* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", sans-serif;
}

body {
  background: #e6f2ec;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  transition: background 0.3s;
}

.container {
  background: #fff;
  padding: 3rem 2rem;
  border-radius: 25px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  width: 90%;
  max-width: 400px;
}

.login-form h1 {
  text-align: center;
  margin-bottom: 2rem;
  color: #222;
}

.input-group {
  position: relative;
  margin-bottom: 1.2rem;
}

.input-group input {
  width: 100%;
  padding: 0.8rem 2.5rem 0.8rem 2.5rem;
  border: 1px solid #ccc;
  border-radius: 30px;
  outline: none;
  transition: 0.2s;
}

.input-group input:focus {
  border-color: #399370;
}

.icon {
  position: absolute;
  top: 50%;
  left: 15px;
  transform: translateY(-50%);
  color: #888;
}

.toggle-password {
  position: absolute;
  top: 50%;
  right: 15px;
  transform: translateY(-50%);
  cursor: pointer;
  color: #888;
}

.login-btn {
  width: 100%;
  padding: 0.9rem;
  background-color: #3e7e6d;
  color: #fff;
  border: none;
  border-radius: 30px;
  cursor: pointer;
  font-size: 1rem;
  margin-top: 0.5rem;
  transition: background 0.3s;
}

.login-btn:hover {
  background-color: #2f6657;
}

.language-select {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1.5rem;
  gap: 10px;
}

.language-select img {
  width: 20px;
  height: 14px;
  border-radius: 2px;
}

.language-select select {
  padding: 0.4rem 0.8rem;
  border-radius: 12px;
  border: 1px solid #ccc;
  background: #fff;
}

.theme-toggle {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 1.2rem;
}

/* Toggle Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 42px;
  height: 22px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  border-radius: 22px;
  transition: 0.4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 4px;
  bottom: 3px;
  background-color: white;
  transition: 0.4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: #3e7e6d;
}

input:checked + .slider:before {
  transform: translateX(18px);
}

/* Dark Mode */
body.dark-mode {
  background-color: #1d1d1d;
}

body.dark-mode .container {
  background-color: #2e2e2e;
  color: #eee;
}

body.dark-mode input,
body.dark-mode select {
  background: #444;
  color: #eee;
  border-color: #666;
}

body.dark-mode .login-btn {
  background-color: #58a590;
}

body.dark-mode .language-select select {
  background: #444;
}