/* The sign-in page. Its own small stylesheet, because it loads before the shell and must not wait for it.
   The tones are the ones of the dark product look; the light theme follows the operating system. */
:root {
  --lg-page: #0b1119;
  --lg-panel: #141d29;
  --lg-raise: #1a2533;
  --lg-line: #243244;
  --lg-text: #e6edf5;
  --lg-text-2: #a9b6c6;
  --lg-text-3: #8494a8;
  --lg-primary: #3d63c9;
  --lg-focus: #9db8ff;
  --lg-bad: #f28b8b;
  --lg-good: #6cc497;
  --lg-space-1: 0.5rem;
  --lg-space-2: 0.75rem;
  --lg-space-3: 1rem;
  --lg-space-4: 1.5rem;
  --lg-space-5: 2rem;
  --lg-radius: 0.375rem;
  --lg-control: 2.25rem;
}

@media (prefers-color-scheme: light) {
  :root {
    --lg-page: #f6f8fb;
    --lg-panel: #ffffff;
    --lg-raise: #eaf0f8;
    --lg-line: #d9e0ea;
    --lg-text: #16202c;
    --lg-text-2: #46546a;
    --lg-text-3: #5f6e84;
    --lg-primary: #2f55b8;
    --lg-focus: #2f55b8;
    --lg-bad: #b42828;
    --lg-good: #1e7a4c;
  }
}

* { box-sizing: border-box; }

body.lg {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--lg-space-4);
  background: var(--lg-page);
  color: var(--lg-text);
  font: 400 0.9375rem/1.5 Roboto, -apple-system, "Segoe UI", sans-serif;
}

.lg-box {
  width: 100%;
  max-width: 24rem;
  background: var(--lg-panel);
  border: 1px solid var(--lg-line);
  border-radius: var(--lg-radius);
  padding: var(--lg-space-5) var(--lg-space-4) var(--lg-space-4);
}

.lg-brand { display: flex; align-items: center; gap: var(--lg-space-2); margin-bottom: var(--lg-space-4); }
.lg-brand picture { display: block; width: 100%; }
/* Zīmols ir plata zīme (6,75:1), tāpēc to mēro pēc platuma, ne pēc augstuma — zīmols ir plata zīme. */
.lg-brand img { display: block; width: 100%; max-width: 19rem; height: auto; }
.lg-name { font-weight: 700; letter-spacing: 0.01em; }

.lg-title { margin: 0 0 var(--lg-space-1); font-size: 1.375rem; font-weight: 500; }
.lg-sub { margin: 0 0 var(--lg-space-1); font-size: 1rem; font-weight: 500; }
.lg-lead { margin: 0 0 var(--lg-space-4); color: var(--lg-text-2); font-size: 0.8125rem; }

.lg-form { display: grid; gap: var(--lg-space-3); }
.lg-form[hidden] { display: none; }
.lg-field { display: grid; gap: 0.25rem; }
.lg-field > span { font-size: 0.75rem; color: var(--lg-text-2); text-transform: uppercase; letter-spacing: 0.04em; }

.lg-field input, .lg-lang select {
  height: var(--lg-control);
  padding: 0 var(--lg-space-2);
  background: var(--lg-raise);
  color: var(--lg-text);
  border: 1px solid var(--lg-line);
  border-radius: var(--lg-radius);
  font: inherit;
}
.lg-field input:hover, .lg-lang select:hover { border-color: var(--lg-text-3); }
.lg-field input:focus-visible, .lg-lang select:focus-visible,
.lg-btn:focus-visible { outline: 2px solid var(--lg-focus); outline-offset: 1px; }
.lg-field input[aria-invalid="true"] { border-color: var(--lg-bad); }

.lg-btn {
  height: var(--lg-control);
  border: 1px solid var(--lg-primary);
  border-top-color: color-mix(in srgb, var(--lg-primary) 70%, white);
  background: var(--lg-primary);
  color: #fff;
  border-radius: var(--lg-radius);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.25);
}
.lg-btn:hover { background: color-mix(in srgb, var(--lg-primary) 88%, white); }
.lg-btn:active { transform: translateY(1px); box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.3); }
.lg-btn[disabled] { opacity: 0.55; cursor: not-allowed; }
.lg-btn.busy { color: transparent; position: relative; }
.lg-btn.busy::after {
  content: "";
  position: absolute; inset: 0;
  margin: auto;
  width: 1rem; height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: lg-spin 0.7s linear infinite;
}
@keyframes lg-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .lg-btn:active { transform: none; }
  .lg-btn.busy::after { animation: none; }
}

.lg-msg {
  padding: var(--lg-space-1) var(--lg-space-2);
  border: 1px solid var(--lg-bad);
  border-radius: var(--lg-radius);
  background: color-mix(in srgb, var(--lg-bad) 14%, transparent);
  color: var(--lg-text);
  font-size: 0.8125rem;
}
.lg-msg.ok { border-color: var(--lg-good); background: color-mix(in srgb, var(--lg-good) 14%, transparent); }

.lg-lang { display: grid; gap: 0.25rem; margin-top: var(--lg-space-4); }
.lg-lang > span { font-size: 0.75rem; color: var(--lg-text-2); text-transform: uppercase; letter-spacing: 0.04em; }
.lg-foot { margin: var(--lg-space-3) 0 0; color: var(--lg-text-3); font-size: 0.75rem; }