/* Spontaneity and Rate: ΔG and Activation Energy (CHE7403)
   Layout only - every colour comes from the model-shell palette at runtime. */

.fsp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 0.9rem;
  align-items: start;
}

.fsp-layout > * {
  min-width: 0;
}

/* Elements with their own display value would otherwise ignore the hidden attribute. */
.fsp-layout [hidden] {
  display: none !important;
}

/* The key idea heads the results card. */
.fsp-eqhead {
  margin: 0 0 0.4rem;
  text-align: center;
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  font-weight: 700;
  line-height: 1.35;
}

.fsp-stage {
  display: block;
  width: 100%;
  height: 400px;
}

/* The verdict is the most important thing on the page, so it is the largest text. */
.fsp-verdict {
  margin: 0.5rem 0 0.4rem;
  padding: 0.5rem 0.8rem;
  border: 3px solid;
  border-radius: 10px;
}

.fsp-verdict-main {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.2;
}

.fsp-verdict-sub {
  display: block;
  font-size: 1.05rem;
  margin-top: 0.15rem;
}

.fsp-legend-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.25rem 0;
  font-size: 1.02rem;
}

.fsp-swatch {
  flex: 0 0 auto;
  width: 1.1rem;
  height: 1.1rem;
  border: 2px solid;
  border-radius: 3px;
}

.fsp-swatch--e {
  border-style: dashed;
}

.fsp-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.8rem;
}

.fsp-tab {
  flex: 1 1 8rem;
  font: inherit;
  font-weight: 800;
  font-size: 0.92rem;
  padding: 0.45rem 0.5rem;
  border: 2px solid;
  border-radius: 999px;
  cursor: pointer;
}

.fsp-process {
  margin: 0 0 0.6rem;
  font-size: 1.1rem;
  font-weight: 800;
}

.fsp-slider {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr) 7.6rem;
  align-items: center;
  gap: 0.5rem;
}

.fsp-slider label {
  font-weight: 800;
}

.fsp-slider input {
  width: 100%;
}

.fsp-val {
  font-weight: 800;
  text-align: right;
  white-space: nowrap;
}

.fsp-guide {
  margin: 0.7rem 0;
  line-height: 1.5;
}

.fsp-go {
  display: block;
  width: 100%;
  margin-top: 0.8rem;
  padding: 0.55rem 0.8rem;
  font: inherit;
  font-weight: 800;
  border: 2px solid;
  border-radius: 999px;
  cursor: pointer;
}

.fsp-sub {
  margin: 0 0 0.3rem;
  font-weight: 700;
}

.fsp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 0.8rem;
}

.fsp-chip {
  font: inherit;
  font-size: 0.9rem;
  padding: 0.3rem 0.65rem;
  border: 2px solid;
  border-radius: 999px;
  cursor: pointer;
}

.fsp-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.fsp-progress {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
}

.fsp-dot {
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  border: 2px solid;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0;
  cursor: pointer;
}

.fsp-dot[aria-current="true"] {
  outline: 3px solid currentColor;
  outline-offset: 2px;
}

.fsp-score {
  font-weight: 800;
  font-size: 0.9rem;
}

.fsp-task {
  margin: 0.6rem 0 0.2rem;
  font-size: 1.1rem;
  font-weight: 800;
}

.fsp-intro {
  margin: 0 0 0.6rem;
  line-height: 1.5;
}

.fsp-step {
  margin-bottom: 0.4rem;
  padding: 0.35rem 0.5rem;
  border: 2px solid;
  border-radius: 8px;
}

.fsp-step-q {
  margin: 0 0 0.35rem;
  font-weight: 700;
}

.fsp-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.fsp-strong {
  font-weight: 800;
}

.fsp-feedback {
  margin: 0.6rem 0 0;
  min-height: 2.6em;
}

@media (max-width: 820px) {
  .fsp-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .fsp-stage {
    height: 440px;
  }
  .fsp-verdict-main {
    font-size: 1.35rem;
  }
}

.fsp-note {
  margin: 0.2rem 0 0.4rem;
  font-size: 0.92rem;
  line-height: 1.45;
}

/* Three energy-profile sketches to choose between. */
.fsp-profiles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.35rem;
}

.fsp-profiles button,
.fsp-needs button {
  font: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.3rem 0.35rem;
  border: 2px solid;
  border-radius: 8px;
  cursor: pointer;
  text-align: center;
}

.fsp-profiles svg {
  display: block;
  width: 100%;
  height: 3.2rem;
  margin-bottom: 0.15rem;
}

.fsp-needs {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.3rem;
}

.fsp-needs button {
  text-align: left;
  padding: 0.4rem 0.6rem;
}

@media (max-width: 480px) {
  .fsp-slider {
    grid-template-columns: auto minmax(0, 1fr);
    grid-template-areas: "label value" "input input";
  }
  .fsp-slider label {
    grid-area: label;
  }
  .fsp-slider input {
    grid-area: input;
  }
  .fsp-val {
    grid-area: value;
  }
  .fsp-profiles button {
    font-size: 0.78rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .fsp-tab,
  .fsp-chip {
    transition: none;
  }
}