/* ── Animations ─────────────────────────────────────────────────────────────── */
@keyframes spin       { 0%   { transform: rotate(0deg);              } 100% { transform: rotate(360deg);             } }
@keyframes fadeIn     { from { opacity: 0; transform: translateY(10px); } to  { opacity: 1; transform: translateY(0);    } }
@keyframes slideInUp  { from { transform: translateY(100px); opacity: 0; } to  { transform: translateY(0);    opacity: 1; } }

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* ── Background blob (light — reset page) ────────────────────────────────────── */
.bg-blob {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  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%);
}

/* ── Spinner ─────────────────────────────────────────────────────────────────── */
.spinner {
  border: 3px solid rgba(148, 163, 184, 0.35);
  border-radius: 9999px;
  border-top: 3px solid #fff;
  width: 18px;
  height: 18px;
  animation: spin 0.8s linear infinite;
  display: inline-block;
  vertical-align: middle;
}

/* ── Main page (hidden by default, shown after form submit) ──────────────────── */
#mainPage {
  display: none;
  animation: fadeIn 0.5s ease;
}

/* ── Dead-click toast ────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  background: #1e293b;
  color: #f1f5f9;
  padding: 14px 20px;
  border-radius: 16px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
  animation: slideInUp 0.3s ease;
  display: none;
}

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

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

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

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

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

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

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

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

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

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