/* ============================================================
   renkaat.css: VAIN rengassivun omat tyylit
   Jaetut luokat (header, footer, napit, pillerit, price-tag,
   ribbon, size-code, service-link, reveal) tulevat styles.css:stä.
   Kaikki arvot tokeneista: src/css/tokens.css.
   ============================================================ */

/* ---------- 2 · Hakuhero: kylkimerkintä navyssa ---------- */

.search-hero {
  position: relative;
  overflow: clip;
  /* 76px = jaettu header-korkeus (styles.css .header-inner) */
  padding: calc(76px + clamp(36px, 5.4vw, 64px)) 0 clamp(40px, 5.6vw, 68px);
  background: linear-gradient(178deg, var(--blue-900) 4%, var(--blue-850) 96%);
  border-bottom: 3px solid transparent;
  border-image: var(--accent-flow) 1;
  color: var(--snow);
}

.search-hero-inner {
  position: relative;
}

.search-title {
  margin-top: 22px;
  font-size: var(--fs-h2);
  font-weight: 700;
  color: var(--snow);
}

.search-lead {
  max-width: 52ch;
  margin-top: 14px;
  font-size: var(--fs-lead);
  color: var(--snow-soft);
}

.search-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
  margin-top: clamp(30px, 4.4vw, 52px);
}

/* --- Kylkimerkintä-valitsin: jättitypo, selectit osana merkintää --- */

.sidewall {
  display: flex;
  align-items: flex-start;
  gap: clamp(6px, 1.4vw, 16px);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-hero);
  line-height: var(--lh-tight);
  font-variant-numeric: tabular-nums;
}

.sw-field {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.sw-select {
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  border-bottom: 4px solid color-mix(in srgb, var(--orange-hot) 46%, transparent);
  border-radius: var(--r-sm) var(--r-sm) 0 0;
  background: color-mix(in srgb, var(--snow) 4%, transparent);
  color: var(--snow);
  font: inherit;
  line-height: 1.12;
  text-align: center;
  padding: 0.04em 0.06em 0.08em;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  transition:
    border-color var(--dur-fast) var(--ease-out),
    background-color var(--dur-fast) var(--ease-out);
}

.sw-select--leveys {
  width: 1.9em;
}

.sw-select--profiili,
.sw-select--vanne {
  width: 1.4em;
}

.sw-select:hover {
  background: color-mix(in srgb, var(--snow) 9%, transparent);
  border-bottom-color: color-mix(in srgb, var(--orange-hot) 78%, transparent);
}

.sw-select:focus-visible {
  border-bottom-color: var(--orange-hot);
  background: color-mix(in srgb, var(--snow) 9%, transparent);
}

/* Avattu lista OS-tyylinen mutta luettava */
.sw-select option {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
  background: var(--paper);
}

.sw-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-body);
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--snow-faint);
  cursor: pointer;
}

/* Pieni amber-nuoli kertoo että kenttä aukeaa */
.sw-label::after {
  content: "";
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid color-mix(in srgb, var(--orange-hot) 86%, transparent);
}

.sw-sep {
  color: var(--snow-faint);
  user-select: none;
  transform: translateY(0.02em);
}

.sw-sep--r {
  color: var(--snow-soft);
}

/* --- Apuviite + kyljen diagrammi --- */

.sidewall-hint {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.8vw, 22px);
  justify-self: end;
  max-width: 340px;
}

.hint-diagram {
  flex: 0 0 auto;
  width: clamp(88px, 9vw, 124px);
  height: auto;
  overflow: visible;
}

.hint-tire-body {
  fill: var(--hint-tire-rubber);
  stroke: var(--hint-tire-outline);
  stroke-width: 3;
}

.hint-sidewall {
  fill: none;
  stroke: var(--hint-tire-sidewall);
  stroke-width: 2;
}

.hint-rim {
  fill: var(--hint-rim-fill);
  stroke: var(--hint-tire-outline);
  stroke-width: 2;
}

.hint-spokes {
  fill: var(--hint-spoke);
}

.hint-hub {
  fill: var(--hint-highlight);
  stroke: var(--hint-tire-rubber);
  stroke-width: 3;
}

.hint-hub-core {
  fill: var(--hint-hub-core);
}

.hint-text {
  font-size: var(--fs-small);
  color: var(--snow-soft);
  line-height: 1.55;
}

.hint-text strong {
  color: var(--snow);
}

/* --- Kausi-segmentti + merkki-select --- */

.search-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 22px;
  margin-top: clamp(26px, 3.6vw, 40px);
}

.season-seg {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  margin: 0;
  border: 1px solid color-mix(in srgb, var(--snow) 22%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--snow) 5%, transparent);
}

.season-seg input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.season-seg label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 clamp(14px, 1.8vw, 22px);
  border-radius: 999px;
  color: var(--snow-soft);
  font-size: var(--fs-small);
  font-weight: 700;
  cursor: pointer;
  transition:
    background-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out);
}

.season-seg label svg {
  width: 18px;
  height: 18px;
}

.season-seg label:hover {
  color: var(--snow);
  background: color-mix(in srgb, var(--snow) 9%, transparent);
}

/* Valittu kausi: amber-pinta + --ink-teksti (kontrastisääntö) */
.season-seg input:checked + label {
  background: var(--accent-surface);
  color: var(--ink);
}

.season-seg input:focus-visible + label {
  outline: 2px solid var(--orange-hot);
  outline-offset: 2px;
}

.filter-field {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.filter-label {
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--snow-faint);
}

.filter-label--light {
  color: var(--ink-faint);
}

/* Select-kuori: oma caret molempiin teemoihin */
.select-wrap {
  position: relative;
  display: inline-flex;
}

.select-wrap::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 50%;
  translate: 0 -30%;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  pointer-events: none;
}

.select-wrap--dark::after {
  border-top: 6px solid color-mix(in srgb, var(--orange-hot) 88%, transparent);
}

.select-wrap--light::after {
  border-top: 6px solid var(--blue-700);
}

.brand-select,
.sort-select {
  appearance: none;
  -webkit-appearance: none;
  min-height: 44px;
  padding: 0 42px 0 16px;
  border-radius: var(--r-sm);
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 500;
  cursor: pointer;
  transition:
    border-color var(--dur-fast) var(--ease-out),
    background-color var(--dur-fast) var(--ease-out);
}

.brand-select {
  border: 1px solid color-mix(in srgb, var(--snow) 30%, transparent);
  background: color-mix(in srgb, var(--snow) 6%, transparent);
  color: var(--snow);
}

.brand-select:hover {
  border-color: color-mix(in srgb, var(--snow) 55%, transparent);
  background: color-mix(in srgb, var(--snow) 10%, transparent);
}

.brand-select option {
  color: var(--ink);
  background: var(--paper);
}

/* ---------- 3 · Tulospalkki (sticky hakuheron alla) ---------- */

.results-bar {
  position: sticky;
  /* 76px = jaettu header-korkeus */
  top: 76px;
  z-index: 60;
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.results-bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
  padding: 12px 0;
}

.results-count {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

.results-count::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent-flow);
  transform: rotate(45deg);
}

.sort-field {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.sort-select {
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
}

.sort-select:hover {
  border-color: color-mix(in srgb, var(--blue-800) 45%, transparent);
  background: var(--blue-50);
}

/* ---------- 4 · Tuloskortit ---------- */

.section-results {
  background: var(--surface);
  padding-top: clamp(36px, 5vw, 56px);
}

.tyre-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap-grid);
  align-items: stretch;
  transition: opacity var(--dur-fast) var(--ease-out);
}

/* Kevyt fade suodatuksessa (renkaat.js togglaa, max 200 ms) */
.tyre-grid.is-swapping {
  opacity: 0;
}

/* Author-display voittaisi UA:n [hidden]-säännön: pakotetaan piiloon */
.tyre-grid[hidden],
.empty-state[hidden] {
  display: none;
}

/* Navy-hakuherossa blue-fokus ei erotu: amber-fokus */
.search-hero :focus-visible {
  outline-color: var(--orange-hot);
}

.tyre-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 28px);
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  transition:
    transform var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out);
}

@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .tyre-card:hover {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--orange-hot) 42%, var(--line));
    box-shadow: var(--shadow-lift);
  }
}

/* Suosituin valinta: jaettu .ribbon tarvitsee tilaa yläreunaan */
.tyre-card--featured {
  border-color: color-mix(in srgb, var(--orange-hot) 48%, var(--line));
  box-shadow: var(--shadow-lift);
  padding-top: clamp(58px, 6vw, 64px);
}

.tyre-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.tyre-season {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--blue-700);
}

.tyre-season svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.tyre-class {
  padding: 4px 11px;
  border-radius: 999px;
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  white-space: nowrap;
}

.tyre-class--premium {
  background: var(--blue-800);
  color: var(--snow);
}

.tyre-class--keskitaso {
  background: var(--blue-100);
  color: var(--blue-800);
}

.tyre-class--edullinen {
  background: var(--surface-2);
  color: var(--ink-soft);
  border: 1px solid var(--line);
}

.tyre-name {
  font-size: var(--fs-h3);
  font-weight: 700;
}

.tyre-size {
  color: var(--ink-soft);
  font-size: var(--fs-small);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.tyre-desc {
  flex: 1;
  color: var(--ink-soft);
  font-size: var(--fs-small);
}

/* Vianor-hintaporras: kpl pienenä, sarja asennettuna pääpainona */
.tyre-pricing {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.tyre-unit {
  color: var(--ink-faint);
  font-size: var(--fs-small);
  font-variant-numeric: tabular-nums;
}

.tyre-card .price-tag {
  align-self: stretch;
  justify-content: space-between;
}

.tyre-call {
  margin-top: 12px;
  width: 100%;
}

.tyre-card--fallback {
  grid-column: 1 / -1;
  max-width: 560px;
  margin-inline: auto;
  text-align: center;
  align-items: center;
}

/* ---------- 5 · Tyhjätila ---------- */

.empty-state {
  max-width: 58ch;
  margin-inline: auto;
  padding: clamp(36px, 6vw, 64px) 20px;
  text-align: center;
}

.empty-icon {
  width: 64px;
  height: 64px;
  margin-inline: auto;
  color: var(--blue-700);
  opacity: 0.55;
}

.empty-size {
  margin-top: 18px;
  color: var(--ink-faint);
  font-size: var(--fs-small);
}

/* size-code tummana valoisalla pinnalla (jaettu versio on amber tummalle) */
.size-code--ink {
  background-image: none;
  color: var(--blue-800);
  -webkit-text-fill-color: currentColor;
  border-color: color-mix(in srgb, var(--blue-800) 45%, transparent);
}

.empty-title {
  margin-top: 14px;
  font-size: var(--fs-h2);
  font-weight: 700;
}

.empty-text {
  margin: 14px 0 26px;
  color: var(--ink-soft);
  font-size: var(--fs-lead);
}

/* ---------- 6 · Info-kaista ---------- */

.section-tyre-info {
  background: linear-gradient(180deg, var(--surface) 0%, var(--paper) 100%);
  padding-top: clamp(40px, 5.6vw, 72px);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap-grid);
}

.info-tile {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(20px, 2.4vw, 28px);
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-card);
}

.info-tile::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: var(--accent-flow);
}

.info-title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

.info-desc {
  color: var(--ink-soft);
  font-size: var(--fs-small);
  flex: 1;
}

.info-footnote {
  margin-top: 18px;
  color: var(--ink-faint);
  font-size: var(--fs-small);
}

/* ---------- Hero-sisääntulo (pelkkä CSS: toimii aina) ---------- */

@media (prefers-reduced-motion: no-preference) {
  .search-head > *,
  .search-hero-grid,
  .search-filters {
    animation: tyre-hero-in var(--dur-slow) var(--ease-out) both;
  }

  .search-title {
    animation-delay: 60ms;
  }

  .search-lead {
    animation-delay: 120ms;
  }

  .search-hero-grid {
    animation-delay: 200ms;
  }

  .search-filters {
    animation-delay: 300ms;
  }
}

@keyframes tyre-hero-in {
  from {
    opacity: 0;
    transform: translateY(var(--reveal-rise));
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Responsiivisuus ---------- */

@media (max-width: 960px) {
  .search-hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: clamp(20px, 4vw, 32px);
  }

  .sidewall-hint {
    justify-self: start;
    max-width: 420px;
  }

  .tyre-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .tyre-grid,
  .info-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .results-bar-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 10px 0 12px;
  }

  .search-filters {
    align-items: stretch;
    flex-direction: column;
  }

  .season-seg {
    justify-content: space-between;
  }

  .season-seg label {
    flex: 1;
    justify-content: center;
    padding: 0 8px;
  }

  .filter-field {
    justify-content: space-between;
  }

  .select-wrap--dark {
    flex: 1;
  }

  .brand-select {
    width: 100%;
  }

  .empty-state .btn {
    width: 100%;
  }
}

/* 375 px: kylkimerkintä skaalautuu clampilla, ei vaakascrollia */
@media (max-width: 420px) {
  .sidewall {
    gap: 5px;
  }

  .sidewall-hint {
    flex-direction: row;
    gap: 12px;
  }

  .hint-diagram {
    width: 72px;
  }
}