:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --border-color: #30363d;
  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --accent-blue: #58a6ff;
  --accent-green: #3fb950;
  --hover-bg: #30363d;
  --shadow: 0 16px 32px rgba(1, 4, 9, 0.5);
}

body {
  margin: 0;
  padding: 0;
  display: flex;
  min-height: 100vh;
  background-color: var(--bg-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
  color: var(--text-primary);
  box-sizing: border-box;
}

.container {
  display: flex;
  width: 100%;
  height: 100vh;
  align-items: stretch;
}

.left-panel {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 20px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  min-height: 0;
  overflow: hidden;
}

#p5-container {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  flex-shrink: 0;
}

#p5-container canvas {
  display: block;
  border-radius: 12px;
}

.bottom-panel {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.controls {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-secondary);
  padding: 20px;
  color: var(--text-primary);
  height: 100vh;
  box-sizing: border-box;
  min-height: 0;
}

.instructions {
  background-color: var(--bg-tertiary);
  padding: 16px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent-green);
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  max-height: none;
}

.instructions::-webkit-scrollbar {
  width: 8px;
}

.instructions::-webkit-scrollbar-track {
  background: var(--bg-primary);
  border-radius: 4px;
}

.instructions::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

.instructions::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

.instructions strong {
  color: var(--accent-green);
  display: block;
  margin-top: 12px;
  margin-bottom: 6px;
  font-weight: 600;
}

.instructions strong:first-child {
  margin-top: 0;
}

.credits {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  text-align: center;
  font-size: 0.8rem;
}

.credits strong {
  color: var(--text-secondary) !important;
  font-weight: 500 !important;
  margin: 0 !important;
}

.credits a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

.credits a:hover {
  color: var(--accent-green);
  text-decoration: underline;
}

#mathInput {
  width: 100%;
  height: 100px;
  font-family: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;
  font-size: 14px;
  padding: 10px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  resize: vertical;
  display: none;
}

#codeEditor {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.CodeMirror {
  flex: 1;
  padding-top: 10px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 14px;
  min-height: 0;
  height: auto;
  background-color: var(--bg-tertiary);
}

.CodeMirror-focused .CodeMirror-selected {
  background: rgba(88, 166, 255, 0.1);
}

/* Fullscreen CodeMirror styles */
.CodeMirror-fullscreen {
  position: fixed !important;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  background: var(--bg-primary);
  border: none;
  border-radius: 0;
}

/* Autocomplete styling */
.CodeMirror-hints {
  background: var(--bg-tertiary) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 6px !important;
  box-shadow: 0 8px 24px rgba(1, 4, 9, 0.6) !important;
}

.CodeMirror-hint {
  color: var(--text-primary) !important;
  padding: 6px 12px !important;
  font-family: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace !important;
  font-size: 13px !important;
}

.CodeMirror-hint-active {
  background: var(--accent-blue) !important;
  color: white !important;
}

/* Search dialog styling */
.CodeMirror-dialog {
  background: var(--bg-tertiary) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 6px !important;
  color: var(--text-primary) !important;
}

.CodeMirror-dialog input {
  background: var(--bg-primary) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 4px !important;
  color: var(--text-primary) !important;
  padding: 4px 8px !important;
}

/* Reset input styling */

select.button {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background: linear-gradient(135deg, var(--accent-green), #2ea043);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 12px 20px;
  font-size: 0.95rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  line-height: 1.2;
  box-shadow: 0 4px 12px rgba(63, 185, 80, 0.3);
  height: auto;
}
select.button option {
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
  font-size: 14px;
}
.button {
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--accent-green), #2ea043);
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(63, 185, 80, 0.3);
  margin-top: 15px;
  flex-shrink: 0;
  font-family: inherit;
  height: auto;
  line-height: 1.2;
}

.button:hover {
  background: linear-gradient(135deg, #2ea043, #238636);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(63, 185, 80, 0.4);
}

.button:active {
  transform: translateY(0);
}

.info {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  background-color: var(--bg-tertiary);
  padding: 16px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent-green);
}

.info strong {
  color: var(--accent-green);
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

.resolution-control {
  background-color: var(--bg-tertiary);
  padding: 16px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent-blue);
  display: flex;
  align-items: center;
  font-size: 0.875rem;
  gap: 20px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.input-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.resolution-control label {
  color: var(--text-primary);
  margin: 0;
  font-weight: 500;
  white-space: nowrap;
  font-size: 0.875rem;
}

#resolutionInput,
#gridSizeInput,
#gridColorInput {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 0.875rem;
  transition: border-color 0.2s ease;
}

#resolutionInput:focus,
#gridSizeInput:focus,
#gridColorInput:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.1);
}

#gridColorInput {
  cursor: pointer;
  padding: 2px;
  width: 40px;
  height: 32px;
}

/* Responsive design */
@media (max-width: 1024px) {
  .container {
    flex-direction: column;
    height: auto;
  }

  .left-panel {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .controls {
    height: auto;
    min-height: 60vh;
  }

  .resolution-control {
    justify-content: center;
  }
}