/* ── Reset & Base ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green-900: #0f4c2a;
  --green-700: #15803d;
  --green-600: #16a34a;
  --green-500: #22c55e;
  --green-50:  #f0fdf4;
  --gray-900:  #111827;
  --gray-600:  #4b5563;
  --gray-400:  #9ca3af;
  --gray-100:  #f3f4f6;
  --white:     #ffffff;
  --gold:      #f59e0b;
  --shadow:    0 2px 12px rgba(0,0,0,.10);
  --radius:    16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--gray-100);
  color: var(--gray-900);
  min-height: 100dvh;
  padding-bottom: 120px;
}

/* ── Header ────────────────────────────────────────────────────────────────── */
.header {
  background: linear-gradient(135deg, var(--green-900), var(--green-700));
  color: white;
  padding: 20px 16px 24px;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
}
.header-logo { font-size: 1.5rem; font-weight: 800; letter-spacing: -.5px; }
.header-sub  { font-size: .8rem; opacity: .8; margin-top: 2px; }

/* ── Feed ──────────────────────────────────────────────────────────────────── */
#feed {
  max-width: 480px;
  margin: 0 auto;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ── Skeleton ──────────────────────────────────────────────────────────────── */
.skeleton-card {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.skeleton-img   { height: 180px; background: #e5e7eb; animation: pulse 1.5s infinite; }
.skeleton-body  { padding: 16px; }
.skeleton-line  { height: 14px; background: #e5e7eb; border-radius: 6px; margin-bottom: 10px; animation: pulse 1.5s infinite; }
.skeleton-line.short { width: 60%; }
.skeleton-line.long  { width: 90%; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.5} }

/* ── Card ──────────────────────────────────────────────────────────────────── */
.offer-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .15s ease, box-shadow .15s ease;
}
.offer-card:active { transform: scale(.98); }

.card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}
.card-img-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--green-900), var(--green-700));
  font-size: 3rem;
}

.card-body { padding: 16px; }

.badge-destaque {
  display: inline-block;
  background: var(--gold);
  color: white;
  font-size: .7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 8px;
  letter-spacing: .5px;
}

.card-lojista {
  font-size: .75rem;
  color: var(--gray-400);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: .3px;
}

.card-titulo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
  line-height: 1.3;
}

.card-descricao {
  font-size: .875rem;
  color: var(--gray-600);
  margin-bottom: 14px;
  line-height: 1.5;
}

.cupom-row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--green-50);
  border: 1.5px dashed var(--green-600);
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 14px;
}
.cupom-label { font-size: .75rem; color: var(--gray-600); white-space: nowrap; }
.cupom-code  { font-family: monospace; font-size: 1rem; font-weight: 700; color: var(--green-700); flex: 1; }
.btn-copy    { background: none; border: none; cursor: pointer; font-size: 1.1rem; padding: 0 4px; }

.btn-resgatar {
  display: block;
  width: 100%;
  padding: 14px;
  background: #25d366;
  color: white;
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  border-radius: 12px;
  text-decoration: none;
  transition: filter .15s;
}
.btn-resgatar:hover { filter: brightness(1.08); }

/* ── Empty / Error ─────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray-400);
}
.empty-icon  { font-size: 3rem; display: block; margin-bottom: 12px; }
.error-msg   { color: #dc2626; text-align: center; padding: 40px 20px; }

/* ── Banner VIP ────────────────────────────────────────────────────────────── */
#vip-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--green-900);
  color: white;
  padding: 0;
}
#vip-banner.hidden { display: none; }

#vip-toggle {
  width: 100%;
  padding: 14px 20px;
  background: none;
  border: none;
  color: white;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
}

#vip-form {
  padding: 0 16px 16px;
  border-top: 1px solid rgba(255,255,255,.15);
}
#vip-form.hidden { display: none; }

#vip-form p {
  font-size: .8rem;
  opacity: .8;
  margin-bottom: 10px;
  padding-top: 12px;
}

.vip-input-row {
  display: flex;
  gap: 8px;
}

#vip-phone {
  flex: 1;
  padding: 12px 14px;
  border-radius: 10px;
  border: none;
  font-size: 1rem;
  outline: none;
}

#vip-btn {
  padding: 12px 18px;
  background: var(--green-500);
  color: white;
  border: none;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
  font-size: .95rem;
  white-space: nowrap;
}
#vip-btn:disabled { opacity: .6; cursor: not-allowed; }

.vip-msg       { font-size: .8rem; margin-top: 8px; }
.vip-msg.error { color: #fca5a5; }

.vip-success {
  text-align: center;
  padding: 16px;
  font-weight: 600;
  font-size: .95rem;
}

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (min-width: 520px) {
  .header-logo { font-size: 1.75rem; }
  .card-titulo { font-size: 1.2rem; }
}