:root {
  --default-font: "Roboto", system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif,
    "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --heading-font: "Nunito", sans-serif;
  --nav-font: "Inter", sans-serif;
}

body {
  font-family: var(--default-font);
  min-height: 100vh;
  background: linear-gradient(120deg, rgb(231, 241, 252) 50%, #ffffff 50%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-left: 1rem;
  padding-right: 1rem;
}

.background-shapes {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  pointer-events: none;
  user-select: none;
}

.bottom-left {
  bottom: 0;
  left: 0;
}

.top-left {
  top: 0;
  left: 0;
}

.top-right {
  top: 0;
  right: 0;
}

.bottom-right {
  bottom: 0;
  right: 0;
}

.bg-overlay {
  position: absolute;
  inset: 0;
  background-color: #7c3aed; /* Tailwind's purple-500 */
  mix-blend-mode: multiply;
}

.main-card {
  background-color: white;
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 360px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 10;
}

.input-box {
  width: 100%;
  border: 1px solid #d1d5db; /* Tailwind gray-300 */
  border-radius: 0.25rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #111827; /* Tailwind gray-900 */
  margin-bottom: 0.75rem;
}

.input-box:focus {
  outline: none;
  box-shadow: 0 0 0 2px #7c5afc;
}

.check-btn {
  width: 100%;
  background-color: #0d83fd;
  color: white;
  font-size: 0.625rem;
  font-weight: 400;
  padding: 0.5rem 0;
  border-radius: 0.25rem;
}