:root {
  --ink:#13223a; --muted:#526382; --blue:#1249ce; --blue-dark:#103eb0;
  --wash:#f5f7fd; --tint:#eef3ff; --line:#d9e1f1; --sidebar:218px;
}
body {background:var(--wash); color:var(--ink); font:15px/1.5 system-ui,sans-serif}
.ui-icon {width:18px;height:18px;flex:none;vertical-align:middle}
.sidebar {position:fixed;inset:0 auto 0 0;width:var(--sidebar);background:white;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:20px 12px 12px;z-index:2}
.sidebar button,.topbar button {display:inline-flex;align-items:center;gap:9px}
.brand {text-align:left;border:0;padding:0 6px;background:none;color:var(--blue-dark)}
.brand strong {display:block;font-size:1.16rem;line-height:1.2;letter-spacing:-.03em}
.brand small {display:block;color:var(--muted);font-size:.65rem;font-weight:650;margin-top:2px}
.brand-icon,.tool-icon {display:grid;place-items:center;width:38px;height:38px;border-radius:11px}
.brand-icon {background:var(--blue-dark);color:white}
.sidebar-note,.badge {background:var(--tint);color:var(--blue-dark);font-size:.73rem;font-weight:650}
.sidebar-note {margin:22px 0 12px;padding:7px 8px;border:1px solid var(--line);border-radius:7px}
.badge {display:inline-flex;align-items:center;border-radius:100px;padding:4px 10px}
.tool-nav {display:grid;gap:4px}
.tool-nav button,.sidebar-footer button {width:100%;border:0;background:none;padding:9px 8px;text-align:left;font-size:.83rem;color:var(--ink);white-space:normal}
.tool-nav button[aria-pressed=true] {background:#e4edff;color:var(--blue-dark)}
.sidebar-footer {margin-top:auto;border-top:1px solid var(--line);padding-top:8px}
.topbar {position:sticky;top:0;z-index:2;margin-left:var(--sidebar);min-height:58px;background:#fff;color:var(--ink);border-bottom:1px solid var(--line);padding:9px clamp(12px,2.5vw,30px);display:flex;align-items:center;justify-content:space-between;gap:12px}
.topbar::before {content:none}
.topbar-context,.topbar-actions {display:flex;align-items:center;gap:12px}
.topbar-context strong {color:var(--blue-dark);font-size:.98rem}
#toolContext {color:var(--muted);border-left:1px solid var(--line);padding-left:12px;font-size:.74rem}
.topbar-actions button {padding:6px 10px;font-size:.75rem;white-space:nowrap}
.topbar-actions .ui-icon {width:14px;height:14px}
.topbar-actions .topbar-support {background:#954f00;color:#fff;border-color:#954f00}
.topbar-actions .topbar-support:hover {background:#723b00;border-color:#723b00}
.sidebar-footer .sidebar-support {background:#ffdcc3;color:#723b00;margin-bottom:4px}
.sidebar-footer .sidebar-support:hover {background:#954f00;color:#fff}
#fullScreen {background:var(--tint);color:var(--blue-dark);border-color:transparent}
main {max-width:1400px;margin:0 0 0 var(--sidebar);padding:clamp(14px,2.7vw,34px)}
.card {background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 3px 9px #132c6310}
.muted,#storageMessage {color:var(--muted)}
button,input,select,textarea {border-color:#cad5ec;color:var(--ink)}
button:hover,.tool-nav button:hover,.sidebar-footer button:hover {background:var(--tint)}
button.primary,button[aria-pressed=true] {background:var(--blue);color:#fff}
button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible {outline-color:#6c97f6}
h1,h2,h3 {line-height:1.2;letter-spacing:-.025em}
h2 {font-size:1.18rem}
.home-hero {display:grid;grid-template-columns:minmax(0,1fr) minmax(190px,.52fr);align-items:center;gap:26px;padding:clamp(17px,3vw,32px)}
.home-hero h1 {font-size:clamp(1.8rem,3.4vw,3rem);max-width:19ch;margin:12px 0}
.home-hero p,.home-section-title p,.home-tool p,.tool-heading p {color:var(--muted);margin:0}
.home-note {display:grid;justify-items:start;gap:8px;background:var(--tint);border:1px solid var(--line);border-radius:12px;padding:16px}
.home-note p {font-size:.85rem}
.home-note .home-support {display:flex;align-items:center;justify-content:center;gap:8px;width:100%;font-size:.8rem}
.home-note .home-support:hover {background:var(--blue-dark)}
.home-section-title {margin:26px 0 14px}
.home-section-title h2 {margin:0 0 4px}
.home-section-title p {font-size:.88rem}
.home-grid {display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.home-tool {display:flex;flex-direction:column;align-items:flex-start;min-width:0;padding:16px}
.tool-icon {background:#e0e9ff;color:var(--blue-dark)}
.timer-tile .tool-icon {background:#ffe3cd;color:#904700}
.activity-tile .tool-icon {background:#e4e8fa;color:#465481}
.home-tool h3 {font-size:1.02rem;margin:11px 0 6px}
.home-tool p {font-size:.82rem;margin-bottom:16px}
.home-tool button {margin-top:auto;width:100%;display:flex;align-items:center;justify-content:space-between;gap:4px;background:var(--tint);color:var(--blue-dark);border:0;font-size:.77rem}
.home-tool button:hover {background:#dfe9ff}
.home-tool .ui-icon {width:16px;height:16px}
.tool-heading {margin:0 0 18px}
.tool-heading h1 {font-size:clamp(1.65rem,3vw,2.35rem);margin:0 0 5px}
#classBar {padding:12px 16px;margin:0 0 14px}
#classBar label {font-weight:650}
#classBar button {font-size:.82rem}
#storageMessage {margin-top:14px}
.map-layout {display:grid;gap:14px}
.map-settings {padding:14px 18px}
.map-settings summary {cursor:pointer;color:var(--blue-dark);font-weight:700}
#settings {margin-top:12px}
#settings textarea {background:#f8faff}
#mapCard {min-width:0}
.seat-summary {display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}
.front {background:#e7efff;border:1px solid #cfdbf6;color:var(--blue-dark);font-weight:700}
.fixture,.fixture.desk {background:white;border-color:#cbd7ef;color:var(--blue-dark)}
.seat {display:flex;flex-direction:column;align-items:flex-start;justify-content:space-between;gap:5px;min-height:82px;background:#fff;border-color:var(--line);padding:9px;text-align:left}
.seat-number {color:var(--blue-dark);background:var(--tint);border-radius:100px;padding:1px 6px;font-size:.69em;font-weight:700}
.seat[data-empty=true] {background:#f2f5fd;border-color:#cedaf2;color:var(--muted)}
.seat.selected {outline-color:var(--blue)}
.activity-modes {margin-top:0}
.activity-layout {display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.76fr);gap:14px;align-items:start}
.roster-card {grid-column:1}
#attendanceList {max-height:245px;overflow:auto;padding:8px 10px;background:#f5f7fd;border:1px solid var(--line);border-radius:10px}
.attendance-option {border-bottom:1px solid #e8edf8}
.attendance-option:last-child {border-bottom:0}
#groupCard:not(.projection):not([hidden]) {display:contents}
.group-controls,#drawCard {grid-column:2}
.group-controls #groupRule {max-width:100%}
.group-quantity {width:100%;background:var(--wash);padding:10px;border-radius:9px}
.group-quantity label {display:block;font-size:.83rem;margin-bottom:6px}
.group-quantity > div {display:flex;gap:8px;align-items:center}
.group-quantity button {min-width:36px;background:#e4edff;border-color:transparent;color:var(--blue-dark)}
.group-actions .primary {flex:1}
.group-output {grid-column:1/-1;min-width:0}
.result-heading {display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;background:var(--tint);padding:10px 14px;border-radius:10px;margin-bottom:12px}
.result-heading p {margin:0}
.group-results {grid-template-columns:repeat(auto-fit,minmax(min(100%,190px),1fr))}
.group-result {--team:#e8f0ff;background:white;border:1px solid var(--line);padding:0;overflow:hidden}
.group-result:nth-child(3n+2) {--team:#def7ee}
.group-result:nth-child(3n+3) {--team:#fff2d9}
.group-result-title {background:var(--team);padding:10px 12px;display:grid}
.group-result-title small {color:var(--muted)}
.group-result ul {list-style:decimal;padding:0 12px 12px 32px;margin:8px 0 0}
.group-result li {padding:3px 0;overflow-wrap:anywhere}
.group-result li::marker {color:var(--blue-dark)}
.projection {background:var(--wash);z-index:10}
#groupCard.projection .group-controls {margin-bottom:14px}
#groupCard.projection .group-controls > :not(.group-actions),#groupCard.projection #makeGroups {display:none}
#reviewPane {max-width:none}
#reviewAnswer,#reviewLayout th {background:var(--tint)}
dialog {max-width:min(90vw,580px);border:1px solid var(--line);border-radius:14px;padding:24px;color:var(--ink)}
dialog::backdrop {background:#101d4180}
.visually-hidden {position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
@media(max-width:1080px) {.home-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:740px) {
  .sidebar{position:static;width:auto;border-right:0;border-bottom:1px solid var(--line);padding:10px 12px}
  .sidebar-note,.sidebar-footer,#toolContext{display:none}
  .tool-nav{display:flex;overflow-x:auto;margin-top:9px}
  .tool-nav button{width:auto;flex:none;white-space:nowrap}
  .topbar{position:static;margin-left:0;min-height:0}
  main{margin-left:0}
}
@media(max-width:560px) {
  .topbar{flex-wrap:wrap}
  .topbar-actions{flex-wrap:wrap;gap:6px}
  .home-hero,.activity-layout{grid-template-columns:minmax(0,1fr)}
  .group-controls,#drawCard{grid-column:1}
  .home-grid{gap:8px}
  .home-tool{padding:12px}
  .home-tool button .ui-icon{display:none}
}
@media print {.sidebar,.topbar{display:none}main{margin:0}}
.seat[data-movable="true"] {cursor:grab;touch-action:none;user-select:none}
.seat.seat-dragging {cursor:grabbing;opacity:.55}
.seat.seat-drop-target {outline:2px solid var(--blue);outline-offset:-2px;background:#e4edff}
/* Cartões de carteira e leitura da sala no estilo do painel. */
#mapCard .front {background:transparent;border:0;padding:6px 0 14px}
#mapCard .front-label {width:min(75%,620px);margin:0 auto 10px;padding:8px;background:#dce8ff;border-radius:8px}
#mapCard .grid {gap:10px}
#mapCard .column {gap:10px}
#mapCard .seat {border-radius:12px;min-height:92px;padding:9px 10px}
.seat-tags {display:flex;flex-wrap:wrap;align-items:center;gap:3px;line-height:1.25}
.seat-status {color:var(--blue-dark);background:#e4edff;border-radius:100px;padding:1px 5px;font-size:.65em;font-weight:700}
.badge-absent {background:#fee9e7;color:#992c24}
.seat-position {color:var(--muted);font-size:.72em}
#mapCard .seat-dragging {opacity:.30}
#mapCard .seat-preview {position:fixed;top:0;left:0;z-index:12;pointer-events:none;box-shadow:0 12px 30px #142b6240;border-color:#7ca0f2;will-change:transform;animation:seat-lift .14s ease-out}
#mapCard .seat-landed {animation:seat-settle .28s ease-out}
@keyframes seat-lift {from {opacity:.45} to {opacity:1}}
@keyframes seat-settle {from {background:#dce8ff;scale:.98} to {scale:1}}
@media(prefers-reduced-motion:reduce) {#mapCard .seat-preview,#mapCard .seat-landed {animation:none}}

/* Simulators and ready-to-teach lessons */
.learning-banner {padding:clamp(16px,3vw,26px);margin-bottom:16px;background:linear-gradient(135deg,#fff,#eef3ff)}
.learning-banner h2 {margin:.65em 0 .35em}
.learning-banner p {margin:0;color:var(--muted)}
.learning-grid {display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start}
.learning-card {padding:clamp(14px,2vw,22px);min-width:0}
.learning-head {display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:8px}
.learning-head h2 {margin:.55em 0 0}
.learning-head button {flex:none}
.learning-controls {display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:12px 0}
.learning-controls label {display:block;font-weight:650;background:var(--tint);border-radius:8px;padding:8px}
.learning-controls output {display:inline-block;color:var(--blue-dark);margin-left:.3em}
.learning-controls input {display:block;width:100%;accent-color:var(--blue)}
.learning-chart {display:block;width:100%;background:#f8faff;border:1px solid var(--line);border-radius:10px}
.chart-axis,.chart-grid,.chart-curve {fill:none;vector-effect:non-scaling-stroke}
.chart-axis {stroke:var(--muted);stroke-width:1.25}
.chart-grid {stroke:#dce5f7}
.chart-curve {stroke:var(--blue);stroke-width:2.5}
.chart-point {fill:#c75c00;stroke:#fff;stroke-width:1.5}
.chart-label {font-size:13px;fill:var(--muted)}
.learning-metrics {margin-top:8px;font-weight:650;color:var(--blue-dark)}
.learning-task {background:var(--tint);padding:10px;border-radius:8px}
.lesson-steps {padding-inline-start:1.35em}
.lesson-steps li {margin-bottom:.6em}
.learning-card details {border:1px solid var(--line);padding:10px;border-radius:8px;margin:0 0 12px}
.learning-card details summary {cursor:pointer;font-weight:650}
.learning-card details p {margin:.65em 0 0}
.learning-card.projection {padding:clamp(16px,3vw,44px);font-size:clamp(1rem,2vw,1.55rem)}
.learning-card.projection h2 {font-size:clamp(1.3rem,3vw,2.35rem)}
.learning-card.projection .learning-chart {width:min(100%,1100px);max-height:44vh;margin-inline:auto}
@media(max-width:1050px) {.learning-grid{grid-template-columns:1fr}}

.resource-picker {padding:14px;margin-bottom:16px}
.resource-picker label {display:grid;gap:4px;width:min(100%,260px);font-weight:650}
.resource-choices:not([hidden]) {display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:10px;margin-top:12px}
.resource-choices .resource-choice {
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:52px;padding:10px 12px;text-align:left;white-space:normal;
  border-color:var(--line);background:var(--tint);color:var(--blue-dark);
}
.resource-choice::after {content:"";width:.42em;height:.42em;flex:none;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg)}
.resource-choices .resource-choice:hover,.resource-choices .resource-choice[aria-expanded=true] {background:#e4edff;border-color:var(--blue)}
.resource-choice[aria-expanded=true]::after {transform:rotate(225deg)}
.resource-picker select,.learning-controls select {display:block;width:100%;min-width:0}
.resource-stage > .learning-card:not(.projection),.lesson-deck:not(.projection) {max-width:980px;margin-inline:auto}
.resource-stage > .learning-card:not(.projection) .learning-chart {max-height:360px}
.lesson-slide {padding:clamp(14px,3vw,36px);border:1px solid var(--line);border-radius:12px;background:#fff;min-height:250px}
.lesson-slide h3 {font-size:1.35em;margin:0 0 .6em}
.slide-lead {font-size:1.25em;color:var(--blue-dark);font-weight:650}
.lesson-slide li + li {margin-top:.55em}
.lesson-nav {margin-top:12px}
.slide-figure {display:block;width:min(100%,660px);max-height:32vh;margin:.7em auto 0;font-size:13px;fill:var(--ink)}
.lesson-table {overflow-x:auto;margin-block:.65em}
.lesson-table table {border-collapse:collapse;width:100%}
.lesson-table td,.lesson-table th {border:1px solid var(--line);padding:.42em .65em;text-align:left}
.lesson-table thead {background:var(--tint);color:var(--blue-dark)}
.lesson-deck.projection .lesson-slide {min-height:min(52vh,530px)}
.dice-legend {display:flex;flex-wrap:wrap;gap:8px 16px;margin:.4em 0;color:#1249ce}
.dice-legend span + span {color:#a34d00}