:root{--bg:#f3f6f1;--card:#fff;--ink:#18312a;--muted:#687a74;--line:#d9e4df;--p:#176b50;--p2:#0f4e3a;--gold:#b98518;--soft:#eaf4ef;--warn:#fff5cf;--danger:#b62c35;--shadow:0 12px 30px #193c2c16;--r:18px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.45 Arial,sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}.topbar{position:sticky;top:0;z-index:30;background:linear-gradient(135deg,var(--p),var(--p2));color:white;padding:12px 18px;box-shadow:0 4px 18px #0002;display:flex;justify-content:space-between;gap:14px;align-items:center;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:54px;height:54px;border-radius:16px;background:white;color:var(--p);display:grid;place-items:center;font-size:31px}.brand h1{font-size:23px;margin:0}.brand small{opacity:.9}.session-actions{display:flex;gap:10px;align-items:center}.shell{max-width:1500px;margin:auto;padding:20px}.auth-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}.hero-card,.card{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);border:1px solid #fff;padding:22px}.hero-card{min-height:430px;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(145deg,#fff,#edf8f3)}.hero-card h2{font-size:36px;line-height:1.08;margin:12px 0;max-width:750px}.eyebrow{font-weight:800;color:var(--p);text-transform:uppercase;letter-spacing:.06em}.hero-flow{display:flex;gap:9px;flex-wrap:wrap;margin:20px 0}.hero-flow span,.chip{background:white;border:1px solid var(--line);padding:8px 11px;border-radius:999px;font-weight:700}.notice{background:var(--warn);border-radius:12px;padding:11px}.tabs{display:flex;gap:7px;margin-bottom:18px}.tab{border:0;padding:10px 12px;border-radius:11px;background:#eef2f0;font-weight:800}.tab.active{background:var(--p);color:white}.form-stack{display:flex;flex-direction:column;gap:13px}.form-stack label,.field{display:flex;flex-direction:column;gap:5px;font-weight:700}.form-stack input,.form-stack select,.form-stack textarea,.field input,.field select,.field textarea,.inline-input{width:100%;border:2px solid var(--line);border-radius:12px;padding:10px 11px;background:white;color:var(--ink)}textarea{min-height:80px;resize:vertical}.primary,.secondary,.danger,.ghost,.success-btn{border:0;border-radius:12px;padding:10px 13px;font-weight:800}.primary{background:var(--p);color:white}.secondary{background:#edf1ef;color:var(--ink)}.danger{background:#fde8ea;color:var(--danger)}.ghost{background:#ffffff22;color:white;border:1px solid #ffffff55}.success-btn{background:#dff5e9;color:#0c6544}.muted{color:var(--muted)}small{font-weight:400}.dashboard-head{display:flex;justify-content:space-between;align-items:flex-start;gap:15px;flex-wrap:wrap;margin-bottom:18px}.dashboard-head h2{margin:0 0 4px}.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin:14px 0 20px}.metric{background:white;border-radius:15px;padding:14px;border:1px solid var(--line);box-shadow:var(--shadow)}.metric small{display:block;color:var(--muted)}.metric strong{display:block;font-size:25px;margin-top:3px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.section{margin-bottom:18px}.section h3{margin:0 0 5px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;flex-wrap:wrap}.progress{height:13px;border-radius:999px;background:#e7ece9;overflow:hidden}.progress span{display:block;height:100%;background:var(--p)}.trail-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}.trail{border:1px solid var(--line);border-radius:14px;padding:13px}.trail.done{background:#eaf8f0}.options{display:flex;flex-direction:column;gap:6px;margin-top:9px}.options button{text-align:left;border:1px solid var(--line);background:white;border-radius:10px;padding:8px}.pill{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:5px 9px;font-size:13px;font-weight:800;background:var(--soft);color:var(--p2)}.pill.pending{background:#fff3cf;color:#8a6514}.pill.rejected{background:#fde8ea;color:var(--danger)}.store-banner{background:linear-gradient(135deg,#164f3d,#1d7a59);color:white;border-radius:18px;padding:18px}.store-banner h3{font-size:27px;margin:2px 0}.store-actions{display:flex;gap:8px;flex-wrap:wrap}.store-actions .secondary{background:#ffffffdd}.supplier-tabs{display:flex;gap:7px;flex-wrap:wrap}.supplier-tab{border:1px solid var(--line);background:white;border-radius:11px;padding:8px 10px;font-weight:800}.supplier-tab.active{background:var(--p);color:white}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}.data-table{width:100%;border-collapse:collapse;background:white;min-width:700px}.data-table th,.data-table td{padding:10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}.data-table th{background:#f5f8f6;position:sticky;top:0}.product-cell{display:flex;align-items:center;gap:9px}.prod-img{width:42px;height:42px;border-radius:10px;object-fit:cover;background:#f1f4f2}.emoji-box{width:42px;height:42px;border-radius:10px;background:#f1f4f2;display:grid;place-items:center;font-size:26px}.qty-buy{display:flex;gap:5px;align-items:center}.qty-buy input{width:70px}.suggest-grid{display:grid;grid-template-columns:1fr 180px;gap:14px}.image-drop{border:2px dashed var(--line);border-radius:14px;min-height:170px;display:grid;place-items:center;text-align:center;padding:10px;background:#fafcfa}.image-drop img{max-width:100%;max-height:160px;border-radius:12px}.teacher-nav{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 16px}.teacher-nav button{border:0;border-radius:11px;padding:9px 11px;background:#e9efec;font-weight:800}.teacher-nav button.active{background:var(--p);color:white}.teacher-pane{display:none}.teacher-pane.active{display:block}.row-actions{display:flex;gap:5px;flex-wrap:wrap}.mini{padding:6px 8px;border-radius:8px;font-size:13px}.suggestion-card{border:1px solid var(--line);border-radius:14px;padding:13px;display:grid;grid-template-columns:90px 1fr;gap:12px}.suggestion-card img{width:90px;height:90px;object-fit:cover;border-radius:12px;background:#f1f4f2}.suggestion-list{display:grid;gap:10px}.approval-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin-top:9px}.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);z-index:100;background:#173d2d;color:#fff;padding:12px 18px;border-radius:999px;box-shadow:0 8px 24px #0004}.status-box{padding:15px;border-radius:14px;background:var(--warn);border:1px solid #ead47b}.empty{padding:24px;text-align:center;color:var(--muted)}@media(max-width:950px){.auth-grid,.grid-2,.grid-3{grid-template-columns:1fr}.hero-card{min-height:auto}.hero-card h2{font-size:30px}.suggest-grid{grid-template-columns:1fr}.approval-grid{grid-template-columns:1fr 1fr}}@media(max-width:620px){.shell{padding:12px}.topbar{padding:10px 12px}.brand h1{font-size:18px}.brand-mark{width:44px;height:44px}.hero-card h2{font-size:26px}.approval-grid{grid-template-columns:1fr}.metric strong{font-size:22px}}

/* Mercado consumidor V0.2 */
.market-wallet{display:grid;grid-template-columns:repeat(3,minmax(150px,1fr));gap:10px;margin-bottom:14px}.market-wallet>div{background:#f7faf8;border:1px solid var(--line);border-radius:14px;padding:12px}.market-wallet small{display:block;color:var(--muted)}.market-wallet strong{display:block;font-size:22px;margin-top:3px}.market-toolbar{display:flex;gap:10px;align-items:center;margin:12px 0;flex-wrap:wrap}.market-toolbar input{flex:1;min-width:240px}.store-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:12px}.market-store-card{border:1px solid var(--line);background:white;border-radius:15px;padding:14px;display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:start}.market-store-card .primary{grid-column:1/-1}.market-store-icon{width:54px;height:54px;border-radius:14px;background:var(--soft);display:grid;place-items:center;font-size:29px}.market-store-card h4{font-size:20px;margin:7px 0 3px}.market-store-card p{margin:0 0 4px}.market-detail{border-top:1px solid var(--line);margin-top:18px;padding-top:18px}.market-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(280px,.65fr);gap:16px}.chip-row{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:12px}.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px}.market-product{border:1px solid var(--line);border-radius:14px;padding:12px;display:grid;grid-template-columns:auto 1fr;gap:10px;background:white}.market-product .prod-img,.market-product .emoji-box{width:56px;height:56px}.market-product-main{display:flex;flex-direction:column;gap:2px}.market-product-main strong{font-size:19px;color:var(--p)}.market-qty{grid-column:1/-1;display:flex;justify-content:flex-end;align-items:center;gap:10px}.market-qty button{min-width:38px}.market-cart{border:1px solid var(--line);border-radius:15px;padding:14px;background:#fbfdfc;align-self:start;position:sticky;top:92px}.market-cart h4{margin-top:0}.market-cart>.primary{width:100%;margin-top:12px}.market-cart>.primary:disabled{opacity:.45;cursor:not-allowed}.cart-line,.order-items>div,.order-total{display:flex;justify-content:space-between;gap:12px;padding:7px 0;border-bottom:1px solid #e8efeb}.order-total{border-bottom:0;margin-top:6px;align-items:end}.order-total strong{font-size:21px;color:var(--p2)}.warning-text{margin-top:8px;color:var(--danger);font-weight:700}.market-history{margin-top:22px}.order-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:10px}.order-card{border:1px solid var(--line);border-radius:14px;padding:13px;background:white}.order-card .section-head{margin-bottom:5px}.empty.compact{padding:12px}.order-items{font-size:14px}
@media(max-width:850px){.market-layout{grid-template-columns:1fr}.market-cart{position:static}.market-wallet{grid-template-columns:1fr}.market-store-card{grid-template-columns:auto 1fr}}

/* Organização administrativa e categorias V0.2.2 */
.category-tabs{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0}.category-tab{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 10px;font-weight:800}.category-tab.active{background:var(--p);color:#fff;border-color:var(--p)}.category-row td{background:#eef6f2!important;color:var(--p2);font-size:14px;border-top:2px solid #d9e9e1}.category-block{border:1px solid var(--line);border-radius:14px;padding:12px;margin-bottom:12px;background:#fbfdfc}.category-block h4{margin:0 0 8px;display:flex;align-items:center;gap:8px}.catalog-groups{max-height:680px;overflow:auto;padding-right:4px}.teacher-admin-grid{align-items:start}.mini-check{display:inline-flex!important;flex-direction:row!important;align-items:center!important;gap:6px!important;font-weight:700!important}.mini-check input{width:auto!important}.store-admin-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px}.store-admin-grid textarea{min-height:64px}.data-table select.inline-input{min-width:120px}.data-table input.inline-input{min-width:76px}

/* Organização pedagógica e vendas assíncronas V0.2.3 */
.student-fold{padding:0;overflow:hidden}.student-fold>summary{list-style:none;cursor:pointer;padding:16px 18px;display:flex;justify-content:space-between;gap:14px;align-items:center;background:#fff}.student-fold>summary::-webkit-details-marker{display:none}.student-fold>summary span:first-child{display:flex;flex-direction:column;min-width:0}.student-fold>summary small{color:var(--muted);margin-top:3px}.student-fold[open]>summary{border-bottom:1px solid var(--line);background:#f8fbf9}.student-fold>div:not(.progress){padding-left:18px;padding-right:18px;padding-bottom:18px}.student-fold>.progress{margin-left:18px;margin-right:18px}.trail-hint{margin:10px 0;padding:10px 12px;border-radius:11px;background:var(--warn);font-weight:700}.market-mode-note{padding:9px 11px;border-radius:11px;background:var(--soft);margin:8px 0}.teacher-pane .card details{box-shadow:none}@media(max-width:620px){.student-fold>summary{align-items:flex-start;flex-direction:column}.simple-calc{max-width:none;margin-left:0;margin-right:0}}


/* Calculadora flutuante didática V0.2.4 */
.summary-actions{display:inline-flex!important;flex-direction:row!important;align-items:center;gap:8px;flex:0 0 auto}.calc-launch{width:40px;height:40px;border:1px solid var(--line);border-radius:11px;background:#fff;font-size:21px;display:grid;place-items:center;padding:0;box-shadow:0 2px 8px #0000000d}.calc-launch:hover{background:var(--soft)}.floating-calc{position:fixed;top:104px;right:20px;width:min(340px,calc(100vw - 16px));z-index:90;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 18px 48px #10291f38;overflow:hidden}.floating-calc.dragging{user-select:none}.floating-calc-head{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:11px 12px;background:#f2f7f4;border-bottom:1px solid var(--line);cursor:move;touch-action:none}.floating-calc-head>div{min-width:0;display:flex;flex-direction:column}.floating-calc-head small{color:var(--muted);margin-top:1px}.calc-close{width:34px;height:34px;border:0;border-radius:9px;background:#e8eeeb;font-size:22px;line-height:1}.floating-calc-body{padding:12px}.calc-expression{min-height:51px;border:2px solid var(--line);border-radius:11px;padding:10px 11px;background:#fff;text-align:right;font-size:21px;font-weight:700;word-break:break-all;display:flex;align-items:center;justify-content:flex-end}.calc-result{display:flex;justify-content:space-between;align-items:end;gap:12px;padding:8px 2px 10px}.calc-result small{color:var(--muted)}.calc-result strong{font-size:28px;color:var(--p2);word-break:break-all}.expression-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}.expression-grid button{min-height:43px;border:1px solid var(--line);border-radius:10px;background:#fff;font-weight:800;font-size:18px}.expression-grid .calc-op{background:var(--soft);color:var(--p2)}.expression-grid .calc-equals{grid-column:1/-1;background:var(--p);color:#fff;border-color:var(--p)}.calc-help{margin:10px 0 0;padding:8px 9px;border-radius:9px;background:#f5f8f6;color:var(--muted);font-size:13px;line-height:1.35}.calc-help.hint{background:var(--warn);color:#6e5818}.calc-help.error{background:#fde8ea;color:var(--danger)}.calc-help.ok{background:#eaf8f0;color:#176b50}@media(max-width:620px){.floating-calc{top:76px;right:8px}.summary-actions{width:100%;justify-content:flex-end}.calc-launch{width:44px;height:44px}}


/* Interface e precificação V0.2.5 */
.store-banner .chip{background:#fff;color:var(--ink);border-color:#d6e2dc}.store-banner .chip *{color:inherit}.store-banner .secondary{color:var(--ink)}
.pricing-note{margin-bottom:12px;padding:10px 12px;border:1px solid var(--line);border-radius:11px;background:#f7faf8;color:var(--ink)}
.pricing-table .inline-input{min-width:104px}.pricing-table .inv-result,.pricing-table .inv-percent{width:125px}.pricing-status{display:inline-block;max-width:190px;font-size:13px;color:var(--muted);line-height:1.25}.pricing-status.error{color:var(--danger);font-weight:700}.saved-price{display:block;color:var(--p2);margin-top:2px}.pricing-preview-result,.pricing-preview-percent{font-weight:800;white-space:nowrap}
@media(max-width:900px){.pricing-table{min-width:980px}}

/* V0.2.6 — atividade assíncrona da loja */
.activity-strip{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:9px;margin:0 0 12px}.activity-strip>div{border:1px solid var(--line);background:#f8fbf9;border-radius:12px;padding:10px;min-width:0}.activity-strip small{display:block;color:var(--muted);margin-bottom:3px}.activity-strip strong{display:block;color:var(--text);font-size:17px;overflow-wrap:anywhere}.activity-note{padding:10px 12px;border-radius:11px;background:#eef8f2;border:1px solid #cfe8d9;margin:0 0 12px;color:var(--text)}
@media(max-width:760px){.activity-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.activity-strip>div:first-child{grid-column:1/-1}}

/* V0.2.7 — banco de questões e trilhas adaptativas */
.lot-info{margin-top:4px;font-size:.82rem;color:var(--muted)}
.lot-info summary{cursor:pointer;font-weight:700;color:var(--text)}
.lot-info small{display:block;margin-top:3px;white-space:nowrap}

/* V0.2.8 — catálogo colaborativo e demanda */
.demand-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px}.demand-card{border:1px solid var(--line);border-radius:13px;padding:12px;background:#fbfdfc;display:grid;grid-template-columns:1fr auto;gap:3px 10px;align-items:center}.demand-card>div{min-width:0;display:flex;flex-direction:column}.demand-card small{color:var(--muted);margin-top:2px}.demand-card>strong{font-size:25px;color:var(--p2)}.demand-card>span{grid-column:1/-1;color:var(--muted);font-size:13px}.demand-table{display:grid;gap:7px}.demand-row{display:grid;grid-template-columns:minmax(160px,1fr) auto auto 48px;gap:10px;align-items:center;border:1px solid var(--line);border-radius:11px;padding:9px 11px;background:#fbfdfc}.demand-row>div{display:flex;flex-direction:column;min-width:0}.demand-row small{color:var(--muted)}.demand-row>strong{text-align:center;font-size:18px;color:var(--p2)}.category-new-row,.category-admin-row{display:grid;grid-template-columns:64px minmax(150px,1fr) 80px auto auto;gap:7px;align-items:center}.category-new-row{margin:10px 0 14px}.category-admin-list{display:grid;gap:7px}.category-admin-row{padding:8px;border:1px solid var(--line);border-radius:11px;background:#fbfdfc}.catalog-product-line{display:flex;gap:9px;align-items:center;padding:7px 0;border-bottom:1px solid #edf2ef}.catalog-product-line:last-child{border-bottom:0}.catalog-product-line>div:last-child{display:flex;flex-direction:column}.catalog-product-line small{color:var(--muted)}.suggestion-review-card{align-items:start}.suggestion-edit-grid{margin:9px 0}.suggestion-edit-grid label{font-weight:700;font-size:13px}.catalog-match{margin:8px 0;padding:8px 10px;border-radius:10px;background:#eaf8f0;color:#176b50;font-weight:700;font-size:13px}
@media(max-width:760px){.demand-row{grid-template-columns:1fr auto auto}.demand-row>strong{grid-column:3}.category-new-row,.category-admin-row{grid-template-columns:60px 1fr 70px}.category-new-row button,.category-admin-row .mini-check,.category-admin-row button{grid-column:auto}.suggestion-edit-grid{grid-template-columns:1fr!important}}
@media(max-width:520px){.demand-row{grid-template-columns:1fr 1fr}.demand-row>div{grid-column:1/-1}.category-new-row,.category-admin-row{grid-template-columns:1fr 1fr}.category-new-row input:nth-child(2),.category-admin-row .cat-name{grid-column:1/-1}.category-admin-row button{grid-column:1/-1}}

/* V0.3.0 — estratégia comercial: combos, cupons e negociação */
.commercial-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.commercial-tab{border:1px solid var(--line);background:#eef2f0;color:var(--ink);border-radius:11px;padding:9px 12px;font-weight:800}.commercial-tab.active{background:var(--p);color:#fff;border-color:var(--p)}.commercial-pane{display:none}.commercial-pane.active{display:block}.commercial-grid{align-items:start}.commercial-fieldset{border:1px solid var(--line);border-radius:13px;padding:11px;display:grid;gap:8px}.commercial-fieldset legend{font-weight:800;padding:0 5px}.commercial-check{display:grid!important;grid-template-columns:auto minmax(0,1fr) 84px;gap:8px!important;align-items:center!important;border:1px solid #edf2ef;border-radius:10px;padding:8px!important;font-weight:700!important;background:#fbfdfc}.commercial-check>input:first-child{width:auto!important}.commercial-check span{min-width:0;display:flex;flex-direction:column}.commercial-check small{color:var(--muted)}.commercial-check .inline-input{padding:7px 8px}.commercial-list{display:grid;gap:9px}.commercial-item{border:1px solid var(--line);border-radius:13px;padding:11px;background:#fbfdfc;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:start}.commercial-item p{margin:4px 0}.commercial-numbers{display:flex;gap:8px 14px;flex-wrap:wrap;margin-top:7px;font-size:14px}.commercial-summary{grid-template-columns:repeat(5,minmax(0,1fr))}.coupon-targets{border:1px solid var(--line);border-radius:11px;padding:10px;display:flex;gap:8px;flex-wrap:wrap}.coupon-targets>b{width:100%}.commercial-settings{display:grid;gap:7px;padding:9px;border:1px solid var(--line);border-radius:11px;background:#f8fbf9}.coupon-showcase{margin:10px 0 15px;border:1px solid #e5d79e;background:#fff8dc;border-radius:13px;padding:11px}.coupon-showcase>div{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}.coupon-chip{display:flex;flex-direction:column;border:1px dashed #caa84a;border-radius:10px;background:#fff;padding:7px 9px}.coupon-chip strong{color:#77570f}.coupon-chip small{color:#6d6243}.combo-market-section{margin:14px 0}.combo-product{border-style:dashed;background:#fffdf7}.coupon-entry{display:grid;grid-template-columns:1fr auto;gap:7px;align-items:end;margin-top:12px}.coupon-entry label{display:flex;flex-direction:column;gap:4px;font-weight:700}.discount-line{display:flex;justify-content:space-between;gap:10px;padding:7px 0;color:#176b50;border-bottom:1px dashed #dce9e2}.order-total.grand{border-top:2px solid var(--line);margin-top:7px;padding-top:10px}.negotiation-box,.seller-discount-box{margin-top:12px;border:1px solid var(--line);border-radius:12px;padding:10px;background:#f7faf8}.negotiation-box label,.seller-discount-box label{display:flex;flex-direction:column;gap:4px;font-weight:700;margin-top:7px}.negotiation-actions{margin-top:8px}.negotiation-actions>label{display:flex;flex-direction:column;gap:4px;font-weight:700;margin-top:7px}.negotiation-actions .row-actions{margin-top:10px}.seller-discount-box .grid-2{gap:9px}
@media(max-width:850px){.commercial-summary{grid-template-columns:repeat(2,minmax(0,1fr))}.commercial-check{grid-template-columns:auto 1fr 72px}.commercial-item{grid-template-columns:1fr}.coupon-entry{grid-template-columns:1fr}.coupon-entry button{width:100%}}

/* V0.3.1 — Lojas Modelo */
.model-store-card{border-style:dashed}
.model-pill{font-size:.72rem;letter-spacing:.04em}
.model-store-admin{border-style:dashed}
.model-store-toggle{padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:var(--soft,#f5f7f6)}

/* V0.4.0 — Atividades e Roteiros com snapshot de preços */
.learning-activities>summary strong{white-space:nowrap}.activity-list,.activity-admin-list{display:grid;gap:14px}.activity-card,.activity-admin-card{border:1px solid var(--line);border-radius:15px;padding:15px;background:#fbfdfc}.activity-card h3,.activity-admin-card h3{margin:3px 0}.snapshot-note{padding:9px 11px;border:1px solid #cfe2d7;border-radius:11px;background:#eef8f2;color:#315b49;font-size:13px;margin:10px 0}.activity-market{border:1px dashed var(--line);border-radius:12px;padding:10px 12px;background:#fff}.activity-market>summary,.activity-admin-detail>summary,.activity-response>summary{cursor:pointer;font-weight:800}.activity-snapshot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(310px,1fr));gap:11px;margin-top:11px}.activity-store{border:1px solid var(--line);border-radius:12px;padding:10px;background:#fff;min-width:0}.activity-store .data-table{min-width:520px}.compact-table th,.compact-table td{padding:7px 8px;font-size:13px}.activity-questions{display:grid;gap:10px;margin:13px 0}.activity-question{border:1px solid var(--line);border-radius:12px;padding:11px;background:#fff}.activity-question label{display:flex;flex-direction:column;gap:6px}.activity-question input,.activity-question select,.activity-question textarea{width:100%;border:2px solid var(--line);border-radius:10px;padding:9px 10px;background:#fff;color:var(--ink)}.activity-price-fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:8px;margin-top:9px}.activity-price-fields label{font-size:13px;font-weight:700}.activity-store-picker{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:8px;max-height:290px;overflow:auto;border:1px solid var(--line);border-radius:12px;padding:10px;background:#f8fbf9}.activity-store-check{display:grid!important;grid-template-columns:auto 1fr;gap:9px!important;align-items:start!important;border:1px solid #e1ebe6;border-radius:10px;padding:9px!important;background:#fff;font-weight:700!important}.activity-store-check input{width:auto!important;margin-top:4px}.activity-store-check span{display:flex;flex-direction:column;min-width:0}.activity-store-check small{color:var(--muted)}.activity-admin-controls{margin:12px 0;align-items:start}.compact-controls{gap:7px!important;padding:8px;border:1px solid var(--line);border-radius:11px;background:#fff}.activity-admin-detail{margin-top:12px;border-top:1px solid var(--line);padding-top:10px}.activity-question-preview{padding-left:22px}.activity-question-preview li{margin-bottom:7px}.activity-response-list{display:grid;gap:8px}.activity-response{border:1px solid var(--line);border-radius:11px;padding:9px 11px;background:#fff}.activity-response>summary{display:flex;justify-content:space-between;gap:10px;align-items:center;list-style:none}.activity-response>summary span:first-child{display:flex;flex-direction:column}.activity-response-answers{display:grid;gap:7px;margin-top:9px;padding-top:9px;border-top:1px dashed var(--line)}.activity-response-answers>div{font-size:13px}.activity-admin-card .row-actions{margin-top:8px}code{background:#eef2f0;border-radius:6px;padding:2px 5px;color:var(--p2)}
@media(max-width:760px){.activity-snapshot-grid{grid-template-columns:1fr}.activity-store-picker{grid-template-columns:1fr}.activity-admin-controls{grid-template-columns:1fr}.activity-response>summary{align-items:flex-start;flex-direction:column}}
.activity-code-jump{display:flex;gap:8px;align-items:center;margin-top:14px}.activity-code-jump input{max-width:320px}.activity-highlight{outline:3px solid #c79b2b;outline-offset:3px;transition:outline .2s}.activity-card{scroll-margin-top:90px}@media(max-width:620px){.activity-code-jump{align-items:stretch;flex-direction:column}.activity-code-jump input{max-width:none}}

/* V0.4.0.1 — Gerador avançado de atividades */
.activity-generator-card{align-self:start}.activity-builder,.activity-question-builder{border:1px solid var(--line);border-radius:14px;padding:14px;background:#f9fbfa}.activity-builder legend,.activity-question-builder legend{font-weight:800;color:var(--p2);padding:0 7px}.activity-category-picker,.activity-question-type-grid{display:flex;gap:8px;flex-wrap:wrap;margin-top:7px}.activity-category-check,.activity-question-type-grid .mini-check{border:1px solid var(--line);border-radius:999px;padding:6px 9px;background:#fff}.activity-product-preview{border:1px solid var(--line);border-radius:12px;background:#fff;max-height:430px;overflow:auto}.activity-preview-head{position:sticky;top:0;z-index:2;display:flex;justify-content:space-between;gap:10px;align-items:center;padding:9px 11px;background:#f2f7f4;border-bottom:1px solid var(--line)}.activity-product-row{display:grid!important;grid-template-columns:auto minmax(170px,.8fr) minmax(280px,1.6fr);gap:10px!important;align-items:center!important;padding:10px 11px!important;border-bottom:1px solid #edf1ef;font-weight:400!important}.activity-product-row:last-child{border-bottom:0}.activity-product-row.selected{background:#eef8f2}.activity-product-row>input{width:auto!important}.activity-product-main{display:flex;flex-direction:column}.activity-product-main small{color:var(--muted)}.activity-product-prices{display:flex;gap:7px 12px;flex-wrap:wrap;font-size:12px}.activity-selected-products{font-size:13px;padding:8px 10px;background:#f7faf8;border:1px solid var(--line);border-radius:10px}.builder-help{align-self:end;padding:8px 10px;border-radius:10px;background:#fff;border:1px dashed var(--line)}
@media(max-width:850px){.activity-product-row{grid-template-columns:auto 1fr}.activity-product-prices{grid-column:2}.activity-question-type-grid{display:grid;grid-template-columns:1fr 1fr}}
@media(max-width:620px){.activity-question-type-grid{grid-template-columns:1fr}.activity-preview-head{align-items:flex-start;flex-direction:column}}

/* V0.4.0.2 — seleção simplificada de produtos nas atividades */
.activity-selection-note{padding:10px 12px;border:1px solid #cfe2d7;border-radius:11px;background:#eef8f2;line-height:1.45}.activity-builder-actions{display:flex;gap:8px;flex-wrap:wrap}.activity-builder-subhead{display:flex;justify-content:space-between;gap:10px;align-items:center}.activity-builder-subhead .row-actions{margin:0}.activity-builder-status{padding:9px 11px;font-size:13px;font-weight:700;border-bottom:1px solid var(--line)}.activity-builder-status.success{background:#eef8f2;color:#315b49}.activity-builder-status.warning{background:#fff6df;color:#6b5317}.activity-product-row.unavailable{background:#f8f8f8;opacity:.72}.activity-product-row.unavailable input{cursor:not-allowed}.activity-product-row.unavailable .activity-product-main b{color:#59625e}.activity-product-row:not(.unavailable){cursor:pointer}.activity-product-row:not(.unavailable):hover{background:#f5faf7}.activity-product-row.selected:hover{background:#e8f5ed}


/* V0.4.0.4 — atividades em etapas recolhíveis no painel do aluno */
.student-nav{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 18px;padding:6px;background:#e9efec;border:1px solid var(--line);border-radius:15px;position:sticky;top:86px;z-index:20;box-shadow:0 7px 18px #193c2c0b}
.student-nav button{border:0;border-radius:11px;padding:10px 14px;background:transparent;color:var(--ink);font-weight:800;display:inline-flex;align-items:center;gap:7px}
.student-nav button.active{background:var(--p);color:#fff;box-shadow:0 4px 12px #176b5030}
.student-tab-count{display:inline-grid;place-items:center;min-width:22px;height:22px;padding:0 6px;border-radius:999px;background:#fff;color:var(--p2);font-size:12px}
.student-nav button.active .student-tab-count{background:#ffffffea;color:var(--p2)}
.student-tab-alert{display:inline-grid;place-items:center;min-width:22px;height:22px;padding:0 6px;border-radius:999px;background:#fff1b8;color:#76550b;font-size:12px;border:1px solid #e3c65f}
.student-pane{display:none}
.student-pane.active{display:block}
.learning-activities-page>.activity-list{display:grid;gap:16px}
.activities-page-head{border-left:5px solid var(--p)}
.activity-progress-strip{display:flex;gap:10px;flex-wrap:wrap;margin:4px 0 14px}
.activity-progress-strip span{background:#f4f8f6;border:1px solid var(--line);border-radius:999px;padding:7px 10px;color:var(--muted)}
.activity-progress-strip b{color:var(--ink)}
@media(max-width:620px){.student-nav{top:72px}.student-nav button{flex:1;justify-content:center;padding:10px 8px}.activity-code-jump{grid-template-columns:1fr!important}}


/* V0.4.0.4 — cada atividade/etapa começa recolhida e abre ao clique */
.activity-stage{padding:0!important;overflow:hidden;background:#fbfdfc}
.activity-stage>summary{list-style:none;cursor:pointer;padding:15px;display:flex;align-items:center;justify-content:space-between;gap:14px;user-select:none}
.activity-stage>summary::-webkit-details-marker{display:none}
.activity-stage>summary:hover{background:#f2f8f5}
.activity-stage[open]>summary{background:#f2f8f5;border-bottom:1px solid var(--line)}
.activity-stage-title{display:flex;align-items:center;gap:12px;min-width:0}
.activity-stage-title>span:last-child{display:flex;flex-direction:column;gap:3px;min-width:0}
.activity-stage-title small{color:var(--muted);font-weight:500}
.activity-stage-number{display:inline-flex;align-items:center;justify-content:center;min-width:78px;border-radius:999px;padding:7px 10px;background:#e8f3ed;color:var(--p2);font-weight:900;white-space:nowrap}
.activity-stage-status{display:flex;align-items:center;gap:9px;flex-shrink:0}
.activity-stage-chevron{font-size:24px;line-height:1;transition:transform .18s ease;color:var(--muted)}
.activity-stage[open] .activity-stage-chevron{transform:rotate(180deg)}
.activity-stage-body{padding:15px}
@media(max-width:620px){.activity-stage>summary{align-items:flex-start}.activity-stage-title{align-items:flex-start}.activity-stage-number{min-width:auto}.activity-stage-status{flex-direction:column;align-items:flex-end;gap:4px}.activity-stage-title small{font-size:12px}}


/* V0.4.0.5 — etapas recolhíveis também no painel do professor */
.teacher-activity-stage{background:#fbfdfc}
.teacher-activity-stage .activity-stage-status{flex-wrap:wrap;justify-content:flex-end}
.teacher-activity-stage .teacher-activity-content{margin-top:15px;border-top:1px solid var(--line);padding-top:12px}
.teacher-activity-stage .teacher-activity-content>details{border:1px dashed var(--line);border-radius:12px;padding:10px 12px;background:#fff;margin:10px 0 14px}
.teacher-activity-stage .teacher-activity-content>details>summary{cursor:pointer;font-weight:800}
@media(max-width:760px){.teacher-activity-stage .activity-stage-status{align-items:flex-end}.teacher-activity-stage .activity-stage-status .pill{font-size:11px}}