/* FA Brand Tokens */
:root {
  --color-primary:       #e83f4b;
  --color-primary-light: #f7c0d5;
  --color-primary-dark:  #ca0e1b;
  --color-secondary:       #e0b600;
  --color-secondary-light: #f1c711;
  --color-secondary-dark:  #c9a500;
  --color-dark-blue: #393c50;
  --color-text:       #393c50;
  --color-text-white: #fff;
  --color-success: #5cb85c;
  --color-danger:  #e6223b;
  --color-gray-lighter: #f3f3f4;
  --color-gray-light:   #e4eaec;
  --color-border: rgb(227 227 227);
  --font-family: 'Open Sans', sans-serif;
}

/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Layout */
.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: var(--color-gray-lighter);
  font-family: var(--font-family);
  color: var(--color-text);
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;

  & .page-header__logo {
    max-width: 140px;

    & svg,
    & img {
      width: 100%;
      height: auto;
    }
  }
}

.page-content {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgb(0 0 0 / 0.08);
  max-width: 720px;
  width: 100%;
  padding: 2rem;
}

.category-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin: 1.5rem 0;

  @media (min-width: 640px) {
    grid-template-columns: repeat(2, 1fr);
  }

  @media (min-width: 1024px) {
    grid-template-columns: repeat(3, 1fr);
  }
}

.action-bar {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);

  @media (max-width: 639px) {
    flex-direction: column;

    & .btn {
      width: 100%;
    }
  }
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  gap: 0.25rem;

  & .lang-switcher__btn {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 0.25rem 0.75rem;
    font-family: var(--font-family);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.15s ease;

    &:hover {
      border-color: var(--color-primary);
      color: var(--color-primary);
    }

    &.lang-switcher__btn--active {
      background: var(--color-primary);
      border-color: var(--color-primary);
      color: var(--color-text-white);

      &:hover {
        background: var(--color-primary-dark);
        border-color: var(--color-primary-dark);
        color: var(--color-text-white);
      }
    }
  }
}

/* Category checkbox */
.category-grid__item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s ease;

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

.category-grid__checkbox {
  appearance: none;
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  flex-shrink: 0;
  cursor: pointer;
  position: relative;
  transition: all 0.15s ease;

  &:checked {
    background: var(--color-primary);
    border-color: var(--color-primary);

    &::after {
      content: '';
      position: absolute;
      left: 0.3125rem;
      top: 0.125rem;
      width: 0.375rem;
      height: 0.625rem;
      border: solid var(--color-text-white);
      border-width: 0 2px 2px 0;
      transform: rotate(45deg);
    }
  }

  &:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
  }
}

.category-grid__label {
  font-size: 0.9375rem;
  line-height: 1.4;
  color: var(--color-text);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.5rem;
  border-radius: 4px;
  font-family: var(--font-family);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 2px solid transparent;
  min-height: 2.75rem;
  text-decoration: none;

  &:disabled {
    opacity: 0.6;
    cursor: not-allowed;
  }

  &.btn--primary {
    background: var(--color-primary);
    color: var(--color-text-white);
    border-color: var(--color-primary);

    &:hover:not(:disabled) {
      background: var(--color-primary-dark);
      border-color: var(--color-primary-dark);
    }
  }

  &.btn--outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);

    &:hover:not(:disabled) {
      background: var(--color-primary);
      color: var(--color-text-white);
    }
  }
}

/* Status Banners */
.status-banner {
  padding: 1.5rem;
  border-radius: 6px;
  border-left: 4px solid;

  & h2 {
    margin: 0 0 0.5rem;
    font-size: 1.125rem;
  }

  & p {
    margin: 0;
    line-height: 1.5;
  }

  & a {
    color: var(--color-primary);
    text-decoration: underline;
    font-weight: 600;

    &:hover {
      color: var(--color-primary-dark);
    }
  }

  &.status-banner--success {
    background: #eafaf1;
    border-left-color: var(--color-success);

    & h2 { color: #1e8a4a; }
  }

  &.status-banner--error {
    background: #fff5f5;
    border-left-color: var(--color-danger);

    & h2 { color: var(--color-danger); }
  }
}

/* User Info */
.user-info {
  margin-bottom: 0.5rem;

  & h1 {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--color-dark-blue);
    margin: 0 0 0.5rem;
  }

  & p {
    margin: 0 0 0.25rem;
    color: var(--color-text);
    font-size: 0.9375rem;
    line-height: 1.5;
  }
}

/* Loading skeleton */
.skeleton__bar {
  height: 1.25rem;
  background: linear-gradient(
    90deg,
    var(--color-gray-light) 25%,
    #d0d8dd 50%,
    var(--color-gray-light) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite ease-in-out;
  border-radius: 4px;
  margin-bottom: 0.75rem;

  &.skeleton__bar--wide   { width: 60%; }
  &.skeleton__bar--button { height: 2.75rem; width: 10rem; }
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}