:root{--bg: #fff8eb;--surface: #ffffff;--surface2: #fff1d6;--border: #f0d7a8;--text: #2c2416;--muted: #7a6b52;--accent: #f2a10a;--accent-dim: #d48900;--success: #2a9d5c;--warning: #e89a00;--danger: #d64535;--radius: 12px;--shadow: 0 8px 24px rgba(242, 161, 10, .16)}*{box-sizing:border-box;margin:0;padding:0}html{font-family:Inter,system-ui,-apple-system,sans-serif;color:var(--text);background:var(--bg);line-height:1.5;-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%}body,#root{min-height:100vh;background:var(--bg)}a{color:var(--accent);text-decoration:none}button,input,select,textarea{font:inherit}.app-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:16px;padding:14px 24px;border-bottom:1px solid var(--border);background:var(--surface)}.topbar-start{min-width:0}.topbar-brand{font-weight:700;font-size:1rem;line-height:1.2}.topbar-school{color:var(--muted);font-size:.82rem;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar-nav{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap}.nav-link{display:inline-flex;align-items:center;padding:8px 14px;border-radius:999px;color:var(--muted);border:1px solid transparent;font-size:.9rem;font-weight:500;white-space:nowrap;transition:background .15s,color .15s,border-color .15s}.nav-link:hover{color:var(--text);background:var(--surface2)}.nav-link.active{color:#fff;background:var(--accent);border-color:var(--accent)}.topbar-user{display:flex;align-items:center;justify-content:flex-end;gap:12px;min-width:0}.topbar-profile{display:flex;flex-direction:column;align-items:flex-end;min-width:0}.topbar-name{font-size:.9rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:180px}.topbar-role{font-size:.75rem;color:var(--muted)}.main-content{flex:1;width:100%;max-width:960px;margin:0 auto;padding:28px 24px 40px}.main-content:has(.mb-page){max-width:none;padding:12px 16px 16px;display:flex;flex-direction:column;min-height:0}.page-header{margin-bottom:20px}.page-title{font-size:1.6rem;font-weight:700;line-height:1.2;margin-bottom:6px}.page-subtitle{color:var(--muted);font-size:.95rem}.back-link{display:inline-block;margin-bottom:10px;font-size:.9rem;color:var(--muted)}.back-link:hover{color:var(--text)}.text-muted{color:var(--muted)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.card+.card{margin-top:16px}.card-title{font-size:1rem;font-weight:600;margin-bottom:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:8px;border:none;cursor:pointer;font-weight:500;white-space:nowrap;transition:background .15s,opacity .15s}.btn-sm{padding:7px 12px;font-size:.85rem}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-dim)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--border)}.btn-ghost:hover{background:var(--surface2);color:var(--text)}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:6px}.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:var(--surface2);color:var(--text)}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:2px solid var(--accent);border-color:transparent}.error-banner{background:#fde8e6;border:1px solid #f5c2bc;color:#d64535;padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:.9rem}.info-banner{background:#fff1d6;border:1px solid #f0d7a8;color:#7a6b52;padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:.9rem}.progress-ring-wrap{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.progress-ring{width:88px;height:88px;flex-shrink:0;border-radius:50%;background:conic-gradient(var(--accent) calc(var(--pct) * 1%),var(--surface2) 0);display:grid;place-items:center}.progress-ring-inner{width:68px;height:68px;border-radius:50%;background:var(--surface);display:grid;place-items:center;font-weight:700;font-size:1.1rem}.lesson-list{list-style:none;display:flex;flex-direction:column;gap:8px}.lesson-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;background:var(--surface2);border-radius:8px;border:1px solid var(--border)}.lesson-item.locked{opacity:.55}.lesson-item-title{flex:1;min-width:0;line-height:1.35}.lesson-item-main{flex:1;min-width:0}.lesson-item-meta{font-size:.85rem;color:var(--muted);margin-top:4px}.status-sq{width:12px;height:12px;border-radius:3px;flex:0 0 auto;display:inline-block;border:1px solid rgba(0,0,0,.12);vertical-align:middle}.status-green{background:#1a9a4a}.status-yellow{background:#d4a017}.status-red{background:#c62828}.journal-student-name{display:inline-flex;align-items:center;gap:8px}.journal-legend,.journal-group-meta{display:inline-flex;flex-wrap:wrap;align-items:center;gap:8px;font-weight:400}.journal-group-meta{margin-left:8px}.journal-legend-item{display:inline-flex;align-items:center;gap:6px}.lesson-item-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-shrink:0;flex-wrap:wrap}.status-pill{font-size:.75rem;padding:4px 10px;border-radius:999px;font-weight:500;white-space:nowrap}.status-available{background:#ffe7b3;color:#9a6200}.status-watching{background:#fff1d0;color:#9a6200}.status-passed{background:#d9f5e5;color:#1d7a45}.status-locked{background:#f0e6d4;color:var(--muted)}.status-homework{background:#fff1d0;color:#9a6200}.video-shell{background:#000;border-radius:var(--radius);overflow:hidden;margin-bottom:16px}.video-shell video{width:100%;display:block;max-height:420px;object-fit:contain}.video-controls{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.watch-bar{height:6px;background:var(--surface2);border-radius:3px;overflow:hidden;margin:12px 0}.watch-bar-fill{height:100%;background:var(--accent);transition:width .3s}.question-block{padding:16px;background:var(--surface2);border-radius:8px;margin-bottom:12px}.option-label{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;border-radius:8px;cursor:pointer;border:1px solid transparent;margin-top:8px}.option-label:hover{background:var(--surface)}.option-label.selected{border-color:var(--accent);background:#fff1d6}.login-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at top,rgba(242,161,10,.22),transparent 40%),var(--bg)}.login-card{width:100%;max-width:420px}.login-card h1{font-size:1.75rem;margin-bottom:8px}.login-card p{color:var(--muted);margin-bottom:24px;font-size:.9rem}.nav-tabs{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}.nav-tab{padding:8px 16px;border-radius:8px;background:var(--surface2);color:var(--muted);border:1px solid var(--border);cursor:pointer}.nav-tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-top:16px}.stat-box{background:var(--surface2);padding:14px;border-radius:8px;text-align:center}.stat-box .value{font-size:1.4rem;font-weight:700}.stat-box .label{font-size:.75rem;color:var(--muted);margin-top:4px}.tabbar{display:none}.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px}.role-pick{display:flex;flex-direction:column;gap:12px;width:100%;max-width:440px}.role-pick-card{display:flex;align-items:center;gap:14px;padding:14px;background:var(--surface);border:1px solid var(--border);border-radius:16px;color:var(--text);min-height:88px}.role-pick-card img{width:56px;height:56px;border-radius:14px;object-fit:cover}.role-pick-card strong{display:block;font-size:1.05rem}.role-pick-card span{display:block;color:var(--muted);font-size:.85rem;margin-top:2px}.mobile-home{width:100%;max-width:440px;padding:12px 4px 32px}.mobile-home h1{font-size:1.8rem;margin-bottom:6px}.mobile-home>p{color:var(--muted);margin-bottom:20px}@media(max-width:860px){html,body{min-height:100dvh}.app-shell{min-height:100dvh;padding-bottom:calc(64px + env(safe-area-inset-bottom,0px))}.topbar{position:sticky;top:0;z-index:20;grid-template-columns:1fr 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.btn{flex:1}.progress-ring-wrap{flex-direction:column;align-items:center;text-align:center}.video-controls{flex-direction:column}.video-controls .btn{width:100%}.ticket-head{flex-direction:column}.ticket-timer{align-self:stretch;text-align:center}.ticket-nav{grid-template-columns:repeat(5,minmax(0,1fr))}.option-label{width:100%;text-align:left;min-height:48px}.form-group input,.form-group select,.form-group textarea{font-size:16px;min-height:44px}.login-page{padding:48px 16px 16px;align-items:start}.login-card{max-width:none}}.ticket-image{width:100%;max-width:560px;display:block;margin:0 auto}.ticket-image-plate{background:#fff;border-radius:10px;padding:12px;margin:0 0 16px}.ticket-qnum{font-size:.8rem;color:var(--muted);margin-bottom:6px;font-weight:600}.ticket-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.ticket-timer{font-size:1.4rem;font-weight:700;font-variant-numeric:tabular-nums;padding:8px 14px;border-radius:8px;background:var(--surface2);border:1px solid var(--border)}.ticket-timer.danger{color:#d64535;border-color:#f5c2bc}.ticket-nav{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:6px;margin-bottom:16px}.ticket-nav-cell{height:36px;border-radius:8px;border:1px solid var(--border);background:var(--surface2);color:var(--muted);cursor:pointer;font-weight:600}.ticket-nav-cell.current{border-color:var(--accent);color:var(--text);background:#ffe7b3}.ticket-nav-cell.done{background:#ffe7b3;color:#9a6200}.ticket-nav-cell.ok{background:#d9f5e5;color:#1d7a45}.ticket-nav-cell.bad{background:#fde8e6;color:#d64535}.option-label{color:var(--text);background:var(--surface2);-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%}.option-label.correct{border-color:var(--success);background:#34c7591f}.option-label.wrong{border-color:var(--danger);background:#ff453a1f}.print-right{text-align:right;margin-bottom:24px}.print-title{text-align:center;margin:16px 0 20px;font-size:1.15rem}.print-sheet{background:#fff;color:#111;padding:24px;margin:24px 0;border:1px solid var(--border)}.print-table{width:100%;border-collapse:collapse;font-size:.85rem;margin:16px 0}.print-table th,.print-table td{border:1px solid #333;padding:6px 8px;text-align:left;color:#111}@media print{.no-print,.topbar,.tabbar{display:none!important}.app-shell{padding:0;background:#fff}.main-content{max-width:none;padding:0}.print-sheet{border:0;page-break-after:always;margin:0}}.option-letter{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--surface);border:1px solid var(--border);display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem}.mb-page{flex:1;display:flex;flex-direction:column;min-height:0;gap:8px}.mb-app{display:grid;grid-template-columns:320px 1fr auto;flex:1;min-height:520px;height:calc(100dvh - 120px);border:1px solid var(--border);border-radius:14px;overflow:hidden;background:var(--surface)}.mb-side{display:flex;flex-direction:column;border-right:1px solid var(--border);background:var(--surface2);min-height:0}.mb-side-top{display:flex;gap:6px;padding:10px;align-items:center;border-bottom:1px solid var(--border)}.mb-search{border:1px solid var(--border);border-radius:18px;padding:0 12px;background:#fff;height:36px;min-height:36px;line-height:36px;width:100%;flex:1 1 auto;min-width:0}.mb-icon{width:36px;height:36px;padding:0;border-radius:10px;background:transparent;color:var(--text);border:1px solid var(--border);display:inline-flex;align-items:center;justify-content:center;flex:none;cursor:pointer}.mb-list{overflow:auto;flex:1}.mb-row{display:flex;gap:10px;width:100%;text-align:left;padding:10px 12px;border:0;background:transparent;color:inherit;border-radius:0;align-items:center;cursor:pointer}.mb-row:hover{background:#fff7e8}.mb-row.on{background:#ffe7b8}.mb-ava{width:42px;height:42px;border-radius:50%;background:var(--accent);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex:none}.mb-row-text{min-width:0;display:flex;flex-direction:column;gap:2px}.mb-row-text strong{display:flex;justify-content:space-between;gap:8px;font-weight:650}.mb-row-text span{color:var(--muted);font-size:.82rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mb-badge{background:var(--accent);color:#fff;border-radius:10px;font-style:normal;font-size:11px;padding:1px 7px;min-width:18px;text-align:center}.mb-main{display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--surface)}.mb-empty{margin:auto;text-align:center;color:var(--muted);padding:32px}.mb-empty h2{color:var(--text);margin:0 0 8px}.mb-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 12px;border-bottom:1px solid var(--border);position:relative}.mb-head-main{display:flex;align-items:center;gap:10px;background:transparent;color:inherit;border:0;text-align:left;padding:4px 6px;border-radius:10px;cursor:pointer}.mb-head-main:hover{background:#fff7e8}.mb-head-main span{display:flex;flex-direction:column}.mb-head-actions{position:relative}.mb-menu{position:absolute;right:0;top:40px;background:#fff;border:1px solid var(--border);border-radius:12px;min-width:220px;padding:6px;z-index:5;box-shadow:var(--shadow)}.mb-menu button,.mb-menu-item{display:block;width:100%;text-align:left;background:transparent;color:inherit;border:0;padding:8px 10px;border-radius:8px;cursor:pointer}.mb-menu button:hover,.mb-menu-item:hover{background:#fff7e8}.mb-menu button.danger{color:var(--danger)}.mb-menu-item select{margin-left:8px}.mb-log{flex:1;overflow:auto;padding:16px 18px;background:#fff8eb}.mb-msg{margin-bottom:12px;text-align:left}.mb-msg.mine{text-align:right}.mb-compose{border-top:1px solid var(--border);padding:8px 10px 10px;background:#fff}.mb-compose-row{display:flex;gap:6px;align-items:center}.mb-compose-row input{flex:1;border:1px solid var(--border);border-radius:18px;height:40px;padding:0 14px;min-width:0}.mb-drawer{width:320px;border-left:1px solid var(--border);display:flex;flex-direction:column;min-height:0;background:#fff;padding:10px;gap:8px}.mb-drawer-head{display:flex;justify-content:space-between;align-items:center;gap:8px}.mb-add-full{width:100%}.mb-members{overflow:auto;flex:1}.mb-member{display:flex;align-items:center;gap:10px;padding:8px 4px;border-bottom:1px solid #f3ead6}.mb-modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#2c241666;display:flex;align-items:center;justify-content:center;z-index:40;padding:16px}.mb-modal-box{background:#fff;border-radius:16px;width:100%;max-width:440px;max-height:80vh;overflow:auto;padding:16px}.mb-media{display:inline-block;max-width:min(360px,100%);margin:6px 0;border-radius:12px;overflow:hidden;vertical-align:top}.mb-media img,.mb-media video{display:block;max-width:100%;max-height:320px;background:#111}.mb-attach-wrap{position:relative}.mb-attach-menu{position:absolute;left:0;bottom:44px;background:#fff;border:1px solid var(--border);border-radius:12px;min-width:168px;padding:6px;z-index:6;box-shadow:var(--shadow)}.mb-attach-menu button{display:block;width:100%;text-align:left;background:transparent;border:0;padding:8px 10px;border-radius:8px;cursor:pointer}.mb-attach-menu button:hover{background:#fff7e8}.bubble{display:inline-block;max-width:80%;padding:8px 12px;border-radius:12px;background:#f3ead6}.bubble.mine{background:#ffe7b8}.emoji-row{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:8px}.mb-emoji{padding:4px 6px;background:transparent;border:0;cursor:pointer;font-size:1.15rem}.people-pick{max-height:220px;overflow:auto;margin:8px 0 12px;border:1px solid var(--border);border-radius:10px;padding:8px 12px}.linkish{background:none;border:0;color:var(--muted);cursor:pointer;padding:0;font:inherit}.mb-field{display:grid;gap:6px;font-size:.9rem;margin-bottom:12px}.mb-field input{border:1px solid var(--border);border-radius:10px;padding:8px 10px}.mb-kind-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}@media(max-width:860px){.mb-app{grid-template-columns:1fr;height:auto;min-height:0}.mb-side{max-height:36vh;border-right:0;border-bottom:1px solid var(--border)}.mb-main{min-height:48vh}.mb-drawer{width:100%;border-left:0;border-top:1px solid var(--border);max-height:40vh}.mb-compose-row .btn{min-height:40px;padding:8px 12px}}.warn-box{background:#3b2a12;border:1px solid #a67c2a;color:#ffd89a;border-radius:12px;padding:14px 16px;margin:12px 0 18px}.warn-box ul{margin:8px 0 0 18px}.ok-box{background:#143528;border:1px solid #2a9d5c;color:#b8f0cc;border-radius:12px;padding:12px 14px;margin:10px 0}.form-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.form-grid h2,.form-grid .check,.form-grid .btn{grid-column:1 / -1}.form-grid .field{display:grid;gap:6px;font-size:.92rem}.form-grid .field input{border:1px solid var(--line, #2e3345);background:var(--bg, #0f1117);color:inherit;border-radius:10px;padding:10px 12px}.doc-list{display:grid;gap:10px;margin-top:12px}.doc-row{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:12px;border:1px solid var(--line, #2e3345);border-radius:12px}.doc-row.missing{border-color:#a67c2a;background:#a67c2a14}.file-btn{cursor:pointer;margin:0}.check{display:flex;gap:10px;align-items:center}.app-shell.theme-lider{--bg: #f3f7f4;--surface: #ffffff;--surface2: #e6f5ec;--border: rgba(12, 22, 18, .1);--text: #0c1612;--muted: #5a6b62;--accent: #0b7a45;--accent-dim: #065f37;--success: #0b7a45;--shadow: 0 10px 28px rgba(12, 22, 18, .08)}.app-shell.theme-lider .topbar{background:#0b7a45;border-bottom:none;color:#fff}.app-shell.theme-lider .topbar-brand,.app-shell.theme-lider .topbar-school,.app-shell.theme-lider .topbar-name,.app-shell.theme-lider .topbar-role,.app-shell.theme-lider .nav-link{color:#ffffffeb}.app-shell.theme-lider .nav-link.active,.app-shell.theme-lider .nav-link:hover{background:#ffffff29;color:#fff}.app-shell.theme-lider .btn-ghost{color:#fff;border-color:#ffffff59}.app-shell.theme-lider .lider-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:#fff}.app-shell.theme-lider .lider-shield{width:34px;height:36px;border-radius:8px;background:#065f37;display:inline-flex;align-items:center;justify-content:center;font-weight:800}.app-shell.theme-lider .tabbar{background:#065f37;border-top:none}.app-shell.theme-lider .tabbar .nav-link{color:#ffffffb3}.app-shell.theme-lider .tabbar .nav-link.active{color:#fff;background:transparent;box-shadow:inset 0 -3px #fff}.app-shell.theme-lider .btn-primary{background:#0b7a45;border-color:#0b7a45}.app-shell.theme-lider .progress-ring{--ring: #0b7a45}