/* The look of the pages that the gateway writes itself: login, logout, refusals.
   Light and dark by the setting of the device. Phone first. No picture, no font to load. */
:root {
  color-scheme: light dark;
  --ink: #1b1f24;
  --soft: #5b6470;
  --paper: #ffffff;
  --line: #cfd6de;
  --accent: #1f5fbf;
  --accent-ink: #ffffff;
  --warn-ink: #8a2c0d;
  --warn-paper: #fff1e8;
  --warn-line: #f0b38f;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8ecf1;
    --soft: #a3adb9;
    --paper: #14181d;
    --line: #38424e;
    --accent: #7fb0ff;
    --accent-ink: #0d1117;
    --warn-ink: #ffc9ad;
    --warn-paper: #3a2318;
    --warn-line: #7a4a33;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 1.5rem 1rem calc(1.5rem + env(safe-area-inset-bottom, 0px));
  font: 1.0625rem/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

main {
  max-width: 24rem;
  margin: clamp(0.5rem, 8vh, 4rem) auto 0;
}

h1 {
  margin: 0 0 1.25rem;
  font-size: 1.625rem;
  line-height: 1.2;
}

/* The name of the app above the heading of the login page. */
.app {
  margin: 0 0 0.25rem;
  font-weight: 700;
  color: var(--soft);
}

p {
  margin: 0 0 1rem;
  overflow-wrap: anywhere;
}

.warn {
  padding: 0.75rem 1rem;
  color: var(--warn-ink);
  background: var(--warn-paper);
  border: 1px solid var(--warn-line);
  border-radius: 0.625rem;
}

.write {
  margin: 0 0 1rem;
}

.write label {
  display: block;
  margin: 0 0 0.375rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--soft);
}

/* 16px and more: a phone does not zoom in when the box gets the focus. */
.write input {
  display: block;
  width: 100%;
  min-height: 2.75rem;
  padding: 0.625rem 0.75rem;
  font: inherit;
  color: inherit;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
}

.actions {
  margin: 1.25rem 0 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 2.75rem;
  padding: 0.625rem 1rem;
  font: inherit;
  font-weight: 700;
  color: var(--accent-ink);
  background: var(--accent);
  border: 0;
  border-radius: 0.5rem;
  text-decoration: none;
  cursor: pointer;
}

.write input:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}