/* ============================================
   AIS Common Styles
   ============================================ */

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

/* CSS Reset */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: #202124;
  background-color: #fafafa;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid #e67e22;
  outline-offset: 2px;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background-color: transparent;
}

::-webkit-scrollbar-thumb {
  background-color: #c1c1c1;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background-color: #999;
}

/* Utility Classes */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-muted {
  color: #5f6368;
}

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

/* Transitions */
.fade-in {
  animation: fadeIn 0.3s ease forwards;
}

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

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

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

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 12px 20px;
  background-color: #323232;
  color: #fff;
  border-radius: 8px;
  font-size: 13px;
  z-index: 9999;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  animation: toastIn 0.3s ease forwards;
}

.toast.success {
  background-color: #2e7d32;
}

.toast.error {
  background-color: #c62828;
}

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

/* Loading Spinner */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid #e0e0e0;
  border-top-color: #e67e22;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Overlay */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 500;
  display: none;
}

.overlay.active {
  display: block;
}