/* Canvas softener */

.edge-fade-l {
  position: absolute;
  left: 0;
  top: 0;
  width: 100px; /* adjust to taste */
  height: 100%;
  background: linear-gradient(to right, var(--clr-arden-shade) 0%, transparent 100%);
  pointer-events: none; /* so it doesn’t block interactions */
  z-index: 10;
}

.edge-fade-r {
  position: absolute;
  right: 0;
  top: 0;
  width: 100px; /* adjust to taste */
  height: 100%;
  background: linear-gradient(to left, var(--clr-arden-shade) 0%, transparent 100%);
  pointer-events: none; /* so it doesn’t block interactions */
  z-index: 10;
}


.brain-model {
    /*--button-padding: .5em .75em;*/
    --button-padding: .635em .75em;
    --button-radius: 2em;
}

.brain-model__header {
    background: var(--clr-arden-shade);
    padding: var(--site-margin);
}

@media (width >= 1000px) {
    .brain-model {
        padding-bottom: calc(var(--s1) * 6);
    }
    .brain-model__header {
        border-radius: var(--border-radius-card);
        margin-bottom: calc(var(--s1) * 4);
    }
}

.brain-model__heading {
    font-size: var(--s6);
    color: var(--clr-arden-navy);
    font-weight: 600;
    margin: 0;
}

.brain-model__description {
    font-size: var(--s1);
    max-width: unset;
}

.brain-model__heading + .brain-model__description {
    margin-top: calc(var(--s1) * 1);
    color: var(--clr-body-copy);
    line-height: var(--body-copy-line-height);
    font-size: var(--body-copy-size);
}

.brain-model__description + .dropdown-container {
    margin-top: calc(var(--s1) * 2);
}

/* Pale Box */

.pale-box {
  background: var(--clr-arden-shade);
}

.brain-model .boxout {
  background: var(--clr-arden-shade);
  border-radius: var(--border-radius-card);
  padding: calc(var(--s1) * 3) calc(var(--s1) * 3);
  margin: var(--s6) auto;
}

/* Dropdown menus */

.brain-model .dropdown-container {
    display: flex;
    justify-content: flex-start;
    gap: 3em;
    position: relative;
    z-index: 20;
}

.brain-model .dropdown {
    position: relative;
    min-width: 18em;
}

.brain-model .dropdown-title {
    padding: 10px 20px;
    color: var(--clr-arden-navy);
    background: var(--clr01);
    border: var(--button-border);
    cursor: pointer;
    border-radius: 2rem;
    user-select: none;
}

.brain-model .dropdown-title.open {
    background: var(--clr-arden-navy);
    color: var(--clr01);
    border: var(--button-border);
}

/*.brain-model .dropdown-title.open::after {
    transform: rotate(90deg) translateY(10%) translateX(-35%);
}*/

.brain-model .dropdown-list {
    display: none;
    position: absolute;
    top: 100%;
    transform: translateY(10px);
    left: 0;
    background: var(--clr01);
    border: var(--button-border);
    border-radius: var(--button-radius);
    z-index: 3;
    box-shadow: 0 0 10px rgba(0,0,0,0.25);
    overflow: hidden;
    width: 100%;
}

.brain-model .dropdown-list .dropdown-item {
    padding: 10px 20px;
    cursor: pointer;
}

.brain-model .dropdown-list .dropdown-item:hover {
    background: #f0f0f0;
}

/* Related Conditions Links Bar */


.brain-model .related-bar {
    background: var(--clr-arden-navy);
    color: white;
    padding: calc(var(--s1) * 3) 0;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 2em;
    font-size: var(--s5);
}

.brain-model .related-buttons {
    display: flex;
    gap: var(--s1);
    font-size: var(--s2);
    flex-flow: row wrap;
    justify-content: center;

}

.brain-model .related-buttons button {
    cursor: pointer;
    border-radius: var(--button-radius);
    padding: var(--button-padding);
    background: transparent;
    color: var(--clr01);
    border: 2px solid var(--clr01);
    font-size: var(--s2);
    line-height: 1.2;
}

.brain-model .related-buttons button.current {
    background: white;
    color: var(--clr-arden-navy);
}

/* Related Condition Content */

.brain-model .related-condition-info.related-condition-content {
    padding: 20px;
    background: white;
    color: var(--clr-arden-navy);
    max-width: 800px;
    margin: calc(var(--s1) * 4) auto;
}

@media (width <= 1000px) {
    .brain-model .related-condition-info.related-condition-content {
        margin: calc(var(--s1) * 1) auto;
    }
}

.brain-model .related-condition-content h2 {
    font-size: var(--s6);
}

.brain-model .related-condition-content p.large {
    font-size: var(--s4);
    max-width: 26em;
    margin: 0 auto 2em;
    text-wrap: balance;
    line-height: 1.3;
}

.brain-model .related-condition-content p {
    font-size: var(--s1);
    line-height: 1.5;
}

/* Related Condition Tabs */

.brain-model .hidden.hidden {
    display: none;
}

.brain-model .related-condition-info,
.brain-model .additional-tab-content-info {
    color: var(--clr-arden-navy);
}

/* Related Condition: Info */

.brain-model .related-condition-info h3 {
    color: inherit;
    text-align: center;
    margin: calc(var(--s1) * 4) auto calc(var(--s1) * 2) auto;
    font-size: var(--s7);
    font-weight: 600;
    max-width: 22em;
}

@media (width <= 1000px) {
    .brain-model .related-condition-info h3 {
        margin-top: calc(var(--s1) * 2);
    }
}

.brain-model .related-condition-info h3 + a {
  margin-top: calc(var(--s1) * 2);
}

.brain-model .related-condition-info .highlight,
.brain-model .more-info-panel .highlight {
    color: var(--clr-arden-teal);
}

.brain-model .related-condition-info p,
.brain-model .related-condition-info li {
    color: inherit;
    font-size: var(--body-copy-size);
    line-height: var(--body-copy-line-height);
}


/* Additional Condition Content: Tabs */

.brain-model .tabs {
    text-align: center;
    margin-bottom: calc(var(--s1) * 2);
}

.brain-model .tab-heading {
    padding: var(--button-padding);
    margin: 0 5px 1em 5px;
    cursor: pointer;
    background: var(--clr01);
    border: var(--button-border);
    color: var(--clr-arden-navy);
    border-radius: var(--button-radius);
    font-size: var(--s2);
    line-height: 1.2;
}


.brain-model .tab-heading:hover,
.brain-model .tab-heading.active {
    background: var(--clr-arden-navy);
    color: white;
}

.brain-model .tab-content {
    display: none;
}

.brain-model .tab-content.visible {
    display: block;
    text-align: center;
}

/* Additional Condition Content: Brain Regions */

.brain-model .related-condition-info .brain-area-list {
    list-style: none;
}

.brain-model .related-condition-info .brain-area-list li {
    display: flex;
    flex-direction: row;
    gap: 4%;
    position: relative;
}

.brain-model .related-condition-info .brain-area-list li.ra:after {
    top: 4em;
    right: var(--s6);
    transform: rotate(0deg) translateY(-45%) translateX(0%);
    cursor: pointer;
    z-index: 999;
}

@media (width <= 1000px) {
    .brain-model .related-condition-info .brain-area-list li.ra:after {
        top: 3em;
    }
}

.brain-model .related-condition-info .brain-area-list li.ra.open:after {
    right: var(--s6);
    transform: rotate(90deg) translateY(0%) translateX(-30%);
}

.brain-model .related-condition-info .brain-area-list li div {
  flex: 0 1 66%;
}

.brain-model .related-condition-info .brain-area-list li figure {
    flex: 1 0 200px;
    height: auto;
    max-height: 36ex;
}

.brain-model .related-condition-info .brain-area-list li figure img {
    height: 100%;
    width: 100%;
    margin: auto;
    scale: 130%;
    object-fit: contain;
}

.brain-model .related-condition-info .brain-area-list li h3 {
  font-size: var(--s4);
}

.brain-model .related-condition-info .brain-area-list li h3,
.brain-model .related-condition-info .brain-area-list li p {
    margin: auto 0;
    text-align: left;
    max-width: unset;
}

.brain-model .related-condition-info .brain-area-list li .region-header {
  cursor: pointer;
}

.brain-model .related-condition-info .brain-area-list li .region-header + p {
  margin-top: 1ex;
  font-size: var(--body-copy-size);
}

.brain-model .toggle-arrow {
  background: none;
  border: none;
  font-size: var(--s5);
  transform: rotate(0deg);
  transition: transform 0.3s ease;
  cursor: pointer;
  position: absolute;
  top: var(--s6);
  right: var(--s6);
  color: var(--clr-arden-teal);
}

.brain-model .toggle-arrow.open {
  transform: rotate(90deg);
}

/* Additional Condition Content: Treamtents */

.brain-model .treatments > h4 {
    text-align: left;
}
.brain-model .treatments > p {
    margin-bottom: 1.5rem;
    text-align: left;
}

/* Additional Condition Content: Support */

.brain-model .additional-tab-content-info,
.brain-model .related-condition-info {
    padding-left: var(--site-margin);
    padding-right: var(--site-margin);
}

.brain-model .additional-tab-content-info .website-resource,
.brain-model .additional-tab-content-info .review-article {
    display: flex;
    justify-content: space-between;
    gap: 3em;
}

.brain-model .additional-tab-content-info .website-resource > * {
    flex: 1 0 30%;
}

.brain-model .additional-tab-content-info .website-resource > img {
    width: 200px;
    flex: 0 0 200px;
    object-fit: contain;
}

.brain-model .additional-tab-content-info .website-resource p,
.brain-model .additional-tab-content-info .review-article p {
    margin: auto 0;
    font-size: var(--body-copy-size);
}

.brain-model .additional-tab-content-info .website-resource a,
.brain-model .additional-tab-content-info .review-article a {
    cursor: pointer;
    border-radius: var(--button-radius);
    padding: var(--button-padding);
    background: var(--clr01);
    color: var(--clr-arden-navy);
    border: var(--button-border);
    text-decoration: none;
    margin: auto 0;
    display: block;
    flex: 0 0 7em;
    text-align: center;
}

.brain-model .additional-tab-content-info .website-resource a:hover,
.brain-model .additional-tab-content-info .review-article a:hover {
    background: var(--clr-arden-navy);
    color: var(--clr01);
}

/* Buttons */

.brain-model .button {
    padding: var(--button-padding);
    margin: 0 auto;
    cursor: pointer;
    background: var(--clr01);
    border: var(--button-border);
    color: var(--clr-arden-navy);
    border-radius: var(--button-radius);
    /*font-size: var(--s2);*/
    text-decoration: none;
    display: inline-block;
}

.brain-model .button:after {
    display: none;
}

.brain-model .button:hover {
    background: var(--clr-arden-navy);
    color: var(--clr01);
}

/* More Info Panel / CTA */

.brain-model .additional-tab-content-info.more-info-panel {
    background-position: 100% 90%;
    background-repeat: no-repeat;
    background-size: contain;
}

.brain-model .additional-tab-content-info.more-info-panel .more-info-panel-text {
    max-width: 40%;
}

.brain-model .additional-tab-content-info.more-info-panel .more-info-panel-text h3 {
    width: 12em;
}

.brain-model .additional-tab-content-info.more-info-panel a {
    cursor: pointer;
    border-radius: var(--button-radius);
    padding: var(--button-padding);
    background: var(--clr01);
    color: var(--clr-arden-navy);
    border: var(--button-border);
    text-decoration: none;
    margin: 2em 0;
    display: inline-block;
    text-align: center;
}

.brain-model .additional-tab-content-info.more-info-panel a:hover {
    background: var(--clr-arden-navy);
    color: var(--clr01);
}

/* */

canvas { display: block; }

#ui {
  position: absolute;
  top: 10px; left: 10px;
  background: rgba(255, 255, 255, 0.9);
  padding: 10px;
  border-radius: 8px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}
.mesh-button {
  display: block;
  margin: 5px 0;
  padding: 5px;
  cursor: pointer;
  background: #eee;
  border: 1px solid #ccc;
  border-radius: 4px;
}
.mesh-button:hover {
  background: #ddd;
}
#overlay {
  position: absolute;
  bottom: 10px;
  left: 10px;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  padding: 10px;
  border-radius: 8px;
  max-width: 300px;
}

.brain-area-investigator-wrapper {
  background: var(--clr-arden-shade);
}

.brain-area-investigator {
  display: flex;
  /*gap: 2rem;*/
  padding: 0 var(--s8);
  position: relative;
}

.brain-container {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  height: 40vh;
  max-height: 40vh;
  min-height: 600px;
  cursor: pointer;
}

#brain-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.brain-region-info-panel {
  background: var(--clr01);
  border-radius: var(--border-radius-card);
  padding: var(--s6);
  box-shadow: 16px 16px 50px rgba(0,0,0,0.2);
  position: absolute;
  right: var(--site-margin);
  width: 35%;
  height: 80%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 15;
}

.brain-region-info-panel > .tag {
    font-size: var(--s0);
    background: var(--clr-arden-teal-tint);
    padding: 5px 8px;
    border-radius: 7px;
    display: inline-block;
    margin: 0 0 2ex 0;
}

.brain-region-info-panel .brain-investigator-text {
  color: var(--clr00);
  font-size: var(--s1);
  margin-top: var(--s5);
  padding-bottom: var(--s5);
  padding-right: 2em;
  max-width: 24em;
  height: calc(80% - var(--s5));
  overflow-y: auto;
  position: relative;
  will-change: transform;
  p {
    line-height: var(--body-copy-line-height);
    font-size: var(--body-copy-size);
  }
}

/*.brain-investigator-text::-webkit-scrollbar {
  width: 1rem;
  cursor: pointer;
}

.brain-investigator-text {
  scrollbar-width: thin;
  scrollbar-color: var(--clr-arden-teal) transparent;
}

.brain-investigator-text::-webkit-scrollbar-track {
  background: transparent;
}

.brain-investigator-text::-webkit-scrollbar-thumb {
  background-color: var(--clr-arden-teal) ;
  border-radius: 6px;
  border: 3px solid transparent;
}
*/
.brain-region-info-panel .heading {
  color: var(--clr-arden-navy);
  font-size: var(--s6);
  font-weight: 400;
  margin-top: 1ex;
  margin: 0;
}

.condition-treatments-list > div > * {
  text-align: left;
}

.related-condition-info {
  display: none;
}

/* Mobile */

@media (width <= 1000px) {

    .edge-fade-l,
    .edge-fade-r {
      width: 2rem; /* adjust to taste */
    }

    .brain-model .dropdown-container {
        gap: 3ex;
    }

    .brain-model .related-bar {
        flex-direction: column;
    }

  .brain-area-investigator {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: var(--s8);
  }
  .brain-model .dropdown-container {
    flex-direction: column;
  }
  .brain-container {
    flex: 1 0 100%;
    min-height: 300px;
    max-height: 440px;
    width: 100vw;
    margin-left: calc(var(--s8) * -1);
    margin-right: calc(var(--s8) * -1);
  }
  .brain-region-info-panel {
    margin: 0;
    position: relative;
    width: 100%;
    transform: unset;
    right: 0;
  }

  .brain-region-info-panel .brain-investigator-text {
      max-width: unset;
    }

  .brain-model .related-condition-info .brain-area-list li {
    flex-direction: column;
    gap: 4ex;
  }

  .brain-model .related-condition-info .brain-area-list li figure {
    max-height: 22ex;
  }

  .brain-model .additional-tab-content-info .website-resource,
  .brain-model .additional-tab-content-info .review-article {
    flex-direction: column;
    gap: 1ex;
  }

  .brain-model .additional-tab-content-info .website-resource > img {
    width: 100%;
    height: auto;
    flex: unset;
  }

  .brain-model .additional-tab-content-info .website-resource > a,
  .brain-model .additional-tab-content-info .review-article > a {
    flex: unset;
    margin: 1em auto 0;
  }

}