/* ── Theme variables ─────────────────────────────────────────────────── */
:root {
  --bg:        #0e1118;
  --panel:     #161b26;
  --panel2:    #1d2333;
  --border:    #262d3f;
  --text:      #e2e6f0;
  --muted:     #5a6480;
  --accent:    #3b7ff5;
  --accent-dim:rgba(59,127,245,0.14);
  --available: #22c55e;
  --avail-dim: rgba(34,197,94,0.13);
  --soldout:   #ef4444;
  --soldout-dim:rgba(239,68,68,0.13);
  --pchange:   #f59e0b;
  --pchange-dim:rgba(245,158,11,0.13);
  --new-dim:   rgba(139,92,246,0.13);
  --new-color: #a78bfa;
  --shadow:    0 2px 12px rgba(0,0,0,0.4);
  --radius:    0.75rem;
}
html[data-theme="light"] {
  --bg:        #f3f5fa;
  --panel:     #ffffff;
  --panel2:    #f0f3fa;
  --border:    #dde2ee;
  --text:      #1a1f2e;
  --muted:     #6b7898;
  --accent:    #2563eb;
  --accent-dim:rgba(37,99,235,0.1);
  --available: #16a34a;
  --avail-dim: rgba(22,163,74,0.1);
  --soldout:   #dc2626;
  --soldout-dim:rgba(220,38,38,0.1);
  --pchange:   #d97706;
  --pchange-dim:rgba(217,119,6,0.1);
  --new-dim:   rgba(109,40,217,0.1);
  --new-color: #7c3aed;
  --shadow:    0 2px 12px rgba(0,0,0,0.08);
}

/* ── Reset & base ────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100dvh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select {
  font: inherit;
  background: var(--panel);
  color: var(--text);
  border: 1.5px solid var(--border);
  border-radius: 0.45rem;
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
}
button:hover { border-color: var(--accent); }
input { cursor: text; }
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
input::placeholder { color: var(--muted); }
button.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 600;
}
button.primary:hover { filter: brightness(1.1); }
button.danger { border-color: var(--soldout); color: var(--soldout); }
button.danger:hover { background: var(--soldout-dim); }

/* ── Layout ──────────────────────────────────────────────────────────── */
.top-banner {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 0.4rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.78rem;
  color: var(--muted);
  flex-wrap: wrap;
}
.top-banner-logo { font-size: 1rem; font-weight: 700; color: var(--text); }
.top-banner-sep { width: 1px; height: 1em; background: var(--border); flex-shrink: 0; }
.top-banner-tag {
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 999px;
  padding: 0.1rem 0.55rem;
  font-size: 0.72rem;
  font-weight: 600;
}

header {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.header-title { flex: 1; min-width: 0; }
.header-title h1 { font-size: 1.25rem; font-weight: 700; }
.header-title p { color: var(--muted); font-size: 0.8rem; }
.header-actions { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }

main { padding: 1.25rem 1.5rem; max-width: 1600px; margin: 0 auto; }

/* ── Watch tag strip ─────────────────────────────────────────────────── */
.watch-tag-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1rem;
  padding-top: 0.5rem;
}
.watch-tag-strip:empty { display: none; }
.watch-tag-wrap {
  position: relative;
  display: inline-flex;
  margin-top: 0.45rem;
}
.watch-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  border: 1.5px solid var(--border);
  background: var(--panel);
  color: var(--muted);
  transition: border-color 0.12s, background 0.12s, color 0.12s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 20rem;
}
.watch-tag.active {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}
.watch-tag:hover:not(.active) {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  color: var(--text);
}
.watch-tag-bubble {
  position: absolute;
  top: -0.5rem;
  right: -0.5rem;
  min-width: 1.25rem;
  height: 1.25rem;
  padding: 0 0.3rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.25rem;
  text-align: center;
  pointer-events: none;
  box-shadow: 0 0 0 2px var(--bg);
  z-index: 1;
}

/* ── Controls bar ────────────────────────────────────────────────────── */
.controls-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.controls-bar-count { color: var(--muted); font-size: 0.82rem; flex: 1; }
.sort-label { color: var(--muted); font-size: 0.82rem; white-space: nowrap; }
.controls-bar select { font-size: 0.82rem; padding: 0.3rem 0.6rem; }
.filter-btns { display: flex; gap: 0.35rem; }
.filter-btn {
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border-width: 1.5px;
}
.filter-btn.active-filter {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Product grid ────────────────────────────────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

/* ── Product card ────────────────────────────────────────────────────── */
.card {
  background: var(--panel);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.card:hover { border-color: color-mix(in srgb, var(--accent) 50%, var(--border)); }

/* Change highlight states */
.card.highlight-available {
  border-color: var(--available);
  box-shadow: 0 0 0 1px var(--available), var(--shadow);
}
.card.highlight-soldout {
  border-color: var(--soldout);
  box-shadow: 0 0 0 1px var(--soldout), var(--shadow);
}
.card.highlight-price {
  border-color: var(--pchange);
  box-shadow: 0 0 0 1px var(--pchange), var(--shadow);
}
.card.highlight-new {
  border-color: var(--new-color);
  box-shadow: 0 0 0 1px var(--new-color), var(--shadow);
}

.card-thumb {
  position: relative;
  background: var(--panel2);
  width: 100%;
  padding-top: 100%; /* square */
  overflow: hidden;
  flex-shrink: 0;
}
.card-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 1rem;
}
.card-thumb-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 2rem;
}

/* Status badge (top-right of image) */
.status-badge {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  pointer-events: none;
}
.status-badge.available {
  background: var(--available);
  color: #fff;
}
.status-badge.soldout {
  background: var(--soldout);
  color: #fff;
}

/* Change event badge (top-left of image) */
.event-badge {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  pointer-events: none;
}
.event-badge.ev-available  { background: var(--available);  color: #fff; }
.event-badge.ev-sold_out   { background: var(--soldout);    color: #fff; }
.event-badge.ev-price_change { background: var(--pchange);  color: #fff; }
.event-badge.ev-new_product  { background: var(--new-color); color: #fff; }

.card-body {
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
}
.card-title {
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-sku {
  font-size: 0.75rem;
  color: var(--muted);
  font-family: ui-monospace, monospace;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-price {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-top: 0.2rem;
}
.card-price-old {
  font-size: 0.8rem;
  color: var(--muted);
  text-decoration: line-through;
  font-weight: 400;
  margin-left: 0.4rem;
}
.card-price-arrow {
  font-size: 0.8rem;
  margin-left: 0.25rem;
}
.card-price-arrow.up { color: var(--soldout); }
.card-price-arrow.down { color: var(--available); }
.card-footer {
  margin-top: auto;
  padding-top: 0.5rem;
  display: flex;
  gap: 0.4rem;
  align-items: center;
}
.card-link {
  font-size: 0.78rem;
  color: var(--accent);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.btn-watch-product {
  font-size: 0.72rem;
  padding: 0.2rem 0.5rem;
  border-color: var(--soldout);
  color: var(--soldout);
  border-radius: 0.4rem;
  white-space: nowrap;
  flex-shrink: 0;
}
.btn-watch-product:hover { background: var(--soldout-dim); }
.btn-watch-product.watching {
  border-color: var(--available);
  color: var(--available);
  cursor: default;
}
.watch-item-interval {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.25rem;
}
.watch-item-interval label { font-size: 0.68rem; color: var(--muted); }
.watch-item-interval select { font-size: 0.68rem; padding: 0.1rem 0.25rem; }

/* ── Empty state ─────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--muted);
}
.empty-state h2 { font-size: 1.1rem; margin-bottom: 0.5rem; color: var(--text); }

/* ── Drawer ──────────────────────────────────────────────────────────── */
.drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 1500;
  pointer-events: none;
}
.drawer-overlay:not([hidden]) { pointer-events: auto; }
.drawer-overlay[hidden] { display: none !important; }
.drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
  cursor: pointer;
}
html[data-theme="light"] .drawer-backdrop { background: rgba(15,20,30,0.3); }
.drawer-panel {
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: min(420px, 92vw);
  background: var(--panel);
  border-right: 1.5px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.drawer-header {
  display: flex;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  gap: 0.75rem;
  flex-shrink: 0;
}
.drawer-header h2 { font-size: 1rem; flex: 1; }
.drawer-close {
  width: 2.25rem; height: 2.25rem;
  padding: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: 0.4rem;
  flex-shrink: 0;
}
.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Add watch form */
.add-watch-form {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.add-watch-form label { font-size: 0.8rem; color: var(--muted); font-weight: 600; }
.add-watch-form input { width: 100%; }
.add-watch-form-row { display: flex; gap: 0.5rem; }
.add-watch-form-row input { flex: 1; min-width: 0; }

/* Watch list */
.watch-list { display: flex; flex-direction: column; gap: 0.5rem; }
.watch-item {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 0.65rem 0.85rem;
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
}
.watch-item-main { flex: 1; min-width: 0; }
.watch-item-label {
  font-size: 0.88rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.watch-item-url {
  font-size: 0.72rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.watch-item-meta {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 0.2rem;
}
.watch-item-actions { display: flex; gap: 0.35rem; align-items: center; flex-shrink: 0; }
.watch-item-actions button { padding: 0.25rem 0.5rem; font-size: 0.75rem; }
.watch-toggle {
  width: 1.1rem; height: 1.1rem;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

/* ── Toast ───────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--panel2);
  border: 1.5px solid var(--border);
  border-radius: 0.6rem;
  padding: 0.6rem 1.2rem;
  font-size: 0.88rem;
  box-shadow: var(--shadow);
  z-index: 2000;
  display: none;
  max-width: 90vw;
  text-align: center;
}
.toast[data-visible="true"] { display: block; }

/* ── Spinner ─────────────────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 0.9em; height: 0.9em;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Section headers ─────────────────────────────────────────────────── */
.section-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 0.65rem;
}

/* ── Notification banner ─────────────────────────────────────────────── */
.notif-banner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 1.5rem;
  background: var(--accent-dim);
  border-bottom: 1px solid var(--accent);
  font-size: 0.83rem;
  flex-wrap: wrap;
}
.notif-banner span { flex: 1; color: var(--text); }
.notif-banner button { font-size: 0.8rem; padding: 0.25rem 0.7rem; }
.notif-denied { background: rgba(239,68,68,.15); border-color: #ef4444; }
.notif-denied span { color: #fca5a5; }

/* ── Tab bar ─────────────────────────────────────────────────────────── */
.tab-bar {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 0;
  padding: 0 1.5rem;
}
.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  padding: 0.6rem 1rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.12s, border-color 0.12s;
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.tab-btn:hover { color: var(--text); border-color: transparent; background: none; }
.tab-btn.active { color: var(--text); border-bottom-color: var(--accent); }
.tab-badge {
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  padding: 0.05rem 0.4rem;
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.4;
}

/* ── Tab sections ────────────────────────────────────────────────────── */
.tab-section { /* no extra styles needed, visibility controlled by JS */ }

/* ── Card change timestamp ───────────────────────────────────────────── */
.card-change-time {
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: 0.15rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── eBay resale ─────────────────────────────────────────────────────── */
.card-resale {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.resale-label {
  color: #94a3b8;
}

.resale-arb {
  font-size: 0.72rem;
  font-weight: 600;
  color: #f59e0b;
}

/* ── Watched card indicator ──────────────────────────────────────────── */
.card.card-watched {
  outline: 1.5px dashed var(--accent);
  outline-offset: -1px;
}

/* ── Watch button (updated states) ──────────────────────────────────── */
.btn-watch-product {
  font-size: 0.72rem;
  padding: 0.2rem 0.5rem;
  border-radius: 0.4rem;
  white-space: nowrap;
  flex-shrink: 0;
  border-color: var(--muted);
  color: var(--muted);
}
.btn-watch-product:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }
.btn-watch-product.watching {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}
.btn-watch-product.watching:hover {
  border-color: var(--soldout);
  color: var(--soldout);
  background: var(--soldout-dim);
}

/* ── Log tab ─────────────────────────────────────────────────────────── */
.log-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}
.event-log {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.log-entry {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.55rem 0.75rem;
  background: var(--panel);
  border: 1.5px solid var(--border);
  border-radius: 0.5rem;
  transition: border-color 0.12s;
}
.log-entry-unseen {
  border-color: color-mix(in srgb, var(--pchange) 40%, var(--border));
}
.log-badge {
  flex-shrink: 0;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-top: 0.1rem;
}
.log-badge.ev-available   { background: var(--available);  color: #fff; }
.log-badge.ev-sold_out    { background: var(--soldout);    color: #fff; }
.log-badge.ev-price_change { background: var(--pchange);   color: #fff; }
.log-badge.ev-new_product  { background: var(--new-color); color: #fff; }
.log-entry-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}
.log-product-name {
  font-size: 0.88rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.log-entry-meta {
  font-size: 0.72rem;
  color: var(--muted);
}

/* ── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  header { padding: 0.65rem 1rem; }
  main { padding: 0.85rem 0.85rem; }
  .product-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 0.65rem; }
  .header-title h1 { font-size: 1.05rem; }
  .tab-bar { padding: 0 0.85rem; }
}