@import "https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600&family=Fira+Sans:wght@400;500;600;700&display=swap";:root{color:#172838;font-synthesis:none;--ink:#18324a;--ink-dark:#102536;--paper:#f2f0e9;--surface:#fffefa;--line:#d8ddd9;--muted:#66737d;--green:#147d72;--green-soft:#dcece8;--amber:#d18a2d;--amber-soft:#f6e9d5;--red:#a8463d;--red-soft:#f3dfdc;--focus:#2276a8;background:#f2f0e9;font-family:Fira Sans,sans-serif;line-height:1.5}*{box-sizing:border-box}html{background:var(--paper);min-width:320px}body{min-width:320px;min-height:100vh;margin:0}button,input,textarea,select{font:inherit}button,select{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid color-mix(in srgb, var(--focus) 34%, transparent);outline-offset:2px}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.icon{flex:none}.shell{grid-template-columns:272px minmax(0,1fr);min-height:100vh;display:grid}.sidebar{color:#edf4f3;background:var(--ink-dark);z-index:20;border-right:1px solid #294358;flex-direction:column;height:100vh;padding:28px 18px 20px;display:flex;position:sticky;top:0}.brand-block{border-bottom:1px solid #2d4557;align-items:center;gap:12px;padding:0 8px 22px;display:flex}.brand-mark,.login-monogram{background:var(--amber);color:#13293b;flex:none;place-items:center;width:46px;height:46px;font:700 16px Fira Code,monospace;display:grid}.brand-block h1{color:#fff;margin:3px 0 0;font-size:17px;line-height:1.2}.eyebrow,.card-kicker{color:#8ba0ae;letter-spacing:.08em;text-transform:uppercase;font:500 11px Fira Code,monospace}.nav-list{gap:4px;margin-top:22px;display:grid}.nav-item{color:#b9c7ce;border-left:3px solid #0000;align-items:center;gap:12px;min-height:46px;padding:0 13px;transition:background-color .18s,color .18s,border-color .18s;display:flex}.nav-item:hover{color:#fff;background:#1a374d}.nav-item.active{color:#fff;border-left-color:var(--amber);background:#203f54}.admin-badge{border-top:1px solid #2d4557;align-items:center;gap:10px;margin-top:auto;padding:16px 8px;display:flex}.admin-badge div{min-width:0;display:grid}.admin-badge strong{white-space:nowrap;text-overflow:ellipsis;font-size:14px;overflow:hidden}.admin-badge span:not(.avatar-small){color:#8fa3b0;font-size:12px}.avatar-small,.avatar-large{color:var(--green);background:#dce7e6;flex:none;place-items:center;font-weight:700;display:grid}.avatar-small{width:38px;height:38px}.logout-button{color:#aebec7;background:0 0;border:0;align-items:center;gap:10px;min-height:44px;padding:0 10px;display:flex}.logout-button:hover{color:#fff}.mobile-menu,.sidebar-scrim{display:none}.main-panel{background-color:var(--paper);background-image:linear-gradient(#dedfd8 1px,#0000 1px),linear-gradient(90deg,#dedfd8 1px,#0000 1px);background-size:32px 32px;min-width:0;padding:38px clamp(22px,4vw,64px) 64px}.page{gap:22px;max-width:1480px;margin:0 auto;display:grid}.page-header{border-bottom:2px solid var(--ink);justify-content:space-between;align-items:end;gap:24px;min-height:104px;padding:0 0 18px;display:flex}.page-header h2{color:var(--ink-dark);letter-spacing:-.04em;margin:6px 0 4px;font-size:clamp(30px,4vw,52px);line-height:1}.page-header p{max-width:760px;color:var(--muted);margin:0;font-size:15px}.page-actions{align-self:center}.card,.table-wrap{background:var(--surface);border:1px solid var(--line)}.card{padding:22px}.card-header{justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:18px;display:flex}.card-header h3,.manager-head h3{color:var(--ink-dark);margin:3px 0 0;font-size:20px;line-height:1.2}.stats-grid{grid-template-columns:repeat(6,minmax(145px,1fr));gap:10px;display:grid}.stat-card{border-top:4px solid var(--ink);flex-direction:column;justify-content:space-between;min-height:146px;display:flex;position:relative}.stat-card.green{border-top-color:var(--green)}.stat-card.amber{border-top-color:var(--amber)}.stat-label{color:var(--muted);font-size:13px}.stat-value{color:var(--ink-dark);letter-spacing:-.06em;font:600 38px/1 Fira Code,monospace}.stat-note{color:#82909a;font-size:12px}.analytics-grid,.detail-grid{grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:14px;display:grid}.analytics-cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.chart-block{width:100%;min-height:280px}.chart-with-legend{grid-template-columns:minmax(220px,1fr) 170px;align-items:center;display:grid}.chart-legend,.metric-list{gap:10px;margin:0;padding:0;list-style:none;display:grid}.chart-legend li{color:var(--muted);grid-template-columns:10px 1fr auto;align-items:center;gap:8px;font-size:13px;display:grid}.chart-legend li span{width:8px;height:8px}.chart-legend strong,.metric-list strong{color:var(--ink-dark);font:600 14px Fira Code,monospace}.metric-list li{border-bottom:1px solid #e5e7e3;justify-content:space-between;align-items:center;padding:12px 0;display:flex}.tag{color:#465865;white-space:nowrap;background:#e9eceb;align-items:center;min-height:27px;padding:3px 9px;font:500 11px Fira Code,monospace;display:inline-flex}.tag.success{color:#0f675e;background:var(--green-soft)}.tag.warning{color:#86591e;background:var(--amber-soft)}.tag.danger{color:#8c3b34;background:var(--red-soft)}.table-wrap{overflow:auto}.data-table{border-collapse:collapse;width:100%;min-width:820px}.data-table th{color:#71808a;border-bottom:1px solid var(--line);text-align:left;text-transform:uppercase;letter-spacing:.04em;background:#f4f4ef;padding:13px 16px;font:500 11px Fira Code,monospace}.data-table td{color:#334653;vertical-align:middle;border-bottom:1px solid #e7e9e5;padding:14px 16px;font-size:14px}.data-table tbody tr:last-child td{border-bottom:0}.data-table tbody tr:hover{background:#f8f8f3}.data-table select{min-width:130px}.table-link{color:#0e6f69;border-bottom:1px solid #8fc0ba;font-weight:600}.empty-cell{text-align:center;height:180px;color:var(--muted)}.search-field{background:var(--surface);border:1px solid #bfc8c8;align-items:center;gap:9px;width:min(360px,70vw);min-height:46px;padding:0 13px;display:flex}.search-field input{background:0 0;border:0;outline:0;width:100%}input,textarea,select{width:100%;color:var(--ink-dark);background:#fff;border:1px solid #bcc7c8;border-radius:0}input,select{min-height:44px;padding:0 12px}textarea{resize:vertical;min-height:112px;padding:11px 12px}label{color:#425560;font-size:13px}label>span{margin-bottom:6px;font-weight:600;display:block}.primary-button,.secondary-button,.text-button{border:1px solid #0000;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:0 16px;font-weight:600;transition:background-color .18s,color .18s;display:inline-flex}.primary-button{color:#fff;background:var(--ink)}.primary-button:hover{background:#24465f}.secondary-button{color:var(--ink);background:0 0;border-color:#91a1aa}.secondary-button:hover{background:#edf0ed}.text-button{min-height:34px;color:var(--green);background:0 0;padding:0}button:disabled{cursor:not-allowed;opacity:.55}.inline-form,.stack-form{gap:12px;display:grid}.inline-form.row{grid-template-columns:minmax(0,1fr) auto;align-items:end}.form-row{grid-template-columns:1fr 1fr;gap:10px;display:grid}.manager-form{grid-template-columns:repeat(4,minmax(140px,1fr));align-items:end;gap:14px;display:grid}.manager-form fieldset{border:0;grid-column:1/-1;margin:0;padding:0}.manager-form legend{margin-bottom:8px;font-size:13px;font-weight:600}.language-checks{flex-wrap:wrap;gap:8px;display:flex}.language-checks label{border:1px solid var(--line);background:#f7f7f2;align-items:center;gap:7px;min-height:40px;padding:0 11px;display:inline-flex}.language-checks input{width:16px;min-height:16px}.notice{color:#0f675e;background:var(--green-soft);border-left:3px solid var(--green);padding:11px 13px;font-size:13px}.notice.error{color:#8c3b34;background:var(--red-soft);border-color:var(--red)}.detail-list{margin:0;display:grid}.detail-list div{border-bottom:1px solid #e5e7e3;grid-template-columns:145px 1fr;gap:14px;padding:10px 0;display:grid}.detail-list dt{color:var(--muted)}.detail-list dd{color:var(--ink-dark);overflow-wrap:anywhere;margin:0;font-weight:600}.stack-list,.answer-list,.timeline{margin:0;padding:0;list-style:none;display:grid}.stack-list li{border-bottom:1px solid #e5e7e3;gap:4px;padding:13px 0;display:grid}.stack-list li span,.stack-list li time{color:var(--muted);font-size:13px}.stack-list.compact li{padding:10px 0}.empty-list{color:var(--muted)}.column-stack{gap:14px;display:grid}.timeline{border-left:2px solid #cbd2d1;margin-left:7px}.timeline li{gap:3px;padding:0 0 22px 22px;display:grid;position:relative}.timeline li:before{content:"";background:var(--amber);border:2px solid var(--surface);width:10px;height:10px;position:absolute;top:5px;left:-6px}.timeline time{color:#82909a;font:400 11px Fira Code,monospace}.timeline p{color:var(--muted);margin:0;font-size:13px}.completed-item{opacity:.58}.completed-item strong{text-decoration:line-through}.quiz-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.quiz-card{border-top:4px solid var(--ink)}.question-number{color:var(--amber);margin-bottom:8px;font:600 14px Fira Code,monospace;display:inline-block}.answer-list{counter-reset:answers;gap:6px;margin:14px 0 18px}.answer-list li{counter-increment:answers;background:#f5f5ef;grid-template-columns:30px 1fr;align-items:center;min-height:38px;padding:6px 10px;display:grid}.answer-list li:before{content:counter(answers,upper-alpha);color:var(--green);font:600 12px Fira Code,monospace}.edit-title{border-top:1px solid var(--line);grid-template-columns:1fr auto;align-items:end;gap:10px;padding-top:14px;display:grid}.switch{grid-template-columns:38px auto;align-items:center;gap:8px;display:grid}.switch input{opacity:0;width:1px;position:absolute}.switch>span{background:#a9b2b6;width:38px;height:22px;margin:0;transition:background-color .18s;position:relative}.switch>span:after{content:"";background:#fff;width:16px;height:16px;transition:transform .18s;position:absolute;top:3px;left:3px}.switch input:checked+span{background:var(--green)}.switch input:checked+span:after{transform:translate(16px)}.switch b{font-size:12px}.manager-grid,.settings-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.manager-head{align-items:center;gap:12px;display:flex}.manager-head .tag{margin-left:auto}.manager-head p{color:var(--muted);margin:3px 0 0;font-size:12px}.avatar-large{width:48px;height:48px;font-size:20px}.manager-metrics{grid-template-columns:1fr 1fr;margin:20px 0 12px;display:grid}.manager-metrics div{border:1px solid var(--line);padding:10px 12px}.manager-metrics dt{color:var(--muted);font-size:11px}.manager-metrics dd{margin:4px 0 0;font:600 22px Fira Code,monospace}.language-line{min-height:42px;color:var(--muted);font-size:13px}.code-editor{tab-size:2;min-height:230px;font:13px/1.6 Fira Code,monospace}.loading-block{min-height:180px;color:var(--muted);place-content:center;justify-items:center;gap:16px;display:grid}.loading-line{background:var(--amber);width:90px;height:3px;animation:1s ease-in-out infinite alternate pulse}.login-screen{background:var(--paper);grid-template-columns:1.1fr .9fr;min-height:100vh;display:grid}.login-visual{color:#fff;background:var(--ink-dark);flex-direction:column;justify-content:center;padding:clamp(40px,8vw,120px);display:flex;position:relative;overflow:hidden}.login-visual:after{content:"";pointer-events:none;border:1px solid #355065;position:absolute;inset:24px}.login-visual>*{z-index:1;position:relative}.login-monogram{margin-bottom:54px}.login-visual>span{color:#a9bbc5;letter-spacing:.08em;text-transform:uppercase;font:500 12px Fira Code,monospace}.login-visual h1{letter-spacing:-.05em;max-width:700px;margin:14px 0 20px;font-size:clamp(42px,6vw,82px);line-height:.98}.login-visual p{color:#bac8cf;max-width:520px;font-size:18px}.market-line{align-items:end;gap:10px;height:96px;margin-top:48px;display:flex}.market-line i{background:var(--green);border-top:3px solid #81c3bb;width:10px}.market-line i:first-child{height:30%}.market-line i:nth-child(2){height:52%}.market-line i:nth-child(3){height:40%}.market-line i:nth-child(4){background:var(--amber);height:76%}.market-line i:nth-child(5){height:58%}.market-line i:nth-child(6){background:var(--amber);height:88%}.market-line i:nth-child(7){height:70%}.login-panel{place-items:center;padding:30px;display:grid}.login-card{gap:18px;width:min(420px,100%);display:grid}.login-card h2{color:var(--ink-dark);margin:0;font-size:38px}.login-card>p{color:var(--muted);margin:-10px 0 6px}.login-submit{width:100%;margin-top:4px}.app-loading{min-height:100vh;color:var(--muted);place-content:center;justify-items:center;gap:16px;display:grid}@keyframes pulse{0%{opacity:.5;transform:scaleX(.35)}to{opacity:1;transform:scaleX(1)}}@media (width<=1180px){.stats-grid{grid-template-columns:repeat(3,1fr)}.manager-grid,.settings-grid,.manager-form{grid-template-columns:repeat(2,1fr)}}@media (width<=820px){.shell{display:block}.sidebar{width:280px;transition:transform .2s;position:fixed;left:0;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-scrim{z-index:15;background:#0a19248c;border:0;display:block;position:fixed;inset:0}.mobile-menu{z-index:30;width:46px;height:46px;color:var(--ink);background:var(--surface);border:1px solid #bac3c3;place-items:center;display:grid;position:fixed;top:16px;right:16px}.main-panel{padding:82px 16px 42px}.page-header{flex-direction:column;align-items:flex-start}.page-actions,.search-field{width:100%}.analytics-grid,.detail-grid,.quiz-grid,.analytics-cards,.manager-grid,.settings-grid,.chart-with-legend,.login-screen{grid-template-columns:1fr}.login-visual{min-height:340px;padding:56px 36px}.login-visual:after{inset:14px}.login-monogram{margin-bottom:28px}.login-visual h1{font-size:44px}.login-visual p,.market-line{display:none}}@media (width<=560px){.stats-grid{grid-template-columns:repeat(2,1fr)}.stat-card{min-height:126px;padding:16px}.stat-value{font-size:30px}.form-row,.manager-form,.edit-title,.inline-form.row{grid-template-columns:1fr}.detail-list div{grid-template-columns:1fr;gap:2px}.card{padding:17px}.page-header h2{font-size:36px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}
