/* Artigo — números primos e criptografia */
.prime-sequence {
  background: var(--ink);
  color: var(--paper);
  margin: 56px 0;
  padding: 30px;
}
.prime-sequence > div {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(8, 1fr);
}
.prime-sequence strong {
  align-items: center;
  aspect-ratio: 1;
  border: 1px solid rgba(185, 211, 198, 0.28);
  display: flex;
  font-size: clamp(20px, 2.5vw, 34px);
  font-weight: 400;
  justify-content: center;
}
.prime-sequence strong:nth-child(3n + 1) { color: var(--signal); }
.prime-sequence figcaption {
  color: rgba(244, 240, 231, 0.68);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 11px;
  line-height: 1.6;
  margin-top: 18px;
}
.math-example {
  background: var(--white);
  border-left: 5px solid var(--signal);
  margin: 56px 0;
  padding: clamp(28px, 5vw, 48px);
}
.math-example .math-example-label {
  color: var(--signal-dark);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.math-example h3 {
  color: var(--ink);
  font-size: clamp(25px, 3vw, 36px);
  font-weight: 400;
  margin: 0 0 24px;
}
.math-example ol { margin: 0 0 24px; padding-left: 24px; }
.math-example li { font-size: 17px; line-height: 1.7; margin-bottom: 11px; padding-left: 7px; }
.math-example li::marker { color: var(--signal-dark); font-weight: 700; }
.math-example p:last-child { font-size: 15px; margin-bottom: 0; }
.article-game-cta {
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(185, 211, 198, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(185, 211, 198, 0.06) 1px, transparent 1px);
  background-size: 34px 34px;
  color: var(--paper);
  margin: 64px 0;
  padding: clamp(32px, 5vw, 54px);
}
.article-game-cta .development-status {
  color: var(--signal);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  margin-bottom: 18px;
  text-transform: uppercase;
}
.article-game-cta h2 { color: var(--paper); margin: 0 0 22px; }
.article-game-cta p { color: rgba(244, 240, 231, 0.76); }
.article-game-cta .button { font-family: Arial, Helvetica, sans-serif; margin-top: 8px; }

/* Missão Primo */
.game-hero {
  align-items: center;
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(185, 211, 198, 0.065) 1px, transparent 1px),
    linear-gradient(90deg, rgba(185, 211, 198, 0.065) 1px, transparent 1px);
  background-size: 42px 42px;
  color: var(--paper);
  display: grid;
  gap: clamp(50px, 8vw, 120px);
  grid-template-columns: minmax(0, 1.25fr) minmax(310px, 0.75fr);
  min-height: 650px;
  padding: clamp(85px, 10vw, 135px) max(28px, calc((100vw - var(--max)) / 2));
}
.game-hero h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(53px, 7.3vw, 104px);
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 0.94;
  margin: 22px 0 0;
}
.game-hero h1 em { color: var(--signal); font-weight: 400; }
.game-hero-copy > p:last-child {
  color: rgba(244, 240, 231, 0.72);
  font-size: clamp(16px, 1.45vw, 20px);
  line-height: 1.7;
  margin: 36px 0 0;
  max-width: 680px;
}
.game-hero-code {
  display: grid;
  gap: 9px;
  grid-template-columns: repeat(4, 1fr);
}
.game-hero-code span {
  align-items: center;
  aspect-ratio: 1;
  border: 1px solid rgba(185, 211, 198, 0.33);
  color: var(--mint);
  display: flex;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(22px, 3vw, 40px);
  justify-content: center;
}
.game-hero-code strong {
  align-items: center;
  background: var(--signal);
  color: var(--ink);
  display: flex;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(70px, 10vw, 140px);
  font-weight: 400;
  grid-column: 1 / -1;
  justify-content: center;
  min-height: 190px;
}
.game-hero-code small {
  color: rgba(244, 240, 231, 0.6);
  font-size: 11px;
  grid-column: 1 / -1;
  letter-spacing: 0.14em;
  text-align: right;
  text-transform: uppercase;
}
.game-introduction {
  background: var(--paper-deep);
  display: grid;
  gap: clamp(35px, 7vw, 100px);
  grid-template-columns: 0.8fr 1.2fr;
  padding: clamp(65px, 8vw, 105px) max(28px, calc((100vw - var(--max)) / 2));
}
.game-kicker {
  color: var(--signal-dark);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
  margin: 0 0 16px;
  text-transform: uppercase;
}
.game-introduction h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(34px, 4vw, 55px);
  font-weight: 400;
  line-height: 1.1;
  margin: 0;
}
.game-introduction > div:last-child > p {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.75;
  margin: 0;
}
.game-introduction .game-warning {
  border-left: 4px solid var(--signal);
  color: var(--ink);
  margin-top: 24px;
  padding-left: 20px;
}
.game-noscript {
  background: #fff1ca;
  color: var(--ink);
  margin: 0;
  padding: 22px max(28px, calc((100vw - var(--max)) / 2));
}
.game-workspace {
  margin: 0 auto;
  max-width: var(--max);
  padding: clamp(50px, 7vw, 90px) 28px clamp(90px, 11vw, 150px);
}
.game-progress {
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  display: flex;
  gap: 30px;
  justify-content: space-between;
  margin-bottom: 70px;
  padding: 20px 24px;
}
.game-progress > div { flex: 1; }
.game-progress span {
  color: var(--ink);
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.game-progress progress {
  accent-color: var(--signal-dark);
  display: block;
  height: 8px;
  max-width: 570px;
  width: 100%;
}
.game-reset,
.game-secondary-button {
  background: transparent;
  border: 0;
  border-bottom: 1px solid currentColor;
  color: var(--signal-dark);
  cursor: pointer;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 8px 0;
  text-transform: uppercase;
}
.game-secondary-button:disabled { cursor: not-allowed; opacity: 0.45; }
.game-level {
  border-top: 1px solid var(--line);
  padding: clamp(60px, 8vw, 100px) 0;
  position: relative;
}
.game-level.is-complete::after {
  background: var(--mint);
  color: var(--ink);
  content: "Etapa concluída ✓";
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 9px 12px;
  position: absolute;
  right: 0;
  text-transform: uppercase;
  top: 22px;
}
.game-level-heading {
  display: grid;
  gap: clamp(25px, 5vw, 70px);
  grid-template-columns: 90px minmax(0, 760px);
  margin-bottom: 45px;
}
.game-level-heading > span {
  color: var(--signal-dark);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 58px;
  line-height: 1;
}
.game-level-heading h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(36px, 4.5vw, 61px);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin: 0;
}
.game-level-heading h2 + p {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
  margin: 22px 0 0;
}
.prime-game-grid {
  display: grid;
  gap: 7px;
  grid-template-columns: repeat(10, 1fr);
  margin-left: 160px;
}
.prime-game-grid button {
  aspect-ratio: 1;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--ink);
  cursor: pointer;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(16px, 1.7vw, 23px);
  transition: background 140ms ease, color 140ms ease, transform 140ms ease;
}
.prime-game-grid button:hover { transform: translateY(-2px); }
.prime-game-grid button.is-selected {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--signal);
}
.game-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 30px;
}
.game-level > .game-actions,
.game-level > .game-feedback { margin-left: 160px; }
.game-feedback {
  border-left: 3px solid transparent;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.65;
  margin-bottom: 0;
  margin-top: 24px;
  min-height: 24px;
  padding-left: 15px;
}
.game-feedback.is-success { border-color: #17805f; color: #0f6248; }
.game-feedback.is-error { border-color: #bb5a34; color: #8b3e23; }
.factor-challenge {
  align-items: center;
  background: var(--signal);
  display: flex;
  justify-content: space-between;
  margin-left: 160px;
  max-width: 620px;
  padding: 25px 32px;
}
.factor-challenge p {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  margin: 0;
  text-transform: uppercase;
}
.factor-challenge strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 68px;
  font-weight: 400;
}
.factor-challenge-dark { background: var(--ink); color: var(--paper); }
.game-form,
.key-builder {
  display: grid;
  gap: 24px;
  margin-left: 160px;
  margin-top: 32px;
  max-width: 760px;
}
.key-builder { grid-template-columns: 1fr 1fr; }
.game-field { min-width: 0; }
.game-field-wide { grid-column: 1 / -1; }
.game-field label {
  color: var(--ink);
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 9px;
  text-transform: uppercase;
}
.game-field input,
.game-field select {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 0;
  color: var(--ink);
  font: inherit;
  font-size: 17px;
  min-height: 52px;
  padding: 12px 14px;
  width: 100%;
}
.game-field input:focus-visible,
.game-field select:focus-visible { outline: 3px solid var(--mint); outline-offset: 3px; }
.game-field small {
  color: var(--ink-soft);
  display: block;
  font-size: 11px;
  line-height: 1.5;
  margin-top: 8px;
}
.key-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 42px 0 0 160px;
}
.key-results > div {
  background: var(--white);
  border: 1px solid var(--line);
  min-height: 170px;
  padding: 23px;
}
.key-results > div + div { border-left: 0; }
.key-results span,
.key-results small {
  color: var(--ink-soft);
  display: block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.key-results strong {
  color: var(--ink);
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(27px, 3.2vw, 42px);
  font-weight: 400;
  margin: 24px 0 16px;
  overflow-wrap: anywhere;
}
.cipher-output {
  background: var(--ink);
  color: var(--paper);
  margin: 18px 0 0 160px;
  padding: 24px;
}
.cipher-output p {
  color: var(--mint);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin: 0 0 14px;
  text-transform: uppercase;
}
.cipher-output output {
  display: block;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 17px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}
.attack-form {
  align-items: end;
  grid-template-columns: 1fr auto 1fr;
}
.multiplication-sign {
  color: var(--signal-dark);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 36px;
  padding-bottom: 9px;
}
.mission-complete {
  background: var(--signal);
  color: var(--ink);
  margin-top: 20px;
  padding: clamp(38px, 7vw, 78px);
}
.mission-complete h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(38px, 5vw, 67px);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin: 0;
  max-width: 900px;
}
.mission-complete > p:not(.game-kicker) {
  font-size: 16px;
  line-height: 1.75;
  margin: 28px 0;
  max-width: 760px;
}
.mission-complete .button-primary { background: var(--ink); color: var(--paper); }
.game-reading {
  align-items: center;
  background: var(--blue);
  color: var(--paper);
  display: flex;
  gap: 30px;
  justify-content: space-between;
  padding: 45px max(28px, calc((100vw - var(--max)) / 2));
}
.game-reading p { font-family: Georgia, "Times New Roman", serif; font-size: 24px; margin: 0; }
.game-reading a {
  border-bottom: 1px solid rgba(255, 255, 255, 0.6);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding-bottom: 8px;
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .game-hero { grid-template-columns: 1fr; }
  .game-hero-code { max-width: 500px; }
  .game-introduction { grid-template-columns: 1fr; }
  .prime-game-grid,
  .game-level > .game-actions,
  .game-level > .game-feedback,
  .factor-challenge,
  .game-form,
  .key-builder,
  .key-results,
  .cipher-output { margin-left: 0; }
}

@media (max-width: 620px) {
  .prime-sequence > div { grid-template-columns: repeat(4, 1fr); }
  .game-hero { min-height: auto; }
  .game-hero-code strong { min-height: 145px; }
  .game-progress { align-items: flex-start; flex-direction: column; }
  .game-level-heading { display: block; }
  .game-level-heading > span { display: block; font-size: 44px; margin-bottom: 25px; }
  .game-level.is-complete::after { top: 28px; }
  .prime-game-grid { grid-template-columns: repeat(5, 1fr); }
  .prime-game-grid button { font-size: 17px; }
  .factor-challenge strong { font-size: 54px; }
  .key-builder,
  .attack-form { grid-template-columns: 1fr; }
  .multiplication-sign { padding: 0; }
  .key-results { grid-template-columns: 1fr; }
  .key-results > div + div { border-left: 1px solid var(--line); border-top: 0; }
  .game-reading { align-items: flex-start; flex-direction: column; }
}