/* SEWMA components — shared controls of the website and the admin, in the look of
   variant B «Svět» (www/redesign/b/style.css: .btn, .icon-btn, .tab, .tags, .field, .input, .select).
   Needs the five ds/tokens/*.css (fonts, colors, typography, spacing, base), which the layouts link directly
   with ?v=<filemtime>; ds/styles.css itself is not linked. Colors come only from tokens (ds/tokens/colors.css).
   Class names are a contract — see design/mapping/foundation.md.

   Markup:
     <a class="sewma-btn sewma-btn--primary [sewma-btn--sm|--lg|--icon]" href="…">Text
       <span class="sewma-btn__icon" aria-hidden="true"><svg …/></span></a>
       variants: --primary = --primarySolid = --accent (B .btn--primary), --ghost (B .btn--ghost)
       (an <svg class="sewma-btn__icon"> works too)
     <span class="sewma-eyebrow"><span class="sewma-eyebrow__dot" aria-hidden="true"></span>Text</span>
     <span class="sewma-section-label [sewma-section-label--band]">Služby</span>   (B .tab, without the positioning)
     <span class="sewma-tag">PHP</span>                                            (B .tags li)
     <div class="sewma-field"><label for="x">Label</label>
       <input class="sewma-input" id="x"> | <textarea class="sewma-input sewma-textarea"></textarea>
       | <select class="sewma-select"></select>
       | <div class="sewma-select"><select class="sewma-input"></select></div></div>
     <article class="sewma-service-card"><span class="sewma-service-card__num">01</span>
       <div class="sewma-service-card__icon"><svg/></div><h3 class="sewma-service-card__title"></h3>
       <p class="sewma-service-card__text"></p><div class="sewma-service-card__tags">…tags…</div></article>
     <div class="sewma-step-card"><span class="sewma-step-card__step">01 — Analýza</span>
       <h4 class="sewma-step-card__title"></h4><p class="sewma-step-card__text"></p></div>
     <div class="sewma-faq">
       <div class="sewma-faq__item [is-open]"><button class="sewma-faq__question" aria-expanded="…">Otázka
         <span class="sewma-faq__icon" aria-hidden="true"><svg/></span></button>
         <div class="sewma-faq__answer"><p>…</p></div></div>
       (or <details class="sewma-faq__item"><summary class="sewma-faq__question">…</summary>…</details>)
     </div>
*/

/* ── BUTTON (B .btn) ── */
.sewma-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 20px;
  font-family: var(--font-body);
  font-size: .9375rem;
  font-weight: var(--weight-semibold);
  line-height: 1.2;
  letter-spacing: 0;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  /* primary is the default variant */
  background: var(--color-primary-solid);
  color: var(--color-on-accent);
  box-shadow: 0 1px 0 rgb(255 255 255 / .18) inset, 0 10px 24px -12px color-mix(in srgb, var(--color-primary-solid) 80%, transparent);
  transition: background-color 160ms var(--ease-state), border-color 160ms var(--ease-state), color 160ms var(--ease-state), transform 160ms var(--ease-state), box-shadow 160ms var(--ease-state);
}
.sewma-btn--primary,
.sewma-btn--primarySolid,
.sewma-btn--accent { background: var(--color-primary-solid); color: var(--color-on-accent); border-color: transparent; }
.sewma-btn:hover:where(:not(.sewma-btn--ghost)) { background: var(--color-primary-solid-hover); color: var(--color-on-accent); }
.sewma-btn:active:where(:not(.sewma-btn--ghost)) { transform: translateY(1px); }

.sewma-btn--ghost { background: transparent; color: var(--color-text); border-color: var(--color-line-strong); box-shadow: none; }
.sewma-btn--ghost:hover { border-color: var(--color-accent); color: var(--color-accent); }

.sewma-btn--sm { min-height: 36px; padding: 6px 14px; gap: 8px; font-size: var(--text-small); }
.sewma-btn--lg { min-height: 52px; padding: 14px 26px; font-size: 1rem; }
.sewma-btn--icon { padding: 0; width: 44px; height: 44px; gap: 0; }
.sewma-btn--icon.sewma-btn--sm { width: 36px; height: 36px; min-height: 36px; }

.sewma-btn__icon { display: inline-flex; width: 18px; height: 18px; flex-shrink: 0; transition: transform 240ms var(--ease-out); }
.sewma-btn--sm .sewma-btn__icon { width: 16px; height: 16px; }
.sewma-btn__icon svg { width: 100%; height: 100%; }
.sewma-btn:hover .sewma-btn__icon { transform: translateX(3px); }
.sewma-btn--icon:hover .sewma-btn__icon { transform: none; }

.sewma-btn:disabled,
.sewma-btn[aria-disabled='true'] { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }
.sewma-btn:disabled .sewma-btn__icon,
.sewma-btn[aria-disabled='true'] .sewma-btn__icon { transform: none; }

/* ── EYEBROW / SECTION LABEL (B .tab: the section name as a pill) ── */
.sewma-eyebrow,
.sewma-section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-line);
  background: var(--color-bg-alt);
  color: var(--color-accent);
  font-family: var(--font-body);
  font-size: var(--text-small);
  font-weight: var(--weight-semibold);
  line-height: 1.6;
  letter-spacing: .01em;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}
.sewma-section-label--band { background: var(--color-band); color: var(--color-band-accent); border-color: var(--color-band-line); }
.sewma-eyebrow__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green-500);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--green-500) 25%, transparent);
  flex-shrink: 0;
}

/* ── TAG (B .tags li) ── */
.sewma-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-xs);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-family: var(--font-body);
  font-size: var(--text-small);
  font-weight: var(--weight-semibold);
  line-height: 1.6;
  white-space: nowrap;
}

/* ── FIELD / INPUT / TEXTAREA / SELECT (B .field, .input, .select) ── */
.sewma-field { display: grid; gap: var(--space-2); }
.sewma-field > label,
.sewma-field__label {
  font-size: var(--text-small);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
}

.sewma-input,
.sewma-textarea,
select.sewma-select {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-field-line);
  background-color: var(--color-field-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.6;
  outline: none;
  transition: border-color 160ms var(--ease-state), box-shadow 160ms var(--ease-state);
}
.sewma-input::placeholder,
.sewma-textarea::placeholder { color: var(--color-field-placeholder); opacity: 1; }
.sewma-input:hover,
.sewma-textarea:hover,
select.sewma-select:hover { border-color: var(--color-primary-solid); }
.sewma-input:focus,
.sewma-textarea:focus,
select.sewma-select:focus {
  outline: none;
  border-color: var(--color-primary-solid);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-primary-solid) 20%, transparent);
}
.sewma-input:disabled,
.sewma-textarea:disabled,
select.sewma-select:disabled { opacity: .6; cursor: not-allowed; }

textarea.sewma-input,
.sewma-textarea { min-height: 120px; resize: vertical; }

/* select: either the <select> itself, or a wrapper around a .sewma-input select;
   the chevron is B's 8px corner in the placeholder color */
select.sewma-select,
.sewma-select select {
  appearance: none;
  cursor: pointer;
  padding-right: 44px;
}
select.sewma-select {
  background-image:
    linear-gradient(45deg, transparent calc(50% - 1px), var(--color-field-placeholder) calc(50% - 1px), var(--color-field-placeholder) calc(50% + 1px), transparent calc(50% + 1px)),
    linear-gradient(135deg, transparent calc(50% - 1px), var(--color-field-placeholder) calc(50% - 1px), var(--color-field-placeholder) calc(50% + 1px), transparent calc(50% + 1px));
  background-repeat: no-repeat;
  background-size: 6px 6px, 6px 6px;
  background-position: right 23px center, right 17px center;
}
.sewma-select:not(select) { position: relative; width: 100%; }
.sewma-select:not(select)::after {
  content: '';
  position: absolute;
  right: 18px;
  top: 50%;
  width: 8px;
  height: 8px;
  margin-top: -6px;
  border-right: 2px solid var(--color-field-placeholder);
  border-bottom: 2px solid var(--color-field-placeholder);
  transform: rotate(45deg);
  pointer-events: none;
}

/* ── SERVICE CARD (ServiceCard.jsx) — hover: bg + inset 1px primary ring ── */
.sewma-service-card {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  position: relative;
  min-height: 270px;
  display: flex;
  flex-direction: column;
  transition: background var(--transition-interactive), box-shadow var(--transition-interactive);
}
.sewma-service-card:hover { background: var(--color-bg); box-shadow: inset 0 0 0 1px var(--color-primary); }
.sewma-service-card__num {
  position: absolute;
  top: var(--space-5);
  right: var(--space-6);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-faint);
  letter-spacing: 0.05em;
}
.sewma-service-card__icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}
.sewma-service-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: -0.025em;
  margin-bottom: var(--space-3);
  font-weight: 400;
}
.sewma-service-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-5);
}
.sewma-service-card__tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: auto; }

/* ── STEP CARD (StepCard.jsx) — hover: top rule turns primary ── */
.sewma-step-card {
  padding-top: var(--space-6);
  border-top: 2px solid var(--color-divider);
  transition: border-color var(--transition-interactive);
}
.sewma-step-card:hover { border-top-color: var(--color-primary); }
.sewma-step-card__step {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-4);
}
.sewma-step-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 300;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-3);
}
.sewma-step-card__text { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.6; }

/* ── FAQ (FaqItem.jsx / FaqList) — open state: .is-open, [open] or aria-expanded ── */
.sewma-faq {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.sewma-faq__item { border-bottom: 1px solid var(--color-border); background: var(--color-surface); }
.sewma-faq__item:has(> .sewma-faq__question[aria-expanded='true']),
.sewma-faq__item.is-open,
.sewma-faq__item[open] { background: var(--color-surface-2); }
.sewma-faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  text-align: left;
  padding: var(--space-6) var(--space-8);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text);
  font-family: var(--font-body);
  cursor: pointer;
  list-style: none;
}
.sewma-faq__question::-webkit-details-marker { display: none; }
.sewma-faq__icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  transition: transform var(--transition-interactive), background var(--transition-interactive), border-color var(--transition-interactive);
}
.sewma-faq__icon svg { width: 14px; height: 14px; }
.sewma-faq__question[aria-expanded='true'] .sewma-faq__icon,
.sewma-faq__item.is-open .sewma-faq__icon,
.sewma-faq__item[open] .sewma-faq__icon {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-on-accent);
  transform: rotate(45deg);
}
.sewma-faq__answer { padding: 0 var(--space-8) var(--space-6); }
.sewma-faq__answer p { font-size: var(--text-base); color: var(--color-text-muted); line-height: 1.65; }
div.sewma-faq__item:not(.is-open):not(:has(> .sewma-faq__question[aria-expanded='true'])) > .sewma-faq__answer { display: none; }