/* ========================================================= */
/* VARIÁVEIS E RESET */
/* ========================================================= */
:root { 
    --wine-main: #630d0d; 
    --wine-dark: #2c0808; 
    --gold: #c5a028; 
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background: #fafafa; color: #333; }

/* ========================================================= */
/* HEADER E NAVEGAÇÃO */
/* ========================================================= */
header { display: flex; justify-content: space-between; align-items: center; padding: 20px 50px; background: white; box-shadow: 0 2px 10px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 100; }
header a { text-decoration: none; color: #333; margin-left: 20px; font-weight: bold; transition: 0.3s; }
header a:hover { color: var(--wine-main); }
.badge { background: var(--wine-main); color: white; padding: 2px 6px; border-radius: 50%; font-size: 0.8rem; vertical-align: top; }

/* ========================================================= */
/* ESTRUTURA E GRID DE VINHOS */
/* ========================================================= */
.container { max-width: 1200px; margin: 0 auto; padding: 20px; }
.wine-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 25px; margin-top: 20px; }
.wine-card { background: white; border-radius: 12px; padding: 20px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); transition: transform 0.3s; border: 1px solid #eee; }
.wine-card:hover { transform: translateY(-5px); box-shadow: 0 8px 25px rgba(0,0,0,0.1); }
.wine-tag { background: var(--gold); color: #fff; padding: 3px 10px; border-radius: 15px; font-size: 0.8rem; font-weight: bold; display: inline-block; margin-bottom: 10px; }

/* ========================================================= */
/* BOTÕES E FORMS */
/* ========================================================= */
.btn-buy { background: linear-gradient(135deg, var(--wine-main), var(--wine-dark)); color: white; border: none; padding: 12px 20px; border-radius: 6px; cursor: pointer; text-decoration: none; font-weight: bold; transition: 0.3s; display: inline-block; text-align: center; }
.btn-buy:hover { opacity: 0.9; transform: scale(1.02); }
input, select, textarea { width: 100%; padding: 12px; margin-bottom: 15px; border: 1px solid #ccc; border-radius: 6px; font-family: inherit; }

/* ========================================================= */
/* FILTROS DINÂMICOS (Desktop e Mobile) */
/* ========================================================= */
.filter-wrapper { background: #fff; padding: 20px 0; border-bottom: 1px solid #eee; position: sticky; top: 70px; z-index: 90; }
.filter-group { display: flex; align-items: center; gap: 20px; }
.filter-label { font-weight: bold; color: var(--wine-dark); min-width: 80px; font-size: 0.9rem; }
.filter-options { display: flex; gap: 10px; }

/* Botão Estilizado */
.btn-filter {
    background: #f8f9fa; border: 1px solid #ddd; color: #555; padding: 6px 18px;
    border-radius: 20px; cursor: pointer; white-space: nowrap; font-size: 0.85rem;
    transition: all 0.2s ease;
}
.btn-filter:hover { border-color: var(--wine-main); color: var(--wine-main); }
.btn-filter.active { background: var(--wine-main); border-color: var(--wine-main); color: #fff; }

/* Responsividade Mobile (O Segredo do Swipe) */
@media (max-width: 768px) {
    .filter-group { flex-direction: column; align-items: flex-start; gap: 10px; }
    .scroll-mobile {
        width: 100vw; overflow-x: auto; padding-right: 20px;
        -webkit-overflow-scrolling: touch; scrollbar-width: none;
    }
    .scroll-mobile::-webkit-scrollbar { display: none; }
    .filter-wrapper { top: 60px; }
}

/* ========================================================= */
/* CHATBOT IA FLUTUANTE (Estilo Botão Circular - FAB) */
/* ========================================================= */
#chat-container {
    position: fixed; bottom: 30px; right: 30px;
    background: white; z-index: 2000;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    overflow: hidden;
    /* Transição suave para crescer e diminuir */
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ESTADO MINIMIZADO (O Círculo) */
#chat-container.chat-minimized {
    width: 60px; height: 60px; border-radius: 50%;
    cursor: pointer; background: var(--wine-main);
    display: flex; justify-content: center; align-items: center;
}
.chat-minimized .header-content, 
.chat-minimized .chat-close-icon,
.chat-minimized #chat-body { 
    display: none; /* Esconde tudo, menos o ícone principal */
}
.chat-main-icon {
    display: none; font-size: 1.8rem; color: var(--gold);
    animation: pulseChat 2s infinite;
}
.chat-minimized .chat-main-icon { display: block; } /* Só mostra no círculo */

/* ESTADO EXPANDIDO (A Janela) */
#chat-container.chat-expanded {
    width: 350px; height: 450px; border-radius: 15px;
}
.chat-header {
    background: linear-gradient(135deg, var(--wine-main), var(--wine-dark));
    color: white; padding: 15px; cursor: pointer; font-weight: bold;
    display: flex; justify-content: space-between; align-items: center;
}

/* CORPO E MENSAGENS */
#chat-body { display: flex; flex-direction: column; height: calc(100% - 55px); }
#chat-msgs { 
    flex: 1; padding: 20px; overflow-y: auto; background: #f4f7f6; 
    display: flex; flex-direction: column; gap: 15px; 
}

/* Balões de Conversa */
.msg-user { 
    align-self: flex-end; background: var(--wine-main); color: white; 
    padding: 10px 15px; border-radius: 15px 15px 0 15px; 
    max-width: 85%; font-size: 0.9rem; box-shadow: 2px 2px 5px rgba(0,0,0,0.1);
}
.msg-ia { 
    align-self: flex-start; background: white; color: #333; 
    padding: 10px 15px; border-radius: 15px 15px 15px 0; 
    max-width: 85%; font-size: 0.9rem; border-left: 3px solid var(--gold);
    box-shadow: 2px 2px 5px rgba(0,0,0,0.05);
}

/* BOTÕES DE SUGESTÃO RÁPIDA */
#chat-suggestions {
    display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; padding-bottom: 10px;
}
#chat-suggestions button {
    background: white; border: 1px solid var(--gold); color: var(--wine-dark);
    padding: 6px 12px; border-radius: 20px; cursor: pointer; font-size: 0.8rem;
    transition: 0.2s; font-weight: 500;
}
#chat-suggestions button:hover { background: var(--gold); color: white; }

/* RODAPÉ E INPUT */
.chat-footer { display: flex; padding: 15px; border-top: 1px solid #eee; background: white; align-items: center;}
.chat-footer input { 
    flex: 1; border: 1px solid #ddd; border-radius: 25px; padding: 10px 15px; outline: none;
}
#btn-send { 
    background: var(--wine-main); border: none; color: white; cursor: pointer; 
    width: 35px; height: 35px; border-radius: 50%; margin-left: 10px; 
    display: flex; justify-content: center; align-items: center; transition: 0.2s;
}
#btn-send:hover { transform: scale(1.1); }
.typing-indicator { font-style: italic; color: #888; padding: 10px; font-size: 0.85rem; }

@keyframes pulseChat { 0% { transform: scale(1); } 50% { transform: scale(1.1); } 100% { transform: scale(1); } }

/* Animação Skeleton Loading */
@keyframes pulse { 0% { opacity: 0.6; } 50% { opacity: 1; } 100% { opacity: 0.6; } }