@import"https://fonts.googleapis.com/css2?family=Atkinson+Hyperlegible:wght@400;700&family=Literata:opsz,wght@7..72,700;7..72,800&display=swap";:root{color-scheme:light;--ink: #172033;--muted: #68758a;--surface: #ffffff;--surface-soft: #f7f9fc;--line: #d9e1ec;--blue: #2563eb;--blue-soft: #dbeafe;--green: #16875f;--green-soft: #dff7eb;--yellow: #b77900;--yellow-soft: #fff2c2;--red: #c2413f;--red-soft: #ffe4e2;--shadow: 0 10px 30px rgba(23, 32, 51, .08)}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;font-family:Atkinson Hyperlegible,sans-serif;color:var(--ink);background:linear-gradient(90deg,rgba(37,99,235,.05) 1px,transparent 1px),linear-gradient(rgba(22,135,95,.05) 1px,transparent 1px),#f3f7fb;background-size:28px 28px}button,input,textarea{font:inherit}button{cursor:pointer}h1,h2,h3,p{margin:0}h1,h2{font-family:Literata,serif;letter-spacing:0}.app-shell{width:min(1180px,calc(100% - 24px));margin:0 auto;padding:16px 0 28px}.auth-page{min-height:100vh;display:grid;align-content:center;gap:16px;width:min(440px,calc(100% - 24px));margin:0 auto;padding:28px 0}.auth-brand{padding:4px 0 8px}.school-mark{display:inline-grid;place-items:center;width:44px;height:44px;margin-bottom:14px;border-radius:8px;background:var(--blue);color:#fff;font-family:Literata,serif;font-size:1.5rem;font-weight:800}.school-mark.dark{background:#e50914;box-shadow:0 12px 34px #e5091457}.profile-select-page{min-height:100vh;display:grid;place-items:center;padding:32px 18px;background:radial-gradient(circle at top left,rgba(229,9,20,.22),transparent 34%),linear-gradient(180deg,#161616,#050505);color:#f6f6f6}.profile-select-content{width:min(960px,100%);display:grid;gap:34px;justify-items:center}.profile-select-brand{display:grid;gap:14px;justify-items:center;text-align:center}.profile-select-brand h1{font-family:Atkinson Hyperlegible,sans-serif;font-size:clamp(2rem,5vw,4rem);font-weight:700;line-height:1.05}.profile-select-grid{width:100%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(14px,3vw,28px)}.profile-select-card{display:grid;justify-items:center;gap:16px;border:0;padding:0;background:transparent;color:#a6a6a6;font-size:clamp(1rem,2.2vw,1.35rem);font-weight:700;transition:color .18s ease,transform .18s ease}.profile-select-avatar-frame,.profile-select-avatar,.profile-select-avatar-fallback{width:min(148px,26vw);height:min(148px,26vw);min-width:92px;min-height:92px;border-radius:8px}.profile-select-avatar-frame{position:relative;overflow:hidden;display:inline-block;outline:3px solid transparent;outline-offset:4px;background:#242424;transition:outline-color .18s ease,box-shadow .18s ease}.profile-select-avatar{position:absolute;top:0;left:0;object-fit:cover;transform-origin:center center}.profile-select-avatar-fallback{display:inline-grid;place-items:center;outline:3px solid transparent;outline-offset:4px;background:linear-gradient(135deg,#2f6fed,#16a36f);color:#fff;font-size:clamp(1.8rem,6vw,3.1rem);transition:outline-color .18s ease,box-shadow .18s ease}.profile-select-card:hover,.profile-select-card:focus-visible{color:#fff;transform:translateY(-4px)}.profile-select-card:hover .profile-select-avatar-frame,.profile-select-card:hover .profile-select-avatar-fallback,.profile-select-card:focus-visible .profile-select-avatar-frame,.profile-select-card:focus-visible .profile-select-avatar-fallback{outline-color:#fff;box-shadow:0 18px 50px #0000005c}.profile-select-logout{min-height:42px;border:1px solid #737373;border-radius:0;padding:8px 24px;background:transparent;color:#b3b3b3;font-weight:700;transition:border-color .18s ease,color .18s ease}.profile-select-logout:hover,.profile-select-logout:focus-visible{border-color:#fff;color:#fff}.eyebrow{margin-bottom:6px;color:var(--blue);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:0}.auth-brand h1,.app-header h1{font-size:2.2rem;line-height:1.05}.auth-panel,.lesson-card,.lesson-detail,.audit-item,.admin-summary>div{background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.auth-panel{display:grid;gap:14px;padding:18px}.field{display:grid;gap:8px}.field span{color:var(--muted);font-size:.92rem;font-weight:700}.field input,.field textarea{width:100%;min-height:48px;border:1px solid var(--line);border-radius:8px;padding:12px 14px;background:var(--surface-soft);color:var(--ink);outline:none}.field textarea{min-height:112px;resize:vertical;line-height:1.45}.field input:disabled,.field textarea:disabled,.upload-avatar input[type=file]:disabled{opacity:.55;cursor:not-allowed}.field input:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #2563eb24}.primary-button,.secondary-button,.ghost-button{min-height:44px;border:1px solid transparent;border-radius:8px;padding:10px 14px;font-weight:700;transition:background .16s ease,border-color .16s ease,transform .16s ease}.primary-button{background:var(--blue);color:#fff}.auth-panel .primary-button{width:100%}.secondary-button{background:var(--green-soft);color:var(--green);border-color:#16875f2e}.ghost-button{background:var(--surface);color:var(--ink);border-color:var(--line)}.primary-button:hover,.secondary-button:hover,.ghost-button:hover,.lesson-card:hover{transform:translateY(-1px)}.primary-button:disabled{opacity:.7;cursor:progress}.app-header{display:flex;flex-direction:column;gap:14px;margin-bottom:16px}.notification-banner{margin-bottom:12px;padding:12px;border:1px solid #93c5fd;border-radius:10px;background:#eff6ff;color:#1e3a8a;display:grid;gap:10px}.notification-banner p{margin:0;font-size:.9rem;font-weight:700}.notification-banner-actions{display:flex;gap:8px;flex-wrap:wrap}.header-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.profile-menu-wrap{position:relative}.profile-trigger{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:6px 10px 6px 6px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink);font-weight:700}.profile-avatar-frame,.profile-avatar,.profile-avatar-fallback{width:32px;height:32px;border-radius:50%}.profile-avatar-frame{position:relative;overflow:hidden;display:inline-block}.profile-avatar{position:absolute;top:0;left:0;object-fit:cover;transform-origin:center center}.profile-avatar-fallback{display:inline-grid;place-items:center;background:var(--blue-soft);color:var(--blue);font-size:.74rem;letter-spacing:.02em}.profile-trigger-name{font-size:.9rem}.profile-menu{position:absolute;right:0;top:calc(100% + 8px);z-index:30;width:min(280px,calc(100vw - 30px));padding:10px;border:1px solid var(--line);border-radius:10px;background:var(--surface);box-shadow:var(--shadow)}.profile-options{display:grid;gap:6px;margin-bottom:10px}.profile-option{min-height:40px;display:grid;grid-template-columns:1fr auto;align-items:stretch;gap:8px;padding:4px;border:1px solid var(--line);border-radius:8px;background:var(--surface-soft);color:var(--ink)}.profile-option-select{min-height:40px;border:0;background:transparent;color:inherit;text-align:left;font-weight:700;border-radius:6px;padding:0 8px}.profile-option-edit{min-width:34px;min-height:34px;align-self:center;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--blue);font-size:.95rem;font-weight:800;display:inline-grid;place-items:center;cursor:pointer}.profile-option-row{display:inline-flex;align-items:center;gap:8px}.profile-option-avatar-frame,.profile-option-avatar,.profile-option-avatar-fallback{width:24px;height:24px;border-radius:50%}.profile-option-avatar-frame{position:relative;overflow:hidden;display:inline-block}.profile-option-avatar{position:absolute;top:0;left:0;object-fit:cover;transform-origin:center center}.profile-option-avatar-fallback{display:inline-grid;place-items:center;background:var(--blue-soft);color:var(--blue);font-size:.62rem}.profile-option.active{border-color:var(--blue);background:var(--blue-soft);color:var(--blue)}.upload-avatar{display:grid;gap:8px;margin-bottom:10px;color:var(--ink);font-size:.84rem;font-weight:700;justify-items:start;position:relative}.upload-avatar input[type=file]{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;pointer-events:none}.upload-icon{display:inline-grid;place-items:center;width:100%;min-height:58px;border-radius:8px;border:1px dashed #9db0ca;background:#fcfdff;color:var(--blue);font-size:.9rem;line-height:1;cursor:pointer;transition:border-color .16s ease,box-shadow .16s ease,background .16s ease,transform .16s ease}.upload-icon svg{width:32px;height:32px;fill:currentColor}.upload-avatar:hover .upload-icon{border-color:#7ea1d4;background:#f4f8ff;transform:translateY(-1px)}.upload-avatar:focus-within .upload-icon{border-color:var(--blue);box-shadow:0 0 0 3px #2563eb24}.upload-icon.drag-active{border-color:#2563eb;background:#dbeafe;box-shadow:0 0 0 4px #2563eb33;transform:translateY(-1px)}.upload-avatar input[type=file]:disabled+.upload-icon,.upload-avatar:has(input[type=file]:disabled) .upload-icon{opacity:.5;cursor:not-allowed;transform:none}.profile-logout{width:100%}.profile-page{display:grid;gap:12px}.profile-grid{display:grid;gap:10px}.profile-card{display:grid;gap:10px;padding:14px;background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.profile-card.active{border-color:var(--blue);box-shadow:0 0 0 3px #2563eb1f,var(--shadow)}.profile-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.profile-card-avatar-frame,.profile-card-avatar,.profile-card-avatar-fallback{width:54px;height:54px;border-radius:50%}.profile-card-avatar-frame{position:relative;overflow:hidden;display:inline-block}.profile-card-avatar{position:absolute;top:0;left:0;object-fit:cover;transform-origin:center center}.profile-card-avatar-fallback{display:inline-grid;place-items:center;background:var(--blue-soft);color:var(--blue);font-weight:700}.avatar-edit-trigger{position:relative;border:0;padding:0;background:transparent;border-radius:50%}.avatar-edit-badge{position:absolute;right:-2px;bottom:-2px;width:22px;height:22px;display:inline-grid;place-items:center;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--ink);font-size:.72rem;font-weight:700}.cropper-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;display:grid;place-items:center;padding:16px;background:#1720338c}.cropper-card{width:min(520px,100%);display:grid;gap:12px;padding:16px;border:1px solid var(--line);border-radius:10px;background:var(--surface);box-shadow:var(--shadow)}.cropper-preview-wrap{width:260px;height:260px;margin:0 auto;border-radius:50%;overflow:hidden;border:2px solid var(--line);background:#e9eff8;position:relative}.cropper-preview-image{position:absolute;top:0;right:0;bottom:0;left:0;background-size:cover;background-repeat:no-repeat;background-position:center;transform-origin:center center;touch-action:none;-webkit-user-select:none;user-select:none}.cropper-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.summary-strip,.admin-summary{display:grid;gap:8px;margin-bottom:14px}.summary-strip{grid-template-columns:repeat(4,1fr)}.admin-summary{grid-template-columns:repeat(3,1fr)}.summary-strip>div,.admin-summary>div{padding:12px;border-radius:8px;background:var(--surface);border:1px solid var(--line)}.summary-strip strong,.admin-summary strong{display:block;font-size:1.35rem;line-height:1}.summary-strip span,.admin-summary span,.section-heading span,.lesson-dates,.audit-meta,.empty-state{color:var(--muted);font-size:.86rem}.workspace{display:grid;gap:14px;align-items:start}.lesson-list{min-width:0}.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:10px}.section-heading.compact{margin-bottom:0}.media-icon-set{display:inline-flex;align-items:center;gap:6px;color:var(--muted)}.media-icon-set svg{width:16px;height:16px;fill:currentColor}.section-heading h2{font-size:1.35rem}.lesson-stack,.audit-list{display:grid;gap:10px}.lesson-card{display:grid;gap:9px;padding:13px;color:inherit;outline:none}.lesson-card.active{border-color:var(--blue);box-shadow:0 0 0 3px #2563eb1f,var(--shadow)}.lesson-card:focus-visible{box-shadow:0 0 0 3px #2563eb2e,var(--shadow)}.lesson-card-top,.detail-header,.audit-topline{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.subject-label{color:var(--blue);font-size:.8rem;font-weight:800;text-transform:uppercase}.chip-row{display:flex;align-items:center;justify-content:flex-end;gap:6px;flex-wrap:wrap}.lesson-meta-chips{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.lesson-mini-chip{display:inline-flex;align-items:center;min-height:20px;padding:2px 7px;border-radius:6px;font-size:.68rem;font-weight:700;line-height:1}.lesson-mini-chip.today{background:#ffedd5;color:#c2410c}.lesson-mini-chip.tomorrow{background:var(--red-soft);color:var(--red)}.lesson-mini-chip.due-today{background:#fef3c7;color:#92400e}.lesson-mini-chip.overdue{background:#fee2e2;color:#991b1b}.lesson-mini-chip.launched{background:#eef2ff;color:#3730a3}.lesson-card h3{font-size:1.02rem;line-height:1.25}.lesson-card p{color:var(--muted);line-height:1.42;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.lesson-dates,.date-pills{display:flex;flex-wrap:wrap;gap:8px}.lesson-dates span,.date-pills span{display:inline-flex;align-items:center;min-height:28px;padding:5px 8px;border:1px solid var(--line);border-radius:8px;background:var(--surface-soft)}.read-chip,.status-chip,.event-chip{position:relative;display:inline-flex;align-items:center;min-height:28px;border:1px solid transparent;border-radius:8px;padding:5px 8px;font-size:.76rem;font-weight:800;line-height:1}.read-chip{background:var(--yellow-soft);color:var(--yellow)}.status-chip{background:var(--blue-soft);color:var(--blue)}.status-chip.done,.event-complete{background:var(--green-soft);color:var(--green)}.status-chip.read,.event-open,.event-read{background:var(--yellow-soft);color:var(--yellow)}.status-chip.today{background:#ffedd5;color:#c2410c}.status-chip.tomorrow{background:var(--red-soft);color:var(--red)}.status-chip.due-today{background:#fef3c7;color:#92400e}.status-chip.overdue{background:#fee2e2;color:#991b1b}.status-chip.launched{background:#eef2ff;color:#3730a3}.event-unread,.event-uncomplete{background:var(--red-soft);color:var(--red)}.read-tooltip{position:absolute;right:0;bottom:calc(100% + 8px);min-width:max-content;max-width:220px;padding:8px 10px;border-radius:8px;background:var(--ink);color:#fff;font-size:.78rem;font-weight:700;white-space:nowrap;opacity:0;pointer-events:none;transform:translateY(4px);transition:opacity .16s ease,transform .16s ease;z-index:5}@media(hover:hover)and (pointer:fine){.read-chip:hover .read-tooltip{opacity:1;transform:translateY(0)}}@media(hover:none)and (pointer:coarse){.read-chip.open .read-tooltip{opacity:1;transform:translateY(0)}}.lesson-detail{display:grid;gap:14px;padding:14px}.detail-header h2{margin-top:4px;font-size:1.45rem;line-height:1.15}.status-chip.large{min-height:32px;font-size:.8rem}.description-panel{padding:16px;border-radius:8px;background:#fff8d9;border:1px solid #eedc91}.description-panel p{font-size:1.08rem;line-height:1.58;font-weight:700}.homework-note-panel,.homework-evidence-panel{display:grid;gap:10px;padding:12px;border:1px solid var(--line);border-radius:8px;background:var(--surface-soft)}.homework-note-panel .ghost-button{justify-self:start}.message-thread{display:grid;gap:8px;max-height:260px;overflow:auto;padding-right:2px}.message-item{display:grid;grid-template-columns:34px minmax(0,1fr);gap:8px;align-items:start}.message-avatar{width:34px;height:34px;border-radius:50%;object-fit:cover;border:1px solid var(--line);background:#e9eff8}.message-avatar.fallback{display:inline-grid;place-items:center;font-size:.7rem;font-weight:700;color:var(--blue);background:var(--blue-soft)}.message-body{min-width:0;display:grid;gap:4px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.message-meta{display:flex;align-items:center;justify-content:space-between;gap:8px}.message-meta strong{font-size:.78rem}.message-meta time{color:var(--muted);font-size:.72rem;font-weight:700}.message-body p{margin:0;white-space:pre-wrap;word-break:break-word;line-height:1.35}.evidence-upload{margin-bottom:0}.evidence-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.evidence-item{position:relative;min-width:0;display:grid;gap:6px;padding:8px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.evidence-item img,.evidence-item video{width:100%;aspect-ratio:4 / 3;display:block;border:1px solid var(--line);border-radius:8px;background:#e9eff8;object-fit:cover}.evidence-media-link{display:block}.evidence-media-link img{cursor:zoom-in}.evidence-item span{overflow:hidden;color:var(--muted);font-size:.78rem;font-weight:700;text-overflow:ellipsis;white-space:nowrap}.evidence-trash{position:absolute;top:12px;right:12px;width:30px;height:30px;border:1px solid rgba(255,255,255,.9);border-radius:999px;background:#00000094;color:#fff;display:inline-grid;place-items:center;cursor:pointer;z-index:2}.evidence-trash:disabled{opacity:.5;cursor:not-allowed}.upload-progress{display:grid;grid-template-columns:1fr auto;align-items:center;gap:8px;margin-top:8px}.upload-progress-track{width:100%;height:10px;border-radius:999px;background:#e9eff8;overflow:hidden}.upload-progress-fill{height:100%;background:linear-gradient(90deg,#0ea5e9,#2563eb);transition:width .16s ease}.upload-progress span{min-width:42px;text-align:right;color:var(--muted);font-size:.76rem;font-weight:700}.date-pills strong{margin-left:5px}.detail-actions{display:grid;gap:8px}.mobile-back-summary{display:none}.audit-item{display:grid;gap:8px;padding:13px}.audit-item h2{font-size:1rem}.audit-item p{color:var(--muted)}.audit-meta{display:flex;flex-wrap:wrap;gap:8px}.error{padding:10px 12px;border-radius:8px;background:var(--red-soft);color:var(--red);font-weight:700}.success{padding:10px 12px;border-radius:8px;background:var(--green-soft);color:var(--green);font-weight:700}@media(min-width:720px){.mobile-back-summary{display:none}.app-shell{width:min(1180px,calc(100% - 36px));padding-top:24px}.app-header{flex-direction:row;align-items:flex-end;justify-content:space-between}.auth-page{grid-template-columns:1fr 360px;width:min(860px,calc(100% - 36px));align-items:end}.workspace{grid-template-columns:minmax(0,1fr) minmax(320px,430px)}.profile-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.detail-actions{grid-template-columns:1fr 1fr}}@media(max-width:719px){.header-actions{position:relative}.profile-menu-wrap{position:static}.profile-menu{left:0;right:0;width:auto;max-width:none;top:calc(100% + 8px)}.summary-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.summary-strip.hide-on-mobile{display:none}.mobile-back-summary{display:inline-flex;align-items:center;gap:8px;width:100%;margin:0 0 12px;text-align:left}.workspace.detail-open .lesson-list{display:none}.workspace:not(.detail-open) .lesson-detail{display:none}}@media(min-width:1024px){.lesson-detail{position:sticky;top:18px;max-height:calc(100vh - 36px);overflow:auto}}
