/* ─── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  line-height: 1;
  white-space: nowrap;
  transition:
    background var(--t-fast),
    color var(--t-fast),
    border-color var(--t-fast),
    box-shadow var(--t-fast),
    transform var(--t-fast);
}

.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn:not(:disabled):active { transform: translateY(0) !important; }

/* Primary — pill-shaped, accent red */
.btn-primary {
  background: var(--c-accent);
  color: #fff;
  border-radius: var(--r-full);
}
.btn-primary:hover:not(:disabled) {
  background: var(--c-accent-dk);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* Secondary — bordered, rectangular */
.btn-secondary {
  background: var(--c-surface);
  color: var(--c-text);
  border: 1.5px solid var(--c-border);
}
.btn-secondary:hover:not(:disabled) {
  border-color: var(--c-border-strong);
  background: var(--c-surface-2);
}

/* Ghost — minimal, for navigation-level actions */
.btn-ghost {
  color: var(--c-muted);
  padding: var(--sp-2) var(--sp-3);
}
.btn-ghost:hover:not(:disabled) {
  color: var(--c-text);
  background: var(--c-surface-2);
  border-radius: var(--r-sm);
}

/* Large size modifier */
.btn-lg {
  padding: var(--sp-4) var(--sp-8);
  font-size: var(--fs-md);
}

/* btn-primary + btn-lg stays pill */
.btn-primary.btn-lg { border-radius: var(--r-full); }

/* ─── Chip (multi-select filter) ──────────────────────────────────────────── */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--r-full);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  border: 1.5px solid var(--c-border);
  background: var(--c-surface);
  color: var(--c-muted);
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast), transform var(--t-fast);
  user-select: none;
}
.chip:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  background: var(--c-accent-bg);
}
.chip:active { transform: scale(.97); }

.chip.active {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
  font-weight: var(--fw-semibold);
}
.chip.active:hover {
  background: var(--c-accent-dk);
  border-color: var(--c-accent-dk);
  color: #fff;
}

/* ─── Badge ───────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  line-height: 1.4;
}
.badge-road   { background: var(--c-road-bg);   color: var(--c-road); }
.badge-gravel { background: var(--c-gravel-bg); color: var(--c-gravel); }
.badge-mtb    { background: var(--c-mtb-bg);    color: var(--c-mtb); }

/* ─── Bike card ───────────────────────────────────────────────────────────── */
.bike-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  /* Default 3px left border — overridden by category selectors below */
  border-left: 3px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition:
    box-shadow var(--t-base),
    transform var(--t-base),
    border-color var(--t-base);
}

/* Category left-border accent — uses :has() to detect badge class */
.bike-card:has(.badge-road)   { border-left-color: var(--c-road); }
.bike-card:has(.badge-gravel) { border-left-color: var(--c-gravel); }
.bike-card:has(.badge-mtb)    { border-left-color: var(--c-mtb); }

@media (prefers-reduced-motion: no-preference) {
  .bike-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
  }
}
/* Shadow always applies, even without motion */
.bike-card:hover { box-shadow: var(--shadow-card-hover); }

/* Image area */
.bike-card__image-wrap {
  position: relative;
  aspect-ratio: 3/2;
  background: var(--c-surface-2);
  overflow: hidden;
  flex-shrink: 0;
}

.bike-card__image-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--t-base);
}

@media (prefers-reduced-motion: no-preference) {
  .bike-card:hover .bike-card__image-wrap img { transform: scale(1.05); }
}

.bike-card__img-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  color: var(--c-muted-light);
  background: var(--c-surface-2);
}

/* Compare checkbox — top-right of image */
.bike-card__compare {
  position: absolute;
  top: var(--sp-3);
  right: var(--sp-3);
  width: 28px; height: 28px;
  border-radius: var(--r-sm);
  border: 1.5px solid rgba(255,255,255,.85);
  background: rgba(255,255,255,.90);
  box-shadow: var(--shadow-xs);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast);
  -webkit-appearance: none;
  appearance: none;
  flex-shrink: 0;
}

.bike-card__compare:hover {
  border-color: var(--c-accent);
  background: rgba(255,255,255,.98);
}

.bike-card__compare:checked {
  background: var(--c-accent);
  border-color: var(--c-accent);
}

.bike-card__compare:checked::after {
  content: '';
  display: block;
  width: 11px; height: 11px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 11 11'%3E%3Cpath d='M1.5 6L4 8.5 9.5 2' stroke='white' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* Category badge overlay */
.bike-card__badge {
  position: absolute;
  top: var(--sp-3);
  left: var(--sp-3);
}

/* Card body */
.bike-card__body {
  padding: var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  flex: 1;
}

.bike-card__brand {
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--c-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1;
}

.bike-card__model {
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--c-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.bike-card__price {
  font-size: var(--fs-xl);
  font-weight: var(--fw-black);
  letter-spacing: -0.02em;
  color: var(--c-accent);
  line-height: 1;
}

/* Specs bar at card bottom */
.bike-card__specs {
  display: flex;
  gap: var(--sp-5);
  margin-top: auto;
  padding-top: var(--sp-4);
  border-top: 1px solid var(--c-border);
}

.bike-card__spec {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.bike-card__spec-label {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--c-muted);
}

.bike-card__spec-value {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--c-text);
}

/* ─── Filter panel ────────────────────────────────────────────────────────── */
.filter-group {
  margin-bottom: var(--sp-6);
  padding-bottom: var(--sp-6);
  border-bottom: 1px solid var(--c-border);
}
.filter-group:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.filter-group__label {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--c-muted);
  margin-bottom: var(--sp-3);
}

.filter-group__chips { display: flex; flex-wrap: wrap; gap: var(--sp-2); }

/* Tooltip */
.tooltip-icon {
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 1px solid var(--c-border-strong);
  color: var(--c-muted);
  font-size: 10px;
  font-weight: var(--fw-bold);
  display: inline-flex; align-items: center; justify-content: center;
  cursor: help;
  position: relative;
  flex-shrink: 0;
  font-style: normal;
}

.tooltip-icon::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--c-navy);
  color: #fff;
  font-size: var(--fs-xs);
  font-weight: var(--fw-normal);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-sm);
  white-space: normal;
  text-align: center;
  width: max-content;
  max-width: 200px;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--t-fast);
  z-index: 50;
  line-height: 1.4;
  letter-spacing: 0;
  text-transform: none;
}
.tooltip-icon:hover::after { opacity: 1; }

/* Range slider */
.range-wrap { padding: var(--sp-2) 0; }
.range-labels {
  display: flex;
  justify-content: space-between;
  font-size: var(--fs-sm);
  color: var(--c-muted);
  margin-top: var(--sp-2);
}

input[type=range] {
  -webkit-appearance: none;
  width: 100%;
  height: 5px;
  border-radius: 3px;
  background: var(--c-border);
  outline: none;
  cursor: pointer;
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--c-accent);
  cursor: pointer;
  border: 3px solid #fff;
  box-shadow: var(--shadow-sm);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}

input[type=range]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: var(--shadow-md);
}

input[type=range]::-moz-range-thumb {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--c-accent);
  cursor: pointer;
  border: 3px solid #fff;
  box-shadow: var(--shadow-sm);
}

/* Select */
.filter-select {
  width: 100%;
  padding: var(--sp-2) var(--sp-3);
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-sm);
  font: inherit;
  font-size: var(--fs-sm);
  color: var(--c-text);
  background: var(--c-surface);
  cursor: pointer;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%236a6a66' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--sp-3) center;
  padding-right: var(--sp-8);
}

.filter-select:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(230, 57, 70, .12);
}

/* Active filter tags bar */
.active-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) 0;
}

.active-filter-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-1) var(--sp-3);
  background: var(--c-accent-bg);
  color: var(--c-accent-dk);
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  border: 1px solid rgba(230, 57, 70, .15);
}

.active-filter-tag button {
  width: 14px; height: 14px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--c-accent-dk);
  font-size: 12px;
  line-height: 1;
  transition: background var(--t-fast);
}
.active-filter-tag button:hover {
  background: rgba(196, 39, 47, .18);
}

/* ─── Comparator tray ─────────────────────────────────────────────────────── */
.compare-tray {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--c-navy);
  border-top: 1px solid rgba(255,255,255,.08);
  box-shadow: var(--shadow-tray);
  z-index: 200;
  padding: var(--sp-3) var(--sp-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  transform: translateY(100%);
  transition: transform var(--t-spring);
}

.compare-tray.visible { transform: translateY(0); }

.compare-tray__bikes {
  display: flex;
  gap: var(--sp-3);
  align-items: center;
}

.compare-tray__thumb {
  position: relative;
  width: 60px; height: 40px;
  border-radius: var(--r-sm);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.15);
  background: rgba(255,255,255,.08);
  flex-shrink: 0;
}

.compare-tray__thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.compare-tray__thumb-remove {
  position: absolute;
  top: -4px; right: -4px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--c-danger);
  color: #fff;
  font-size: 11px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-xs);
  transition: background var(--t-fast), transform var(--t-fast);
}
.compare-tray__thumb-remove:hover {
  background: #a82020;
  transform: scale(1.1);
}

.compare-tray__slot {
  width: 60px; height: 40px;
  border: 1.5px dashed rgba(255,255,255,.25);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.35);
  font-size: var(--fs-xs);
  flex-shrink: 0;
}

/* ─── Dialog / modal ──────────────────────────────────────────────────────── */
dialog::backdrop {
  background: rgba(13, 27, 42, .55);
  backdrop-filter: blur(4px);
}

.modal {
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-xl);
  width: min(680px, calc(100vw - 32px));
  max-height: calc(100vh - 64px);
  overflow-y: auto;
  background: var(--c-surface);
}

.modal__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: var(--sp-5) var(--sp-6);
  border-bottom: 1px solid var(--c-border);
  position: sticky;
  top: 0;
  background: var(--c-surface);
  z-index: 1;
}

.modal__header h3 {
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-tight);
  line-height: var(--lh-snug);
}

.modal__close {
  width: 32px; height: 32px;
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-muted);
  font-size: 18px;
  flex-shrink: 0;
  transition: background var(--t-fast), color var(--t-fast);
}
.modal__close:hover {
  background: var(--c-surface-2);
  color: var(--c-text);
}

.modal__body { padding: var(--sp-6); }

/* ─── Empty state ─────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: var(--sp-20) var(--sp-6);
  color: var(--c-muted);
}

.empty-state__icon {
  font-size: 56px;
  width: 88px; height: 88px;
  border-radius: 50%;
  background: var(--c-surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--sp-6);
}

.empty-state h3 {
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--c-text);
  margin-bottom: var(--sp-3);
  letter-spacing: var(--ls-tight);
}

.empty-state p {
  font-size: var(--fs-md);
  color: var(--c-muted);
  margin-bottom: var(--sp-6);
  max-width: 380px;
  margin-left: auto;
  margin-right: auto;
  line-height: var(--lh-base);
}