/* RFID Smart Cabinet — reusable components: buttons, badges, icons, cards,
 * section headers, form controls, navigation. */

/* ---------- Icons (inline SVG sprite, stroke-based) ---------- */
.icon {
  width: 1.25em;
  height: 1.25em;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-lg {
  width: 1.75rem;
  height: 1.75rem;
  stroke-width: 1.75;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: var(--space-3) var(--space-5);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--text-body);
  font-weight: var(--weight-semibold);
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--ease-fast), border-color var(--ease-fast), color var(--ease-fast), transform 80ms ease-out;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: var(--shadow-button);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-on-primary);
}

.btn-primary:active {
  background-color: var(--color-ink);
}

.btn-secondary {
  background-color: var(--color-bg-primary);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary-tint);
  color: var(--color-primary-dark);
}

.btn-sm {
  min-height: 44px;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-small);
}

.btn-lg {
  min-height: 56px;
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-lead);
}

.btn .icon {
  width: 1.125em;
  height: 1.125em;
  transition: transform var(--ease-fast);
}

.btn:hover .icon {
  transform: translateX(3px);
}

/* Phones: labels fit on one line at 320px (large buttons are full width) */
@media (max-width: 639px) {
  .btn {
    padding-inline: var(--space-4);
  }

  .btn-lg {
    padding-inline: var(--space-3);
  }
}

/* ---------- Badges / status pills ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-lg);
  font-size: var(--text-micro);
  font-weight: var(--weight-semibold);
  line-height: 1.5;
  text-wrap: balance;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  font-feature-settings: 'case';
}

.badge-info { background-color: var(--color-primary-tint-strong); color: var(--color-primary); }

/* ---------- Cards ---------- */
.card {
  padding: clamp(var(--space-4), 5vw, var(--space-5));
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

@media (min-width: 640px) {
  .card {
    padding: var(--space-6);
  }
}

.card__title {
  margin-bottom: var(--space-4);
  font-size: var(--text-h3);
}

/* ---------- Section header (left-aligned on phones) ---------- */
.section-header {
  max-width: 720px;
  margin: 0 auto var(--space-6);
}

@media (min-width: 640px) {
  .section-header {
    margin-bottom: var(--space-7);
    text-align: center;
  }
}

.section-header > :last-child {
  margin-bottom: 0;
}

.section-header__eyebrow {
  display: block;
  margin-bottom: var(--space-3);
  font-size: var(--text-small);
  font-weight: var(--weight-semibold);
  line-height: 1.4;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  font-feature-settings: 'case';
  color: var(--color-primary);
}

.section-header__title {
  margin-bottom: var(--space-4);
}

.section-header__description {
  max-width: 34em; /* ~70 characters; em, not ch, so the swap keeps the box */
  margin-inline: auto;
  text-wrap: pretty;
  font-size: var(--text-lead);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

@media (min-width: 640px) {
  .section-header__description {
    text-wrap: balance;
  }
}

/* ---------- Check / cross lists ---------- */
.check-list {
  display: grid;
  gap: var(--space-3);
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.check-list .icon {
  margin-top: 0.2em;
  color: var(--color-accent);
}

.check-list--cross .icon {
  color: var(--color-error);
}

/* ---------- Form controls ---------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-small);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
}

.form-label__req {
  color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  min-height: 48px;
  padding: 11px var(--space-4);
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border-input);
  border-radius: var(--radius-md);
  font-size: var(--text-body);
  line-height: 1.5;
  color: var(--color-text-primary);
  transition: border-color var(--ease-fast), box-shadow var(--ease-fast);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--color-text-secondary);
}

.form-input:focus-visible,
.form-select:focus-visible,
.form-textarea:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 0;
  border-color: var(--color-primary);
}

.form-select {
  appearance: none;
  padding-right: 44px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234A5A68' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}

/* Empty choice reads as a prompt */
.form-select:has(option[value=""]:checked) {
  color: var(--color-text-muted);
}

.form-select option {
  color: var(--color-text-primary);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-hint {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
}

/* ---------- Skip link & utilities ---------- */
.skip-link {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  z-index: calc(var(--z-sticky) + 1);
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-radius: var(--radius-md);
  font-weight: var(--weight-semibold);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: none;
  color: var(--color-on-primary);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Navigation ----------
 * No JS: the links form a second row on small screens. html.js (navigation.js)
 * folds them behind the toggle, [hidden] until the script shows it. */
.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--ease-normal);
}

.nav--scrolled {
  box-shadow: var(--shadow-lg);
}

.nav__container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0 var(--space-3);
  max-width: var(--container-wide);
  min-height: var(--nav-height);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
  min-height: 44px;
  font-weight: var(--weight-bold);
  line-height: 1.1;
  color: var(--color-primary);
  text-decoration: none;
}

.nav__logo .icon {
  width: 28px;
  height: 28px;
  stroke-width: 1.75;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav__lang {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  min-width: 44px;
  min-height: 44px;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-small);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
}

.nav__lang:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-tint);
}

.nav__cta {
  display: none;
}

.nav__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  color: var(--color-text-primary);
  background: none;
  border: 0;
  border-radius: var(--radius-md);
}

.nav__toggle[hidden] {
  display: none;
}

.nav__menu {
  order: 3;
  width: 100%;
}

.nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0 var(--space-1);
  padding-bottom: var(--space-2);
}

/* No JS, small screen: the link rows scroll away instead of staying pinned */
@media (max-width: 1023px) {
  html:not(.js) .nav {
    position: static;
  }

  /* The logo wraps at 320px instead of pushing EN/FR down */
  .nav__container {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: var(--nav-height);
  }

  .nav__logo {
    justify-self: start;
  }

  .nav__menu {
    grid-column: 1 / -1;
  }

  /* Link text lines up with the logo */
  .nav__list {
    margin: 0 calc(-1 * var(--space-3));
    padding-bottom: var(--space-1);
  }
}

/* Phones: 3 + 2 links, so no row hop at the font swap */
@media (max-width: 639px) {
  .nav__list::after {
    content: '';
    flex-basis: 100%;
    order: 1;
  }

  .nav__list li:nth-child(n+4) {
    order: 2;
  }
}

.nav__link {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 var(--space-3);
  font-size: var(--text-small);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  white-space: nowrap;
  border-radius: var(--radius-md);
}

.nav__link:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-tint);
}

html.js .nav__menu {
  display: none;
}

html.js .nav--open .nav__menu {
  display: block;
}

html.js .nav--open .nav__list {
  flex-direction: column;
  padding-bottom: var(--space-4);
}

@media (min-width: 640px) {
  .nav__logo {
    font-size: var(--text-lead);
  }

  .nav__cta {
    display: inline-flex;
  }
}

@media (min-width: 1024px) {
  .nav__container {
    flex-wrap: nowrap;
    padding: 0 var(--space-5);
  }

  .nav__menu,
  html.js .nav__menu {
    display: block;
    order: 1;
    width: auto;
    min-width: 0;
    margin-left: auto;
  }

  .nav__actions {
    order: 2;
  }

  /* One row at default metrics; links wrap (never the logo) under larger
   * text or WCAG text spacing */
  .nav__list {
    justify-content: flex-end;
    padding-bottom: 0;
  }

  .nav__logo {
    flex-shrink: 0;
  }

  .nav__logo,
  .nav__cta {
    white-space: nowrap;
  }

  .nav__toggle,
  html.js .nav__toggle {
    display: none;
  }
}

@media (min-width: 1024px) and (max-width: 1279px) {
  .nav__link {
    padding: 0 var(--space-2);
  }
}