:root {
  /* Primary colors */
  --color-primary: #4a90e2;
  --color-primary-dark: #357abd;
  --color-primary-light: #f0f7ff;
  --color-primary-hover: #0056b3;

  /* Background colors */
  --color-background: #fff;
  --color-background-light: #f8f9fa;
  --color-background-hover: #e0e0e0;
  --color-background-dropdown-hover: #f5f5f5;

  /* Text colors */
  --color-text: #333;
  --color-text-muted: #666;
  --color-text-light: #888;
  --color-text-label: #555;

  /* Border colors */
  --color-border: #e0e0e0;
  --color-border-light: #eee;
  --color-border-input: #ddd;

  /* Success colors */
  --color-success: #28a745;

  /* Shadow colors */
  --color-shadow: rgba(0, 0, 0, 0.1);
  --color-shadow-input: rgba(74, 144, 226, 0.3);
}

* {
  margin: 0;
  padding: 0;
}

body {
  position: relative;
  font-family: 'Arial', sans-serif;
  font-size: 14px;
  line-height: 1.4;
  margin: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;

  @media (min-width: 1024px) {
    font-size: 18px;
    line-height: 1.6;
  }

  &.font-loaded {
    font-family: "Raleway", sans-serif;
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
  }

  &::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: url(../images/background.avif) repeat;
    background-size: 10%;
    opacity: 0.1;
    z-index: -1;
    pointer-events: none;
  }
}

main {
  padding-top: 1rem;
  flex: 1;

  @media (min-width: 1024px) {
    padding-top: 2rem;
  }
}

h1 {
  color: var(--color-text);
  text-align: left;
  margin-bottom: 2rem;
  font-size: 1.75rem;
  font-weight: 500;
}

h2 {
  margin-block: 1rem;
  font-weight: 400;
}

h3 {
  margin: 0.5rem 0 0.25rem;

  strong {
    font-weight: inherit;
  }
}

/******************************************** HEADER */
.mainHeader {
  margin: 0.5rem 0 0;

  @media (min-width: 1024px) {
    margin: 1rem 0;
  }
}

.headerContent {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  background-color: var(--color-background);
  padding: 0 1rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px var(--color-shadow);
}

nav {
  padding: 0.5rem 0;
}

.primaryMenu {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.primaryMenuItem {
  margin: 0;
}

.primaryMenuItem a {
  text-decoration: none;
  color: var(--color-text);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  transition: all 0.2s ease;
  display: inline-block;
}

.primaryMenuItem a:hover {
  background: var(--color-background-hover);
}

.primaryMenuItem.active a {
  background: var(--color-primary);
  color: var(--color-background);
}

.siteLogo {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
  white-space: nowrap;

  a {
    text-decoration: none;
    color: currentColor;
  }
}

.mainNav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.navLabel {
  font-weight: 500;
  color: var(--color-text-label);
  font-size: 0.9rem;
  white-space: nowrap;
}

.recipientTabs {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tabItem {
  margin: 0;
  position: relative;
}

.tabLink {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  text-decoration: none;
  color: var(--color-text);
  background: var(--color-background-light);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  transition: all 0.2s ease;
  font-size: 0.9rem;
  white-space: nowrap;
}

.tabLink:hover {
  background: var(--color-background-hover);
  border-color: var(--color-primary);
}

.tabItem.active .tabLink {
  background: var(--color-primary);
  color: var(--color-background);
  border-color: var(--color-primary);
}

.tabIcon {
  font-size: 1rem;
}

.tabText {
  font-weight: 500;
}

.dropdownArrow {
  font-size: 0.7rem;
  margin-left: 0.25rem;
  transition: transform 0.2s ease;
}

.dropdown:hover .dropdownArrow {
  transform: rotate(180deg);
}

.dropdownMenu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  box-shadow: 0 4px 12px var(--color-shadow);
  list-style: none;
  padding: 0.5rem 0;
  margin: 0.25rem 0 0 0;
  min-width: 120px;
  display: none;
  z-index: 1000;
}

.dropdown:hover .dropdownMenu {
  display: block;
}

.dropdownMenu li {
  margin: 0;
}

.dropdownLink {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  color: var(--color-text);
  text-decoration: none;
  transition: background-color 0.2s;
  font-size: 0.9rem;
}

.dropdownLink:hover {
  background: var(--color-background-dropdown-hover);
}

@media (max-width: 768px) {
  .headerContent {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .mainNav {
    flex-direction: column;
    gap: 0.75rem;
  }

  .recipientTabs {
    justify-content: center;
  }

  .tabLink {
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
  }
}
/******************************************** END HEADER */

.inner {
  background-color: var(--color-background);
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px var(--color-shadow);
  margin-bottom: 2rem;

  &:last-of-type {
    margin-bottom: 0;
  }
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.row {
  display: flex;
  flex-wrap: nowrap;
  gap: 1rem;

  > .col {
    flex: 1;
  }
}

.flexContainer {
  display: flex;
  gap: 20px;
  margin-top: 20px;
}

.colContainer {
  flex: 1;
}

.bodyIntro {
  max-width: 740px;
  margin-block-end: 1.4rem;
}

.cardGroup {
  margin-bottom: 2rem;
}

.cardOptions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.card {
  flex: 1;
  min-width: 100px;
  max-width: 160px;
  padding: 0.25rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--color-background);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  justify-content: center;

  @media (min-width: 1024px) {
    padding: 0.75rem;
  }

  &:hover {
    border-color: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: 0 1px 4px var(--color-shadow);
  }

  &.selected {
    background: var(--color-primary-light);
    color: var(--color-primary-hover);
    border-color: var(--color-primary);
  }
}

.cardLabel {
  font-weight: 400;
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.cardDesc {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.card.selected .cardDesc {
  color: var(--color-primary);
}

.mainFooter {
  margin-top: auto;
}

.footerContent {
  padding: 2rem 0;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/******************************************** EXAMPLES */
.examplesSection {
  background-color: var(--color-background);
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px var(--color-shadow);
  margin-bottom: 2rem;
}

.examplesSection h2 {
  margin-top: 0;
}

.examplesList {
  list-style: none;
  padding: 0;
}

.examplesList li {
  background-color: var(--color-background-light);
  padding: 1rem;
  border-radius: 6px;
  margin-bottom: 0.75rem;
  border-left: 4px solid var(--color-primary);
  color: var(--color-text-muted);
}

/******************************************** FAQ */
.faqList {
  margin: 1rem 0;
}

.faqItem {
  margin-bottom: 1rem;
}

.faqItem details {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
}

.faqItem summary {
  padding: 1rem;
  cursor: pointer;
  font-weight: 500;
  color: var(--color-text);
  background-color: var(--color-background-light);
  transition: background-color 0.2s ease;
  position: relative;
  outline: none;
  user-select: none;

  &:hover {
    background-color: var(--color-background-hover);
  }

  &::marker {
    list-style: none;
    content: "";
  }

  &::after {
    content: "▼";
    position: absolute;
    right: 1rem;
    transform: translateY(-50%);
    top: 50%;
    font-size: 0.8em;
    color: var(--color-text-light);
    transition: transform 0.3s ease;
  }
}

.faqItem details[open] summary::after {
  transform: translateY(-50%) rotate(180deg);
}

.faqItem p {
  padding: 1rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  border-top: 1px solid var(--color-border-light);
  margin: 0;
  background-color: var(--color-background);
}

/******************************************** FORM */
label {
  display: block;
  margin-bottom: 10px;
  color: var(--color-text-label);
}

fieldset {
  border: none;
  padding: 0;
  margin: 0 0 1rem 0;

  @media (min-width: 1024px) {
    margin: 0 0 2rem 0;
  }
}

textarea {
  width: 90%;
  padding: 0.5rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: 6px;

  &.autoExpand {
    min-height: 30px;
    max-height: 300px;
    transition: all 0.2s ease;
    resize: none;
    overflow-y: hidden;
  }

  &:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 5px var(--color-shadow-input);
  }
}
.radioGroup {
  margin-bottom: 1rem;
}

.radioLabel {
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.formSubmit {
  display: block;
  width: 100%;
  padding: 12px;
  background: var(--color-primary);
  color: var(--color-background);
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  margin: 1rem 0;
  font-family: inherit;

  &:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px var(--color-shadow);
  }

  &:active {
    transform: translateY(0);
    box-shadow: none;
  }

  &:disabled {
    background: #b3d4f7;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
  }
}

.resultBlock {
  margin-top: 3rem;

  &.isHidden {
    display: none;
  }
}

.resultWrapper {
  position: relative;

  &.wasCopied {
    &::before {
      padding: 0.5rem;
      content: "Copied!";
      position: absolute;
      top: 1px;
      left: 1px;
      right: 1px;
      bottom: 1px;
      border-radius: 4px;
      z-index: 1;
      background: #fff;
      font-size: 1.1rem;
    }
  }
}

.resultArea {
  background-color: var(--color-background-light);
  overflow-y: auto;
  width: 100%;
  padding: 12px;
  border: 1px solid var(--color-border-input);
  border-radius: 4px;
  min-height: 150px;
  font-size: 16px;
  box-sizing: border-box;

  &.isHidden {
    display: none;
  }
}

.copyResult {
  position: absolute;
  padding :0.25rem;
  width: 24px;
  height: 24px;
  cursor: pointer;
  bottom: 3px;
  right: 0;
  display: inline-block;

  &:hover {
    svg {
      fill: var(--color-primary);
    }
  }
}
/******************************************** END FORM */