/* BASE STYLES - Stealing the knowledge from project 3 lol */
:root {
  /* https://www.w3schools.com/css/css3_gradients.asp */
  /* https://cssgradient.io/ */
  --primary-color: #ffdc5e;
  --secondary-color: #f8333c;
  --accent-color1: #363537;
  --accent-color2: #cfbf88;
  --background: #191717;
  --text-color: white;
  --card-background: #ffffff;
  --border-color: #ddd;

  /* Cluster 1: Lines 1-3 (close) */
  --orbit-radius-1: 100px;
  --orbit-radius-2: 115px;
  --orbit-radius-3: 130px;

  /* Cluster 2: Lines 4-5 (close) */
  --orbit-radius-4: 160px;
  --orbit-radius-5: 180px;

  /* Cluster 3: Line 6 (Titan, solitary but near previous cluster) */
  --orbit-radius-6: 200px;

  /* Cluster 4: Line 7 (Hyperion) */
  --orbit-radius-7: 260px;

  /* Cluster 5: Line 8 (Iapetus) */
  --orbit-radius-8: 300px;
}

 * {
    box-sizing: border-box;
  }


body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("Assets/Saturn\ No\ Background.png") no-repeat center top;
  background-size: cover;
  opacity: 0.3;
  z-index: -1;
}

body {
  width: 100%;
  margin: 0;
  font-family: "Tomorrow", sans-serif;
  font-weight: 400;
  font-style: normal;

  background-position: center 80%, center top;
  background-repeat: no-repeat, no-repeat;
  background-size: auto, cover;
  color: var(--text-color);
  background: radial-gradient(
    circle at top center,
    rgba(207, 191, 136, 0.2) 0%,
    rgba(0, 0, 0, 1) 40%,
    rgba(25, 23, 23, 1) 100%
  );
  background-color: var(--background);

  padding: 1rem;
  min-height: 100vh;
  overflow-x: hidden;
}

body h1 {
  font-family: "nasalization", sans-serif;
  font-weight: 600;
  font-size: 100px;
  font-style: normal;
  color: var(--primary-color);
  margin: 0;
}

body h2 {
  font-family: "nasalization", sans-serif;
  font-weight: 600;
  font-style: normal;
  color: var(--text-color);
  margin: 0;
}

header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  text-align: center;
}

.header-text h1 {
  font-size: clamp(40px, 8vw, 100px);
  color: var(--primary-color);
  line-height: 1.1;
}

.header-text h2 {
  font-size: clamp(14px, 3vw, 24px);
  font-weight: 600;
  color: var(--text-color);
  opacity: 0.9;
}

/* NAVIGATION */
.view-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  position: relative;
}

.view-buttons {
  display: flex;
  gap: 1rem;
}

.view-button {
  font-family: "Orbitron", sans-serif;
  font-size: 16px;
  background-color: var(--accent-color1);
  color: white;
  width: 120px;
  height: 50px;
  padding: 0.5rem;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.view-button.active {
  background: var(--primary-color);
  color: var(--background);
  box-shadow: 0 0 15px rgba(255, 220, 94, 0.4);
}

.view-button:hover:not(.active) {
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
}

/* MAIN DISPLAY */
.display-container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

.saturn-view {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.hovermoon-header,
.database-header {
  margin-bottom: 2rem;
  text-align: center;
}

/* LAYOUT CONTAINER */
.main-saturn-container {
  display: flex;
  align-items: center;
  align-content: center;
  justify-content: center;
  flex-wrap: wrap; 
  gap: 2rem;
  width: 100%;
}

/* SATURN SYSTEM (The Orbit Box) */
.saturn-system-static {
  width: 650px;
  height: 650px;
  position: relative;
  flex-shrink: 0;
}

/* PLANET & RINGS */
.saturn-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
}

.planet {
  width: 100px;
  height: 100px;
  background: linear-gradient(
    -50deg,
    var(--accent-color2) 0%,
    var(--accent-color1) 55%
  );
  border-radius: 50%;
  box-shadow: inset -10px -10px 20px rgba(0, 0, 0, 0.8),
    0 0 40px rgba(255, 220, 94, 0.15);
  z-index: 15;
}

.rings {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 11;
}

.ring {
  position: absolute;
  border-radius: 50%;
  border: 6px solid rgba(220, 200, 150, 0.35); 
  box-sizing: border-box;
  left: 50%;
  top: 50%;
}

/* Ring Geometry */
.ring-1 {
  width: 140px;
  height: 140px;
  transform: translate(-50%, -50%) scaleY(0.97);
}
.ring-2 {
  width: 160px;
  height: 160px;
  border-width: 10px;
  opacity: 0.18;
  transform: translate(-50%, -50%) scaleY(0.9);
}
.ring-3 {
  width: 170px;
  height: 190px;
  border-width: 6px;
  opacity: 1;
  transform: translate(-50%, -50%) scaleY(0.9);
}

/* Orbits */
.orbit-lines {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  pointer-events: none;
}

.orbit-line {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.35);
  transform: translate(-50%, -50%);
}

.line-1 {
  width: calc(var(--orbit-radius-1) * 2);
  height: calc(var(--orbit-radius-1) * 2);
}
.line-2 {
  width: calc(var(--orbit-radius-2) * 2);
  height: calc(var(--orbit-radius-2) * 2);
}
.line-3 {
  width: calc(var(--orbit-radius-3) * 2);
  height: calc(var(--orbit-radius-3) * 2);
}
.line-4 {
  width: calc(var(--orbit-radius-4) * 2);
  height: calc(var(--orbit-radius-4) * 2);
}
.line-5 {
  width: calc(var(--orbit-radius-5) * 2);
  height: calc(var(--orbit-radius-5) * 2);
}
.line-6 {
  width: calc(var(--orbit-radius-6) * 2);
  height: calc(var(--orbit-radius-6) * 2);
}
.line-7 {
  width: calc(var(--orbit-radius-7) * 2);
  height: calc(var(--orbit-radius-7) * 2);
}
.line-8 {
  width: calc(var(--orbit-radius-8) * 2);
  height: calc(var(--orbit-radius-8) * 2);
}

/* Moons */
.moon-wrapper {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  transform: rotate(var(--angle));
  z-index: 50;
}

.moon-pos {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  transform: translateX(var(--radius));
}

.moon {
  width: clamp(12px, 2.2vw, 25px);
  height: clamp(12px, 2.2vw, 25px);
  background: var(--primary-color);
  border-radius: 50%;
  position: absolute;
  left: 0;
  top: 50%;
  /* Rotation only here. Centering elsewhere */
  transform: rotate(calc(var(--angle) * -1));
  z-index: 51;
  cursor: pointer;
  box-shadow: 0 0 5px rgba(255, 220, 94, 0.5);
}

.moon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 44px;
  height: 44px;
  transform: translate(-50%, -50%);
  background: transparent;
  z-index: 52;
}

/* Active State */
.moon.active-moon {
  background-color: var(--secondary-color) !important;
  box-shadow: 0 0 15px var(--secondary-color), 0 0 30px var(--secondary-color);
  z-index: 60;
}

.pulse {
  position: absolute;
  left: 0;
  top: 50%;
  width: clamp(15px, 3vw, 30px);
  height: clamp(15px, 3vw, 30px);
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  /* To center GSAP to moon position */
  transform: translate(-50%, -50%);
  opacity: 0.7;
  pointer-events: none;
  z-index: 5;
}

/* Close button for Pop-Up */
.close-panel-btn {
  display: none;
  position: absolute;
  top: 15px;
  right: 15px;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--secondary-color);
  border-radius: 5px;
  color: var(--secondary-color);
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  line-height: 1;
  padding-bottom: 4px;
  font-family: "Tomorrow", sans-serif;
  cursor: pointer;
  z-index: 100;
}

/* Info Panel */
.moon-info-panel {
  width: 100%;
  max-width: 450px;
  min-height: 300px;
  background-color: rgba(25, 23, 23, 0.9);
  border: 1px solid var(--background);
  border-top: 2px solid var(--primary-color);
  border-radius: 1rem;
  padding: 1.5rem;
  color: var(--text-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  margin-top: 1rem;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.moon-info-panel img {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  margin-bottom: 1rem;
  object-fit: cover;
  background: #000;
  border: 2px solid var(--primary-color);
  transition: all 0.3s ease;
}

.moon-info-panel h3 {
  font-family: "orbitron";
  color: var(--primary-color);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.moon-content {
  text-align: left;
  width: 100%;
}

.moon-content p {
  margin: 0.5rem 0;
  line-height: 1.5;
  font-size: 0.95rem;
  color: #ddd;
}

.moon-content strong {
  color: var(--primary-color);
}

.loading {
  font-size: 1.5rem;
  color: var(--primary-color);
  animation: blink 1.5s infinite;
}

@keyframes blink {
  50% {
    opacity: 0.5;
  }
}


/* 
VIEW 2: Search/Moon Database
*/
.stats-container {
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: 2rem;
  height: 70vh;
  width: 100%;
  margin-top: 2rem;
}

/* Sidebar */
.stats-sidebar {
  background: rgba(30, 30, 30, 0.6);
  border: 1px solid var(--accent-color1);
  border-radius: 1rem;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

/* Scrollable List */
#moon-list {
  list-style: none;
  padding: 0;
  margin: 0;
  overflow-y: auto;
  flex: 1;
  scrollbar-width: thin;
  scrollbar-color: var(--primary-color) transparent;
}

#moon-list::-webkit-scrollbar {
  width: 6px;
}
#moon-list::-webkit-scrollbar-thumb {
  background-color: var(--primary-color);
  border-radius: 4px;
}

.moon-list-item {
  padding: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  cursor: pointer;
  transition: background 0.2s, padding-left 0.2s;
  font-size: 1.1rem;
}

.moon-list-item:hover,
.moon-list-item.active {
  background: rgba(255, 220, 94, 0.1);
  color: var(--primary-color);
  padding-left: 1.5rem;
  border-left: 4px solid var(--primary-color);
}

/* Main Stats Detail */
.stats-details {
  background: rgba(25, 23, 23, 0.8);
  border: 1px solid var(--accent-color1);
  border-radius: 1rem;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  overflow-y: auto;
  position: relative;
}

/* Layout */
.stats-header-group {
  display: flex;
  gap: 2rem;
  width: 100%;
  margin-bottom: 2rem;
  align-items: center;
}

.stats-image-container {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--primary-color);
  box-shadow: 0 0 20px rgba(255, 220, 94, 0.2);
  flex-shrink: 0;
}

.stats-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.stats-title-group h2 {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stats-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  width: 100%;
  margin-bottom: 2rem;
  background: rgba(0, 0, 0, 0.3);
  padding: 1.5rem;
  border-radius: 0.5rem;
}

.stat-box h4 {
  color: var(--secondary-color);
  margin: 0 0 0.5rem 0;
  font-family: "Orbitron", sans-serif;
  font-size: 0.9rem;
  letter-spacing: 1px;
}

.stat-box p {
  margin: 0;
  font-size: 1.1rem;
}

.stats-description {
  line-height: 1.8;
  font-size: 1.1rem;
  max-width: 800px;
}

.stats-placeholder-msg {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #666;
  flex-direction: column;
  gap: 1rem;
}

.loading {
  font-size: 1.5rem;
  color: var(--primary-color);
  animation: blink 1.5s infinite;
}

/* Search Bar on Filter Row
   This allows the search bar to be next to the menu button for filtering. It styles the search bar
*/
.filters-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 10px;
}

/* Search bar  */
#moon-search {
  flex: 1;
  padding: 10px 14px;
  font-size: 1rem;
  border: 2px solid #deb846;
  background: #111;
  border-radius: 10px;
  color: #fff;
  outline: none;
  font-family: "Tomorrow", sans-serif;
}

/* Filter Button (Menu Icon for Choices) */
.filter-toggle {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #111;
  border: 2px solid #deb846;
  border-radius: 10px;
  cursor: pointer;
  color: #deb846;
  font-size: 1.4rem;
  font-weight: bold;
  transition: background 0.2s;
}

.filter-toggle:hover {
  background: #222;
}

/* When filters open */
.filter-toggle[aria-expanded="true"] {
  background: #deb846;
  color: #111;
}

.filter-toggle::before {
  content: "≡";
  font-size: 1.6rem;
  line-height: 0;
}

/* Dropdown Panel */
.filters-panel {
  background: #111;
  border: 2px solid #deb846;
  border-radius: 12px;
  margin: 8px 10px 0 10px;
  padding: 8px 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  z-index: 999;
}

.filters-panel[hidden] {
  display: none !important;
}

/* Sort (Dropdown Items) */
.sort-btn {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 12px 16px;
  font-size: 1rem;
  color: #eee;
  cursor: pointer;
  transition: background 0.15s;
}

.sort-btn:hover {
  background: rgba(222, 184, 70, 0.25);
}

.sort-btn.active {
  background: rgba(222, 184, 70, 0.35);
  font-weight: bold;
  color: #deb846;
}

.active-filter-display {
  margin: 8px 12px;
  padding: 6px 12px;
  display: inline-flex;
  gap: 10px;
  align-items: center;
  background: rgba(222, 184, 70, 0.18);
  border: 1px solid #deb846;
  border-radius: 8px;
  font-size: 0.9rem;
  color: #deb846;
}

.active-filter-display .clear-filter {
  cursor: pointer;
  font-weight: bold;
  padding: 0 4px;
}



/* RESPONSIVE */
@media (min-width: 989px) {
  body {
    padding: 2rem 4rem;
  }

  .main-saturn-container {
    justify-content: space-evenly;
    align-items: center;
  }

  .saturn-system-static {
    margin-top: 0;
  }

  .moon-info-panel {
    margin-top: 0;
  }

  .moon-info-panel img {
    width: 240px;
    height: 240px;
  }
}

/* Mobile + Tablet < 900px */
@media (max-width: 980px) {

  .main-saturn-container {
    flex-direction: column !important;
    align-items: center !important;
  }

  .saturn-system-static {
    width: 100%;
    height: 400px;
    transform: scale(0.65);
    margin: 0 auto;
  }

  .header-text h1 {
    margin-bottom: 0.5rem;
  }


  .moon-info-panel {
    display: none !important;
    position: fixed !important;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 90%;
    max-width: 400px;
    z-index: 2000;
    display: none; 
    border: 1px solid var(--background);
    border-top: 2px solid var(--primary-color);
  }

  .moon-info-panel.active {
    display: flex !important;
    opacity: 1;
    pointer-events: all;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
    animation: fadeIn 0.3s ease;
  }

  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translate(-50%, -50%) scale(0.9);
    }
    to {
      opacity: 1;
      transform: translate(-50%, -50%) scale(1);
    }
  }

  .close-panel-btn {
    display: flex;
  }

  .stats-container {
    display: flex !important;
    flex-direction: column !important;
    width: 100%;
    height: auto;
    gap: 1.5rem;
  }

  /* Sidebar expands to full width */
  .stats-sidebar {
    width: 100% !important;
    max-height: 40vh;
    overflow-y: auto;
  }

  /* Search slightly bigger for fingers */
  #moon-search {
    padding: 1.2rem;
    font-size: 1.1rem;
  }

  /* List items larger for fingers */
  .moon-list-item {
    padding: 1.2rem;
    font-size: 1.25rem;
  }

  /* panel goes below list, full width */
  .stats-details {
    width: 100% !important;
    height: auto;
    padding: 1.5rem;
  }

  /* image shrinks */
  .stats-header-group {
    flex-direction: column;
    text-align: center;
    gap: 1.2rem;
  }

  .stats-image-container {
    width: 160px;
    height: 160px;
  }

  .stats-title-group h2 {
    font-size: 2.2rem;
  }

  .stats-meta {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .stat-box p {
    font-size: 1rem;
  }

  .stats-description {
    font-size: 1.05rem;
    line-height: 1.6;
  }
}

/* SMALL PHONES */
@media (max-width: 500px) {
  .saturn-system-static {
    transform: scale(0.45);
    margin: -100px 0;
  }

  .moon::after {
    width: 100px;
    height: 100px;
  }

  .stats-sidebar {
    max-height: 35vh;
  }

  .stats-header-group {
    gap: 1rem;
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
  }

  .stats-image-container {
    width: 130px;
    height: 130px;
  }

  .stats-title-group h2 {
    font-size: 1.8rem;
  }

  .moon-list-item {
    font-size: 1.1rem;
    padding: 1rem;
  }
}



/* Biggest problems I had with css: breaking javascript, media query issues, tablet vs phone */