/**
 * Speedometer PWA - Main Styles
 * OneDark Theme (Light & Dark modes)
 * Optimized for mobile screens (portrait + landscape)
 */

/* =====================================================
   OneDark Theme Variables
   ===================================================== */

/* Dark Theme (Default) - OneDark */
[data-theme="dark"] {
  /* OneDark Dark Background Colors */
  --color-bg-primary: #282c34;
  --color-bg-secondary: #21252b;
  --color-bg-tertiary: #2c323c;
  --color-bg-elevated: #3e4451;
  --color-bg-input: #1b1d23;
  
  /* OneDark Syntax Colors */
  --color-red: #e06c75;
  --color-orange: #d19a66;
  --color-yellow: #e5c07b;
  --color-green: #98c379;
  --color-cyan: #56b6c2;
  --color-blue: #61afef;
  --color-purple: #c678dd;
  --color-magenta: #be5046;
  
  /* UI Colors */
  --color-accent: #61afef;
  --color-accent-hover: #528bcc;
  --color-accent-glow: rgba(97, 175, 239, 0.4);
  --color-text-primary: #abb2bf;
  --color-text-secondary: #7f848e;
  --color-text-muted: #5c6370;
  --color-text-bright: #d7dae0;
  --color-border: #3e4451;
  
  /* Semantic Colors */
  --color-success: #98c379;
  --color-warning: #e5c07b;
  --color-danger: #e06c75;
  
  /* Gauge colors */
  --gauge-bg: #21252b;
  --gauge-track: #3e4451;
  --gauge-low: #98c379;
  --gauge-mid: #e5c07b;
  --gauge-high: #e06c75;
  --gauge-needle: #abb2bf;
  --gauge-needle-center: #61afef;
  
  /* Shadows */
  --shadow-color: rgba(0, 0, 0, 0.5);
}

/* Light Theme - OneDark Light */
[data-theme="light"] {
  /* OneDark Light Background Colors */
  --color-bg-primary: #fafafa;
  --color-bg-secondary: #f0f0f0;
  --color-bg-tertiary: #e5e5e6;
  --color-bg-elevated: #ffffff;
  --color-bg-input: #ffffff;
  
  /* OneDark Light Syntax Colors */
  --color-red: #e45649;
  --color-orange: #986801;
  --color-yellow: #c18401;
  --color-green: #50a14f;
  --color-cyan: #0184bc;
  --color-blue: #4078f2;
  --color-purple: #a626a4;
  --color-magenta: #ca1243;
  
  /* UI Colors */
  --color-accent: #4078f2;
  --color-accent-hover: #3264d6;
  --color-accent-glow: rgba(64, 120, 242, 0.3);
  --color-text-primary: #383a42;
  --color-text-secondary: #696c77;
  --color-text-muted: #a0a1a7;
  --color-text-bright: #232529;
  --color-border: #d3d3d4;
  
  /* Semantic Colors */
  --color-success: #50a14f;
  --color-warning: #c18401;
  --color-danger: #e45649;
  
  /* Gauge colors */
  --gauge-bg: #e5e5e6;
  --gauge-track: #d3d3d4;
  --gauge-low: #50a14f;
  --gauge-mid: #c18401;
  --gauge-high: #e45649;
  --gauge-needle: #383a42;
  --gauge-needle-center: #4078f2;
  
  /* Shadows */
  --shadow-color: rgba(0, 0, 0, 0.15);
}

/* Common Variables (both themes) */
:root {
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  
  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', 'Monaco', monospace;
  --font-digital: 'Orbitron', 'Share Tech Mono', var(--font-mono);
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 3rem;
  --font-size-4xl: 4rem;
  --font-size-5xl: 5rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-theme: 300ms ease;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
}

/* =====================================================
   Reset & Base Styles
   ===================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-primary);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  min-height: 100vh;
  min-height: 100dvh;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-theme), color var(--transition-theme);
}

/* =====================================================
   App Container Layout
   ===================================================== */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  padding: var(--spacing-md);
  padding-bottom: env(safe-area-inset-bottom, var(--spacing-md));
  max-width: 600px;
  margin: 0 auto;
}

/* =====================================================
   Header Styles
   ===================================================== */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
  flex-shrink: 0;
  gap: var(--spacing-md);
}

.app-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-bright);
  letter-spacing: -0.02em;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* View Toggle Buttons */
.view-toggle {
  display: flex;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  padding: 2px;
}

.view-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.view-btn.active {
  background: var(--color-accent);
  color: white;
}

/* Theme Toggle Button */
.theme-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-btn:hover {
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
}

/* Sun/Moon icons */
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* Status Indicators */
.status-indicators {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.status-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
  transition: background-color var(--transition-theme);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-text-muted);
  transition: background var(--transition-normal);
}

.status-badge[data-status="active"] .status-dot {
  background: var(--color-success);
  box-shadow: 0 0 8px var(--color-success);
  animation: pulse 2s infinite;
}

.status-badge[data-status="error"] .status-dot {
  background: var(--color-danger);
}

.accuracy-badge {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-family: var(--font-mono);
  transition: background-color var(--transition-theme);
}

.accuracy-value {
  font-weight: 600;
}

/* =====================================================
   Analog Speedometer Section
   ===================================================== */
.speedometer-section {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) 0;
}

.speedometer-section.hidden {
  display: none;
}

.speedometer-analog .speedometer-wrapper {
  position: relative;
  width: 100%;
  max-width: 350px;
  aspect-ratio: 1;
}

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

/* =====================================================
   Digital Speedometer Section
   ===================================================== */
.speedometer-digital {
  padding: var(--spacing-lg);
}

.digital-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xl);
  padding: var(--spacing-xl);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  transition: all var(--transition-theme);
  min-height: 350px;
}

.digital-main {
  text-align: center;
}

.digital-speed-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 8rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent);
  letter-spacing: -0.02em;
  text-shadow: 0 0 40px var(--color-accent-glow);
  transition: all var(--transition-theme);
}

.digital-speed-unit {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-top: var(--spacing-md);
}

/* Digital Secondary Info */
.digital-secondary {
  display: flex;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-lg);
}

.digital-info-item {
  text-align: center;
  padding: var(--spacing-md);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  min-width: 80px;
}

.digital-info-label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-xs);
}

.digital-info-value {
  font-family: var(--font-mono);
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--color-text-bright);
}

/* =====================================================
   Stats Panel
   ===================================================== */
.stats-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
  padding: var(--spacing-md) 0;
  flex-shrink: 0;
}

.stats-panel.hidden {
  display: none;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all var(--transition-theme);
}

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-xs);
}

.stat-value {
  font-family: var(--font-mono);
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text-bright);
}

.stat-unit {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

/* =====================================================
   Control Buttons
   ===================================================== */
.controls-section {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  flex-shrink: 0;
}

.control-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  -webkit-user-select: none;
  user-select: none;
}

.control-btn:active {
  transform: scale(0.98);
}

.control-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: var(--color-accent);
  color: white;
  box-shadow: 0 4px 12px var(--color-accent-glow);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-accent-hover);
  box-shadow: 0 6px 20px var(--color-accent-glow);
}

.btn-secondary {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-bg-elevated);
}

.btn-icon {
  font-size: var(--font-size-lg);
}

/* =====================================================
   Message Container
   ===================================================== */
.message-container {
  position: fixed;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 40px var(--shadow-color);
  max-width: calc(100% - var(--spacing-xl) * 2);
  z-index: 100;
  animation: slideUp 0.3s ease;
}

.message-container[hidden] {
  display: none;
}

.message-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  text-align: center;
}

/* =====================================================
   Offline Indicator
   ===================================================== */
.offline-indicator {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-sm);
  background: var(--color-warning);
  color: #000;
  text-align: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
  z-index: 1000;
  animation: slideDown 0.3s ease;
}

.offline-indicator[hidden] {
  display: none;
}

/* =====================================================
   Animations
   ===================================================== */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translate(-50%, 20px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-100%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes glow {
  0%, 100% { 
    text-shadow: 0 0 40px var(--color-accent-glow);
  }
  50% { 
    text-shadow: 0 0 60px var(--color-accent-glow), 0 0 80px var(--color-accent-glow);
  }
}

/* =====================================================
   Landscape Mode Adjustments
   ===================================================== */
@media (orientation: landscape) and (max-height: 500px) {
  .app-container {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    max-width: 100%;
    padding: var(--spacing-sm);
  }
  
  .app-header {
    width: 100%;
    padding: var(--spacing-xs) 0;
  }
  
  .speedometer-section {
    flex: 0 0 50%;
    padding: 0;
  }
  
  .speedometer-analog .speedometer-wrapper {
    max-width: 250px;
  }
  
  .digital-speed-value {
    font-size: 4rem;
  }
  
  .stats-panel {
    flex: 0 0 45%;
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
    padding: 0 var(--spacing-sm);
  }
  
  .stat-item {
    flex-direction: row;
    justify-content: space-between;
    padding: var(--spacing-sm);
  }
  
  .stat-label {
    margin-bottom: 0;
  }
  
  .controls-section {
    width: 100%;
    padding: var(--spacing-xs) 0;
  }
  
  .control-btn {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .digital-display {
    padding: var(--spacing-md);
  }
  
  .digital-secondary {
    gap: var(--spacing-lg);
  }
}

/* =====================================================
   Responsive Adjustments
   ===================================================== */
@media (max-width: 380px) {
  .digital-speed-value {
    font-size: 4rem;
  }
  
  .speedometer-analog .speedometer-wrapper {
    max-width: 280px;
  }
  
  .stat-item {
    padding: var(--spacing-sm);
  }
  
  .stat-value {
    font-size: var(--font-size-lg);
  }
  
  .header-controls {
    gap: var(--spacing-xs);
  }
  
  .view-btn {
    width: 32px;
    height: 28px;
  }
  
  .theme-btn {
    width: 32px;
    height: 32px;
  }
}

@media (min-width: 768px) {
  .app-container {
    padding: var(--spacing-xl);
  }
  
  .speedometer-analog .speedometer-wrapper {
    max-width: 400px;
  }
  
  .digital-speed-value {
    font-size: 8rem;
  }
}

/* =====================================================
   Reduced Motion Preference
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* =====================================================
   Focus States for Accessibility
   ===================================================== */
.control-btn:focus-visible,
.view-btn:focus-visible,
.theme-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* =====================================================
   Print Styles
   ===================================================== */
@media print {
  .controls-section,
  .offline-indicator,
  .message-container,
  .header-controls {
    display: none !important;
  }
}