/* Shared small-screen fixes used by every Handy Nook page. */
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: 1rem;
}

body {
  min-width: 320px;
}

img,
svg,
canvas,
video,
iframe {
  max-width: 100%;
}

button,
input,
select,
textarea {
  max-width: 100%;
}

pre,
code,
article,
p,
li,
a {
  overflow-wrap: anywhere;
}

table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 640px) {
  /* Keep the calculator layout readable on phone-sized viewports. */
  body {
    overflow-x: clip;
  }

  main,
  section,
  .tool-main,
  .tool-section,
  .tool-shell,
  .tool-body {
    min-width: 0;
    max-width: 100%;
  }

  .form-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .form-grid label.wide {
    grid-column: 1;
  }

  .form-grid label,
  .form-grid input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="color"]):not([type="file"]),
  .form-grid select,
  .form-grid textarea {
    min-width: 0;
    width: 100%;
  }

  .result-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .fit-result {
    align-items: flex-start;
    flex-direction: column;
  }

  .fit-detail {
    max-width: none;
    text-align: left;
  }

  button,
  input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="color"]):not([type="file"]),
  select,
  textarea {
    font-size: 16px;
  }

  button,
  input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="color"]):not([type="file"]),
  select {
    min-height: 44px;
  }

  textarea {
    min-height: 100px;
  }

  .site-header,
  .topbar {
    gap: 10px;
  }

  /* On narrow phones, keep tool-page navigation on its own row so it never
     competes with the logo or forces the page wider than the screen. */
  .topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    justify-items: start;
    height: auto;
    min-height: 60px;
    padding: 10px 16px max(10px, env(safe-area-inset-bottom));
  }

  .topbar > nav {
    width: 100%;
    min-width: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 4px 14px;
  }

  .topbar > nav a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }

  .topbar > nav .nav-cta {
    min-height: 44px;
    padding: 10px 13px;
  }

  .site-header nav,
  .topbar nav {
    gap: 8px;
  }

  .site-footer nav,
  .tool-page-footer nav,
  .footer-links {
    row-gap: 10px;
  }

  .mix-actions button,
  .mix-actions a,
  .extra-tool-actions button {
    min-height: 46px;
  }

  /* Keep the brand and language picker together, with navigation on its own
     row so translated labels never squeeze the logo off a narrow screen. */
  .site-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px 12px;
    height: auto;
    min-height: 60px;
    padding: 8px 16px;
  }

  .site-header .brand-logo {
    width: clamp(124px, 39vw, 158px);
    max-width: 100%;
  }

  .site-header .language-nav,
  .site-header > nav[aria-label="Language"] {
    grid-column: 2;
    grid-row: 1;
    width: auto;
    justify-content: flex-end;
    gap: 9px;
    padding: 0;
  }

  .site-header > nav:not([aria-label="Language"]) {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px 20px;
    padding: 2px 0 4px;
  }

  .site-header nav a {
    min-height: 36px;
    display: inline-flex;
    align-items: center;
  }

  .tool-page-footer .brand-logo,
  .site-footer .brand-logo {
    width: clamp(132px, 45vw, 160px);
  }

  .tool-panel,
  .mix-card,
  .extra-tool,
  .tool-info {
    min-width: 0;
  }

  .mix-actions > *,
  .extra-tool-actions > * {
    flex: 1 1 150px;
  }

  .tool-result dl {
    grid-template-columns: minmax(0, 1fr) minmax(0, auto);
  }

  .directory-heading {
    align-items: flex-start;
    gap: 8px 16px;
    flex-wrap: wrap;
  }

  .directory-heading > div {
    min-width: 0;
    max-width: 100%;
  }

  .directory-hero h1 {
    max-width: 100%;
    font-size: clamp(1.65rem, 8vw, 2.15rem);
    letter-spacing: -.045em;
    overflow-wrap: anywhere;
  }

  .search-box {
    width: 100%;
    min-width: 0;
  }

  .site-header > nav:not([aria-label="Language"]) a,
  .site-header .language-nav a,
  .site-footer nav a,
  .tool-page-footer nav a {
    min-height: 44px;
    padding: 6px 2px;
  }

  .mix-card,
  .tool-card,
  .tool-info,
  .related-grid > *,
  .pdf-page-row > * {
    min-width: 0;
  }

  .pdf-page-row button {
    min-width: 40px;
    min-height: 40px;
  }

  .cookie-consent {
    max-height: min(78svh, 520px);
    overflow-y: auto;
    padding-bottom: max(17px, env(safe-area-inset-bottom));
  }

  .mix-card input[type="file"] {
    min-height: 44px;
    padding: 4px 0;
  }
}

@media (max-width: 360px) {
  .topbar {
    padding-left: 12px;
    padding-right: 12px;
  }

  .topbar > nav {
    column-gap: 9px;
  }

  .site-header {
    padding-left: 12px;
    padding-right: 12px;
    gap: 6px 8px;
  }

  .site-header nav:not([aria-label="Language"]),
  .topbar nav {
    gap: 6px;
  }

  .site-header nav a {
    font-size: .8rem;
  }

  .site-header .language-nav a {
    font-size: .72rem !important;
  }

  .mix-actions > *,
  .extra-tool-actions > * {
    flex: 1 1 100%;
    width: 100%;
  }

  .tool-main {
    padding-left: 12px;
    padding-right: 12px;
  }

  .directory-heading > p {
    font-size: .8rem;
  }

  .pdf-page-row {
    gap: 5px;
    padding: 7px;
  }

  .pdf-page-row button {
    min-width: 36px;
    min-height: 40px;
  }
}

@media (orientation: landscape) and (max-height: 520px) {
  .cookie-consent {
    max-height: calc(100svh - 16px);
    overflow-y: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}