* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Primary Colors */
  --primary-color: #0066FF;
  --primary-dark: #0052CC;
  --primary-light: #3385FF;
  --secondary-color: #1e293b;

  /* Accent & Status Colors */
  --accent-color: #00E5FF;
  --accent-hover: #00B8D4;
  --success-color: #00C853;
  --warning-color: #FFAB00;
  --danger-color: #FF3D00;
  --info-color: #2979FF;

  /* Background Colors - Light Theme Defaults */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  --background: #f8f9fa;
  --surface: #ffffff;
  --surface-alt: #f1f3f4;

  /* Card & Panel Backgrounds */
  --card-bg: #ffffff;
  --panel-bg: rgba(255, 255, 255, 0.98);
  --sidebar-bg: rgba(255, 255, 255, 0.95);
  --notification-bg: rgba(255, 255, 255, 0.95);
  --overlay-bg: rgba(0, 0, 0, 0.5);

  /* Text Colors */
  --text-primary: #212529;
  --text-secondary: #495057;
  --text-muted: #6c757d;

  /* Border & Shadow */
  --border-color: #dee2e6;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
  --shadow-heavy: 0 8px 32px rgba(0, 0, 0, 0.2);

  /* Input Styles */
  --input-bg: #ffffff;
  --input-border: #ced4da;
  --input-focus: #4f46e5;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  --fab-bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-start: #667eea;
  --gradient-end: #764ba2;

  /* Border Radius */
  --border-radius: 12px;
  --border-radius-sm: 6px;
  --border-radius-lg: 20px;
  --border-radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-medium: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;
}

html,
body {
  width: 100%;
  height: 100%;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  background: var(--background);
  color: var(--text-primary);
  overflow: hidden;
}

/* Map Container */
#map {
  width: 100%;
  height: 100vh;
  transition: margin-right var(--transition-medium);
  position: relative;
  z-index: 1;
}

#sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: 343px;
  height: 100vh;
  background: rgba(255, 255, 255, 0.194);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-left: 1px solid rgba(255, 255, 255, 0.2);
  transition: transform var(--transition-medium);
  z-index: 1000;
  box-shadow: var(--shadow-heavy);
}

#sidebar.collapsed {
  transform: translateX(100%);
}

#sidebar-toggle {
  position: absolute;
  top: 50%;
  left: -35px;
  width: 35px;
  height: 65px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: var(--border-radius) 0 0 var(--border-radius);
  box-shadow: var(--shadow-medium);
  color: white;
  font-size: 20px;
  transition: all var(--transition-fast);
  transform: translateY(-50%);
}

#sidebar-toggle:hover {
  transform: translateY(-50%) scale(1.05);
  box-shadow: var(--shadow-heavy);
}