/* styles.css — ChatWithGod Progressive Web App */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
  color: #fff;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px;
  line-height: 1.6;
}

.container {
  max-width: 640px;
  width: 100%;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 20px;
  padding: 32px 24px;
  text-align: center;
  margin-top: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.image-container {
  margin-bottom: 20px;
}

.image-container img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
}

.image-container p {
  margin-top: 8px;
  font-size: 0.9rem;
  opacity: 0.8;
}

/* Flag image */
.flag-image {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  margin-top: 20px;
}

/* Language note */
.language-note {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 12px;
  text-align: center;
}

/* Flag grid */
.flag-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 1em;
}

.flag-button {
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 10px 18px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  cursor: pointer;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 0.2s, transform 0.1s;
  -webkit-user-select: none;
  user-select: none;
}

.flag-button:hover {
  background: rgba(255, 255, 255, 0.2);
}

.flag-button:active {
  transform: scale(0.97);
}

/* Beta test section */
.beta-section {
  margin-top: 2em;
  text-align: center;
}

.beta-section p {
  font-size: 1rem;
  font-weight: bold;
  margin-bottom: 12px;
}

.beta-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.beta-link {
  padding: 14px 24px;
  font-size: 1rem;
  border-radius: 12px;
  text-decoration: none;
  display: inline-block;
  font-weight: 600;
  transition: transform 0.1s, opacity 0.2s;
}

.beta-link:active {
  transform: scale(0.97);
}

.beta-link--web {
  background-color: #4CAF50;
  color: white;
}

.beta-link--android {
  background-color: #3ddc84;
  color: black;
}

/* PWA Install Banner */
.install-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
  max-width: 640px;
  width: 100%;
}

.install-btn {
  padding: 14px 32px;
  font-size: 1.1rem;
  font-weight: 700;
  background: linear-gradient(135deg, #4CAF50, #45a049);
  color: white;
  border: none;
  border-radius: 14px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(76, 175, 80, 0.4);
  transition: transform 0.1s, box-shadow 0.2s;
  -webkit-user-select: none;
  user-select: none;
  flex: 1;
}

.install-btn:active {
  transform: scale(0.97);
  box-shadow: 0 2px 8px rgba(76, 175, 80, 0.3);
}

.install-dismiss {
  width: 44px;
  height: 44px;
  font-size: 1.2rem;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  flex-shrink: 0;
}

.install-dismiss:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

/* Privacy link */
.privacy-link {
  margin-top: 1em;
  text-align: center;
}

.privacy-link a {
  font-size: 0.9rem;
  color: #7eb8ff;
  text-decoration: underline;
}

/* Mobile tweaks */
@media (max-width: 480px) {
  body {
    padding: 0;
  }

  .container {
    max-width: 100%;
    width: 100%;
    padding: 20px 14px;
    border-radius: 0;
    margin-top: 0;
    box-shadow: none;
    background: rgba(255, 255, 255, 0.05);
  }

  h1 {
    font-size: 1.4rem;
    margin-bottom: 14px;
  }

  .image-container img {
    max-width: 200px;
  }

  .flag-button {
    padding: 10px 14px;
    font-size: 1rem;
  }

  .beta-link {
    padding: 14px 20px;
    font-size: 1rem;
  }

  .install-banner {
    max-width: 100%;
  }

  .install-btn {
    font-size: 1rem;
    padding: 14px 20px;
  }
}

/* PWA standalone mode: add safe area padding */
@media (display-mode: standalone) {
  body {
    padding-top: env(safe-area-inset-top, 16px);
    padding-bottom: env(safe-area-inset-bottom, 16px);
    padding-left: env(safe-area-inset-left, 16px);
    padding-right: env(safe-area-inset-right, 16px);
  }
}