/* ========== CIRCULAR DIAGRAM STYLES ========== */

.circular-diagram {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.diagram-intro {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 1rem;
  max-width: 100%;
}

/* ========== DESKTOP/TABLET LAYOUT - CIRCULAR RING (above 768px) ========== */

.diagram-ring-container {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.diagram-ring-svg {
  width: 100%;
  height: 100%;
  max-width: 600px;
}

/* SVG polygon and text styling for the pentagon */

.diagram-ring-svg line {
  stroke: #D4A574;
  stroke-width: 4;
  stroke-linecap: round;
  filter: drop-shadow(0 0 4px rgba(212, 165, 116, 0.5));
}

.diagram-ring-svg circle {
  fill: #D4A574;
  transition: all 0.3s ease;
  cursor: pointer;
}

.diagram-ring-svg circle:hover {
  fill: #E8C48A;
  filter: drop-shadow(0 4px 12px rgba(212, 165, 116, 0.5));
}

.diagram-ring-svg text {
  pointer-events: none;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* Hide the mobile list version on desktop/tablet */

.diagram-nodes-mobile {
  display: none;
}

/* ========== MOBILE LAYOUT - VERTICAL STACK (768px and below) ========== */

@media (max-width: 768px) {
  .diagram-ring-container {
    position: static;
    aspect-ratio: auto;
    max-width: 100%;
    display: block;
    width: 100%;
    padding: 0 1.5rem 2rem 1.5rem;
  }
}

@media (max-width: 768px) {
  .diagram-ring-svg {
    display: none;
  }
}

@media (max-width: 768px) {
  .diagram-nodes-mobile {
    position: static;
    display: flex;
    flex-direction: column;
    gap: 0;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .diagram-node {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem 0;
    border-left: 3px solid var(--color-accent);
    padding-left: 2rem;
    margin-left: -1.5rem;
    transform: none !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
  }
}

@media (max-width: 768px) {
  .node-circle {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    font-size: 1.2rem;
  }
}

@media (max-width: 768px) {
  .node-label {
    font-size: 1rem;
    max-width: none;
    text-align: left;
  }
}

@media (max-width: 768px) {
  .diagram-node:not(:last-child)::after {
    content: '';
    position: absolute;
    left: -3px;
    top: 100%;
    width: 3px;
    height: 1.5rem;
    background-color: var(--color-accent);
  }
}

/* Loop back indicator at the bottom */

@media (max-width: 768px) {
  .diagram-nodes::after {
    content: '↻';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    margin-left: -1.5rem;
    padding-left: 2rem;
    font-size: 1.5rem;
    color: var(--color-accent);
    border-left: 3px solid var(--color-accent);
    border-radius: 50%;
    padding: 0;
    margin-top: 1rem;
  }
}

@media (max-width: 576px) {
  .diagram-intro {
    font-size: 1rem;
  }
}

@media (max-width: 576px) {
  .diagram-node {
    gap: 1rem;
    padding: 1.25rem 0;
  }
}

@media (max-width: 576px) {
  .node-circle {
    width: 45px;
    height: 45px;
    font-size: 1rem;
  }
}

@media (max-width: 576px) {
  .node-label {
    font-size: 0.9rem;
  }
}