;gap:16px;align-items:center;flex-wrap:wrap}nav a{color:var(--ink);text-decoration:none}.brand{font-size:25px;font-weight:800;color:var(--brand)}.container{width:min(1120px,92%);margin:32px auto}.hero{background:linear-gradient(135deg,#ecfdf5,#fff);padding:48px;border:1px solid #bbf7d0;border-radius:22px;margin-bottom:28px}.hero h1{font-size:clamp(34px,6vw,58px);line-height:1.05;margin:0 0 15px}.hero p{font-size:19px;color:#3f5f52;max-width:740px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}.two-col{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}.card{background:var(--card);border:1px solid var(--line);border-radius:15px;padding:22px;box-shadow:0 4px 14px rgba(15,23,42,.04)}.card h3{margin-top:8px}.badge{display:inline-block;padding:5px 10px;border-radius:999px;background:var(--soft);color:var(--brand);font-weight:700;font-size:13px}.badge.pending{background:#fff7ed;color:#9a3412}.badge.rejected{background:#fef2f2;color:#b91c1c}.button{display:inline-block;background:var(--brand);color:#fff;padding:11px 16px;border-radius:9px;text-decoration:none;border:0;cursor:pointer;font-weight:700}.button:hover{background:var(--brand2)}.button.secondary{background:#fff;color:var(--brand);border:1px solid var(--brand)}.button.danger{background:var(--danger)}.button.small{padding:7px 10px;font-size:13px}.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}form.panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px}label{display:block;margin-top:14px;font-weight:700}input,textarea,select{width:100%;padding:11px;margin-top:6px;border:1px solid #bcccdc;border-radius:8px;background:#fff;font:inherit}textarea{min-height:110px}.flash{padding:12px;border-radius:9px;margin-bottom:18px;border:1px solid #a3e635;background:#ecfccb}.flash.error{background:#fef2f2;border-color:#fecaca;color:#991b1b}.flash.success{background:#ecfdf5;border-color:#bbf7d0;color:#14532d}.muted{color:var(--muted)}.price{font-size:22px;font-weight:800}.searchbar{display:grid;grid-template-columns:2fr 1fr auto;gap:10px;margin:24px 0}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px}.stat{background:#fff;border:1px solid var(--line);padding:18px;border-radius:14px}.stat strong{font-size:27px;display:block}table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line)}th,td{text-align:left;border-bottom:1px solid var(--line);padding:12px;vertical-align:top}th{background:#f8fafc}.inline{display:inline}.empty{text-align:center;padding:34px;background:#fff;border:1px dashed #bcccdc;border-radius:14px}.topline{display:flex;justify-content:space-between;align-items:center;gap:14px}.notice{padding:16px;border-left:4px solid var(--brand);background:var(--soft);border-radius:8px;margin:16px 0}@media(max-width:760px){nav{align-items:flex-start}.navlinks{justify-content:flex-end}.two-col,.searchbar,.stats{grid-template-columns:1fr}.hero{padding:30px}.container{margin-top:22px}table{display:block;overflow-x:auto}}
.learning-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:24px}.messages{display:flex;flex-direction:column;gap:12px;margin-bottom:18px}.message{max-width:78%;background:#fff;border:1px solid var(--line);border-radius:14px;padding:13px 15px}.message.mine{align-self:flex-end;background:var(--soft);border-color:#bbf7d0}.message p{margin:6px 0}.message small{color:var(--muted)}.assignment-list{display:flex;flex-direction:column;gap:14px}.assignment-card textarea{min-height:85px}.badge.in_progress{background:#eff6ff;color:#1d4ed8}.badge.completed{background:#ecfdf5;color:#166534}@media(max-width:900px){.learning-grid{grid-template-columns:1fr}.message{max-width:90%}}
.profile-photo{width:150px;height:150px;object-fit:cover;border-radius:18px;border:1px solid var(--line);background:#eef2f7}.profile-photo.preview{display:block;margin:10px 0}.profile-header,.profile-summary{display:flex;gap:20px;align-items:flex-start}.profile-editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.completion{background:var(--soft);border:1px solid #bbf7d0;border-radius:12px;padding:10px 16px;text-align:center}.completion strong{display:block;font-size:24px}.checkbox{display:flex;gap:10px;align-items:center}.checkbox input{width:auto;margin:0}.avatar-small{width:42px;height:42px;border-radius:50%;object-fit:cover;vertical-align:middle;margin-right:8px}@media(max-width:760px){.profile-editor-grid{grid-template-columns:1fr}.profile-header,.profile-summary{flex-direction:column}}
.eyebrow{margin:0 0 4px;color:var(--brand);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.section-block{margin-top:34px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:14px}.section-heading h2{margin-bottom:2px}.child-card{display:grid;grid-template-columns:auto 1fr;gap:16px;position:relative}.child-avatar{width:52px;height:52px;border-radius:16px;background:var(--soft);color:var(--brand);font-weight:800;font-size:22px;display:grid;place-items:center;border:1px solid #bbf7d0}.child-avatar.large{width:76px;height:76px;font-size:30px}.card-actions{grid-column:1/-1}.full-span{grid-column:1/-1}.empty.compact{padding:16px}.table-wrap{overflow-x:auto}.archive-panel{margin-top:30px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}.archive-panel summary{cursor:pointer;font-weight:800}.archive-list{margin-top:12px}.archive-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-top:1px solid var(--line)}.narrow-page{max-width:820px;margin:0 auto}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.optional{font-weight:400;color:var(--muted);font-size:12px}.form-actions{margin-top:22px}.detail-list{margin:0}.detail-list div{padding:12px 0;border-bottom:1px solid var(--line)}.detail-list dt{font-weight:800}.detail-list dd{margin:4px 0 0;color:var(--muted)}.mini-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0}.mini-stats div{background:var(--soft);border-radius:12px;padding:14px}.mini-stats strong{font-size:24px;display:block}.mini-stats span{font-size:13px;color:var(--muted)}@media(max-width:760px){.form-grid{grid-template-columns:1fr}.child-card{grid-template-columns:1fr}.archive-row{align-items:flex-start;gap:12px}.stats{grid-template-columns:1fr 1fr}}
.workspace-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(280px,1fr);gap:24px;margin:24px 0}.compact{display:flex;gap:12px;align-items:end}.compact label{flex:1}.timeline-item{display:flex;justify-content:space-between;gap:20px;padding:12px 0;border-bottom:1px solid var(--line)}.badge.on_track{background:#dcfce7;color:#166534}.badge.needs_attention{background:#fef3c7;color:#92400e}.badge.urgent{background:#fee2e2;color:#991b1b}@media(max-width:800px){.workspace-grid{grid-template-columns:1fr}.compact{display:block}}
.logo-brand{display:flex;align-items:center}.logo-brand img{height:64px;width:auto;display:block}.task-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem}.task-card{border-left:5px solid #1d4ed8}.task-card.urgent{border-left-color:#ea580c}.task-card.overdue{border-left-color:#dc2626}.task-meta{display:flex;gap:.5rem;flex-wrap:wrap;margin:.6rem 0}.progress-chip{padding:.25rem .55rem;border-radius:999px;background:#eef2ff;font-size:.82rem}.confidence.confident{color:#15803d}.confidence.needs_practice{color:#a16207}.confidence.needs_additional_help{color:#b91c1c}.task-layout{display:grid;grid-template-columns:2fr 1fr;gap:1.25rem}.stack>*+*{margin-top:1rem}@media(max-width:800px){.task-layout{grid-template-columns:1fr}.logo-brand img{height:52px}}

.schedule-list{display:flex;flex-direction:column;gap:14px}.schedule-card{display:flex;justify-content:space-between;gap:18px;align-items:center}.schedule-time{font-size:1.08rem;font-weight:800}.popover-form{margin-top:10px;background:#fff;border:1px solid var(--line);padding:12px;border-radius:10px;min-width:260px}.unread-card{border-left:5px solid var(--brand)}details summary{cursor:pointer;list-style:none}@media(max-width:760px){.schedule-card{align-items:flex-start;flex-direction:column}}

/* Sprint 8: Live video classroom */
.classroom-heading{margin-bottom:18px}.classroom-card{padding:16px}.classroom-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:12px}.classroom-toolbar p{margin:6px 0 0}.jitsi-classroom{width:100%;min-height:700px;background:#0f172a;border-radius:12px;overflow:hidden}.jitsi-classroom iframe{display:block;border:0;width:100%!important;min-height:700px}.classroom-loading{min-height:700px;display:grid;place-items:center;color:#e2e8f0;font-weight:700}.classroom-safety{margin-bottom:18px}@media(max-width:760px){.classroom-toolbar{align-items:flex-start;flex-direction:column}.jitsi-classroom,.classroom-loading,.jitsi-classroom iframe{min-height:560px}}