/* ======================================= */
/* SOLAR SYSTEM EXPLORER - MODERN UNIFIED  */
/* ======================================= */

/* ===== COLOR DEFINITIONS ===== */
/* Dark mode is default, light mode overrides via :root.light-mode */

.solar-system-card {
  /* Dark mode colors */
  --solar-bg-card: var(--secondary-bg);
  --solar-bg-panel: var(--secondary-bg);

  --solar-bg-row: var(--overlay-dark);
  --solar-bg-row-hover: var(--overlay-medium);
  --solar-bg-description: var(--overlay-dark);

  --solar-bg-planets-wrap: var(--overlay-light);
  --solar-bg-planet-btn: var(--overlay-medium);
  --solar-bg-planet-btn-hover: var(--overlay-dark);

  /* Keep “space” look for the canvas area */
  --solar-bg-canvas: radial-gradient(
    circle at center,
    rgba(15, 20, 40, 0.85) 0%,
    rgba(5, 5, 15, 0.98) 100%
  );

  --solar-border: var(--border-color);
  --solar-border-dark: var(--border-dark);

  --solar-text: var(--text-primary);
  --solar-text-secondary: var(--text-secondary);

  /* Accents */
  --solar-accent: var(--link-color);
  --solar-accent-2: #3b82f6;

  /* Slider colors (used by your JS patch) */
  --solar-slider-fill: var(--solar-accent);
  --solar-slider-track: var(--solar-border-dark);

  /* Shadows */
  --solar-card-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  --solar-card-shadow-inset: 0 0 0 1px rgba(255, 255, 255, 0.05) inset;
  --solar-hover-glow: rgba(88, 166, 255, 0.2);

  /* Radii */
  --solar-radius-card: 20px;
  --solar-radius-panel: 12px;
  --solar-radius-row: 10px;

  --solar-border: rgba(255, 255, 255, 0.12);
  --solar-border-dark: rgba(255, 255, 255, 0.14);
}

/* Light mode color overrides */
:root.light-mode .solar-system-card {
  --solar-bg-card: #ffffff;
  --solar-bg-panel: #f9fafb;

  --solar-bg-row: #ffffff;
  --solar-bg-row-hover: #f3f4f6;
  --solar-bg-description: #ffffff;

  --solar-bg-planets-wrap: #f9fafb;
  --solar-bg-planet-btn: #ffffff;
  --solar-bg-planet-btn-hover: #f3f4f6;

  --solar-border: #d0d7de;
  --solar-border-dark: #d0d7de;

  --solar-text: #24292f;
  --solar-text-secondary: #57606a;

  --solar-accent: #0969da;
  --solar-accent-2: #2563eb;

  --solar-bg-canvas: radial-gradient(
    circle at center,
    rgba(15, 20, 40, 0.9) 0%,
    rgba(5, 5, 15, 0.98) 100%
  );

  --solar-slider-fill: var(--solar-accent);
  --solar-slider-track: #cbd5e1;

  --solar-card-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  --solar-card-shadow-inset: 0 0 0 1px rgba(0, 0, 0, 0.03) inset;
  --solar-hover-glow: rgba(9, 105, 218, 0.18);
}

/* ===== MAIN CARD ===== */
.solar-system-card {
  max-width: 100%;
  margin: 0 auto;
  padding: 35px;
  background: var(--solar-bg-card);
  border: 1px solid var(--solar-border);
  border-radius: var(--solar-radius-card);
  box-shadow: var(--solar-card-shadow), var(--solar-card-shadow-inset);
  color: var(--solar-text);
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}

/* Gradient top border */
.solar-system-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--solar-accent),
    var(--solar-accent-2),
    var(--solar-accent)
  );
  background-size: 200% 100%;
  animation: solarGradientShift 3s ease infinite;
}

@keyframes solarGradientShift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.solar-system-card-controls,
.solar-system-card-info,
.solar-system-card-planets-compact {
  border: 1px solid var(--solar-border-dark);
}

.solar-system-card-info-row,
.solar-system-card-description {
  border: 1px solid var(--solar-border-dark);
}

/* ===== HEADER ===== */
.solar-system-card h1 {
  color: var(--solar-text);
  font-size: 2rem;
  margin-bottom: 8px;
  text-align: center;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.solar-system-card-subtitle {
  text-align: center;
  color: var(--solar-text-secondary);
  font-size: 0.9rem;
  margin-bottom: 25px;
  font-weight: 400;
}

/* ===== LAYOUT ===== */
.solar-system-card-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: start;
}

.solar-system-card-column {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ===== Canvas Section ===== */
.solar-system-card-canvas-section {
  background: var(--solar-bg-canvas);
  border: 2px solid var(--solar-border-dark);
  border-radius: var(--solar-radius-panel);
  overflow: hidden;
  height: 500px;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  position: relative;
  aspect-ratio: 1;
  max-height: 500px;
}

.solar-system-card-canvas-section:hover {
  border-color: var(--solar-accent);
  box-shadow: 0 0 20px var(--solar-hover-glow);
}

#solarSystem {
  width: 100%;
  height: 100%;
  cursor: pointer;
  display: block;
}

/* ===== Planets Compact Buttons ===== */
.solar-system-card-planets-compact {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  padding: 12px;
  background: var(--solar-bg-planets-wrap);
  border-radius: var(--solar-radius-panel);
  border: 1px solid var(--solar-border-dark);
}

.solar-system-card-planet-btn {
  width: 48px;
  height: 48px;
  background: var(--solar-bg-planet-btn);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 2px solid transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.solar-system-card-planet-btn:hover {
  background: var(--solar-bg-planet-btn-hover);
  border-color: var(--solar-accent);
  transform: translateY(-2px);
}

.solar-system-card-planet-btn:active {
  transform: translateY(0);
}

.solar-system-card-planet-btn.active {
  background: linear-gradient(
    135deg,
    var(--solar-accent) 0%,
    var(--solar-accent-2) 100%
  );
  border-color: var(--solar-accent);
  box-shadow: 0 4px 15px var(--solar-hover-glow);
  color: white;
}

/* ===== Controls ===== */
.solar-system-card-controls {
  background: var(--solar-bg-panel);
  padding: 20px;
  border-radius: var(--solar-radius-panel);
  border: 1px solid var(--solar-border-dark);
}

.solar-system-card-slider-wrap {
  margin-bottom: 25px;
}

.solar-system-card-slider-wrap:last-of-type {
  margin-bottom: 20px;
}

.solar-system-card-slider-wrap label {
  display: block;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--solar-text);
  font-size: 0.95rem;
}

.solar-system-card-slider-wrap span {
  color: var(--solar-accent);
  font-weight: 700;
  font-size: 1.05rem;
}

/* Slider (JS will set exact % fill) */
.solar-system-card input[type="range"] {
  width: 100%;
  height: 8px;
  border-radius: 10px;
  background: linear-gradient(
    to right,
    var(--solar-slider-fill) 50%,
    var(--solar-slider-track) 50%
  );
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  transition: all 0.3s ease;
}

.solar-system-card input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    var(--solar-accent),
    var(--solar-accent-2)
  );
  cursor: pointer;
  border: 3px solid var(--solar-bg-card);
  box-shadow: 0 2px 10px var(--solar-hover-glow);
  transition: all 0.2s ease;
}

.solar-system-card input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.solar-system-card input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    var(--solar-accent),
    var(--solar-accent-2)
  );
  cursor: pointer;
  border: 3px solid var(--solar-bg-card);
  box-shadow: 0 2px 10px var(--solar-hover-glow);
  transition: all 0.2s ease;
}

.solar-system-card input[type="range"]::-moz-range-thumb:hover {
  transform: scale(1.2);
}

/* ===== Actions ===== */
.solar-system-card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.solar-system-card-btn {
  padding: 14px 20px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: relative;
  overflow: hidden;
}

.solar-system-card-btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.solar-system-card-btn:hover::before {
  width: 400px;
  height: 400px;
}

.solar-system-card-btn-icon {
  font-size: 1.1rem;
}

.solar-system-card-btn-primary {
  background: linear-gradient(135deg, #238636 0%, #2ea043 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(35, 134, 54, 0.4);
}

.solar-system-card-btn-primary:hover {
  transform: translateY(-2px);
}

.solar-system-card-btn-primary:active {
  transform: translateY(0);
}

.solar-system-card-btn-secondary {
  background: linear-gradient(
    135deg,
    var(--solar-accent) 0%,
    var(--solar-accent-2) 100%
  );
  color: white;
  box-shadow: 0 4px 15px var(--solar-hover-glow);
}

.solar-system-card-btn-secondary:hover {
  transform: translateY(-2px);
}

/* ===== Info Card ===== */
.solar-system-card-info {
  background: var(--solar-bg-panel);
  padding: 20px;
  border-radius: var(--solar-radius-panel);
  border: 1px solid var(--solar-border-dark);
}

.solar-system-card-info h2 {
  font-size: 1.6rem;
  color: var(--solar-accent);
  margin-bottom: 20px;
  font-weight: 700;
}

.solar-system-card-info-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 15px;
}

.solar-system-card-info-row {
  background: var(--solar-bg-row);
  padding: 12px 16px;
  border-radius: var(--solar-radius-row);
  border: 1px solid var(--solar-border-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.2s ease;
}

.solar-system-card-info-row:hover {
  background: var(--solar-bg-row-hover);
  border-color: var(--solar-accent);
}

.solar-system-card-info-row strong {
  font-size: 0.9rem;
  color: var(--solar-text-secondary);
  font-weight: 600;
}

.solar-system-card-info-row span {
  font-size: 1rem;
  color: var(--solar-accent-2);
  font-weight: 700;
  text-align: right;
}

.solar-system-card-description {
  background: var(--solar-bg-description);
  padding: 15px;
  border-radius: var(--solar-radius-row);
  border: 1px solid var(--solar-border-dark);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--solar-text-secondary);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .solar-system-card {
    padding: 20px 12px;
    border-radius: 16px;
    margin: 0 auto !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow: hidden !important;
  }

  .solar-system-card * {
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .solar-system-card h1 {
    font-size: 1.5rem;
    margin-bottom: 6px;
  }

  .solar-system-card-subtitle {
    font-size: 0.85rem;
    margin-bottom: 20px;
  }

  .solar-system-card-layout {
    grid-template-columns: 1fr;
    gap: 16px;
    width: 100%;
    overflow: hidden;
  }

  .solar-system-card-canvas-section {
    height: 350px;
  }

  .solar-system-card-controls {
    padding: 16px;
  }

  .solar-system-card-slider-wrap {
    margin-bottom: 16px;
  }

  .solar-system-card-slider-wrap label {
    font-size: 0.9rem;
    margin-bottom: 10px;
  }

  .solar-system-card-actions {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .solar-system-card-btn {
    padding: 12px 16px;
    font-size: 0.9rem;
  }

  .solar-system-card-info {
    padding: 16px;
  }

  .solar-system-card-info h2 {
    font-size: 1.4rem;
  }

  .solar-system-card-info-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 10px 14px;
  }

  .solar-system-card-info-row span {
    text-align: left;
    font-size: 0.95rem;
  }

  .solar-system-card-planets-compact {
    gap: 6px;
    padding: 10px;
  }

  .solar-system-card-planet-btn {
    width: 40px;
    height: 40px;
    font-size: 1.3rem;
  }
}

@media (max-width: 375px) {
  .solar-system-card {
    padding: 16px 10px;
  }

  .solar-system-card h1 {
    font-size: 1.3rem;
  }

  .solar-system-card-subtitle {
    font-size: 0.8rem;
  }

  .solar-system-card-canvas-section {
    height: 300px;
  }

  .solar-system-card-info h2 {
    font-size: 1.2rem;
  }

  .solar-system-card-btn {
    padding: 11px 14px;
    font-size: 0.88rem;
  }
}