:root {
  --primary-color: #ff9900;
  --secondary-color: #004d40;
  --background-color-light: #f4f4f4;
  --text-color-light: #333;
  --background-color-dark: #222;
  --text-color-dark: #f4f4f4;
  --accent-color: #008080;
  --header-footer-light: #ffb74d;
  --header-footer-dark: #444;
}

html {
  height: 100%;
  margin: 0;
  padding: 0;
  background-color: var(--background-color-light);
  transition: background-color 0.3s;
  display: flex;
  flex-direction: column;
}

body {
  flex: 1;
  margin: 0;
  font-family: Arial, sans-serif;
  color: var(--text-color-light);
  transition: color 0.3s;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

body.dark-mode {
  background: linear-gradient(135deg, #222, #444);
  color: var(--text-color-dark);
}

header {
  background-color: var(--header-footer-light);
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: background-color 0.3s;
  position: sticky; 
  top: 0; 
  z-index: 1000; 
}

body.dark-mode header {
  background-color: var(--header-footer-dark);
}

header img {
  max-width: 200px;
  height: auto;
}

.dark-mode-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
}

#dark-mode-switch {
  position: relative;
  width: 40px;
  height: 20px;
  appearance: none;
  background: var(--secondary-color);
  border-radius: 20px;
  cursor: pointer;
  transition: background 0.3s;
}

#dark-mode-switch:checked {
  background: var(--primary-color);
}

#dark-mode-switch:before {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  background: white;
  border-radius: 50%;
  top: 1px;
  left: 1px;
  transition: transform 0.3s;
}

#dark-mode-switch:checked:before {
  transform: translateX(20px);
}

.main-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  max-width: 1200px;
  margin: 20px auto;
  justify-content: center;
  text-align: center;
  padding: 20px;
}

.container {
  flex: 1;
  min-width: 300px;
  max-width: 500px;
  padding: 20px;
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: background-color 0.3s, box-shadow 0.3s;
}

body.dark-mode .container {
  background-color: var(--header-footer-dark);
  box-shadow: 0 4px 10px rgba(255, 255, 255, 0.1);
}

.result-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px;
  background-color: var(--background-color-light);
  border: 2px solid var(--secondary-color);
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s, border-color 0.3s, box-shadow 0.3s;
}

body.dark-mode .result-container {
  background-color: var(--background-color-dark);
  border-color: var(--primary-color);
  box-shadow: 0 4px 8px rgba(255, 255, 255, 0.1);
}

.result-container span {
  font-size: 2rem;
  font-weight: bold;
  color: var(--text-color-light);
  transition: color 0.3s;
}

body.dark-mode .result-container span {
  color: var(--text-color-dark);
}

.result-container img {
  cursor: pointer;
  width: 20px;
  height: 20px;
  content: url('img/pasteiconlight.png');
  transition: content 0.3s;
}

body.dark-mode .result-container img {
  content: url('img/pasteicondark.png');
}
.copy-icon {
  cursor: pointer;
  width: 20px;
  height: 20px;
  margin-left: 10px;
}

.history {
  flex: 1;
  min-width: 300px;
  max-width: 400px;
  padding: 20px;
  background-color: var(--header-footer-light);
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s;
}

.history li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 5px 0;
  border-bottom: 1px solid #ccc;
}

body.dark-mode .history {
  background-color: var(--header-footer-dark);
  box-shadow: 0 4px 10px rgba(255, 255, 255, 0.1);
}

.history h2 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: var(--text-color-light);
}

body.dark-mode .history h2 {
  color: var(--text-color-dark);
}

.history ul {
  list-style: none;
  padding: 0;
}

.history ul li {
  padding: 5px 0;
  border-bottom: 1px solid var(--text-color-dark);
  font-size: 1.2rem;
  font-weight: bold;
}

body.dark-mode .history ul li {
  border-color: var(--text-color-light);
}

h1 {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

label {
  font-size: 1.1rem;
  font-weight: bold;
  display: block;
  margin-bottom: 10px;
}

input {
  width: calc(100% - 20px);
  padding: 10px;
  margin: 0 auto 20px;
  font-size: 1rem;
  border: 1px solid var(--secondary-color);
  border-radius: 4px;
  display: block;
}

select {
  width: calc(100% - 20px);
  padding: 10px;
  margin: 0 auto 20px;
  font-size: 1rem;
  border: 1px solid var(--secondary-color);
  border-radius: 4px;
  display: block;
  background-color: white;
  color: var(--text-color-light);
  transition: background-color 0.3s, border-color 0.3s;
  appearance: none; /* Supprime le style par défaut du navigateur */
  -webkit-appearance: none;
  -moz-appearance: none;
}

body.dark-mode select {
  background-color: var(--background-color-dark);
  color: var(--text-color-dark);
  border-color: var(--primary-color);
}

select:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 5px var(--accent-color);
}

button {
  background-color: var(--primary-color);
  color: white;
  padding: 10px;
  font-size: 1.2rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s;
}

button:hover {
  background-color: var(--accent-color);
}

output {
  display: block;
  font-size: 1.2rem;
  font-weight: bold;
  margin-top: 20px;
  color: var(--text-color-light);
}

body.dark-mode output {
  color: var(--text-color-dark);
}

.error {
  color: red;
  font-size: 0.9rem;
  margin-top: 10px;
}

.reset {
  margin-top: 20px;
  background-color: var(--secondary-color);
}

button.reset:hover {
  background-color: #00695c;
}

footer {
  background-color: var(--header-footer-light);
  color: var(--text-color-light);
  text-align: center;
  padding: 20px;
  border-top: 1px solid #ccc;
  margin-top: auto;
  transition: background-color 0.3s, color 0.3s;
}

body.dark-mode footer {
  background-color: var(--header-footer-dark);
  color: var(--text-color-dark);
  border-top: 1px solid #666;
}

.footer-flags {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-top: 15px;
}

.footer-flags .flags {
  display: flex;
  gap: 10px;
}

.footer-flags .flags img {
  width: 30px;
  height: auto;
  cursor: pointer;
}

/* Toast notification */
.toast {
  visibility: hidden;
  min-width: 250px;
  background-color: #333;
  color: #fff;
  text-align: center;
  border-radius: 5px;
  padding: 10px;
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 14px;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}

.toast.show {
  visibility: visible;
  opacity: 1;
}



@media (max-width: 768px) {
  .main-container {
    flex-direction: column;
    padding: 10px;
  }

  .container, .history {
    max-width: 100%;
    margin-bottom: 20px;
    padding: 10px;
  }

  header img {
    max-width: 180px;
  }

  h1 {
    font-size: 1.8rem;
  }

  label, input, button {
    font-size: 1rem;
  }

  .result-container span {
    font-size: 1.5rem;
  }

  .result-container {
    padding: 10px;
  }

  .history ul li {
    font-size: 1rem;
  }

  footer {
    padding: 15px;
  }
  .footer-flags .flags img {
  width: 24px;
}
}


@media (max-width: 480px) {
  .main-container {
    padding: 5px;
  }

  header img {
    max-width: 150px;
  }

  h1 {
    font-size: 1.4rem;
  }

  .result-container {
    flex-direction: column;
    gap: 5px;
    padding: 10px;
  }

  .result-container img {
    width: 16px;
    height: 16px;
  }

  .footer-flags .flags img {
    width: 20px;
  }
  footer {
    font-size: 0.9rem;
    padding: 10px;
  }
}