/* Dark mode (default) */
:root {
  --color-bg-primary: #1f2a37;
  --color-bg-secondary: #263649;
  --color-text-primary: #fcfbf9;
  --color-text-secondary: #ccc;
  --color-accent: #4ede87;
  --color-accent-hover: #12bd85;
  --color-tooltip-bg: #263649;
  --color-box-bg: #304158;
  --color-box-text: #12bd85;
  --color-disabled: #888;
  --color-white: #ffffff;
  --color-black: #000000;
}

/* Light mode */
body.light-mode {
  --color-bg-primary: #f9f9f9;
  --color-bg-secondary: #e6e6e6;
  --color-text-primary: #1f2a37;
  --color-text-secondary: #666;
  --color-accent: #2f855a;
  --color-accent-hover: #22543d;
  --color-tooltip-bg: #f0f0f0;
  --color-box-bg: #e0e0e0;
  --color-box-text: #22543d;
  --color-disabled: #aaa;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Karla", sans-serif;
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
}

/* Layout */
#flex-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px 30px 20px;
}

.container {
  width: 100%;
  max-width: 700px;
  margin-bottom: 30px;
  text-align: center;
}

/* Titles */
#title-text {
  font-weight: 800;
  font-size: 40px;
  margin: 0 0 10px;
  line-height: 1.2;
}

#text-highlight {
  color: var(--color-accent);
}

#slogan-text {
  font-weight: 200;
  margin: 0 0 40px;
  font-size: 18px;
}

/* Buttons */
.input-btn {
  background-color: var(--color-accent);
  border: none;
  border-radius: 5px;
  padding: 12px 24px;
  font-size: 16px;
  font-weight: bold;
  color: var(--color-bg-primary);
  transition: background-color 0.2s ease;
}

.input-btn:hover {
  background-color: var(--color-accent-hover);
  cursor: pointer;
}

#generate-btn {
  color: var(--color-white);
}

/* Result display */
.generated-password {
  background-color: var(--color-box-bg);
  border-radius: 10px;
  min-height: 50px;
  padding: 12px;
  color: var(--color-box-text);
  font-weight: bold;
  text-align: center;
  width: 100%;
  margin: 0 auto;
  transition: background-color 0.2s ease;
}

.generated-password:hover {
  cursor: pointer;
  background-color: var(--color-bg-secondary);
}

/* Tooltips */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip .tooltip-text {
  visibility: hidden;
  font-size: 14px;
  width: max-content;
  max-width: 300px;
  background-color: var(--color-tooltip-bg);
  opacity: 0.9;
  color: var(--color-text-primary);
  text-align: center;
  padding: 8px 10px;
  border-radius: 6px;
  position: absolute;
  z-index: 1;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
}

.tooltip .tooltip-text:empty {
  display: none;
}

.tooltip:hover .tooltip-text:not(:empty),
.tooltip:focus-within .tooltip-text:not(:empty) {
  visibility: visible;
}

/* Tooltip position for + / - */
.tooltip-plus .tooltip-text,
.tooltip-minus .tooltip-text {
  top: -35px;
  left: 50%;
  transform: translateX(-50%);
}

/* Options section */
#advanced-options {
  margin: 0 auto;
  padding: 20px;
  border: 2px solid var(--color-accent-hover);
  border-radius: 10px;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 25px;
}

.label-container {
  display: block;
  position: relative;
  padding-left: 35px;
  margin: 10px 0;
  cursor: pointer;
  font-size: 18px;
  text-align: left;
  color: var(--color-box-text);
  user-select: none;
}

/* Hide native checkbox */
.label-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

/* Custom checkbox */
.checkmark {
  position: absolute;
  top: 0;
  left: 0;
  height: 22px;
  width: 22px;
  background-color: var(--color-white);
  border-radius: 3px;
}

.label-container:hover input ~ .checkmark {
  background-color: var(--color-disabled);
}

.label-container input:checked ~ .checkmark {
  background-color: var(--color-accent);
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

.label-container input:checked ~ .checkmark:after {
  display: block;
}

.label-container .checkmark:after {
  left: 7px;
  top: 3px;
  width: 5px;
  height: 10px;
  border: solid var(--color-white);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Password length control */
#plus-minus-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-size: 24px;
  color: var(--color-accent);
}

.plus-minus-btn {
  padding: 8px 16px;
  font-size: 22px;
  background-color: var(--color-accent);
  color: var(--color-white);
  border: none;
  border-radius: 5px;
  font-weight: bold;
}

.plus-minus-btn:hover:not(:disabled) {
  background-color: var(--color-accent-hover);
  cursor: pointer;
}

.plus-minus-btn:disabled {
  background-color: var(--color-disabled);
  cursor: not-allowed;
}

/* Toggle Switch */
#toggle-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
}

.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

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

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--color-disabled);
  border-radius: 24px;
  transition: 0.4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: var(--color-white);
  border-radius: 50%;
  transition: 0.4s;
}

.switch input:checked + .slider {
  background-color: var(--color-accent);
}

.switch input:checked + .slider:before {
  transform: translateX(26px);
}