/* Importação otimizada de fontes */
@import url('https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@400;500;700&display=swap');

/* Variáveis CSS modernas */
:root {
  --color-primary: #8bc34a;
  --color-primary-hover: #7cb342;
  --color-primary-transparent: rgba(139, 195, 74, 0.7);

  --color-text-light: #f8fafc;
  --color-text-dark: #13121a;
  --color-bg-dark: #13121a;
  --color-bg-medium: #24232b;
  --color-bg-light: #2d2c36;

  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;

  --transition-fast: 0.2s;
  --transition-normal: 0.4s;
}

/* Reset moderno */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Tipografia e base */
body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  font-family: 'Roboto Mono', monospace;
  line-height: 1.5;
  padding: 1rem;
}

/* Container principal */
#container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  width: 100%;
  max-width: 28rem;
}

/* Ilustração */
#password_img {
  width: 6.25rem;
  height: auto;
}

/* Título */
#title {
  font-weight: 500;
  font-size: 1.5rem;
  text-align: center;
}

/* Container da senha */
#password_container {
  width: 100%;
  display: none;
  justify-content: space-between;
  align-items: center;
  background-color: var(--color-bg-medium);
  border-radius: var(--border-radius-md);
  padding: 0.75rem 1.25rem;
  transition: all var(--transition-fast);
}

#password_container.show {
  display: flex;
}

#password {
  font-size: 0.875rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-grow: 1;
}

/* Botão de copiar */
#copy {
  background-color: transparent;
  border: none;
  color: var(--color-primary);
  height: 2.5rem;
  width: 2rem;
  font-size: 1rem;
  cursor: pointer;
  transition: color var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 0.5rem;
}

#copy:hover,
#copy:focus {
  color: var(--color-primary-hover);
  outline: none;
}

/* Opções de senha */
#password_items {
  width: 100%;
  background-color: var(--color-bg-medium);
  border-radius: var(--border-radius-md);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.25rem;
}

.item {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

/* Input de tamanho */
#size {
  width: 3.125rem;
  padding: 0.375rem;
  text-align: center;
  border: none;
  border-radius: var(--border-radius-sm);
  background-color: var(--color-bg-light);
  color: var(--color-text-light);
}

#size:focus {
  outline: 2px solid var(--color-primary);
}

/* Checkboxes */
input[type='checkbox'] {
  appearance: none;
  width: 1.125rem;
  height: 1.125rem;
  border: 2px solid var(--color-bg-light);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}

input[type='checkbox']:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

input[type='checkbox']:checked::after {
  content: '✓';
  position: absolute;
  color: var(--color-text-dark);
  font-size: 0.75rem;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* Botão de gerar */
#generate {
  background-color: var(--color-primary);
  border: none;
  margin-top: 1rem;
  padding: 0.75rem;
  border-radius: var(--border-radius-sm);
  color: var(--color-text-dark);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition-normal);
}

#generate:hover,
#generate:focus {
  background-color: var(--color-primary-hover);
  outline: none;
}

/* Responsividade */
@media (max-width: 480px) {
  #password_items {
    padding: 1rem;
  }

  .item {
    gap: 0.75rem;
  }
}