:root {
  --sidebar-bg: #0f172a;
  --sidebar-w: 230px;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --bg: #f8fafc;
  --card-bg: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --muted: #64748b;
  --green: #16a34a;
  --red: #dc2626;
  --yellow: #d97706;
}

body { background: var(--bg); color: var(--text); font-family: 'Inter', system-ui, sans-serif; }

/* Sidebar */
#sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--sidebar-bg);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
#sidebar .brand {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
}
#sidebar .brand i { font-size: 1.4rem; color: var(--accent-light); }
#sidebar .nav-link {
  color: #94a3b8;
  border-radius: 8px;
  padding: .55rem .85rem;
  font-size: .9rem;
  display: flex;
  align-items: center;
  gap: .5rem;
  transition: background .15s, color .15s;
}
#sidebar .nav-link:hover  { background: rgba(255,255,255,.07); color: #fff; }
#sidebar .nav-link.active { background: var(--accent); color: #fff; }
#sidebar .sidebar-footer { font-size: .75rem; color: #475569; }

/* Topbar */
.topbar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

/* Cards */
.price-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem 1.5rem;
  transition: box-shadow .2s, transform .2s;
  position: relative;
  overflow: hidden;
}
.price-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,.08); transform: translateY(-2px); }
.price-card .badge-categoria {
  font-size: .7rem;
  padding: 3px 8px;
  border-radius: 99px;
  background: #ede9fe;
  color: #5b21b6;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.price-card .produto-nome { font-size: 1rem; font-weight: 700; margin: .5rem 0 .2rem; }
.price-card .variante { font-size: .82rem; color: var(--muted); }
.price-card .preco-valor { font-size: 1.6rem; font-weight: 800; color: var(--text); line-height: 1.2; margin-top: .7rem; }
.price-card .preco-loja  { font-size: .8rem; color: var(--muted); }
.price-card .variacao-pill {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: .78rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 99px;
}
.variacao-up   { background: #fee2e2; color: var(--red); }
.variacao-down { background: #dcfce7; color: var(--green); }
.variacao-flat { background: #f1f5f9; color: var(--muted); }
.price-card .alvo-badge {
  font-size: .75rem;
  color: var(--yellow);
  font-weight: 600;
}
.price-card .alvo-atingido { color: var(--green) !important; }
.card-alerta { border-color: #fde68a !important; background: #fffbeb !important; }
.card-alerta::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #f59e0b, #fcd34d);
}
.card-inativo { opacity: .5; }

/* Gráfico */
.chart-wrap { background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px; padding: 1.5rem; }

/* Tabela de coletas */
.tabela-coletas { font-size: .88rem; }
.tabela-coletas th { font-weight: 600; color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }

/* Form */
.form-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px; padding: 2rem; }
.form-label { font-weight: 600; font-size: .88rem; }
.form-control, .form-select {
  border-color: var(--border);
  border-radius: 8px;
  font-size: .9rem;
}
.form-control:focus, .form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99,102,241,.15);
}
.sites-check .form-check { display: inline-block; margin-right: .6rem; }
.sites-check .form-check-input:checked { background-color: var(--accent); border-color: var(--accent); }

/* Screenshots */
.screenshot-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; }
.screenshot-grid img {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
  cursor: zoom-in;
  transition: transform .2s;
}
.screenshot-grid img:hover { transform: scale(1.02); }

/* Alertas */
.alertas-pre { background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; padding: 1.5rem; font-family: monospace; font-size: .85rem; white-space: pre-wrap; }

/* Botões */
.btn-accent  { background: var(--accent); color: #fff; border: none; border-radius: 8px; }
.btn-accent:hover { background: #4f46e5; color: #fff; }

/* Lightbox simples */
#lightbox { display:none; position:fixed; inset:0; background:rgba(0,0,0,.85); z-index:9999; align-items:center; justify-content:center; cursor:zoom-out; }
#lightbox img { max-width:90vw; max-height:90vh; border-radius:8px; }
#lightbox.show { display:flex; }

/* Section labels */
.section-label {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.section-label i { font-size: 1rem; }
.section-hint { font-weight: 400; text-transform: none; letter-spacing: 0; font-size:.78rem; }

/* Pesquisa card */
.pesquisa-card { border-left: 3px solid #e2e8f0; }
.card-monitorando { border-left-color: var(--accent) !important; }

/* Monitor card */
.monitor-card { border-left: 3px solid #10b981; }

/* Coletas mini */
.coletas-mini { border-top: 1px solid var(--border); padding-top: .6rem; }
.coleta-row { display: flex; align-items: center; gap: .4rem; padding: 2px 0; font-size: .82rem; }
.coleta-loja { flex: 1; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.coleta-preco { font-weight: 700; white-space: nowrap; }
.coleta-preco.com-desc { color: var(--green); }
.preco-riscado { text-decoration: line-through; color: var(--muted); font-weight: 400; font-size:.75rem; margin-left:3px; }
.coleta-link { color: var(--muted); font-size: .8rem; }
.coleta-link:hover { color: var(--accent); }

/* SJRP tag */
.sjrp-tag { font-size: .76rem; color: #7c3aed; background: #f5f3ff; border-radius: 6px; padding: 3px 8px; display: inline-block; }

/* Data badge */
.data-badge { font-size: .72rem; color: var(--muted); background: #f1f5f9; border-radius: 6px; padding: 2px 6px; }

/* Badge indigo */
.badge.bg-indigo { background: var(--accent) !important; }
.btn-outline-indigo { color: var(--accent); border-color: var(--accent); }
.btn-outline-indigo:hover { background: var(--accent); color: #fff; }

/* Card actions */
.card-actions .btn { border-radius: 7px; font-size: .82rem; }

/* Spinner */
.spin { display: inline-block; animation: spin 1.2s linear infinite; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* Empty state */
.empty-state { text-align: center; padding: 2.5rem 1rem; color: var(--muted); }
.empty-state i { font-size: 2.5rem; display: block; margin-bottom: .75rem; color: #cbd5e1; }
.empty-state p { margin-bottom: .25rem; }