* {
  padding: 0;
  margin: 0;
  font-family: "Inter", sans-serif;
  box-sizing: border-box;
}

:root {
  --base-size: clamp(15px, 1.2vw, 32px);
  font-size: var(--base-size);

  --bg0: #ffffff;
  --bg1: #f2f4f8;
  --bg1t: #f2f4f8e0;
  --bg2: #e2e4e8;
  --fg1: #40484c;
  --t1: #4c4488;
  --t2: #3f9365;
}

body {
  display: grid;
  place-items: center center;
  background: var(--bg2);
  height: 100vh;
}

a {
  color: var(--t1);
}

#app {
  display: inline-block;
  width: 100%;
  height: 96vh;
  max-width: 54vh;
  background: var(--bg1);
  border-radius: 0.5rem;
  overflow-y: auto;
}

.clk {
  background: var(--fg1);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  padding: 0.5rem 1rem;
  color: var(--bg1);
  justify-self: start;
  border: none;
  outline: none;
  border-radius: 4rem;
  cursor: pointer;
}

.screen {
  display: grid;
  height: 100%;
  align-items: center;
  align-content: center;
}

.screen.top {
  align-content: start;
  align-items: start;
  grid-template-rows: 1fr auto;
}

.screen>* {
  padding: 0.5rem;
}

.screen h1 {
  padding: 0.5rem 0.5rem 1rem 0.5rem;
}

.screen p {
  padding: 1rem 0.5rem;
}

.screen form {
  display: grid;
  gap: 1.5rem;
  background: var(--bg0);
  padding: 1rem 0.5rem;
  border-radius: 0.1rem;
}

.screen label {
  display: grid;
  gap: 0.25rem;
}

.screen input, .screen select {
  outline: none;
  border: none;
  border-bottom: 1px solid var(--fg1);
  padding: 0.25rem 0;
  background: none;
}

.screen input:focus, .screen select:focus {
  outline: none;
  border: none;
  border-bottom: 2px solid var(--fg1);
}