/* ═══════════════════════════════════════════════════
   EV BIKE FILTER SHOWCASE — Autoev Yellow/Dark Theme
   ═══════════════════════════════════════════════════ */

:root {
  --surface:           #0f172a;
  --line:              #243447;
  --evbf-yellow:       #f1c127;
  --evbf-yellow-dark:  #f9c41c;
  --evbf-yellow-light: #ffc95c;
  --evbf-dark:         #0b1220;
  --evbf-dark2:        #222222;
  --evbf-dark3:        #2d2d2d;
  --evbf-dark4:        #3a3a3a;
  --evbf-white:        #ffffff;
  --evbf-off-white:    #1e293b;
  --evbf-text:         #f8fafc;
  --evbf-muted:        #cbd5e1;
  --evbf-border:       var(--line);
  --evbf-radius:       16px;
  --evbf-radius-sm:    10px;
  --evbf-shadow:       0 4px 24px rgba(0,0,0,0.08);
  --evbf-shadow-hover: 0 12px 40px rgba(0,0,0,0.16);
  --evbf-sidebar-w:    300px;
  --evbf-transition:   0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── LAYOUT WRAPPER ─── */
.evbf-showcase-wrap {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  width: 100%;
  
  color: var(--evbf-white);
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px 24px;
  box-sizing: border-box;
  font-family: -apple-system, 'Segoe UI', sans-serif;
}

/* ─────────────────────────────────────────────
   STICKY SIDEBAR
───────────────────────────────────────────── */
.evbf-sidebar {
  width: var(--evbf-sidebar-w);
  flex-shrink: 0;
  position: sticky;
  top: 80px; /* below fixed header */
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--evbf-yellow) transparent;
}

.evbf-sidebar::-webkit-scrollbar { width: 4px; }
.evbf-sidebar::-webkit-scrollbar-track { background: transparent; }
.evbf-sidebar::-webkit-scrollbar-thumb { background: var(--evbf-yellow); border-radius: 2px; }

.evbf-sidebar-inner {
  background: var(--surface);
  border-radius: var(--evbf-radius);
  box-shadow: var(--evbf-shadow);
  overflow: hidden;
  border: 1px solid var(--line);
}

/* Filter Header */
.evbf-filter-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 20px 16px;
  background: var(--evbf-dark);
  color: var(--evbf-white);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.evbf-filter-header svg { color: var(--evbf-yellow); flex-shrink: 0; }
.evbf-filter-header span { flex: 1; }

.evbf-reset-all {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--evbf-yellow);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.evbf-reset-all:hover { background: var(--evbf-yellow); color: var(--evbf-dark); border-color: var(--evbf-yellow); }

/* Filter Groups */
.evbf-filter-group {
  padding: 18px 20px;
  border-bottom: 1px solid var(--evbf-border);
}
.evbf-filter-group:last-of-type { border-bottom: none; }

.evbf-filter-label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--evbf-white);
  margin-bottom: 14px;
}
.evbf-filter-label svg { color: var(--evbf-yellow); }

/* Select */
.evbf-select {
  width: 100%;
  padding: 10px 14px;
  border: 2px solid var(--evbf-border);
  border-radius: var(--evbf-radius-sm);
  font-size: 13px;
  color: var(--evbf-text);
  background: var(--surface);
  cursor: pointer;
  transition: border-color 0.2s;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23f5a623' stroke-width='3'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}
.evbf-select:focus { outline: none; border-color: var(--evbf-yellow); box-shadow: 0 0 0 3px rgba(245,166,35,0.15); }

/* Checkboxes */
.evbf-checkboxes { display: flex; flex-direction: column; gap: 8px; }

.evbf-check-item {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 8px;
  transition: background 0.2s;
  position: relative;
}
.evbf-check-item:hover { background: rgba(245,166,35,0.08); }
.evbf-check-item input[type="checkbox"] { display: none; }

.evbf-checkmark {
  width: 18px;
  height: 18px;
  border: 2px solid var(--evbf-border);
  border-radius: 5px;
  flex-shrink: 0;
  transition: all 0.2s;
  position: relative;
  background: var(--surface);
}
.evbf-check-item input:checked ~ .evbf-checkmark {
  background: var(--evbf-yellow);
  border-color: var(--evbf-yellow);
}
.evbf-check-item input:checked ~ .evbf-checkmark::after {
  content: '';
  position: absolute;
  top: 2px; left: 5px;
  width: 4px; height: 8px;
  border: 2px solid #fff;
  border-top: none; border-left: none;
  transform: rotate(45deg);
}
.evbf-check-label { font-size: 13px; color: var(--evbf-text); flex: 1; font-weight: 500; }
.evbf-cat-count {
  font-size: 10px; font-weight: 700;
  background: var(--evbf-off-white);
  color: var(--evbf-muted);
  padding: 2px 7px; border-radius: 20px;
  border: 1px solid var(--evbf-border);
}

/* Dual Range Sliders */
.evbf-range-display { text-align: center; margin-bottom: 12px; }
.evbf-range-val {
  display: inline-block;
  font-size: 12px; font-weight: 700;
  color: var(--evbf-white);
  background: rgba(15, 23, 42, 0.8);
  padding: 4px 12px; border-radius: 20px;
  border: 1px solid rgba(245,166,35,0.3);
}

.evbf-dual-range {
  position: relative;
  height: 36px;
  padding: 12px 0;
}

.evbf-range-track {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  left: 0; right: 0;
  height: 4px;
  background: var(--evbf-border);
  border-radius: 2px;
  pointer-events: none;
}

.evbf-range-fill {
  position: absolute;
  top: 0; height: 100%;
  background: var(--evbf-yellow);
  border-radius: 2px;
}

.evbf-range {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  pointer-events: none;
  z-index: 2;
}

.evbf-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--evbf-yellow);
  border: 3px solid var(--evbf-white);
  box-shadow: 0 2px 8px rgba(245,166,35,0.5);
  cursor: pointer;
  pointer-events: all;
  transition: transform 0.15s, box-shadow 0.15s;
}
.evbf-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 4px 16px rgba(245,166,35,0.7);
}
.evbf-range::-moz-range-thumb {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--evbf-yellow);
  border: 3px solid var(--evbf-white);
  box-shadow: 0 2px 8px rgba(245,166,35,0.5);
  cursor: pointer;
  pointer-events: all;
}

/* Apply Button */
.evbf-apply-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: calc(100% - 40px);
  margin: 20px;
  padding: 14px 20px;
  background: var(--evbf-yellow);
  color: var(--evbf-dark);
  border: none;
  border-radius: var(--evbf-radius-sm);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 16px rgba(245,166,35,0.4);
}
.evbf-apply-btn:hover {
  background: var(--evbf-yellow-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245,166,35,0.5);
}
.evbf-apply-btn:active { transform: translateY(0); }

/* ─────────────────────────────────────────────
   MAIN CONTENT AREA
───────────────────────────────────────────── */
.evbf-main {
  flex: 1;
  min-width: 0;
  position: relative;
}

.evbf-topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--evbf-border);
  flex-wrap: wrap;
}

.evbf-result-count {
  font-size: 14px;
  color: var(--evbf-muted);
  font-weight: 500;
}
.evbf-result-count span {
  font-size: 20px;
  font-weight: 800;
  color: var(--evbf-white);
  margin-right: 4px;
}

.evbf-active-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex: 1;
}
.evbf-active-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(15, 23, 42, 0.92);
  border: 1px solid rgba(245,166,35,0.35);
  color: var(--evbf-white);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
}
.evbf-active-tag:hover { background: rgba(245,166,35,0.25); }
.evbf-active-tag svg { color: var(--evbf-yellow); }

/* ─── GRID ─── */
.evbf-grid {
  display: grid;
  gap: 24px;
  position: relative;
}
.evbf-cols-2 { grid-template-columns: repeat(2, 1fr); }
.evbf-cols-3 { grid-template-columns: repeat(3, 1fr); }
.evbf-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* ─────────────────────────────────────────────
   BIKE CARD — Matching Autoev Yellow-Dark Theme
───────────────────────────────────────────── */
.evbf-card {
  background: var(--surface);
  border-radius: var(--evbf-radius);
  overflow: hidden;
  box-shadow: var(--evbf-shadow);
  border: 1px solid var(--line);
  transition: all var(--evbf-transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  position: relative;
}
.evbf-card:hover {
  border-color: var(--card-accent, var(--evbf-yellow));
  box-shadow: var(--evbf-shadow-hover);
  transform: translateY(-6px);
}

/* Image Area */
.evbf-card-image-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  transition: background var(--evbf-transition);
}
.evbf-card-image-wrap::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(247, 198, 0, .12) 1px, transparent 1px), linear-gradient(90deg, rgba(247, 198, 0, .12) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(90deg, #000 0%, #000 64%, transparent 100%);
}
.evbf-card-image-wrap::after{
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 45% 40%, rgba(247, 198, 0, .16), transparent 76%);
}
.evbf-card:hover .evbf-card-image-wrap {
  background: var(--card-accent, var(--evbf-yellow));
}

/* Logo */
.evbf-card-logo {
  position: absolute;
  top: 14px; left: 14px;
  z-index: 3;
  width: 50px; height: 50px;
  border-radius: 10px;
  overflow: hidden;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.evbf-card-logo img { width: 100%; height: 100%; object-fit: contain; padding: 4px; }

/* Badge */
.evbf-card-badge {
  position: absolute;
  top: 14px; right: 14px;
  z-index: 3;
  background: var(--evbf-dark);
  color: var(--evbf-yellow);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.5px;
  padding: 5px 10px;
  border-radius: 6px;
  text-transform: uppercase;
}

/* Main Image */
.evbf-card-img {
  width: 100%; height: 100%;
  object-fit: contain;
  display: block;
  padding: 20px;
  box-sizing: border-box;
  transition: transform var(--evbf-transition);
  position: relative;
  z-index: 1;
}
.evbf-card:hover .evbf-card-img {
  transform: scale(1.08) translateY(-4px);
}

/* Specs Overlay — appears on hover at bottom of image */
.evbf-card-specs-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 2;
  display: flex;
  gap: 4px;
  padding: 12px 12px;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 100%);
  transform: translateY(100%);
  transition: transform var(--evbf-transition);
}
.evbf-card:hover .evbf-card-specs-overlay {
  transform: translateY(0);
}

.evbf-spec-badge {
  flex: 1;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 8px;
  padding: 8px 6px;
  text-align: center;
  min-width: 0;
}
.evbf-spec-val {
  display: block;
  font-size: 13px;
  font-weight: 800;
  color: var(--evbf-white);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.evbf-spec-sub {
  display: block;
  font-size: 9px;
  color: rgba(255,255,255,0.75);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 2px;
}

/* Placeholder */
.evbf-card-img-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ccc;
  background: var(--evbf-off-white);
}

/* Card Body */
.evbf-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.evbf-card-title {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  color: var(--evbf-white);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.evbf-title-badge {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--evbf-yellow);
  background: var(--evbf-dark);
  padding: 3px 8px;
  border-radius: 5px;
  text-transform: uppercase;
}

.evbf-card-tagline {
  margin: 0;
  font-size: 13px;
  color: var(--evbf-muted);
  line-height: 1.5;
  flex: 1;
}

.evbf-card-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: auto;
}
.evbf-price-from {
  font-size: 12px;
  color: var(--evbf-yellow-dark);
  font-weight: 600;
}
.evbf-price-val {
  font-size: 24px;
  font-weight: 900;
  color: var(--evbf-white);
  letter-spacing: -0.5px;
}

/* CTA Button */
.evbf-card-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--evbf-yellow);
  color: var(--evbf-dark);
  text-decoration: none;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.3px;
  transition: all 0.2s;
  margin-top: 4px;
  box-shadow: 0 4px 12px rgba(245,166,35,0.3);
}
.evbf-card-btn:hover {
  background: var(--evbf-dark);
  color: var(--evbf-yellow);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
  transform: translateY(-1px);
  text-decoration: none;
}

/* ─── NO RESULTS ─── */
.evbf-no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
  color: var(--evbf-muted);
}
.evbf-no-results svg { margin-bottom: 16px; opacity: 0.4; }
.evbf-no-results p { font-size: 18px; font-weight: 600; margin: 0; }

/* ─── LOADING SPINNER ─── */
.evbf-loading {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  border-radius: var(--evbf-radius);
  z-index: 10;
}
.evbf-loading.is-active { display: flex; }

.evbf-spinner {
  display: flex;
  gap: 8px;
  align-items: center;
}
.evbf-spinner div {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--evbf-yellow);
  animation: evbf-bounce 0.8s ease-in-out infinite;
}
.evbf-spinner div:nth-child(2) { animation-delay: 0.16s; }
.evbf-spinner div:nth-child(3) { animation-delay: 0.32s; }

@keyframes evbf-bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40%           { transform: scale(1.0); opacity: 1; }
}

/* Card enter animation */
.evbf-card {
  animation: evbf-fade-in 0.4s ease forwards;
}
@keyframes evbf-fade-in {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─────────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────────── */
@media (max-width: 1200px) {
  .evbf-cols-3 { grid-template-columns: repeat(2, 1fr); }
  .evbf-cols-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1024px) {
  .evbf-showcase-wrap { flex-direction: column; }
  .evbf-sidebar {
    width: 100%;
    position: static;
    max-height: none;
  }
  .evbf-sidebar-inner { display: grid; grid-template-columns: 1fr 1fr; }
  .evbf-filter-header { grid-column: 1/-1; }
  .evbf-apply-btn { grid-column: 1/-1; }
}

@media (max-width: 640px) {
  .evbf-showcase-wrap { padding: 16px; }
  .evbf-sidebar-inner { grid-template-columns: 1fr; }
  .evbf-cols-2,
  .evbf-cols-3,
  .evbf-cols-4 { grid-template-columns: 1fr; }
  .evbf-grid { gap: 16px; }
}