:root {
  --bg-color: #ffffff;
  /* MD3 Neutral 10-90 scale for light mode */
  --text-primary: #18161a;
  --text-secondary: #49454f;
  --text-tertiary: #79747e;

  /* MD3 Primary/Secondary Container Colors */
  --btn-primary-bg: #1d1b20;
  --btn-primary-text: #ffffff;
  --btn-secondary-bg: #e8def8;
  /* MD3 Secondary Container */
  --btn-secondary-text: #1d192b;

  /* MD3 Expressive Easing 2026 */
  --easing-expressive: cubic-bezier(0.2, 0, 0, 1);
  --easing-standard: cubic-bezier(0.4, 0, 0.2, 1);

  --font-family: 'Noto Sans', system-ui, -apple-system, sans-serif;

  /* Spacing System (8px base) - Precise Android 17 alignment */
  --spacing-xs: 4px;
  --spacing-s: 8px;
  --spacing-m: 16px;
  --spacing-l: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-xl);
  line-height: 1.5;
  overflow-x: hidden;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 800px;
  width: 100%;
  animation: enter 1s var(--easing-expressive);
}

@keyframes enter {
  from {
    opacity: 0;
    transform: translateY(32px) scale(0.96);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 0.4em;
  margin-bottom: var(--spacing-s);
}

.brand-name {
  font-family: 'Poppins', sans-serif;
  font-size: 2.5rem;
  font-weight: 400;
  color: var(--text-primary);
}

.app-name {
  font-family: 'Poppins', sans-serif;
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--text-primary);
}

.main-title {
  font-size: 32px;
  font-weight: 400;
  color: #202124;
  margin-bottom: var(--spacing-m);
  line-height: 1.3;
}

.subtitle {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
  color: #5f6368;
  margin-bottom: var(--spacing-2xl);
  max-width: 55ch;
}

.inline-link {
  color: #0c63e4;
  text-decoration: none;
  font-weight: 400;
  transition: color 0.2s var(--easing-standard);
}

.inline-link:hover,
.inline-link:focus,
.inline-link:active {
  text-decoration: underline;
  color: #0a58ca;
}