/* ============================================
   Global Styles
   Variables, reset, body, app container, utilitaires
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #667eea;
  --primary-dark: #5568d3;
  --secondary-color: #764ba2;
  --accent-color: #f093fb;
  --sidebar-bg: linear-gradient(180deg, #1a1d29 0%, #1e2132 100%);
  --card-bg: rgba(255, 255, 255, 0.05);
  --card-hover: rgba(255, 255, 255, 0.08);
  --text-primary: #ffffff;
  --text-secondary: #b4b9c7;
  --border-color: rgba(255, 255, 255, 0.1);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px rgba(102, 126, 234, 0.4);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', Oxygen, Ubuntu, Cantarell, sans-serif;
  height: 100vh;
  overflow: hidden;
  background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   App Container
   ============================================ */
.app-container {
  display: flex;
  height: 100vh;
  width: 100vw;
}

/* ============================================
   Shared keyframes (modal, notification)
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
    backdrop-filter: blur(0px);
  }
  to {
    opacity: 1;
    backdrop-filter: blur(8px);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

/* ============================================
   Additional global enhancements
   ============================================ */
.btn:active,
.location-btn-name:active,
.location-icon-btn:active,
.modal-location-btn:active {
  transition: transform 0.1s;
}

/* Smooth focus states */
.btn:focus,
.location-btn-name:focus,
.location-icon-btn:focus,
.modal-location-btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.3);
}

/* Selection styling */
::selection {
  background: var(--primary-color);
  color: white;
}

::-moz-selection {
  background: var(--primary-color);
  color: white;
}