/* ============ PromoRadar — design system ============ */
:root {
  --bg: #0a0d14;
  --bg-soft: #10141f;
  --card: #131928;
  --card-hover: #17203324;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f2f4f8;
  --muted: #98a0b3;
  --accent: #ff8a1e;
  --accent-2: #ff5e3a;
  --grad: linear-gradient(120deg, #ffb02e, #ff8a1e 45%, #ff5e3a);
  --green: #3ddc84;
  --radius: 18px;
  --shadow: 0 18px 40px -18px rgba(0, 0, 0, 0.65);
  --font-display: 'Sora', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container { width: min(1180px, 100% - 2.5rem); margin-inline: auto; }

/* brilho de fundo */
.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(52rem 30rem at 85% -12%, rgba(255, 138, 30, 0.14), transparent 60%),
    radial-gradient(44rem 26rem at -10% 8%, rgba(255, 94, 58, 0.10), transparent 60%),
    radial-gradient(60rem 40rem at 50% 115%, rgba(255, 176, 46, 0.05), transparent 60%);
  pointer-events: none;
}

/* ---------- topo ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(10, 13, 20, 0.72);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.8rem;
}
.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.logo em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.82rem;
  color: var(--muted);
  border: 1px solid var(--border);
  background: var(--bg-soft);
  padding: 0.38rem 0.85rem;
  border-radius: 999px;
  white-space: nowrap;
}
.live-badge b { color: var(--text); }
.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(61, 220, 132, 0.55);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 9px rgba(61, 220, 132, 0); }
  100% { box-shadow: 0 0 0 0 rgba(61, 220, 132, 0); }
}

/* ---------- hero ---------- */
.hero { text-align: center; padding: clamp(2.6rem, 7vw, 4.6rem) 0 1.6rem; }
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.08;
  margin: 0 0 0.7rem;
}
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  color: var(--muted);
  font-size: clamp(0.95rem, 2.4vw, 1.1rem);
  max-width: 34rem;
  margin: 0 auto 1.8rem;
}
.search-wrap {
  position: relative;
  max-width: 33rem;
  margin: 0 auto;
}
.search-wrap svg {
  position: absolute;
  left: 1.05rem;
  top: 50%;
  translate: 0 -50%;
  width: 1.15rem;
  color: var(--muted);
  pointer-events: none;
}
.search-wrap input {
  width: 100%;
  padding: 0.95rem 1.2rem 0.95rem 2.9rem;
  font: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.search-wrap input::placeholder { color: #6b7386; }
.search-wrap input:focus {
  border-color: rgba(255, 138, 30, 0.6);
  box-shadow: 0 0 0 4px rgba(255, 138, 30, 0.14);
}

/* ---------- toolbar ---------- */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.4rem 0 1.1rem;
  position: relative;
  z-index: 2;
}
.chips { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.chip {
  font: inherit;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--muted);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.42rem 0.95rem;
  cursor: pointer;
  transition: all 0.18s;
}
.chip:hover { color: var(--text); border-color: rgba(255, 255, 255, 0.2); }
.chip.active {
  color: #1a1206;
  font-weight: 700;
  background: var(--grad);
  border-color: transparent;
}
.chip .n { opacity: 0.75; font-weight: 400; margin-left: 0.28rem; font-size: 0.78rem; }
.chip.active .n { opacity: 0.85; font-weight: 600; }

.sort-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.86rem;
  color: var(--muted);
}
.sort-wrap select {
  font: inherit;
  font-size: 0.86rem;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.42rem 0.7rem;
  cursor: pointer;
  outline: none;
}
.sort-wrap select:focus { border-color: rgba(255, 138, 30, 0.6); }

/* ---------- grid & cards ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(235px, 1fr));
  gap: 1.1rem;
  padding-bottom: 3rem;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  opacity: 0;
  translate: 0 14px;
  animation: rise 0.5s cubic-bezier(0.2, 0.7, 0.3, 1) forwards;
  animation-delay: var(--d, 0ms);
  transition: transform 0.22s cubic-bezier(0.2, 0.7, 0.3, 1), box-shadow 0.22s, border-color 0.22s;
}
@keyframes rise { to { opacity: 1; translate: 0 0; } }
.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: rgba(255, 138, 30, 0.35);
}

.card-media {
  position: relative;
  display: block;
  background: #fff;
  aspect-ratio: 1 / 1;
  overflow: hidden;
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 11%;
  transition: transform 0.35s cubic-bezier(0.2, 0.7, 0.3, 1);
}
.card:hover .card-media img { transform: scale(1.06); }
.card-media .no-img {
  display: grid;
  place-items: center;
  height: 100%;
  font-size: 3rem;
  background: var(--bg-soft);
}

.badge-off {
  position: absolute;
  top: 0.7rem;
  left: 0.7rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.82rem;
  color: #fff;
  background: var(--grad);
  padding: 0.28rem 0.6rem;
  border-radius: 9px;
  box-shadow: 0 6px 16px -6px rgba(255, 94, 58, 0.8);
}
.badge-new {
  position: absolute;
  top: 0.7rem;
  right: 0.7rem;
  font-weight: 800;
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  color: #06331b;
  background: var(--green);
  padding: 0.26rem 0.5rem;
  border-radius: 8px;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 0.95rem 1rem 1rem;
  flex: 1;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.74rem;
  color: var(--muted);
}
.store-tag {
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #ffb02e;
  background: rgba(255, 176, 46, 0.12);
  border: 1px solid rgba(255, 176, 46, 0.25);
  padding: 0.12rem 0.45rem;
  border-radius: 6px;
}
.card-title {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.5em;
}
.card-title a { color: var(--text); text-decoration: none; }
.card-title a:hover { color: #ffc46b; }

.price-row { display: flex; align-items: baseline; gap: 0.55rem; flex-wrap: wrap; margin-top: auto; }
.price-row s { color: var(--muted); font-size: 0.82rem; }
.price-row strong {
  font-family: var(--font-display);
  font-size: 1.32rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.saving { font-size: 0.78rem; font-weight: 600; color: var(--green); }

.card-actions { display: flex; gap: 0.5rem; margin-top: 0.55rem; }
.btn-go {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  font: inherit;
  font-weight: 700;
  font-size: 0.9rem;
  color: #1a1206;
  background: var(--grad);
  border: none;
  border-radius: 12px;
  padding: 0.66rem 0.9rem;
  text-decoration: none;
  transition: filter 0.18s, transform 0.18s;
}
.btn-go:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-go svg { width: 1rem; }
.btn-share {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.7rem;
  color: var(--muted);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.18s;
}
.btn-share:hover { color: #3ddc84; border-color: rgba(61, 220, 132, 0.5); }
.btn-share svg { width: 1.15rem; }

/* ---------- skeleton ---------- */
.sk {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  background: var(--card);
}
.sk .sk-img { aspect-ratio: 1/1; }
.sk .sk-line { height: 0.85rem; border-radius: 6px; margin: 0.8rem 1rem 0; }
.sk .sk-line.w60 { width: 60%; }
.sk .sk-line.big { height: 1.4rem; width: 45%; margin-bottom: 1rem; }
.sk .sk-img, .sk .sk-line {
  background: linear-gradient(100deg, #161c2c 40%, #1e2639 50%, #161c2c 60%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite linear;
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* ---------- vazio & footer ---------- */
.empty { text-align: center; padding: 4rem 0 5rem; color: var(--muted); }
.empty-emoji { font-size: 3.4rem; margin-bottom: 0.6rem; }
.empty h2 { color: var(--text); font-family: var(--font-display); margin: 0 0 0.3rem; }
.empty p { margin: 0; }

.footer {
  border-top: 1px solid var(--border);
  padding: 1.6rem 0 2.2rem;
  font-size: 0.82rem;
  color: var(--muted);
  text-align: center;
}
.footer p { margin: 0.25rem 0; }
.footer-dim { opacity: 0.65; }

/* ---------- mobile ---------- */
@media (max-width: 640px) {
  .grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 0.75rem; }
  .card-body { padding: 0.75rem 0.8rem 0.85rem; }
  .card-title { font-size: 0.85rem; }
  .price-row strong { font-size: 1.15rem; }
  .btn-share { display: none; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .sort-wrap { justify-content: flex-end; }
  .live-badge { font-size: 0.74rem; padding: 0.3rem 0.65rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .card { opacity: 1; translate: none; }
}