/* Reset e variáveis de tema */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Tema claro (padrão) */
  --bg-gradient-start: #f7f9fc;
  --bg-gradient-end: #e9eef5;
  --card-bg: rgba(255, 255, 255, 0.96);
  --text-primary: #1a2c3e;
  --text-secondary: #3c4f64;
  --border-color: #e2edf2;
  --link-bg: white;
  --link-hover-bg: #f6faff;
  --link-hover-border: #bdd3e8;
  --btn-bg: #f0f2f5;
  --btn-hover-bg: #e2e8f0;
  --btn-active-bg: #1e2f3d;
  --btn-active-text: white;
  --shadow: rgba(0, 0, 0, 0.1);
  --shadow-hover: rgba(0, 0, 0, 0.12);
}

body.dark {
  /* Tema escuro */
  --bg-gradient-start: #1a1f2e;
  --bg-gradient-end: #0f1119;
  --card-bg: rgba(30, 35, 48, 0.96);
  --text-primary: #e2e8f0;
  --text-secondary: #a0aec0;
  --border-color: #2d3748;
  --link-bg: #2d3748;
  --link-hover-bg: #374151;
  --link-hover-border: #4a5568;
  --btn-bg: #2d3748;
  --btn-hover-bg: #374151;
  --btn-active-bg: #4a5568;
  --btn-active-text: #edf2f7;
  --shadow: rgba(0, 0, 0, 0.3);
  --shadow-hover: rgba(0, 0, 0, 0.4);
}

/* Estilos base */
body {
  font-family:
    "Inter",
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
  background: linear-gradient(
    145deg,
    var(--bg-gradient-start) 0%,
    var(--bg-gradient-end) 100%
  );
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  transition:
    background 0.3s ease,
    color 0.2s ease;
}

#app {
  width: 100%;
  background: var(--card-bg);
  border-radius: 1rem;
  padding: 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  transition:
    background 0.3s ease,
    box-shadow 0.3s ease;
}

/* Seletor de idioma e tema juntos */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  gap: 1rem;
}

.idioma-selector {
  display: flex;
  gap: 0.5rem;
}

.idioma-btn {
  background: var(--btn-bg);
  border: none;
  padding: 0.4rem 0.8rem;
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--text-primary);
  font-family: inherit;
}

.idioma-btn:hover {
  background: var(--btn-hover-bg);
  transform: translateY(-1px);
}

.idioma-btn.ativo {
  background: var(--btn-active-bg);
  color: var(--btn-active-text);
  box-shadow: 0 2px 6px var(--shadow);
}

/* Botão de tema */
.tema-btn {
  background: var(--btn-bg);
  border: none;
  padding: 0.4rem 0.8rem;
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--text-primary);
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.tema-btn:hover {
  background: var(--btn-hover-bg);
  transform: translateY(-1px);
}

/* Título e descrição */
.titulo {
  font-size: 1.8rem;
  font-weight: 700;
  background: linear-gradient(135deg, #2c4a6e, #1f2e3a);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  margin-bottom: 0;
}

body.dark .titulo {
  background: linear-gradient(135deg, #90cdf4, #63b3ed);
  background-clip: text;
  -webkit-background-clip: text;
}

.descricao {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 90%;
}

/* Container dos links - coluna */
.links-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
}

.link-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: var(--link-bg);
  border: 1px solid var(--border-color);
  border-radius: 3rem;
  padding: 0.8rem 1.2rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 1rem;
  transition: all 0.2s ease-in-out;
  width: 100%;
}

.link-item:hover {
  background: var(--link-hover-bg);
  border-color: var(--link-hover-border);
  transform: translateY(-2px);
  box-shadow: 0 12px 18px -12px var(--shadow-hover);
}

.link-icon {
  font-size: 1.4rem;
}

.link-name {
  flex: 1;
  text-align: center;
}

.link-arrow {
  font-size: 1rem;
  opacity: 0.6;
  transition: transform 0.2s;
}

.link-item:hover .link-arrow {
  transform: translateX(4px);
  opacity: 1;
}

/* Responsivo mobile-first: ajustes para telas maiores */
@media (min-width: 480px) {
  #app {
    max-width: 550px;
    border-radius: 2rem;
    padding: 2rem 1.8rem;
    box-shadow: 0 20px 35px -10px var(--shadow);
  }
  .titulo {
    font-size: 2.1rem;
  }
  .descricao {
    font-size: 1rem;
  }
  .link-item {
    padding: 0.9rem 1.5rem;
    font-size: 1.1rem;
  }
  .link-icon {
    font-size: 1.6rem;
  }
  .link-arrow {
    font-size: 1.2rem;
  }
  .idioma-btn,
  .tema-btn {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
  }
}

/* PIX Section Styling */
.pix-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  width: 100%;
}

.pix-text {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.pix-qr-code {
  width: 180px;
  height: 180px;
  border-radius: 1rem;
  border: 8px solid white;
  box-shadow: 0 4px 12px var(--shadow);
}

/* Adjust QR border for dark theme */
body.dark .pix-qr-code {
  border-color: var(--card-bg);
}

.pix-copy-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--btn-bg);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  border: 1px solid var(--border-color);
}

.pix-key-text {
  font-family: monospace;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.pix-copy-btn {
  background: var(--btn-active-bg);
  color: var(--btn-active-text);
  border: none;
  padding: 0.3rem 0.7rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.pix-copy-btn:hover {
  opacity: 0.9;
}