@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&display=swap");

:root {
  --bg-color: #212121;         
  --container-bg: #424242;     
  --primary-color: #26A69A;    
  --primary-hover: #00897B;    
  --text-color: #FAFAFA;       
  --text-muted: #BDBDBD;       
  --border-color: #616161;     
  --input-bg: #303030;         
  --success-color: #66BB6A;    
  --error-color: #EF5350;      
  --slider-track: #757575;
  --slider-thumb: #26A69A;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  overflow: hidden;
  background: transparent;
}

body {
    -webkit-app-region:drag;
    border-radius: 15px;
    overflow: hidden;
    font-family: "Poppins", sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    width: 100%;
    padding: 0;
    margin: 0;
  }

  button, input, select, label, a {
    -webkit-app-region: no-drag;
  }

.container {
  background-color: var(--container-bg);
  padding: 10px;
  border-radius: 60px;
  box-shadow: none;
  filter: none;
  width: fit-content;
  height: fit-content;
  max-width: 380px;
  text-align: center;
}

h1 {
  color: var(--primary-hover);
  margin: 10px;
  font-size: 1.5rem;
  font-weight: 900;
  text-shadow: 0 0 30px var(--primary-color);
}

.password-display-container {
  display: flex;
  align-items: center;
  margin-bottom: 1px;
  position: relative;
}

#passwordDisplay {
  flex-grow: 1;
  padding: 10px 20px;
  font-size: 1.1rem;
  border: 1px solid var(--border-color);
  background-color: var(--input-bg);
  color: var(--text-color);
  border-radius: 60px 2px 60px 2px;
  outline: none;
  font-family: "Courier New", Courier, monospace;
}

#passwordDisplay::placeholder {
  color: var(--text-muted);
}

#copyButton {
  padding: 5px 12px;
  background-color: var(--primary-color);
  color: var(--bg-color);
  border: none;
  border-left: 3px solid var(--bg-color);
  border-right: 4px solid var(--bg-color);
  border-radius: 2px 50px 2px 30px;
  cursor: pointer;
  font-size: 1.1rem;
  transition: background-color 0.5s ease;
  margin-left: 5px;
}

#copyButton:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 0 8px var(--primary-hover);
}

.copy-message {
  color: var(--success-color);
  font-size: 0.7em;
  margin: 10px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.copy-message.show {
  opacity: 5;
  margin: 10px;
}

.strength-meter {
  height: 7px;
  width: 100%;
  background-color: var(--text-muted);
  border-radius: 60px 1px 60px 1px;
  margin-top: 5px;
  overflow: hidden;
}

.strength-meter-bar {
  height: 100%;
  width: 0;
  border-radius: 60px 2px 60px 2px;
  background-color: var(--primary-hover);
  transition: width 0.3s ease, background-color 0.3s ease;
}

.strength-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: left;
  margin-top: 5px;
  height: .9em;
}

.options {
  margin-top: 10px;
  margin-bottom: 3px;
  text-align: left;
}

.option {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
}

.option label {
  color: var(--text-muted);
  margin-bottom: 1px;
  font-size: 0.95rem;
}

.option.checkbox-option {
  flex-direction: row;
  align-items: center;
  margin-bottom: 5px;
}

.option.checkbox-option label {
  margin-left: 5px;
  color: var(--text-color);
  cursor: pointer;
  transition: color 0.6s ease;
}

.option.checkbox-option label:hover {
  color: var(--primary-hover);
}


.option-description {
  display: block;
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: 3px;
}

input[type="text"] {
  width: 100%;
  padding: 5px 20px;
  border: 1px solid var(--border-color);
  background-color: var(--input-bg);
  color: var(--text-color);
  border-radius: 40px 2px 40px 2px;
  margin-top: 5px;
  font-family: "Courier New", Courier, monospace;
}

input[type="text"]::placeholder {
  color: var(--text-muted);
}
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 10px;
  background: var(--slider-track);
  border-radius: 60px 2px 60px 2px;
  cursor: pointer;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 10px;
  height: 18px;
  background: var(--slider-thumb);
  border-radius: 60%;
  cursor: pointer;
  transition: background-color 0.5s ease;
}

input[type="range"]::-moz-range-thumb {
  width: 10px;
  height: 18px;
  background: var(--slider-thumb);
  border-radius: 60%;
  cursor: pointer;
  border: none;
  transition: background-color 0.5s ease;
}

input[type="range"]:hover::-webkit-slider-thumb,
input[type="range"]:hover::-moz-range-thumb {
  width: 8px;
  background: var(--primary-hover);
}

input[type="checkbox"] {
  appearance: none;
  background-color: var(--input-bg);
  border: 1px solid var(--border-color);
  width: 20px;
  height: 20px;
  border-radius: 60px;
  cursor: pointer;
  position: relative;
  transition: background-color 0.2s ease;
  flex-shrink: 0;
}

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

input[type="checkbox"]:checked::after {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: white;
  font-size: 12px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

#error-message {
  color: var(--error-color);
  font-size: 0.9em;
  margin-top: 6px;
}

#generateButton {
  background-color: var(--primary-color);
  color: #1a1b1f;
  border: 1px solid var(--border-color);
  padding: 10px;
  border-radius: 100px 1px 100px 1px;
  font-size: 1.3rem;
  font-weight: 750;
  cursor: pointer;
  width: 85%;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

#generateButton:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 0 8px var(--primary-hover);
}

#generateButton:active {
  transform: scale(0.98);
}

@media (max-width: 400px) {
  .container {
    padding: 20px;
  }
}