:root {
  --color-primary: #1e90ff;
  --color-secondary: #ff8c00;
  --color-tertiary: #e83b31;
  --color-quarternary: #228b22;
  --color-text: #000000;
  --color-background: #b0e0e6;
  --color-white: #ffffff;
  --color-hover: #1c86ee;
  --font-text: "Montserrat", serif;
  --font-secondary: "Bebas Neue", serif;
  --button-close: rgb(148, 23, 23);
  --dark-theme-body: #1b2a40;
  --dark-theme-main: #475b6a;
  --dark-theme-lists: #6a828d;
  --dark-point: #aebbc3;
  --rail: #515a6b;
  --dark-button: #ff2401;
  --dark-draw: #c84b31;
  --dark-add: #03346e;
  --dark-clean: #950101;
  --dark-import: #006400;
}

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

body {
  font-family: var(--font-text);
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
  padding: 20px;
}

h1,
h3 {
  font-family: var(--font-text);
  font-weight: 400;
  margin-bottom: 1%;
}

.theme-description {
  font-size: 12px;
  font-weight: bold;
  flex-direction: column;
  text-align: center;
  align-items: center;
}

.themes {
  display: flex;
  align-items: center;
  justify-content: center;
}

.rail {
  width: 50px;
  height: 15px;
  background-color: var(--color-background);
  border-radius: 150px;
  position: relative;
  cursor: pointer;
}

.rail .indicator {
  width: 13px;
  height: 13px;
  background-color: var(--color-white);
  border-radius: 50%;
  transform: scale(0.9);
  position: absolute;
  margin-top: 1px;
  margin-left: 2px;
}

.themes img {
  width: 4%;
  cursor: pointer;
}

.rail.dark .indicator {
  left: 33px;
  background-color: var(--dark-point);
}

.rail.dark {
  background-color: var(--dark-theme-body);
}

body.dark {
  color: var(--color-white);
  background-color: var(--color-text);
}

h3.dark {
  color: var(--color-white);
}

body.dark {
  background-color: var(--dark-theme-body);
}

main.dark {
  background-color: var(--dark-theme-main);
}

li.dark {
  color: var(--dark-point);
}

.container__options.dark {
  background-color: var(--dark-theme-body);
}

#draw_result.dark {
  background-color: var(--dark-theme-body);
}

#list_options.dark {
  color: var(--color-white);
}

#popup.dark {
  background-color: var(--dark-theme-body);
}

#popup-title.dark {
  color: var(--dark-button);
}

#popup-message.dark {
  color: var(--color-white);
}

#addOption.dark {
  background-color: var(--dark-add);
}

#toClean.dark {
  background-color: var(--dark-clean);
}

#draw.dark {
  background-color: var(--dark-draw);
}

#import.dark {
  background-color: var(--dark-import);
}

.delete {
  width: 15px;
  cursor: pointer;
  position: absolute;
  top: auto;
}

.container__body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: var(--color-background);
}

.container__main {
  background-color: var(--color-white);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  padding: 30px;
  width: 100%;
  max-width: 700px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.container__main:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.instructions {
  font-size: 2em;
  margin-bottom: 5%;
  text-align: center;
  font-weight: 500;
  font-family: var(--font-secondary);
  color: var(--color-text);
}

.list {
  margin-left: 20px;
  margin-bottom: 8%;
  list-style-type: disc;
}

.list li {
  font-size: 1.2em;
  margin: 8px 0;
}

.desc {
  text-align: center;
  font-size: 1.3em;
  margin-bottom: 5%;
  color: var(--color-text);
  font-family: var(--font-secondary);
  font-weight: 400;
  font-style: normal;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.form__label {
  font-size: 1.5em;
  color: var(--color-text);
  text-align: center;
  font-family: var(--font-secondary);
}

.form__input {
  padding: 12px;
  border: 1px solid var(--color-text);
  border-radius: 5px;
  font-size: 1.2em;
  transition: border-color 0.3s ease;
}

.form__input:focus {
  border-color: var(--color-primary);
  outline: none;
}

.buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  font-size: 1.2em;
}

.button__primary,
.button__secondary,
.button__terciary,
.button__quarternary {
  padding: 12px 25px;
  font-size: 1.2em;
  cursor: pointer;
  border: none;
  border-radius: 5px;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.button__primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.button__primary:hover {
  background-color: var(--dark-add);
  transform: scale(1.05);
}

.button__secondary {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.button__secondary:hover {
  background-color: var(--dark-draw);
  transform: scale(1.05);
}

.button__terciary {
  background-color: var(--color-tertiary);
  color: var(--color-white);
}

.button__terciary:hover {
  background-color: var(--dark-clean);
  transform: scale(1.05);
}

.button__quarternary {
  background-color: var(--color-quarternary);
  color: var(--color-white);
  font-size: 1.1em;
}

.button__quarternary:hover {
  transform: scale(1.05);
  background-color: var(--dark-import);
}

.results {
  margin-top: 30px;
  text-align: center;
}

.options,
.container__draw {
  font-size: 1.4em;
  font-weight: bold;
  margin-bottom: 10px;
}

.container__options,
.container__draw {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 10px;
}

#list_options {
  font-size: 20px;
  color: var(--color-text);
  font-family: var(--font-secondary);
  font-weight: 500;
  list-style-type: none;
}

.container__options,
#draw_result {
  border: 1px solid var(--color-white);
  padding: 15px;
  border-radius: 10px;
  background-color: var(--color-hover);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  margin: 20px auto;
  max-width: 500px;
  font-family: var(--font-secondary);
  font-size: 20px;
}

.popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 15%;
  font-family: Montserrat;
  font-size: 20px;
  font-weight: 400;
  background-color: var(--color-background);
  color: var(--color-text);
  border-radius: 15px;
  font-family: var(--font-secondary);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  text-align: center;
  visibility: hidden;
  opacity: 0;
  transform: translate(-50%, -60%) scale(0.8);
  transition: opacity 0.4s ease, transform 0.4s ease, visibility 0s ease 0.4s;
  z-index: 1000;
}

.message {
  margin-bottom: 10%;
}

.popup h2 {
  color: var(--color-secondary);
  margin-bottom: 5%;
  font-size: 30px;
}

.popup.show {
  visibility: visible;
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.button-close {
  background-color: var(--button-close);
  font-family: var(--font-text);
  font-weight: 600;
  color: var(--color-white);
  padding: 3px 5px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1.1em;
  transition: background-color 0.3s;
  margin-bottom: 10%;
}

.button-close:hover {
  background-color: rgb(212, 62, 62);
  transform: scale(1.1);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.button-close:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 118, 118, 0.5);
}

.popup-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.4s ease;
}

@media (max-width: 1080px) {
  .container__main {
    padding: 20px;
    width: 100%;
  }

  .form__input,
  .buttons {
    font-size: 0.5em;
  }

  .buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center; 
    gap: 10px;
  }

  .buttons button {
    flex: 1 1 auto; 
    max-width: 150px;
    font-size: 0.8em;
  }

  .popup {
    width: 60%;
  }

  .message {
    font-size: 0.8em;
  }

  .popup h2 {
    font-size: 1.3em;
  }

  .button-close {
    width: 50%;
    font-size: 0.7em;
  }

  .container__options,
  #draw_result {
    font-size: 1.2em;
  }

  .desc,
  h1,
  h3,
  .list,
  .form__label,
  .options,
  .container__draw,
  .instructions {
    font-size: 0.9em;
  }
}