/* Plataforma de várias provas: login, escolha da prova, base, prática e área de resolução. */
.booting aside,
.booting main {
  visibility: hidden;
}
body.gated aside,
body.gated main,
body.gated .skip {
  display: none;
}
.switch {
  display: inline-block;
  margin: -24px 0 26px;
  color: var(--on-navy-muted);
  font-size: 12.5px;
  text-decoration: none;
  border: 1px solid var(--navy-3);
  border-radius: 8px;
  padding: 6px 10px;
}
.switch:hover {
  background: var(--navy-2);
  color: var(--on-navy);
}
.sidebottom {
  justify-content: space-between;
}
.who {
  display: flex;
  gap: 10px;
  align-items: center;
  min-width: 0;
  overflow-wrap: anywhere;
}
.signout {
  color: var(--on-navy-muted);
}
.contabtns {
  display: grid;
  gap: 6px;
  justify-items: end;
  flex: none;
}

/* Selos das provas */
.seal {
  --seal: #1f5f74;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
  background: var(--seal);
  color: #fff;
  font: 700 16px/1 var(--display);
  letter-spacing: 0.2px;
  white-space: nowrap;
  box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.2),
    0 0 0 1px rgba(16, 46, 57, 0.08);
}
.seal.mid {
  font-size: 13px;
}
.seal.long {
  font-size: 10.5px;
}
.seal.sm {
  width: 40px;
  height: 40px;
  font-size: 12px;
}
.seal.sm.mid {
  font-size: 10px;
}
.seal.sm.long {
  font-size: 8px;
}
.seal.lg {
  width: 92px;
  height: 92px;
  font-size: 26px;
}
.seal.gold {
  background: var(--navy);
  color: var(--gold);
  box-shadow: inset 0 0 0 3px var(--gold),
    inset 0 0 0 6px var(--navy),
    inset 0 0 0 7px rgba(221, 174, 100, 0.45);
}

/* Login */
.gate.login {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
}
.gatebrand {
  background: radial-gradient(circle at 88% 14%, transparent 0 62px, rgba(221, 174, 100, 0.55) 63px 65px, transparent 66px),
    radial-gradient(circle at 88% 14%, transparent 0 118px, rgba(221, 174, 100, 0.22) 119px 120px, transparent 121px),
    radial-gradient(circle at 88% 14%, transparent 0 176px, rgba(221, 174, 100, 0.12) 177px 178px, transparent 179px),
    var(--navy);
  color: #fff;
  padding: 56px max(24px, 6vw);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
}
.gatebrand .brand,
.hubbar .brand {
  color: var(--on-navy);
}
.gatebrand h1 {
  font-size: clamp(30px, 3.6vw, 48px);
  letter-spacing: -1.4px;
  line-height: 1.08;
  max-width: 15ch;
  margin: 18px 0 0;
}
.gatebrand p {
  color: var(--on-navy-muted);
  max-width: 46ch;
  font-size: 16px;
  margin: 0;
}
.sealrow {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.gateform {
  display: grid;
  place-items: center;
  padding: 40px max(16px, 4vw);
}
.authcard {
  width: 100%;
  max-width: 420px;
  display: grid;
  gap: 14px;
  padding: 30px;
}
.authcard h2 {
  font-size: 26px;
  margin: 0;
}
.authcard label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
}
.authcard label .opcional {
  font-weight: 400;
  color: var(--muted);
}
.authcard input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 12px;
  font: inherit;
  font-weight: 400;
  background: var(--surface-2);
  color: var(--ink);
}
.authcard .metric-note {
  margin: 0;
}
.authnote {
  margin: 0;
  padding: 10px 12px;
  border-radius: 9px;
  font-size: 13px;
}
.authnote.ok {
  background: var(--ok-soft);
  color: var(--ok);
}
.authnote.bad {
  background: var(--bad-soft);
  color: var(--bad);
}
.authlinks {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
button.big {
  width: 100%;
  padding: 14px 18px;
  font-size: 15px;
  border-radius: 11px;
  text-align: center;
}
button.big small {
  display: block;
  color: inherit;
  opacity: 0.75;
  font-weight: 400;
  margin-top: 2px;
}
button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  filter: none;
}

/* Escolha da prova */
.hubbar {
  background: var(--navy);
  color: var(--on-navy);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-block: 16px;
  padding-left: max(16px, 4vw);
  padding-right: max(16px, 4vw);
}
.hubbar .brand {
  font-size: 26px;
}
.hubuser {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--on-navy-muted);
}
.hubuser .secondary {
  background: var(--navy-2);
  color: var(--on-navy);
  border: 0;
}
.hubbody {
  max-width: 1180px;
  margin: 0 auto;
  padding-block: 40px 60px;
  padding-left: max(16px, 4vw);
  padding-right: max(16px, 4vw);
}
.hubbody > h1 {
  font-size: clamp(30px, 4vw, 42px);
}
.hubbody h1:focus {
  outline: none;
}
.featured {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  padding: 28px 30px;
  margin-top: 26px;
  border-color: var(--gold-line);
  background: linear-gradient(120deg, var(--paper-warm), var(--surface) 60%);
}
.featured h2 {
  font-size: 26px;
  margin: 4px 0 6px;
}
.featured p {
  margin: 0;
  max-width: 60ch;
}
.featured .big {
  width: auto;
  white-space: nowrap;
}
.examcards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: 16px;
}
.examcard {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
}
.examtop {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.examcard h3 {
  margin: 2px 0 4px;
}
.examcard small {
  margin-top: 2px;
}
.examcard > button,
.examcard > .lock {
  align-self: flex-start;
}
.locked {
  opacity: 0.62;
  box-shadow: none;
}
.lock {
  font-size: 12px;
  color: var(--muted);
  border: 1px dashed var(--line-strong);
  border-radius: 8px;
  padding: 7px 10px;
}

/* Base da prova */
.basesummary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.basesummary > div {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
  box-shadow: var(--shadow);
}
.basesummary strong {
  display: block;
  font: 700 32px/1.1 var(--display);
  letter-spacing: -1px;
  font-variant-numeric: tabular-nums;
}
.basesummary span {
  font-size: 13px;
  color: var(--muted);
}
.areahead {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 22px;
}
.areahead small {
  font: 500 12px var(--mono);
  letter-spacing: 0.5px;
}
.basegrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.basecard,
.subject {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.subjecthead {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}
.subjecthead h3 {
  margin: 0;
  font-size: 17px;
}
.count {
  font: 500 12px var(--mono);
  color: var(--green);
  background: var(--soft);
  border-radius: 20px;
  padding: 3px 9px;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.subject .progress,
.basecard .progress {
  margin: 0;
}
.subject > small {
  line-height: 1.5;
}
.subject .actions,
.basecard .actions {
  margin-top: auto;
}
.items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
  font-size: 13.5px;
}
.items li {
  padding-left: 20px;
  position: relative;
}
.items li:before {
  content: '';
  position: absolute;
  left: 3px;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1.5px solid var(--line-strong);
}
.items li.done {
  color: var(--muted);
}
.items li.done:before {
  background: var(--green);
  border-color: var(--green);
}
.ranking {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 4px;
  counter-reset: rank;
}
.ranking li {
  counter-increment: rank;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px 28px;
  padding: 14px 0 14px 38px;
  border-top: 1px solid var(--line);
  position: relative;
}
.ranking li:before {
  content: counter(rank);
  position: absolute;
  left: 0;
  top: 13px;
  font: 700 18px var(--display);
  color: var(--faint);
  width: 28px;
  text-align: right;
}
.rankhead {
  display: flex;
  justify-content: space-between;
  gap: 8px 16px;
  flex-wrap: wrap;
  align-items: baseline;
}
.rankname {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  align-items: center;
}
.ranknum {
  font: 500 12.5px var(--mono);
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.rankbar {
  height: 8px;
  border-radius: 6px;
  background: var(--soft);
  overflow: hidden;
}
.rankbar i {
  display: block;
  height: 100%;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--green), var(--green-2));
}
.rankmain {
  display: grid;
  gap: 6px;
  min-width: 0;
}
.rankactions {
  display: flex;
  gap: 6px;
  align-items: center;
}
.years {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.yearbtn {
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 12px;
  text-align: left;
  font-weight: 400;
}
.yearbtn:hover {
  border-color: var(--green);
  filter: none;
}
.yearbtn b {
  display: block;
  font: 700 15px var(--display);
}
.yearbtn small {
  font-size: 11px;
}
.examgroups {
  display: grid;
  gap: 14px;
}
.eghead {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}
.eghead h3 {
  margin: 0;
}
.facts-line {
  font: 500 12.5px var(--mono);
  color: var(--muted);
  margin: 0 0 6px;
}

/* Lista de livros */
.listhead {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px 24px;
  margin-bottom: 8px;
}
.listhead h2 {
  margin: 0;
}
.listhead .metric-note {
  margin: 4px 0 0;
}
.listhead input {
  max-width: 320px;
}
.booklist {
  list-style: none;
  margin: 0;
  padding: 0;
}
.booklist li + li {
  border-top: 1px solid var(--line);
}
.bookrow {
  width: 100%;
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  background: none;
  color: var(--ink);
  text-align: left;
  padding: 13px 8px;
  border-radius: 8px;
  font-weight: 400;
}
.bookrow:hover {
  background: var(--soft);
  filter: none;
}
.bookcat {
  font: 500 10.5px var(--mono);
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--muted);
}
.booktitle b {
  display: block;
  font-size: 14.5px;
  font-weight: 600;
}
.bookgo {
  color: var(--green);
  font-weight: 600;
  white-space: nowrap;
}
.program .task small {
  display: none;
}
.notelabel {
  display: block;
  font-size: 12px;
  font-weight: 600;
  margin-top: 18px;
}

/* Exercícios: escolha da matéria */
.segmented {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border-radius: 12px;
  background: var(--soft-2);
  margin-bottom: 18px;
}
.segmented button {
  background: none;
  color: var(--muted);
  padding: 8px 16px;
  border-radius: 9px;
}
.segmented button.selected {
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 1px 3px rgba(16, 46, 57, 0.12);
}
.practice {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 22px;
  align-items: start;
}
.topiclist {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 6px 8px 12px;
  box-shadow: var(--shadow);
}
.grouphead {
  font: 500 11px var(--mono);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--green);
  margin: 0;
  padding: 16px 12px 6px;
}
.trow {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  background: none;
  color: var(--ink);
  text-align: left;
  padding: 11px 12px;
  border-radius: 9px;
  font-weight: 500;
  font-size: 14px;
}
.trow:hover {
  background: var(--soft);
  filter: none;
}
.trow.selected {
  background: var(--navy);
  color: var(--on-navy);
}
.tmeta {
  font: 400 12px var(--mono);
  color: var(--muted);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.trow.selected .tmeta {
  color: var(--on-navy-muted);
}
.startpanel {
  position: sticky;
  top: 20px;
  display: grid;
  gap: 14px;
}
.startpanel h2 {
  font-size: 24px;
  margin: 0;
}
.startpanel .metric-note {
  margin: 0;
}
.facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 0;
}
.facts div {
  background: var(--soft);
  border-radius: 10px;
  padding: 10px 12px;
}
.facts dt {
  font-size: 12px;
  color: var(--muted);
}
.facts dd {
  margin: 0;
  font: 700 26px/1.2 var(--display);
  font-variant-numeric: tabular-nums;
}
.field {
  display: grid;
  gap: 6px;
  font-size: 13px;
}
.field .chips {
  margin: 0;
}
.startbar {
  display: none;
}
.resume {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 22px;
  background: var(--gold-soft);
  border-color: var(--gold-line);
}
.attempts {
  display: grid;
  gap: 8px;
}
.attempt {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 14px;
  text-align: left;
  font-weight: 400;
}
.attempt:hover {
  border-color: var(--green);
  filter: none;
}
.attempt b {
  font-weight: 600;
}
.score {
  font: 500 14px var(--mono);
  color: var(--green);
}

/* Área de resolução: questão à esquerda, resposta fixa à direita */
.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 22px;
  align-items: start;
}
.workspace .qcard,
.workspace .qpanel {
  margin: 0;
}
.qpanel {
  position: sticky;
  top: 20px;
}
.qpanel .options {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}
.qpanel .opt {
  height: 52px;
}
.qpanel .qnav {
  margin-top: 18px;
}
.qpanel .qnav button {
  flex: 1;
  min-width: 0;
}
.wide {
  width: 100%;
  margin-top: 14px;
}
.qnav.mobile {
  display: none;
}

@media (max-width: 1100px) {
  .workspace,
  .practice {
    grid-template-columns: minmax(0, 1fr);
  }
  .qpanel,
  .startpanel {
    position: static;
  }
  .basegrid {
    grid-template-columns: minmax(0, 1fr);
  }
}
@media (max-width: 850px) {
  .gate.login {
    grid-template-columns: minmax(0, 1fr);
  }
  .gatebrand {
    padding: 32px 20px 28px;
  }
  .gatebrand h1 {
    font-size: 30px;
  }
  .sealrow .seal {
    width: 44px;
    height: 44px;
    font-size: 12px;
  }
  .sealrow .seal.mid {
    font-size: 9.5px;
  }
  .sealrow .seal.long {
    font-size: 7.5px;
  }
  .gateform {
    place-items: start center;
    padding: 24px 16px 40px;
  }
  .featured {
    grid-template-columns: auto minmax(0, 1fr);
  }
  .featured .big,
  .featured .lock {
    grid-column: 1 / -1;
    width: 100%;
  }
  .startbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    position: sticky;
    bottom: 0;
    z-index: 3;
    margin: 16px -20px 0;
    padding: 12px 20px;
    background: var(--navy);
    color: var(--on-navy);
  }
  .startbar small {
    color: var(--on-navy-muted);
  }
  .startbar button {
    background: var(--gold);
    color: var(--navy);
  }
}
@media (max-width: 650px) {
  aside {
    position: relative;
  }
  .switch {
    position: absolute;
    top: 20px;
    right: 20px;
    margin: 0;
  }
  .qnav.inpanel {
    display: none;
  }
  .qnav.mobile {
    display: flex;
  }
  .basesummary {
    grid-template-columns: minmax(0, 1fr);
  }
  .ranking li {
    grid-template-columns: minmax(0, 1fr);
  }
  .bookrow {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 4px 12px;
  }
  .bookcat {
    grid-column: 1 / -1;
  }
  .listhead input {
    max-width: none;
  }
  .hubuser > span {
    display: none;
  }
  .featured {
    padding: 22px 18px;
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }
  .seal.lg {
    width: 64px;
    height: 64px;
    font-size: 19px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
  }
}