/*
 * ExpressLRS Product Finder
 * All classes prefixed with .pf- to avoid collisions
 */

/* ==========================================================================
   Page Layout
   ========================================================================== */

.pf-main {
  background-color: var(--md-default-bg-color);
  padding: 1.5rem 0 4rem;
}

.pf-main > .md-grid {
  padding-left: 0.8rem;
  padding-right: 0.8rem;
}

/* ==========================================================================
   Page Heading
   ========================================================================== */

.pf-heading {
  margin-bottom: 1.25rem;
}

.pf-heading h1 {
  margin-bottom: 0.25rem;
}

.pf-heading p {
  margin: 0;
  color: var(--md-default-fg-color--light);
}

#pf-stats {
  font-weight: 600;
  color: var(--md-default-fg-color);
}

/* ==========================================================================
   Two-Column Layout
   ========================================================================== */

.pf-layout {
  display: grid;
  grid-template-columns: 13.5rem 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media screen and (max-width: 59.9375em) {
  .pf-layout {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Filters Sidebar
   ========================================================================== */

.pf-filters {
  padding: 1rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.5rem;
  position: sticky;
  top: 1.5rem;
}

.pf-filters__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.pf-filters__header h2 {
  margin: 0;
}

.pf-filters__grid {
  display: grid;
  gap: 0.6rem;
}

/* Stats tooltip */

.pf-stats-wrap {
  position: relative;
  display: inline;
}

.pf-stats-trigger {
  font-weight: 600;
  color: var(--md-default-fg-color);
  cursor: default;
  border-bottom: 1px dashed var(--md-default-fg-color--light);
}

.pf-stats-popover {
  display: none;
  position: absolute;
  left: 0;
  top: calc(100% + 0.5rem);
  z-index: 10;
  width: min(22rem, 80vw);
  padding: 0;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.5rem;
  background: var(--md-default-bg-color);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  overflow: hidden;
}

/* Mobile: show as centered modal with backdrop */
@media screen and (max-width: 59.9375em) {
  .pf-stats-wrap.pf-stats-open .pf-stats-popover {
    display: block;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(24rem, calc(100vw - 2rem));
    z-index: 100;
  }

  .pf-stats-wrap.pf-stats-open::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 99;
    background: rgba(0, 0, 0, 0.5);
  }
}

.pf-stats-wrap.pf-stats-open .pf-stats-popover {
  display: block;
}

@media (hover: hover) {
  .pf-stats-wrap:hover .pf-stats-popover {
    display: block;
  }
}

.pf-stats-popover__title {
  margin: 0;
  padding: 0.6rem 0.75rem;
  background: linear-gradient(45deg, #9dc66b 5%, #4fa49a 30%, #4361c2);
  color: #fff !important;
  font-size: 0.82rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pf-stats-popover__close {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  opacity: 0.8;
}

.pf-stats-popover__close:hover {
  opacity: 1;
}

@media screen and (max-width: 59.9375em) {
  .pf-stats-popover__close {
    display: block;
  }
}

.pf-stats-section {
  padding: 0 0.75rem;
}

.pf-stats-section:first-of-type {
  padding-top: 0.65rem;
}

.pf-stats-section:last-of-type {
  padding-bottom: 0.75rem;
}

.pf-stats-section + .pf-stats-section {
  margin-top: 0.5rem;
}

.pf-stats-title {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--md-default-fg-color--light);
  margin: 0 0 0.3rem;
}

.pf-stats-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.pf-stat-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.15rem 0.45rem;
  font-size: 0.65rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 1rem;
  white-space: nowrap;
  color: var(--md-default-fg-color);
}

.pf-stat-chip__count {
  font-weight: 700;
  padding-left: 0.3rem;
  border-left: 1px solid var(--md-default-fg-color--lightest);
}

/* Field styling */

.pf-field {
  display: grid;
  gap: 0.15rem;
}

.pf-field label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--md-default-fg-color--light);
}

.pf-field input,
.pf-field select {
  width: 100%;
  padding: 0.38rem 0.5rem;
  font-size: 0.78rem;
  font-family: inherit;
  color: var(--md-default-fg-color);
  background: var(--md-default-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.3rem;
  outline: none;
  transition: border-color 0.15s;
  box-sizing: border-box;
}

.pf-field input:focus,
.pf-field select:focus {
  border-color: var(--md-primary-fg-color);
}

.pf-field select:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* Reset button */

.pf-btn-reset {
  padding: 0.3rem 0.7rem;
  font-size: 0.72rem;
  font-weight: 600;
  font-family: inherit;
  color: var(--md-primary-fg-color);
  background: transparent;
  border: 1px solid var(--md-primary-fg-color);
  border-radius: 0.3rem;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s;
  white-space: nowrap;
}

.pf-btn-reset:hover {
  background: var(--md-primary-fg-color);
  color: #fff;
}

/* ==========================================================================
   Active Filter Chips
   ========================================================================== */

.pf-active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.pf-active-filters:empty {
  display: none;
  margin: 0;
}

.pf-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.55rem;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 1rem;
  background: rgba(73, 107, 184, 0.1);
  color: var(--md-primary-fg-color);
  white-space: nowrap;
}

.pf-chip__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 0.9rem;
  height: 0.9rem;
  padding: 0;
  margin: 0;
  font-size: 0.85rem;
  line-height: 1;
  border: none;
  background: none;
  color: inherit;
  cursor: pointer;
  border-radius: 50%;
  opacity: 0.6;
}

.pf-chip__close:hover {
  opacity: 1;
}

/* ==========================================================================
   Summary
   ========================================================================== */

.pf-summary {
  font-size: 0.8rem;
  color: var(--md-default-fg-color--light);
  margin: 0 0 0.75rem;
}

.pf-summary:empty {
  display: none;
}

/* ==========================================================================
   Results — Vendor Groups
   ========================================================================== */

.pf-vendor-group {
  margin-bottom: 1.75rem;
}

.pf-vendor-heading {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.6rem !important;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
}

.pf-vendor-count {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.1rem 0.45rem;
  border-radius: 1rem;
  background: var(--md-default-fg-color--lightest);
  color: var(--md-default-fg-color--light);
}

/* ==========================================================================
   Product Cards
   ========================================================================== */

.pf-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.65rem;
}

.pf-card {
  display: grid;
  gap: 0.6rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.5rem;
  transition: transform 0.15s, box-shadow 0.15s;
}


.pf-card--rx {
  border-left: 3px solid rgba(73, 107, 184, 0.5);
}

.pf-card--tx {
  border-left: 3px solid rgba(159, 199, 111, 0.6);
}

.pf-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.pf-card__vendor {
  margin: 0;
  font-size: 0.68rem;
  color: var(--md-default-fg-color--light);
}

.pf-card__name {
  margin: 0.1rem 0 0 !important;
  font-size: 0.85rem !important;
  font-weight: 600;
  line-height: 1.25;
}

.pf-card__badge {
  flex-shrink: 0;
  padding: 0.15rem 0.45rem;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 1rem;
  white-space: nowrap;
}

.pf-card--rx .pf-card__badge {
  background: rgba(73, 107, 184, 0.12);
  color: var(--md-primary-fg-color);
}

.pf-card--tx .pf-card__badge {
  background: rgba(159, 199, 111, 0.15);
  color: #4c7c23;
}

/* Spec pills */

.pf-card__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.pf-pill {
  display: inline-flex;
  gap: 0.3rem;
  align-items: baseline;
  padding: 0.2rem 0.45rem;
  border-radius: 0.3rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  font-size: 0.65rem;
  white-space: nowrap;
}

.pf-pill__label {
  color: var(--md-default-fg-color--light);
}

.pf-pill__value {
  font-weight: 700;
  color: var(--md-default-fg-color);
}

/* Empty state */

.pf-empty {
  padding: 2rem;
  border: 1px dashed var(--md-default-fg-color--lightest);
  border-radius: 0.5rem;
  text-align: center;
  color: var(--md-default-fg-color--light);
  font-size: 0.85rem;
}

/* ==========================================================================
   Light Theme Overrides
   ========================================================================== */

[data-md-color-scheme="default"] .pf-filters {
  background: #fff;
}

[data-md-color-scheme="default"] .pf-card {
  background: #fff;
}

[data-md-color-scheme="default"] .pf-main {
  background-color: #f8f8f6;
}

/* ==========================================================================
   Dark (Slate) Theme Overrides
   ========================================================================== */

[data-md-color-scheme="slate"] .pf-card--rx .pf-card__badge {
  background: rgba(95, 139, 243, 0.15);
  color: #8ab4ff;
}

[data-md-color-scheme="slate"] .pf-card--tx .pf-card__badge {
  background: rgba(166, 207, 116, 0.15);
  color: #b5db7e;
}

[data-md-color-scheme="slate"] .pf-chip {
  background: rgba(95, 139, 243, 0.12);
  color: #8ab4ff;
}

[data-md-color-scheme="slate"] .pf-card--rx {
  border-left-color: rgba(95, 139, 243, 0.5);
}

[data-md-color-scheme="slate"] .pf-card--tx {
  border-left-color: rgba(166, 207, 116, 0.5);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media screen and (max-width: 59.9375em) {
  .pf-filters {
    position: static;
  }
  .pf-card-grid {
    grid-template-columns: 1fr;
  }
}