:root {
  --bg: #F6F5F4;
  --surface: #ffffff;
  --surface2: #f9f9f9;
  --border: #DEDFE3;
  --text: #161513;
  --text-dim: #555555;
  --accent: #ff3604;
  --accent2: #e02e00;
  --accent-dim: rgba(255, 54, 4, 0.08);
  --warning: #f39c12;
  --danger: #dc3545;
  --radius: 4px;
  --font-head: 'Sora', sans-serif;
  --font-body: 'Mulish', sans-serif;
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 15px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-weight: 300;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4, .card-title {
  font-family: var(--font-head);
  font-weight: 600;
}

/* HEADER */
.site-header {
  padding: 1.5rem 2rem;
  background: var(--accent);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.logo {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.logo span { color: #fff; opacity: 0.9; }
.header-stats {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
  color: rgba(255,255,255,0.9);
}
.header-stats strong { color: #fff; font-weight: 600; }

/* CONTROLS */
.controls {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 2rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}
.search-box {
  flex: 1 1 280px;
  position: relative;
}
.search-box input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.6rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.95rem;
  font-family: var(--font-body);
  outline: none;
  transition: border-color 0.2s;
}
.search-box input:focus { border-color: var(--accent); }
.search-box::before {
  content: '⌕';
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 1.2rem;
}

/* CUSTOM DROPDOWNS & BUTTONS */
select, .btn {
  padding: 0.75rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.9rem;
  font-family: var(--font-body);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  outline: none;
}
select:hover, .btn:hover { border-color: var(--accent); }
select:focus { border-color: var(--accent); }

.dropdown-check { position: relative; display: inline-block; }
.dd-btn { padding-right: 2rem; position: relative; text-align: left; }
.dd-btn::after {
  content: '▾'; position: absolute; right: 0.8rem; top: 50%;
  transform: translateY(-50%); color: var(--text-dim); font-size: 0.8rem;
}
.dd-count { color: var(--accent); font-weight: 700; font-size: 0.85rem; margin-left: 0.3rem; }
.dd-menu {
  display: none; position: absolute; top: calc(100% + 5px); left: 0;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); z-index: 100; min-width: 220px;
  max-height: 300px; overflow-y: auto; box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  padding: 0.5rem;
}
.dd-menu.show { display: block; }
.dd-menu label {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.5rem; cursor: pointer; font-size: 0.85rem;
  border-radius: 4px; transition: background 0.2s; user-select: none;
}
.dd-menu label:hover { background: var(--surface2); }
.dd-menu input[type="checkbox"] { accent-color: var(--accent); width: 16px; height: 16px; cursor: pointer; }

.btn-accent {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 600;
  font-family: var(--font-head);
}
.btn-accent:hover { background: var(--accent2); color: #fff; transform: translateY(-2px); }
.btn-small { padding: 0.4rem 0.8rem; font-size: 0.85rem; }
.btn-ghost { background: transparent; border-color: transparent; }
.btn-ghost:hover { background: var(--surface); border-color: var(--border); }
.view-toggle { display: flex; gap: 0; }
.view-toggle .btn { border-radius: 0; font-size: 1rem; padding: 0.6rem 0.9rem; }
.view-toggle .btn:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.view-toggle .btn:last-child { border-radius: 0 var(--radius) var(--radius) 0; }
.view-toggle .btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* FILTER CHIPS */
.filter-chips {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
}
.chip:hover { border-color: var(--accent); }
.chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.chip .icon { font-size: 1rem; }

/* RESULTS COUNT */
.results-bar {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--text-dim);
}
.results-bar strong { color: var(--text); font-weight: 600; }

/* CARD GRID */
.grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
}

/* ROBOT CARD */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
  position: relative;
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
  border-color: var(--border);
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.8rem;
}
.card-title { font-size: 1.25rem; line-height: 1.3; color: var(--accent); }
.card-manufacturer { font-size: 0.85rem; color: var(--text-dim); margin-top: 0.25rem; }
.card-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.7rem;
  background: var(--bg);
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
}
.card-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-bottom: 1.2rem;
  margin-top: 0.5rem;
}
.spec-item { background: var(--surface2); border: 1px solid var(--border); border-radius: 6px; padding: 0.6rem; text-align: center; }
.spec-value { font-size: 1rem; font-weight: 600; color: var(--text); }
.spec-label { font-size: 0.7rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 0.15rem; }
.card-price { display: flex; align-items: baseline; gap: 0.5rem; margin-bottom: 1rem; margin-top: auto; }
.price-amount { font-family: var(--font-head); font-size: 1.6rem; font-weight: 700; color: var(--accent); }
.price-variant { font-size: 0.8rem; color: var(--text-dim); }
.card-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1rem; }
.tag { padding: 0.2rem 0.6rem; background: var(--bg); border: 1px solid var(--border); border-radius: 4px; font-size: 0.75rem; color: var(--text-dim); }
.card-status {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.status-available { background: rgba(40, 167, 69, 0.1); color: #28a745; }
.status-pre-order { background: rgba(0, 123, 255, 0.1); color: #007bff; }
.status-limited { background: rgba(243, 156, 18, 0.1); color: var(--warning); }
.status-development { background: rgba(220, 53, 69, 0.1); color: var(--danger); }
.status-discontinued { background: var(--bg); color: var(--text-dim); border: 1px solid var(--border); }

/* TABLE VIEW */
.table-wrap {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem 3rem;
  overflow-x: auto;
  display: none;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 4px 15px rgba(0,0,0,0.03);
}
thead th {
  background: var(--surface2);
  padding: 1rem;
  text-align: left;
  border-bottom: 2px solid var(--border);
  font-weight: 600;
  font-family: var(--font-head);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  position: sticky;
  top: 0;
  z-index: 2;
}
thead th:hover { color: var(--accent); }
tbody td { padding: 0.8rem 1rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:hover { background: var(--accent-dim); }
td.mono { font-weight: 500; }
td.dim { color: var(--text-dim); }

/* DETAIL MODAL */
.modal-overlay {
  display: none; position: fixed; inset: 0; background: rgba(22, 21, 19, 0.55);
  z-index: 100; backdrop-filter: blur(2px); overflow-y: auto; padding: 2rem;
}
.modal-overlay.show { display: flex; justify-content: center; align-items: flex-start; }
.modal {
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.15); max-width: 720px; width: 100%;
  padding: 2.5rem; margin-top: 2rem; position: relative;
}
.modal-close {
  position: absolute; top: 1.2rem; right: 1.5rem; background: none; border: none;
  color: var(--text-dim); font-size: 2rem; cursor: pointer; line-height: 1;
}
.modal-close:hover { color: var(--accent); }
.modal h2 { font-size: 1.8rem; margin-bottom: 0.3rem; color: var(--accent); }
.modal .mfr { font-size: 0.95rem; color: var(--text-dim); margin-bottom: 1.5rem; font-weight: 500; }
.detail-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 0.8rem; margin-bottom: 1.5rem; }
.detail-item { background: var(--surface2); border: 1px solid var(--border); border-radius: 6px; padding: 0.8rem; }
.detail-item .label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-dim); }
.detail-item .value { font-weight: 600; font-size: 1rem; color: var(--text); margin-top: 0.2rem; }
.detail-section { margin-bottom: 1.5rem; }
.detail-section h3 { font-size: 1rem; color: var(--accent); font-family: var(--font-head); margin-bottom: 0.6rem; }
.detail-section p, .detail-section li { font-size: 0.95rem; color: var(--text-dim); line-height: 1.6; }
.detail-section ul { list-style: none; padding: 0; }
.detail-section ul li { padding: 4px 0; }
.detail-section ul li::before { content: '✓ '; color: var(--accent); font-weight: bold; margin-right: 5px; }
.price-history { width: 100%; border-collapse: collapse; margin-top: 0.5rem; }
.price-history th { text-align: left; font-size: 0.75rem; text-transform: uppercase; color: var(--text-dim); padding: 0.5rem; border-bottom: 2px solid var(--border); }
.price-history td { padding: 0.6rem 0.5rem; font-size: 0.9rem; border-bottom: 1px solid var(--border); }
.price-history .amt { font-weight: 600; color: var(--text); }

/* COMPARE */
.compare-bar {
  position: fixed; bottom: 0; left: 0; right: 0; background: var(--surface);
  border-top: 2px solid var(--accent); padding: 1rem 2rem; display: none;
  align-items: center; justify-content: center; gap: 1rem; z-index: 50; box-shadow: 0 -8px 30px rgba(0,0,0,0.1);
}
.compare-bar.show { display: flex; }
.compare-items { display: flex; gap: 0.5rem; }
.compare-item {
  display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.4rem 0.8rem;
  background: var(--accent-dim); border-radius: 6px; font-size: 0.85rem; font-weight: 500; color: var(--accent);
}
.compare-item .remove { cursor: pointer; opacity: 0.7; font-weight: bold; }
.compare-item .remove:hover { opacity: 1; }
.compare-check {
  position: absolute; bottom: 1.2rem; right: 1.2rem; display: flex; align-items: center;
  gap: 0.4rem; font-size: 0.8rem; font-weight: 500; color: var(--text-dim);
}
.compare-check input[type="checkbox"] { accent-color: var(--accent); width: 16px; height: 16px; }

/* EMPTY STATE */
.empty-state { text-align: center; padding: 4rem 2rem; color: var(--text-dim); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.empty-state .icon { font-size: 3rem; margin-bottom: 1rem; }

/* FRESHNESS */
.card-updated {
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-top: 0.6rem;
  opacity: 0.7;
}
.card-updated.stale {
  color: var(--warning);
  opacity: 1;
}
.card-updated.stale::before { content: '⚠ '; }
.stale-modal {
  display: inline-block;
  color: var(--warning);
  font-size: 0.8rem;
  margin-left: 0.5rem;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .grid { grid-template-columns: 1fr; }
  .controls { padding: 1.5rem 1rem; }
  .site-header { padding: 1.2rem 1rem; }
  .card-specs { grid-template-columns: repeat(2, 1fr); }
  .modal { padding: 1.5rem; }
  .detail-grid { grid-template-columns: repeat(2, 1fr); }
}