/* ====================================
   Ping - Minimal CSS (Tailwind-first)
   ==================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* CSS Variables for Tailwind */
:root {
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-20px);
  }
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.fade-in {
  animation: fadeIn 0.6s var(--transition-smooth) forwards;
}

.slide-up {
  animation: slideUp 0.5s var(--transition-smooth) forwards;
}

.slide-down {
  animation: slideDown 0.5s var(--transition-smooth) forwards;
}

.typewriter-cursor {
  display: inline-block;
  width: 3px;
  height: 1em;
  background-color: currentColor;
  margin-left: 4px;
  animation: blink 1s infinite;
  vertical-align: text-bottom;
}

.slide-in {
  animation: slideIn 0.6s var(--transition-smooth) forwards;
}

.scale-in {
  animation: scaleIn 0.4s var(--transition-spring) forwards;
}

/* Loading Spinner */
.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid #E5E5E5;
  border-top-color: #0A0A0A;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* Notification Styles */
.notification {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 1rem 1.5rem;
  color: white;
  border-radius: 0.5rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 10000;
  animation: slideIn 0.3s ease-out;
  font-size: 0.9375rem;
  font-weight: 500;
  max-width: 400px;
}

.notification-error { background-color: #DC2626; }
.notification-success { background-color: #16A34A; }
.notification-info { background-color: #0A0A0A; }