body.astronomy-page {
  min-height: 100vh;
  min-height: 100dvh;
  color: #eee5d0;
  background-color: #080d1a;
  background-image:
    linear-gradient(rgba(6, 10, 22, 0.17), rgba(6, 10, 22, 0.17)),
    url("assets/padrao-astronomia.svg");
  background-repeat: repeat;
  background-size: auto, 800px 600px;
  background-attachment: scroll;
}

.astronomy-page .topbar {
  color: #473a2c;
  background: rgba(239, 229, 205, 0.97);
  border-bottom: 1px solid rgba(104, 84, 57, 0.35);
  box-shadow: 0 5px 18px rgba(4, 7, 16, 0.26);
}

.astronomy-page .brand,
.astronomy-page .nav-links a {
  color: #493c30;
}

.astronomy-page .brand-mark {
  background: linear-gradient(135deg, #495c83, #ad8a57);
}

.astronomy-page .nav-links a:hover,
.astronomy-page .nav-links a:focus-visible {
  color: #775c8c;
}

.astronomy-page .section-heading,
.astronomy-page .subject-intro,
.astronomy-page .lesson-card,
.astronomy-page .challenge-panel {
  position: relative;
  isolation: isolate;
  color: #473b30;
  background: rgba(242, 233, 212, 0.97);
  border: 1px solid rgba(177, 154, 115, 0.66);
  border-radius: 5px 10px 4px 9px;
  box-shadow: 0 12px 30px rgba(1, 4, 13, 0.34);
}

.astronomy-page .subject-intro::before,
.astronomy-page .lesson-card::before,
.astronomy-page .challenge-panel::before {
  position: absolute;
  z-index: -1;
  inset: -5px 6px 5px -5px;
  content: "";
  background: rgba(214, 198, 164, 0.98);
  clip-path: polygon(1% 5%, 12% 3%, 22% 5%, 33% 2%, 46% 4%, 59% 2%, 73% 5%, 86% 2%, 99% 5%, 97% 18%, 100% 32%, 97% 48%, 99% 62%, 96% 78%, 99% 96%, 85% 98%, 71% 96%, 57% 99%, 43% 96%, 29% 99%, 15% 96%, 3% 99%, 4% 81%, 2% 65%, 5% 49%, 2% 33%, 5% 17%);
  filter: drop-shadow(0 3px 2px rgba(6, 7, 13, 0.28));
}

.astronomy-page .section-heading {
  min-height: clamp(250px, 36vw, 350px);
  padding: 2rem clamp(1.25rem, 4vw, 2.5rem);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background-color: #11152a;
  background-image:
    linear-gradient(180deg, rgba(6, 9, 20, 0.04) 12%, rgba(9, 11, 23, 0.1) 52%, rgba(8, 10, 20, 0.72) 100%),
    url("assets/capa-astronomia.svg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  border: 1px solid rgba(232, 218, 188, 0.58);
  border-top: 3px solid #bea56f;
}

.astronomy-page .section-heading::before {
  display: none;
}

.astronomy-page .section-heading .eyebrow {
  color: #f0dfb7;
  text-shadow: 0 2px 5px rgba(1, 2, 9, 0.8);
}

.astronomy-page .section-heading h2 {
  color: #171520;
  font-family: "Segoe Script", "Brush Script MT", cursive;
  font-size: clamp(2.7rem, 7vw, 5rem);
  font-weight: 900;
  letter-spacing: -0.07em;
  line-height: 1;
  -webkit-text-stroke: 1.5px #f5ecdb;
  text-shadow: 2px 3px 0 rgba(255, 255, 255, 0.78), 3px 5px 0 rgba(15, 13, 24, 0.65);
}

.astronomy-page .subject-intro h3,
.astronomy-page .lesson-card h3,
.astronomy-page .challenge-panel h3,
.astronomy-page .activity-summary-label {
  color: #44392f;
}

.astronomy-page .eyebrow {
  color: #735e83;
}

.astronomy-page .subject-intro p,
.astronomy-page .lesson-card p,
.astronomy-page .activity-instructions,
.astronomy-page .activity-status {
  color: #574a3b;
}

.astronomy-page .lesson-link {
  color: #fff8e9;
  background: linear-gradient(135deg, #495779, #766187);
  border: 1px solid rgba(65, 60, 91, 0.4);
}

.astronomy-page .lesson-link:hover,
.astronomy-page .lesson-link:focus-visible {
  color: #fffdf8;
  background: #394561;
}

.astronomy-page .back-link {
  color: #e1d3b6;
}

.astronomy-page .back-link:hover,
.astronomy-page .back-link:focus-visible {
  color: #f2d891;
}

.astronomy-page .activity-summary {
  color: #493d30;
}

.astronomy-page .activity-summary:hover {
  background: rgba(105, 88, 124, 0.09);
}

.astronomy-page .summary-action {
  color: #fff8e9;
  background: #59617e;
}

.astronomy-page .answer-btn {
  color: #493d30;
  background: rgba(255, 251, 239, 0.93);
  border-color: rgba(112, 93, 66, 0.4);
}

.astronomy-page .answer-btn:not(:disabled):hover,
.astronomy-page .answer-btn:focus-visible {
  background: #e7ddc8;
  border-color: #746486;
}

.astronomy-page .answer-btn.correct {
  color: #294333;
  background: #dce6d2;
}

.astronomy-page .answer-btn.wrong {
  color: #713e38;
  background: #efd9ce;
}

.astronomy-page .primary-btn {
  color: #fff8e9;
  background: #59617e;
  border-color: #59617e;
}

.astronomy-page .primary-btn:hover {
  background: #414b69;
}

:root[data-theme="dark"] body.astronomy-page {
  color: #eee5d0;
  background-color: #080d1a;
  background-image:
    linear-gradient(rgba(6, 10, 22, 0.17), rgba(6, 10, 22, 0.17)),
    url("assets/padrao-astronomia.svg");
}

:root[data-theme="dark"] body.astronomy-page .topbar {
  background: rgba(239, 229, 205, 0.97);
}

:root[data-theme="dark"] body.astronomy-page .nav-links,
:root[data-theme="dark"] body.astronomy-page .subject-intro,
:root[data-theme="dark"] body.astronomy-page .lesson-card,
:root[data-theme="dark"] body.astronomy-page .challenge-panel,
:root[data-theme="dark"] body.astronomy-page .answer-btn {
  color: #473b30;
  background-color: rgba(242, 233, 212, 0.97);
  border-color: rgba(177, 154, 115, 0.66);
}

:root[data-theme="dark"] body.astronomy-page .section-heading {
  background-image:
    linear-gradient(180deg, rgba(6, 9, 20, 0.04) 12%, rgba(9, 11, 23, 0.1) 52%, rgba(8, 10, 20, 0.72) 100%),
    url("assets/capa-astronomia.svg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

:root[data-theme="dark"] body.astronomy-page .section-heading h2 {
  color: #171520;
}

:root[data-theme="dark"] body.astronomy-page .subject-intro h3,
:root[data-theme="dark"] body.astronomy-page .lesson-card h3,
:root[data-theme="dark"] body.astronomy-page .challenge-panel h3,
:root[data-theme="dark"] body.astronomy-page .activity-summary-label,
:root[data-theme="dark"] body.astronomy-page .subject-intro p,
:root[data-theme="dark"] body.astronomy-page .lesson-card p,
:root[data-theme="dark"] body.astronomy-page .activity-instructions,
:root[data-theme="dark"] body.astronomy-page .activity-status {
  color: #493d30;
}

:root[data-theme="dark"] body.astronomy-page .answer-btn.correct {
  color: #294333;
  background: #dce6d2;
}

:root[data-theme="dark"] body.astronomy-page .answer-btn.wrong {
  color: #713e38;
  background: #efd9ce;
}

:root[data-theme="dark"] body.astronomy-page .lesson-link {
  color: #fff8e9;
  background: linear-gradient(135deg, #495779, #766187);
}

@media (max-width: 700px) {
  body.astronomy-page {
    background-attachment: scroll;
    background-size: auto, 560px 420px;
  }
}