@layer components {
  /* ═══════════════════════════════════════════════════════════════════════════
     Site Navigation - Editorial Style
     ═══════════════════════════════════════════════════════════════════════════ */

  .site-nav {
    background: var(--color-canvas);
    border-block-end: 1px solid var(--color-ink-lighter);
    padding-block: 0.75rem;
    padding-inline: var(--main-padding);
  }

  .site-nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-inline-size: var(--main-width);
    margin-inline: auto;
  }

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

  .site-nav__logo {
    text-decoration: none;
    display: flex;
    align-items: baseline;
    gap: 0.25em;
  }

  .site-nav__logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-ink);
    letter-spacing: -0.02em;
    font-variation-settings: "WONK" 1;
  }

  .site-nav__divider {
    width: 1px;
    height: 1.5rem;
    background: var(--color-ink-light);
    transform: rotate(15deg);
  }

  .site-nav__workspace {
    display: flex;
    align-items: baseline;
    gap: 0.5em;
    text-decoration: none;
    padding: 0.25em 0.75em;
    border-radius: 2em;
    background: var(--color-ink-lightest);
    transition: background 150ms ease;
  }

  .site-nav__workspace:hover {
    background: var(--color-ink-lighter);
  }

  .site-nav__workspace-name {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-ink-darker);
  }

  .site-nav__workspace-lang {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-ink-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }

  .site-nav__right {
    display: flex;
    align-items: center;
    gap: 0.25rem;
  }

  .site-nav__link {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-ink-dark);
    text-decoration: none;
    padding: 0.5em 1em;
    border-radius: 2em;
    transition: all 150ms ease;
    background: transparent;
    border: none;
    cursor: pointer;
  }

  .site-nav__link:hover {
    color: var(--color-ink);
    background: var(--color-ink-lightest);
  }

  .site-nav__link--button {
    /* Reset form button styling */
  }

  .site-nav__avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(145deg, oklch(48% 0.11 190) 0%, oklch(38% 0.13 210) 100%);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 150ms ease, box-shadow 150ms ease;
    box-shadow: 0 2px 4px oklch(0% 0 0 / 10%);
  }

  .site-nav__avatar:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 8px oklch(0% 0 0 / 15%);
  }

  .site-nav__avatar:active {
    transform: scale(0.98);
  }

  .site-nav__avatar-initials {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
    letter-spacing: 0.02em;
  }

  .site-nav__avatar-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
  }

  /* ═══════════════════════════════════════════════════════════════════════════
     Canvas Editor - The main writing area
     ═══════════════════════════════════════════════════════════════════════════ */

  .canvas {
    padding-block: 2rem;
    padding-inline: var(--main-padding);
    display: flex;
    flex-direction: column;
  }

  .canvas__header {
    max-inline-size: var(--main-width);
    margin-inline: auto;
    inline-size: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-block-end: 1.5rem;
  }

  .canvas__header-left {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
  }

  .canvas__workspace-label {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-ink-medium);
    text-transform: uppercase;
    letter-spacing: 0.08em;
  }

  .canvas__mode-badge {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-primary);
    background: var(--color-primary-light);
    padding: 0.2em 0.6em;
    border-radius: 1em;
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }

  .canvas__lang-badge {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--color-ink-medium);
    background: var(--color-ink-lightest);
    padding: 0.2em 0.5em;
    border-radius: 4px;
    letter-spacing: 0.05em;

    &:empty {
      display: none;
    }
  }

  .canvas__header-actions {
    display: flex;
    gap: 0.5rem;
  }

  .canvas__header-btn {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-ink-dark);
    background: var(--color-card);
    border: 1px solid var(--color-ink-lighter);
    padding: 0.4em 1em;
    border-radius: 2em;
    cursor: pointer;
    transition: all 150ms ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4em;
  }

  .canvas__header-btn:hover {
    background: var(--color-ink-lightest);
    border-color: var(--color-ink-light);
  }

  .canvas__header-btn kbd {
    border: none;
    box-shadow: none;
    padding: 0;
    font-size: 0.7em;
    font-weight: 500;
    opacity: 0.7;
    vertical-align: super;
    margin-inline-start: 0.2em;
  }

  /* ═══════════════════════════════════════════════════════════════════════════
     Editor Card - The floating paper effect
     ═══════════════════════════════════════════════════════════════════════════ */

  .canvas__editor {
    max-inline-size: var(--main-width);
    margin-inline: auto;
    inline-size: 100%;
    position: relative;
  }

  .canvas__paper {
    background: var(--color-card);
    border-radius: 1rem;
    box-shadow:
      0 0 0 1px oklch(var(--lch-black) / 4%),
      0 4px 6px -1px oklch(var(--lch-black) / 5%),
      0 10px 15px -3px oklch(var(--lch-black) / 8%),
      0 20px 25px -5px oklch(var(--lch-black) / 5%);
    position: relative;
    overflow: hidden;
  }

  /* Subtle paper texture overlay */
  .canvas__paper::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.015;
    pointer-events: none;
    mix-blend-mode: multiply;
  }

  .canvas__content {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-ink);
    padding: 1.5rem;
    min-block-size: calc(2lh + 0.5em);  /* Compact - just enough for placeholder */
    white-space: pre-wrap;
    outline: none;
    position: relative;
    z-index: 1;
  }

  .canvas__content:empty::before {
    content: "Zacznij pisać lub wklej tekst...";
    color: var(--color-ink-medium);
    font-style: italic;
  }

  .canvas__content:focus {
    outline: none;
  }

  .canvas__content--loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
  }

  .canvas__content--loading::after {
    content: "";
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--color-ink-lighter);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 600ms linear infinite;
  }

  /* Dim shortcuts when typing (they won't work) */
  .canvas__content:focus ~ .canvas__actions,
  .canvas:has(.canvas__content:focus) .canvas__shortcuts {
    opacity: 0.4;
  }

  /* ═══════════════════════════════════════════════════════════════════════════
     Action Buttons - Floating toolbar
     ═══════════════════════════════════════════════════════════════════════════ */

  .canvas__actions {
    position: absolute;
    inset-block-end: 1rem;
    inset-inline-end: 1rem;
    display: flex;
    gap: 0.5rem;
    z-index: 2;
  }

  .canvas__action-btn {
    --btn-size: 44px;

    width: var(--btn-size);
    height: var(--btn-size);
    border-radius: 50%;
    background: var(--color-card);
    color: var(--color-ink-dark);
    border: 1px solid var(--color-ink-lighter);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 200ms cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow:
      0 2px 4px oklch(var(--lch-black) / 5%),
      0 4px 8px oklch(var(--lch-black) / 5%);
  }

  .canvas__action-btn:hover {
    transform: translateY(-2px);
    box-shadow:
      0 4px 8px oklch(var(--lch-black) / 8%),
      0 8px 16px oklch(var(--lch-black) / 8%);
    border-color: var(--color-ink-light);
  }

  .canvas__action-btn:active {
    transform: translateY(0);
  }

  .canvas__action-btn--primary {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
  }

  .canvas__action-btn--primary:hover {
    background: oklch(var(--lch-primary-dark));
    border-color: oklch(var(--lch-primary-dark));
  }

  .canvas__action-btn svg {
    width: 20px;
    height: 20px;
  }

  .canvas__action-btn--loading {
    opacity: 0.6;
    cursor: wait;
  }

  .canvas__action-btn--success {
    background: var(--color-positive);
    color: white;
    border-color: var(--color-positive);
  }

  .canvas__action-spinner {
    animation: spin 1s linear infinite;
  }

  /* ═══════════════════════════════════════════════════════════════════════════
     Floating Action Bar - HEY inspired
     ═══════════════════════════════════════════════════════════════════════════ */

  .action-bar {
    max-inline-size: var(--main-width);
    margin-inline: auto;
    margin-block-start: 1.5rem;
    display: flex;
    justify-content: center;
  }

  .action-bar__group {
    display: flex;
    align-items: stretch;
    background: var(--color-card);
    border-radius: 1rem;
    box-shadow:
      0 0 0 1px oklch(var(--lch-black) / 4%),
      0 2px 8px oklch(var(--lch-black) / 6%);
  }

  .action-bar__separator {
    width: 0.75rem;
  }

  .action-bar__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-ink);
    transition: all 150ms ease;
    position: relative;
    border-radius: 1rem;
  }

  .action-bar__item:first-child {
    padding-inline-start: 1.25rem;
  }

  .action-bar__item:last-child {
    padding-inline-end: 1.25rem;
  }

  .action-bar__item:hover {
    color: var(--color-primary);
    background: var(--color-primary-light);
  }

  .action-bar__item:active {
    transform: scale(0.96);
  }

  .action-bar__item[hidden] {
    display: none;
  }

  .action-bar__icon {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
  }

  .action-bar__icon svg {
    width: 22px;
    height: 22px;
  }

  .action-bar__key {
    position: absolute;
    inset-block-start: -4px;
    inset-inline-end: -8px;
    font-family: var(--font-sans);
    font-size: 0.6rem;
    font-weight: 600;
    color: var(--color-ink-dark);
  }

  .action-bar__label {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 500;
    white-space: nowrap;
  }

  /* Active/Success states */
  .action-bar__item--active {
    color: var(--color-primary);
    background: var(--color-primary-light);
  }

  .action-bar__item--success {
    color: var(--color-positive);
  }

  /* Dim when typing */
  .canvas:has(.canvas__content:focus) .action-bar {
    opacity: 0.4;
  }

  /* ═══════════════════════════════════════════════════════════════════════════
     Command Palette Enhancements
     ═══════════════════════════════════════════════════════════════════════════ */

  #command-palette {
    font-family: var(--font-sans) !important;
  }

  #command-palette input {
    font-family: var(--font-sans) !important;
  }

  /* ═══════════════════════════════════════════════════════════════════════════
     Animations
     ═══════════════════════════════════════════════════════════════════════════ */

  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translateY(8px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .canvas__paper {
    animation: fadeIn 400ms cubic-bezier(0.16, 1, 0.3, 1);
  }

  @keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
  }

  @keyframes paletteIn {
    from {
      opacity: 0;
      transform: translate(-50%, -48%) scale(0.96);
    }
    to {
      opacity: 1;
      transform: translate(-50%, -50%) scale(1);
    }
  }

  @keyframes backdropIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }

  @keyframes previewPopIn {
    from {
      opacity: 0;
      transform: translate(-50%, -48%) scale(0.94);
    }
    to {
      opacity: 1;
      transform: translate(-50%, -50%) scale(1);
    }
  }

  @keyframes submitting {
    0%    { -webkit-mask-position: 0% 0%,   50% 0%,   100% 0% }
    12.5% { -webkit-mask-position: 0% 50%,  50% 0%,   100% 0% }
    25%   { -webkit-mask-position: 0% 100%, 50% 50%,  100% 0% }
    37.5% { -webkit-mask-position: 0% 100%, 50% 100%, 100% 50% }
    50%   { -webkit-mask-position: 0% 100%, 50% 100%, 100% 100% }
    62.5% { -webkit-mask-position: 0% 50%,  50% 100%, 100% 100% }
    75%   { -webkit-mask-position: 0% 0%,   50% 50%,  100% 100% }
    87.5% { -webkit-mask-position: 0% 0%,   50% 0%,   100% 50% }
    100%  { -webkit-mask-position: 0% 0%,   50% 0%,   100% 0% }
  }

  /* Loading state for buttons/tiles */
  .is-loading {
    pointer-events: none;
  }

  .is-loading > * {
    opacity: 0.25;
  }

  .is-loading::after {
    --mask: no-repeat radial-gradient(#000 68%, #0000 71%);
    --size: 1.5em;

    -webkit-mask: var(--mask), var(--mask), var(--mask);
    -webkit-mask-size: 28% 45%;
    animation: submitting 1s infinite linear;
    aspect-ratio: 8/5;
    background: currentColor;
    content: "";
    inline-size: var(--size);
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: calc((var(--size) / 3) * -1);
    margin-left: calc((var(--size) / 2) * -1);
  }

  @keyframes toastIn {
    from { opacity: 0; transform: translateX(-50%) translateY(0.5rem); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
  }

  @keyframes toastOut {
    from { opacity: 1; transform: translateX(-50%) translateY(0); }
    to { opacity: 0; transform: translateX(-50%) translateY(-0.5rem); }
  }

  /* ═══════════════════════════════════════════════════════════════════════════
     Modal Frame
     ═══════════════════════════════════════════════════════════════════════════ */

  turbo-frame#modal:not(:empty) {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: var(--color-canvas);
    overflow-y: auto;
  }

  /* ═══════════════════════════════════════════════════════════════════════════
     Versions Panel - History view
     ═══════════════════════════════════════════════════════════════════════════ */

  .versions-panel {
    max-inline-size: 42rem;
    margin-inline: auto;
    padding: 2rem var(--main-padding);
    padding-block-start: 4rem;
  }

  .versions-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-block-end: 1.5rem;
  }

  .versions-panel__title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-ink);
    margin: 0;
  }

  .versions-panel__close {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-ink-darker);
    text-decoration: none;
    padding: 0.5em 1.25em;
    border-radius: 2em;
    border: 1px solid var(--color-ink-lighter);
    background: var(--color-card);
    transition: all 150ms ease;
  }

  .versions-panel__close:hover {
    background: var(--color-ink-lightest);
    border-color: var(--color-ink-light);
  }

  .versions-panel__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .version-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--color-card);
    border: 1px solid var(--color-ink-lighter);
    border-radius: 0.75rem;
  }

  .version-card__content {
    flex: 1;
    min-width: 0;
  }

  .version-card__meta {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    color: var(--color-ink-medium);
    margin: 0 0 0.5rem 0;
  }

  .version-card__text {
    font-family: var(--font-serif);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-ink);
    margin: 0;
  }

  .version-card__restore {
    flex-shrink: 0;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-ink-darker);
    padding: 0.5em 1.25em;
    border-radius: 2em;
    border: 1px solid var(--color-ink-lighter);
    background: var(--color-card);
    cursor: pointer;
    transition: all 150ms ease;
  }

  .version-card__restore:hover {
    background: var(--color-ink-lightest);
    border-color: var(--color-ink-light);
  }

  /* ═══════════════════════════════════════════════════════════════════════════
     AI Preview - Inline result card
     ═══════════════════════════════════════════════════════════════════════════ */

  /* Dimmed state for original paper when preview is shown */
  .canvas__paper--dimmed {
    opacity: 0.5;
    pointer-events: none;
    box-shadow: none;
    transition: all 250ms ease;
  }

  /* Hide action bar when preview is active */
  .canvas:has(.canvas__paper--dimmed) .action-bar {
    opacity: 0;
    pointer-events: none;
    transform: translateY(1rem);
    transition: all 200ms ease;
  }

  /* AI result card - flat, continuation feel */
  .ai-preview {
    background: var(--color-card);
    border-radius: 1rem;
    border: 1px solid var(--color-ink-lighter);
    margin-block-start: 1rem;
    position: relative;
    overflow: hidden;
    animation: aiPreviewSlideUp 300ms var(--ease-out-expo);
  }


  .ai-preview__header {
    padding: 1.25rem 1.5rem 0.75rem;
  }

  .ai-preview__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.75rem;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: 100px;
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
  }

  .ai-preview__content {
    padding: 0 1.5rem 1.5rem;
    font-family: var(--font-serif);
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-ink);
    white-space: pre-wrap;
  }

  .ai-preview__actions {
    padding: 1rem 1.5rem 1.25rem;
    background: linear-gradient(to bottom, transparent, var(--color-shade));
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .ai-preview__spacer {
    flex: 1;
  }

  @keyframes aiPreviewSlideUp {
    from {
      opacity: 0;
      transform: translateY(1.5rem);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

/* ═══════════════════════════════════════════════════════════════════════════
   Dark Mode Adjustments
   ═══════════════════════════════════════════════════════════════════════════ */

html[data-theme="dark"] .canvas__paper::before {
  opacity: 0.03;
  mix-blend-mode: overlay;
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme]) .canvas__paper::before {
    opacity: 0.03;
    mix-blend-mode: overlay;
  }
}