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

@keyframes slideUp { 
  from { transform: translateY(14px); opacity: 0; } 
  to { transform: translateY(0); opacity: 1; } 
}

@keyframes slideInRight { 
  from { transform: translateX(360px); opacity: 0; } 
  to { transform: translateX(0); opacity: 1; } 
}

@keyframes slideInUp { 
  from { transform: translateY(100px); opacity: 0; } 
  to { transform: translateY(0); opacity: 1; } 
}

@keyframes toastSlideUpCenter {
  from { transform: translate(-50%, 100px); opacity: 0; }
  to { transform: translate(-50%, 0); opacity: 1; }
}

@keyframes spin { 
  0% { transform: rotate(0deg); } 
  100% { transform: rotate(360deg); } 
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f8fafc;
  color: #0f172a;
  transition: background-color 0.2s, color 0.2s;
}

.dark body {
  background: #0f172a;
  color: #f1f5f9;
}

.bg-blob {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 1;
  transition: opacity 0.2s;
  background:
    radial-gradient(800px 400px at 15% 15%, rgba(36,207,185,0.18), transparent 60%),
    radial-gradient(900px 500px at 85% 20%, rgba(24,181,163,0.14), transparent 62%),
    radial-gradient(900px 600px at 50% 85%, rgba(36,207,185,0.10), transparent 60%),
    linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
}

.dark .bg-blob {
  background:
    radial-gradient(800px 400px at 15% 15%, rgba(14,165,233,0.12), transparent 60%),
    radial-gradient(900px 500px at 85% 20%, rgba(59,130,246,0.10), transparent 62%),
    radial-gradient(900px 600px at 50% 85%, rgba(14,165,233,0.08), transparent 60%),
    linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
}

.spinner {
  border: 3px solid rgba(148,163,184,0.35);
  border-radius: 9999px;
  border-top: 3px solid rgba(15, 23, 42, 0.95);
  width: 18px;
  height: 18px;
  animation: spin 0.8s linear infinite;
}

/* ── Page Scrollbar Theming ─────────────────────────────────────── */

/* Firefox */
html, #app {
  scrollbar-color: #cbd5e1 #f8fafc;
  scrollbar-width: thin;
}

.dark html, .dark #app {
  scrollbar-color: #475569 #0f172a;
}

/* Webkit (Chrome, Edge, Safari) */
html::-webkit-scrollbar,
body::-webkit-scrollbar,
#app::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

html::-webkit-scrollbar-track,
body::-webkit-scrollbar-track,
#app::-webkit-scrollbar-track {
  background: #f8fafc;
}

html::-webkit-scrollbar-thumb,
body::-webkit-scrollbar-thumb,
#app::-webkit-scrollbar-thumb {
  background-color: #cbd5e1;
  border-radius: 9999px;
  border: 3px solid #f8fafc;
}

html::-webkit-scrollbar-thumb:hover,
body::-webkit-scrollbar-thumb:hover,
#app::-webkit-scrollbar-thumb:hover {
  background-color: #94a3b8;
}

.dark html::-webkit-scrollbar-track,
.dark body::-webkit-scrollbar-track,
.dark #app::-webkit-scrollbar-track {
  background: #0f172a;
}

.dark html::-webkit-scrollbar-thumb,
.dark body::-webkit-scrollbar-thumb,
.dark #app::-webkit-scrollbar-thumb {
  background-color: #475569;
  border: 3px solid #0f172a;
}

.dark html::-webkit-scrollbar-thumb:hover,
.dark body::-webkit-scrollbar-thumb:hover,
.dark #app::-webkit-scrollbar-thumb:hover {
  background-color: #64748b;
}