/* Módulo 2 — Dalton e estados físicos (Química · Setor C) */
@import url("../modulo-1/modulo.css");

.cooling-curve-wrap {
  margin: 1.5rem 0;
  overflow-x: auto;
  padding: 0.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.cooling-curve-wrap svg {
  display: block;
  min-width: 480px;
  max-width: 720px;
  margin: 0 auto;
}

.atom-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: center;
  gap: 1rem 1.25rem;
  margin: 1.25rem 0;
}

.atom-sphere {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
}

.atom-sphere__ball {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 2px solid rgba(0, 0, 0, 0.12);
  box-shadow: inset -4px -4px 8px rgba(0, 0, 0, 0.12);
}

.atom-sphere__ball--o {
  background: radial-gradient(circle at 30% 30%, #ff8a80, #c62828);
}

.atom-sphere__ball--h {
  background: radial-gradient(circle at 30% 30%, #fff, #e0e0e0);
}

.atom-sphere__ball--n {
  background: radial-gradient(circle at 30% 30%, #64b5f6, #1565c0);
}

.atom-sphere__ball--c {
  background: radial-gradient(circle at 30% 30%, #757575, #212121);
}

.timeline-hist {
  margin: 1.25rem 0;
  padding: 1rem 1rem 1rem 1.25rem;
  border-left: 4px solid var(--chem-teal);
  background: var(--chem-teal-soft);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.timeline-hist h3 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  color: var(--chem-teal-dark);
}

.timeline-hist ul {
  margin: 0;
  padding-left: 1.1rem;
}

.timeline-hist li {
  margin-bottom: 0.65rem;
}

.vessel-demo {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  justify-content: center;
  align-items: flex-end;
  margin: 1.25rem 0;
}

.vessel-demo__item {
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted);
}

.vessel-demo__box {
  margin: 0 auto 0.35rem;
  border: 2px solid #90caf9;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(
    to top,
    rgba(255, 193, 7, 0.45),
    rgba(255, 249, 230, 0.9)
  );
  position: relative;
}

.vessel-demo__box--carton {
  width: 48px;
  height: 120px;
}

.vessel-demo__box--bottle {
  width: 36px;
  height: 150px;
  border-radius: 6px 6px 0 0;
}

.vessel-demo__box--jug {
  width: 100px;
  height: 72px;
  border-radius: 10px 10px 0 0;
}

.state-compare-vertical {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
  max-width: 420px;
}

.state-compare-vertical__row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.state-compare-vertical__row strong {
  min-width: 4rem;
  color: var(--chem-teal-dark);
}

.state-arrows-note {
  margin: 0.75rem 0 0;
  padding: 0.75rem;
  font-size: 0.88rem;
  background: var(--bg);
  border-radius: var(--radius);
  border-left: 3px solid #ff9800;
}

.syringe-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  align-items: flex-start;
  margin: 1.25rem 0;
}

.syringe-row figcaption {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
  max-width: 220px;
}

.callout--snowflake {
  border-left-color: #0288d1 !important;
  background: rgba(2, 136, 209, 0.08) !important;
}

.callout--snowflake .callout__title {
  color: #0277bd !important;
}

.lesson-exercicios {
  margin: 1.5rem 0;
  padding: 1.15rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.lesson-exercicios h3 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  color: var(--chem-teal-dark);
}

.lesson-exercicios ol {
  margin: 0;
  padding-left: 1.25rem;
}

.lesson-exercicios li {
  margin-bottom: 0.75rem;
}

.particle-grid-mini {
  display: grid;
  grid-template-columns: repeat(5, 10px);
  gap: 3px;
  padding: 8px;
  width: fit-content;
  margin: 0.5rem auto;
}

.particle-grid-mini span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ff9800;
}

.particle-grid-mini--liquid {
  grid-template-columns: repeat(6, 10px);
  max-width: 120px;
}

.particle-grid-mini--liquid span {
  opacity: 0.92;
}

.particle-grid-mini--gas {
  grid-template-columns: repeat(4, 10px);
  gap: 8px;
}

.particle-grid-mini--gas span {
  opacity: 0.9;
}

.lesson-summary--quimica2 {
  margin-top: 2.5rem;
  padding: 1.25rem 1.35rem;
  border-radius: var(--radius);
  background: var(--chem-teal-soft);
  border: 1px solid rgba(0, 150, 136, 0.35);
}

.lesson-summary--quimica2 h2 {
  margin-top: 0 !important;
  border-bottom-color: rgba(0, 150, 136, 0.4) !important;
}

@keyframes qm-part-vibrate {
  0%,
  100% {
    transform: translate(0, 0);
  }
  33% {
    transform: translate(0.4px, -0.4px);
  }
  66% {
    transform: translate(-0.4px, 0.4px);
  }
}

.particle-solid .dot {
  display: inline-block;
  animation: qm-part-vibrate 0.35s ease-in-out infinite;
}