/* --- Custom Variables & Palette Setup --- */
:root {
  /* Colors */
  --clr-primary-red: hsl(0, 100%, 67%);
  --clr-primary-yellow: hsl(39, 100%, 56%);
  --clr-primary-teal: hsl(166, 100%, 37%);
  --clr-primary-blue: hsl(234, 85%, 45%);

  --clr-neutral-white: hsl(0, 0%, 100%);
  --clr-neutral-pale-blue: hsl(221, 100%, 96%);
  --clr-neutral-lavender: hsl(241, 100%, 89%);
  --clr-neutral-dark-blue: hsl(224, 30%, 27%);

  /* Gradients */
  --grad-panel-bg: linear-gradient(to bottom, hsl(252, 100%, 67%), hsl(241, 81%, 54%));
  --grad-circle-bg: linear-gradient(to bottom, hsla(256, 72%, 46%, 1), hsla(241, 72%, 46%, 0));

  /* Typography */
  --ff-sans: 'Hanken Grotesk', sans-serif;
  --fs-body: 1.125rem;
  --fw-medium: 500;
  --fw-bold: 700;
  --fw-extra-bold: 800;
}

/* --- Document Setup and Reset --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--ff-sans);
  font-size: var(--fs-body);
  background-color: var(--clr-neutral-white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --- Layout Centering Module --- */
.results-container {
  flex-grow: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

/* --- BEM Structural Layout Component (.results-card) --- */
.results-card {
  display: flex;
  flex-direction: column;
  width: 100%;
  background-color: var(--clr-neutral-white);
}

.results-card__score-panel {
  background: var(--grad-panel-bg);
  color: var(--clr-neutral-white);
  padding: 2.5rem 2.5rem 3rem 2.5rem;
  border-bottom-left-radius: 2rem;
  border-bottom-right-radius: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
}

.results-card__summary-panel {
  padding: 1.5rem 2rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.results-card__title {
  font-size: 1.15rem;
  font-weight: var(--fw-bold);
  color: var(--clr-neutral-lavender);
}

.results-card__title--dark {
  color: var(--clr-neutral-dark-blue);
}

.results-card__circle {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: var(--grad-circle-bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.results-card__big-num {
  font-size: 3.5rem;
  font-weight: var(--fw-extra-bold);
  line-height: 1.1;
}

.results-card__total-num {
  font-size: 0.9rem;
  color: var(--clr-neutral-lavender);
  opacity: 0.7;
}

.results-card__feedback {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.results-card__grade {
  font-size: 1.5rem;
  font-weight: var(--fw-bold);
}

.results-card__description {
  font-size: 0.95rem;
  color: var(--clr-neutral-lavender);
  line-height: 1.4;
}

.results-card__items-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Interactive States Rules */
.results-card__button {
  background-color: var(--clr-neutral-dark-blue);
  color: var(--clr-neutral-white);
  border: none;
  padding: 1rem;
  font-size: 1rem;
  font-weight: var(--fw-bold);
  border-radius: 2rem;
  cursor: pointer;
  transition: background 0.2s ease-in-out;
  outline: none;
}

.results-card__button:hover,
.results-card__button:focus-visible {
  background: var(--grad-panel-bg);
}

/* --- Shared Presentation Rows (.summary-row) --- */
.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  border-radius: 0.75rem;
  font-size: 1rem;
}

.summary-row__label-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: var(--fw-bold);
}

.summary-row__score-display {
  color: hsl(224, 30%, 65%);
  font-weight: var(--fw-bold);
}

.summary-row__earned-score {
  color: var(--clr-neutral-dark-blue);
}

/* Specialized Modifier Rows utilizing opacity backgrounds */
.summary-row--reaction {
  background-color: hsla(0, 100%, 67%, 0.06);
  color: var(--clr-primary-red);
}
.summary-row--memory {
  background-color: hsla(39, 100%, 56%, 0.06);
  color: var(--clr-primary-yellow);
}
.summary-row--verbal {
  background-color: hsla(166, 100%, 37%, 0.06);
  color: var(--clr-primary-teal);
}
.summary-row--visual {
  background-color: hsla(234, 85%, 45%, 0.06);
  color: var(--clr-primary-blue);
}

/* Attribution footer alignment */
.attribution {
  font-size: 0.6875rem;
  text-align: center;
  padding: 1rem 0;
}
.attribution a { color: var(--clr-primary-blue); }

/* --- Responsive Layout Configurations (Desktop) --- */
@media (min-width: 650px) {
  body {
    background-color: var(--clr-neutral-pale-blue);
  }

  .results-card {
    flex-direction: row;
    max-width: 736px;
    border-radius: 2rem;
    box-shadow: 0 30px 60px rgba(61, 108, 236, 0.1);
    overflow: hidden;
  }

  .results-card__score-panel {
    flex: 1;
    border-radius: 2rem;
    padding: 2.5rem 3.5rem 3.5rem 3.5rem;
    gap: 2rem;
  }

  .results-card__circle {
    width: 200px;
    height: 200px;
  }

  .results-card__big-num {
    font-size: 4.5rem;
  }

  .results-card__grade {
    font-size: 2rem;
  }

  .results-card__summary-panel {
    flex: 1;
    padding: 2.5rem 2.5rem 2.5rem 2.5rem;
    gap: 1.75rem;
  }
}