:root {
  color-scheme: light dark;
  --surface: #FAF8FF;
  --shape-primary: #EEE8FF;
  --shape-secondary: #F5F0FF;
  --button: #5B4AC5;
  --button-label: #FFFFFF;
  --focus: #332788;
  --shadow: rgba(66, 52, 142, 0.24);
  --state-layer: rgba(255, 255, 255, 0.16);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--surface);
}

body {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  color: var(--button-label);
  font-family: Roboto, "Segoe UI", Arial, sans-serif;
  isolation: isolate;
}

body::before,
body::after {
  position: fixed;
  z-index: -1;
  border-radius: 50%;
  background: var(--shape-primary);
  pointer-events: none;
  content: "";
}

body::before {
  top: -34vmax;
  left: -22vmax;
  width: 70vmax;
  height: 70vmax;
}

body::after {
  right: -26vmax;
  bottom: -42vmax;
  width: 78vmax;
  height: 78vmax;
  background: var(--shape-secondary);
}

.login-screen {
  display: grid;
  width: 100%;
  min-height: 100vh;
  min-height: 100svh;
  padding: max(24px, env(safe-area-inset-top)) max(24px, env(safe-area-inset-right))
    max(24px, env(safe-area-inset-bottom)) max(24px, env(safe-area-inset-left));
  place-items: center;
}

.login-button {
  position: relative;
  display: inline-flex;
  min-width: 196px;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  overflow: hidden;
  padding: 0 26px;
  border-radius: 24px;
  background: var(--button);
  box-shadow: 0 3px 8px var(--shadow);
  color: var(--button-label);
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.08em;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  transition: box-shadow 160ms ease, transform 160ms ease;
}

.login-button::before {
  position: absolute;
  inset: 0;
  background: var(--state-layer);
  content: "";
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease;
}

.login-button svg,
.login-button span {
  position: relative;
  z-index: 1;
}

.login-button svg {
  flex: 0 0 auto;
  fill: currentColor;
}

.login-button:hover {
  box-shadow: 0 5px 12px var(--shadow);
  transform: translateY(-1px);
}

.login-button:hover::before {
  opacity: 0.08;
}

.login-button:active {
  box-shadow: 0 1px 3px var(--shadow);
  transform: translateY(1px) scale(0.99);
}

.login-button:active::before {
  opacity: 0.16;
}

.login-button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface: #111318;
    --shape-primary: #191B24;
    --shape-secondary: #171820;
    --button: #C6BFFF;
    --button-label: #2D2858;
    --focus: #E6E0FF;
    --shadow: rgba(0, 0, 0, 0.42);
    --state-layer: rgba(45, 40, 88, 0.2);
  }
}

@media (max-width: 24rem) {
  .login-screen {
    padding-inline: 20px;
  }

  .login-button {
    min-width: 184px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .login-button,
  .login-button::before {
    transition: none;
  }
}

@media (forced-colors: active) {
  .login-button {
    border: 2px solid ButtonText;
    background: ButtonFace;
    color: ButtonText;
    forced-color-adjust: auto;
  }
}