/* ============================================================
   Swap Library — component styles
   Tokens come from brand_tokens.css (:root)
   ============================================================ */

* { box-sizing: border-box; }

.sl-container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 32px; }

/* ============================================================
   BUTTONS / TAGS / EYEBROWS
   ============================================================ */
.zw-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-sans); font-weight: 600;
  border: 0; cursor: pointer; text-decoration: none;
  border-radius: 10px; letter-spacing: 0.01em;
  transition: background 200ms, transform 120ms, box-shadow 200ms, color 200ms;
}
.zw-btn:active { transform: scale(0.98); }
.zw-btn--sm { padding: 8px 14px; font-size: 13px; border-radius: 8px; }
.zw-btn--md { padding: 11px 20px; font-size: 14.5px; border-radius: 10px; }
.zw-btn--lg { padding: 14px 26px; font-size: 16px; border-radius: 12px; }
.zw-btn--primary { background: var(--zw-blue-700); color: #fff; }
.zw-btn--primary:hover { background: var(--zw-blue-800); }
.zw-btn--action { background: var(--zw-green-600); color: #04301f; }
.zw-btn--action:hover { background: #00b085; }
.zw-btn--outline { background: transparent; color: var(--zw-blue-700); box-shadow: inset 0 0 0 1.5px var(--zw-blue-700); }
.zw-btn--outline:hover { background: var(--zw-blue-50); }
.zw-btn--ghost { background: transparent; color: var(--zw-blue-700); }
.zw-btn--ghost:hover { background: var(--zw-blue-50); }

.zw-tag {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 999px;
}
.zw-tag--green { background: var(--zw-green-100); color: var(--zw-green-900); }
.zw-tag--blue  { background: var(--zw-blue-100);  color: var(--zw-blue-900); }
.zw-tag--neutral { background: var(--zw-surface-3); color: var(--zw-ink-3); }
.zw-tag--free { background: #d1fae5; color: #065f46; }
.zw-tag--diy  { background: #fef3c7; color: #92400e; }
.zw-tag--buy  { background: var(--zw-blue-100); color: var(--zw-blue-900); }
.zw-tag--swapped { background: var(--zw-green-100); color: var(--zw-green-900); }
.zw-tag--cart { background: var(--zw-blue-50); color: var(--zw-blue-800); }

.sl-eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--zw-green-700);
}

/* ============================================================
   BROWSE — page intro
   ============================================================ */
.sl-intro {
  background:
    radial-gradient(circle at 88% 10%, rgba(0,204,153,0.10), rgba(0,204,153,0) 55%),
    linear-gradient(180deg, var(--zw-paper) 0%, #ffffff 100%);
  padding: 48px 0 32px;
  border-bottom: 1px solid var(--zw-line-2);
}
.sl-intro__inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: end; }
.sl-intro__lead { padding-bottom: 4px; }
.sl-intro__title {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(40px, 5.4vw, 64px); line-height: 0.98;
  letter-spacing: -0.025em; color: var(--zw-blue-700);
  margin: 12px 0 14px; text-wrap: balance;
}
.sl-intro__title em { color: var(--zw-green-600); font-style: normal; }
.sl-intro__lede { font-size: 18px; line-height: 1.55; color: var(--zw-ink-2); max-width: 56ch; margin: 0; }
.sl-intro__stats {
  display: grid; grid-template-columns: repeat(3, auto); gap: 28px;
  justify-content: end; align-items: end; padding-bottom: 6px;
}
.sl-intro__stat { text-align: right; }
.sl-intro__statnum {
  font-family: var(--font-display); font-weight: 900; font-size: 32px;
  color: var(--zw-blue-700); line-height: 1; letter-spacing: -0.02em;
}
.sl-intro__statnum em { color: var(--zw-green-600); font-style: normal; font-size: 0.55em; margin-left: 2px; font-weight: 800; }
.sl-intro__statlbl { font-size: 11px; color: var(--zw-ink-3); margin-top: 6px; letter-spacing: 0.06em; text-transform: uppercase; font-weight: 600; }

/* Skip · Swap · Share verbs */
.sl-verbs__inner { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }
.sl-verb { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--zw-ink-2); }
.sl-verb strong { font-family: var(--font-display); font-weight: 900; font-size: 18px; color: var(--zw-blue-700); letter-spacing: -0.01em; }
.sl-verb__dot { width: 8px; height: 8px; border-radius: 999px; flex-shrink: 0; }
.sl-verb__dot--skip { background: var(--zw-blue-700); }
.sl-verb__dot--swap { background: var(--zw-green-600); }
.sl-verb__dot--share { background: var(--zw-sun); }

/* ============================================================
   TOOLBAR
   ============================================================ */
.sl-toolbar {
  position: sticky; top: 64px; z-index: 20;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--zw-line-2);
}
.sl-toolbar__stack { display: flex; flex-direction: column; gap: 12px; padding: 16px 0; }
.sl-toolbar__filters { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }

.sl-search {
  width: 100%;
  display: flex; align-items: center; gap: 10px;
  background: var(--zw-surface-2); border: 1.5px solid transparent;
  border-radius: 999px; padding: 10px 18px;
  transition: border-color 200ms, background 200ms, box-shadow 200ms;
}
.sl-search:focus-within { background: #fff; border-color: var(--zw-blue-700); box-shadow: 0 0 0 3px rgba(51,102,153,0.18); }
.sl-search input {
  border: 0; outline: 0; background: transparent; flex: 1; font-size: 15px;
  font-family: var(--font-sans); color: var(--zw-ink);
}
.sl-search input::placeholder { color: var(--zw-ink-3); }
.sl-search__icon { color: var(--zw-ink-3); flex-shrink: 0; }
.sl-search__clear {
  border: 0; background: transparent; cursor: pointer; color: var(--zw-ink-3);
  display: flex; align-items: center; padding: 0;
}
.sl-search__clear:hover { color: var(--zw-ink); }

.sl-chips { display: flex; gap: 6px; flex-wrap: wrap; flex: 1; }
.sl-chip {
  border: 1.5px solid var(--zw-line); background: #fff;
  font-family: var(--font-sans); font-weight: 600; font-size: 13px; color: var(--zw-ink-2);
  padding: 7px 14px; border-radius: 999px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px; text-decoration: none;
  transition: background 160ms, color 160ms, border-color 160ms;
}
.sl-chip:hover { border-color: var(--zw-blue-300); color: var(--zw-ink); }
.sl-chip.is-on { background: var(--zw-blue-700); border-color: var(--zw-blue-700); color: #fff; }
.sl-chip__count { font-family: var(--font-mono); font-weight: 500; opacity: 0.7; font-size: 11px; margin-left: 4px; }
.sl-chip.is-on .sl-chip__count { opacity: 0.85; }
.sl-chip--clear { color: var(--zw-ink-3); border-style: dashed; padding: 7px 12px; }
.sl-chip--clear:hover { color: var(--zw-blue-700); border-color: var(--zw-blue-700); background: var(--zw-blue-50); }

.sl-toolbar__sort {
  display: flex; align-items: center; gap: 8px; margin-left: auto;
  font-size: 13px; color: var(--zw-ink-3); white-space: nowrap;
}
.sl-toolbar__sort select {
  font-family: var(--font-sans); font-size: 13px; font-weight: 600;
  border: 0; background: transparent; color: var(--zw-blue-700);
  padding: 4px 0; cursor: pointer; outline: none;
}

/* ============================================================
   SECTION HEADINGS
   ============================================================ */
.sl-section { padding: 48px 0 12px; }
.sl-section__head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 24px;
  padding-bottom: 18px;
  border-bottom: 2px solid var(--zw-blue-700);
  margin-bottom: 24px;
}
.sl-section__h {
  font-family: var(--font-display); font-weight: 900; font-size: 32px;
  letter-spacing: -0.02em; color: var(--zw-blue-700); margin: 0; line-height: 1;
}
.sl-section__count { font-family: var(--font-mono); font-size: 13px; color: var(--zw-ink-3); }
.sl-section__headLeft { display: flex; align-items: flex-end; gap: 14px; }

/* ============================================================
   SWAP CARDS
   ============================================================ */
.sl-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
@media (max-width: 1100px) { .sl-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 820px)  { .sl-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px)  { .sl-grid { grid-template-columns: 1fr; } }

.sl-card {
  background: #fff; border-radius: 18px; overflow: hidden;
  border: 1px solid var(--zw-line);
  display: flex; flex-direction: column;
  text-align: left; padding: 0;
  cursor: pointer; font-family: var(--font-sans); text-decoration: none;
  transition: box-shadow 220ms, transform 220ms, border-color 220ms;
}
.sl-card:hover { box-shadow: 0 4px 12px rgba(15,26,38,0.08), 0 2px 4px rgba(15,26,38,0.04); transform: translateY(-3px); }

.sl-card__pic {
  aspect-ratio: 4/3; position: relative; display: grid; place-items: center;
  overflow: hidden;
}
.sl-card__pic--default {
  background: linear-gradient(135deg, #fbfaf6 0%, #f0ebe0 100%);
}
.sl-card__pic--default::before {
  content: "";
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(135deg, rgba(15,26,38,0.04) 0 12px, transparent 12px 24px);
  pointer-events: none;
}
.sl-card__pic img { width: 100%; height: 100%; object-fit: cover; }
.sl-card__pic-icon {
  color: rgba(15,26,38,0.18); position: relative; z-index: 1;
}

.sl-card__pic-bookmark {
  position: absolute; top: 12px; right: 12px; z-index: 2;
  width: 32px; height: 32px; border-radius: 999px; border: 0;
  background: rgba(255,255,255,0.92);
  display: grid; place-items: center; cursor: pointer;
  color: var(--zw-blue-700);
  transition: background 160ms, color 160ms, transform 160ms;
  text-decoration: none;
}
.sl-card__pic-bookmark:hover { background: #fff; transform: scale(1.05); }
.sl-card__pic-bookmark.is-on { background: var(--zw-green-600); color: #04301f; }

.sl-card__body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.sl-card__instead {
  font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--zw-ink-3);
}
.sl-card__instead span { color: var(--zw-ink); }
.sl-card__title {
  font-family: var(--font-sans); font-weight: 700; font-size: 18px;
  color: var(--zw-ink); margin: 0; letter-spacing: -0.01em; line-height: 1.2;
}
.sl-card__sub {
  font-size: 13px; color: var(--zw-ink-2); margin: -4px 0 4px; line-height: 1.45;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* impact strip */
.sl-impact { display: flex; align-items: center; gap: 14px; margin-top: auto; padding-top: 12px; border-top: 1px solid var(--zw-line-2); }

.sl-impact__price { display: flex; flex-direction: column; gap: 3px; }
.sl-impact__price-lbl {
  font-size: 10px; color: var(--zw-ink-3); letter-spacing: 0.08em;
  text-transform: uppercase; font-weight: 700;
}
.sl-impact__price-val {
  font-family: var(--font-display); font-weight: 900; font-size: 20px;
  color: var(--zw-blue-700); line-height: 1; letter-spacing: -0.02em;
}

.sl-impact-bar { display: flex; gap: 3px; margin-left: auto; }
.sl-impact-bar__seg { width: 8px; height: 18px; border-radius: 2px; background: var(--zw-surface-3); }
.sl-impact-bar__seg.is-on { background: var(--zw-green-600); }

.sl-card__meta {
  display: flex; align-items: center; gap: 12px;
  font-size: 12px; color: var(--zw-ink-3);
}
.sl-card__meta strong { color: var(--zw-ink-2); font-weight: 700; }

/* ============================================================
   DETAIL PAGE
   ============================================================ */
.sl-detail__crumbs {
  display: flex; align-items: center; gap: 8px; padding: 18px 0 0;
  font-size: 13px; color: var(--zw-ink-3); flex-wrap: wrap;
}
.sl-detail__crumbs a {
  color: var(--zw-blue-700); text-decoration: none; font-weight: 600;
}
.sl-detail__crumbs a:hover { text-decoration: underline; }
.sl-detail__crumbs .sep { color: var(--zw-line); }

.sl-detail__head {
  padding: 24px 0 40px;
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: center;
}
.sl-detail__copy { padding-top: 4px; }
.sl-detail__h1 {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(36px, 4.4vw, 56px); line-height: 1;
  letter-spacing: -0.025em; color: var(--zw-blue-700);
  margin: 12px 0 14px; text-wrap: balance;
}
.sl-detail__instead {
  font-size: 12px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--zw-ink-3); margin: 0 0 4px;
}
.sl-detail__instead span { color: var(--zw-ink); }
.sl-detail__lede { font-size: 16px; line-height: 1.55; color: var(--zw-ink-2); max-width: 52ch; margin: 0 0 22px; }
.sl-detail__actions { display: flex; gap: 10px; margin-bottom: 24px; flex-wrap: wrap; }
.sl-detail__keystat {
  display: grid; grid-template-columns: repeat(4, auto); gap: 32px;
  padding: 20px 0 0; border-top: 1px solid var(--zw-line-2);
}
.sl-detail__keystat-val {
  font-family: var(--font-display); font-weight: 900; font-size: 28px;
  color: var(--zw-blue-700); line-height: 1; letter-spacing: -0.02em;
}
.sl-detail__keystat-val em { color: var(--zw-green-600); font-style: normal; font-size: 0.55em; margin-left: 2px; font-weight: 800; }
.sl-detail__keystat-lbl { font-size: 11px; color: var(--zw-ink-3); margin-top: 6px; letter-spacing: 0.05em; text-transform: uppercase; font-weight: 600; }

.sl-detail__pic {
  aspect-ratio: 5/4; border-radius: 22px;
  background: linear-gradient(135deg, #fbfaf6 0%, #f0ebe0 100%);
  display: grid; place-items: center; position: relative; overflow: hidden;
  border: 1px solid var(--zw-line-2);
}
.sl-detail__pic::before {
  content: ""; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(135deg, rgba(15,26,38,0.04) 0 14px, transparent 14px 28px);
}
.sl-detail__pic img { width: 100%; height: 100%; object-fit: cover; border-radius: 22px; }
.sl-detail__pic-icon { color: rgba(15,26,38,0.15); position: relative; z-index: 1; }

/* Alternatives */
.sl-alts { background: var(--zw-paper); padding: 36px 0 56px; border-top: 1px solid var(--zw-line-2); }
.sl-alts__h {
  font-family: var(--font-display); font-weight: 900; font-size: 28px;
  color: var(--zw-blue-700); margin: 0 0 6px; letter-spacing: -0.02em;
}
.sl-alts__meta {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px; gap: 24px; flex-wrap: wrap;
}
.sl-alts__lede { font-size: 14px; color: var(--zw-ink-3); }

.sl-alts__list {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--zw-line); border-radius: 14px;
  overflow: hidden;
}

.sl-alt {
  background: transparent; border: 0; border-radius: 0;
  border-top: 1px solid var(--zw-line-2);
  display: grid;
  grid-template-columns: 36px minmax(0, 1.4fr) 1.1fr auto;
  gap: 22px;
  padding: 18px 22px;
  align-items: center;
  transition: background 200ms;
  text-align: left;
  text-decoration: none;
  color: inherit;
}
.sl-alt:first-child { border-top: 0; }
.sl-alt:hover { background: var(--zw-blue-50); }

.sl-alt__rank {
  width: 32px; height: 32px; border-radius: 999px;
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 900; font-size: 15px;
  color: #fff; background: var(--zw-blue-700);
  letter-spacing: -0.02em; flex-shrink: 0;
}
.sl-alt--best .sl-alt__rank { background: var(--zw-green-600); color: #04301f; }
.sl-alt__main { min-width: 0; }
.sl-alt__title-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }
.sl-alt__title { font-weight: 700; font-size: 16px; color: var(--zw-ink); margin: 0; letter-spacing: -0.005em; }
.sl-alt__copy {
  font-size: 13.5px; color: var(--zw-ink-2); line-height: 1.45; margin: 0;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.sl-alt__meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.sl-alt__meta-cell { display: flex; flex-direction: column; gap: 4px; }
.sl-alt__meta-lbl { font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--zw-ink-3); font-weight: 600; }
.sl-alt__meta-val { font-size: 13.5px; color: var(--zw-ink); font-weight: 600; display: flex; align-items: center; gap: 6px; }

.sl-alt__dots { display: inline-flex; gap: 2px; }
.sl-alt__dots .d { width: 7px; height: 7px; border-radius: 999px; background: var(--zw-surface-3); }
.sl-alt__dots .d.is-on { background: var(--zw-blue-700); }
.sl-alt--best .sl-alt__dots .d.is-on { background: var(--zw-green-600); }

.sl-alt__cta { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }

/* Suggest row */
.sl-suggest {
  margin-top: 18px;
  border: 1.5px dashed var(--zw-line); border-radius: 14px;
  padding: 16px 22px; display: flex; align-items: center; gap: 16px;
  background: rgba(255,255,255,0.5);
}
.sl-suggest__icon { width: 40px; height: 40px; border-radius: 999px; background: var(--zw-blue-100); color: var(--zw-blue-700); display: grid; place-items: center; flex-shrink: 0; }
.sl-suggest__copy { flex: 1; }
.sl-suggest__h { font-weight: 700; font-size: 15px; color: var(--zw-ink); margin: 0 0 2px; }
.sl-suggest__c { font-size: 13px; color: var(--zw-ink-3); margin: 0; }

/* Empty state */
.sl-empty { padding: 80px 32px; text-align: center; }
.sl-empty__h {
  font-family: var(--font-display); font-weight: 900; font-size: 28px;
  color: var(--zw-blue-700); margin: 12px 0 8px; letter-spacing: -0.02em;
}
.sl-empty__p { color: var(--zw-ink-3); margin-bottom: 20px; }

/* Submit-a-swap banner */
.sl-submit-banner {
  padding: 28px 32px; border-radius: 18px; background: var(--zw-paper);
  border: 1px solid var(--zw-line);
  display: flex; align-items: center; gap: 16px;
}
.sl-submit-banner__icon { width: 48px; height: 48px; border-radius: 999px; background: var(--zw-blue-100); color: var(--zw-blue-700); display: grid; place-items: center; flex-shrink: 0; }
.sl-submit-banner__copy { flex: 1; }
.sl-submit-banner__h { font-weight: 700; font-size: 17px; color: var(--zw-ink); margin: 0 0 4px; }
.sl-submit-banner__c { font-size: 14px; color: var(--zw-ink-3); margin: 0; }

/* Rating stars inline */
.sl-stars { display: inline-flex; align-items: center; gap: 2px; }

@media (max-width: 980px) {
  .sl-detail__head { grid-template-columns: 1fr; }
  .sl-alt { grid-template-columns: 36px 1fr; }
  .sl-alt__meta { display: none; }
  .sl-alt__cta { align-items: flex-start; }
  .sl-intro__inner { grid-template-columns: 1fr; }
  .sl-intro__stats { justify-content: flex-start; }
  .sl-detail__keystat { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .sl-container { padding: 0 16px; }
  .sl-section { padding: 32px 0 8px; }
  .sl-section__h { font-size: 24px; }
  .sl-detail__keystat { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .sl-submit-banner { flex-direction: column; text-align: center; }
}