/* ============================================
   PainelAgro — Estilos globais
   ============================================ */

:root {
    --cor-fundo: #f4f6fa;
    --cor-fundo-gradiente: linear-gradient(180deg, #f4f6fa 0%, #eef2f7 100%);
    --cor-card: #ffffff;
    --cor-borda: #e2e8f0;
    --cor-borda-forte: #cbd5e1;
    --cor-texto: #0f172a;
    --cor-texto-suave: #64748b;
    --cor-texto-fraco: #94a3b8;

    --cor-primaria: #16a34a;
    --cor-primaria-escura: #15803d;
    --cor-primaria-clara: #dcfce7;

    --cor-alta: #15803d;
    --cor-alta-bg: #dcfce7;
    --cor-baixa: #b91c1c;
    --cor-baixa-bg: #fee2e2;
    --cor-neutra: #64748b;
    --cor-neutra-bg: #f1f5f9;

    --sombra-card: 0 1px 3px rgba(15, 23, 42, 0.04),
                   0 4px 12px rgba(15, 23, 42, 0.03);
    --sombra-card-hover: 0 4px 12px rgba(15, 23, 42, 0.08),
                         0 12px 28px rgba(15, 23, 42, 0.06);

    --raio: 14px;
    --raio-sm: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                 "Helvetica Neue", Arial, sans-serif;
    background: var(--cor-fundo-gradiente);
    background-attachment: fixed;
    color: var(--cor-texto);
    line-height: 1.6;
    padding: 2.5rem 1.25rem 4rem;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
}

/* ============================================
   Header
   ============================================ */
.header {
    text-align: center;
    margin-bottom: 2.5rem;
    padding: 2rem 1rem 0;
}

.header h1 {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #15803d 0%, #16a34a 50%, #22c55e 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.header .subtitulo {
    color: var(--cor-texto-suave);
    font-size: 1rem;
    font-weight: 500;
}

.header .atualizado {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 0.4rem 0.95rem;
    background: var(--cor-primaria-clara);
    color: var(--cor-primaria-escura);
    border: 1px solid #bbf7d0;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
}

.header .atualizado::before {
    content: "";
    width: 8px;
    height: 8px;
    background: var(--cor-primaria);
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.2);
    animation: pulsar 2s ease-in-out infinite;
}

@keyframes pulsar {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.4; }
}

/* ============================================
   Grid e Cards de cotação
   ============================================ */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.1rem;
    margin-bottom: 2rem;
}

.card {
    position: relative;
    background: var(--cor-card);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio);
    padding: 1.4rem 1.4rem 1.25rem;
    box-shadow: var(--sombra-card);
    transition: transform 0.2s ease, box-shadow 0.2s ease,
                border-color 0.2s ease;
    overflow: hidden;
}

.card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--cor-borda);
    transition: background 0.2s ease;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--sombra-card-hover);
    border-color: var(--cor-borda-forte);
}

.card:hover::before {
    background: linear-gradient(90deg, var(--cor-primaria), #4ade80);
}

.card .rotulo {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--cor-texto-suave);
    font-weight: 700;
    margin-bottom: 0.6rem;
}

.card .valor {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--cor-texto);
    line-height: 1.15;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
}

.card .meta {
    margin-top: 0.75rem;
    font-size: 0.78rem;
    color: var(--cor-texto-suave);
}

/* Destaque sutil por tipo de fonte (via borda superior) */
.card[data-fonte^="cepea"]::before { background: linear-gradient(90deg, #16a34a, #4ade80); }
.card[data-fonte^="ice"]::before   { background: linear-gradient(90deg, #2563eb, #60a5fa); }
.card[data-fonte="usd_brl"]::before { background: linear-gradient(90deg, #d97706, #fbbf24); }

/* ============================================
   Variação
   ============================================ */
.variacao {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    margin-top: 0.75rem;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 0.22rem 0.6rem;
    border-radius: var(--raio-sm);
    font-variant-numeric: tabular-nums;
}

.variacao.alta  { color: var(--cor-alta);  background: var(--cor-alta-bg);  }
.variacao.baixa { color: var(--cor-baixa); background: var(--cor-baixa-bg); }
.variacao.neutra{ color: var(--cor-neutra);background: var(--cor-neutra-bg);}

/* Falha na coleta */
.card .erro {
    margin-top: 0.6rem;
    font-size: 0.78rem;
    color: var(--cor-baixa);
    background: var(--cor-baixa-bg);
    padding: 0.4rem 0.6rem;
    border-radius: var(--raio-sm);
    border-left: 3px solid var(--cor-baixa);
}

/* ============================================
   Aviso
   ============================================ */
.aviso {
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-left: 4px solid #f59e0b;
    color: #92400e;
    padding: 0.9rem 1.1rem;
    border-radius: var(--raio-sm);
    font-size: 0.86rem;
    margin-bottom: 2rem;
    line-height: 1.5;
}

/* ============================================
   Seção de Notícias
   ============================================ */
.secao-noticias { margin-top: 3rem; }

.secao-noticias h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--cor-texto);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: -0.01em;
}

.noticias-lista {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.noticia-card {
    background: var(--cor-card);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio);
    padding: 1.1rem 1.3rem;
    box-shadow: var(--sombra-card);
    transition: transform 0.15s ease, box-shadow 0.15s ease,
                border-color 0.15s ease;
}

.noticia-card:hover {
    transform: translateY(-1px);
    box-shadow: var(--sombra-card-hover);
    border-color: var(--cor-borda-forte);
}

.noticia-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    flex-wrap: wrap;
}

.noticia-titulo {
    font-weight: 600;
    color: var(--cor-texto);
    text-decoration: none;
    font-size: 1rem;
    flex: 1;
    line-height: 1.4;
    transition: color 0.15s ease;
}

.noticia-titulo:hover { color: var(--cor-primaria-escura); }

.noticia-data {
    font-size: 0.75rem;
    color: var(--cor-texto-fraco);
    white-space: nowrap;
    font-weight: 500;
}

.noticia-resumo {
    margin-top: 0.55rem;
    font-size: 0.88rem;
    color: var(--cor-texto-suave);
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.noticia-link {
    display: inline-block;
    margin-top: 0.6rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--cor-primaria);
    text-decoration: none;
    transition: gap 0.15s ease;
}

.noticia-link:hover { color: var(--cor-primaria-escura); }

/* ============================================
   Paginação
   ============================================ */
.paginacao {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.4rem;
    margin-top: 1.75rem;
    flex-wrap: wrap;
}

.paginacao a,
.paginacao span.pagina-atual {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 0.7rem;
    border-radius: var(--raio-sm);
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid var(--cor-borda);
    background: var(--cor-card);
    color: var(--cor-texto);
    transition: all 0.15s ease;
    font-variant-numeric: tabular-nums;
}

.paginacao a:hover {
    border-color: var(--cor-primaria);
    color: var(--cor-primaria-escura);
    transform: translateY(-1px);
}

.paginacao span.pagina-atual {
    background: var(--cor-primaria);
    border-color: var(--cor-primaria);
    color: #fff;
    cursor: default;
}

.paginacao .info {
    font-size: 0.82rem;
    color: var(--cor-texto-suave);
    margin: 0 0.6rem;
    font-weight: 500;
}

/* ============================================
   Rodapé
   ============================================ */
.rodape {
    text-align: center;
    font-size: 0.78rem;
    color: var(--cor-texto-suave);
    margin-top: 3.5rem;
    padding-top: 1.75rem;
    border-top: 1px solid var(--cor-borda);
    line-height: 1.7;
}

.rodape a {
    color: var(--cor-primaria);
    text-decoration: none;
    font-weight: 500;
}

.rodape a:hover { text-decoration: underline; }

/* ============================================
   Responsividade
   ============================================ */
@media (max-width: 640px) {
    body { padding: 1.5rem 1rem 3rem; }
    .header h1 { font-size: 1.75rem; }
    .card .valor { font-size: 1.5rem; }
    .grid { grid-template-columns: 1fr; }
    .noticia-header { flex-direction: column; align-items: flex-start; gap: 0.3rem; }
}
/* ===== TOPBAR ===== */
.topbar {
    background: #ffffff;
    border-bottom: 1px solid var(--cor-borda);
    padding: 0.8rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}
.topbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.topbar .logo img {
    height: 40px;
    width: auto;
}
.topnav {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.user-greeting {
    font-size: 0.9rem;
    color: var(--cor-texto-suave);
    font-weight: 500;
}
.btn-nav {
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.2s;
}
.btn-primary {
    background: var(--cor-primaria);
    color: white;
}
.btn-primary:hover {
    background: #276749;
}
.btn-danger {
    color: var(--cor-baixa);
    background: #fde8e8;
}
.btn-danger:hover {
    background: #fecaca;
}

/* ===== PAINEL / GRÁFICOS ===== */
.painel-container {
    padding: 3rem 0;
}
.filter-bar {
    background: white;
    padding: 1.5rem;
    border-radius: var(--raio);
    border: 1px solid var(--cor-borda);
    margin-bottom: 2rem;
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}
.filter-bar select, .filter-bar input {
    padding: 0.6rem 1rem;
    border: 1px solid var(--cor-borda);
    border-radius: 8px;
    font-size: 0.9rem;
    font-family: inherit;
}
.btn-filter {
    background: var(--cor-primaria);
    color: white;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
}
.chart-box {
    background: white;
    padding: 2rem;
    border-radius: var(--raio);
    border: 1px solid var(--cor-borda);
    box-shadow: var(--sombra-card);
    margin-bottom: 2rem;
}
.chart-box h2 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--cor-texto);
}
.form-row {
    margin-bottom: 1rem;
}
.form-row label {
    display: block;
    font-size: 0.85rem;
    color: var(--cor-texto-suave);
    margin-bottom: 0.3rem;
}
.form-row input {
    width: 100%;
    padding: 0.7rem;
    border: 1px solid var(--cor-borda);
    border-radius: 8px;
}