:root {
            --primary-color: #2c3e50;
            --accent-color: #3498db;
            --bg-color: #f4f7f6;
            --text-dark: #333;
            --white: #ffffff;
        }


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

        body { 
            font-family: 'Inter', sans-serif; 
            background-color: var(--bg-color); 
            color: var(--text-dark);
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        
        .logo-area { display: flex; align-items: center; gap: 15px; }
        .logo-placeholder { 
            width: 45px; height: 45px; background: var(--accent-color); 
            border-radius: 8px; display: flex; align-items: center; justify-content: center;
            font-weight: bold; font-size: 1.2rem;
        }

        nav a { color: white; text-decoration: none; margin-left: 20px; font-size: 0.9rem; opacity: 0.8; }
        nav a:hover { opacity: 1; }

        /* --- CONTEÚDO PRINCIPAL --- */
        main { flex: 1; padding: 40px 5%; max-width: 1000px; margin: 0 auto; width: 100%; }

        .search-container {
            background: var(--white);
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            margin-bottom: 40px;
            text-align: center;
        }

        .search-container h2 { margin-bottom: 20px; color: var(--primary-color); }

        .form-group { display: flex; justify-content: center; gap: 10px; }

        input[type="text"] {
            padding: 12px 15px;
            width: 250px;
            border: 2px solid #ddd;
            border-radius: 6px;
            outline: none;
            transition: border-color 0.3s;
        }

        input[type="text"]:focus { border-color: var(--accent-color); }

        button {
            padding: 12px 25px;
            background: var(--accent-color);
            color: white;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }

        button:hover { background: #2980b9; }

        /* --- MURAL E CARDS --- */
        .welcome-msg { margin-bottom: 30px; border-left: 4px solid var(--accent-color); padding-left: 15px; }

        .mural { display: grid; grid-template-columns: 1fr; gap: 25px; }

        .card { 
            background: var(--white); 
            border-radius: 12px; 
            overflow: hidden; 
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            transition: transform 0.2s;
        }

        .card-header { 
            background: #f8f9fa; 
            padding: 15px 20px; 
            border-bottom: 1px solid #eee;
            font-size: 0.85rem;
            color: #666;
            display: flex;
            justify-content: space-between;
        }

        .card-body { padding: 20px; }
        .card-body p { font-size: 1.05rem; color: #444; margin-bottom: 15px; }
        
        .card-img { width: 100%; height: auto; border-radius: 8px; margin-bottom: 15px; }

        .card-footer { padding: 10px 20px; background: #fff; font-size: 0.75rem; color: #999; border-top: 1px dashed #eee; }

        /* --- FOOTER --- */
        footer {
            background: var(--primary-color);
            color: rgba(255,255,255,0.7);
            padding: 2rem 5%;
            text-align: center;
            font-size: 0.85rem;
            margin-top: 50px;
        }

        .footer-line { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 15px; padding-top: 15px; }

        @media (max-width: 600px) {
            .form-group { flex-direction: column; }
            input[type="text"] { width: 100%; }
        }