/**
 * Max Yoon Design System - CSS Custom Properties
 * Version 1.1.0
 *
 * Import this file to use design tokens across your projects:
 * @import './design-system/tokens.css';
 *
 * Theme switching:
 * - Uses system preference by default (prefers-color-scheme)
 * - Override with [data-theme="light"] or [data-theme="dark"] on :root
 */

/* ===== THEME COLORS ===== */

/* Dark theme (default) */

:root {
  --color-bg: #0d1117;
  --color-bg-panel: #161b22;
  --color-border: #30363d;
  --color-text: #e6edf3;
  --color-text-muted: #8b949e;
  --color-accent: #c9714a;
  color-scheme: dark;
}

/* Light theme - explicit override */

:root[data-theme="light"] {
  --color-bg: #ffffff;
  --color-bg-panel: #f6f8fa;
  --color-border: #d0d7de;
  --color-text: #1f2328;
  --color-text-muted: #656d76;
  --color-accent: #b35c3a;
  color-scheme: light;
}

/* Dark theme - explicit override */

:root[data-theme="dark"] {
  --color-bg: #0d1117;
  --color-bg-panel: #161b22;
  --color-border: #30363d;
  --color-text: #e6edf3;
  --color-text-muted: #8b949e;
  --color-accent: #c9714a;
  color-scheme: dark;
}

/* System preference: light mode (when no data-theme attribute) */

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg: #ffffff;
    --color-bg-panel: #f6f8fa;
    --color-border: #d0d7de;
    --color-text: #1f2328;
    --color-text-muted: #656d76;
    --color-accent: #b35c3a;
    color-scheme: light;
  }
}

/* ===== SEMANTIC COLORS ===== */

:root {
  --color-haskell: #5e5086;
  --color-typescript: #3178c6;
}

/* ===== TYPOGRAPHY ===== */

:root {
  /* Font Families */
  --font-mono: "SF Mono", "Fira Code", "JetBrains Mono", Consolas, monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  /* Font Sizes */
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.75rem;   /* 28px */
  --font-size-3xl: 2.5rem;    /* 40px */

  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-semibold: 600;

  /* Line Heights */
  --line-height-normal: 1.6;

  /* Letter Spacing */
  --letter-spacing-tight: -0.02em;
  --letter-spacing-normal: 0.02em;
  --letter-spacing-wide: 0.05em;
}

/* ===== SPACING ===== */

:root {
  --spacing-xs: 0.125rem;   /* 2px */
  --spacing-sm: 0.25rem;    /* 4px */
  --spacing-md: 0.5rem;     /* 8px */
  --spacing-lg: 0.75rem;    /* 12px */
  --spacing-xl: 1rem;       /* 16px */
  --spacing-2xl: 1.25rem;   /* 20px */
  --spacing-3xl: 1.5rem;    /* 24px */
  --spacing-4xl: 2rem;      /* 32px */
  --spacing-5xl: 4rem;      /* 64px */
}

/* ===== BORDERS ===== */

:root {
  --border-width-thin: 1px;
  --border-radius-none: 0;
}

/* ===== LAYOUT ===== */

:root {
  --max-width-container: 1200px;
  --max-width-card: 340px;
  --breakpoint-mobile: 640px;
}

/* ===== MOTION ===== */

:root {
  --transition-fast: 150ms ease;
  --transition-theme: 200ms ease;
  --card-lift: -2px;
}

/* ===== UTILITY CLASSES ===== */

/* Apply base styles */

.font-mono {
  font-family: var(--font-mono);
}

.font-sans {
  font-family: var(--font-sans);
}

/* Text colors */

.text-primary {
  color: var(--color-text);
}

.text-muted {
  color: var(--color-text-muted);
}

.text-accent {
  color: var(--color-accent);
}

/* Background colors */

.bg-primary {
  background: var(--color-bg);
}

.bg-panel {
  background: var(--color-bg-panel);
}

/* Border utilities */

.border {
  border: var(--border-width-thin) solid var(--color-border);
}

.border-accent {
  border: var(--border-width-thin) solid var(--color-accent);
}

/* Theme transition - apply to elements that should animate on theme change */

.theme-transition {
  transition: background-color var(--transition-theme),
              color var(--transition-theme),
              border-color var(--transition-theme);
}
/**
 * Kopter Theme - Design system customizations
 *
 * Maps design system tokens to kopter-specific semantic tokens
 * and defines reusable panel component styles.
 */

:root {
  /* Kopter-specific tokens referencing design system */
  --kopter-panel-bg: var(--color-bg-panel);
  --kopter-page-bg: var(--color-bg);
  --kopter-text: var(--color-text);
  --kopter-text-muted: var(--color-text-muted);
  --kopter-border: var(--color-border);
  --kopter-accent: var(--color-accent);

  /* Status colors */
  --kopter-status-on: #4c4;
  --kopter-status-off: #c44;
}

/* ===== THEME TOGGLE ===== */

.kopter-theme-toggle {
  position: fixed;
  top: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-panel);
  border: var(--border-width-thin) solid var(--color-border);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: border-color var(--transition-fast), color var(--transition-fast);
  z-index: 20;
}

.kopter-theme-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ===== LANDING PAGE ===== */

.kopter-landing {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-mono);
  gap: var(--spacing-xl);
  padding: var(--spacing-xl);
  box-sizing: border-box;
}

.kopter-landing-title {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-text);
  margin: 0;
}

.kopter-landing-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
  letter-spacing: var(--letter-spacing-wide);
}

.kopter-landing-play {
  font-size: var(--font-size-base);
  font-family: var(--font-mono);
  padding: var(--spacing-md) var(--spacing-3xl);
  background: transparent;
  color: var(--color-text);
  border: var(--border-width-thin) solid var(--color-border);
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  margin-top: var(--spacing-lg);
}

.kopter-landing-play:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ===== KEYBOARD VISUALIZATION ===== */

.kopter-keyboard-viz {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  margin-top: var(--spacing-xl);
}

.kopter-key-row {
  display: flex;
  gap: 4px;
}

/* Stagger rows like a real keyboard */
/* Row 0: function row — no stagger */
/* Row 1: Q-row — no stagger */
.kopter-key-row--2 { padding-left: 12px; }
.kopter-key-row--3 { padding-left: 28px; }

.kopter-key-spacer {
  width: 44px;
  height: 44px;
  box-sizing: border-box;
}

.kopter-key {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: var(--border-width-thin) solid var(--color-border);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  box-sizing: border-box;
}

.kopter-key--active {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.kopter-key-label {
  font-size: 9px;
  color: var(--color-text-muted);
  margin-top: 1px;
}

.kopter-key--active .kopter-key-label {
  color: var(--color-accent);
  opacity: 0.7;
}

.kopter-keyboard-labels {
  display: flex;
  justify-content: space-between;
  width: 100%;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  letter-spacing: var(--letter-spacing-wide);
  margin-top: var(--spacing-sm);
  padding: 0 4px;
  box-sizing: border-box;
}

/* ===== GAME SCREEN ===== */

.kopter-game-screen {
  position: fixed;
  inset: 0;
  background: black;
}

.kopter-canvas-container {
  position: relative;
}

.kopter-canvas--fullscreen {
  position: fixed;
  inset: 0;
}

.kopter-canvas--fullscreen .kopter-canvas {
  width: 100%;
  height: 100%;
  display: block;
  border: none;
}

.kopter-canvas {
  display: block;
}

.kopter-debug-grid-fullscreen {
  display: grid;
  grid-template-columns: auto auto;
  grid-template-rows: auto auto;
  width: 100vw;
  height: 100vh;
  place-content: center;
  gap: 2px;
  background: #000;
}

/* ===== DEBUG OVERLAY ===== */

.kopter-debug-overlay {
  position: fixed;
  top: 16px;
  left: 16px;
  background: rgba(0, 0, 0, 0.75);
  color: #ccc;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 12px 16px;
  pointer-events: none;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 4px;
  line-height: 1.4;
}

.kopter-debug-section strong {
  color: var(--color-accent, #888);
  margin-right: 8px;
}

.kopter-debug-keys {
  margin-top: 4px;
  opacity: 0.6;
}

.kopter-debug-diagrams {
  display: flex;
  gap: 4px;
  margin-top: 8px;
}

/* ===== VIEW INDICATOR ===== */

.kopter-view-indicator-overlay {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.5);
  pointer-events: none;
  z-index: 10;
}

/* ===== BUTTONS ===== */

.kopter-btn {
  font-size: var(--font-size-xs);
  font-family: var(--font-mono);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  background: transparent;
  color: var(--color-text-muted);
  border: var(--border-width-thin) solid var(--color-border);
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.kopter-btn:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

/* ===== OVERLAY PANEL ===== */

.kopter-overlay-panel {
  position: fixed;
  background: rgba(0, 0, 0, 0.85);
  color: #ccc;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 16px;
  z-index: 10;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.kopter-overlay-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.kopter-overlay-panel-title {
  color: var(--color-accent);
  font-weight: 600;
  font-size: 14px;
}

.kopter-overlay-panel-close {
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.2s;
  user-select: none;
}

.kopter-overlay-panel-close:hover {
  opacity: 1.0;
}

.kopter-overlay-panel-content {
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

/* ===== FLIGHT MODEL TUNER ===== */

.flight-model-tuner {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.tuner-category-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 8px;
  flex-wrap: wrap;
}

.tuner-category-tab {
  padding: 8px 12px;
  cursor: pointer;
  border-radius: 4px 4px 0 0;
  background: rgba(255, 255, 255, 0.05);
  transition: background 0.2s;
  font-size: 11px;
  user-select: none;
}

.tuner-category-tab:hover {
  background: rgba(255, 255, 255, 0.1);
}

.tuner-category-tab.active {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-accent);
}

.parameter-panel {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.parameter-slider {
  margin-bottom: 24px;
}

.parameter-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  font-size: 11px;
  color: #aaa;
}

.parameter-description {
  font-size: 10px;
  color: #777;
  line-height: 1.4;
  margin-bottom: 8px;
  font-style: italic;
}

.parameter-value {
  color: var(--color-accent);
  font-weight: 600;
}

.parameter-input {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
  border-radius: 3px;
  -webkit-appearance: none;
}

.parameter-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  background: var(--color-accent);
  cursor: pointer;
  border-radius: 50%;
}

.parameter-input::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: var(--color-accent);
  cursor: pointer;
  border: none;
  border-radius: 50%;
}

.parameter-range {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  color: #666;
  margin-top: 4px;
}
:root {
	font-family: var(--font-mono);
	line-height: var(--line-height-normal);
	font-weight: 400;

	color: var(--color-text);
	background-color: var(--color-bg);

	text-rendering: optimizeLegibility;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	-webkit-text-size-adjust: 100%;
}

body {
	margin: 0;
	overflow: hidden;
}

#app {
	display: flex;
	flex-direction: column;
	min-height: 100vh;
}