/* Laboratório de Engenharia de Software - totalmente isolado da tela de login. */
#app #tab-engenharia {
  --eng-navy: #0b2747;
  --eng-blue: #0d6e8a;
  --eng-cyan: #13a6a6;
  --eng-mint: #dff7f2;
  --eng-ink: #14243a;
  --eng-muted: #607087;
  --eng-line: #d7e5e7;
  --eng-soft: #f3faf9;
  --eng-orange: #f37021;
}

#app #tab-engenharia .eng-lab { display: grid; gap: 34px; }
#app #tab-engenharia .eng-lab-hero { border-left-color: var(--eng-cyan); background: radial-gradient(circle at 92% 10%, rgba(19,166,166,.16), transparent 18rem), linear-gradient(120deg, #fff, #effbf9); }
#app #tab-engenharia .eng-lab-hero::after { border-color: rgba(19,166,166,.08); }
#app #tab-engenharia .eng-kicker { display: inline-block; margin-bottom: 7px; color: #087778; font-size: .75rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
#app #tab-engenharia .eng-hero-stats { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
#app #tab-engenharia .eng-hero-stats span { display: inline-flex; align-items: baseline; gap: 6px; padding: 8px 12px; border: 1px solid rgba(13,110,138,.18); border-radius: 999px; color: var(--eng-muted); background: rgba(255,255,255,.82); font-size: .82rem; }
#app #tab-engenharia .eng-hero-stats strong { color: var(--eng-navy); font-size: 1rem; }

#app #tab-engenharia .eng-local-nav { position: sticky; top: 145px; z-index: 5; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; width: max-content; max-width: 100%; margin: -14px auto 0; padding: 8px; border: 1px solid var(--eng-line); border-radius: 16px; background: rgba(255,255,255,.94); box-shadow: 0 12px 30px rgba(11,39,71,.1); backdrop-filter: blur(14px); }
#app #tab-engenharia .eng-local-nav a { padding: 8px 13px; border-radius: 10px; color: var(--eng-navy); font-size: .82rem; font-weight: 750; text-decoration: none; }
#app #tab-engenharia .eng-local-nav a:hover { color: #fff; background: var(--eng-blue); }

#app #tab-engenharia .eng-module { scroll-margin-top: 210px; display: grid; gap: 22px; }
#app #tab-engenharia .eng-section-heading { display: grid; grid-template-columns: auto minmax(0,1fr); align-items: start; gap: 16px; }
#app #tab-engenharia .eng-section-index { display: grid; width: 48px; height: 48px; place-items: center; border-radius: 15px; color: #fff; background: linear-gradient(145deg,var(--eng-blue),var(--eng-cyan)); box-shadow: 0 9px 22px rgba(13,110,138,.22); font-weight: 850; }
#app #tab-engenharia .eng-section-heading h3 { margin: 0 0 6px; color: var(--eng-ink); font-size: clamp(1.25rem,2.5vw,1.7rem); line-height: 1.2; }
#app #tab-engenharia .eng-section-heading p { max-width: 850px; color: var(--eng-muted); }

#app #tab-engenharia .eng-progress-panel { display: grid; grid-template-columns: repeat(3,minmax(100px,1fr)) minmax(180px,2fr) auto; align-items: center; gap: 12px; padding: 16px; border: 1px solid var(--eng-line); border-radius: 18px; background: #fff; box-shadow: 0 8px 24px rgba(11,39,71,.06); }
#app #tab-engenharia .eng-progress-panel > div:not(.eng-progress-track) { display: grid; gap: 2px; }
#app #tab-engenharia .eng-progress-panel span { color: var(--eng-muted); font-size: .75rem; }
#app #tab-engenharia .eng-progress-panel strong { color: var(--eng-navy); font-size: 1.25rem; }
#app #tab-engenharia .eng-progress-track { overflow: hidden; height: 10px; border-radius: 999px; background: #e5eff1; }
#app #tab-engenharia .eng-progress-track span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg,var(--eng-blue),var(--eng-cyan)); transition: width .3s ease; }
#app #tab-engenharia .eng-secondary-button { min-height: 42px; padding: 8px 14px; border: 1px solid #bdd3d7; border-radius: 11px; color: var(--eng-navy); background: #fff; font-weight: 750; cursor: pointer; }
#app #tab-engenharia .eng-secondary-button:hover { border-color: var(--eng-blue); background: var(--eng-soft); }

#app #tab-engenharia .eng-quiz-list { display: grid; gap: 15px; }
#app #tab-engenharia .eng-unit-quiz { overflow: hidden; border: 1px solid var(--eng-line); border-radius: 20px; background: #fff; box-shadow: 0 9px 26px rgba(11,39,71,.06); }
#app #tab-engenharia .eng-unit-quiz > summary { display: grid; grid-template-columns: auto minmax(0,1fr) auto; align-items: center; gap: 14px; padding: 18px; cursor: pointer; list-style: none; }
#app #tab-engenharia .eng-unit-quiz > summary::-webkit-details-marker { display: none; }
#app #tab-engenharia .eng-unit-quiz[open] > summary { border-bottom: 1px solid var(--eng-line); background: var(--eng-soft); }
#app #tab-engenharia .eng-unit-icon { display: grid; width: 48px; height: 48px; place-items: center; border-radius: 14px; background: var(--eng-mint); font-size: 1.5rem; }
#app #tab-engenharia .eng-unit-quiz summary > span:nth-child(2) { display: grid; }
#app #tab-engenharia .eng-unit-quiz summary small { color: var(--eng-blue); font-weight: 850; }
#app #tab-engenharia .eng-unit-quiz summary strong { color: var(--eng-ink); font-size: 1rem; }
#app #tab-engenharia .eng-unit-quiz summary em { color: var(--eng-muted); font-size: .82rem; font-style: normal; }
#app #tab-engenharia .eng-unit-score { min-width: 50px; padding: 7px 10px; border-radius: 999px; color: #fff; background: var(--eng-navy); text-align: center; font-size: .8rem; font-weight: 850; }
#app #tab-engenharia .eng-questions-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 15px; padding: 18px; }
#app #tab-engenharia .eng-question-card { padding: 18px; border: 1px solid var(--eng-line); border-radius: 16px; background: #fff; }
#app #tab-engenharia .eng-question-number { color: var(--eng-blue); font-size: .72rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
#app #tab-engenharia .eng-question-card h4 { margin: 5px 0 13px; color: var(--eng-ink); font-size: .95rem; line-height: 1.4; }
#app #tab-engenharia .eng-options { display: grid; gap: 8px; }
#app #tab-engenharia .eng-option { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 9px; min-height: 44px; padding: 8px 10px; border: 1px solid var(--eng-line); border-radius: 11px; color: var(--eng-ink); background: #f9fbfc; text-align: left; cursor: pointer; }
#app #tab-engenharia .eng-option > span { display: grid; width: 26px; height: 26px; place-items: center; border-radius: 8px; color: var(--eng-blue); background: #e9f4f5; font-size: .73rem; font-weight: 850; }
#app #tab-engenharia .eng-option:hover:not(:disabled) { border-color: var(--eng-cyan); transform: translateY(-1px); }
#app #tab-engenharia .eng-option.is-correct { border-color: #54a874; color: #145c31; background: #eaf8ef; }
#app #tab-engenharia .eng-option.is-wrong { border-color: #d68282; color: #8c2626; background: #fff0f0; }
#app #tab-engenharia .eng-feedback { margin-top: 12px; padding: 11px 12px; border-radius: 11px; font-size: .82rem; }
#app #tab-engenharia .eng-feedback.is-correct { color: #145c31; background: #eaf8ef; }
#app #tab-engenharia .eng-feedback.is-wrong { color: #7d2e2e; background: #fff0f0; }

#app #tab-engenharia .eng-simulations-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
#app #tab-engenharia .eng-simulation-card { overflow: hidden; border: 1px solid var(--eng-line); border-radius: 22px; background: #fff; box-shadow: 0 14px 36px rgba(11,39,71,.09); }
#app #tab-engenharia .eng-simulation-card > header { display: flex; gap: 12px; padding: 17px 18px; border-bottom: 1px solid rgba(255,255,255,.12); color: #fff; background: linear-gradient(125deg,var(--eng-navy),var(--eng-blue)); }
#app #tab-engenharia .eng-simulation-card > header > span { font-size: 1.65rem; }
#app #tab-engenharia .eng-simulation-card header small { color: #8fe5dc; font-weight: 850; }
#app #tab-engenharia .eng-simulation-card h4 { margin: 1px 0 3px; color: #fff; font-size: 1.05rem; }
#app #tab-engenharia .eng-simulation-card header p { color: #d7edf0; font-size: .78rem; }
#app #tab-engenharia .eng-3d-viewport { position: relative; overflow: hidden; height: 330px; perspective: 900px; touch-action: pan-y; cursor: grab; background: radial-gradient(circle at 50% 35%,#e8fffb,#c9e4e6 55%,#9fbfc5); }
#app #tab-engenharia .eng-3d-viewport:active { cursor: grabbing; }
#app #tab-engenharia .eng-3d-viewport::before { content: ''; position: absolute; inset: 0; opacity: .35; background-image: linear-gradient(rgba(13,110,138,.15) 1px,transparent 1px),linear-gradient(90deg,rgba(13,110,138,.15) 1px,transparent 1px); background-size: 28px 28px; transform: perspective(500px) rotateX(62deg) scale(1.7) translateY(30%); }
#app #tab-engenharia .eng-3d-world { position: absolute; top: 50%; left: 50%; width: 210px; height: 210px; transform-style: preserve-3d; transform: translate(-50%,-50%) rotateX(var(--rx)) rotateY(var(--ry)) scale(var(--zoom)); transition: transform .18s ease-out; }
#app #tab-engenharia .eng-3d-platform { position: absolute; inset: 24px; display: grid; place-items: center; border: 2px solid rgba(255,255,255,.75); border-radius: 50%; color: rgba(255,255,255,.8); background: linear-gradient(145deg,rgba(11,39,71,.82),rgba(13,110,138,.72)); box-shadow: 0 30px 50px rgba(11,39,71,.24); transform: rotateX(90deg) translateZ(-55px); font-size: 2rem; font-weight: 900; }
#app #tab-engenharia .eng-3d-node { position: absolute; top: 50%; left: 50%; display: grid; width: 88px; min-height: 78px; place-items: center; gap: 2px; padding: 8px; border: 1px solid rgba(255,255,255,.75); border-radius: 15px; color: var(--eng-navy); background: rgba(255,255,255,.93); box-shadow: 0 12px 26px rgba(11,39,71,.2); transform: rotateY(var(--node-angle)) translateZ(145px) rotateY(var(--node-inverse)) translate(-50%,-50%); cursor: pointer; backface-visibility: hidden; }
#app #tab-engenharia .eng-3d-node span { font-size: 1.45rem; }
#app #tab-engenharia .eng-3d-node strong { font-size: .68rem; line-height: 1.1; }
#app #tab-engenharia .eng-3d-node:hover,#app #tab-engenharia .eng-3d-node.is-active { outline: 3px solid var(--eng-orange); outline-offset: 2px; }
#app #tab-engenharia .eng-3d-controls { display: flex; flex-wrap: wrap; justify-content: center; gap: 7px; padding: 11px; border-top: 1px solid var(--eng-line); border-bottom: 1px solid var(--eng-line); background: #f7fafb; }
#app #tab-engenharia .eng-3d-controls button { min-width: 44px; min-height: 40px; padding: 7px 11px; border: 1px solid var(--eng-line); border-radius: 9px; color: var(--eng-navy); background: #fff; font-weight: 750; cursor: pointer; }
#app #tab-engenharia .eng-node-detail { display: grid; grid-template-columns: auto 1fr; align-items: start; gap: 11px; min-height: 98px; padding: 15px 18px; }
#app #tab-engenharia .eng-node-detail > span { font-size: 1.45rem; }
#app #tab-engenharia .eng-node-detail strong { color: var(--eng-ink); }
#app #tab-engenharia .eng-node-detail p { color: var(--eng-muted); font-size: .82rem; }

#app #tab-engenharia .eng-flow-shell { overflow: hidden; border: 1px solid var(--eng-line); border-radius: 20px; background: #fff; box-shadow: 0 10px 28px rgba(11,39,71,.07); }
#app #tab-engenharia .eng-flow-track { display: grid; grid-template-columns: repeat(7,minmax(120px,1fr)); overflow-x: auto; padding: 18px; gap: 8px; background: var(--eng-soft); }
#app #tab-engenharia .eng-flow-step { position: relative; display: grid; min-height: 105px; justify-items: center; align-content: center; gap: 4px; padding: 10px; border: 1px solid var(--eng-line); border-radius: 14px; color: var(--eng-ink); background: #fff; text-align: center; cursor: pointer; }
#app #tab-engenharia .eng-flow-step:not(:last-child)::after { content: '→'; position: absolute; top: 42%; right: -11px; z-index: 2; color: var(--eng-blue); font-weight: 900; }
#app #tab-engenharia .eng-flow-step.is-active { border-color: var(--eng-cyan); color: #fff; background: linear-gradient(145deg,var(--eng-blue),var(--eng-cyan)); }
#app #tab-engenharia .eng-flow-icon { font-size: 1.45rem; }
#app #tab-engenharia .eng-flow-step strong { font-size: .8rem; }
#app #tab-engenharia .eng-flow-step small { color: inherit; opacity: .78; font-size: .7rem; }
#app #tab-engenharia .eng-flow-detail { display: grid; grid-template-columns: auto 1fr; gap: 15px; min-height: 130px; align-items: center; padding: 22px; }
#app #tab-engenharia .eng-flow-detail > span { font-size: 2rem; }
#app #tab-engenharia .eng-flow-detail small { color: var(--eng-blue); font-weight: 750; }
#app #tab-engenharia .eng-flow-detail h4 { margin: 3px 0 5px; color: var(--eng-ink); }
#app #tab-engenharia .eng-flow-detail p { color: var(--eng-muted); }
#app #tab-engenharia .eng-code-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 15px; }
#app #tab-engenharia .eng-code-card { overflow: hidden; min-width: 0; border: 1px solid #263d57; border-radius: 16px; background: #0b1728; box-shadow: 0 11px 30px rgba(8,23,40,.18); }
#app #tab-engenharia .eng-code-card header { display: flex; justify-content: space-between; gap: 10px; padding: 11px 13px; border-bottom: 1px solid #29415e; color: #ddecff; background: #11243b; font-size: .75rem; }
#app #tab-engenharia .eng-code-card header span { color: #72d5c8; }
#app #tab-engenharia .eng-code-card pre { overflow-x: auto; padding: 14px; color: #d6e6f7; font: 12px/1.55 Consolas,monospace; }

#app #tab-engenharia .eng-glossary-toolbar { display: grid; grid-template-columns: minmax(220px,2fr) minmax(180px,1fr) auto; align-items: end; gap: 12px; padding: 16px; border: 1px solid var(--eng-line); border-radius: 18px; background: #fff; }
#app #tab-engenharia .eng-search-field,#app #tab-engenharia .eng-filter-field { display: grid; gap: 6px; color: var(--eng-ink); font-size: .78rem; font-weight: 750; }
#app #tab-engenharia .eng-search-field input,#app #tab-engenharia .eng-filter-field select { width: 100%; min-height: 46px; padding: 9px 12px; border: 1px solid #bfd0d5; border-radius: 11px; color: var(--eng-ink); background: #fbfdfd; font: inherit; }
#app #tab-engenharia .eng-results-count { min-width: 145px; padding-bottom: 10px; color: var(--eng-muted); font-size: .8rem; text-align: right; }
#app #tab-engenharia .eng-glossary-groups { display: grid; gap: 22px; }
#app #tab-engenharia .eng-glossary-group { display: grid; gap: 13px; }
#app #tab-engenharia .eng-glossary-group > header { display: grid; grid-template-columns: auto minmax(0,1fr) auto; align-items: center; gap: 12px; padding: 14px 16px; border-left: 4px solid var(--eng-cyan); border-radius: 14px; background: linear-gradient(90deg,#eaf9f7,#f8fcfc); }
#app #tab-engenharia .eng-glossary-group > header > span { font-size: 1.5rem; }
#app #tab-engenharia .eng-glossary-group h4 { color: var(--eng-ink); }
#app #tab-engenharia .eng-glossary-group header p { color: var(--eng-muted); font-size: .78rem; }
#app #tab-engenharia .eng-glossary-group header > strong { display: grid; min-width: 40px; height: 40px; place-items: center; border-radius: 12px; color: #fff; background: var(--eng-navy); }
#app #tab-engenharia .eng-glossary-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
#app #tab-engenharia .eng-glossary-card { display: grid; align-content: start; overflow: hidden; min-width: 0; border: 1px solid var(--eng-line); border-radius: 17px; background: #fff; box-shadow: 0 7px 22px rgba(11,39,71,.06); }
#app #tab-engenharia .eng-glossary-title { display: flex; justify-content: space-between; gap: 10px; padding: 15px; border-bottom: 1px solid var(--eng-line); background: #f5fafb; }
#app #tab-engenharia .eng-glossary-title span { color: var(--eng-blue); font-size: .68rem; font-weight: 800; text-transform: uppercase; }
#app #tab-engenharia .eng-glossary-title h5 { margin-top: 2px; color: var(--eng-navy); font-size: 1.15rem; }
#app #tab-engenharia .eng-country { max-width: 45%; text-align: right; }
#app #tab-engenharia .eng-glossary-card dl { display: grid; gap: 11px; padding: 15px; }
#app #tab-engenharia .eng-glossary-card dt { margin-bottom: 2px; color: var(--eng-blue); font-size: .68rem; font-weight: 850; letter-spacing: .05em; text-transform: uppercase; }
#app #tab-engenharia .eng-glossary-card dd { color: var(--eng-muted); font-size: .79rem; line-height: 1.48; }
#app #tab-engenharia .eng-glossary-card > a { align-self: end; margin: 0 15px 15px; color: var(--eng-blue); font-size: .76rem; font-weight: 750; text-decoration: none; }
#app #tab-engenharia .eng-history-note { padding: 13px 15px; border-left: 4px solid var(--eng-orange); border-radius: 10px; color: var(--eng-muted); background: #fff7f1; font-size: .78rem; }
#app #tab-engenharia .eng-loading,#app #tab-engenharia .eng-empty-state { padding: 28px; border: 1px dashed var(--eng-line); border-radius: 15px; color: var(--eng-muted); background: #fff; text-align: center; }

@media (max-width:1100px) {
  #app #tab-engenharia .eng-local-nav { top: 72px; }
  #app #tab-engenharia .eng-progress-panel { grid-template-columns: repeat(3,1fr); }
  #app #tab-engenharia .eng-progress-track { grid-column: 1/-2; }
  #app #tab-engenharia .eng-glossary-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  #app #tab-engenharia .eng-code-grid { grid-template-columns: 1fr; }
}

@media (max-width:768px) {
  #app #tab-engenharia .eng-local-nav { position: relative; top: auto; width: 100%; }
  #app #tab-engenharia .eng-local-nav a { flex: 1 1 130px; text-align: center; }
  #app #tab-engenharia .eng-questions-grid,#app #tab-engenharia .eng-simulations-grid,#app #tab-engenharia .eng-glossary-grid { grid-template-columns: 1fr; }
  #app #tab-engenharia .eng-progress-panel { grid-template-columns: repeat(3,1fr); }
  #app #tab-engenharia .eng-progress-track { grid-column: 1/-1; }
  #app #tab-engenharia .eng-secondary-button { grid-column: 1/-1; }
  #app #tab-engenharia .eng-glossary-toolbar { grid-template-columns: 1fr; }
  #app #tab-engenharia .eng-results-count { min-width: 0; padding: 0; text-align: left; }
  #app #tab-engenharia .eng-3d-viewport { height: 300px; }
}

@media (max-width:520px) {
  #app #tab-engenharia .eng-section-heading { grid-template-columns: 1fr; }
  #app #tab-engenharia .eng-section-index { width: 42px; height: 42px; }
  #app #tab-engenharia .eng-hero-stats span { flex: 1 1 120px; justify-content: center; }
  #app #tab-engenharia .eng-progress-panel { grid-template-columns: repeat(3,1fr); padding: 12px; }
  #app #tab-engenharia .eng-progress-panel strong { font-size: 1rem; }
  #app #tab-engenharia .eng-unit-quiz > summary { grid-template-columns: auto minmax(0,1fr); }
  #app #tab-engenharia .eng-unit-score { grid-column: 1/-1; justify-self: end; }
  #app #tab-engenharia .eng-questions-grid { padding: 12px; }
  #app #tab-engenharia .eng-question-card { padding: 14px; }
  #app #tab-engenharia .eng-3d-viewport { height: 280px; }
  #app #tab-engenharia .eng-3d-world { width: 175px; height: 175px; }
  #app #tab-engenharia .eng-3d-node { width: 76px; min-height: 68px; transform: rotateY(var(--node-angle)) translateZ(115px) rotateY(var(--node-inverse)) translate(-50%,-50%); }
  #app #tab-engenharia .eng-flow-detail { grid-template-columns: 1fr; }
  #app #tab-engenharia .eng-glossary-title { flex-direction: column; }
  #app #tab-engenharia .eng-country { max-width: none; text-align: left; }
}

@media (prefers-reduced-motion:reduce) {
  #app #tab-engenharia *,#app #tab-engenharia *::before,#app #tab-engenharia *::after { scroll-behavior:auto!important; animation:none!important; transition:none!important; }
}